/* ===== CSS Variables ===== */
:root {
  /* ── INK design tokens ── */
  --ink-pink: #ff5f9e;
  --ink-pink-soft: #ffe1ec;
  --ink-cyan: #28beef;
  --ink-cyan-soft: #d6f1fb;
  --ink-yellow: #f4cf3a;
  --ink-yellow-soft: #fdf3c2;
  --ink-mint: #5fd9a8;
  --ink-mint-soft: #d8f4e6;
  --ink-violet: #8e7cf7;
  --ink-muted: #8a847a;
  --ink-paper: #faf7f0;
  --ink-paper2: #f3efe5;
  --font-hand: 'Caveat', 'Nanum Pen Script', cursive;
  --font-mono-ink: 'JetBrains Mono', ui-monospace, monospace;

  /* ── Claude-style Coral Palette ── */
  --primary: #c96442;          /* Claude coral */
  --primary-dark: #a84f33;
  --primary-light: #dd8b6f;
  --secondary: #c9a84c;        /* gold accent (stocks) */
  --secondary-dark: #a07828;
  --secondary-light: #e8d4a0;
  --success: #3d9a70;
  --warning: #c8901a;
  --danger: #c0503c;
  --info: #4a7fb5;

  /* ── Light mode: Claude warm cream ── */
  --bg: #faf9f5;
  --surface: #ffffff;
  --surface2: #f0eee6;
  --border: #e6e3d8;
  --border-dark: #d1ccbc;

  /* ── Sidebar (light warm, Claude-like) ── */
  --sidebar-bg: #f5f3ec;
  --sidebar-text: #55514a;
  --sidebar-active: #c96442;
  --sidebar-hover: #ebe8df;
  --sidebar-width: 265px;

  /* ── Gold sidebar accent ── */
  --gold: #c9a84c;

  --text: #2a2621;
  --text-muted: #6e6a5e;
  --text-light: #9b968a;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --shadow: 0 2px 8px rgba(60,40,10,.08), 0 1px 3px rgba(60,40,10,.05);
  --shadow-md: 0 4px 20px rgba(60,40,10,.12), 0 1px 4px rgba(60,40,10,.07);
  --shadow-lg: 0 12px 40px rgba(60,40,10,.16), 0 2px 8px rgba(60,40,10,.09);

  --topbar-height: 56px;
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --bg: #0b1520;
  --surface: #111f30;
  --surface2: #172840;
  --border: #243a55;
  --border-dark: #30506e;
  --text: #e4eef8;
  --text-muted: #8aaac8;
  --text-light: #527090;
  --shadow: 0 2px 8px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.28);
  --shadow-md: 0 4px 20px rgba(0,0,0,.5), 0 1px 4px rgba(0,0,0,.32);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.62), 0 2px 8px rgba(0,0,0,.38);
  --ink-paper: #0d1a25;
  --ink-paper2: #111f2e;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="dark"] .modal-box { background: var(--surface); }

/* ── Badges ── */
[data-theme="dark"] .badge-easy   { background: rgba(10,158,116,.2);  color: #4ade80; }
[data-theme="dark"] .badge-medium { background: rgba(208,141,16,.2);  color: #fbbf24; }
[data-theme="dark"] .badge-hard   { background: rgba(214,56,72,.2);   color: #f87171; }
[data-theme="dark"] .badge-mc     { background: rgba(27,61,110,.35);  color: #93c5fd; }
[data-theme="dark"] .badge-sa     { background: rgba(27,61,110,.28);  color: #7cb8e8; }
[data-theme="dark"] .badge-essay  { background: rgba(157,23,77,.2);   color: #f9a8d4; }

/* ── File icons ── */
[data-theme="dark"] .file-icon-pdf { background: rgba(239,68,68,.15); color: #f87171; }
[data-theme="dark"] .file-icon-img { background: rgba(16,185,129,.15); color: #34d399; }
[data-theme="dark"] .file-icon-doc { background: rgba(59,130,246,.15); color: #60a5fa; }

/* ── File exclude / delete buttons ── */
[data-theme="dark"] .file-delete-btn:hover { background: rgba(214,56,72,.15); }
[data-theme="dark"] .file-exclude-btn { background: rgba(10,158,116,.15); border-color: rgba(10,158,116,.3); }
[data-theme="dark"] .file-exclude-btn:hover { background: rgba(10,158,116,.25); }
[data-theme="dark"] .file-exclude-btn.is-excluded { background: rgba(214,56,72,.15); border-color: rgba(214,56,72,.3); }
[data-theme="dark"] .file-exclude-btn.is-excluded:hover { background: rgba(214,56,72,.25); }

/* ── Exam correct / wrong ── */
[data-theme="dark"] .exam-options li.correct { background: rgba(10,158,116,.15); color: #34d399; border-color: rgba(10,158,116,.5); }
[data-theme="dark"] .exam-options li.wrong   { background: rgba(214,56,72,.15);  color: #f87171; border-color: rgba(214,56,72,.5); }

/* ── Practice options ── */
[data-theme="dark"] .prac-options li:hover    { background: rgba(27,61,110,.2); }
[data-theme="dark"] .prac-options li.selected { background: rgba(27,61,110,.25); }
[data-theme="dark"] .prac-options li.opt-correct { background: rgba(10,158,116,.15); border-color: rgba(10,158,116,.5); color: #4ade80; }
[data-theme="dark"] .prac-options li.opt-wrong   { background: rgba(214,56,72,.15);  border-color: rgba(214,56,72,.5);  color: #f87171; }

/* ── Practice / problem cards ── */
[data-theme="dark"] .practice-card.correct { background: rgba(10,158,116,.08); }
[data-theme="dark"] .practice-card.wrong   { background: rgba(214,56,72,.08); }
[data-theme="dark"] .problem-answer { background: rgba(10,158,116,.1); border-color: rgba(10,158,116,.3); }
[data-theme="dark"] .prac-answer    { background: rgba(10,158,116,.1); border-color: rgba(10,158,116,.3); }

/* ── Example cards (key content) ── */
[data-theme="dark"] .example-card { background: rgba(201,168,76,.06); border-color: rgba(201,168,76,.2); }
[data-theme="dark"] .example-card .ex-num { color: #fbbf24; }
[data-theme="dark"] .example-card .ex-solution { background: var(--surface2); border-color: rgba(201,168,76,.15); }

/* ── Key content code ── */
[data-theme="dark"] .key-content code { background: rgba(255,255,255,.08); color: var(--text); }

/* ── Calendar ── */
[data-theme="dark"] .hour-row:hover { background: rgba(27,61,110,.18); }

/* ── Notebook delete button ── */
[data-theme="dark"] .nb-delete-btn:hover { background: rgba(214,56,72,.15); }

/* ── Light (beige) mode overrides for bright-bg elements ── */
[data-theme="light"] .badge-mc     { background: #dde8f4; color: #0f2a50; }
[data-theme="light"] .badge-sa     { background: #d8e4f2; color: #1b3d6e; }
[data-theme="light"] .file-exclude-btn { background: #e6f5ef; border-color: #a8d8c0; }
[data-theme="light"] .file-exclude-btn:hover { background: #d4eddf; }
[data-theme="light"] .hour-row:hover { background: rgba(80,50,15,.06); }
[data-theme="light"] .tab-btn:hover { background: rgba(80,50,15,.06); }
[data-theme="light"] .prac-options li:hover { background: rgba(27,61,110,.06); }
[data-theme="light"] .prac-options li.selected { background: rgba(27,61,110,.09); }

/* ── Inner tab hover ── */
[data-theme="dark"] .inner-tab:hover { background: rgba(27,61,110,.12); }

/* ── Toast notifications ── */
[data-theme="dark"] .toast.success { background: rgba(10,158,116,.9); }
[data-theme="dark"] .toast.error   { background: rgba(214,56,72,.9); }
[data-theme="dark"] .toast.warning { background: rgba(208,141,16,.9); }
[data-theme="dark"] .toast.info    { background: rgba(27,61,110,.95); }

/* ── Dashboard todo list items ── */
[data-theme="dark"] .todo-item:hover { background: var(--surface2); }

/* ── Key summary gold block ── */
[data-theme="dark"] .key-summary { background: rgba(201,168,76,.06); }

/* ── Tab selected/hover ── */
[data-theme="dark"] .tab-btn:hover { background: rgba(27,61,110,.15); }

/* ── Theme toggle button ── */
.theme-toggle-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  color: var(--sidebar-text);
  font-size: 12.5px;
  font-weight: 500;
  margin-bottom: 10px;
  transition: background var(--transition), color var(--transition);
  border: 1px solid rgba(255,255,255,.08);
  cursor: pointer;
}
.theme-toggle-btn:hover { background: rgba(201,168,76,.18); color: #e8d4a0; }

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Noto Sans KR', sans-serif; background: var(--bg); color: var(--text); overflow: hidden; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Premium serif headings ── */
.page-title, .modal-title, .class-detail-title, .exam-title,
.notes-empty-title, .notebook-name, .dashboard-greeting {
  font-family: 'Noto Serif KR', 'Playfair Display', serif;
  letter-spacing: -.02em;
}
h1, h2, h3 { font-family: 'Noto Serif KR', serif; }

/* ===== App Layout ===== */
#app { display: flex; height: 100vh; overflow: hidden; }

/* ===== Sidebar — INK design ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--ink-paper2);
  color: var(--text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  transition: transform var(--transition);
  z-index: 200;
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

/* Mobile top bar (close btn) */
.ink-sb-top { display: none; justify-content: flex-end; padding: 12px 14px 0; }
.ink-sb-close-btn {
  border: none; background: transparent; font-size: 16px; color: var(--text-muted);
  cursor: pointer; padding: 4px 8px; border-radius: 6px;
}
.ink-sb-close-btn:hover { background: var(--surface2); }

/* Brand */
.ink-sb-brand { padding: 20px 18px 14px; display: flex; align-items: center; gap: 10px; }
.ink-sb-logo-icon {
  width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 17px; line-height: 1;
  flex-shrink: 0; padding-bottom: 1px;
}
.ink-sb-logo-text {
  font-family: 'Playfair Display', 'Noto Serif KR', serif;
  font-size: 18px; line-height: 1; color: var(--text);
}

/* Search bar */
.ink-sb-search {
  margin: 0 12px 6px; display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--border);
  transition: border-color .15s;
}
.ink-sb-search:focus-within { border-color: var(--ink-violet); }
.ink-sb-search svg { color: var(--text-muted); flex-shrink: 0; }
.ink-sb-search-text { flex: 1; font-size: 13px; color: var(--text-muted); }
.ink-sb-search-input {
  flex: 1; background: none; border: none; outline: none;
  font-size: 13px; color: var(--text); font-family: inherit;
}
.ink-sb-search-input::placeholder { color: var(--text-muted); }

/* Search results dropdown */
.ink-sb-results {
  margin: 0 12px 8px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.18);
  overflow: hidden; max-height: 300px; overflow-y: auto;
}
.ink-sb-results.hidden { display: none; }
.ink-sb-result-group {
  padding: 8px 12px 4px; font-size: 10px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.ink-sb-result-group:first-child { border-top: none; }
.ink-sb-result-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; font-size: 13px; color: var(--text);
  cursor: pointer; transition: background .1s;
}
.ink-sb-result-item:hover { background: var(--surface2); }
.ink-sb-result-dot { width: 10px; height: 12px; border-radius: 2px; flex-shrink: 0; }
.ink-sb-result-loading { padding: 12px; font-size: 12px; color: var(--text-muted); text-align: center; }
.ink-sb-result-empty { padding: 12px; font-size: 12px; color: var(--text-muted); text-align: center; }
.ink-sb-kbd {
  font-family: var(--font-mono-ink); font-size: 10px; color: var(--text-muted);
  background: var(--ink-paper2); padding: 1px 5px; border-radius: 3px;
  border: 1px solid var(--border);
}

/* Section labels */
.ink-sb-sec-label {
  padding: 8px 18px 4px; font-size: 10px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted);
}

/* Nav */
.sidebar-nav { padding: 0 0 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px; margin: 0 8px 2px; border-radius: 8px;
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.nav-item:hover { background: var(--sidebar-hover); color: var(--text); }
.nav-item.active { background: rgba(201,100,66,.12); color: var(--primary); font-weight: 600; }

/* Colored spine strip (INK notebook row style) */
.ink-sb-spine {
  width: 12px; height: 14px; border-radius: 2px; flex-shrink: 0;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.15);
}
.nav-item.active .ink-sb-spine { box-shadow: inset 0 -2px 0 rgba(0,0,0,0.28); }

.nav-icon { font-size: 15px; flex-shrink: 0; opacity: .65; }
.nav-item.active .nav-icon { opacity: 1; }

/* Class sub-items */
.class-nav-items { padding: 0; }
.class-nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 34px; margin: 0 8px 1px; border-radius: 7px;
  font-size: 12px; font-weight: 500; color: var(--text-muted);
  transition: background var(--transition), color var(--transition); cursor: pointer;
}
.class-nav-item:hover { background: var(--surface2); color: var(--text); }
.class-dot {
  width: 8px; height: 10px; border-radius: 2px; flex-shrink: 0;
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.15);
}

/* Footer */
.sidebar-footer { padding: 12px 14px 16px; border-top: 1px solid var(--border); }
.ink-sb-footer-row { display: flex; align-items: center; gap: 10px; }
.ink-sb-avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--ink-cyan);
  color: white; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ink-sb-footer-info { flex: 1; min-width: 0; }
.ink-sb-footer-name { font-size: 12.5px; font-weight: 600; color: var(--text); }
.ink-sb-sync-dot {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--ink-mint); margin-right: 4px; vertical-align: middle;
}
.ink-sb-theme-btn {
  border: none; background: transparent; cursor: pointer; font-size: 14px;
  color: var(--text-muted); padding: 4px 6px; border-radius: 6px; flex-shrink: 0;
}
.ink-sb-theme-btn:hover { background: var(--surface2); }
.app-version { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono-ink); }

/* Sidebar overlay */
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 199;
}

/* ===== Main Wrapper ===== */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ===== Topbar ===== */
.topbar {
  height: var(--topbar-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 100;
}

.hamburger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger-btn:hover { background: var(--bg); }
.hamburger-btn span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

.topbar-title { font-size: 16px; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

/* ===== Page Content ===== */
.page-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px;
  background: var(--bg);
  background-image: radial-gradient(circle at 80% 20%, rgba(27,61,110,.03) 0%, transparent 60%);
}

/* ===== Cards ===== */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px;
  border: 1px solid var(--border);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: .01em;
}
.btn-primary {
  background: linear-gradient(135deg, #1e4580 0%, #0f2a50 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(7,17,31,.2);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #254e90 0%, #142d58 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(27,61,110,.35);
}
.btn-secondary { background: var(--surface); color: var(--text); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--surface2); border-color: var(--border-dark); }
.btn-danger { background: var(--danger); color: white; box-shadow: 0 2px 6px rgba(214,56,72,.25); }
.btn-danger:hover { background: #c42d3c; transform: translateY(-1px); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #078a62; transform: translateY(-1px); }
.btn-sm { padding: 6px 13px; font-size: 12px; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }
.btn-icon:hover { background: var(--surface2); }

/* ===== Form Elements ===== */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-muted); }
.form-input {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition);
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27,61,110,.12); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}
.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(7,17,31,.22), 0 4px 16px rgba(7,17,31,.1);
  animation: modalIn .2s ease;
  border: 1px solid var(--border);
}
@keyframes modalIn { from { opacity:0; transform:scale(.95) translateY(10px); } to { opacity:1; transform:none; } }

.modal-title { font-size: 19px; font-weight: 700; margin-bottom: 22px; font-family: 'Noto Serif KR', serif; color: var(--primary); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ===== Confirm Dialog ===== */
.confirm-dialog { text-align: center; padding: 12px 0 4px; }
.confirm-icon-wrap {
  width: 68px; height: 68px; border-radius: 50%;
  background: rgba(220,38,38,.10);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
[data-theme="dark"] .confirm-icon-wrap { background: rgba(220,38,38,.18); }
.confirm-title { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; font-family: 'Noto Serif KR', serif; }
.confirm-subtext { font-size: 13px; color: var(--text-muted); line-height: 1.55; margin-bottom: 4px; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; margin-top: 26px; }
.confirm-actions .btn { min-width: 90px; }

.btn-danger {
  background: #dc2626; color: #fff; border: none;
  padding: 10px 22px; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; transition: background .15s;
}
.btn-danger:hover { background: #b91c1c; }
[data-theme="dark"] .btn-danger { background: #ef4444; }
[data-theme="dark"] .btn-danger:hover { background: #dc2626; }

/* ===== Cover Design Picker ===== */
.cover-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 6px;
}
.cover-option {
  width: 100%; aspect-ratio: 3/4; border-radius: 10px; cursor: pointer;
  border: 3px solid transparent; transition: border-color .15s, transform .15s;
  position: relative; overflow: hidden;
}
.cover-option:hover { transform: translateY(-2px); border-color: var(--primary); }
.cover-option.selected { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary); }
.cover-option .cover-letter {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: rgba(255,255,255,.9);
  font-family: 'Noto Serif KR', serif; text-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.cover-deco {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(255,255,255,.22) 0%, transparent 40%),
    linear-gradient(to right, rgba(255,255,255,.12) 0 8%, transparent 8%);
}

/* ===== Toast ===== */
.toast-container { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 2000; }
.toast {
  background: var(--text);
  color: white;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: toastIn .25s ease;
  max-width: 320px;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: var(--text); }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:none; } }

/* ===== Dashboard ===== */
.dashboard-greeting { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.dashboard-date { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 28px; font-weight: 700; font-family: 'Noto Serif KR', serif; }
.stat-card.primary .stat-value { color: var(--primary); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }

.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; }

.todo-item { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.todo-item:last-child { border-bottom: none; }
.todo-check { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border-dark); cursor: pointer; flex-shrink: 0; margin-top: 2px; transition: all var(--transition); }
.todo-check.done { background: var(--success); border-color: var(--success); }
.todo-title { font-size: 14px; font-weight: 500; }
.todo-title.done { text-decoration: line-through; color: var(--text-muted); }
.todo-due { font-size: 12px; color: var(--text-muted); }
.todo-due.overdue { color: var(--danger); }

.event-item { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.event-item:last-child { border-bottom: none; }
.event-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.event-title { font-size: 14px; font-weight: 500; }
.event-time { font-size: 12px; color: var(--text-muted); }

.empty-state { text-align: center; padding: 32px; color: var(--text-muted); font-size: 14px; }

/* ===== Classes ===== */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; }

.class-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.class-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
}
.class-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.class-card-banner { height: 80px; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; color: rgba(255,255,255,.8); }
.class-card-body { padding: 14px 16px; }
.class-card-name { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.class-card-meta { font-size: 12px; color: var(--text-muted); }
.class-card-actions { display: flex; gap: 6px; padding: 0 12px 12px; }

/* Class detail */
.class-detail-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 26px;
  padding: 22px 24px;
  background: linear-gradient(135deg, var(--surface) 60%, #e8eef8 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.class-color-badge { width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0; }
.class-detail-title { font-size: 20px; font-weight: 700; }

/* ===== Split-screen layout ===== */
.class-split-layout { display: flex; gap: 0; }
.class-main-col { flex: 1; min-width: 0; }

/* page-content enters split-mode when note panel opens */
.page-content.split-mode {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.page-content.split-mode .class-split-layout {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.page-content.split-mode .class-main-col {
  overflow-y: auto;
  padding: 28px;
}

.class-note-panel {
  width: 0; overflow: hidden;
  border-left: none;
  transition: width .25s ease;
  display: flex; flex-direction: column;
  background: var(--surface);
  flex-shrink: 0;
}
.class-note-panel.open {
  width: 360px;
  border-left: 1px solid var(--border);
}
@media (max-width: 900px) {
  .class-note-panel.open { width: 280px; }
}
@media (max-width: 640px) {
  .page-content.split-mode .class-split-layout { flex-direction: column; }
  .class-note-panel.open { width: 100%; border-left: none; border-top: 1px solid var(--border); }
}

.cnp-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  background: var(--surface2); flex-shrink: 0;
}
.cnp-title { font-weight: 700; font-size: 14px; color: var(--text); }
.cnp-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 16px; padding: 2px 6px; border-radius: 4px;
}
.cnp-close:hover { background: var(--border); color: var(--text); }
.cnp-body { flex: 1; overflow-y: auto; padding: 16px; }
.cnp-section-label {
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px;
}
.cnp-nb-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); margin-bottom: 8px;
  background: var(--surface2);
}
.cnp-nb-dot { width: 26px; height: 26px; border-radius: 6px; flex-shrink: 0; }
.cnp-nb-name { flex: 1; font-size: 13px; font-weight: 600; color: var(--text); }
.cnp-open-btn { flex-shrink: 0; }
.cnp-empty { font-size: 13px; color: var(--text-muted); line-height: 1.6; text-align: center; padding: 12px 0; }
.cnp-memo {
  width: 100%; min-height: 180px; resize: vertical;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  padding: 10px 12px; font-size: 13px; line-height: 1.6;
  font-family: 'Noto Sans KR', sans-serif;
  box-sizing: border-box;
}
.cnp-memo:focus { outline: none; border-color: var(--primary); }

/* Notebook class badge */
.nb-class-badge {
  display: inline-block; font-size: 10px; font-weight: 600; color: #fff;
  padding: 2px 8px; border-radius: 20px;
  letter-spacing: .02em; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 100%;
}
.nb-class-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; flex-wrap: wrap; }
.nb-class-open-btn {
  font-size: 10px; font-weight: 600; color: var(--primary);
  background: none; border: none; cursor: pointer; padding: 0;
  white-space: nowrap; opacity: .8;
}
.nb-class-open-btn:hover { opacity: 1; text-decoration: underline; }

/* ===== Class popup overlay ===== */
.class-popup-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.class-popup-overlay.hidden { display: none; }
.class-popup-box {
  background: var(--bg);
  border-radius: var(--radius);
  width: 100%; max-width: 960px;
  height: 88vh;
  display: flex; flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
  overflow: hidden;
}
.class-popup-content {
  flex: 1; overflow-y: auto;
  padding: 28px;
}

/* Active split button */
#split-note-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
  width: 100%;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 20px;
  border-radius: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all .18s;
  white-space: nowrap;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -2px;
  background: none;
  letter-spacing: .01em;
}
.tab-btn:hover {
  color: var(--primary);
  background: rgba(27,61,110,.04);
}
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--gold);
  background: rgba(27,61,110,.03);
  font-weight: 700;
}
.tab-btn.active svg { stroke: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── PDF upload zone ── */
.pdf-upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pdf-upload-zone:hover {
  border-color: var(--primary);
  background: rgba(27,61,110,.03);
}

/* ── File management ── */
.files-section { margin-bottom: 28px; }
.files-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.files-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.files-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.files-empty {
  text-align: center;
  padding: 28px;
  color: var(--text-muted);
  font-size: 13px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
}
.files-list { display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .15s;
}
.file-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 2px 8px rgba(27,61,110,.08);
}
.file-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; letter-spacing: -.02em;
  flex-shrink: 0;
}
.file-icon-pdf { background: #fef2f2; color: #ef4444; }
.file-icon-img { background: #f0fdf4; color: #10b981; }
.file-icon-doc { background: #eff6ff; color: #3b82f6; }
.file-info { flex: 1; min-width: 0; }
.file-name {
  font-size: 13px; font-weight: 500;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.file-meta { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.file-delete-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all .12s;
  flex-shrink: 0;
}
.file-delete-btn:hover { background: #fef2f2; color: var(--danger); }

/* File exclude toggle */
.file-exclude-btn {
  height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
  padding: 0 10px;
  cursor: pointer;
  transition: all .15s;
  color: var(--success);
  white-space: nowrap;
  flex-shrink: 0;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}
.file-exclude-btn:hover { background: #d1fae5; }
.file-exclude-btn.is-excluded {
  color: var(--danger);
  background: #fef2f2;
  border-color: #fecaca;
}
.file-exclude-btn.is-excluded:hover { background: #fee2e2; }

/* Excluded file visual */
.file-item.excluded {
  opacity: 0.5;
  background: var(--surface2);
}
.file-item.excluded .file-name {
  text-decoration: line-through;
  color: var(--text-muted);
}
.files-chapter-group { margin-bottom: 16px; }
.files-chapter-group:last-child { margin-bottom: 0; }
.files-chapter-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
  padding: 0 2px;
}

.chapter-item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
}
.chapter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  transition: background var(--transition);
  user-select: none;
}
.chapter-header:hover { background: var(--bg); }
.chapter-title { font-size: 14px; font-weight: 600; }
.chapter-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.chapter-toggle { color: var(--text-muted); transition: transform var(--transition); font-size: 12px; }
.chapter-toggle.open { transform: rotate(180deg); }
.chapter-body { border-top: 1px solid var(--border); display: none; padding: 16px; }
.chapter-body.open { display: block; }
.chapter-summary { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }

/* ===== Major Group (대단원 > 소단원 hierarchy) ===== */
.major-group {
  margin-bottom: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.major-group-hdr {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--surface2);
  cursor: pointer; user-select: none;
  transition: background var(--transition);
}
.major-group-hdr:hover { background: var(--border); }
.major-group-badge {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; flex-shrink: 0;
  font-family: 'Noto Serif KR', serif;
}
.major-group-title { font-size: 14px; font-weight: 700; color: var(--text); font-family: 'Noto Serif KR', serif; }
.major-group-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.major-toggle {
  color: var(--text-muted); transition: transform var(--transition);
  font-size: 12px; margin-left: auto; flex-shrink: 0;
}
.major-toggle.open { transform: rotate(180deg); }
.major-group-body {
  display: none;
  background: var(--bg);
  padding: 10px 12px 10px 40px;
  border-top: 1px solid var(--border);
  position: relative;
}
.major-group-body::before {
  content: ''; position: absolute;
  top: 14px; bottom: 14px; left: 23px;
  width: 2px; background: var(--border-dark); border-radius: 2px;
}
.major-group-body.open { display: block; }
.major-group-body .chapter-item { margin-bottom: 8px; }
.major-group-body .chapter-item:last-child { margin-bottom: 0; }

/* Exam selector groups */
.selector-group { margin-bottom: 14px; }
.selector-group-label {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .05em;
  padding: 4px 2px 7px; border-bottom: 1px solid var(--border); margin-bottom: 5px;
}
.chapter-check-item.sub { padding-left: 18px; margin-left: 4px; border-left: 2px solid var(--border); }
.sel-group-btns { display: flex; gap: 4px; flex-shrink: 0; }
.sel-btn {
  font-size: 11px; padding: 2px 7px; border-radius: 4px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-muted); cursor: pointer; white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.sel-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.problem-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 10px;
}
.problem-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-easy { background: #d1fae5; color: #065f46; }
.badge-medium { background: #fef3c7; color: #92400e; }
.badge-hard { background: #fee2e2; color: #991b1b; }
.badge-mc { background: #e0eaf8; color: #0f2a50; }
.badge-sa { background: #dbe8f8; color: #1b3d6e; }
.badge-essay { background: #fce7f3; color: #9d174d; }
.star-btn { margin-left: auto; font-size: 16px; color: var(--text-light); cursor: pointer; background: none; border: none; }
.star-btn.starred { color: var(--warning); }
.problem-question { font-size: 14px; font-weight: 500; line-height: 1.6; margin-bottom: 8px; }
.problem-options { list-style: none; margin: 8px 0; }
.problem-options li { padding: 4px 0; font-size: 13px; color: var(--text-muted); }
.problem-options li::before { content: "① ② ③ ④"; }
.problem-answer-toggle { font-size: 12px; color: var(--primary); cursor: pointer; user-select: none; }
.problem-answer { display: none; margin-top: 8px; padding: 10px; background: #f0fdf4; border-radius: var(--radius-sm); border: 1px solid #bbf7d0; font-size: 13px; }
.problem-answer.show { display: block; }

/* ===== Task Progress Panel ===== */
.task-panel {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 340px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,.22), 0 2px 8px rgba(0,0,0,.1);
  z-index: 800;
  overflow: hidden;
  border: 1px solid var(--border);
  animation: slideUp .3s cubic-bezier(.4,0,.2,1);
}
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:none; } }

.task-panel-header {
  background: var(--sidebar-bg);
  color: white;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.task-panel-spinner {
  width: 14px;
  height: 14px;
  border: 2.5px solid rgba(255,255,255,.25);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  flex-shrink: 0;
}

.task-toggle-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
}
.task-toggle-btn:hover { color: white; }

.task-badge {
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.task-list {
  max-height: 360px;
  overflow-y: auto;
}

.task-item {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
}
.task-item:last-child { border-bottom: none; }

.task-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 5px;
}

.task-filename {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.task-status-chip {
  font-size: 10px;
  font-weight: 600;
  background: rgba(27,61,110,.1);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}

.task-dismiss-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  font-size: 12px;
  padding: 0 2px;
  flex-shrink: 0;
}
.task-dismiss-btn:hover { color: var(--danger); }

.task-cancel-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  flex-shrink: 0;
  transition: background .12s, color .12s, border-color .12s;
}
.task-cancel-btn:hover { background: rgba(239,68,68,.08); color: var(--danger); border-color: var(--danger); }

.task-step {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 7px;
  line-height: 1.5;
  min-height: 16px;
}
.task-step-error { color: var(--danger) !important; }

.task-bar-track {
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 5px;
}
.task-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .7s cubic-bezier(.4,0,.2,1);
}
.task-bar-active {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.task-bar-done  { background: var(--success); }
.task-bar-fail  { background: var(--danger); }

@keyframes barPulse { 0%,100%{opacity:1} 50%{opacity:.65} }
.task-bar-pulse { animation: barPulse 1.8s ease-in-out infinite; }

.task-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.task-pct { font-size: 11px; font-weight: 700; color: var(--primary); }
.task-chapters { font-size: 11px; color: var(--text-muted); }

/* Inline upload progress in class detail */
.upload-progress-box {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface2);
}
.upload-progress-box .upload-filename { font-size: 13px; font-weight: 600; margin-bottom: 10px; }
.upload-progress-box .upload-phase { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* Color picker */
.color-picker-row { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all var(--transition);
}
.color-swatch.selected { border-color: var(--text); transform: scale(1.15); }

/* Exam view */
.exam-container { max-width: 800px; margin: 0 auto; }
.exam-header { text-align: center; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 2px solid var(--border-dark); }
.exam-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.exam-meta { font-size: 13px; color: var(--text-muted); }
.exam-question { margin-bottom: 28px; }
.exam-q-num { font-size: 12px; color: var(--text-muted); font-weight: 600; margin-bottom: 6px; }
.exam-q-text { font-size: 15px; font-weight: 500; line-height: 1.7; margin-bottom: 10px; }
.exam-options { list-style: none; }
.exam-options li {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.exam-options li:hover { border-color: var(--primary); background: rgba(27,61,110,.04); }
.exam-options li.selected { border-color: var(--primary); background: rgba(27,61,110,.08); color: var(--primary); }
.exam-options li.correct { border-color: var(--success); background: #f0fdf4; color: var(--success); }
.exam-options li.wrong { border-color: var(--danger); background: #fef2f2; color: var(--danger); }
.exam-answer-box { border-left: 3px solid var(--primary); padding: 10px 14px; margin-top: 10px; background: var(--surface2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 13px; display: none; }
.exam-answer-box.show { display: block; }
.exam-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.chapter-selector { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.chapter-check-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); }
.chapter-check-item:hover { border-color: var(--primary); }
.chapter-check-item input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--primary); }

/* ===== Notes ===== */
.notes-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; gap: 16px; }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.notes-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 72px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.notes-empty-icon { font-size: 60px; line-height: 1; }
.notes-empty-title { font-size: 20px; font-weight: 700; color: var(--text); }
.notes-empty-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 4px; }

.notebook-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 18px; }

.notebook-card {
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(7,17,31,.09), 0 1px 4px rgba(7,17,31,.05);
  transition: transform .22s ease, box-shadow .22s ease;
  background: var(--surface);
  border: 1px solid var(--border);
  user-select: none;
}
.notebook-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(7,17,31,.15), 0 2px 8px rgba(7,17,31,.08);
}
.notebook-card:hover .nb-delete-btn { opacity: 1; }
.notebook-card:hover .nb-edit-btn { opacity: 1; }

.notebook-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.notebook-cover::before {
  content: '';
  position: absolute;
  top: -32px; right: -32px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
}
.notebook-cover::after {
  content: '';
  position: absolute;
  bottom: -20px; left: -20px;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(0,0,0,.08);
}
.nb-cover-initial {
  font-size: 54px;
  font-weight: 700;
  color: rgba(255,255,255,.92);
  text-shadow: 0 3px 20px rgba(0,0,0,.25);
  z-index: 1;
  letter-spacing: -1px;
  line-height: 1;
  font-family: 'Playfair Display', 'Noto Serif KR', serif;
}
.nb-cover-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90px; height: 90px;
  border-radius: 50%;
  border: 20px solid rgba(255,255,255,.1);
  z-index: 0;
}

.notebook-info { padding: 14px 14px 12px; }
.notebook-name {
  font-size: 14px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: var(--text); margin-bottom: 9px;
  font-family: 'Noto Serif KR', serif;
  letter-spacing: -.01em;
}
.notebook-footer { display: flex; align-items: center; justify-content: space-between; }
.notebook-date { font-size: 11px; color: var(--text-light); font-weight: 500; }
.nb-delete-btn {
  opacity: 0;
  font-size: 11px; font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--danger);
  transition: opacity .15s, background .15s;
}
.nb-delete-btn:hover { background: #fee2e2; }

.nb-edit-btn {
  opacity: 0;
  font-size: 11px; font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--primary);
  transition: opacity .15s, background .15s;
}
.nb-edit-btn:hover { background: #e8eef8; }
.notebook-card:hover .nb-edit-btn { opacity: 1; }

/* ===== Canvas Editor ===== */
.canvas-editor {
  position: fixed; inset: 0;
  background: var(--surface2, #ede9d8);
  z-index: 500;
  display: flex; flex-direction: column;
}

/* ── Toolbar ── */
.canvas-toolbar {
  height: 56px;
  background: var(--surface, #fffef8);
  border-bottom: 1.5px solid var(--border, #ddd6be);
  box-shadow: var(--shadow, 0 2px 8px rgba(60,40,10,.08));
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px;
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.canvas-toolbar::-webkit-scrollbar { display: none; }

/* Back button + title */
.tb-back-btn {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm, 10px);
  background: transparent;
  border: 1.5px solid var(--border, #ddd6be);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted, #6b5c3e);
  transition: all .15s;
  flex-shrink: 0;
}
.tb-back-btn:hover { background: var(--surface2, #ede9d8); color: var(--text, #1e1608); }

.tb-title {
  font-size: 13px; font-weight: 700;
  color: var(--text, #1e1608);
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden; text-overflow: ellipsis;
  margin: 0 4px 0 2px;
  flex-shrink: 0;
}

.tb-divider { width: 1px; height: 20px; background: var(--border, #ddd6be); margin: 0 3px; flex-shrink: 0; }

/* Tool groups */
.tb-group {
  display: flex;
  align-items: center;
  background: var(--surface2, #ede9d8);
  border: 1.5px solid var(--border, #ddd6be);
  border-radius: var(--radius-sm, 10px);
  padding: 3px;
  gap: 1px;
  flex-shrink: 0;
}
.tb-color-group { gap: 6px; padding: 5px 10px; }
.tb-export-group { background: rgba(27,61,110,.06); border-color: rgba(27,61,110,.18); }

/* Tool buttons */
.tool-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted, #6b5c3e);
  transition: background .12s, color .12s, box-shadow .12s;
  flex-shrink: 0;
}
.tool-btn:hover { background: var(--border, #ddd6be); color: var(--text, #1e1608); }
.tool-btn.active {
  background: linear-gradient(135deg, #1b3d6e 0%, #0f2a50 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(27,61,110,.35);
}
.tb-export-btn { color: var(--primary, #1b3d6e); }
.tb-export-btn:hover { background: rgba(27,61,110,.1); color: var(--primary-dark, #0f2a50); }

/* ── Split pen button ── */
.tb-split {
  display: flex;
  align-items: center;
  border-radius: 8px;
  overflow: hidden;
}
.tb-split .ts-main {
  width: 30px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted, #6b5c3e);
  border-radius: 8px 0 0 8px;
  transition: background .12s, color .12s;
}
.tb-split .ts-caret {
  width: 15px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light, #9e8a68);
  border-left: 1.5px solid var(--border, #ddd6be);
  border-radius: 0 8px 8px 0;
  transition: background .12s, color .12s;
  flex-shrink: 0;
}
.tb-split:hover .ts-main { background: var(--border, #ddd6be); color: var(--text, #1e1608); }
.tb-split:hover .ts-caret { background: var(--surface2, #ede9d8); color: var(--text-muted, #6b5c3e); }
.tb-split.active .ts-main {
  background: linear-gradient(135deg, #1b3d6e 0%, #0f2a50 100%);
  color: #fff;
  box-shadow: 0 2px 6px rgba(27,61,110,.35);
}
.tb-split.active .ts-caret {
  background: rgba(27,61,110,.75);
  color: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.15);
}
.tb-split.active .ts-caret:hover { background: var(--primary-dark, #0f2a50); color: #fff; }

/* ── Pen type picker popup ── */
.pen-type-picker {
  position: fixed;
  top: 64px;
  left: 130px;
  background: var(--surface, #fffef8);
  border: 1.5px solid var(--border, #ddd6be);
  border-radius: var(--radius, 14px);
  padding: 8px;
  box-shadow: var(--shadow-lg, 0 12px 40px rgba(60,40,10,.16));
  z-index: 601;
  min-width: 210px;
  display: none;
}
.pen-type-picker.open { display: block; animation: ptpFadeIn .15s ease; }
@keyframes ptpFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ptp-title {
  font-size: 10px; font-weight: 700;
  color: var(--text-light, #9e8a68);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 10px 6px;
}
.ptp-list { display: flex; flex-direction: column; gap: 1px; }
.ptp-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px; border-radius: 9px;
  cursor: pointer; transition: background .1s;
  width: 100%; text-align: left;
}
.ptp-item:hover { background: var(--surface2, #ede9d8); }
.ptp-item.active { background: rgba(27,61,110,.09); }
.ptp-icon {
  width: 42px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2, #ede9d8);
  border-radius: 7px; flex-shrink: 0;
  color: var(--text-muted, #6b5c3e);
}
.ptp-item.active .ptp-icon { color: var(--primary, #1b3d6e); background: rgba(27,61,110,.1); }
.ptp-info { flex: 1; }
.ptp-name { font-size: 13px; font-weight: 600; color: var(--text, #1e1608); line-height: 1.3; }
.ptp-item.active .ptp-name { color: var(--primary, #1b3d6e); }
.ptp-desc { font-size: 11px; color: var(--text-light, #9e8a68); margin-top: 1px; }
.ptp-check { flex-shrink: 0; opacity: 0; }
.ptp-item.active .ptp-check { opacity: 1; }

/* Color + size */
.canvas-color-btn {
  width: 22px; height: 22px;
  border-radius: 50%; cursor: pointer;
  border: 2.5px solid var(--border, #ddd6be);
  box-shadow: var(--shadow, 0 1px 4px rgba(60,40,10,.12));
  flex-shrink: 0;
  transition: border-color .15s, transform .15s;
}
.canvas-color-btn:hover { border-color: var(--primary, #1b3d6e); transform: scale(1.12); }

.size-slider { width: 72px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }

.tb-zoom-label {
  font-size: 11px; font-weight: 600;
  color: var(--text-muted, #6b5c3e);
  min-width: 34px; text-align: center; flex-shrink: 0;
}

/* ── Toolbar page indicator + delete ── */
.tb-page-indicator {
  display: flex; align-items: center; gap: 6px;
  padding: 0 8px; flex-shrink: 0;
  border-left: 1px solid var(--border, #ddd6be);
  margin-left: 4px;
}
.tb-page-text {
  font-size: 12px; font-weight: 600;
  color: var(--text-muted, #6b5c3e);
  white-space: nowrap;
}
.tb-del-page-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 7px;
  background: transparent;
  border: 1.5px solid var(--border, #ddd6be);
  color: var(--danger, #d63848);
  cursor: pointer;
  transition: all .15s;
}
.tb-del-page-btn:hover { background: rgba(214,56,72,.1); border-color: var(--danger, #d63848); }

/* ── Canvas area ── */
.canvas-area {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  cursor: crosshair;
  touch-action: none;
  background: var(--surface2, #ede9d8);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 0 80px;
  gap: 0;
}
.canvas-scroll { display: contents; }
.canvas-page-wrapper { position: relative; flex-shrink: 0; }
/* Page separator line between pages */
.canvas-page-wrapper + .canvas-page-wrapper .canvas-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--border-dark, #c4b99e);
  z-index: 10;
  pointer-events: none;
}
.canvas-container {
  position: relative;
  flex-shrink: 0;
  box-shadow:
    -4px 0 16px rgba(60,40,10,.08),
    4px 0 16px rgba(60,40,10,.08),
    0 8px 32px rgba(60,40,10,.12);
  border-radius: 0;
}
/* Ghost zone at bottom — triggers new page */
.canvas-add-zone {
  width: 794px;
  height: 56px;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  border: 2px dashed var(--border-dark, #c4b99e);
  border-radius: var(--radius-sm, 10px);
  color: var(--text-light, #9e8a68);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  flex-shrink: 0;
}
.canvas-add-zone:hover { border-color: var(--primary, #1b3d6e); color: var(--primary, #1b3d6e); background: rgba(27,61,110,.04); }
.canvas-layer { position: absolute; top: 0; left: 0; }

/* ── Multi-page scrollable layout ── */
.canvas-page-wrapper {
  position: relative;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.canvas-page-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-light, #9e8a68);
  letter-spacing: .04em;
  text-transform: uppercase;
  align-self: flex-start;
  padding-left: 4px;
  margin-bottom: -4px;
}
.canvas-page-del-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 7px;
  background: rgba(214,56,72,.07);
  border: 1.5px solid rgba(214,56,72,.2);
  color: var(--danger, #d63848);
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  align-self: flex-end;
}
.canvas-page-del-btn:hover {
  background: rgba(214,56,72,.13);
  border-color: var(--danger, #d63848);
}

/* ── Bottom bar ── */
.canvas-bottom-bar {
  height: 46px;
  background: var(--surface, #fffef8);
  border-top: 1.5px solid var(--border, #ddd6be);
  box-shadow: 0 -2px 8px rgba(60,40,10,.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
}
.page-nav { display: flex; align-items: center; gap: 6px; }
.page-nav-btn {
  width: 28px; height: 28px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted, #6b5c3e);
  transition: all .15s;
}
.page-nav-btn:hover { background: var(--surface2, #ede9d8); color: var(--text, #1e1608); }
.page-info-text { font-size: 12px; font-weight: 600; color: var(--text-muted, #6b5c3e); min-width: 36px; text-align: center; }
.tb-add-page-btn {
  margin-left: 6px;
  font-size: 11px; font-weight: 600;
  padding: 5px 12px; border-radius: 7px;
  background: rgba(27,61,110,.08);
  border: 1.5px solid rgba(27,61,110,.2);
  color: var(--primary, #1b3d6e);
  transition: all .15s; font-family: inherit;
}
.tb-add-page-btn:hover { background: rgba(27,61,110,.15); border-color: var(--primary, #1b3d6e); }

/* ── Color palette popup ── */
.color-palette {
  position: fixed;
  top: 64px; left: 50%; transform: translateX(-50%);
  background: var(--surface, #fffef8);
  border: 1.5px solid var(--border, #ddd6be);
  border-radius: var(--radius, 14px);
  padding: 12px 14px;
  box-shadow: var(--shadow-lg, 0 12px 40px rgba(60,40,10,.16));
  z-index: 600; display: none;
}
.color-palette.open { display: flex; gap: 8px; flex-wrap: wrap; max-width: 240px; align-items: center; }
.palette-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  border: 2.5px solid var(--border, #ddd6be);
  transition: transform .12s, border-color .12s; flex-shrink: 0;
}
.palette-swatch:hover { transform: scale(1.18); }
.palette-swatch.active { border-color: var(--primary, #1b3d6e); box-shadow: 0 0 0 2px rgba(27,61,110,.2); }

/* ===== Calendar ===== */
.calendar-nav { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.calendar-month { font-size: 18px; font-weight: 700; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; background: var(--border); border-radius: var(--radius); overflow: hidden; }
.cal-day-header { background: var(--sidebar-bg); color: var(--sidebar-text); text-align: center; padding: 10px 0; font-size: 12px; font-weight: 600; }
.cal-day {
  background: var(--surface);
  min-height: 90px;
  padding: 8px;
  position: relative;
  transition: background var(--transition);
}
.cal-day:hover { background: var(--surface2); }
.cal-day.other-month { background: var(--bg); }
.cal-day.today { background: rgba(27,61,110,.05); }
.cal-day-num { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.cal-day.today .cal-day-num { background: var(--primary); color: white; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.cal-day.selected-day { background: #e8eef8; outline: 2px solid var(--primary); outline-offset: -2px; }

/* Day timeline */
.day-panel-header { padding-bottom: 0; }

.day-timeline {
  max-height: 520px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.hour-row {
  display: flex;
  min-height: 56px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .12s;
}
.hour-row:last-child { border-bottom: none; }
.hour-row:hover { background: #f5f7ff; }
.hour-row:hover .hour-hint { opacity: 1; }

.hour-label {
  width: 56px;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 6px 0;
  border-right: 1px solid var(--border);
  text-align: right;
  user-select: none;
  background: var(--surface2);
}

.hour-content {
  flex: 1;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hour-event {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 6px;
  color: white;
  font-size: 13px;
  cursor: pointer;
  transition: filter .12s;
}
.hour-event:hover { filter: brightness(1.08); }
.hour-event-time  { font-size: 11px; opacity: .85; white-space: nowrap; flex-shrink: 0; }
.hour-event-title { flex: 1; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hour-event-del   { background: none; border: none; color: rgba(255,255,255,.65); font-size: 11px; cursor: pointer; padding: 0 2px; flex-shrink: 0; }
.hour-event-del:hover { color: white; }

.hour-hint {
  font-size: 11px;
  color: var(--text-light);
  opacity: 0;
  transition: opacity .15s;
  padding: 4px 0;
  pointer-events: none;
}

.cal-event-chip {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  color: white;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

/* ===== Todos ===== */
.todo-list { display: flex; flex-direction: column; gap: 10px; }
.todo-full-item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: opacity var(--transition);
}
.todo-full-item.completed { opacity: .6; }
.priority-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.priority-high { background: var(--danger); }
.priority-medium { background: var(--warning); }
.priority-low { background: var(--success); }
.todo-full-body { flex: 1; }
.todo-full-title { font-size: 14px; font-weight: 500; }
.todo-full-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.todo-actions-row { display: flex; gap: 6px; }

/* ===== Utilities ===== */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-3 { margin-bottom: 12px; }
.text-muted { color: var(--text-muted); font-size: 13px; }
.text-sm { font-size: 13px; }
.icon-btn { width: 32px; height: 32px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: all var(--transition); }
.icon-btn:hover { background: var(--bg); color: var(--text); }
.loader { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.analysis-spinner { display: flex; align-items: center; gap: 10px; padding: 16px; color: var(--text-muted); font-size: 14px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.visible { display: block; }
  .ink-sb-top { display: flex; }
  .page-content { padding: 16px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .class-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-box { max-width: calc(100vw - 32px); }
}

@media (min-width: 769px) {
  .hamburger-btn { display: none; }
  .topbar { display: none; }
  .page-content { padding: 28px 32px; }
}

@media print {
  .sidebar, .topbar, .exam-actions { display: none !important; }
  .page-content { padding: 0; }
  body { background: white; }
}

/* ===== Chapter inner tabs ===== */
.inner-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--border);
}
.inner-tab {
  padding: 9px 18px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s;
  white-space: nowrap;
  letter-spacing: .01em;
}
.inner-tab:hover { color: var(--primary); background: rgba(27,61,110,.04); }
.inner-tab.active { color: var(--primary); border-bottom-color: var(--gold); font-weight: 700; }
.chapter-tab-pane { display: none; }
.chapter-tab-pane.active { display: block; }

/* ===== Key content (theory) ===== */
.key-summary {
  background: #e8eef8;
  border-left: 4px solid var(--gold);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}
.key-content {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 20px;
}
.key-content h1, .key-content h2 {
  font-size: 15px; font-weight: 700;
  margin: 20px 0 9px; color: var(--primary);
  font-family: 'Noto Serif KR', serif;
  border-bottom: 1.5px solid var(--border);
  padding-bottom: 5px;
}
.key-content h3 {
  font-size: 14px; font-weight: 700;
  margin: 16px 0 7px; color: var(--text);
  font-family: 'Noto Serif KR', serif;
}
.key-content p { margin-bottom: 10px; }
.key-content ul, .key-content ol { padding-left: 22px; margin-bottom: 10px; }
.key-content li { margin-bottom: 5px; }
.key-content strong { font-weight: 700; color: var(--text); }
.key-content code {
  background: #f1f5f9; padding: 1px 6px;
  border-radius: 4px; font-size: 13px; font-family: monospace;
}
.katex-display { overflow-x: auto; margin: 12px 0 !important; padding: 8px 0; }

/* ===== Example problems ===== */
.examples-section { margin-top: 20px; }
.examples-label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); margin-bottom: 10px;
}
.example-card {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.example-card .ex-num {
  font-size: 11px; font-weight: 700;
  color: #92400e; margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: .05em;
}
.example-card .ex-question { font-size: 14px; font-weight: 500; line-height: 1.6; margin-bottom: 10px; }
.example-card .ex-opts { list-style: none; padding: 0; margin: 8px 0; }
.example-card .ex-opts li { font-size: 13px; padding: 3px 0; color: var(--text-muted); }
.example-card .ex-solution {
  background: var(--surface); border-radius: 6px;
  padding: 10px 12px; font-size: 13px; line-height: 1.6;
  border: 1px solid rgba(201,168,76,.35);
}
.example-card .ex-solution .sol-answer { color: var(--success); font-weight: 700; margin-bottom: 4px; }

/* ===== Practice problems ===== */
.practice-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 14px;
}
.practice-count { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.practice-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 10px;
  transition: border-color .2s;
}
.practice-card.correct { border-color: var(--success); background: #f0fdf4; }
.practice-card.wrong   { border-color: var(--danger);  background: #fef2f2; }
.prac-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.prac-qnum { font-size: 12px; font-weight: 700; color: var(--text-muted); }
.prac-question { font-size: 14px; font-weight: 500; line-height: 1.65; margin-bottom: 12px; }
.prac-options { list-style: none; padding: 0; margin: 0 0 10px; }
.prac-options li {
  padding: 9px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px; margin-bottom: 6px;
  font-size: 14px; cursor: pointer;
  transition: all .15s; user-select: none;
}
.prac-options li:hover { background: #e8eef8; border-color: var(--primary-light); }
.prac-options li.selected { background: #e8eef8; border-color: var(--primary); }
.prac-options li.opt-correct { background: #f0fdf4; border-color: var(--success); color: #065f46; font-weight: 600; }
.prac-options li.opt-wrong   { background: #fef2f2; border-color: var(--danger);  color: #991b1b; }
.prac-input-row { display: flex; gap: 8px; margin-bottom: 10px; }
.prac-input {
  flex: 1; padding: 9px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px; font-size: 14px;
  transition: border-color .15s;
}
.prac-input:focus { outline: none; border-color: var(--primary); }
.prac-reveal-btn { font-size: 12px; color: var(--primary); cursor: pointer; background: none; border: none; padding: 4px 0; }
.prac-reveal-btn:hover { text-decoration: underline; }
.prac-answer {
  display: none; margin-top: 10px;
  padding: 10px 12px;
  background: #f0fdf4; border-radius: 6px;
  border: 1px solid #bbf7d0; font-size: 13px; line-height: 1.6;
}
.prac-answer.show { display: block; }
.prac-answer .ans-label { color: var(--success); font-weight: 700; margin-bottom: 4px; }

/* ===== Prof AI Chat ===== */
.prof-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1b3d6e 0%, #0a1929 100%);
  color: #e8d4a0;
  border: 1.5px solid rgba(201,168,76,.3);
  border-radius: 28px;
  padding: 10px 18px 10px 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  z-index: 700;
  box-shadow: 0 4px 20px rgba(7,17,31,.3);
  transition: all .2s;
}
.prof-fab:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(7,17,31,.4); border-color: rgba(201,168,76,.5); }
.prof-fab.active { background: linear-gradient(135deg, #254e90 0%, #142540 100%); }
.prof-fab-icon { font-size: 18px; }
.prof-fab-label { letter-spacing: .03em; }

.prof-panel {
  position: fixed;
  bottom: 90px;
  right: 28px;
  width: 360px;
  max-height: 560px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,.22), 0 2px 8px rgba(0,0,0,.1);
  z-index: 699;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  transform: translateY(16px) scale(.97);
  opacity: 0;
  pointer-events: none;
  transition: all .22s cubic-bezier(.4,0,.2,1);
}
.prof-panel.open {
  transform: none;
  opacity: 1;
  pointer-events: all;
}

.prof-header {
  background: var(--sidebar-bg);
  color: white;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.prof-header-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #c9a84c 0%, #a07828 100%);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.prof-close-btn {
  background: none; border: none;
  color: rgba(255,255,255,.7); font-size: 14px;
  cursor: pointer; padding: 4px 8px; border-radius: 6px;
}
.prof-close-btn:hover { background: rgba(255,255,255,.15); color: white; }

.prof-log {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg);
}

.prof-msg { display: flex; gap: 8px; align-items: flex-start; }
.prof-msg-user { flex-direction: row-reverse; }

.prof-avatar {
  width: 28px; height: 28px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: white;
  flex-shrink: 0;
}

.prof-bubble {
  max-width: 80%;
  padding: 10px 13px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.65;
}
.prof-msg-ai .prof-bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px 12px 12px 12px;
}
.prof-msg-user .prof-bubble {
  background: var(--primary);
  color: white;
  border-radius: 12px 2px 12px 12px;
}

/* Typing indicator */
.prof-thinking {
  display: flex; gap: 5px; align-items: center;
  padding: 13px 16px;
}
.prof-thinking span {
  width: 7px; height: 7px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: profDot 1.2s infinite;
}
.prof-thinking span:nth-child(2) { animation-delay: .2s; }
.prof-thinking span:nth-child(3) { animation-delay: .4s; }
@keyframes profDot { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }

.prof-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.prof-input {
  flex: 1;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  resize: none;
  font-family: inherit;
  line-height: 1.5;
  max-height: 100px;
  overflow-y: auto;
  transition: border-color .15s;
}
.prof-input:focus { outline: none; border-color: var(--primary); }
.prof-send-btn {
  width: 36px; height: 36px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background .15s, transform .15s;
}
.prof-send-btn:hover { background: var(--primary-dark); transform: scale(1.05); }

/* Prof KaTeX styling inside bubbles */
.prof-bubble .katex-display { margin: 8px 0 !important; }

/* Mobile */
@media (max-width: 768px) {
  .prof-panel { left: 12px; right: 12px; width: auto; bottom: 80px; }
  .prof-fab { bottom: 20px; right: 16px; }
}

/* ============================================================
   INK DESIGN — Shelf View (Notes)
   ============================================================ */
.shelf-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--ink-paper, #faf7f0);
}

.shelf-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--ink-paper, #faf7f0);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.shelf-title-area { display: flex; align-items: center; gap: 8px; }
.shelf-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.shelf-bc-root { color: var(--text-muted); }
.shelf-bc-cur { font-weight: 700; color: var(--text); }

.shelf-search-box {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 10px;
  background: var(--surface2); border: 1px solid var(--border);
  flex: 1; min-width: 200px; max-width: 320px;
  color: var(--text-muted);
}
.shelf-search-input {
  flex: 1; background: none; border: none; outline: none;
  font-size: 13px; color: var(--text); font-family: inherit;
}
.shelf-search-input::placeholder { color: var(--text-muted); }

.shelf-new-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: 10px;
  background: var(--text); color: var(--bg);
  font-size: 13px; font-weight: 700;
  border: none; cursor: pointer;
  white-space: nowrap;
  transition: opacity .15s;
}
.shelf-new-btn:hover { opacity: .85; }

/* Filter chips */
.shelf-filters {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 28px 4px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.shelf-chip {
  padding: 5px 12px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer; transition: .15s;
}
.shelf-chip.active {
  background: var(--text); color: var(--bg); border-color: transparent;
}
.shelf-chip-spacer { flex: 1; }
.shelf-sort-label { font-size: 12px; color: var(--text-muted); }

/* Body */
.shelf-body {
  flex: 1; overflow-y: auto;
  padding: 16px 28px 28px;
}

/* ── 아이디어 캔버스 (협업 보드) ── */
.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.ideas-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--ink-card, #fff);
  border: 1px solid var(--ink-line, #e8e2d6);
  border-radius: 14px;
  overflow: hidden; cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
  transition: transform .12s, box-shadow .12s, border-color .12s;
}
.ideas-card:hover { transform: translateY(-2px); box-shadow: 0 8px 22px -12px rgba(20,26,36,.28); border-color: var(--ink-line-strong, #cdc6b6); }
.ideas-card-thumb {
  position: relative; overflow: hidden;
  height: 104px; display: grid; place-items: center; font-size: 34px;
  background: repeating-linear-gradient(45deg, var(--ink-paper, #faf7f0), var(--ink-paper, #faf7f0) 10px, var(--ink-card, #fff) 10px, var(--ink-card, #fff) 20px);
  border-bottom: 1px solid var(--ink-line, #e8e2d6);
}
.ideas-card-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ideas-card-emoji { line-height: 1; }
.ideas-card-body { padding: 10px 12px 12px; }
.ideas-card-title { font-weight: 700; font-size: 14px; line-height: 1.3; margin-bottom: 6px; word-break: break-word; }
.ideas-card-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ideas-card-date { font-size: 11.5px; color: var(--text-muted); }
.ideas-badge { font-size: 10.5px; font-weight: 700; border-radius: 999px; padding: 1px 8px; }
.ideas-badge.own { background: color-mix(in srgb, var(--ink-pink, #e8618c) 16%, transparent); color: var(--ink-pink, #e8618c); }
.ideas-badge.shared { background: color-mix(in srgb, var(--ink-cyan, #22b8cf) 16%, transparent); color: var(--ink-cyan, #1098ad); }
/* 필기노트 .book-actions 참고 — 호버 때만 노출되는 수정/삭제 */
.ideas-card-actions { position: absolute; top: 6px; right: 6px; display: flex; flex-direction: column; gap: 4px; opacity: 0; transition: opacity .15s; }
.ideas-card:hover .ideas-card-actions { opacity: 1; }
.ideas-act-btn {
  width: 24px; height: 24px; border-radius: 6px;
  background: rgba(0,0,0,.35); color: rgba(255,255,255,.92);
  font-size: 12px; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.ideas-act-btn:hover { background: rgba(0,0,0,.6); }
.ideas-act-btn.del:hover { background: rgba(220,38,38,.72); }
@media (hover: none) { .ideas-card-actions { opacity: 1; } }

/* 풀스크린 열기 뷰 (사이드바·패널 위를 전부 덮음) */
/* z-index 950: 사이드바(200)·팝업(500) 위, 모달(1000)·토스트(2000) 아래 → 공유 모달이 위에 뜬다 */
.ideas-fs { position: fixed; inset: 0; z-index: 950; display: flex; flex-direction: column; background: var(--bg, #eceef1); }
.ideas-fs-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; padding-top: calc(10px + env(safe-area-inset-top, 0px)); border-bottom: 1px solid var(--ink-line, #e8e2d6); background: var(--ink-card, #fff); }
.ideas-fs .ideas-frame { flex: 1; width: 100%; border: 0; display: block; }
body.ideas-fs-on { overflow: hidden; }
.ideas-title-input { flex: 1; min-width: 0; border: 1px solid transparent; background: none; font-size: 15px; font-weight: 700; color: var(--text, #1a1f28); border-radius: 8px; padding: 6px 10px; }
.ideas-title-input:hover { border-color: var(--ink-line, #e8e2d6); }
.ideas-title-input:focus { outline: none; border-color: var(--ink-pink, #e8618c); background: var(--ink-paper, #faf7f0); }
.ideas-frame { flex: 1; width: 100%; border: 0; display: block; }

/* 공유 모달 */
.ideas-share { min-width: min(420px, 82vw); }
.ideas-mlist { border: 1px solid var(--ink-line, #e8e2d6); border-radius: 10px; overflow: hidden; }
.ideas-mrow { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px; font-size: 13px; border-bottom: 1px solid var(--ink-line, #e8e2d6); }
.ideas-mrow:last-child { border-bottom: 0; }
.ideas-mrow.owner { background: var(--ink-paper, #faf7f0); font-weight: 600; }
.ideas-mrow.empty { color: var(--text-muted); justify-content: center; }
.ideas-mrow .ib.sm { width: 24px; height: 24px; border: 0; background: none; cursor: pointer; border-radius: 6px; color: var(--text-muted); }
.ideas-mrow .ib.sm:hover { background: var(--ink-line, #e8e2d6); color: var(--text, #1a1f28); }

/* 수정 모달 — 표지 미리보기 */
.ideas-edit { display: flex; align-items: center; gap: 14px; }
.ideas-cover-prev { width: 96px; height: 72px; border-radius: 10px; overflow: hidden; border: 1px solid var(--ink-line, #e8e2d6); background: var(--ink-paper, #faf7f0); display: grid; place-items: center; font-size: 30px; flex: none; }
.ideas-cover-prev img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ideas-cover-actions { display: flex; flex-direction: column; gap: 8px; }

/* 관리자 유저 선택 목록 */
.ideas-userlist { max-height: 260px; overflow-y: auto; border: 1px solid var(--ink-line, #e8e2d6); border-radius: 10px; }
.ideas-urow { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--ink-line, #e8e2d6); }
.ideas-urow:last-child { border-bottom: 0; }
.ideas-uinfo { display: flex; flex-direction: column; min-width: 0; }
.ideas-uname { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ideas-uemail { font-size: 11.5px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ideas-uadd { flex: none; padding: 4px 12px; font-size: 12.5px; }
.ideas-uadd:disabled { opacity: .5; cursor: default; }
@media (max-width: 768px) { .ideas-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; } }

/* Sections */
.shelf-section { margin-bottom: 28px; }
.shelf-section-header {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 14px;
}
.shelf-section-title {
  font-family: 'Playfair Display', 'Noto Serif KR', serif;
  font-size: 26px; line-height: 1; color: var(--text);
}
.shelf-section-label {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .05em;
}
.shelf-section-sub { font-size: 12px; color: var(--text-muted); }
.shelf-badge-active {
  font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 4px;
  background: var(--ink-mint-soft); color: #1b6a48; letter-spacing: .04em;
}
.shelf-section-spacer { flex: 1; }
.shelf-see-all {
  font-size: 12px; color: var(--ink-pink); font-weight: 600;
  display: flex; align-items: center; gap: 4px; cursor: pointer;
}

.shelf-books-row {
  display: flex; gap: 18px;
  overflow-x: auto; padding-bottom: 18px;
  scrollbar-width: none;
}
.shelf-books-row::-webkit-scrollbar { display: none; }

.shelf-line-svg { margin-top: -14px; }

/* Book covers */
.book-cover-wrap {
  flex-shrink: 0; width: 142px;
  display: flex; flex-direction: column; gap: 10px;
  cursor: pointer;
}
.book-cover-wrap:hover .book-cover { transform: translateY(-6px); box-shadow: 0 16px 28px -8px rgba(0,0,0,.45), inset 6px 0 0 rgba(0,0,0,.18), inset 0 -3px 0 rgba(0,0,0,.10); }
.book-cover-wrap:hover .book-actions { opacity: 1; }

.book-cover {
  width: 142px; height: 178px;
  border-radius: 3px 10px 10px 3px;
  background: var(--book-c, #6366f1);
  position: relative; overflow: hidden;
  box-shadow: 0 8px 18px -8px rgba(0,0,0,.35),
              inset 6px 0 0 rgba(0,0,0,.18),
              inset 0 -3px 0 rgba(0,0,0,.10);
  transition: transform .2s ease, box-shadow .2s ease;
}

.book-spine {
  position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  background: rgba(0,0,0,.18);
}
.book-spine-line {
  position: absolute; left: 12px; top: 8px; bottom: 8px; width: 1px;
  background: rgba(255,255,255,.25);
}
.book-tag {
  position: absolute; left: 22px; top: 18px;
  font-family: var(--font-mono-ink); font-size: 9px; font-weight: 600;
  letter-spacing: .1em; color: rgba(255,255,255,.8);
}
.book-title {
  position: absolute; left: 22px; right: 14px; top: 52px;
  font-family: 'Nanum Pen Script', 'Gaegu', cursive;
  font-size: 26px; line-height: 1.05;
  color: rgba(255,255,255,.96); word-break: break-word;
}
.book-footer {
  position: absolute; bottom: 12px; left: 22px; right: 14px;
}
.book-sub {
  font-family: var(--font-mono-ink); font-size: 9px;
  color: rgba(255,255,255,.65);
}
.book-actions {
  position: absolute; top: 6px; right: 6px;
  display: flex; flex-direction: column; gap: 4px;
  opacity: 0; transition: opacity .15s;
}
.book-action-btn {
  width: 22px; height: 22px; border-radius: 5px;
  background: rgba(0,0,0,.35); color: rgba(255,255,255,.9);
  font-size: 12px; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.book-action-btn:hover { background: rgba(0,0,0,.6); }
.book-delete-btn:hover { background: rgba(220,38,38,.7) !important; }

.book-label {}
.book-label-name {
  font-size: 12px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.book-label-sub { font-size: 10.5px; color: var(--text-muted); margin-top: 2px; }

/* Empty */
.shelf-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 20px; gap: 12px;
  color: var(--text-muted);
}
.shelf-empty-icon { font-size: 48px; }
.shelf-empty-title { font-size: 18px; font-weight: 700; color: var(--text); }
.shelf-empty-desc { font-size: 14px; text-align: center; }

/* INK Color picker */
.ink-color-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.ink-swatch {
  width: 28px; height: 28px; border-radius: 50%;
  cursor: pointer; transition: transform .15s, box-shadow .15s;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
}
.ink-swatch:hover { transform: scale(1.15); }
.ink-swatch.selected {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px currentColor;
  transform: scale(1.1);
}

/* ============================================================
   INK DESIGN — Dashboard
   ============================================================ */
.dash-wrap { padding: 22px 28px 40px; max-width: 1200px; }

.dash-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 20px; gap: 16px; flex-wrap: wrap;
}
.dash-date-mono {
  font-family: var(--font-mono-ink); font-size: 11px; color: var(--text-muted);
  letter-spacing: .03em;
}
.dash-greeting {
  font-family: 'Noto Serif KR', serif;
  font-size: 30px; line-height: 1.1; color: var(--text); margin-top: 4px;
}
.dash-header-actions { display: flex; align-items: center; gap: 8px; }
.btn-sm { font-size: 12px !important; padding: 7px 12px !important; }

.dash-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 18px;
}

.dash-section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--text);
  margin-bottom: 12px;
}
.dash-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dash-section-day { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.dash-section-sub { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.dash-section-spacer { flex: 1; }
.dash-see-all {
  font-size: 12px; color: var(--ink-pink); font-weight: 600;
  white-space: nowrap; cursor: pointer;
}

/* Timeline */
.tl-hours { position: relative; height: 18px; margin-bottom: 4px; }
.tl-hour {
  position: absolute; transform: translateX(-50%);
  font-size: 10px; color: var(--text-muted);
  font-family: var(--font-mono-ink);
}
.tl-bar {
  position: relative; height: 64px;
  border-radius: 10px; background: var(--surface2);
  overflow: hidden;
}
.tl-event {
  position: absolute; top: 8px; bottom: 8px;
  padding: 5px 8px; border-radius: 6px;
  overflow: hidden; min-width: 20px;
}
.tl-event-title {
  font-size: 11px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tl-event-time { font-size: 10px; color: var(--text-muted); }
.tl-now {
  position: absolute; top: 0; bottom: 0;
  width: 1.5px; background: var(--ink-pink);
}
.tl-now-dot {
  position: absolute; top: -3px; left: -4px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--ink-pink);
}
.tl-now-label {
  position: absolute; top: -18px; left: -12px;
  font-size: 9px; font-weight: 700; color: var(--ink-pink);
  font-family: var(--font-mono-ink);
}

/* Course cards */
.dash-course-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.dash-course-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  cursor: pointer; transition: box-shadow .18s, transform .18s;
  display: flex; flex-direction: column; gap: 10px;
}
.dash-course-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.dash-course-header { display: flex; align-items: center; gap: 10px; }
.dash-course-cover {
  width: 22px; height: 28px; border-radius: 3px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.18);
  flex-shrink: 0;
}
.dash-course-name { font-size: 14px; font-weight: 700; color: var(--text); }
.dash-course-next {
  display: flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--text-muted);
}
.dash-live-badge {
  font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px;
  background: var(--ink-pink); color: white; letter-spacing: .04em;
}
.dash-course-due {
  display: flex; align-items: center; gap: 6px; font-size: 11.5px;
}
.dash-course-due.urgent .dash-d-badge { background: var(--ink-pink-soft); color: #9a2657; }
.dash-d-badge {
  font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 4px;
  background: var(--surface2); color: var(--text);
}
.dash-due-name {
  flex: 1; min-width: 0; font-weight: 600; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.dash-due-when { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono-ink); }
.dash-course-ok { font-size: 11.5px; color: var(--text-muted); }

.dash-add-class-card {
  border-radius: var(--radius); border: 1.5px dashed var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; color: var(--text-muted); font-size: 13px; font-weight: 600;
  min-height: 120px; cursor: pointer; text-decoration: none;
  transition: border-color .15s, color .15s;
}
.dash-add-class-card:hover { border-color: var(--ink-pink); color: var(--ink-pink); }

/* Due row */
.dash-due-row {
  display: flex; align-items: stretch; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.dash-due-row:last-child { border-bottom: none; }
.dash-due-d {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--surface2); color: var(--text);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.dash-due-d.dash-due-urgent { background: var(--ink-pink-soft); color: #9a2657; }
.dash-due-label { font-size: 9px; font-weight: 700; letter-spacing: .04em; }
.dash-due-num {
  font-family: var(--font-mono-ink); font-size: 16px; font-weight: 700; line-height: 1;
}
.dash-due-class { font-size: 10px; font-weight: 700; margin-bottom: 2px; }
.dash-due-title { font-size: 13px; font-weight: 600; color: var(--text); }
.dash-due-when { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   INK DESIGN — Flashcard Module
   ============================================================ */
.fc-wrap { padding: 22px 28px 40px; max-width: 1100px; }
.fc-topbar {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.fc-new-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 10px;
  background: var(--text); color: var(--bg);
  font-size: 13px; font-weight: 700; border: none; cursor: pointer;
  transition: opacity .15s; white-space: nowrap;
}
.fc-new-btn:hover { opacity: .85; }

/* Set grid */
.fc-sets-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.fc-set-card {
  border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--border); overflow: hidden; cursor: pointer;
  transition: box-shadow .18s, transform .18s;
  display: flex; flex-direction: column;
}
.fc-set-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.fc-set-cover {
  height: 100px; position: relative;
  display: flex; align-items: flex-end; padding: 10px 12px;
}
.fc-set-card-stack { position: relative; width: 60px; height: 40px; }
.fc-stack-card {
  position: absolute; border-radius: 4px;
  background: rgba(255,255,255,.3);
}
.fc-stack-2 { inset: 6px 0 0 6px; }
.fc-stack-1 { inset: 3px 3px 3px 3px; }
.fc-due-badge {
  margin-left: auto;
  font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 4px;
  background: rgba(255,255,255,.9); color: #9a2657;
}
.fc-set-info { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; }
.fc-set-name { font-size: 15px; font-weight: 700; color: var(--text); }
.fc-set-meta { font-size: 11.5px; color: var(--text-muted); }
.fc-set-class { font-weight: 600; }
.fc-set-actions { display: flex; align-items: center; gap: 6px; }
.fc-set-study-btn {
  flex: 1; height: 30px; border-radius: 8px;
  background: var(--text); color: var(--bg);
  font-size: 12px; font-weight: 700; border: none; cursor: pointer;
  transition: opacity .15s;
}
.fc-set-study-btn:hover { opacity: .8; }
.fc-icon-btn {
  width: 28px; height: 28px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--surface2); color: var(--text-muted);
  font-size: 12px; cursor: pointer; transition: .15s;
  display: flex; align-items: center; justify-content: center;
}
.fc-icon-btn:hover { color: var(--text); border-color: var(--border-dark); }
.fc-starred { color: var(--ink-yellow) !important; border-color: var(--ink-yellow) !important; }
.fc-del-btn:hover { color: var(--danger) !important; border-color: var(--danger) !important; }

/* Empty */
.fc-empty, .fc-cards-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 20px; gap: 12px; color: var(--text-muted);
  grid-column: 1 / -1;
}
.fc-empty-icon { font-size: 48px; }
.fc-empty-title { font-size: 18px; font-weight: 700; color: var(--text); }
.fc-empty-desc { font-size: 14px; text-align: center; }

/* Detail view */
.fc-detail-wrap { display: flex; flex-direction: column; height: 100%; }
.fc-detail-topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  flex-shrink: 0; flex-wrap: wrap;
}
.fc-back-btn {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  background: none; border: none; cursor: pointer; padding: 4px 8px;
  border-radius: 8px; transition: .15s;
}
.fc-back-btn:hover { background: var(--surface2); color: var(--text); }
.fc-detail-title-area { flex: 1; min-width: 0; }
.fc-detail-name { font-size: 18px; font-weight: 700; color: var(--text); }
.fc-detail-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.fc-detail-btns { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.fc-prof-badge {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px;
  background: var(--ink-cyan-soft); color: var(--ink-cyan);
  font-size: 11px; font-weight: 600; cursor: pointer;
  border: 1px solid rgba(40,190,239,.25);
  transition: opacity .15s;
}
.fc-prof-badge:hover { opacity: .8; }
[data-theme="dark"] .fc-prof-badge { background: rgba(40,190,239,.12); }
.fc-study-all-btn, .fc-study-due-btn {
  height: 32px; padding: 0 14px; border-radius: 9px;
  font-size: 12.5px; font-weight: 700; cursor: pointer; transition: .15s;
}
.fc-study-all-btn { background: var(--surface2); border: 1px solid var(--border); color: var(--text); }
.fc-study-all-btn:hover { border-color: var(--border-dark); }
.fc-study-due-btn { background: var(--ink-pink); color: white; border: none; }
.fc-study-due-btn:hover { opacity: .85; }
.fc-add-card-btn {
  display: flex; align-items: center; gap: 5px;
  height: 32px; padding: 0 12px; border-radius: 9px;
  background: var(--text); color: var(--bg);
  font-size: 12.5px; font-weight: 700; border: none; cursor: pointer;
  transition: opacity .15s;
}
.fc-add-card-btn:hover { opacity: .85; }

/* Cards list */
.fc-cards-list {
  flex: 1; overflow-y: auto;
  padding: 16px 22px;
  display: flex; flex-direction: column; gap: 6px;
}
.fc-card-row {
  display: flex; align-items: stretch; gap: 12px;
  padding: 12px 14px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  transition: box-shadow .15s;
}
.fc-card-row:hover { box-shadow: var(--shadow); }
.fc-card-due { border-left: 3px solid var(--ink-pink); }
.fc-card-num {
  font-family: var(--font-mono-ink); font-size: 12px; color: var(--text-muted);
  width: 28px; text-align: right; padding-top: 2px; flex-shrink: 0;
}
.fc-card-content { flex: 1; min-width: 0; }
.fc-card-q { font-size: 13.5px; font-weight: 600; color: var(--text); }
.fc-card-a {
  font-size: 12.5px; color: var(--text-muted); margin-top: 4px;
  padding-left: 10px; border-left: 2px solid var(--border);
}
.fc-card-row-meta { display: flex; flex-direction: column; gap: 3px; align-items: flex-end; justify-content: center; }
.fc-reviewed { font-size: 10.5px; color: var(--text-muted); font-family: var(--font-mono-ink); }
.fc-interval {
  font-size: 10px; font-weight: 700; padding: 1px 5px; border-radius: 3px;
  background: var(--ink-mint-soft); color: #1b6a48;
}
.fc-card-row-actions { display: flex; align-items: center; gap: 4px; }

.fc-card-textarea {
  min-height: 80px; resize: vertical;
  font-family: inherit; font-size: 14px;
}

/* ── Study view ── */
.fc-study-wrap {
  display: flex; flex-direction: column; height: 100%;
  background: var(--bg);
}
.fc-study-topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 22px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.fc-study-info { flex: 1; min-width: 0; }
.fc-study-setname { font-size: 13px; font-weight: 700; color: var(--text); }
.fc-study-setmeta { font-size: 11px; color: var(--text-muted); }
.fc-study-progress-area { display: flex; align-items: center; gap: 10px; }
.fc-study-progress-txt { font-family: var(--font-mono-ink); font-size: 11px; color: var(--text-muted); }
.fc-study-progress-bar {
  width: 140px; height: 5px; border-radius: 3px;
  background: var(--surface2); overflow: hidden;
}
.fc-study-progress-fill { height: 100%; background: var(--ink-pink); border-radius: 3px; transition: width .3s; }

/* Stage */
.fc-study-stage {
  flex: 1; position: relative;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2); overflow: hidden; cursor: pointer;
  user-select: none;
}
.fc-shadow-card {
  position: absolute; border-radius: 18px;
  background: var(--surface); width: 540px; max-width: 90vw;
}
.fc-shadow-2 { height: 340px; transform: translate(-12px, 12px) rotate(-2deg); opacity: .6; box-shadow: 0 4px 18px -8px rgba(0,0,0,.12); }
.fc-shadow-1 { height: 340px; transform: translate(8px, 6px) rotate(1.5deg); opacity: .8; box-shadow: 0 4px 18px -8px rgba(0,0,0,.12); }

.fc-main-card {
  position: relative; width: 540px; max-width: 90vw; min-height: 340px;
  background: var(--surface); border-radius: 18px;
  box-shadow: 0 18px 40px -12px rgba(0,0,0,.15), 0 0 0 1px var(--border);
  padding: 30px 36px; display: flex; flex-direction: column; gap: 16px;
  transform-style: preserve-3d; transition: transform .5s;
}
.fc-main-card.flipped { transform: rotateY(180deg); }
.fc-card-front, .fc-card-back {
  backface-visibility: hidden;
  display: flex; flex-direction: column; gap: 14px;
}
.fc-card-back {
  position: absolute; inset: 30px 36px;
  transform: rotateY(180deg);
}
.fc-card-meta-row {
  display: flex; align-items: center; gap: 8px;
}
.fc-card-type-badge {
  padding: 3px 8px; border-radius: 4px;
  background: var(--ink-pink-soft); color: #9a2657;
  font-size: 10px; font-weight: 700; letter-spacing: .04em;
}
.fc-badge-answer { background: var(--ink-mint-soft); color: #1b6a48; }
.fc-card-src { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono-ink); }
.fc-star-btn {
  margin-left: auto; font-size: 16px; color: var(--text-muted);
  background: none; border: none; cursor: pointer;
  transition: color .15s; padding: 2px 4px;
}
.fc-star-btn.active { color: var(--ink-yellow); }
.fc-card-question {
  font-family: 'Noto Serif KR', serif;
  font-size: 24px; line-height: 1.3; color: var(--text);
}
.fc-card-answer {
  font-size: 17px; line-height: 1.5; color: var(--text-muted);
  border-top: 1px solid var(--border); padding-top: 14px; margin-top: 8px;
}
.fc-flip-hint {
  margin-top: auto; display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text-muted);
}
.fc-flip-key {
  padding: 2px 7px; border-radius: 4px;
  border: 1px solid var(--border); font-family: var(--font-mono-ink); font-size: 10px;
}

/* Rate row */
.fc-rate-row {
  padding: 18px 22px 26px; border-top: 1px solid var(--border);
  background: var(--surface); flex-shrink: 0;
  transition: opacity .2s;
}
.fc-rate-row.fc-rate-hidden { opacity: 0; pointer-events: none; }
.fc-rate-label { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 10px; }
.fc-rate-btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.fc-rate-btn {
  height: 64px; border-radius: 12px; border: none;
  padding: 0 14px; cursor: pointer;
  background: var(--surface); display: flex; align-items: center;
  justify-content: space-between; transition: .15s;
}
.fc-rate-again  { box-shadow: inset 0 0 0 1.5px #e9534b; }
.fc-rate-hard   { box-shadow: inset 0 0 0 1.5px #e98c4a; }
.fc-rate-good   { box-shadow: inset 0 0 0 1.5px var(--ink-mint); }
.fc-rate-easy   { box-shadow: inset 0 0 0 1.5px var(--ink-cyan); }
.fc-rate-btn:hover { background: var(--surface2); }
.fc-rate-name { font-size: 14px; font-weight: 700; color: var(--text); text-align: left; }
.fc-rate-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; text-align: left; }
.fc-rate-key {
  width: 26px; height: 26px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono-ink); font-size: 12px; font-weight: 700;
  color: white;
}
.fc-rate-again .fc-rate-key  { background: #e9534b; }
.fc-rate-hard  .fc-rate-key  { background: #e98c4a; }
.fc-rate-good  .fc-rate-key  { background: var(--ink-mint); }
.fc-rate-easy  .fc-rate-key  { background: var(--ink-cyan); }
.fc-rate-btn > div { flex: 1; }

/* Done screen */
.fc-done-wrap {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100%; gap: 16px;
}
.fc-done-icon { font-size: 64px; }
.fc-done-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 32px; font-weight: 700; color: var(--text);
}
.fc-done-sub { font-size: 16px; color: var(--text-muted); }
.fc-done-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ============================================================
   INK UNIFIED DESIGN SYSTEM — v24
   ============================================================ */

/* ── Page wrapper ── */
.ink-page { background: var(--ink-paper); min-height: 100%; padding: 22px 28px 40px; }

/* ── Cards ── */
.ink-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px 20px; }

/* ── Card header ── */
.ink-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.ink-card-head-title { font-size: 10.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }

/* ── Section heading ── */
.ink-sec-head {
  font-family: 'Playfair Display','Noto Serif KR',serif;
  font-size: 22px; color: var(--text); line-height: 1;
  display: flex; align-items: baseline; gap: 10px;
  margin: 24px 0 14px;
}
.ink-sec-sub { font-size: 12px; color: var(--text-muted); }
.ink-sec-action { font-size: 12px; color: var(--ink-violet); font-weight: 600; cursor: pointer; margin-left: auto; text-decoration: none; }

/* ── Dashboard greeting ── */
.ink-dash-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.ink-dash-greeting { font-family: 'Playfair Display','Noto Serif KR',serif; font-size: 28px; line-height: 1.15; color: var(--text); margin-top: 4px; }
.ink-mono { font-family: var(--font-mono-ink); }

/* ── Timeline (horizontal) ── */
.ink-tl-hours { position: relative; height: 16px; margin-bottom: 4px; }
.ink-tl-h { position: absolute; transform: translateX(-50%); font-size: 10px; color: var(--text-muted); font-family: var(--font-mono-ink); }
.ink-tl-bar {
  position: relative; height: 72px; border-radius: 10px;
  background: var(--surface2); overflow: hidden;
}
.ink-tl-ev {
  position: absolute; top: 8px; bottom: 8px; border-radius: 6px;
  padding: 6px 8px; overflow: hidden; min-width: 40px;
}
.ink-tl-ev-name { font-size: 11px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ink-tl-ev-time { font-size: 9px; color: var(--text-muted); font-family: var(--font-mono-ink); margin-top: 2px; }
.ink-tl-now { position: absolute; top: 0; bottom: 0; width: 1.5px; background: var(--ink-pink); }
.ink-tl-now-dot { position: absolute; top: -3px; left: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--ink-pink); }
.ink-tl-now-label { position: absolute; top: -18px; left: -14px; font-size: 9px; font-weight: 700; color: var(--ink-pink); font-family: var(--font-mono-ink); }

/* ── Course card grid ── */
.ink-cc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.ink-cc-add {
  border-radius: 14px; border: 1.5px dashed var(--border-dark); min-height: 140px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  color: var(--text-muted); font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: .15s;
}
.ink-cc-add:hover { border-color: var(--ink-violet); color: var(--ink-violet); }

/* ── Course card ── */
.ink-cc {
  border-radius: 14px; background: var(--surface); border: 1px solid var(--border);
  overflow: hidden; display: flex; flex-direction: column; cursor: pointer;
  transition: box-shadow .18s, transform .15s;
}
.ink-cc:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ink-cc-head { height: 54px; padding: 0 14px; display: flex; align-items: center; gap: 10px; }
.ink-cc-spine { width: 20px; height: 28px; border-radius: 3px; flex-shrink: 0; box-shadow: inset 0 -2px 0 rgba(0,0,0,.18); }
.ink-cc-label { line-height: 1.1; flex: 1; min-width: 0; overflow: hidden; }
.ink-cc-code { font-family: var(--font-mono-ink); font-size: 10px; font-weight: 700; letter-spacing: .06em; opacity: .65; }
.ink-cc-name { font-size: 13.5px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ink-cc-grade { padding: 3px 7px; border-radius: 4px; background: var(--surface2); border: 1px solid var(--border); font-size: 10px; font-weight: 700; color: var(--text-muted); flex-shrink: 0; }
.ink-cc-unread { padding: 2px 6px; border-radius: 999px; background: var(--ink-pink); color: white; font-size: 10px; font-weight: 700; flex-shrink: 0; }
.ink-cc-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 10px; }

/* ── Progress bar ── */
.ink-prog-meta { display: flex; justify-content: space-between; font-size: 10px; color: var(--text-muted); margin-bottom: 4px; }
.ink-prog-track { height: 4px; border-radius: 2px; background: var(--surface2); overflow: hidden; }
.ink-prog-fill { height: 100%; border-radius: 2px; }

/* ── Next class ── */
.ink-cc-next { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; background: var(--surface2); }
.ink-cc-next-info { line-height: 1.15; flex: 1; min-width: 0; }
.ink-cc-next-when { font-size: 11px; color: var(--text-muted); }
.ink-cc-next-label { font-size: 12px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── D- chip ── */
.ink-d-chip { padding: 2px 7px; border-radius: 4px; font-weight: 700; font-size: 10px; flex-shrink: 0; font-family: var(--font-mono-ink); }
.ink-d-chip-urgent { background: var(--ink-pink-soft); color: #9a2657; }
.ink-d-chip-ok { background: var(--surface2); color: var(--text-muted); }
.ink-cc-due { display: flex; align-items: center; gap: 8px; font-size: 11.5px; }
.ink-cc-nodue { font-size: 11.5px; color: var(--text-muted); }

/* ── Due list rows ── */
.ink-due-row { display: flex; align-items: center; gap: 12px; padding: 11px 8px; border-radius: 10px; border-bottom: 1px solid var(--border); }
.ink-due-row:last-child { border-bottom: none; padding-bottom: 0; }
.ink-due-d { width: 42px; height: 42px; border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; flex-shrink: 0; }
.ink-due-d.urgent { background: var(--ink-pink-soft); color: #9a2657; }
.ink-due-d.normal { background: var(--surface2); color: var(--text); }
.ink-due-dlabel { font-size: 9px; font-weight: 700; letter-spacing: .04em; }
.ink-due-dnum { font-family: var(--font-mono-ink); font-size: 16px; font-weight: 700; line-height: 1; }
.ink-due-info { flex: 1; min-width: 0; }
.ink-due-meta { display: flex; align-items: center; gap: 5px; margin-bottom: 2px; }
.ink-due-strip { width: 5px; height: 12px; border-radius: 1px; flex-shrink: 0; display: inline-block; }
.ink-due-course { font-size: 10px; font-weight: 700; color: var(--text-muted); font-family: var(--font-mono-ink); }
.ink-due-name { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ink-due-when { font-size: 11px; color: var(--text-muted); margin-top: 2px; font-family: var(--font-mono-ink); }

/* ── Todo rows ── */
.ink-todo-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.ink-todo-row:last-child { border-bottom: none; }
.ink-todo-check { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--border-dark); cursor: pointer; flex-shrink: 0; transition: .15s; }
.ink-todo-check.done { background: var(--ink-mint); border-color: var(--ink-mint); }
.ink-todo-check.done::after { content: '✓'; display: flex; align-items: center; justify-content: center; font-size: 10px; color: white; width: 100%; height: 100%; }
.ink-todo-title { font-size: 13px; color: var(--text); flex: 1; }
.ink-todo-title.done { text-decoration: line-through; color: var(--text-muted); }

/* ── Two-column layout ── */
.ink-two-col { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; margin-top: 16px; }

/* ── Calendar ── */
.ink-cal-wrap { background: var(--ink-paper); min-height: 100%; padding: 20px 24px 40px; }
.ink-cal-nav { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.ink-cal-month { font-family: 'Playfair Display','Noto Serif KR',serif; font-size: 26px; color: var(--text); flex: 1; }
.ink-cal-nav-btn { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: .15s; }
.ink-cal-nav-btn:hover { background: var(--surface2); }
.ink-cal-today-btn { padding: 6px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); font-size: 12px; font-weight: 600; color: var(--text); cursor: pointer; transition: .15s; }
.ink-cal-today-btn:hover { background: var(--surface2); }
.ink-cal-add-btn { padding: 8px 14px; border-radius: 10px; border: none; background: var(--text); color: var(--bg); font-size: 12px; font-weight: 700; cursor: pointer; transition: opacity .15s; }
.ink-cal-add-btn:hover { opacity: .85; }

.ink-cal-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 3px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 14px; }
.ink-cal-dow { text-align: center; font-size: 11px; font-weight: 700; color: var(--text-muted); padding-bottom: 8px; font-family: var(--font-mono-ink); letter-spacing: .04em; }
.ink-cal-dow.sat,.ink-cal-dow.sun { color: var(--ink-pink); }

.ink-cal-day { border-radius: 8px; display: flex; flex-direction: column; align-items: center; padding: 6px 2px 5px; cursor: pointer; transition: background .12s; min-height: 52px; }
.ink-cal-day:hover { background: var(--surface2); }
.ink-cal-day.other { opacity: .3; cursor: default; }
.ink-cal-day.today .ink-cal-daynum { background: var(--text); color: var(--bg); border-radius: 50%; }
.ink-cal-day.selected { background: var(--surface2); box-shadow: inset 0 0 0 1.5px var(--ink-violet); }
.ink-cal-day.sat .ink-cal-daynum { color: var(--ink-pink); }
.ink-cal-day.sun .ink-cal-daynum { color: var(--ink-pink); }
.ink-cal-daynum { width: 26px; height: 26px; font-size: 13px; font-weight: 600; color: var(--text); display: flex; align-items: center; justify-content: center; }
.ink-cal-dots { display: flex; gap: 2px; flex-wrap: wrap; justify-content: center; margin-top: 3px; }
.ink-cal-dot { width: 5px; height: 5px; border-radius: 50%; }

/* Day timeline */
.ink-day-panel { margin-top: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px 20px; }
.ink-day-panel-head { font-family: 'Playfair Display','Noto Serif KR',serif; font-size: 20px; color: var(--text); margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.ink-hr { display: flex; border-bottom: 1px solid var(--border); min-height: 52px; cursor: pointer; }
.ink-hr:hover { background: var(--surface2); }
.ink-hr-label { width: 52px; padding: 14px 8px 0 0; text-align: right; font-family: var(--font-mono-ink); font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.ink-hr-content { flex: 1; padding: 6px 6px 6px 10px; position: relative; }
.ink-hr-hint { font-size: 11px; color: var(--border-dark); padding: 10px 0; }
.ink-hev { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; margin-bottom: 4px; cursor: pointer; }
.ink-hev-time { font-family: var(--font-mono-ink); font-size: 10px; color: rgba(255,255,255,.8); flex-shrink: 0; }
.ink-hev-title { font-size: 12.5px; font-weight: 700; color: white; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ink-hev-del { background: rgba(0,0,0,.25); border: none; color: rgba(255,255,255,.8); border-radius: 4px; width: 18px; height: 18px; font-size: 9px; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* Classes list */
.ink-classes-wrap { background: var(--ink-paper); min-height: 100%; padding: 22px 28px 40px; }
.ink-classes-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.ink-classes-title { font-family: 'Playfair Display','Noto Serif KR',serif; font-size: 30px; color: var(--text); line-height: 1; }
.ink-classes-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Responsive adjustments */
@media (max-width: 900px) {
  .ink-two-col { grid-template-columns: 1fr; }
  .ink-cc-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .ink-page { padding: 14px 16px 30px; }
  .ink-dash-greeting { font-size: 20px; }
  .ink-cc-grid { grid-template-columns: 1fr; }
  .ink-cal-wrap { padding: 14px 16px 30px; }
  .ink-classes-wrap { padding: 14px 16px 30px; }
}

/* ============================================================
   INK DESIGN — Template Gallery
   ============================================================ */
.tg-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
}
.tg-overlay.hidden { display: none; }
.tg-panel {
  background: var(--surface); border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
  width: min(700px, 95vw); max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.tg-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px 14px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.tg-title { font-family: 'Noto Serif KR',serif; font-size: 17px; font-weight: 700; color: var(--text); }
.tg-close {
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface2); color: var(--text-muted);
  font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: .15s;
}
.tg-close:hover { background: var(--surface); color: var(--text); border-color: var(--border-dark); }
.tg-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; padding: 20px 22px 24px; overflow-y: auto;
}
.tg-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); border-radius: 12px;
  background: var(--bg); cursor: pointer; padding: 10px 8px 12px;
  transition: box-shadow .18s, border-color .18s, transform .15s;
}
.tg-card:hover {
  box-shadow: 0 4px 18px rgba(0,0,0,.13);
  border-color: var(--ink-violet); transform: translateY(-3px);
}
.tg-preview {
  width: 100%; aspect-ratio: 3/4; border-radius: 7px;
  border: 1px solid var(--border); overflow: hidden; flex-shrink: 0;
}
.tg-name { font-size: 11.5px; font-weight: 600; color: var(--text-muted); text-align: center; }

/* Preview thumbnails via CSS */
.tg-prev-blank { background: #fff; }
.tg-prev-lined {
  background: repeating-linear-gradient(to bottom, transparent, transparent 19px, #ddd 19px, #ddd 20px);
}
.tg-prev-grid {
  background:
    repeating-linear-gradient(to bottom, transparent, transparent 19px, #ddd 19px, #ddd 20px),
    repeating-linear-gradient(to right,  transparent, transparent 19px, #ddd 19px, #ddd 20px);
}
.tg-prev-dotted {
  background-image: radial-gradient(circle, #bbb 1px, transparent 1px);
  background-size: 20px 20px;
}
.tg-prev-cornell {
  background: #faf7f0;
  border-left: 6px solid #e87c7c;
  position: relative;
}
.tg-prev-cornell::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: 22%;
  height: 1.5px; background: #e87c7c;
}
.tg-prev-daily {
  background: linear-gradient(to bottom, #ede8de 18%, #faf7f0 18%);
  position: relative;
}
.tg-prev-daily::after {
  content: '';
  position: absolute; inset: 18% 0 0 18%;
  background: repeating-linear-gradient(to bottom, transparent, transparent 13%, rgba(0,0,0,.08) 13%, rgba(0,0,0,.08) 14%);
}
.tg-prev-weekly {
  background: linear-gradient(to bottom, #ede8de 20%, #faf7f0 20%);
  background-image:
    linear-gradient(to bottom, #ede8de 20%, #faf7f0 20%),
    repeating-linear-gradient(to right, transparent, transparent calc(100%/7 - 1px), #d8d0c0 calc(100%/7 - 1px), #d8d0c0 calc(100%/7));
  background-size: 100% 100%, 100% 100%;
}
.tg-prev-mindmap {
  background: #faf7f0;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.tg-prev-mindmap::before {
  content: ''; position: absolute;
  width: 30%; aspect-ratio: 2;
  border: 1.5px solid #c8bfaf; border-radius: 50%;
}
.tg-prev-meeting {
  background: linear-gradient(to bottom, #ede8de 28%, #faf7f0 28%);
}
.tg-prev-reading {
  background: #faf7f0;
  border-left: 4px solid rgba(232,124,124,.4);
  border-right: 4px solid rgba(232,124,124,.4);
}
.tg-prev-music {
  background: #faf7f0;
  background-image:
    linear-gradient(to bottom, #ede8de 12%, transparent 12%),
    repeating-linear-gradient(to bottom,
      transparent 0px,
      transparent 5px,
      #c8bfaf 5px,
      #c8bfaf 6px,
      transparent 6px,
      transparent 10px,
      #c8bfaf 10px, #c8bfaf 11px,
      transparent 11px, transparent 15px,
      #c8bfaf 15px, #c8bfaf 16px,
      transparent 16px, transparent 20px,
      #c8bfaf 20px, #c8bfaf 21px,
      transparent 21px, transparent 25px,
      #c8bfaf 25px, #c8bfaf 26px,
      transparent 26px, transparent 46px
    );
  background-position: top, 0 16%;
}
.tg-prev-habit {
  background: #faf7f0;
  border-top: 8px solid #ede8de;
  background-image:
    repeating-linear-gradient(to bottom, transparent, transparent 16px, #d8d0c0 16px, #d8d0c0 17px),
    linear-gradient(to right, #d8d0c0 25%, transparent 25%);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .shelf-topbar { padding: 12px 16px; }
  .shelf-body { padding: 12px 16px 20px; }
  .shelf-filters { padding: 8px 16px 4px; }
  .fc-wrap { padding: 14px 16px 30px; }
  .fc-rate-btns { grid-template-columns: repeat(2, 1fr); }
  .fc-shadow-card, .fc-main-card { width: 90vw; }
  .dash-wrap { padding: 14px 16px 30px; }
  .dash-course-grid { grid-template-columns: 1fr 1fr; }
  .tl-bar { height: 50px; }
  .tg-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px 14px 18px; }
}

/* ===== Pomodoro Timer ===== */
.tmr-wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.tmr-modes {
  display: flex;
  gap: 8px;
  background: var(--surface2);
  border-radius: 12px;
  padding: 5px;
}
.tmr-mode-btn {
  padding: 8px 16px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.tmr-mode-btn:hover { background: var(--surface); color: var(--text); }
.tmr-mode-btn.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.tmr-ring-wrap {
  position: relative;
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}
.tmr-ring-svg {
  width: 200px;
  height: 200px;
  transform: rotate(-90deg);
}
.tmr-ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}
.tmr-ring-fg {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.9s linear, stroke 0.3s;
}
.tmr-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.tmr-display {
  font-family: var(--font-mono-ink);
  font-size: 42px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}
.tmr-mode-lbl {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tmr-dots {
  display: flex;
  gap: 8px;
}
.tmr-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--transition);
}
.tmr-dot.filled { background: var(--ink-pink); }
.tmr-dots-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: -12px;
}
.tmr-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}
.tmr-ctrl-btn {
  padding: 11px 28px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  transition: background var(--transition), transform .1s;
}
.tmr-ctrl-btn:active { transform: scale(.97); }
.tmr-ctrl-btn.primary  { background: var(--primary); color: white; }
.tmr-ctrl-btn.primary:hover  { background: var(--primary-dark); }
.tmr-ctrl-btn.warning  { background: var(--warning); color: white; }
.tmr-ctrl-btn.warning:hover  { background: #b87a0e; }
.tmr-ctrl-btn.secondary { background: var(--surface2); color: var(--text); }
.tmr-ctrl-btn.secondary:hover { background: var(--border); }
.tmr-class-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 340px;
}
.tmr-class-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}
.tmr-class-sel {
  flex: 1;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}
.tmr-stats {
  display: flex;
  gap: 16px;
  width: 100%;
  max-width: 360px;
}
.tmr-stat {
  flex: 1;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 12px;
  text-align: center;
}
.tmr-stat-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono-ink);
}
.tmr-stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ===== Grade Tracker ===== */
.grades-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}
.grades-class-sel {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  min-width: 160px;
}
.grade-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
}
.grade-letter-badge {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 3px solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  font-family: 'Noto Serif KR', serif;
  flex-shrink: 0;
}
.grade-summary-info { flex: 1; min-width: 0; }
.grade-avg-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono-ink);
}
.grade-avg-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}
.grade-weight-warn {
  background: rgba(208,141,16,.1);
  border: 1px solid rgba(208,141,16,.3);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 12px;
  color: var(--warning);
  margin-bottom: 14px;
}
.grade-cats { display: flex; flex-direction: column; gap: 12px; }
.grade-cat {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.grade-cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.grade-cat-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
.grade-cat-name { font-size: 14px; font-weight: 700; color: var(--text); }
.grade-cat-weight {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text-muted);
  font-family: var(--font-mono-ink);
  white-space: nowrap;
}
.grade-cat-avg {
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font-mono-ink);
  color: var(--text-muted);
  min-width: 52px;
  text-align: right;
}
.grade-cat-avg.grade-a { color: #0a9e74; }
.grade-cat-avg.grade-b { color: #1a6aad; }
.grade-cat-avg.grade-c { color: #d08d10; }
.grade-cat-avg.grade-f { color: #d63848; }
.grade-entries { padding: 8px 16px 12px; display: flex; flex-direction: column; gap: 6px; }
.grade-entries-empty {
  padding: 10px 16px 14px;
  font-size: 12px;
  color: var(--text-muted);
}
.grade-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}
.grade-entry-name {
  font-size: 13px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.grade-entry-bar-wrap {
  flex: 1;
  max-width: 120px;
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.grade-entry-bar {
  height: 100%;
  border-radius: 3px;
  transition: width .4s;
}
.grade-entry-score {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono-ink);
  color: var(--text-muted);
  white-space: nowrap;
}
.grade-entry-pct { font-size: 11px; opacity: .7; }
.grade-entry-score.grade-a { color: #0a9e74; }
.grade-entry-score.grade-b { color: #1a6aad; }
.grade-entry-score.grade-c { color: #d08d10; }
.grade-entry-score.grade-f { color: #d63848; }
.btn-icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.btn-icon:hover { background: var(--border); color: var(--text); }
.btn-icon.danger:hover { background: rgba(214,56,72,.15); color: var(--danger); }

@media (max-width: 540px) {
  .tmr-modes { flex-wrap: wrap; justify-content: center; }
  .tmr-stats { gap: 8px; }
  .grade-entry-bar-wrap { display: none; }
  .grade-summary { padding: 14px; }
}

/* ===== Vocab Tab ===== */
.vocab-app { font-family: 'Noto Sans KR', sans-serif; }

.vocab-app .v-page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; gap:12px; flex-wrap:wrap; }
.vocab-app .v-page-title { font-size:1.5rem; font-weight:800; color:var(--text); }
.vocab-app .v-page-sub { font-size:0.82rem; color:var(--text-muted); margin-top:2px; }
.vocab-app .v-page-actions { display:flex; align-items:center; gap:8px; }
.vocab-app .v-breadcrumb { display:flex; align-items:center; gap:6px; font-size:0.82rem; color:var(--text-muted); flex:1; min-width:0; }
.vocab-app .v-breadcrumb-sep { color:var(--border-dark); }
.vocab-app .v-breadcrumb-cur { font-weight:600; color:var(--text); }

/* Buttons */
.vocab-app .btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:9px 20px; border-radius:var(--radius-sm); font-size:0.88rem; font-weight:600; cursor:pointer; border:1.5px solid transparent; transition:all var(--transition); white-space:nowrap; font-family:inherit; }
.vocab-app .btn:disabled { opacity:0.45; cursor:not-allowed; }
.vocab-app .btn-primary { background:var(--primary); color:#fff; border-color:var(--primary); }
.vocab-app .btn-primary:hover:not(:disabled) { background:var(--primary-dark); border-color:var(--primary-dark); }
.vocab-app .btn-outline { background:transparent; color:var(--primary); border-color:var(--primary); }
.vocab-app .btn-outline:hover:not(:disabled) { background:rgba(27,61,110,.06); }
.vocab-app .btn-ghost { background:transparent; color:var(--text-muted); border-color:var(--border); }
.vocab-app .btn-ghost:hover:not(:disabled) { background:var(--surface2); color:var(--text); }
.vocab-app .btn-danger { background:var(--danger); color:#fff; border-color:var(--danger); }
.vocab-app .btn-danger:hover:not(:disabled) { opacity:.88; }
.vocab-app .btn-sm { padding:6px 13px; font-size:0.8rem; }
.vocab-app .btn-icon { background:none; border:none; cursor:pointer; padding:5px 7px; border-radius:var(--radius-sm); font-size:1rem; transition:background var(--transition); color:var(--text-muted); }
.vocab-app .btn-icon:hover { background:var(--surface2); color:var(--text); }

/* Search */
.vocab-app .v-search-wrap { position:relative; max-width:480px; margin-bottom:20px; }
.vocab-app .v-search-icon { position:absolute; left:12px; top:50%; transform:translateY(-50%); pointer-events:none; color:var(--text-muted); font-size:0.9rem; }
.vocab-app .v-search-input { width:100%; padding:9px 14px 9px 36px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-size:0.9rem; background:var(--surface); color:var(--text); outline:none; transition:border-color var(--transition); font-family:inherit; }
.vocab-app .v-search-input:focus { border-color:var(--primary); }

/* Set cards */
.vocab-app .v-sets-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(270px, 1fr)); gap:14px; }
.vocab-app .v-set-card { background:var(--surface); border:1.5px solid var(--border); border-radius:var(--radius); padding:20px; cursor:pointer; transition:all var(--transition); position:relative; box-shadow:var(--shadow); }
.vocab-app .v-set-card:hover { border-color:var(--primary); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.vocab-app .v-set-card-actions { position:absolute; top:11px; right:11px; display:flex; gap:3px; opacity:0; transition:opacity var(--transition); }
.vocab-app .v-set-card:hover .v-set-card-actions { opacity:1; }
.vocab-app .v-set-card-title { font-size:1rem; font-weight:700; margin-bottom:5px; margin-right:56px; color:var(--text); }
.vocab-app .v-set-card-desc { font-size:0.79rem; color:var(--text-muted); margin-bottom:10px; }
.vocab-app .v-set-card-count { font-size:0.77rem; background:rgba(27,61,110,.09); color:var(--primary); padding:3px 10px; border-radius:20px; font-weight:600; display:inline-block; }
[data-theme="dark"] .vocab-app .v-set-card-count { background:rgba(91,138,184,.18); }
.vocab-app .v-set-card-date { font-size:0.71rem; color:var(--text-light); margin-top:7px; }

/* Empty state */
.vocab-app .v-empty { text-align:center; padding:52px 20px; }
.vocab-app .v-empty-icon { font-size:2.6rem; margin-bottom:12px; }
.vocab-app .v-empty h3 { font-size:1.05rem; color:var(--text); margin-bottom:6px; }
.vocab-app .v-empty p { color:var(--text-muted); font-size:0.86rem; margin-bottom:16px; }

/* Progress bar */
.vocab-app .v-progress-wrap { height:5px; background:var(--border); border-radius:3px; overflow:hidden; margin-bottom:5px; }
.vocab-app .v-progress-fill { height:100%; background:var(--primary); border-radius:3px; transition:width .4s ease; }
.vocab-app .v-progress-label { font-size:0.77rem; color:var(--text-muted); text-align:right; margin-bottom:16px; }

/* Toggle buttons */
.vocab-app .v-toggle { padding:6px 14px; background:var(--surface); border:1.5px solid var(--border); border-radius:20px; font-size:0.79rem; font-weight:600; cursor:pointer; transition:all var(--transition); color:var(--text-muted); font-family:inherit; }
.vocab-app .v-toggle:hover { border-color:var(--primary); color:var(--primary); }
.vocab-app .v-toggle.active { background:var(--primary); border-color:var(--primary); color:#fff; }
.vocab-app .v-fc-counter { font-size:0.84rem; font-weight:600; color:var(--text-muted); background:var(--surface2); padding:4px 12px; border-radius:20px; border:1px solid var(--border); white-space:nowrap; }

/* Study modes */
.vocab-app .v-study-modes { display:grid; grid-template-columns:repeat(auto-fit, minmax(150px, 1fr)); gap:10px; margin-bottom:28px; }
.vocab-app .v-mode-btn { display:flex; flex-direction:column; align-items:center; gap:7px; padding:18px 12px; background:var(--surface); border:1.5px solid var(--border); border-radius:var(--radius); cursor:pointer; transition:all var(--transition); text-align:center; box-shadow:var(--shadow); font-family:inherit; }
.vocab-app .v-mode-btn:hover:not(:disabled) { border-color:var(--primary); background:rgba(27,61,110,.04); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.vocab-app .v-mode-btn:disabled { opacity:.45; cursor:not-allowed; }
.vocab-app .v-mode-icon { font-size:1.6rem; }
.vocab-app .v-mode-label { font-size:0.86rem; font-weight:700; color:var(--text); }
.vocab-app .v-mode-desc { font-size:0.71rem; color:var(--text-muted); }

/* Range selector */
.vocab-app .v-range-section { background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius); padding:14px 16px; margin-bottom:16px; }
.vocab-app .v-range-label { font-size:12px; font-weight:700; color:var(--text-muted); margin-bottom:10px; text-transform:uppercase; letter-spacing:.05em; }
.vocab-app .v-range-chips { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:10px; }
.vocab-app .v-range-chip { font-size:12px; font-weight:600; padding:5px 12px; border-radius:20px; border:1px solid var(--border); background:var(--surface); color:var(--text-muted); cursor:pointer; transition:all .15s; }
.vocab-app .v-range-chip:hover { border-color:var(--primary); color:var(--primary); }
.vocab-app .v-range-chip.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.vocab-app .v-range-info { font-size:12px; color:var(--text-muted); }
.vocab-app .v-range-info strong { color:var(--primary); }

/* Vocab card list */
.vocab-app .v-word-card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm); padding:13px 16px; display:flex; align-items:center; gap:14px; margin-bottom:7px; transition:all var(--transition); }
.vocab-app .v-word-card:hover { border-color:var(--primary); box-shadow:var(--shadow); }
.vocab-app .v-word-card-dimmed { opacity:.35; }
.vocab-app .v-word-num { font-size:11px; font-weight:700; color:var(--text-muted); min-width:22px; text-align:center; flex-shrink:0; background:var(--surface2); border-radius:4px; padding:2px 5px; }
.vocab-app .v-star-btn { background:none; border:none; cursor:pointer; font-size:1.1rem; color:var(--border-dark); padding:0; transition:color var(--transition); flex-shrink:0; }
.vocab-app .v-star-btn.starred { color:var(--secondary); }
.vocab-app .v-star-btn:hover { color:var(--secondary); }
.vocab-app .v-word-term { font-weight:600; min-width:130px; flex:1; color:var(--text); font-size:0.89rem; }
.vocab-app .v-word-divider { width:1px; height:26px; background:var(--border); flex-shrink:0; }
.vocab-app .v-word-def { color:var(--text-muted); flex:2; font-size:0.86rem; }
.vocab-app .v-word-src { flex-shrink:0; font-size:0.7rem; color:var(--text-muted); background:var(--surface2); border:1px solid var(--border); border-radius:10px; padding:2px 8px; white-space:nowrap; }
.vocab-app .v-set-card-starred { border:1.5px solid var(--secondary); background:linear-gradient(135deg, rgba(245,183,49,.12), rgba(245,183,49,.03)); }
.vocab-app .v-set-card-starred .v-set-card-title { color:var(--secondary); }
.vocab-app .v-set-card-starred .v-set-card-date { color:var(--secondary); font-weight:600; }
.vocab-app .v-starred-banner { display:flex; align-items:center; gap:14px; padding:16px 18px; margin-bottom:16px; cursor:pointer; border:1.5px solid var(--secondary); border-radius:var(--radius-lg); background:linear-gradient(135deg, rgba(245,183,49,.12), rgba(245,183,49,.03)); transition:all var(--transition); }
.vocab-app .v-starred-banner:hover { transform:translateY(-1px); box-shadow:0 4px 14px rgba(245,183,49,.25); }
.vocab-app .v-starred-banner-icon { font-size:1.7rem; flex-shrink:0; }
.vocab-app .v-starred-banner-text { flex:1; }
.vocab-app .v-starred-banner-title { font-weight:700; color:var(--text); font-size:0.98rem; }
.vocab-app .v-starred-banner-sub { font-size:0.8rem; color:var(--text-muted); margin-top:2px; }
.vocab-app .v-starred-banner-arrow { font-size:1.2rem; color:var(--secondary); flex-shrink:0; }

/* Flashcard */
.vocab-app .v-fc-scene { perspective:1200px; margin:0 auto 20px; max-width:580px; }
.vocab-app .v-fc-inner { position:relative; width:100%; height:440px; transform-style:preserve-3d; transition:transform .5s ease; cursor:pointer; }
.vocab-app .v-fc-inner.flipped { transform:rotateX(180deg); }
.vocab-app .v-fc-front, .vocab-app .v-fc-back { position:absolute; width:100%; height:100%; backface-visibility:hidden; background:var(--surface); border:2px solid var(--border); border-radius:var(--radius-lg); display:flex; flex-direction:column; align-items:center; justify-content:center; padding:44px; box-shadow:var(--shadow-md); user-select:none; }
.vocab-app .v-fc-back { transform:rotateX(180deg); background:rgba(27,61,110,.05); border-color:var(--primary); }
[data-theme="dark"] .vocab-app .v-fc-back { background:rgba(27,61,110,.22); }
.vocab-app .v-fc-side-label { font-size:0.8rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); font-weight:700; margin-bottom:14px; }
.vocab-app .v-fc-text { font-size:2.4rem; font-weight:700; text-align:center; line-height:1.35; color:var(--text); }
.vocab-app .v-fc-back .v-fc-text { color:var(--primary); }
[data-theme="dark"] .vocab-app .v-fc-back .v-fc-text { color:var(--primary-light); }
.vocab-app .v-fc-hint { font-size:0.71rem; color:var(--text-light); margin-top:12px; }
.vocab-app .v-fc-star-btn { position:absolute; top:12px; right:12px; background:none; border:none; cursor:pointer; font-size:1.25rem; color:var(--border-dark); z-index:2; padding:4px; transition:color var(--transition); }
.vocab-app .v-fc-star-btn.starred { color:var(--secondary); }
.vocab-app .v-fc-star-btn:hover { color:var(--secondary); }
.vocab-app .v-kbd { display:inline-block; padding:1px 6px; background:var(--surface2); border:1px solid var(--border); border-radius:4px; font-size:0.71rem; font-family:monospace; color:var(--text-muted); }
.vocab-app .v-fc-nav { display:flex; align-items:center; justify-content:center; gap:12px; margin-bottom:12px; }
.vocab-app .v-fc-nav-btn { width:42px; height:42px; border-radius:50%; background:var(--surface); border:1.5px solid var(--border); cursor:pointer; font-size:1.05rem; transition:all var(--transition); display:flex; align-items:center; justify-content:center; color:var(--text-muted); }
.vocab-app .v-fc-nav-btn:hover:not(:disabled) { border-color:var(--primary); color:var(--primary); }
.vocab-app .v-fc-nav-btn:disabled { opacity:.3; cursor:not-allowed; }
.vocab-app .v-fc-flip-btn { padding:9px 22px; background:var(--primary); color:#fff; border:none; border-radius:24px; font-weight:700; cursor:pointer; font-size:0.86rem; transition:background var(--transition); font-family:inherit; }
.vocab-app .v-fc-flip-btn:hover { background:var(--primary-dark); }
.vocab-app .v-fc-options { display:flex; gap:8px; flex-wrap:wrap; justify-content:center; }
.vocab-app .v-kb-hints { text-align:center; font-size:0.75rem; color:var(--text-light); }

/* Learn mode */
.vocab-app .v-round-badge { display:inline-block; background:rgba(27,61,110,.09); color:var(--primary); font-size:0.79rem; font-weight:700; padding:4px 14px; border-radius:20px; margin-bottom:13px; }
[data-theme="dark"] .vocab-app .v-round-badge { background:rgba(27,61,110,.3); color:var(--primary-light); }
.vocab-app .v-question-card { position:relative; background:var(--surface); border:2px solid var(--border); border-radius:var(--radius-lg); padding:26px; margin-bottom:16px; text-align:center; }
.vocab-app .v-question-type { font-size:0.73rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); font-weight:700; margin-bottom:9px; }
.vocab-app .v-question-text { font-size:1.25rem; font-weight:700; color:var(--text); line-height:1.3; }
.vocab-app .v-mc-options { display:flex; flex-direction:column; gap:8px; }
.vocab-app .v-mc-btn { width:100%; padding:12px 16px; background:var(--surface); border:1.5px solid var(--border); border-radius:var(--radius-sm); text-align:left; cursor:pointer; font-size:0.88rem; font-weight:600; transition:all var(--transition); color:var(--text); font-family:inherit; }
.vocab-app .v-mc-btn:hover:not(.disabled) { border-color:var(--primary); background:rgba(27,61,110,.05); }
.vocab-app .v-mc-btn.correct { background:rgba(10,158,116,.1); border-color:var(--success); color:var(--success); }
.vocab-app .v-mc-btn.incorrect { background:rgba(214,56,72,.09); border-color:var(--danger); color:var(--danger); }
.vocab-app .v-mc-btn.reveal-correct { background:rgba(10,158,116,.07); border-color:var(--success); }
.vocab-app .v-mc-btn.disabled { pointer-events:none; opacity:.7; }
.vocab-app .v-written-input { width:100%; padding:12px 15px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-size:0.93rem; font-family:inherit; outline:none; transition:border-color var(--transition); background:var(--surface); color:var(--text); }
.vocab-app .v-written-input:focus { border-color:var(--primary); }
.vocab-app .v-written-input.correct { border-color:var(--success); background:rgba(10,158,116,.07); }
.vocab-app .v-written-input.incorrect { border-color:var(--danger); background:rgba(214,56,72,.06); }
.vocab-app .v-feedback { display:none; padding:11px 15px; border-radius:var(--radius-sm); font-weight:600; font-size:0.86rem; margin-top:10px; }
.vocab-app .v-feedback.show { display:block; }
.vocab-app .v-feedback.correct { background:rgba(10,158,116,.1); color:var(--success); }
.vocab-app .v-feedback.incorrect { background:rgba(214,56,72,.09); color:var(--danger); }

/* Form */
.vocab-app .v-form-group { margin-bottom:13px; }
.vocab-app .v-form-group:last-child { margin-bottom:0; }
.vocab-app .v-form-label { display:block; font-size:0.78rem; font-weight:600; color:var(--text-muted); margin-bottom:5px; text-transform:uppercase; letter-spacing:.5px; }
.vocab-app .v-form-input, .vocab-app .v-form-textarea { width:100%; padding:9px 12px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-size:0.89rem; font-family:inherit; background:var(--surface); color:var(--text); outline:none; transition:border-color var(--transition); }
.vocab-app .v-form-input:focus, .vocab-app .v-form-textarea:focus { border-color:var(--primary); }
.vocab-app .v-form-textarea { resize:vertical; min-height:90px; }
.vocab-app .v-form-hint { font-size:0.75rem; color:var(--text-muted); margin-top:3px; }
.vocab-app .v-meta-box { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:18px; }

/* Card editor */
.vocab-app .v-cards-editor { display:flex; flex-direction:column; gap:9px; }
.vocab-app .v-card-item { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm); padding:13px 16px; display:flex; align-items:center; gap:11px; transition:border-color var(--transition); }
.vocab-app .v-card-item:focus-within { border-color:var(--primary); }
.vocab-app .v-card-num { font-size:0.79rem; color:var(--text-muted); font-weight:600; min-width:20px; text-align:center; }
.vocab-app .v-card-fields { flex:1; }
.vocab-app .v-card-row { display:grid; grid-template-columns:1fr 1fr; gap:9px; }
.vocab-app .v-card-field { display:flex; flex-direction:column; gap:3px; }
.vocab-app .v-card-field-label { font-size:0.7rem; color:var(--text-muted); font-weight:600; text-transform:uppercase; letter-spacing:.4px; }
.vocab-app .v-card-input { padding:6px 9px; border:0; border-bottom:1.5px solid var(--border); font-size:0.87rem; font-family:inherit; background:transparent; color:var(--text); outline:none; transition:border-color var(--transition); }
.vocab-app .v-card-input:focus { border-color:var(--primary); }
.vocab-app .v-card-del { background:none; border:none; cursor:pointer; font-size:0.92rem; color:var(--border-dark); padding:4px; border-radius:var(--radius-sm); transition:all var(--transition); flex-shrink:0; }
.vocab-app .v-card-del:hover { color:var(--danger); background:rgba(214,56,72,.08); }
.vocab-app .v-add-card-btn { margin-top:9px; width:100%; padding:12px; background:var(--surface); border:1.5px dashed var(--border); border-radius:var(--radius-sm); cursor:pointer; font-size:0.87rem; font-weight:600; color:var(--primary); transition:all var(--transition); font-family:inherit; }
.vocab-app .v-add-card-btn:hover { border-color:var(--primary); background:rgba(27,61,110,.04); }
.vocab-app .v-edit-actions { display:flex; justify-content:flex-end; gap:10px; margin-top:26px; padding-top:16px; border-top:1px solid var(--border); }

/* Bulk import */
.vocab-app .v-bulk-section { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); margin-bottom:18px; overflow:hidden; }
.vocab-app .v-bulk-header { display:flex; align-items:center; justify-content:space-between; padding:13px 17px; cursor:pointer; user-select:none; }
.vocab-app .v-bulk-header:hover { background:var(--surface2); }
.vocab-app .v-bulk-header h3 { font-size:0.88rem; color:var(--text); }
.vocab-app .v-bulk-body { display:none; padding:0 17px 17px; }
.vocab-app .v-bulk-body.open { display:block; }

/* Results */
.vocab-app .v-results-card { background:var(--surface); border-radius:var(--radius-lg); padding:34px; text-align:center; box-shadow:var(--shadow-md); border:1px solid var(--border); margin-bottom:18px; }
.vocab-app .v-results-icon { font-size:2.6rem; margin-bottom:9px; }
.vocab-app .v-results-title { font-size:1.4rem; font-weight:800; margin-bottom:4px; color:var(--text); }
.vocab-app .v-results-sub { margin-bottom:20px; color:var(--text-muted); font-size:0.86rem; }
.vocab-app .v-results-score { display:flex; justify-content:center; gap:26px; margin-bottom:20px; }
.vocab-app .v-score-badge { display:flex; flex-direction:column; align-items:center; gap:3px; }
.vocab-app .v-score-val { font-size:1.75rem; font-weight:800; color:var(--primary); }
.vocab-app .v-score-label { font-size:0.7rem; text-transform:uppercase; letter-spacing:.5px; color:var(--text-muted); }
.vocab-app .v-results-actions { display:flex; justify-content:center; gap:10px; flex-wrap:wrap; }

/* Badges */
.vocab-app .v-badge-primary { background:rgba(27,61,110,.09); color:var(--primary); padding:3px 10px; border-radius:20px; font-size:0.77rem; font-weight:600; }
[data-theme="dark"] .vocab-app .v-badge-primary { background:rgba(91,138,184,.2); }
.vocab-app .v-badge-gold { background:rgba(201,168,76,.12); color:var(--secondary-dark); padding:3px 10px; border-radius:20px; font-size:0.77rem; font-weight:600; }
[data-theme="dark"] .vocab-app .v-badge-gold { color:var(--secondary-light); background:rgba(201,168,76,.18); }

/* Test */
.vocab-app .v-test-q { background:var(--surface); border:1.5px solid var(--border); border-radius:var(--radius-sm); padding:16px; margin-bottom:12px; transition:border-color var(--transition); }
.vocab-app .v-test-q-header { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
.vocab-app .v-test-q-num { width:24px; height:24px; background:var(--primary); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:0.76rem; font-weight:700; flex-shrink:0; }
.vocab-app .v-test-q-badge { font-size:0.69rem; background:var(--surface2); border:1px solid var(--border); padding:2px 7px; border-radius:9px; color:var(--text-muted); font-weight:600; }
.vocab-app .v-test-q-prompt { font-size:0.89rem; font-weight:700; margin-bottom:11px; line-height:1.4; color:var(--text); }
.vocab-app .v-test-mc-options { display:flex; flex-direction:column; gap:6px; }
.vocab-app .v-test-mc-btn { padding:8px 13px; background:var(--surface2); border:1.5px solid var(--border); border-radius:var(--radius-sm); text-align:left; cursor:pointer; font-size:0.84rem; font-weight:600; transition:all var(--transition); color:var(--text); font-family:inherit; }
.vocab-app .v-test-mc-btn:hover { border-color:var(--primary); background:rgba(27,61,110,.06); }
.vocab-app .v-test-mc-btn.selected { background:rgba(27,61,110,.09); border-color:var(--primary); color:var(--primary); }
.vocab-app .v-test-mc-btn.result-correct { background:rgba(10,158,116,.1); border-color:var(--success); color:var(--success); pointer-events:none; }
.vocab-app .v-test-mc-btn.result-incorrect { background:rgba(214,56,72,.09); border-color:var(--danger); color:var(--danger); pointer-events:none; }
.vocab-app .v-test-tf-options { display:flex; gap:8px; }
.vocab-app .v-test-tf-btn { flex:1; padding:9px; border:1.5px solid var(--border); background:var(--surface2); border-radius:var(--radius-sm); cursor:pointer; font-size:0.87rem; font-weight:700; transition:all var(--transition); color:var(--text); font-family:inherit; }
.vocab-app .v-test-tf-btn:hover { border-color:var(--primary); background:rgba(27,61,110,.06); }
.vocab-app .v-test-tf-btn.selected { background:rgba(27,61,110,.09); border-color:var(--primary); color:var(--primary); }
.vocab-app .v-test-tf-btn.result-correct { background:rgba(10,158,116,.1); border-color:var(--success); color:var(--success); pointer-events:none; }
.vocab-app .v-test-tf-btn.result-incorrect { background:rgba(214,56,72,.09); border-color:var(--danger); color:var(--danger); pointer-events:none; }
.vocab-app .v-test-input { width:100%; padding:8px 12px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-size:0.87rem; font-family:inherit; outline:none; transition:border-color var(--transition); background:var(--surface2); color:var(--text); }
.vocab-app .v-test-input:focus { border-color:var(--primary); background:var(--surface); }
.vocab-app .v-test-input.result-correct { border-color:var(--success); background:rgba(10,158,116,.07); }
.vocab-app .v-test-input.result-incorrect { border-color:var(--danger); background:rgba(214,56,72,.06); }
.vocab-app .v-test-reveal { display:none; margin-top:6px; font-size:0.81rem; color:var(--danger); font-weight:600; }
.vocab-app .v-test-reveal.show { display:block; }
.vocab-app .v-test-submit-bar { position:sticky; bottom:0; background:var(--surface); border-top:1px solid var(--border); padding:11px 0; z-index:50; }
.vocab-app .v-test-submit-inner { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.vocab-app .v-test-count-label { font-size:0.81rem; color:var(--text-muted); font-weight:600; }

/* Match game */
.vocab-app .v-match-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; padding:13px 16px; background:var(--surface); border-radius:var(--radius); border:1px solid var(--border); flex-wrap:wrap; gap:10px; }
.vocab-app .v-match-timer { font-size:1.7rem; font-weight:800; color:var(--primary); }
.vocab-app .v-match-best { font-size:0.73rem; color:var(--text-muted); }
.vocab-app .v-match-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:8px; }
.vocab-app .v-match-tile { padding:13px 9px; background:var(--surface); border:1.5px solid var(--border); border-radius:var(--radius-sm); cursor:pointer; text-align:center; font-size:0.85rem; font-weight:600; transition:all .18s ease; min-height:64px; display:flex; align-items:center; justify-content:center; line-height:1.3; user-select:none; color:var(--text); }
.vocab-app .v-match-tile.v-term { border-color:var(--primary); background:rgba(27,61,110,.07); color:var(--primary); }
[data-theme="dark"] .vocab-app .v-match-tile.v-term { background:rgba(27,61,110,.24); }
.vocab-app .v-match-tile.v-def { border-color:var(--secondary); background:rgba(201,168,76,.08); color:var(--secondary-dark); }
[data-theme="dark"] .vocab-app .v-match-tile.v-def { background:rgba(201,168,76,.14); color:var(--secondary-light); }
.vocab-app .v-match-tile:hover { transform:scale(1.03); box-shadow:var(--shadow-md); }
.vocab-app .v-match-tile.selected { transform:scale(1.05); box-shadow:var(--shadow-lg); border-width:2.5px; }
.vocab-app .v-match-tile.matched { opacity:0; pointer-events:none; transform:scale(.8); transition:all .35s ease; }
.vocab-app .v-match-tile.shake { animation:v-shake .4s ease; border-color:var(--danger) !important; background:rgba(214,56,72,.08) !important; }
@keyframes v-shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)} 40%{transform:translateX(6px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(4px)} }
.vocab-app .v-win-overlay { position:fixed; inset:0; background:rgba(0,0,0,.45); display:flex; align-items:center; justify-content:center; z-index:800; }
.vocab-app .v-win-card { background:var(--surface); border-radius:var(--radius-lg); padding:34px; text-align:center; max-width:360px; width:90%; box-shadow:var(--shadow-lg); border:1px solid var(--border); }
.vocab-app .v-win-time { font-size:2.5rem; font-weight:800; color:var(--primary); }
.vocab-app .v-win-sub { font-size:0.8rem; color:var(--text-muted); margin-bottom:12px; }
.vocab-app .v-win-best-badge { display:inline-block; background:rgba(201,168,76,.13); color:var(--secondary-dark); border:1.5px solid var(--secondary); border-radius:20px; padding:5px 15px; font-weight:700; font-size:0.84rem; margin-bottom:20px; }
[data-theme="dark"] .vocab-app .v-win-best-badge { color:var(--secondary-light); }

/* Set detail */
.vocab-app .v-detail-title { font-size:1.5rem; font-weight:800; margin-bottom:6px; color:var(--text); }
.vocab-app .v-detail-desc { color:var(--text-muted); margin-bottom:9px; font-size:0.89rem; }
.vocab-app .v-detail-meta { display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:0.79rem; color:var(--text-muted); margin-bottom:24px; }
.vocab-app .v-cards-section { margin-top:26px; }
.vocab-app .v-cards-section-title { font-size:0.92rem; font-weight:700; color:var(--text); margin-bottom:12px; }

/* Fade animation */
@keyframes v-fade { from{opacity:0;transform:translateY(-5px)} to{opacity:1;transform:translateY(0)} }
.vocab-app.v-fade { animation:v-fade .18s ease; }

/* Responsive */
@media (max-width: 600px) {
  .vocab-app .v-sets-grid { grid-template-columns:1fr; }
  .vocab-app .v-study-modes { grid-template-columns:repeat(2, 1fr); }
  .vocab-app .v-match-grid { grid-template-columns:repeat(2, 1fr); }
  .vocab-app .v-card-row { grid-template-columns:1fr; }
  .vocab-app .v-fc-text { font-size:1.8rem; }
  .vocab-app .v-fc-inner { height:360px; }
}

/* ═══════════════════════════════════════════════════════════════
   STOCK ANALYSIS PAGE
═══════════════════════════════════════════════════════════════ */
.stock-page { padding: 0; }

.stock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 28px 0;
  margin-bottom: 20px;
}

/* ── Tab bar ── */
.stock-tab-bar {
  display: flex;
  gap: 6px;
  background: var(--surface2);
  border-radius: 12px;
  padding: 4px;
}
.stock-tab {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 20px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.stock-tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}
.stock-tab:hover:not(.active) { background: rgba(0,0,0,.05); color: var(--text); }

/* ── Report layout ── */
.stock-report-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  height: calc(100vh - var(--topbar-height) - 120px);
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin: 0 28px 28px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.stock-report-sidebar {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 0;
  background: var(--surface2);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.stock-report-sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  padding: 0 16px 10px;
}
.stock-report-item {
  padding: 12px 16px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.stock-report-item:hover { background: var(--surface); }
.stock-report-item.active {
  background: var(--surface);
  border-left-color: #22c55e;
}
.stock-report-date { font-size: 13px; font-weight: 700; color: var(--text); }
.stock-report-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.stock-report-content {
  overflow-y: auto;
  padding: 28px 32px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

/* ── Markdown styles ── */
.stock-md { font-size: 14px; line-height: 1.7; color: var(--text); }
.stock-h1 { font-size: 1.5rem; font-weight: 800; margin: 0 0 20px; color: var(--text); }
.stock-h2 { font-size: 1.15rem; font-weight: 700; margin: 28px 0 12px; color: var(--primary); border-bottom: 2px solid var(--border); padding-bottom: 6px; }
.stock-h3 { font-size: 1rem; font-weight: 700; margin: 20px 0 8px; color: var(--text); }
.stock-h4 { font-size: 0.92rem; font-weight: 700; margin: 14px 0 6px; color: var(--text-muted); }
.stock-p  { margin: 0 0 8px; }
.stock-hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.stock-ul { margin: 0 0 10px 18px; padding: 0; }
.stock-li { margin-bottom: 4px; }
.stock-check.pass { color: #22c55e; }
.stock-check.fail { color: #ef4444; }
.stock-code { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; font-family: var(--font-mono-ink); font-size: 12px; overflow-x: auto; margin: 10px 0; white-space: pre; }

.stock-table-wrap { overflow-x: auto; margin: 12px 0; border-radius: 10px; border: 1px solid var(--border); }
.stock-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.stock-table thead { background: var(--surface2); }
.stock-table th { padding: 10px 14px; text-align: left; font-weight: 700; color: var(--text); border-bottom: 1px solid var(--border); white-space: nowrap; }
.stock-table td { padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--text); }
.stock-table tr:last-child td { border-bottom: none; }
.stock-table tr:hover td { background: var(--surface2); }
.stock-table .td-pass { color: #22c55e; font-weight: 600; }
.stock-table .td-fail { color: #ef4444; font-weight: 600; }

/* ── Watchlist layout ── */
.stock-watchlist-layout {
  padding: 0 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stock-add-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}
.stock-add-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.stock-add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.stock-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 13px;
  font-size: 13.5px;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  min-width: 180px;
}
.stock-input:focus { border-color: #22c55e; }
.stock-input-sm { min-width: 110px; max-width: 130px; }
.stock-input-wide { flex: 1; min-width: 200px; }
.stock-add-btn {
  background: #22c55e;
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 9px 22px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform .1s;
}
.stock-add-btn:hover { background: #16a34a; }
.stock-add-btn:active { transform: scale(.97); }

.stock-market-section { display: flex; flex-direction: column; gap: 12px; }
.stock-market-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.stock-flag { font-size: 18px; }
.stock-count {
  background: var(--surface2);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 1px 10px;
  font-size: 12px;
  font-weight: 600;
}

.stock-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.stock-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stock-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stock-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; }
.stock-card-ticker { font-size: 18px; font-weight: 800; letter-spacing: .02em; }
.stock-card-del {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 5px;
  transition: background var(--transition), color var(--transition);
}
.stock-card-del:hover { background: rgba(239,68,68,.1); color: #ef4444; }
.stock-card-name { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.stock-card-memo { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }
.stock-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.stock-card-date { font-size: 11px; color: var(--text-light); }

.stock-badge { font-size: 11px; font-weight: 700; border-radius: 6px; padding: 2px 8px; }
.badge-us { background: rgba(40,190,239,.15); color: var(--ink-cyan); }
.badge-kr { background: rgba(95,217,168,.15); color: var(--ink-mint); }

.stock-empty-small { font-size: 13px; color: var(--text-muted); padding: 16px 0; }
.stock-empty-center { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; min-height: 300px; text-align: center; }

/* Dark mode tweaks */
[data-theme="dark"] .stock-input { background: var(--surface2); border-color: var(--border); color: var(--text); }
[data-theme="dark"] .stock-add-btn { background: #16a34a; }
[data-theme="dark"] .stock-add-btn:hover { background: #15803d; }

/* Responsive */
@media (max-width: 768px) {
  .stock-header { padding: 16px 16px 0; }
  .stock-report-layout { grid-template-columns: 1fr; height: auto; margin: 0 12px 20px; }
  .stock-report-sidebar { border-right: none; border-bottom: 1px solid var(--border); border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 180px; }
  .stock-report-content { border-radius: 0 0 var(--radius-lg) var(--radius-lg); padding: 16px; }
  .stock-watchlist-layout { padding: 0 12px 24px; }
  .stock-add-form { flex-direction: column; align-items: stretch; }
  .stock-input, .stock-input-sm, .stock-input-wide { min-width: unset; }
}

/* ═══════════════════════════════════════════════════════════════
   STOCK ANALYSIS — SA COMPONENTS (새 종목분석 대시보드)
═══════════════════════════════════════════════════════════════ */
.sa-shell { display: flex; flex-direction: column; height: 100%; }

/* Tab bar */
.sa-tabbar {
  display: flex; align-items: center; gap: 2px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto; scrollbar-width: none; flex-shrink: 0;
}
.sa-tabbar::-webkit-scrollbar { display: none; }
.sa-tab {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px; font-size: 13px; font-weight: 500;
  color: var(--text-muted); background: none; border: none;
  border-bottom: 2px solid transparent; cursor: pointer;
  white-space: nowrap; margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}
.sa-tab:hover { color: var(--text); }
.sa-tab.active { color: var(--text); font-weight: 600; }
.sa-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* Body scroll area */
#sa-body { overflow-y: auto; flex: 1; padding: 20px; }

/* Stock card */
.sa-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 20px;
  max-width: 900px;
}

.sa-card-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 16px; gap: 12px;
}
.sa-card-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.sa-card-sub { font-size: 12px; color: var(--text-muted); }

.sa-grade-badge {
  font-size: 12px; font-weight: 600; padding: 4px 10px;
  border-radius: 20px; border: 1px solid; white-space: nowrap; flex-shrink: 0;
}

/* Price row */
.sa-price-row {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px; background: var(--surface2);
  border-radius: var(--radius-md); margin-bottom: 14px;
}
.sa-price-block { flex-shrink: 0; }
.sa-price { font-size: 28px; font-weight: 800; color: var(--text); line-height: 1.1; }
.sa-price52 { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.sa-per-row { display: flex; gap: 10px; flex-wrap: wrap; flex: 1; }
.sa-per-card {
  background: var(--surface); border-radius: var(--radius-md);
  padding: 10px 14px; flex: 1; min-width: 100px;
  border: 1px solid var(--border);
}
.sa-per-lbl { font-size: 10px; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .04em; }
.sa-per-val { font-size: 18px; font-weight: 700; color: var(--text); }
.sa-per-note { font-size: 10px; color: var(--text-muted); margin-top: 3px; }

/* Metrics grid */
.sa-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin-bottom: 16px;
}
.sa-metric {
  background: var(--surface2); border-radius: var(--radius-md);
  padding: 12px 14px; border: 1px solid var(--border);
}
.sa-metric-lbl { font-size: 10px; color: var(--text-muted); margin-bottom: 4px; }
.sa-metric-val { font-size: 16px; font-weight: 700; color: var(--text); }
.sa-metric-val.sa-hl { color: #f59e0b; }
.sa-metric-note { font-size: 10px; color: var(--ink-mint); margin-top: 3px; }

/* News */
.sa-section-hd {
  font-size: 13px; font-weight: 700; color: var(--text);
  margin: 16px 0 10px; padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.sa-news { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.sa-news-row {
  display: flex; align-items: baseline; gap: 8px;
  background: var(--surface2); padding: 10px 14px;
  border-radius: var(--radius-md); border: 1px solid var(--border);
}
.sa-badge {
  font-size: 10px; font-weight: 600; padding: 2px 7px;
  border-radius: 4px; white-space: nowrap; flex-shrink: 0;
}
.sa-bull { background: #E1F5EE; color: #0F6E56; }
.sa-bear { background: #FAECE7; color: #993C1D; }
.sa-neutral { background: #FAEEDA; color: #633806; }
.sa-news-txt { font-size: 13px; color: var(--text); flex: 1; line-height: 1.4; }
.sa-news-dt { font-size: 11px; color: var(--text-muted); white-space: nowrap; }

/* Positive/Negative factors */
.sa-factors { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.sa-factor { border-radius: var(--radius-md); padding: 14px 16px; }
.sa-factor-pos { background: #E1F5EE; border: 1px solid #5DCAA5; }
.sa-factor-neg { background: #FAECE7; border: 1px solid #F0997B; }
.sa-factor-ttl { font-size: 11px; font-weight: 700; margin-bottom: 8px; }
.sa-factor-pos .sa-factor-ttl { color: #0F6E56; }
.sa-factor-neg .sa-factor-ttl { color: #993C1D; }
.sa-factor ul { margin: 0; padding: 0 0 0 4px; list-style: none; }
.sa-factor li { font-size: 12px; padding: 2px 0; line-height: 1.4; }
.sa-factor-pos li { color: #0F6E56; }
.sa-factor-neg li { color: #993C1D; }

/* Target + keypoint */
.sa-target-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface2);
  border-radius: var(--radius-md); margin-bottom: 10px;
}
.sa-target-lbl { font-size: 12px; color: var(--text-muted); }
.sa-target-val { font-size: 18px; font-weight: 800; }
.sa-consensus {
  font-size: 11px; font-weight: 600; padding: 2px 8px;
  border-radius: 4px; background: var(--ink-mint-soft); color: #0F6E56;
}
.sa-keypoint {
  font-size: 13px; color: var(--text-muted); padding: 12px 16px;
  background: var(--surface2); border-radius: var(--radius-md);
  border-left: 3px solid var(--ink-yellow);
}

/* Compare */
.sa-compare { max-width: 900px; }
.sa-tbl-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); margin-bottom: 16px; }
.sa-tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.sa-tbl thead { background: var(--surface2); }
.sa-tbl th { padding: 10px 14px; text-align: left; font-weight: 600; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); white-space: nowrap; }
.sa-tbl td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
.sa-tbl tr:last-child td { border-bottom: none; }
.sa-tbl tr:hover td { background: var(--surface2); }
.sa-tbl-name { display: block; font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.sa-gbadge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }

.sa-notables { display: flex; flex-direction: column; gap: 8px; }
.sa-notable {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface2);
  border-radius: var(--radius-md); border: 1px solid var(--border);
}
.sa-notable-tkr { font-weight: 700; font-size: 14px; color: var(--ink-cyan); min-width: 60px; }
.sa-notable-why { font-size: 13px; color: var(--text); }

/* Ranking */
.sa-ranking { max-width: 600px; }
.sa-rank-list { display: flex; flex-direction: column; gap: 8px; }
.sa-rank-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; background: var(--surface);
  border-radius: var(--radius-md); border: 1px solid var(--border);
  cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.sa-rank-item:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.sa-rank-left { display: flex; align-items: center; gap: 14px; }
.sa-rank-num { font-size: 22px; width: 32px; text-align: center; flex-shrink: 0; }
.sa-rank-ticker { font-size: 16px; font-weight: 700; }
.sa-rank-reason { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sa-rank-score { font-size: 20px; font-weight: 800; }

/* Watchlist */
.sa-watchlist { display: flex; flex-direction: column; gap: 20px; max-width: 900px; }
.sa-add-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px;
}
.sa-add-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.sa-add-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* Empty state */
.sa-empty { text-align: center; padding: 60px 20px; }
.sa-empty-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.sa-empty-sub { font-size: 13px; color: var(--text-muted); }

/* Watchlist search autocomplete */
.wl-search-wrap { position: relative; flex: 2; min-width: 260px; }
.wl-suggest {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  z-index: 100; overflow: hidden;
}
.wl-suggest-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; cursor: pointer; font-size: 13px;
  transition: background .1s;
}
.wl-suggest-item:hover { background: var(--surface2); }
.wl-sug-ticker { font-weight: 700; color: var(--ink-cyan); min-width: 52px; font-size: 13px; }
.wl-sug-name { flex: 1; color: var(--text); }
.wl-sug-sector { font-size: 10px; color: var(--text-muted); background: var(--surface2); padding: 1px 6px; border-radius: 4px; white-space: nowrap; }
.wl-suggest-manual { border-top: 1px solid var(--border); opacity: .8; font-style: italic; }

/* Ranking layout */
.sa-ranking-layout { display: grid; grid-template-columns: 360px 1fr; gap: 16px; align-items: start; }
.sa-rank-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: var(--surface);
  border-radius: var(--radius-md); border: 1.5px solid var(--border);
  cursor: pointer; transition: transform .12s, box-shadow .12s, border-color .15s;
  margin-bottom: 6px;
}
.sa-rank-item:hover { transform: translateX(3px); box-shadow: var(--shadow-sm); }
.sa-rank-selected { background: var(--surface2); box-shadow: var(--shadow-md); }
.sa-rank-medal { font-size: 20px; width: 28px; text-align: center; flex-shrink: 0; }
.sa-rank-n { font-size: 14px; color: var(--text-muted); font-weight: 600; }
.sa-rank-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.sa-rank-ticker { font-size: 14px; font-weight: 700; }
.sa-rank-name { font-size: 11px; color: var(--text-muted); }
.sa-rank-mid { margin-left: auto; text-align: right; }
.sa-rank-price { font-size: 13px; font-weight: 600; color: var(--text); }
.sa-rank-change { font-size: 11px; font-weight: 600; }
.sa-rank-right { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; margin-left: 12px; }
.sa-rank-score { font-size: 16px; font-weight: 800; }
.sa-up { color: #1D9E75; }
.sa-dn { color: #D85A30; }

/* Detail panel */
.sa-detail-panel { position: sticky; top: 0; }
.sa-detail-hint { display: flex; align-items: center; justify-content: center; height: 200px; color: var(--text-muted); font-size: 13px; }
.sa-detail-inner {
  background: var(--surface); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 20px;
  max-height: calc(100vh - 160px); overflow-y: auto;
}

/* Financials grid */
.sa-fin-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 14px; }
.sa-fin-card { background: var(--surface2); border-radius: var(--radius-md); padding: 10px 12px; border: 1px solid var(--border); }
.sa-fin-lbl { font-size: 10px; color: var(--text-muted); margin-bottom: 3px; text-transform: uppercase; letter-spacing: .04em; }
.sa-fin-val { font-size: 15px; font-weight: 700; color: var(--text); }

/* Scenario cards */
.sa-scenario-wrap { display: flex; flex-direction: column; gap: 14px; margin-bottom: 14px; }
.sa-scenario-group {}
.sa-scenario-yr { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.sa-scenario-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.sa-sc-card {
  background: var(--surface2); border-radius: var(--radius-md);
  padding: 12px 14px; border: 1px solid var(--border);
}
.sa-sc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.sa-sc-label { font-size: 11px; font-weight: 700; }
.sa-sc-assumption { font-size: 10px; color: var(--text-muted); }
.sa-sc-price { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 3px; }
.sa-sc-change { font-size: 12px; font-weight: 700; margin-bottom: 6px; }
.sa-sc-reason { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

/* Chart */
.sa-chart-wrap { height: 200px; margin: 8px 0 16px; padding: 8px; background: var(--surface2); border-radius: var(--radius-md); }

/* Buy/Sell targets */
.sa-targets { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.sa-target-group { border-radius: var(--radius-md); padding: 14px 16px; border: 1px solid var(--border); }
.sa-target-buy { background: rgba(29,158,117,.06); border-color: rgba(29,158,117,.25); }
.sa-target-sell { background: rgba(216,90,48,.06); border-color: rgba(216,90,48,.25); }
.sa-target-gtitle { font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.sa-target-buy .sa-target-gtitle { color: #1D9E75; }
.sa-target-sell .sa-target-gtitle { color: #D85A30; }
.sa-target-rows { display: flex; flex-direction: column; gap: 8px; }
.sa-target-row2 { display: flex; align-items: baseline; gap: 8px; }
.sa-target-order { font-size: 10px; font-weight: 700; background: var(--surface2); padding: 1px 6px; border-radius: 4px; color: var(--text-muted); }
.sa-target-px { font-size: 18px; font-weight: 800; }
.sa-target-why { font-size: 11px; color: var(--text-muted); }

/* Disclaimer */
.sa-disclaimer { font-size: 11px; color: var(--text-light); margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); }

/* Dark mode overrides */
[data-theme="dark"] .sa-bull { background: rgba(29,158,117,.15); color: #5DCAA5; }
[data-theme="dark"] .sa-bear { background: rgba(216,90,48,.15); color: #F0997B; }
[data-theme="dark"] .sa-neutral { background: rgba(186,117,23,.15); color: #FAC775; }
[data-theme="dark"] .sa-factor-pos { background: rgba(29,158,117,.1); border-color: rgba(93,202,165,.3); }
[data-theme="dark"] .sa-factor-neg { background: rgba(216,90,48,.1); border-color: rgba(240,153,123,.3); }
[data-theme="dark"] .sa-factor-pos li { color: #5DCAA5; }
[data-theme="dark"] .sa-factor-neg li { color: #F0997B; }
[data-theme="dark"] .sa-factor-pos .sa-factor-ttl { color: #5DCAA5; }
[data-theme="dark"] .sa-factor-neg .sa-factor-ttl { color: #F0997B; }
[data-theme="dark"] .sa-consensus { background: rgba(95,217,168,.15); color: #5DCAA5; }

@media (max-width: 768px) {
  .sa-metrics { grid-template-columns: repeat(2,1fr); }
  .sa-price-row { flex-direction: column; }
  .sa-per-row { flex-direction: column; }
  .sa-factors { grid-template-columns: 1fr; }
  .sa-card { padding: 14px; }
  #sa-body { padding: 12px; }
}

/* ═══════════════════════════════════════════════════════════════
   MARKET LIVE DASHBOARD
═══════════════════════════════════════════════════════════════ */
.mkt-section-head {
  display: flex; align-items: center;
  font-size: 15px; font-weight: 700; color: var(--text);
  margin: 20px 0 12px; gap: 8px;
}
.mkt-updated { font-size: 12px; color: var(--text-muted); font-weight: 400; }
.mkt-group-label {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 8px;
}
.mkt-divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* Index cards */
.mkt-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 10px;
}
.mkt-idx-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 14px 14px 12px;
  display: flex; flex-direction: column; gap: 3px;
  transition: box-shadow .15s;
}
.mkt-idx-card:hover { box-shadow: var(--shadow-md); }
.mkt-idx-name { font-size: 11px; font-weight: 700; color: var(--text-muted); }
.mkt-idx-price { font-size: 18px; font-weight: 800; color: var(--text); letter-spacing: -.02em; }
.mkt-idx-chg { font-size: 13px; font-weight: 700; }
.mkt-idx-futures { font-size: 11px; color: var(--text-muted); }
.mkt-idx-sig-row { margin-top: 6px; }
.mkt-idx-detail { font-size: 10px; color: var(--text-muted); }

/* Signal badges */
.mkt-sig {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
}
.mkt-sig-up      { background: rgba(29,158,117,.12); color: #1D9E75; }
.mkt-sig-down    { background: rgba(216,90,48,.12);  color: #D85A30; }
.mkt-sig-neutral { background: rgba(100,116,139,.1); color: var(--text-muted); }

/* Pos/neg change colors */
.mkt-pos { color: #1D9E75; }
.mkt-neg { color: #D85A30; }

/* Macro grid */
.mkt-macro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.mkt-macro-card {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 12px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.mkt-macro-name  { font-size: 11px; color: var(--text-muted); font-weight: 600; }
.mkt-macro-price { font-size: 16px; font-weight: 800; color: var(--text); }
.mkt-macro-chg   { font-size: 12px; font-weight: 600; }

/* Buttons */
.mkt-btn-sm {
  font-size: 12px; font-weight: 600; padding: 5px 12px;
  border-radius: 20px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
  cursor: pointer; transition: background .15s;
}
.mkt-btn-sm:hover { background: var(--surface2); }
.mkt-btn-gen  { background: linear-gradient(135deg,#6366f1,#8b5cf6); color: #fff; border-color: transparent; }
.mkt-btn-gen:hover  { background: linear-gradient(135deg,#4f46e5,#7c3aed); }
.mkt-btn-regen { background: var(--surface2); }

/* Prediction section */
.mkt-pred-empty {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted); font-size: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.mkt-pred-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
}
.mkt-pred-gen-time { font-size: 11px; color: var(--text-muted); margin-bottom: 14px; }
.mkt-pred-summary {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px;
}
.mkt-pred-col { background: var(--surface2); border-radius: var(--radius-md); padding: 14px 16px; }
.mkt-pred-col-title { font-size: 12px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.mkt-pred-text { font-size: 13px; color: var(--text); line-height: 1.65; }

/* Prediction table */
.mkt-pred-table-wrap { overflow-x: auto; margin-bottom: 18px; border-radius: var(--radius-md); border: 1px solid var(--border); }
.mkt-pred-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mkt-pred-table thead { background: var(--surface2); }
.mkt-pred-table th { padding: 9px 14px; font-weight: 700; text-align: left; color: var(--text); border-bottom: 1px solid var(--border); white-space: nowrap; }
.mkt-pred-table td { padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: top; }
.mkt-pred-table tr:last-child td { border-bottom: none; }
.mkt-pred-table tr:hover td { background: var(--surface2); }
.mkt-pt-name  { font-weight: 700; white-space: nowrap; }
.mkt-pt-reason { font-size: 11px; color: var(--text-muted); display: block; margin-top: 2px; }

/* Risk/catalyst lists */
.mkt-pred-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.mkt-pred-list-title { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.mkt-pred-ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 5px; }
.mkt-pred-li { font-size: 12px; line-height: 1.5; padding: 6px 10px; border-radius: var(--radius-sm); }
.mkt-pred-risk { background: rgba(216,90,48,.07); color: var(--text); }
.mkt-pred-cat  { background: rgba(29,158,117,.07); color: var(--text); }

.mkt-pred-vix      { font-size: 13px; color: var(--text-muted); padding: 10px 14px; background: var(--surface2); border-radius: var(--radius-md); margin-bottom: 10px; }
.mkt-pred-strategy { font-size: 13px; color: var(--text); padding: 10px 14px; background: rgba(99,102,241,.07); border-left: 3px solid #6366f1; border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* Dark mode */
[data-theme="dark"] .mkt-sig-up      { background: rgba(29,158,117,.2); color: #5DCAA5; }
[data-theme="dark"] .mkt-sig-down    { background: rgba(216,90,48,.2);  color: #F0997B; }
[data-theme="dark"] .mkt-pos         { color: #5DCAA5; }
[data-theme="dark"] .mkt-neg         { color: #F0997B; }
[data-theme="dark"] .mkt-btn-gen     { background: linear-gradient(135deg,#4f46e5,#7c3aed); }

/* Responsive */
@media (max-width: 768px) {
  .mkt-index-grid  { grid-template-columns: repeat(2,1fr); }
  .mkt-macro-grid  { grid-template-columns: repeat(2,1fr); }
  .mkt-pred-summary { grid-template-columns: 1fr; }
  .mkt-pred-lists   { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN SCREEN
═══════════════════════════════════════════════════════════════ */
.login-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 18% 22%, rgba(201,100,66,.06), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(201,168,76,.05), transparent 45%);
}
.login-overlay.hidden { display: none; }
.login-box {
  width: 100%; max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 44px 34px 26px;
  box-shadow: 0 24px 60px -18px rgba(60,40,10,.22), 0 4px 14px rgba(60,40,10,.06);
  animation: login-pop .4s cubic-bezier(.4,0,.2,1);
}
@keyframes login-pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.login-brand { text-align: center; margin-bottom: 28px; }
.login-logo {
  width: 58px; height: 58px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 30px; color: #fff;
  background: var(--primary);
  border-radius: 16px;
  box-shadow: 0 6px 16px -4px rgba(201,100,66,.5);
}
.login-title {
  font-family: 'Playfair Display', 'Noto Serif KR', serif;
  font-size: 27px; font-weight: 700; color: var(--text); letter-spacing: -.01em;
}
.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 5px; }

.login-gbtn-wrap { display: flex; justify-content: center; min-height: 44px; }
.login-gbtn-off {
  font-size: 12px; color: var(--text-muted); text-align: center; line-height: 1.5;
  padding: 12px; background: var(--surface2); border-radius: 10px; width: 100%;
}
.login-gbtn-off span { font-size: 11px; opacity: .7; }

.login-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0; color: var(--text-light); font-size: 12px;
}
.login-divider::before, .login-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

.login-dev { display: flex; flex-direction: column; gap: 10px; }
.login-input {
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 11px;
  font-size: 14px; background: var(--bg); color: var(--text); outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.login-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(201,100,66,.12); }
.login-dev-btn {
  padding: 12px; border: none; border-radius: 11px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: #fff;
  background: var(--primary); transition: background .15s, transform .1s;
}
.login-dev-btn:hover { background: var(--primary-dark); }
.login-dev-btn:active { transform: scale(.98); }
.login-hint { display: none; font-size: 12px; color: var(--danger); text-align: center; margin-top: 2px; }
.login-foot { font-size: 11px; color: var(--text-light); text-align: center; margin-top: 24px; line-height: 1.5; }

[data-theme="dark"] .login-overlay { background: var(--bg); }
[data-theme="dark"] .login-box { background: var(--surface); }

/* ═══════════════════════════════════════════════════════════════
   SETTINGS PAGE
═══════════════════════════════════════════════════════════════ */
.set-page { max-width: 720px; margin: 0 auto; padding: 8px 20px 40px; }
.set-header { margin-bottom: 20px; }
.set-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.set-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px; margin-bottom: 14px;
}
.set-card-title {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px;
}
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.set-label { font-size: 14px; font-weight: 600; color: var(--text); }
.set-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.set-account { display: flex; align-items: center; gap: 14px; }
.set-avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; background: var(--primary); color: #fff;
}
.set-account-name { font-size: 15px; font-weight: 700; color: var(--text); }
.set-account-email { font-size: 12.5px; color: var(--text-muted); margin-top: 1px; }

.set-btn {
  padding: 8px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .15s, border-color .15s;
}
.set-btn:hover { background: var(--surface2); }
.set-btn-danger { color: var(--danger); border-color: rgba(192,80,60,.4); }
.set-btn-danger:hover { background: rgba(192,80,60,.08); }

.set-seg { display: inline-flex; background: var(--surface2); border-radius: 10px; padding: 3px; gap: 2px; }
.set-seg-btn {
  padding: 7px 14px; border: none; background: none; border-radius: 8px;
  font-size: 13px; font-weight: 600; color: var(--text-muted); cursor: pointer;
  transition: background .15s, color .15s;
}
.set-seg-btn.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow); }

.set-select {
  padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600;
  cursor: pointer; outline: none;
}
.set-select:focus { border-color: var(--primary); }

.set-info-row {
  display: flex; justify-content: space-between; font-size: 13px;
  padding: 8px 0; border-bottom: 1px solid var(--border); color: var(--text);
}
.set-info-row:last-child { border-bottom: none; }
.set-info-row span:first-child { color: var(--text-muted); }

/* Dashboard To-Do List */
.dash-todo-add{margin-bottom:10px}
.dash-todo-add input{width:100%;padding:10px 12px;border:1px solid var(--border,#e5e5e5);border-radius:10px;font-size:13px;background:var(--bg,#fff);color:var(--text,#222);outline:none}
.dash-todo-add input:focus{border-color:var(--ink-mint,#28beef)}
.dash-todo-row{display:flex;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px solid var(--border,#f0f0f0)}
.dash-todo-row:last-child{border-bottom:none}
.dash-todo-row.assign{cursor:pointer}
.dash-todo-check{width:20px;height:20px;border:2px solid var(--ink-mint,#28beef);border-radius:6px;flex-shrink:0;cursor:pointer;transition:background .15s}
.dash-todo-check:hover{background:var(--ink-mint,#28beef)22}
.dash-todo-check.done{background:var(--ink-mint,#28beef);border-color:var(--ink-mint,#28beef);position:relative}
.dash-todo-check.done::after{content:"✓";color:#fff;font-size:13px;position:absolute;left:3px;top:-1px}
.dash-todo-icon{width:20px;text-align:center;flex-shrink:0}
.dash-todo-body{flex:1;min-width:0}
.dash-todo-title{font-size:13px;color:var(--text,#222);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dash-todo-title.done{color:#aaa;text-decoration:line-through}
.dash-todo-meta{display:flex;gap:6px;align-items:center;font-size:11px;color:var(--text-muted,#888);margin-top:2px;font-family:var(--font-mono-ink,monospace)}
.dash-todo-tag{padding:1px 7px;border-radius:999px;font-size:10px;font-weight:700}
.dash-todo-del{background:none;border:none;color:#ccc;cursor:pointer;font-size:13px;padding:2px 6px;flex-shrink:0}
.dash-todo-del:hover{color:var(--ink-pink,#ff5f9e)}
.dash-todo-row.done{opacity:.65}