/* ---------- Tokens ---------- */
:root {
  --display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --body: 'Source Serif 4', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* Warm theme (default) */
[data-theme="warm"] {
  --bg: #f0e8d4;
  --paper: #f7f0dd;
  --card: #fbf6e8;
  --ink: #2b2418;
  --ink-soft: #4a3f2e;
  --muted: #8a7e64;
  --border: #d8cdb1;
  --border-strong: #b8a98a;
  --accent: oklch(0.52 0.13 38);
  --accent-soft: oklch(0.95 0.04 60);
  --accent-fg: #fff8ec;
  --shelf-wood: #a98758;
  --shelf-wood-dark: #6a4a28;
  --shadow: 0 1px 0 rgba(40,28,14,0.04), 0 2px 12px rgba(40,28,14,0.06);
  --shadow-lg: 0 4px 24px rgba(40,28,14,0.12), 0 1px 2px rgba(40,28,14,0.08);
}

/* Cool theme */
[data-theme="cool"] {
  --bg: #e8ecef;
  --paper: #f1f4f6;
  --card: #f8fafb;
  --ink: #1d262b;
  --ink-soft: #3a4750;
  --muted: #6f7d85;
  --border: #c9d2d8;
  --border-strong: #a8b3bc;
  --accent: oklch(0.50 0.10 240);
  --accent-soft: oklch(0.95 0.03 240);
  --accent-fg: #f0f5f8;
  --shelf-wood: #8aa0ad;
  --shelf-wood-dark: #4a6070;
  --shadow: 0 1px 0 rgba(20,30,40,0.04), 0 2px 12px rgba(20,30,40,0.06);
  --shadow-lg: 0 4px 24px rgba(20,30,40,0.12), 0 1px 2px rgba(20,30,40,0.08);
}

/* Dark theme */
[data-theme="dark"] {
  --bg: #181410;
  --paper: #1f1a14;
  --card: #25201a;
  --ink: #ece4d2;
  --ink-soft: #c8bea8;
  --muted: #8a8270;
  --border: #3a3328;
  --border-strong: #564b3a;
  --accent: oklch(0.72 0.13 60);
  --accent-soft: oklch(0.30 0.05 60);
  --accent-fg: #1a1410;
  --shelf-wood: #4a3a28;
  --shelf-wood-dark: #2a1f14;
  --shadow: 0 1px 0 rgba(0,0,0,0.2), 0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.3);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}
#root { min-height: 100vh; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; color: inherit; }
.mono { font-family: var(--mono); font-feature-settings: "tnum" 1; }
.muted { color: var(--muted); }

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 40px 80px;
}

[data-density="compact"] .app { padding: 24px 32px 60px; }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.library-title, .detail-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 56px;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--ink);
  text-wrap: balance;
}
[data-density="compact"] .library-title { font-size: 44px; }

.library-sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.section-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 500;
}

.section-body {
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 64ch;
  text-wrap: pretty;
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost, .btn-shop {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  padding: 9px 16px;
  border: 1px solid transparent;
  transition: all 150ms ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--ink-soft); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--card); border-color: var(--border-strong); color: var(--ink); }

.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn-add-link {
  font-style: italic;
  color: var(--muted);
  border-style: dashed;
}

/* ---------- Library header ---------- */
.library-header { margin-bottom: 40px; }
.library-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.library-actions { display: flex; gap: 10px; }

.library-controls {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 240px;
  color: var(--muted);
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--ink);
  flex: 1;
}
.search-box input::placeholder { color: var(--muted); font-style: italic; }

.genre-chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.chip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-soft);
  transition: all 120ms ease;
}
.chip:hover { border-color: var(--border-strong); }
.chip-on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- Shelves ---------- */
.shelves { display: flex; flex-direction: column; gap: 56px; }

.shelf-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}
.shelf-title {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}
.shelf-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.shelf-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 28px;
  align-items: flex-start;
}
.shelf-row-compact { gap: 24px 18px; }

.shelf-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 124px;
  cursor: pointer;
}
.shelf-row-compact .shelf-item { width: 64px; }

.shelf-meta { font-size: 13px; line-height: 1.3; }
.shelf-row-compact .shelf-meta { display: none; }
.shelf-meta-title {
  font-family: var(--body);
  color: var(--ink);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.shelf-meta-author {
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  margin-top: 1px;
}

.shelf-board {
  height: 14px;
  margin-top: 14px;
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--shelf-wood) 96%, white) 0%,
      var(--shelf-wood) 30%,
      color-mix(in oklab, var(--shelf-wood-dark) 80%, var(--shelf-wood)) 80%,
      var(--shelf-wood-dark) 100%);
  border-radius: 2px 2px 1px 1px;
  position: relative;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.18) inset,
    0 -1px 0 rgba(0,0,0,0.12) inset,
    0 8px 12px -6px rgba(40,28,14,0.32),
    0 14px 24px -10px rgba(40,28,14,0.18);
}
/* Wood grain: subtle vertical streaks */
.shelf-board::before {
  content: "";
  position: absolute;
  inset: 1px 0;
  border-radius: inherit;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 22px,
    rgba(0,0,0,0.06) 22px,
    rgba(0,0,0,0.06) 23px,
    transparent 23px,
    transparent 47px,
    rgba(255,255,255,0.05) 47px,
    rgba(255,255,255,0.05) 48px
  );
  mix-blend-mode: overlay;
  opacity: 0.7;
}
/* Front edge highlight (catches light) */
.shelf-board::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(180deg, rgba(255,255,255,0.32), transparent);
  border-radius: 2px 2px 0 0;
  pointer-events: none;
}
[data-theme="dark"] .shelf-board {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 -1px 0 rgba(0,0,0,0.5) inset,
    0 8px 14px -6px rgba(0,0,0,0.6),
    0 14px 28px -10px rgba(0,0,0,0.5);
}

.shelf-empty {
  font-style: italic;
  color: var(--muted);
  padding: 24px 0;
  font-size: 14px;
}

.borrow-tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 6px;
  border-radius: 8px;
  margin-top: 4px;
}

.shelf-expand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 150ms ease;
}
.shelf-expand:hover { background: var(--card); border-style: solid; color: var(--ink); }
.shelf-expand-arrow { font-size: 13px; }

/* progress + stars (in shelf cards) */
.progress-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
}
.stars { font-size: 11px; letter-spacing: 1px; color: var(--border-strong); margin-top: 4px; }
.star-on { color: var(--accent); }

/* ---------- Book detail ---------- */
.detail-topbar { margin-bottom: 24px; }

.detail-hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.detail-cover-wrap { position: relative; }
.detail-cover-shadow {
  position: absolute;
  bottom: -16px;
  left: 8%;
  right: 8%;
  height: 24px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.18), transparent 70%);
  filter: blur(4px);
  z-index: -1;
}

.detail-meta { padding-top: 8px; }

.detail-title {
  font-size: 52px;
  letter-spacing: -0.012em;
  margin-bottom: 6px;
}
.detail-author {
  font-family: var(--body);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.status-pills { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.status-pill {
  font-family: var(--body);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 18px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-soft);
  transition: all 120ms ease;
}
.status-pill:hover { border-color: var(--border-strong); }
.status-pill-on {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.detail-progress {
  margin-bottom: 24px;
  max-width: 480px;
}
.detail-progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.detail-progress-fill { height: 100%; background: var(--accent); transition: width 200ms ease; }
.detail-progress-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.rating-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.stars-large { display: flex; gap: 4px; }
.star-btn {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 22px;
  color: var(--border-strong);
  transition: color 100ms ease;
  cursor: pointer;
}
.star-btn:hover { color: var(--accent); }
.star-btn.star-on { color: var(--accent); }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0 0 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.meta-grid > div { display: flex; flex-direction: column; gap: 4px; }
.meta-grid dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.meta-grid dd { margin: 0; font-family: var(--body); font-size: 15px; color: var(--ink); }

.shop-row { margin-top: 0; }

.borrow-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--accent-soft);
  border-radius: 16px;
  padding: 5px 12px;
  margin-bottom: 24px;
}
.borrow-note svg { color: var(--accent); }

.category-editor {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.category-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 7px;
  flex-shrink: 0;
  width: 88px;
}
.category-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}
.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--body);
  font-size: 13px;
  padding: 5px 10px 5px 12px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid transparent;
}
.cat-chip-x {
  background: transparent;
  border: none;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  color: var(--accent);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 100ms ease;
}
.cat-chip-x:hover { opacity: 1; }
.cat-chip-add {
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--muted);
  font-style: italic;
  cursor: pointer;
  padding: 4px 12px;
}
.cat-chip-add:hover { color: var(--ink); border-color: var(--ink-soft); }
.cat-chip-input {
  font-family: var(--body);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 14px;
  border: 1px solid var(--accent);
  background: var(--paper);
  outline: none;
  color: var(--ink);
  min-width: 140px;
}

/* ── Shop links ───────────────────────────────────────────── */
.shop-links {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}
.shop-links-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
  align-items: center;
}
.shop-link-row {
  display: inline-flex;
  align-items: stretch;
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  transition: all 150ms ease;
}
.shop-link-row:hover { border-color: var(--border-strong); }
.shop-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
}
.shop-btn-icon {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.shop-btn-label {
  font-weight: 500;
}
.affiliate-tag-sm {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg);
}
.shop-btn-ext { color: var(--muted); }
.shop-btn-x {
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  font-size: 16px;
  line-height: 1;
  padding: 0 10px;
  color: var(--muted);
  cursor: pointer;
  transition: all 100ms ease;
}
.shop-btn-x:hover { background: var(--bg); color: #b14a3a; }

.shop-add-form {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 8px;
}
.shop-add-form input[type="url"] {
  flex: 1;
  min-width: 220px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--paper);
  font-size: 13px;
  outline: none;
  color: var(--ink);
  font-family: var(--mono);
}
.shop-add-form input[type="url"]:focus { border-color: var(--accent); }
.shop-add-label {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--paper);
  font-size: 13px;
  font-family: var(--body);
  color: var(--ink);
  outline: none;
  cursor: pointer;
}

.reading-since {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 24px;
  font-style: italic;
}
.shop-link { display: flex; align-items: center; gap: 12px; }
.btn-shop {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  transition: background 150ms ease;
}
.btn-shop:hover { background: var(--ink-soft); }
.affiliate-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.12);
  margin-left: 6px;
}

.shop-edit {
  display: flex;
  gap: 8px;
  align-items: center;
  max-width: 520px;
}
.shop-edit input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  font-size: 14px;
  outline: none;
}
.shop-edit input:focus { border-color: var(--accent); }

/* ---------- Detail tabs ---------- */
.detail-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.detail-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--body);
  font-size: 14px;
  padding: 10px 16px;
  color: var(--muted);
  transition: all 120ms ease;
  margin-bottom: -1px;
}
.detail-tab:hover { color: var(--ink-soft); }
.detail-tab-on {
  color: var(--ink);
  border-bottom-color: var(--accent);
  font-weight: 500;
}

.detail-body { padding-bottom: 60px; }
.detail-section { max-width: 720px; }

.ai-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.ai-header .section-title { margin: 0; }
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-left: auto;
}
.ai-badge-saved {
  background: oklch(0.92 0.05 145);
  color: oklch(0.40 0.13 145);
}
[data-theme="dark"] .ai-badge-saved {
  background: oklch(0.30 0.05 145);
  color: oklch(0.78 0.12 145);
}

.ai-generating {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  color: var(--ink-soft);
  font-style: italic;
  font-size: 15px;
}

.notion-sync {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background: oklch(0.92 0.05 145);
  color: oklch(0.40 0.13 145);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  vertical-align: 2px;
}
[data-theme="dark"] .notion-sync {
  background: oklch(0.30 0.05 145);
  color: oklch(0.78 0.12 145);
}

.ai-empty {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
}

.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  margin-right: 8px;
}
.spinner-lg { width: 24px; height: 24px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.review-body {
  font-size: 17px;
  line-height: 1.7;
  font-family: var(--body);
}
.review-textarea {
  width: 100%;
  padding: 16px;
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  resize: vertical;
  outline: none;
  color: var(--ink);
}
.review-textarea:focus { border-color: var(--accent); }

.highlight {
  margin: 0 0 20px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: var(--card);
  border-radius: 0 6px 6px 0;
}
.highlight p {
  margin: 0;
  font-family: var(--display);
  font-size: 19px;
  line-height: 1.45;
  font-style: italic;
  color: var(--ink);
}
.highlight cite {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  font-style: normal;
  color: var(--muted);
}
.highlight-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.link-danger {
  background: transparent;
  border: none;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0;
  cursor: pointer;
}
.link-danger:hover { color: #b14a3a; }

.highlight-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}
.highlight-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--paper);
  font-family: var(--display);
  font-size: 16px;
  font-style: italic;
  resize: vertical;
  outline: none;
  color: var(--ink);
}
.highlight-form-row { display: flex; gap: 8px; margin-top: 10px; align-items: center; }
.highlight-form-row input {
  width: 80px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  outline: none;
}

/* ── Comments ───────────────────────────────────────────── */
.comments-count {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 10px;
  margin-left: auto;
}

.comment-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 28px;
}
.comment-form-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.comment-name {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  font-family: var(--body);
  font-size: 14px;
  outline: none;
  color: var(--ink);
}
.comment-name:focus { border-color: var(--accent); }
.comment-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.55;
  resize: vertical;
  outline: none;
  color: var(--ink);
}
.comment-textarea:focus { border-color: var(--accent); }
.comment-form-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  gap: 12px;
}
.comment-help {
  font-size: 12px;
  font-style: italic;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.comment-empty {
  font-style: italic;
  padding: 24px 0;
  text-align: center;
}
.comment {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.comment:last-child { border-bottom: none; }
.comment-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.comment-body { min-width: 0; position: relative; }
.comment-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}
.comment-author {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
}
.comment-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.comment-text {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  text-wrap: pretty;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.comment-remove {
  margin-top: 8px;
  opacity: 0;
  transition: opacity 120ms ease;
}
.comment:hover .comment-remove { opacity: 0.7; }
.comment-remove:hover { opacity: 1 !important; }
@media (hover: none) {
  .comment-remove { opacity: 0.5; }
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 14, 4, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  animation: fadeIn 180ms ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--paper);
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  animation: modalIn 220ms cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  margin: 0;
  color: var(--ink);
}
.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 4px;
}
.modal-close:hover { background: var(--card); color: var(--ink); }

.add-options { padding: 16px; }
.add-option {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  cursor: pointer;
  text-align: left;
  transition: all 150ms ease;
}
.add-option:hover {
  background: var(--card);
  border-color: var(--border-strong);
  transform: translateX(2px);
}
.add-option:last-child { margin-bottom: 0; }
.add-option-icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.add-option-text { flex: 1; }
.add-option-title {
  font-family: var(--body);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}
.add-option-sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
  font-style: italic;
}
.add-option-arrow {
  font-size: 18px;
  color: var(--muted);
  transition: transform 150ms ease;
}
.add-option:hover .add-option-arrow { transform: translateX(4px); color: var(--ink); }

.add-flow { padding: 16px 28px 28px; }
.flow-back {
  background: transparent;
  border: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 4px 0;
  margin-bottom: 16px;
  cursor: pointer;
}
.flow-back:hover { color: var(--ink); }
.flow-title {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 20px;
  color: var(--ink);
}
.flow-empty { padding: 24px 0; }
.flow-illustration {
  width: 72px; height: 72px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--card);
  color: var(--ink-soft);
}
.notion-illu { background: #2f2f2f; color: #fff; }
.flow-loading {
  text-align: center;
  padding: 48px 0;
  color: var(--muted);
}
.flow-loading p { margin-top: 16px; font-style: italic; }

.notion-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: oklch(0.55 0.13 145);
  background: oklch(0.95 0.04 145);
  padding: 6px 12px;
  border-radius: 14px;
  margin-bottom: 16px;
}
[data-theme="dark"] .notion-status { background: oklch(0.30 0.05 145); }

.notion-list {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
}
.notion-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 120ms ease;
}
.notion-row:last-child { border-bottom: none; }
.notion-row:hover { background: var(--card); }
.notion-row input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px; height: 16px;
  cursor: pointer;
}
.notion-row-meta { flex: 1; }
.notion-row-title { font-weight: 500; font-size: 14px; color: var(--ink); }
.notion-row-author { font-size: 12px; color: var(--muted); font-style: italic; }
.notion-row-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.flow-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.flow-success {
  text-align: center;
  padding: 48px 0;
}
.success-mark {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: oklch(0.55 0.13 145);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
}

/* ISBN scan */
.isbn-camera {
  text-align: center;
  margin-bottom: 20px;
}
.isbn-camera-viewport {
  height: 160px;
  background: #1a1410;
  border-radius: 10px;
  position: relative;
  margin-bottom: 12px;
  overflow: hidden;
  background-image:
    radial-gradient(at 30% 40%, rgba(255,255,255,0.04) 0%, transparent 40%),
    repeating-linear-gradient(90deg, transparent 0, transparent 18px, rgba(255,255,255,0.05) 18px, rgba(255,255,255,0.05) 19px);
}
.isbn-camera-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.isbn-target {
  width: 180px;
  height: 80px;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: 4px;
  margin-bottom: 14px;
  position: relative;
  box-shadow: 0 0 0 1000px rgba(0,0,0,0.25);
}
.isbn-target::before, .isbn-target::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: oklch(0.7 0.13 38);
}
.isbn-target::before { top: 50%; box-shadow: 0 0 8px oklch(0.7 0.13 38); animation: scan 1.6s ease-in-out infinite; }
.isbn-target::after { display: none; }
@keyframes scan {
  0%, 100% { top: 10%; opacity: 0.4; }
  50% { top: 90%; opacity: 1; }
}

.isbn-divider {
  text-align: center;
  position: relative;
  margin: 24px 0;
}
.isbn-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  border-top: 1px solid var(--border);
}
.isbn-divider span {
  background: var(--paper);
  padding: 0 12px;
  position: relative;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.isbn-manual, .url-input-row {
  display: flex;
  gap: 8px;
}
.isbn-manual input, .url-input-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  font-size: 14px;
  font-family: var(--mono);
  outline: none;
  color: var(--ink);
}
.isbn-manual input:focus, .url-input-row input:focus { border-color: var(--accent); }

.lookup-result {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
}
.lookup-meta { padding-top: 4px; }
.lookup-title {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 4px;
}
.lookup-author {
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.lookup-detail {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.lookup-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---------- Stats ---------- */
.stats-header { margin-bottom: 36px; }
.stats-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.year-picker {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.year-pill {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 12px;
  background: transparent;
  border: none;
  border-radius: 5px;
  color: var(--muted);
  cursor: pointer;
  transition: all 120ms ease;
  letter-spacing: 0.04em;
}
.year-pill:hover { color: var(--ink); }
.year-pill-on { background: var(--ink); color: var(--paper); }

.author-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.author-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.author-row:last-child { border-bottom: none; }
.author-rank {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  min-width: 24px;
}
.author-name {
  flex: 1;
  font-family: var(--display);
  font-size: 17px;
  color: var(--ink);
  font-weight: 500;
}
.author-count {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.stat-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.stat-value {
  font-family: var(--display);
  font-size: 52px;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat-suffix { font-size: 28px; color: var(--muted); }
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 10px;
}
.stat-foot {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  margin-top: 4px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.stats-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.stats-card-wide { grid-column: 1 / -1; }

.pace-track {
  position: relative;
  height: 12px;
  background: var(--bg);
  border-radius: 6px;
  margin: 24px 0 12px;
  overflow: visible;
  border: 1px solid var(--border);
}
.pace-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 5px;
  transition: width 300ms ease;
}
.pace-target {
  position: absolute;
  top: -6px;
  transform: translateX(-50%);
}
.pace-marker {
  width: 2px;
  height: 22px;
  background: var(--ink);
}
.pace-marker-label {
  position: absolute;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.pace-row {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  font-size: 12px;
  color: var(--muted);
}
.pace-status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 10px;
}
.pace-good { background: oklch(0.92 0.05 145); color: oklch(0.40 0.13 145); }
.pace-bad { background: oklch(0.92 0.05 30); color: oklch(0.45 0.13 30); }
[data-theme="dark"] .pace-good { background: oklch(0.30 0.05 145); color: oklch(0.80 0.12 145); }
[data-theme="dark"] .pace-bad { background: oklch(0.30 0.05 30); color: oklch(0.80 0.12 30); }

.genre-chart {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-top: 8px;
}
.genre-legend {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.genre-legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.legend-label { color: var(--ink); flex: 1; }
.legend-count { color: var(--muted); font-size: 12px; }

.months-chart {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
  margin-top: 16px;
  align-items: end;
}
.month-bar { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.month-bar-track {
  width: 100%;
  height: 100px;
  background: var(--bg);
  border-radius: 4px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid var(--border);
}
.month-bar-fill {
  width: 100%;
  background: var(--accent);
  transition: height 300ms ease;
  min-height: 0;
}
.month-bar-count {
  font-size: 10px;
  color: var(--ink);
  height: 12px;
}
.month-bar-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.top-rated {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.top-rated-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.top-rated-meta { flex: 1; min-width: 0; }
.top-rated-title {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.top-rated-author {
  font-style: italic;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* responsive */
@media (max-width: 880px) {
  .app { padding: 24px 24px 60px; }
  .detail-hero { grid-template-columns: 1fr; gap: 32px; }
  .detail-hero .detail-cover-wrap { margin: 0 auto; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-tiles { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .library-title { font-size: 40px; }
  .detail-title { font-size: 36px; }
  .meta-grid { grid-template-columns: repeat(2, 1fr); gap: 12px 0; }
  .months-chart { gap: 4px; }
}

@media (max-width: 640px) {
  .app { padding: 18px 16px 56px; }
  [data-density="compact"] .app { padding: 14px 12px 48px; }

  /* Header: stack title and actions */
  .library-header { margin-bottom: 28px; }
  .library-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    margin-bottom: 20px;
  }
  .library-title { font-size: 34px; }
  [data-density="compact"] .library-title { font-size: 28px; }
  .library-sub { font-size: 13px; }
  .library-actions {
    width: 100%;
    gap: 8px;
  }
  .library-actions button { flex: 1; justify-content: center; }

  .library-controls {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0;
    gap: 12px;
  }
  .search-box { min-width: 0; }
  .genre-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    margin: 0 -16px;
    padding: 0 16px 4px;
    scrollbar-width: none;
  }
  .genre-chips::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; }

  .shelves { gap: 40px; }
  .shelf-header { margin-bottom: 18px; }
  .shelf-title { font-size: 22px; }
  .shelf-row { gap: 24px 18px; }
  .shelf-row-compact { gap: 18px 12px; }
  .shelf-item { width: 96px; }
  .shelf-row-compact .shelf-item { width: 56px; }
  .shelf-item .shelf-meta-title { font-size: 12px; }
  .shelf-item .shelf-meta-author { font-size: 11px; }

  /* Detail */
  .detail-topbar { margin-bottom: 16px; }
  .detail-hero { padding-bottom: 24px; margin-bottom: 24px; gap: 24px; }
  .detail-cover-wrap { transform: scale(0.85); transform-origin: top center; }
  .detail-title { font-size: 28px; }
  .detail-author { font-size: 16px; margin-bottom: 20px; }
  .status-pills { gap: 6px; margin-bottom: 18px; }
  .status-pill { font-size: 12px; padding: 6px 12px; }
  .meta-grid { padding: 12px 0; gap: 12px 12px; }
  .meta-grid dd { font-size: 14px; }
  .rating-row { margin-bottom: 22px; }
  .star-btn { font-size: 26px; padding: 4px; }
  .category-editor, .shop-links {
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
  .category-label { width: auto; padding-top: 0; }

  /* Tabs scroll horizontally if many */
  .detail-tabs {
    overflow-x: auto;
    margin: 0 -16px 24px;
    padding: 0 16px;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .detail-tabs::-webkit-scrollbar { display: none; }
  .detail-tab { white-space: nowrap; flex-shrink: 0; font-size: 13px; padding: 9px 12px; }
  .detail-body { padding-bottom: 40px; }
  .section-body { font-size: 15px; }
  .highlight p { font-size: 17px; }
  .review-textarea { padding: 12px; font-size: 15px; }

  /* Shop add form wraps */
  .shop-add-form { flex-wrap: wrap; }
  .shop-add-form input[type="url"] { min-width: 0; width: 100%; flex: 1 1 100%; order: 2; }
  .shop-add-form .shop-add-label { order: 1; }
  .shop-add-form > button { order: 3; flex: 1; }

  /* Stats */
  .stats-header { margin-bottom: 28px; }
  .stats-header-row { flex-direction: column; align-items: stretch; gap: 14px; }
  .year-picker { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .year-picker::-webkit-scrollbar { display: none; }
  .year-pill { flex-shrink: 0; }
  .stat-tile { padding: 16px; }
  .stat-value { font-size: 40px; }
  .stat-label { font-size: 9px; margin-top: 8px; }
  .stat-foot { font-size: 11px; }
  .stats-card { padding: 18px; }
  .months-chart { gap: 3px; }
  .month-bar-track { height: 70px; }
  .month-bar-label { font-size: 7px; }
  .pace-marker-label { font-size: 9px; }
  .genre-chart { flex-direction: column; gap: 16px; align-items: stretch; }
  .genre-chart svg { margin: 0 auto; }
  .top-rated { grid-template-columns: 1fr; }

  /* Modal */
  .modal-backdrop { padding: 12px; align-items: flex-end; }
  .modal {
    max-height: 92vh;
    border-radius: 14px 14px 0 0;
    animation: modalInMobile 240ms cubic-bezier(0.2, 0.9, 0.3, 1);
  }
  .modal-header { padding: 18px 20px 14px; }
  .modal-header h2 { font-size: 22px; }
  .add-options { padding: 12px; }
  .add-option { padding: 12px; gap: 12px; }
  .add-option-title { font-size: 15px; }
  .add-option-sub { font-size: 12px; }
  .add-flow { padding: 12px 20px 20px; }
  .flow-title { font-size: 20px; }
  .isbn-manual, .url-input-row { flex-direction: column; }
  .isbn-manual input, .url-input-row input { width: 100%; }
  .isbn-manual button, .url-input-row button { width: 100%; }
  .lookup-result { grid-template-columns: auto 1fr; gap: 14px; }
  .lookup-title { font-size: 20px; }
  .lookup-actions { flex-direction: column-reverse; gap: 8px; }
  .lookup-actions > * { width: 100%; justify-content: center; }

  /* Reading room thicker shelf board feels right on mobile too */
  .shelf-board { height: 12px; margin-top: 10px; }
}

@keyframes modalInMobile {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}