/* ════════════════════════════════════════
   SGT Brand CI — Theme Variables
   ════════════════════════════════════════ */

/* ── Light (default) ── */
:root, [data-theme="light"] {
  --bg:           #ffffff;
  --bg2:          #f7f9ff;
  --surface:      #f0f4ff;
  --surface2:     #e6ecff;
  --surface3:     #dce5ff;
  --border:       #dde3f0;
  --border-acc:   rgba(34,128,235,0.25);
  --text:         #3a3d3c;
  --text-muted:   #6b7585;
  --text-dim:     #a0aab8;
  --accent:       #2280eb;
  --accent-hover: #1a6dd4;
  --accent-dim:   rgba(34,128,235,0.10);
  --accent-glow:  rgba(34,128,235,0.18);
  --yellow:       #ffe266;
  --red:          #ec3e29;
  --mark-en-bg:   rgba(255,226,102,0.55);
  --mark-en-text: #5c3900;
  --mark-th-bg:   rgba(34,128,235,0.14);
  --mark-th-text: #0f3d8a;
  --hit-bg:       rgba(34,128,235,0.10);
  --hit-text:     #1a5cc4;
  --shadow-sm:    0 1px 3px rgba(34,128,235,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 8px rgba(34,128,235,0.12), 0 8px 24px rgba(34,128,235,0.10);
  --radius:       10px;
  --radius-lg:    14px;
  --tr:           0.18s cubic-bezier(0.4,0,0.2,1);
  --font-scale:   1;
  --app-header-h: 56px;
}

/* ── Dark ── */
[data-theme="dark"] {
  --bg:           #111827;
  --bg2:          #0f1623;
  --surface:      #1f2937;
  --surface2:     #263147;
  --surface3:     #2e3a52;
  --border:       rgba(255,255,255,0.08);
  --border-acc:   rgba(96,165,250,0.25);
  --text:         #e2eaf5;
  --text-muted:   #8fa3bc;
  --text-dim:     #4b5e75;
  --accent:       #60a5fa;
  --accent-hover: #7bb8fc;
  --accent-dim:   rgba(96,165,250,0.12);
  --accent-glow:  rgba(96,165,250,0.18);
  --yellow:       #ffe566;
  --red:          #f87171;
  --mark-en-bg:   rgba(255,229,102,0.22);
  --mark-en-text: #ffe566;
  --mark-th-bg:   rgba(96,165,250,0.18);
  --mark-th-text: #93c5fd;
  --hit-bg:       rgba(96,165,250,0.12);
  --hit-text:     #93c5fd;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.5), 0 0 0 1px rgba(96,165,250,0.2);
}

/* ── Sepia ── */
[data-theme="sepia"] {
  --bg:           #fdf6e3;
  --bg2:          #f9f0d5;
  --surface:      #f2e8cc;
  --surface2:     #e8d9b0;
  --surface3:     #deca96;
  --border:       #cfc08a;
  --border-acc:   rgba(34,128,235,0.25);
  --text:         #3d2b1f;
  --text-muted:   #7a6040;
  --text-dim:     #b09a70;
  --accent:       #2280eb;
  --accent-hover: #1a6dd4;
  --accent-dim:   rgba(34,128,235,0.10);
  --accent-glow:  rgba(34,128,235,0.15);
  --yellow:       #d97706;
  --red:          #b91c1c;
  --mark-en-bg:   rgba(251,191,36,0.35);
  --mark-en-text: #451a03;
  --mark-th-bg:   rgba(34,128,235,0.14);
  --mark-th-text: #0f3d8a;
  --hit-bg:       rgba(34,128,235,0.10);
  --hit-text:     #1a5cc4;
  --shadow-sm:    0 1px 3px rgba(61,43,31,0.08), 0 2px 8px rgba(61,43,31,0.05);
  --shadow-hover: 0 4px 16px rgba(61,43,31,0.14), 0 0 0 1px rgba(34,128,235,0.15);
}

/* ════════════════════════════════════════
   Base
   ════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans Thai', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background var(--tr), color var(--tr);
  font-size: calc(1rem * var(--font-scale));
}

/* ════════════════════════════════════════
   Animations
   ════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes softPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 6px rgba(34,128,235,0); }
}

/* ════════════════════════════════════════
   Header & Navigation
   ════════════════════════════════════════ */
header {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border-bottom: 2px solid var(--accent);
  padding: 0 32px;
  height: var(--app-header-h);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 18px rgba(34,128,235,0.10);
  transition: background var(--tr);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
}
.header-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.header-text h1 {
  font-size: calc(1.1rem * var(--font-scale));
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}
.header-text h1 span { color: var(--accent); }
.header-text p {
  font-size: calc(0.65rem * var(--font-scale));
  color: var(--text-muted);
  margin-top: 1px;
  white-space: nowrap;
}

/* Desktop navigation */
.app-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.app-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: calc(0.82rem * var(--font-scale));
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--tr), color var(--tr);
  white-space: nowrap;
}
.app-nav-link:hover {
  background: var(--accent-dim);
  color: var(--accent);
}
.app-nav-link.active {
  background: var(--accent-dim);
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* Right side controls */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.ctrl-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.ctrl-label {
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Hamburger button */
.app-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background var(--tr), border-color var(--tr);
}
.app-hamburger:hover { background: var(--accent-dim); border-color: var(--border-acc); }
.app-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.app-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.app-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.app-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Drawer */
.app-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background:
    radial-gradient(circle at 100% 0%, var(--accent-dim), transparent 36%),
    var(--bg);
  border-left: 1px solid var(--border);
  z-index: 500;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background var(--tr);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.app-drawer.open { transform: translateX(0); }

.app-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 499;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.app-drawer-overlay.open { opacity: 1; pointer-events: auto; }
body.drawer-open { overflow: hidden; }

.app-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.app-drawer-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.app-drawer-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: background var(--tr), color var(--tr);
}
.app-drawer-close:hover { background: var(--accent-dim); color: var(--accent); }

.app-drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  gap: 2px;
}
.app-drawer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--tr), color var(--tr);
}
.app-drawer-link:hover { background: var(--surface); color: var(--text); }
.app-drawer-link.active { background: var(--accent-dim); color: var(--accent); }

.app-drawer-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 20px;
}
.app-drawer-controls {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.app-drawer-controls .ctrl-group {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}
.app-drawer-controls .ctrl-label {
  width: 40px;
  text-align: left;
  flex-shrink: 0;
}

/* Responsive: show hamburger + hide desktop nav/controls on tablet/mobile */
@media (max-width: 1023px) {
  .app-nav { display: none; }
  .header-right .ctrl-group { display: none; }
  .app-hamburger { display: flex; }
  .header-text p { display: none; }
}

/* Font size controls */
.font-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--tr);
}
.font-controls:hover { border-color: var(--border-acc); }
.ctrl-btn {
  padding: 5px 10px;
  background: var(--surface);
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: calc(0.75rem * var(--font-scale));
  font-weight: 700;
  font-family: inherit;
  transition: background var(--tr), color var(--tr);
  border-right: 1px solid var(--border);
  line-height: 1;
}
.ctrl-btn:last-child { border-right: none; }
.ctrl-mid { font-size: calc(0.72rem * var(--font-scale)); font-weight: 400; }
.ctrl-btn:hover { background: var(--accent-dim); color: var(--accent); }

/* Theme controls */
.theme-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--tr);
}
.theme-controls:hover { border-color: var(--border-acc); }
.theme-btn {
  padding: 5px 10px;
  background: var(--surface);
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--tr);
  opacity: 0.5;
}
.theme-btn:last-child { border-right: none; }
.theme-btn:hover { background: var(--accent-dim); opacity: 1; }
.theme-btn.active { background: var(--accent-dim); opacity: 1; }

/* ════════════════════════════════════════
   Search bar
   ════════════════════════════════════════ */
.search-bar {
  background:
    radial-gradient(circle at 12% 10%, var(--accent-dim), transparent 28%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  border-bottom: 1px solid var(--border);
  padding: 22px 32px 18px;
  transition: background var(--tr);
}
.search-command {
  max-width: 1200px;
  margin: 0 auto;
  border: 1.5px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  box-shadow: var(--shadow-sm);
  padding: 18px;
  transition: box-shadow var(--tr), border-color var(--tr), background var(--tr);
}
.search-command:focus-within {
  border-color: var(--border-acc);
  box-shadow: var(--shadow-hover);
}
.search-command-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 14px;
}
.search-kicker {
  font-size: calc(0.68rem * var(--font-scale));
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 3px;
}
.search-command h2 {
  font-size: calc(1.22rem * var(--font-scale));
  line-height: 1.25;
  letter-spacing: -.025em;
  color: var(--text);
}
.search-metrics {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.search-metrics span {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  padding: 4px 10px;
  font-size: calc(0.72rem * var(--font-scale));
  white-space: nowrap;
}
.search-metrics strong {
  color: var(--accent);
  font-weight: 800;
}
.search-inner {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
#query {
  flex: 1;
  min-width: 240px;
  padding: 10px 16px;
  font-size: calc(0.95rem * var(--font-scale));
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color var(--tr), box-shadow var(--tr), background var(--tr);
}
#query::placeholder { color: var(--text-dim); }
#query:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
#lang {
  padding: 10px 12px;
  font-size: calc(0.85rem * var(--font-scale));
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color var(--tr), background var(--tr);
}
#lang:focus { border-color: var(--accent); }
#lang option { background: var(--bg); }
#searchBtn {
  padding: 10px 26px;
  font-size: calc(0.9rem * var(--font-scale));
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  color: #fff;
  background: var(--accent);
  transition: transform var(--tr), box-shadow var(--tr), background var(--tr);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
#searchBtn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-glow);
}
#searchBtn:active { transform: translateY(0); }

#searchBtn:focus-visible,
.btn-icon:focus-visible,
.cat-tab:focus-visible,
.app-nav-link:focus-visible,
.app-drawer-link:focus-visible,
.theme-btn:focus-visible,
.ctrl-btn:focus-visible,
.history-chip:focus-visible,
.copy-cite-btn:focus-visible {
  outline: 3px solid var(--accent-glow);
  outline-offset: 2px;
}

/* ════════════════════════════════════════
   Category tabs bar
   ════════════════════════════════════════ */
.cat-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  transition: background var(--tr);
  overflow-x: auto;
}
.cat-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0;
  align-items: stretch;
}
.cat-tab {
  padding: 10px 20px;
  font-size: calc(0.82rem * var(--font-scale));
  font-family: inherit;
  font-weight: 600;
  border: none;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--tr), border-color var(--tr), background var(--tr);
  letter-spacing: .01em;
}
.cat-tab:hover {
  color: var(--accent);
  background: var(--accent-dim);
}
.cat-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--accent-dim);
}

/* Category badge on cards */
.cat-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 12px;
  font-size: calc(0.65rem * var(--font-scale));
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}
.cat-gosho  { background: rgba(34,128,235,0.12); color: #1a5cc4;
              border: 1px solid rgba(34,128,235,0.25); }
.cat-lotus  { background: rgba(139,92,246,0.12);  color: #6d28d9;
              border: 1px solid rgba(139,92,246,0.25); }
.cat-ikeda  { background: rgba(234,88,12,0.10);   color: #c2410c;
              border: 1px solid rgba(234,88,12,0.22); }
[data-theme="dark"] .cat-gosho  { color: #93c5fd; border-color: rgba(147,197,253,0.3); }
[data-theme="dark"] .cat-lotus  { color: #c4b5fd; border-color: rgba(196,181,253,0.3); }
[data-theme="dark"] .cat-ikeda  { color: #fdba74; border-color: rgba(253,186,116,0.3); }

/* ════════════════════════════════════════
   Filter bar
   ════════════════════════════════════════ */
.filter-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 8px 32px;
  transition: background var(--tr);
}
.filter-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.filter-left  { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-right { display: flex; gap: 8px; align-items: center; }
.filter-label {
  color: var(--text-dim);
  font-size: calc(0.72rem * var(--font-scale));
  letter-spacing: .07em;
  text-transform: uppercase;
  font-weight: 700;
}
.filter-bar select {
  padding: 6px 10px;
  font-size: calc(0.82rem * var(--font-scale));
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color var(--tr), background var(--tr);
  max-width: 260px;
}
.filter-bar select:hover { border-color: var(--border-acc); }
.filter-bar select option { background: var(--bg); }
.btn-icon {
  padding: 6px 14px;
  font-size: calc(0.78rem * var(--font-scale));
  font-family: inherit;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--tr);
  white-space: nowrap;
}
.btn-icon:hover:not(:disabled) {
  border-color: var(--border-acc);
  color: var(--accent);
  background: var(--accent-dim);
}
.btn-icon:disabled { opacity: .35; cursor: default; }
.btn-export { color: var(--accent); border-color: var(--border-acc); }
.btn-export:not(:disabled):hover { background: var(--accent-dim); }

/* ════════════════════════════════════════
   History bar
   ════════════════════════════════════════ */
.history-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 7px 32px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  animation: slideDown .2s ease;
  transition: background var(--tr);
}
.history-bar:empty { display: none; }
.history-bar .filter-label { color: var(--text-dim); }
.history-chip {
  padding: 3px 12px;
  font-size: calc(0.76rem * var(--font-scale));
  font-family: inherit;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--tr);
}
.history-chip:hover {
  border-color: var(--border-acc);
  color: var(--accent);
  background: var(--accent-dim);
}
.history-clear {
  padding: 3px 10px;
  font-size: calc(0.73rem * var(--font-scale));
  font-family: inherit;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--tr);
  text-decoration: underline;
  margin-left: 4px;
}
.history-clear:hover { color: var(--red); }

/* ════════════════════════════════════════
   Stats bar
   ════════════════════════════════════════ */
.stats-bar {
  padding: 8px 32px;
  font-size: calc(0.82rem * var(--font-scale));
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  transition: background var(--tr);
}
.stats-bar strong { color: var(--accent); font-weight: 700; }

/* ════════════════════════════════════════
   Results wrapper
   ════════════════════════════════════════ */
#results {
  padding: 20px 32px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ════════════════════════════════════════
   Card view
   ════════════════════════════════════════ */
.result-card {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
  opacity: 0;
  animation: fadeInUp .28s ease forwards;
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr), background var(--tr);
}
.result-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
  opacity: .18;
}
.result-card.result-gosho::before { background: #2280eb; opacity: .32; }
.result-card.result-lotus::before { background: #8b5cf6; opacity: .32; }
.result-card.result-ikeda::before { background: #ea580c; opacity: .32; }
.result-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.card-header {
  background: var(--surface);
  padding: 8px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background var(--tr);
}
.tag {
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-weight: 700;
  font-size: calc(0.7rem * var(--font-scale));
  letter-spacing: .04em;
  font-family: 'Inter', monospace;
  transition: background var(--tr);
}
.tag.book {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--border-acc);
  font-weight: 700;
}
.number-tag {
  background: rgba(236, 62, 41, 0.1);
  color: var(--red);
  border: 1px solid rgba(236, 62, 41, 0.22);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: calc(0.69rem * var(--font-scale));
  font-family: 'Inter', monospace;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}
.number-tag.table-number {
  display: inline-flex;
  margin: 0 0 4px;
  padding: 1px 7px;
  font-size: calc(0.65rem * var(--font-scale));
}
.card-chapter {
  color: var(--text-muted);
  flex: 1;
  font-size: calc(0.78rem * var(--font-scale));
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-page { color: var(--text-dim); font-size: calc(0.72rem * var(--font-scale)); }
.hit-badge {
  background: var(--hit-bg);
  color: var(--hit-text);
  border: 1px solid var(--border-acc);
  border-radius: 20px;
  padding: 1px 9px;
  font-size: calc(0.72rem * var(--font-scale));
  font-weight: 700;
  white-space: nowrap;
}
.copy-cite-btn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 2px 9px;
  font-family: inherit;
  font-size: calc(0.68rem * var(--font-scale));
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--tr);
}
.copy-cite-btn:hover {
  background: var(--accent-dim);
  border-color: var(--border-acc);
  color: var(--accent);
}
.copy-cite-btn.copied {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.copy-cite-btn.table-copy {
  padding: 3px 10px;
  font-size: calc(0.66rem * var(--font-scale));
}
.card-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  padding-top: 12px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}
.open-reader-link {
  border: 1px solid var(--border-acc);
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  text-decoration: none;
  font-size: calc(0.68rem * var(--font-scale));
  font-weight: 800;
  transition: all var(--tr);
}
.open-reader-link:hover {
  background: var(--accent);
  color: #fff;
}
.card-body { padding: 14px 16px; }
.lang-block { margin-bottom: 14px; }
.lang-block:last-of-type { margin-bottom: 0; }
.lang-label {
  font-size: calc(0.68rem * var(--font-scale));
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.lang-text {
  font-size: calc(0.9rem * var(--font-scale));
  line-height: 1.85;
  color: var(--text);
}
mark.en {
  background: var(--mark-en-bg);
  color: var(--mark-en-text);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}
mark.th {
  background: var(--mark-th-bg);
  color: var(--mark-th-text);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}
.note-block {
  font-size: calc(0.78rem * var(--font-scale));
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 10px;
  font-style: italic;
  transition: border-color var(--tr);
}

/* ════════════════════════════════════════
   Table view
   ════════════════════════════════════════ */
.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: calc(0.83rem * var(--font-scale));
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--border);
  animation: fadeInUp .25s ease forwards;
  transition: background var(--tr), border-color var(--tr);
}
.result-table th {
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-size: calc(0.72rem * var(--font-scale));
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 700;
  border-bottom: 2px solid var(--accent-hover);
  white-space: nowrap;
}
.result-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.65;
  color: var(--text);
  transition: background var(--tr);
}
.result-table tr:last-child td { border-bottom: none; }
.result-table tr:hover td { background: var(--surface); }
.col-id   { width: 90px; white-space: nowrap; }
.col-book { width: 60px; text-align: center; }
.col-hits { width: 70px; text-align: center; }
.col-th   { width: 38%; }
.col-en   { width: 38%; }
.tbl-tag {
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: calc(0.7rem * var(--font-scale));
  font-weight: 700;
  font-family: 'Inter', monospace;
}
.tbl-book {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border-acc);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: calc(0.7rem * var(--font-scale));
  font-weight: 700;
}
.tbl-hits {
  background: var(--hit-bg);
  color: var(--hit-text);
  border: 1px solid var(--border-acc);
  border-radius: 20px;
  padding: 1px 8px;
  font-size: calc(0.7rem * var(--font-scale));
  font-weight: 700;
}
.snippet {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ════════════════════════════════════════
   Empty state
   ════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 72px 20px;
  color: var(--text-muted);
}
.empty-state svg {
  opacity: .2;
  margin: 0 auto 16px;
  display: block;
  stroke: var(--accent);
}
.empty-state p {
  font-size: calc(0.95rem * var(--font-scale));
  color: var(--text-muted);
}
.empty-state strong { color: var(--accent); }

/* ════════════════════════════════════════
   Pagination
   ════════════════════════════════════════ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 24px 0 8px;
  flex-wrap: wrap;
}
.pagination button {
  padding: 7px 14px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  border-radius: 8px;
  cursor: pointer;
  font-size: calc(0.82rem * var(--font-scale));
  font-family: inherit;
  color: var(--text-muted);
  transition: all var(--tr);
}
.pagination button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 700;
}
.pagination button:hover:not(.active) {
  border-color: var(--border-acc);
  color: var(--accent);
  background: var(--accent-dim);
}

.scroll-top-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border-acc);
  background: var(--accent);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  cursor: pointer;
  z-index: 350;
  box-shadow: 0 10px 28px var(--accent-glow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(.96);
  transition: opacity var(--tr), transform var(--tr), background var(--tr);
}
.scroll-top-btn.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.scroll-top-btn:hover {
  background: var(--accent-hover);
  animation: softPulse 1.1s ease;
}
.app-toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 700;
  transform: translate(-50%, 12px) scale(.98);
  opacity: 0;
  pointer-events: none;
  border: 1px solid var(--border-acc);
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  padding: 9px 16px;
  font-size: calc(0.78rem * var(--font-scale));
  font-weight: 800;
  box-shadow: var(--shadow-hover);
  transition: opacity .22s ease, transform .22s ease;
}
.app-toast.show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

/* ════════════════════════════════════════
   Responsive polish
   ════════════════════════════════════════ */
@media (max-width: 900px) {
  header { padding: 0 18px; }
  .header-logo { height: 32px; }
  .header-text h1 { font-size: calc(1rem * var(--font-scale)); }
  .search-bar, .cat-bar, .filter-bar, .history-bar, .stats-bar {
    padding-left: 18px;
    padding-right: 18px;
  }
  #results { padding: 16px 18px 48px; }
  .search-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: stretch;
  }
  .search-command {
    padding: 14px;
    border-radius: 16px;
  }
  .search-command-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .search-metrics {
    justify-content: flex-start;
  }
  #query { grid-column: 1 / -1; min-width: 0; }
  #lang, #searchBtn { width: 100%; }
  .filter-inner { align-items: stretch; }
  .filter-left, .filter-right { width: 100%; }
  .filter-left select { flex: 1; min-width: 150px; max-width: none; }
  .filter-right .btn-icon { flex: 1; }
  .card-header { gap: 6px; }
  .card-chapter { flex-basis: 100%; white-space: normal; }
}

@media (max-width: 640px) {
  :root, [data-theme="light"], [data-theme="dark"], [data-theme="sepia"] {
    --app-header-h: 54px;
  }
  .header-text h1 { max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
  .app-drawer { width: min(320px, 92vw); }
  .cat-inner { min-width: max-content; }
  .cat-tab { padding: 10px 14px; }
  .history-chip { max-width: 44vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .result-card { border-radius: 12px; }
  .card-body { padding: 12px; }
  .card-actions .copy-cite-btn,
  .card-actions .open-reader-link {
    flex: 1 1 auto;
    text-align: center;
  }
  .lang-text { font-size: calc(0.9rem * var(--font-scale)); line-height: 1.85; }
  .result-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  .pagination { gap: 5px; }
  .pagination button { padding: 6px 9px; min-width: 34px; }
  .scroll-top-btn { right: 14px; bottom: 14px; width: 40px; height: 40px; }
}