/* ── Read Paper inline badge button ────────────────────────── */
.read-paper-btn-inline {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 5px 14px;
  border-radius: 10px;
  background: transparent;
  color: var(--accent);
  border: 1.5px solid rgba(37, 99, 235, 0.3);
  text-decoration: none;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.18s;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  line-height: 1.1;
  min-width: 0;
  max-width: 110px;
  box-sizing: border-box;
}
.read-paper-btn-inline:hover,
.read-paper-btn-inline:focus-visible {
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.2),
    rgba(124, 58, 237, 0.14)
  );
  color: var(--accent);
  border-color: rgba(37, 99, 235, 0.48);
}
body.dark-mode .read-paper-btn-inline {
  background: linear-gradient(
    135deg,
    rgba(120, 148, 255, 0.14),
    rgba(180, 120, 255, 0.08)
  );
  color: var(--accent);
  border: 1.5px solid rgba(120, 148, 255, 0.32);
}
body.dark-mode .read-paper-btn-inline:hover,
body.dark-mode .read-paper-btn-inline:focus-visible {
  background: linear-gradient(
    135deg,
    rgba(120, 148, 255, 0.24),
    rgba(180, 120, 255, 0.16)
  );
  color: var(--accent);
  border-color: rgba(120, 148, 255, 0.52);
}
/* ═══════════════════════════════════════════════════════════════
   Annotation Survey — Design System
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables (Light mode = default) ──────────────────── */
:root {
  --header-h: 84px;
  --bg: #f4f6fb;
  --surface: rgba(255, 255, 255, 0.72);
  --surface2: rgba(0, 0, 0, 0.04);
  --text: #0f172a;
  --muted: #4b5568;
  --muted2: #718096;
  --border: rgba(15, 23, 42, 0.1);
  --border2: rgba(15, 23, 42, 0.18);
  --shadow: 0 20px 56px rgba(16, 24, 56, 0.14);
  --radius: 14px;
  --radius2: 20px;
  --focus: 0 0 0 3px rgba(37, 99, 235, 0.22);
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --danger: rgba(220, 38, 38, 0.9);
  --header-shimmer: linear-gradient(
    90deg,
    transparent 0%,
    rgba(37, 99, 235, 0.5) 25%,
    rgba(124, 58, 237, 0.42) 75%,
    transparent 100%
  );
  /* Category colours */
  --c-green: #059669;
  --c-green-bg: rgba(5, 150, 105, 0.08);
  --c-green-border: rgba(5, 150, 105, 0.28);
  --c-orange: #d97706;
  --c-orange-bg: rgba(217, 119, 6, 0.08);
  --c-orange-border: rgba(217, 119, 6, 0.28);
  --c-violet: #7c3aed;
  --c-violet-bg: rgba(124, 58, 237, 0.08);
  --c-violet-border: rgba(124, 58, 237, 0.24);
  --c-teal: #0d9488;
  --c-teal-bg: rgba(13, 148, 136, 0.08);
  --c-teal-border: rgba(13, 148, 136, 0.28);
  --c-indigo: #4338ca;
  --c-indigo-bg: rgba(67, 56, 202, 0.08);
  --c-indigo-border: rgba(67, 56, 202, 0.24);
  --c-amber: #b45309;
  --c-amber-bg: rgba(180, 83, 9, 0.08);
  --c-amber-border: rgba(180, 83, 9, 0.26);
  --c-red: #dc2626;
  --c-red-bg: rgba(220, 38, 38, 0.08);
  --c-red-border: rgba(220, 38, 38, 0.24);
  --c-cyan: #0891b2;
  --c-cyan-bg: rgba(8, 145, 178, 0.08);
  --c-cyan-border: rgba(8, 145, 178, 0.26);
}

/* ── Dark Mode overrides ────────────────────────────────────── */
body.dark-mode {
  --bg: #0f1118;
  --surface: rgba(255, 255, 255, 0.05);
  --surface2: rgba(255, 255, 255, 0.09);
  --text: #f0f2fa;
  --muted: #c2cce0;
  --muted2: #8a96b0;
  --border: rgba(255, 255, 255, 0.13);
  --border2: rgba(255, 255, 255, 0.22);
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.55);
  --focus: 0 0 0 3px rgba(120, 148, 255, 0.32);
  --accent: #7b94ff;
  --accent-soft: rgba(123, 148, 255, 0.14);
  --danger: rgba(255, 110, 110, 0.9);
  --header-shimmer: linear-gradient(
    90deg,
    transparent 0%,
    rgba(120, 148, 255, 0.6) 25%,
    rgba(180, 120, 255, 0.5) 75%,
    transparent 100%
  );
  /* Category colours (dark adjusted) */
  --c-green: #34d399;
  --c-green-bg: rgba(52, 211, 153, 0.1);
  --c-green-border: rgba(52, 211, 153, 0.25);
  --c-orange: #fbbf24;
  --c-orange-bg: rgba(251, 191, 36, 0.1);
  --c-orange-border: rgba(251, 191, 36, 0.25);
  --c-violet: #a78bfa;
  --c-violet-bg: rgba(167, 139, 250, 0.1);
  --c-violet-border: rgba(167, 139, 250, 0.25);
  --c-teal: #2dd4bf;
  --c-teal-bg: rgba(45, 212, 191, 0.1);
  --c-teal-border: rgba(45, 212, 191, 0.25);
  --c-indigo: #818cf8;
  --c-indigo-bg: rgba(129, 140, 248, 0.1);
  --c-indigo-border: rgba(129, 140, 248, 0.24);
  --c-amber: #fcd34d;
  --c-amber-bg: rgba(252, 211, 77, 0.1);
  --c-amber-border: rgba(252, 211, 77, 0.22);
  --c-red: #f87171;
  --c-red-bg: rgba(248, 113, 113, 0.1);
  --c-red-border: rgba(248, 113, 113, 0.24);
  --c-cyan: #22d3ee;
  --c-cyan-bg: rgba(34, 211, 238, 0.1);
  --c-cyan-border: rgba(34, 211, 238, 0.24);
}

/* ── Reset + Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(
      900px 600px at 15% 0%,
      rgba(37, 99, 235, 0.1),
      transparent 60%
    ),
    radial-gradient(
      800px 520px at 90% 10%,
      rgba(124, 58, 237, 0.08),
      transparent 60%
    ),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

body.dark-mode {
  background:
    radial-gradient(
      900px 600px at 15% 0%,
      rgba(120, 148, 255, 0.14),
      transparent 60%
    ),
    radial-gradient(
      800px 520px at 90% 10%,
      rgba(180, 120, 255, 0.1),
      transparent 60%
    ),
    var(--bg);
}

button,
input {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
}
a {
  color: inherit;
}

/* ── Skip link ──────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 14px;
  z-index: 9999;
  text-decoration: none;
  font-size: 13px;
  border-radius: 0 0 8px 0;
  transition: top 0.25s ease;
}
.skip-link:focus {
  top: 0;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(120, 130, 160, 0.2);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(120, 130, 160, 0.38);
}

/* ═══════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════ */
.top {
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid var(--border);
  background: rgba(246, 247, 251, 0.82);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 4px 28px rgba(20, 30, 60, 0.1);
}
body.dark-mode .top {
  background: rgba(11, 12, 15, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.07);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 4px 32px rgba(0, 0, 0, 0.35);
}

/* Shimmer accent line at the very top */
.top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--header-shimmer);
  pointer-events: none;
  z-index: 1;
}

.top__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 24px 16px;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.top__title h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.022em;
  line-height: 1.18;
  background: linear-gradient(115deg, #151923 0%, #2563eb 55%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body.dark-mode .top__title h1 {
  background: linear-gradient(
    115deg,
    var(--text) 0%,
    rgba(167, 187, 255, 0.95) 55%,
    rgba(200, 150, 255, 0.82) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.top__title p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
  white-space: nowrap;
}
.top__authors {
  margin-top: 3px !important;
  font-size: 12px !important;
  color: var(--muted) !important;
  white-space: nowrap;
}
.top__authors em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

/* ── Header controls: search + download + toggle ────────────── */
.top__actions {
  flex-shrink: 0;
}

.top__controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Search wrapper */
.search-bar-container {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 11px;
  color: var(--muted2);
  pointer-events: none;
  flex-shrink: 0;
}
#search-bar {
  padding: 9px 14px 9px 34px;
  width: 280px;
  border: 1px solid var(--border2);
  border-radius: 12px;
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}
#search-bar::placeholder {
  color: var(--muted2);
}
#search-bar:focus {
  border-color: var(--accent);
  box-shadow: var(--focus);
  background: var(--bg);
}

/* Generic button */
.btn {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border2);
  background: var(--surface2);
  border-radius: 12px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.18s cubic-bezier(0.2, 0.9, 0.2, 1),
    background 0.2s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}
.btn:hover {
  transform: translateY(-2px) scale(1.01);
  background: var(--surface);
  border-color: var(--border2);
  box-shadow: 0 6px 18px rgba(14, 20, 40, 0.12);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    background 0.2s,
    color 0.2s;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: #1741a6;
  color: #fff;
}
body.dark-mode .btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(123, 148, 255, 0.13);
}
body.dark-mode .btn--primary:hover,
body.dark-mode .btn--primary:focus-visible {
  background: #4e5ed6;
  color: #fff;
}

#download-csv-button {
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.12),
    rgba(124, 58, 237, 0.08)
  );
  border-color: rgba(37, 99, 235, 0.3);
  font-weight: 600;
}
body.dark-mode #download-csv-button {
  background: linear-gradient(
    135deg,
    rgba(120, 148, 255, 0.14),
    rgba(180, 120, 255, 0.08)
  );
  border-color: rgba(120, 148, 255, 0.32);
}
#download-csv-button:hover {
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.2),
    rgba(124, 58, 237, 0.14)
  );
  border-color: rgba(37, 99, 235, 0.48);
}
body.dark-mode #download-csv-button:hover {
  background: linear-gradient(
    135deg,
    rgba(120, 148, 255, 0.24),
    rgba(180, 120, 255, 0.16)
  );
  border-color: rgba(120, 148, 255, 0.52);
}

/* ── Dark mode toggle ───────────────────────────────────────── */
.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-label {
  position: absolute;
  inset: 0;
  cursor: pointer;
  background: var(--border2);
  border-radius: 999px;
  border: 1px solid var(--border2);
  transition:
    background 0.35s ease,
    box-shadow 0.3s ease;
}
.toggle-label::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 2px;
  bottom: 2px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
}
#dark-mode-toggle:checked + .toggle-label {
  background: rgba(37, 99, 235, 0.7);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
body.dark-mode #dark-mode-toggle:checked + .toggle-label {
  background: rgba(120, 148, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(120, 148, 255, 0.15);
}
#dark-mode-toggle:checked + .toggle-label::before {
  transform: translateX(24px);
}

.toggle-switch-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  line-height: 1;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.sun {
  left: 5px;
  opacity: 1;
}
.moon {
  right: 4px;
  opacity: 0;
}
#dark-mode-toggle:checked + .toggle-label .sun {
  opacity: 0;
}
#dark-mode-toggle:checked + .toggle-label .moon {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */
.layout {
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - var(--header-h));
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: 282px;
  flex-shrink: 0;
  height: calc(100vh - var(--header-h));
  position: sticky;
  top: var(--header-h);
  border-right: 1px solid var(--border2);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}
body.dark-mode .sidebar {
  background: #14161f;
  border-right-color: rgba(255, 255, 255, 0.12);
}

.sidebar__inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 12px 20px;
  gap: 8px;
  min-height: 0;
}

/* ── Filter containers ──────────────────────────────────────── */
.filter-container {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow:
    0 1px 4px rgba(15, 23, 42, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transition:
    background 0.25s ease,
    border-color 0.25s ease;
}
body.dark-mode .filter-container {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Chart container – slightly taller */
.filter-container--chart {
  padding-bottom: 12px;
}
.filter-container--chart canvas {
  width: 100% !important;
  height: 120px !important;
  max-height: 120px;
  margin-top: 8px;
  display: block;
}

.filter-container__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}
.filter-container__label {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Paper count badge */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  min-width: 36px;
  letter-spacing: -0.02em;
  transition: background 0.25s ease;
}

/* Year range display — two pill badges */
.year-values {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

/* ── noUiSlider — clean pill track with thumb ───────────────── */
#year-range-slider {
  margin: 14px 6px 6px;
  height: 4px;
}

/* Track */
.noUi-target {
  background: var(--border2) !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 999px !important;
  height: 4px !important;
}

/* Fill between handles */
.noUi-connect {
  background: linear-gradient(
    90deg,
    rgba(99, 102, 241, 0.8),
    rgba(37, 99, 235, 0.8)
  ) !important;
  box-shadow: none !important;
  border-radius: 999px !important;
  transition: background 0.2s ease !important;
}
body.dark-mode .noUi-connect {
  background: linear-gradient(
    90deg,
    rgba(120, 148, 255, 0.85),
    rgba(180, 120, 255, 0.75)
  ) !important;
}

/* Thumb handles */
.noUi-handle {
  width: 18px !important;
  height: 18px !important;
  background: #fff !important;
  border: 2.5px solid rgba(99, 102, 241, 0.9) !important;
  border-radius: 50% !important;
  box-shadow:
    0 2px 8px rgba(99, 102, 241, 0.35),
    0 0 0 3px rgba(99, 102, 241, 0.08) !important;
  outline: none !important;
  top: -7px !important; /* (18 - 4) / 2 = 7 */
  right: -9px !important; /* half of width */
  cursor: grab !important;
  transition:
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    transform 0.15s ease !important;
}
body.dark-mode .noUi-handle {
  background: #1e2030 !important;
  border-color: rgba(120, 148, 255, 0.85) !important;
  box-shadow:
    0 2px 8px rgba(120, 148, 255, 0.35),
    0 0 0 3px rgba(120, 148, 255, 0.1) !important;
}
.noUi-handle:hover {
  box-shadow:
    0 2px 10px rgba(99, 102, 241, 0.5),
    0 0 0 5px rgba(99, 102, 241, 0.12) !important;
  transform: scale(1.1) !important;
}
.noUi-handle:active {
  cursor: grabbing !important;
  transform: scale(1.15) !important;
  box-shadow:
    0 3px 14px rgba(99, 102, 241, 0.55),
    0 0 0 6px rgba(99, 102, 241, 0.15) !important;
}
.noUi-handle::before,
.noUi-handle::after {
  display: none !important;
}

/* ── Clear Filters button ───────────────────────────────────── */
#clear-filters-btn {
  width: 100%;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 10px;
  border-color: rgba(220, 38, 38, 0.3);
  background: rgba(220, 38, 38, 0.07);
  color: #c81e1e;
  letter-spacing: 0.01em;
  gap: 6px;
}
#clear-filters-btn::before {
  content: "✕";
  font-size: 10px;
}
#clear-filters-btn:hover {
  background: rgba(220, 38, 38, 0.14);
  border-color: rgba(220, 38, 38, 0.5);
  color: #b91c1c;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.15);
  transform: translateY(-1px) scale(1.01);
}
body.dark-mode #clear-filters-btn {
  border-color: rgba(255, 110, 110, 0.35);
  background: rgba(255, 110, 110, 0.1);
  color: #fc8585;
}
body.dark-mode #clear-filters-btn:hover {
  background: rgba(255, 110, 110, 0.18);
  border-color: rgba(255, 110, 110, 0.55);
  color: #feb8b8;
}

/* ── Filter header (inside filter containers) ───────────────── */
.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.filter-header h4 {
  margin: 0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Select All / Deselect All button ───────────────────────── */
.select-all-button {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1.5px solid var(--border2);
  border-radius: 20px;
  background: transparent;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
  white-space: nowrap;
}
.select-all-button:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.select-all-button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* ── Scrollable filter groups wrapper ───────────────────────── */
.filter-sections-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Filter items grid wrapper ──────────────────────────────── */
.filter-items-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.filter-items-grid--column {
  flex-direction: column;
  gap: 3px;
}

/* ── Chip-style filter items (Venues) ───────────────────────── */
.venue-filter {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1.5px solid var(--border2);
  background: var(--surface2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease,
    box-shadow 0.16s ease;
}
.venue-filter input[type="checkbox"] {
  display: none;
}
.venue-filter:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.venue-filter:hover {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ── Full-width chip rows (Categories) ──────────────────────── */
.other-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 9px;
  border: 1.5px solid var(--border2);
  background: var(--surface2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease;
  width: 100%;
}
.other-filter input[type="checkbox"] {
  display: none;
}
.other-filter:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
  font-weight: 600;
}
.other-filter:not(:has(input:checked)) {
  color: var(--muted2);
}
.other-filter:hover {
  border-color: var(--accent);
  color: var(--text);
}
/* Category-specific active colours */
.other-filter.color-green:has(input:checked) {
  background: var(--c-green-bg);
  border-color: var(--c-green-border);
  color: var(--c-green);
}
.other-filter.color-orange:has(input:checked) {
  background: var(--c-orange-bg);
  border-color: var(--c-orange-border);
  color: var(--c-orange);
}
.other-filter.color-violet:has(input:checked) {
  background: var(--c-violet-bg);
  border-color: var(--c-violet-border);
  color: var(--c-violet);
}
.other-filter.color-teal:has(input:checked) {
  background: var(--c-teal-bg);
  border-color: var(--c-teal-border);
  color: var(--c-teal);
}
.other-filter.color-indigo:has(input:checked) {
  background: var(--c-indigo-bg);
  border-color: var(--c-indigo-border);
  color: var(--c-indigo);
}
.other-filter.color-amber:has(input:checked) {
  background: var(--c-amber-bg);
  border-color: var(--c-amber-border);
  color: var(--c-amber);
}
.other-filter.color-red:has(input:checked) {
  background: var(--c-red-bg);
  border-color: var(--c-red-border);
  color: var(--c-red);
}
.other-filter.color-cyan:has(input:checked) {
  background: var(--c-cyan-bg);
  border-color: var(--c-cyan-border);
  color: var(--c-cyan);
}

/* ── Filter item inner parts ────────────────────────────────── */
.filter-item-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filter-count {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  border: 1.5px solid var(--border2);
  padding: 1px 6px;
  border-radius: 100px;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}
.venue-filter:has(input:checked) .filter-count,
.other-filter:has(input:checked) .filter-count {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}
.other-filter.color-green:has(input:checked) .filter-count {
  background: var(--c-green-bg);
  color: var(--c-green);
}
.other-filter.color-orange:has(input:checked) .filter-count {
  background: var(--c-orange-bg);
  color: var(--c-orange);
}
.other-filter.color-violet:has(input:checked) .filter-count {
  background: var(--c-violet-bg);
  color: var(--c-violet);
}
.other-filter.color-teal:has(input:checked) .filter-count {
  background: var(--c-teal-bg);
  color: var(--c-teal);
}
.other-filter.color-indigo:has(input:checked) .filter-count {
  background: var(--c-indigo-bg);
  color: var(--c-indigo);
}
.other-filter.color-amber:has(input:checked) .filter-count {
  background: var(--c-amber-bg);
  color: var(--c-amber);
}
.other-filter.color-red:has(input:checked) .filter-count {
  background: var(--c-red-bg);
  color: var(--c-red);
}
.other-filter.color-cyan:has(input:checked) .filter-count {
  background: var(--c-cyan-bg);
  color: var(--c-cyan);
}

/* ── Annotation type / generation — segmented toggle buttons ── */
.annotation-filter,
.annotation-generation-filter {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}
.annotation-filter-item,
.annotation-generation-filter-item {
  flex: 1;
  min-width: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 10px;
  border-radius: 9px;
  border: 1.5px solid var(--border2);
  background: var(--surface2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  text-align: center;
  letter-spacing: 0.01em;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease;
}
.annotation-filter-item input[type="checkbox"],
.annotation-generation-filter-item input[type="checkbox"] {
  display: none;
}
.annotation-filter-item:has(input:checked),
.annotation-generation-filter-item:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}
.annotation-filter-item:not(:has(input:checked)),
.annotation-generation-filter-item:not(:has(input:checked)) {
  color: var(--muted2);
}
.annotation-filter-item:hover,
.annotation-generation-filter-item:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════════════ */
.content {
  flex: 1;
  min-width: 0;
  padding: 20px 20px 56px;
}

/* ── Results bar (above cards grid) ──────────────────────────── */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 0 10px;
  flex-wrap: wrap;
}
#results-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.01em;
}
#results-count strong {
  color: var(--text);
  font-weight: 700;
}
.results-bar__right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.results-sort-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted2);
  white-space: nowrap;
}
.results-sort-select {
  appearance: none;
  -webkit-appearance: none;
  font-size: 11.5px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 4px 26px 4px 10px;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%234b5568' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
.results-sort-select:focus {
  border-color: var(--accent);
  box-shadow: var(--focus);
}
body.dark-mode .results-sort-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23c2cce0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  color-scheme: dark;
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.92),
    rgba(244, 246, 252, 0.72)
  );
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
  transition:
    transform 0.22s cubic-bezier(0.2, 0.9, 0.2, 1),
    border-color 0.2s ease,
    box-shadow 0.22s cubic-bezier(0.2, 0.9, 0.2, 1);
  will-change: transform, box-shadow;
}
body.dark-mode .card {
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.065),
    rgba(255, 255, 255, 0.022)
  );
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.22);
  box-shadow:
    0 12px 32px rgba(20, 30, 60, 0.12),
    0 3px 12px rgba(37, 99, 235, 0.08);
}
body.dark-mode .card:hover {
  border-color: rgba(120, 148, 255, 0.22);
  box-shadow:
    0 20px 48px rgba(5, 10, 30, 0.38),
    0 4px 16px rgba(80, 100, 200, 0.14);
}

/* Card image */
.card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
  border-bottom: 1px solid var(--border2);
  background: var(--surface2);
  transition:
    transform 0.3s cubic-bezier(0.2, 0.9, 0.2, 1),
    filter 0.3s ease;
  cursor: pointer;
}
body.dark-mode .card-image {
  background: rgba(255, 255, 255, 0.07);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}
.card:hover .card-image {
  transform: scale(1.03);
  filter: saturate(1.05) contrast(1.02);
}

/* Card body padding */
.card > *:not(.card-image) {
  padding-left: 12px;
  padding-right: 12px;
}

.card h3 {
  margin: 10px 0 3px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.012em;
  color: var(--text);
  padding-left: 12px;
  padding-right: 12px;
}

.card p {
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  padding-left: 12px;
  padding-right: 12px;
}
.card p strong {
  color: var(--text);
}

.card-details {
  margin: 0 12px 6px;
  padding: 6px 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
body.dark-mode .card-details {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}
.card-details p {
  margin: 1px 0;
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.45;
  padding: 0;
}
.card-details p strong {
  color: var(--text);
  font-weight: 600;
}
.card-details a {
  color: var(--accent);
  text-decoration: none;
}
.card-details a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Tags */
.tag {
  display: inline-block;
  background: var(--accent-soft);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  padding: 2px 8px;
  margin: 2px 3px 0 0;
  border-radius: 20px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  opacity: 0.85;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    opacity 0.14s ease,
    transform 0.14s ease,
    box-shadow 0.14s ease;
}
.tag.color-green,
.tag.color-orange,
.tag.color-violet,
.tag.color-teal,
.tag.color-indigo,
.tag.color-amber,
.tag.color-red,
.tag.color-cyan {
  opacity: 1;
}
.tag--clickable {
  cursor: pointer;
}
.tag--clickable:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}
.tag--active {
  box-shadow: 0 0 0 2.5px currentColor !important;
  transform: none;
}
/* ── Category tag colour variants ────────────────────────── */
.tag.color-green {
  background: var(--c-green-bg);
  border-color: var(--c-green-border);
  color: var(--c-green);
}
.tag.color-orange {
  background: var(--c-orange-bg);
  border-color: var(--c-orange-border);
  color: var(--c-orange);
}
.tag.color-violet {
  background: var(--c-violet-bg);
  border-color: var(--c-violet-border);
  color: var(--c-violet);
}
.tag.color-teal {
  background: var(--c-teal-bg);
  border-color: var(--c-teal-border);
  color: var(--c-teal);
}
.tag.color-indigo {
  background: var(--c-indigo-bg);
  border-color: var(--c-indigo-border);
  color: var(--c-indigo);
}
.tag.color-amber {
  background: var(--c-amber-bg);
  border-color: var(--c-amber-border);
  color: var(--c-amber);
}
.tag.color-red {
  background: var(--c-red-bg);
  border-color: var(--c-red-border);
  color: var(--c-red);
}
.tag.color-cyan {
  background: var(--c-cyan-bg);
  border-color: var(--c-cyan-border);
  color: var(--c-cyan);
}

/* Abstract toggle */
.triangle-button {
  cursor: pointer;
  color: var(--accent);
  font-size: 11px;
  user-select: none;
  transition:
    color 0.2s ease,
    transform 0.2s ease;
  display: inline-block;
}
.triangle-button:hover {
  color: var(--text);
}

.abstract-div {
  display: none;
  margin: 4px 12px 8px;
  padding: 7px 10px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.55;
  color: var(--muted);
}
body.dark-mode .abstract-div {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Search highlight */
mark {
  background: rgba(37, 99, 235, 0.18);
  color: var(--text);
  border-radius: 3px;
  padding: 0 2px;
}
body.dark-mode mark {
  background: rgba(120, 148, 255, 0.25);
}

/* Card action buttons (PDF / Cite) */
.card-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 12px 10px;
}
.card-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 3px 9px 3px 7px;
  border-radius: 999px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
  white-space: nowrap;
  line-height: 1;
  user-select: none;
}
.card-action-btn svg {
  flex-shrink: 0;
}
.card-action-btn--pdf {
  color: var(--c-red);
  border-color: var(--c-red-border);
  background: var(--c-red-bg);
}
.card-action-btn--bib {
  color: var(--c-indigo);
  border-color: var(--c-indigo-border);
  background: var(--c-indigo-bg);
}
.card-action-btn--disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}
.card-action-btn--pdf:not(.card-action-btn--disabled):hover {
  background: rgba(220, 38, 38, 0.14);
  border-color: var(--c-red);
  color: var(--c-red);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.12);
}
.card-action-btn--bib:hover {
  background: rgba(67, 56, 202, 0.13);
  border-color: var(--c-indigo);
  color: var(--c-indigo);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(67, 56, 202, 0.12);
}

/* ═══════════════════════════════════════════════════════════════
   DRAWER — right-side detail panel
   ═══════════════════════════════════════════════════════════════ */

/* Backdrop overlay — hidden until .is-open is applied */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  justify-content: flex-end;
  /* invisible & non-interactive when closed */
  background: rgba(0, 0, 0, 0);
  visibility: hidden;
  transition:
    background 0.32s ease,
    visibility 0s linear 0.36s; /* delay matches slide-out duration */
}
.drawer-overlay.is-open {
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  visibility: visible;
  transition:
    background 0.32s ease,
    visibility 0s linear 0s; /* immediate on open */
}

/* Drawer panel */
.drawer {
  position: relative;
  z-index: 1;
  width: min(700px, 100vw);
  height: 100%;
  background: var(--bg);
  border-left: 1px solid var(--border2);
  box-shadow:
    -12px 0 56px rgba(0, 0, 0, 0.18),
    -2px 0 10px rgba(0, 0, 0, 0.07);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
  outline: none;
  overflow: hidden;
}
body.dark-mode .drawer {
  background: #13151f;
  border-left-color: rgba(255, 255, 255, 0.1);
  box-shadow: -12px 0 64px rgba(0, 0, 0, 0.6);
}
.drawer-overlay.is-open .drawer {
  transform: translateX(0);
}

/* Header: label + close button */
.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 2;
}
body.dark-mode .drawer__header {
  background: #13151f;
  border-bottom-color: rgba(255, 255, 255, 0.09);
}
.drawer__header-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted2);
}
.drawer__close {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease;
}
.drawer__close:hover {
  background: var(--danger);
  color: #fff;
  border-color: transparent;
  transform: scale(1.06);
}
.drawer__close:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* Drawer hero block: title + meta/actions row */
.drawer__hero {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.drawer__hero-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.drawer__title-actions {
  display: flex;
  flex-direction: row;
  gap: 6px;
  flex-shrink: 0;
  align-items: center;
}

/* Scrollable body */
.drawer__body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

/* Thumbnail image */
.drawer__figure {
  width: 100%;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
body.dark-mode .drawer__figure {
  background: rgba(255, 255, 255, 0.04);
}
.drawer__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.drawer__img:hover {
  transform: scale(1.025);
}

/* Inner padding wrapper */
.drawer__inner {
  padding: 16px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Title */
.drawer__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.016em;
  color: var(--text);
  margin: 0;
}

/* Year + Venue pill row */
.drawer__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.drawer__meta-pill {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--muted);
  white-space: nowrap;
}
.drawer__meta-pill--year {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 800;
}
.drawer__meta-pill--venue {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Definition list for structured metadata */
.drawer__dl {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
body.dark-mode .drawer__dl {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}
.drawer__dl-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  align-items: baseline;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
}
.drawer__dl-row:last-child {
  border-bottom: none;
}
body.dark-mode .drawer__dl-row {
  border-bottom-color: rgba(255, 255, 255, 0.07);
}
.drawer__dl-row dt {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted2);
  padding-right: 10px;
  padding-top: 2px;
  align-self: flex-start;
}
.drawer__dl-row dd {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
}
.drawer__link {
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
  font-size: 12px;
}
.drawer__link:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Section block (Categories, Abstract) */
.drawer__section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.drawer__section-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted2);
}
.drawer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.drawer__abstract {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* Footer action buttons */
.drawer__footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding: 14px 22px 20px;
  background: var(--bg);
  flex-shrink: 0;
}
body.dark-mode .drawer__footer {
  background: #13151f;
  border-top-color: rgba(255, 255, 255, 0.09);
}
.drawer__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: none;
  font-size: 11.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.drawer__btn--pdf {
  background: var(--c-red-bg);
  border-color: var(--c-red-border);
  color: var(--c-red);
}
.drawer__btn--pdf:not(.drawer__btn--disabled):hover {
  background: rgba(220, 38, 38, 0.16);
  border-color: var(--c-red);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.15);
}
.drawer__btn--bib {
  background: var(--c-indigo-bg);
  border-color: var(--c-indigo-border);
  color: var(--c-indigo);
}
.drawer__btn--bib:hover {
  background: rgba(67, 56, 202, 0.15);
  border-color: var(--c-indigo);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(67, 56, 202, 0.15);
}
.drawer__btn--disabled {
  opacity: 0.38;
  cursor: default;
  pointer-events: none;
}

/* Mobile: full-width bottom sheet */
@media (max-width: 540px) {
  .drawer {
    width: 100vw;
    border-left: none;
    border-top: 1px solid var(--border2);
    height: 92dvh;
    transform: translateY(100%);
    border-radius: 20px 20px 0 0;
  }
  .drawer-overlay.is-open .drawer {
    transform: translateY(0);
  }
}

/* ═══════════════════════════════════════════════════════════════
   CARD ANIMATION
   ═══════════════════════════════════════════════════════════════ */
@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.card-animated {
  animation: cardEntrance 0.28s cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    top: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar__inner {
    padding-bottom: 8px;
  }
  .filter-sections-wrapper {
    max-height: 360px;
    overflow-y: auto;
  }
  .content {
    padding: 14px 14px 40px;
  }
}

@media (max-width: 620px) {
  .top__inner {
    gap: 12px;
  }
  .top__title h1 {
    font-size: 18px;
  }
  .top__controls {
    gap: 8px;
  }
  #search-bar {
    width: 100%;
  }
  .search-bar-container {
    flex: 1;
  }
  .cards-container {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}