/* 
  File Overview:
  - Purpose: Dark theme styles for pages that opt in via .theme-dark.
  - Assumptions: Loaded after site.css so dark overrides apply cleanly.
*/

/* =========================
   Dark Theme (Opt-In)
   ========================= */

.theme-dark {
  --gap: 12px;
  --border: 1px solid rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --bg: #0f1216;
  --panel: #151922;
  --text: #e9edf3;
  --muted: #a7b0bf;
  --accent: #8ab4ff;
  --modal-bg: #151922;
  --modal-text: #e9edf3;
  --modal-muted: #a7b0bf;
}

.theme-dark .pane {
  overflow:auto;
  border: var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.theme-dark .w {
  cursor: pointer;
  padding: 0 2px;
  border-radius: 4px;
  transition: background 0.12s ease, color 0.12s ease, box-shadow 0.12s ease;
}

.theme-dark .w:hover {
  background: rgba(138, 180, 255, 0.18);
  color: #ffffff;
}

.theme-dark .w.active {
  background: rgba(138, 180, 255, 0.30);
  box-shadow: 0 0 0 1px rgba(138, 180, 255, 0.35) inset;
  color: #ffffff;
}

.theme-dark .notes {
  flex: 1;
  border: var(--border);
  background: #10141b;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  overflow: auto;
}

.theme-dark .notes:focus {
  outline: 2px solid rgba(138, 180, 255, 0.35);
}

.theme-dark .notes .entry {
  display: block;
  padding: 6px 4px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.theme-dark .ru {
  display: inline-block;
  font-weight: 650;
  letter-spacing: 0.2px;
  margin-right: 6px;
}

.theme-dark .base {
  display: inline-block;
  font-weight: 500;
  color: #b8c7e6;
  margin-right: 6px;
}

.theme-dark .en {
  color: #e7ebf3;
  opacity: 0.88;
}

.theme-dark .arrow {
  opacity: 0.6;
  margin: 0 4px;
}

.theme-dark .legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.theme-dark .legend .row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.theme-dark .legend .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.theme-dark .legend code {
  font-weight: 700;
  color: var(--accent);
}

/* Buttons (dark theme, scoped to custom controls) */
.theme-dark .btns button,
.theme-dark .btn-neon {
  border: var(--border);
  outline: 1px solid rgba(120,200,255,.8);
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(120, 200, 255, 0.28), rgba(120, 200, 255, 0.05) 60%),
    rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 5px 8px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 650;
  font-size: 11px;
  text-shadow: 0 0 8px rgba(120, 200, 255, 0.6);
  box-shadow:
    inset 0 0 10px rgba(120, 200, 255, 0.25),
    0 0 8px rgba(120, 200, 255, 0.35),
    0 0 16px rgba(120, 200, 255, 0.2);
  transition: box-shadow 0.15s ease, background 0.15s ease, transform 0.08s ease;
}

.theme-dark .btns button:hover,
.theme-dark .btn-neon:hover {
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(120, 200, 255, 0.36), rgba(120, 200, 255, 0.08) 60%),
    rgba(255, 255, 255, 0.10);
  box-shadow:
    inset 0 0 12px rgba(120, 200, 255, 0.35),
    0 0 10px rgba(120, 200, 255, 0.55),
    0 0 22px rgba(120, 200, 255, 0.35),
    0 0 40px rgba(120, 200, 255, 0.2);
}

.theme-dark .btns button:disabled,
.theme-dark .btn-neon:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

/* Navbar (dark theme) */
.theme-dark .navbar {
  background: rgba(14, 18, 26, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
}

.theme-dark .navbar.bg-light {
  background: rgba(8, 10, 16, 0.35) !important;
}

.theme-dark .navbar .navbar-brand {
  color: var(--text) !important;
}

.theme-dark .navbar .nav-link {
  color: var(--muted);
}

.theme-dark .navbar .nav-link:hover,
.theme-dark .navbar .nav-link:focus,
.theme-dark .navbar .nav-link.active {
  color: var(--text);
}

.theme-dark .navbar .form-control {
  background: var(--panel);
  border: var(--border);
  color: var(--text);
}

.theme-dark .navbar .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.theme-dark .navbar .btn-gradient {
  border: var(--border);
  background: linear-gradient(180deg, rgba(32, 110, 200, 0.22), rgba(70, 150, 215, 0.55), rgba(32, 110, 200, 0.22));
  color: #eaf3ff;
  box-shadow: 0 0 8px rgba(120, 200, 255, 0.18);
}

.theme-dark .navbar .btn-gradient:hover {
  opacity: 0.9;
}

body.theme-dark {
  background:
    radial-gradient(1200px 600px at 20% 20%, rgba(20, 90, 120, 0.18), transparent 60%),
    radial-gradient(1000px 600px at 80% 30%, rgba(40, 120, 90, 0.12), transparent 55%),
    #0b121a;
}

.theme-dark .search-dropdown {
  background: #0f141c;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

.theme-dark .search-dropdown li {
  color: var(--text);
}