/**
 * 全站配色主题（由 html[data-theme] 切换）
 * 默认 dark 即原深蓝配色，无需 data-theme 也可用。
 */

/* ---------- 亮色 ---------- */
html[data-theme="light"] {
  --bg: #eef1f8;
  --bg-soft: #e4e9f4;
  --panel: #ffffff;
  --panel-2: #f7f9fc;
  --border: rgba(20, 35, 70, 0.12);
  --text: #152038;
  --muted: #5a6a88;
  --primary: #1a3d96;
  --accent: #0077cc;
  --danger: #d32f2f;
  --gold: #c79100;
  --shadow: 0 10px 28px rgba(25, 40, 80, 0.12);
}

html[data-theme="light"],
html[data-theme="light"] body {
  background:
    radial-gradient(1000px 520px at 10% -10%, rgba(0, 120, 220, 0.1), transparent 55%),
    radial-gradient(800px 420px at 100% 0%, rgba(26, 61, 150, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
}

html[data-theme="light"] .site-nav {
  background: rgba(244, 247, 252, 0.94);
  border-bottom-color: rgba(15, 30, 60, 0.08);
  box-shadow: 0 8px 20px rgba(15, 30, 60, 0.08);
}

html[data-theme="light"] .site-nav a {
  background: rgba(255, 255, 255, 0.85);
  color: var(--muted);
}

html[data-theme="light"] .site-nav a.active {
  color: #fff;
}

html[data-theme="light"] .site-domain-bar {
  background: rgba(244, 247, 252, 0.92);
  border-color: rgba(15, 30, 60, 0.08);
}

html[data-theme="light"] .site-domain-link {
  color: #b8860b;
}

html[data-theme="light"] .site-domain-link:hover {
  color: #8b6914;
}

html[data-theme="light"] .chip {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
}

html[data-theme="light"] .search-box input,
html[data-theme="light"] .year-select,
html[data-theme="light"] input[type="text"],
html[data-theme="light"] input[type="password"],
html[data-theme="light"] input[type="url"],
html[data-theme="light"] input[type="email"],
html[data-theme="light"] textarea,
html[data-theme="light"] select {
  background: #fff;
  color: var(--text);
}

html[data-theme="light"] .his-header {
  background: rgba(26, 61, 150, 0.12);
  color: #1a3d96;
}

html[data-theme="light"] .lottery-switch {
  background: rgba(255, 255, 255, 0.95);
}

html[data-theme="light"] .filter-label {
  background: #fff;
}

/* ---------- 赤红（彩票风） ---------- */
html[data-theme="crimson"] {
  --bg: #14080a;
  --bg-soft: #1c0c10;
  --panel: #241016;
  --panel-2: #2e141c;
  --border: rgba(255, 120, 120, 0.14);
  --text: #ffeef0;
  --muted: #c49aa2;
  --primary: #b71c1c;
  --accent: #ff5252;
  --danger: #ff8a80;
  --gold: #ffd54f;
  --shadow: 0 12px 40px rgba(80, 0, 10, 0.45);
}

html[data-theme="crimson"],
html[data-theme="crimson"] body {
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(229, 57, 53, 0.22), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(183, 28, 28, 0.2), transparent 48%),
    var(--bg);
  color: var(--text);
}

html[data-theme="crimson"] .site-nav a.active {
  background: linear-gradient(180deg, #e53935, #b71c1c);
  box-shadow: 0 6px 16px rgba(183, 28, 28, 0.4);
}

html[data-theme="crimson"] .btn {
  background: linear-gradient(180deg, #ef5350, #c62828);
}

/* ---------- 墨金 ---------- */
html[data-theme="gold"] {
  --bg: #0f0e0a;
  --bg-soft: #1a1810;
  --panel: #1c1a12;
  --panel-2: #262318;
  --border: rgba(255, 204, 0, 0.14);
  --text: #fff8e7;
  --muted: #b8a97a;
  --primary: #8d6e00;
  --accent: #ffc107;
  --danger: #ff7043;
  --gold: #ffe082;
  --shadow: 0 12px 40px rgba(40, 30, 0, 0.45);
}

html[data-theme="gold"],
html[data-theme="gold"] body {
  background:
    radial-gradient(1100px 560px at 15% -10%, rgba(255, 193, 7, 0.16), transparent 55%),
    radial-gradient(900px 480px at 100% 8%, rgba(141, 110, 0, 0.18), transparent 48%),
    var(--bg);
  color: var(--text);
}

html[data-theme="gold"] .site-nav a.active {
  background: linear-gradient(180deg, #ffc107, #b28704);
  color: #1a1200;
  box-shadow: 0 6px 16px rgba(255, 193, 7, 0.28);
}

html[data-theme="gold"] .btn {
  background: linear-gradient(180deg, #ffca28, #f9a825);
  color: #1a1200;
}

/* ---------- 青绿 ---------- */
html[data-theme="teal"] {
  --bg: #061416;
  --bg-soft: #0c1f22;
  --panel: #10272b;
  --panel-2: #153338;
  --border: rgba(0, 200, 180, 0.14);
  --text: #e8fffb;
  --muted: #86b5ad;
  --primary: #00695c;
  --accent: #26a69a;
  --danger: #ef5350;
  --gold: #ffd54f;
  --shadow: 0 12px 40px rgba(0, 40, 36, 0.45);
}

html[data-theme="teal"],
html[data-theme="teal"] body {
  background:
    radial-gradient(1100px 560px at 12% -10%, rgba(38, 166, 154, 0.2), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(0, 105, 92, 0.22), transparent 48%),
    var(--bg);
  color: var(--text);
}

html[data-theme="teal"] .site-nav a.active {
  background: linear-gradient(180deg, #26a69a, #00796b);
  box-shadow: 0 6px 16px rgba(0, 121, 107, 0.4);
}

html[data-theme="teal"] .btn {
  background: linear-gradient(180deg, #26a69a, #00897b);
}

/* ---------- 紫罗兰 ---------- */
html[data-theme="violet"] {
  --bg: #0c0a16;
  --bg-soft: #151225;
  --panel: #1a1630;
  --panel-2: #221c3d;
  --border: rgba(180, 140, 255, 0.14);
  --text: #f3eeff;
  --muted: #a89bc8;
  --primary: #5e35b1;
  --accent: #b388ff;
  --danger: #ef5350;
  --gold: #ffd54f;
  --shadow: 0 12px 40px rgba(30, 10, 60, 0.45);
}

html[data-theme="violet"],
html[data-theme="violet"] body {
  background:
    radial-gradient(1100px 560px at 12% -10%, rgba(126, 87, 194, 0.22), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(94, 53, 177, 0.2), transparent 48%),
    var(--bg);
  color: var(--text);
}

html[data-theme="violet"] .site-nav a.active {
  background: linear-gradient(180deg, #7e57c2, #5e35b1);
  box-shadow: 0 6px 16px rgba(94, 53, 177, 0.4);
}

html[data-theme="violet"] .btn {
  background: linear-gradient(180deg, #7e57c2, #5e35b1);
}

/* ---------- 配色选择器 UI（顶部时间旁） ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
}

.theme-toggle[aria-expanded="true"] {
  border-color: var(--accent);
  background: rgba(0, 160, 234, 0.12);
}

.theme-toggle-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--theme-swatch, var(--accent));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

/* 无 header 页（如欢迎页）右上角兜底 */
.theme-toggle-fixed {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 95;
  padding: 8px 12px;
  font-size: 13px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow);
}

.theme-panel {
  position: fixed;
  z-index: 96;
  width: min(300px, calc(100vw - 16px));
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow);
  color: var(--text);
}

.theme-panel[hidden] {
  display: none !important;
}

.theme-panel-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.theme-option {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 6px 8px;
  background: rgba(0, 0, 0, 0.12);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.theme-option:hover {
  border-color: var(--accent);
}

.theme-option.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.theme-option-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: var(--swatch, #1a3d96);
}

.theme-option-label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
}

.theme-panel-foot {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* 首页（无 style 全站导航时）同样可用 */
html.home-page[data-theme="light"] body.home-page,
html.home-page[data-theme="light"] .home-bg {
  filter: none;
}

html.home-page[data-theme="light"] body.home-page {
  background: #e8edf7;
  color: #152038;
}

html.home-page[data-theme="light"] .home-bg {
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(0, 120, 220, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 40%, rgba(217, 0, 17, 0.08), transparent 50%),
    linear-gradient(165deg, #e8edf7 0%, #f4f6fb 45%, #eef1f8 100%) !important;
}

html.home-page[data-theme="light"] .home-title {
  color: #152038;
}

html.home-page[data-theme="crimson"] body.home-page {
  background: #14080a;
}

html.home-page[data-theme="gold"] body.home-page {
  background: #0f0e0a;
}

html.home-page[data-theme="teal"] body.home-page {
  background: #061416;
}

html.home-page[data-theme="violet"] body.home-page {
  background: #0c0a16;
}

@media (max-width: 720px) {
  .theme-toggle {
    padding: 3px 8px;
    font-size: 11px;
  }

  .theme-toggle-dot {
    width: 11px;
    height: 11px;
  }
}

/* 极窄屏隐藏「配色」文字，只留色点 */
@media (max-width: 380px) {
  .theme-toggle-text {
    display: none;
  }

  .theme-toggle {
    padding: 5px 8px;
  }
}