/* ================================================================
   主题变量 · 方案 A「夜穹鎏金」
   <html data-theme="night|day"> 切换，选择记忆在 localStorage
================================================================ */
:root,
[data-theme="night"] {
  --bg: #0d1220;
  --surface: #141b2d;
  --surface-2: #1b2439;
  --surface-3: #232e47;
  --line: rgba(212, 175, 106, .18);
  --line-strong: rgba(212, 175, 106, .38);
  --text: #ebe4d2;
  --text-dim: #aaa290;
  --text-muted: #77768a;
  --accent: #d4af6a;
  --accent-2: #9b88e0;
  --accent-soft: rgba(212, 175, 106, .08);
  --on-accent: #1a1406;
  --danger: #e0806f;
  --ok: #74c3a0;
  --warn: #e3bd62;
  --c-int: #7fa7e8;
  --c-san: #74c3a0;
  --c-str: #e0806f;
  --c-lck: #e3bd62;
  --c-agi: #6cc6d6;
  --c-cha: #b99ae6;
  --tier-common: #aaa290;
  --tier-rare: #d4af6a;
  --tier-limited: #b99ae6;
  --overlay: rgba(4, 6, 12, .66);
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
  --home-glow: radial-gradient(ellipse at 50% 28%, #1f2b4a 0%, #111829 45%, #0a0e19 100%);
  color-scheme: dark;
}

[data-theme="day"] {
  --bg: #f4eee2;
  --surface: #fbf8f1;
  --surface-2: #eee5d3;
  --surface-3: #e4d8c1;
  --line: rgba(138, 98, 40, .2);
  --line-strong: rgba(138, 98, 40, .42);
  --text: #2a2418;
  --text-dim: #5c5242;
  --text-muted: #8a7e68;
  --accent: #9e6d24;
  --accent-2: #6552a3;
  --accent-soft: rgba(158, 109, 36, .08);
  --on-accent: #fffaf0;
  --danger: #b3473a;
  --ok: #3c8663;
  --warn: #a67c1c;
  --c-int: #3f6fb8;
  --c-san: #3c8663;
  --c-str: #b3473a;
  --c-lck: #b58a1f;
  --c-agi: #2a8a9a;
  --c-cha: #7a55b0;
  --tier-common: #5c5242;
  --tier-rare: #9e6d24;
  --tier-limited: #6552a3;
  --overlay: rgba(60, 45, 20, .35);
  --shadow: 0 10px 30px rgba(90, 70, 30, .15);
  --home-glow: radial-gradient(ellipse at 50% 28%, #fffaf0 0%, #f4eee2 50%, #e9dfcb 100%);
  color-scheme: light;
}

/* 字体分工：叙事宋体、界面黑体、数值等宽 */
:root {
  --font-ui: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Mono', 'Consolas', 'Menlo', monospace;
  --radius: 14px;
  --radius-sm: 10px;
}