:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161C; --surface: #1B1E26; --surface-2: #232733; --line: #2E3342;
  --ink: #E6E8EE; --muted: #8B93A7; --primary: #E0475A; --primary-deep: #B8283B;
  --on-primary: #FFFFFF; --nav-bg: #101217; --nav-ink: #A9B0C2; --nav-active-bg: #232733;
  --nav-active-ink: #FFFFFF; --top-bg: #1B1E26; --top-ink: #E6E8EE; --success: #3CC47C;
  --warning: #E0A526; --danger: #F0605D; --info: #5B8DEF; --overlay: rgba(0,0,0,.65);
  --shadow: 0 1px 3px rgba(0,0,0,.4); --radius: 8px; --radius-sm: 6px;
  --font-body: "PingFang TC","Noto Sans TC",system-ui,sans-serif;
  --font-num: ui-monospace,"SF Mono",Menlo,monospace;
}