:root {
  --ink-950: #050b14;
  --ink-900: #07111f;
  --ink-850: #0a1626;
  --ink-800: #0d1b2e;
  --ink-750: #11243a;
  --ink-700: #17304a;
  --ink-600: #24435f;
  --white: #f7fbff;
  --text-primary: #edf7ff;
  --text-secondary: #9fb5c7;
  --text-muted: #6f889d;
  --cyan-300: #72f6ed;
  --cyan-400: #36d9d0;
  --cyan-500: #16bdb6;
  --purple-300: #aa9dff;
  --purple-400: #8e7cff;
  --purple-500: #6d5be8;
  --gold-400: #f4c96b;
  --rose-400: #ff7f98;
  --green-400: #72e8a1;
  --danger-400: #ff6d79;

  --surface-glass: rgba(11, 25, 42, 0.76);
  --surface-raised: rgba(14, 31, 51, 0.92);
  --surface-soft: rgba(18, 39, 62, 0.64);
  --surface-hover: rgba(28, 58, 86, 0.72);
  --line-soft: rgba(151, 192, 220, 0.12);
  --line-strong: rgba(120, 227, 220, 0.28);
  --cyan-soft: rgba(54, 217, 208, 0.12);
  --purple-soft: rgba(142, 124, 255, 0.14);
  --gold-soft: rgba(244, 201, 107, 0.12);
  --rose-soft: rgba(255, 127, 152, 0.12);

  --shadow-sm: 0 8px 24px rgba(0, 7, 16, 0.18);
  --shadow-md: 0 20px 52px rgba(0, 5, 14, 0.28);
  --shadow-lg: 0 32px 80px rgba(0, 5, 14, 0.45);
  --glow-cyan: 0 0 48px rgba(54, 217, 208, 0.16);
  --glow-purple: 0 0 48px rgba(142, 124, 255, 0.16);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --sidebar-width: 232px;
  --topbar-height: 82px;
  --content-max: 1680px;

  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --ease-spring: cubic-bezier(.16, 1, .3, 1);
  --font-sans: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}