:root {
  color-scheme: light;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Monaco, Consolas, monospace;

  --bg: #f5f5f7;
  --bg-elevated: rgba(255, 255, 255, 0.78);
  --surface: #ffffff;
  --surface-2: #f9f9fb;
  --surface-3: #efeff4;
  --glass: rgba(255, 255, 255, 0.68);
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #8e8e93;
  --border: rgba(60, 60, 67, 0.12);
  --border-strong: rgba(60, 60, 67, 0.18);

  --accent: #007aff;
  --accent-pressed: #0062cc;
  --accent-soft: rgba(0, 122, 255, 0.11);
  --positive: #34c759;
  --positive-soft: rgba(52, 199, 89, 0.12);
  --warning: #ff9500;
  --warning-soft: rgba(255, 149, 0, 0.13);
  --negative: #ff3b30;
  --negative-soft: rgba(255, 59, 48, 0.12);
  --purple: #af52de;
  --purple-soft: rgba(175, 82, 222, 0.12);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 8px 28px rgba(0, 0, 0, 0.055);
  --shadow-md: 0 18px 60px rgba(0, 0, 0, 0.09);

  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;

  --sidebar-width: 256px;
  --topbar-height: 92px;
  --content-max: 1480px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --bg-elevated: rgba(28, 28, 30, 0.82);
  --surface: #1c1c1e;
  --surface-2: #242426;
  --surface-3: #2c2c2e;
  --glass: rgba(28, 28, 30, 0.72);
  --text: #f5f5f7;
  --text-2: #aeaeb2;
  --text-3: #8e8e93;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #0a84ff;
  --accent-pressed: #409cff;
  --accent-soft: rgba(10, 132, 255, 0.18);
  --positive: #30d158;
  --positive-soft: rgba(48, 209, 88, 0.16);
  --warning: #ff9f0a;
  --warning-soft: rgba(255, 159, 10, 0.16);
  --negative: #ff453a;
  --negative-soft: rgba(255, 69, 58, 0.16);
  --purple: #bf5af2;
  --purple-soft: rgba(191, 90, 242, 0.16);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 12px 38px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 22px 70px rgba(0, 0, 0, 0.46);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] {
    color-scheme: dark;
    --bg: #000000;
    --bg-elevated: rgba(28, 28, 30, 0.82);
    --surface: #1c1c1e;
    --surface-2: #242426;
    --surface-3: #2c2c2e;
    --glass: rgba(28, 28, 30, 0.72);
    --text: #f5f5f7;
    --text-2: #aeaeb2;
    --text-3: #8e8e93;
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.14);
    --accent: #0a84ff;
    --accent-pressed: #409cff;
    --accent-soft: rgba(10, 132, 255, 0.18);
    --positive: #30d158;
    --positive-soft: rgba(48, 209, 88, 0.16);
    --warning: #ff9f0a;
    --warning-soft: rgba(255, 159, 10, 0.16);
    --negative: #ff453a;
    --negative-soft: rgba(255, 69, 58, 0.16);
    --purple: #bf5af2;
    --purple-soft: rgba(191, 90, 242, 0.16);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-sm: 0 12px 38px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 22px 70px rgba(0, 0, 0, 0.46);
  }
}