:root {
  color-scheme: light;

  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;

  --text-xs: 11px;
  --text-sm: 13px;
  --text-md: 15px;
  --text-lg: 18px;
  --text-xl: 24px;
  --text-hero: clamp(38px, 4vw, 58px);
  --leading-tight: 1.08;
  --leading-normal: 1.45;
  --weight-regular: 430;
  --weight-medium: 570;
  --weight-semibold: 650;

  --workspace: #f1f0ed;
  --workspace-deep: #e9e7e2;
  --surface-panel: rgba(255, 255, 253, 0.96);
  --surface-panel-solid: #fffefa;
  --surface-soft: #f7f6f3;
  --surface-muted: #ecebe7;
  --surface-hover: #f2f1ed;
  --surface-selected: #111111;
  --surface-overlay: rgba(20, 20, 18, 0.22);
  --text-primary: #171716;
  --text-secondary: #6f6e69;
  --text-tertiary: #9a9891;
  --text-on-selected: #ffffff;
  --border-subtle: #e3e1dc;
  --border-strong: #d1cec6;
  --focus-ring: rgba(31, 78, 121, 0.24);
  --glow-blue: rgba(157, 202, 255, 0.34);
  --glow-violet: rgba(205, 188, 255, 0.22);
  --danger: #a33b35;
  --danger-soft: #f8eeec;
  --success: #457253;

  --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;
  --space-10: 64px;

  --radius-control: 12px;
  --radius-button: 999px;
  --radius-card: 20px;
  --radius-panel: 26px;
  --radius-shell: 30px;
  --radius-modal: 24px;

  --border-width: 1px;
  --shadow-panel: 0 1px 0 rgba(26, 24, 20, 0.03), 0 10px 30px rgba(34, 31, 25, 0.035);
  --shadow-float: 0 18px 48px rgba(31, 29, 24, 0.13), 0 2px 8px rgba(31, 29, 24, 0.05);
  --shadow-focus: 0 0 0 4px var(--focus-ring);

  --motion-fast: 140ms;
  --motion-normal: 220ms;
  --ease-out: cubic-bezier(0.2, 0.72, 0.2, 1);
}