/* Folgai design tokens — brand teal, fluid type, 4px spacing */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.15rem + 2.4vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: "DM Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 40rem;
  --content-default: 60rem;
  --content-wide: 72rem;

  --header-h: 4rem;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

:root,
[data-theme="light"] {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-2: #f5f5f5;
  --color-surface-offset: #f0fdfa;
  --color-divider: #e5e5e5;
  --color-border: color-mix(in oklab, #171717 10%, transparent);

  --color-text: #171717;
  --color-text-muted: #525252;
  --color-text-faint: #a3a3a3;
  --color-text-inverse: #fafafa;

  --color-primary: #0f766e;
  --color-primary-hover: #115e59;
  --color-primary-active: #134e4a;
  --color-primary-soft: #0d9488;
  --color-primary-highlight: #ccfbf1;
  --color-on-primary: #ffffff;

  --color-success: #047857;
  --color-success-bg: #ecfdf5;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;
  --color-danger: #b91c1c;
  --color-danger-bg: #fef2f2;
  --color-info: #1d4ed8;
  --color-info-bg: #eff6ff;
  --color-violet-bg: #f5f3ff;
  --color-pink-bg: #fdf2f8;
  --color-amber-bg: #fff7ed;

  --color-cta-band: #0f766e;
  --color-footer: #0a0a0a;

  --shadow-sm: 0 1px 2px oklch(0.25 0.03 186 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.25 0.03 186 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.04 186 / 0.12);
  --shadow-cta: 0 10px 24px oklch(0.4 0.08 186 / 0.28);
}

[data-theme="dark"] {
  --color-bg: #171717;
  --color-surface: #262626;
  --color-surface-2: #1f1f1f;
  --color-surface-offset: #134e4a;
  --color-divider: #404040;
  --color-border: color-mix(in oklab, #fafafa 12%, transparent);

  --color-text: #f5f5f5;
  --color-text-muted: #a3a3a3;
  --color-text-faint: #737373;
  --color-text-inverse: #171717;

  --color-primary: #2dd4bf;
  --color-primary-hover: #5eead4;
  --color-primary-active: #99f6e4;
  --color-primary-soft: #14b8a6;
  --color-primary-highlight: #134e4a;
  --color-on-primary: #042f2e;

  --color-success: #34d399;
  --color-success-bg: color-mix(in oklab, #34d399 12%, #262626);
  --color-warning: #fbbf24;
  --color-warning-bg: color-mix(in oklab, #fbbf24 12%, #262626);
  --color-danger: #f87171;
  --color-danger-bg: color-mix(in oklab, #f87171 12%, #262626);
  --color-info: #93c5fd;
  --color-info-bg: color-mix(in oklab, #60a5fa 12%, #262626);
  --color-violet-bg: color-mix(in oklab, #a78bfa 12%, #262626);
  --color-pink-bg: color-mix(in oklab, #f472b6 12%, #262626);
  --color-amber-bg: color-mix(in oklab, #fb923c 12%, #262626);

  --color-cta-band: #0f766e;
  --color-footer: #0a0a0a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
  --shadow-cta: 0 10px 24px oklch(0.3 0.06 186 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #171717;
    --color-surface: #262626;
    --color-surface-2: #1f1f1f;
    --color-surface-offset: #134e4a;
    --color-divider: #404040;
    --color-border: color-mix(in oklab, #fafafa 12%, transparent);
    --color-text: #f5f5f5;
    --color-text-muted: #a3a3a3;
    --color-text-faint: #737373;
    --color-text-inverse: #171717;
    --color-primary: #2dd4bf;
    --color-primary-hover: #5eead4;
    --color-primary-active: #99f6e4;
    --color-primary-soft: #14b8a6;
    --color-primary-highlight: #134e4a;
    --color-on-primary: #042f2e;
    --color-success: #34d399;
    --color-success-bg: color-mix(in oklab, #34d399 12%, #262626);
    --color-warning: #fbbf24;
    --color-warning-bg: color-mix(in oklab, #fbbf24 12%, #262626);
    --color-danger: #f87171;
    --color-danger-bg: color-mix(in oklab, #f87171 12%, #262626);
    --color-info: #93c5fd;
    --color-info-bg: color-mix(in oklab, #60a5fa 12%, #262626);
    --color-violet-bg: color-mix(in oklab, #a78bfa 12%, #262626);
    --color-pink-bg: color-mix(in oklab, #f472b6 12%, #262626);
    --color-amber-bg: color-mix(in oklab, #fb923c 12%, #262626);
    --color-cta-band: #0f766e;
    --color-footer: #0a0a0a;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
    --shadow-cta: 0 10px 24px oklch(0.3 0.06 186 / 0.4);
  }
}