/* Klarai design tokens — contrast, rhythm, dark-first */

: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, 3.25rem);
  --text-3xl: clamp(2.35rem, 1rem + 3.6vw, 4.25rem);

  --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;

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

  --font-display: "Cabinet Grotesk", "Satoshi", "Helvetica Neue", sans-serif;
  --font-body: "Satoshi", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1180px;

  --header-h: 4.25rem;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --signup: /auth/signup/;
}

:root,
[data-theme="dark"] {
  --color-bg: #060609;
  --color-bg-elevated: #0b0c12;
  --color-surface: #111318;
  --color-surface-2: #161821;
  --color-surface-offset: #1a1d28;
  --color-border: oklch(0.92 0.02 270 / 0.1);
  --color-divider: oklch(0.92 0.02 270 / 0.08);
  --color-text: #eeeff3;
  --color-text-muted: #8b90a5;
  --color-text-faint: #5c6178;
  --color-text-inverse: #0b0c12;
  --color-primary: #506ddc;
  --color-primary-hover: #6b84ea;
  --color-primary-active: #3d56c4;
  --color-primary-soft: oklch(0.62 0.16 268 / 0.16);
  --color-accent: #a8b6f4;
  --color-success: #34d399;
  --color-success-soft: oklch(0.75 0.14 160 / 0.14);
  --color-warning: #f5b14a;
  --color-warning-soft: oklch(0.8 0.14 75 / 0.14);
  --color-error: #f87171;
  --color-error-soft: oklch(0.7 0.16 25 / 0.14);
  --color-mark: #6d5cff;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 24px 60px oklch(0 0 0 / 0.45);
  --shadow-glow: 0 0 0 1px oklch(0.62 0.16 268 / 0.35), 0 18px 50px oklch(0.5 0.16 268 / 0.22);
}

[data-theme="light"] {
  --color-bg: #f3f4f8;
  --color-bg-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #eef0f6;
  --color-surface-offset: #e6e9f2;
  --color-border: oklch(0.3 0.03 270 / 0.12);
  --color-divider: oklch(0.3 0.03 270 / 0.1);
  --color-text: #12141c;
  --color-text-muted: #5a5f73;
  --color-text-faint: #8a90a4;
  --color-text-inverse: #f7f8fc;
  --color-primary: #3d56c4;
  --color-primary-hover: #2f44a8;
  --color-primary-active: #243586;
  --color-primary-soft: oklch(0.5 0.16 268 / 0.1);
  --color-accent: #3d56c4;
  --color-success: #0f9f6e;
  --color-success-soft: oklch(0.55 0.14 160 / 0.12);
  --color-warning: #b45309;
  --color-warning-soft: oklch(0.65 0.14 75 / 0.12);
  --color-error: #c24141;
  --color-error-soft: oklch(0.55 0.16 25 / 0.12);
  --color-mark: #4f46e5;
  --shadow-sm: 0 1px 2px oklch(0.3 0.03 270 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.3 0.03 270 / 0.1);
  --shadow-lg: 0 24px 50px oklch(0.3 0.03 270 / 0.14);
  --shadow-glow: 0 0 0 1px oklch(0.5 0.16 268 / 0.22), 0 18px 40px oklch(0.5 0.16 268 / 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f3f4f8;
    --color-bg-elevated: #ffffff;
    --color-surface: #ffffff;
    --color-surface-2: #eef0f6;
    --color-surface-offset: #e6e9f2;
    --color-border: oklch(0.3 0.03 270 / 0.12);
    --color-divider: oklch(0.3 0.03 270 / 0.1);
    --color-text: #12141c;
    --color-text-muted: #5a5f73;
    --color-text-faint: #8a90a4;
    --color-text-inverse: #f7f8fc;
    --color-primary: #3d56c4;
    --color-primary-hover: #2f44a8;
    --color-primary-active: #243586;
    --color-primary-soft: oklch(0.5 0.16 268 / 0.1);
    --color-accent: #3d56c4;
    --color-success: #0f9f6e;
    --color-success-soft: oklch(0.55 0.14 160 / 0.12);
    --color-warning: #b45309;
    --color-warning-soft: oklch(0.65 0.14 75 / 0.12);
    --color-error: #c24141;
    --color-error-soft: oklch(0.55 0.16 25 / 0.12);
    --color-mark: #4f46e5;
    --shadow-sm: 0 1px 2px oklch(0.3 0.03 270 / 0.08);
    --shadow-md: 0 8px 24px oklch(0.3 0.03 270 / 0.1);
    --shadow-lg: 0 24px 50px oklch(0.3 0.03 270 / 0.14);
    --shadow-glow: 0 0 0 1px oklch(0.5 0.16 268 / 0.22), 0 18px 40px oklch(0.5 0.16 268 / 0.12);
  }
}