/* Cloudflare Kumo UI — OpenDesign semantic bindings.
 * Official sources:
 * - https://kumo-ui.com/colors/
 * - https://github.com/cloudflare/kumo/tree/0c5832575c99988917b81cd752002e10f3dc9c7a
 * - packages/kumo/scripts/theme-generator/config.ts at that commit
 *
 * Upstream token values are adapted from @cloudflare/kumo 2.9.2,
 * Copyright (c) 2026 Cloudflare, Inc., licensed under the MIT License.
 * This is an OpenDesign curated integration, not an official Cloudflare package.
 */

:root {
  /* Kumo canvas, component base, and recessed surface. */
  --bg: oklch(98.75% 0 0);
  --surface: #ffffff;
  --surface-warm: oklch(96% 0 0);

  /* Kumo default and subtle text. B-slots collapse where Kumo has no matching tier. */
  --fg: oklch(21% 0.006 285.885);
  --fg-2: var(--fg);
  --muted: oklch(55.6% 0 0);
  --meta: var(--muted);

  /* Kumo line and hairline roles. */
  --border: oklch(14.5% 0 0 / 0.1);
  --border-soft: oklch(93.5% 0 0);

  /* Kumo brand background and its documented hover state. */
  --accent: oklch(0.5772 0.2324 260);
  --accent-on: #ffffff;
  --accent-hover: oklch(48.8% 0.243 264.376);
  --accent-active: var(--accent-hover);

  /* Kumo solid semantic indicators. */
  --success: oklch(59.6% 0.145 163.225);
  --warn: oklch(73.9% 0.177 58.2);
  --danger: oklch(63.7% 0.237 25.331);

  /* Inter is used by Kumo's official documentation and Figma resources. */
  --font-display: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Kumo's compact 12/13/14/16 scale, extended with its inherited Tailwind heading steps. */
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;
  --leading-body: 1.5;
  --leading-tight: 1.2;
  --tracking-display: 0;

  /* OpenDesign compatibility bindings aligned to Kumo's 4px utility rhythm. */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --section-y-desktop: 64px;
  --section-y-tablet: 48px;
  --section-y-phone: 32px;

  /* Kumo control radii map to Tailwind sm/md/lg; pills stay fully rounded. */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 9999px;

  /* Ring-led elevation mirrors Kumo LayerCard composition. */
  --elev-flat: none;
  --elev-ring: 0 0 0 1px var(--border);
  --elev-raised: 0 1px 2px 0 oklch(0% 0 0 / 0.08);
  --focus-ring: 0 0 0 2px oklch(15% 0 0);

  /* 150ms states/dialogs and the 250ms sidebar motion are upstream values. */
  --motion-fast: 150ms;
  --motion-base: 250ms;
  --ease-standard: cubic-bezier(0.77, 0, 0.175, 1);

  /* OpenDesign layout bindings preserve Kumo's compact dashboard density. */
  --container-max: 1200px;
  --container-gutter-desktop: 24px;
  --container-gutter-tablet: 16px;
  --container-gutter-phone: 12px;
}

/* Kumo uses data-mode="dark". The data-theme selector keeps generated Open
 * Design artifacts compatible with the repository's standard theme hook. */
[data-theme="dark"],
[data-mode="dark"] {
  --bg: oklch(10% 0 0);
  --surface: oklch(17% 0 0);
  --surface-warm: oklch(15% 0 0);
  --fg: oklch(97% 0 0);
  --fg-2: var(--fg);
  --muted: oklch(70.8% 0 0);
  --meta: var(--muted);
  --border: oklch(32% 0 0);
  --border-soft: oklch(26.9% 0 0);
  --accent: color-mix(in oklch, oklch(0.5772 0.2324 260), black 10%);
  --accent-on: #ffffff;
  --accent-hover: oklch(48.8% 0.243 264.376);
  --accent-active: var(--accent-hover);
  --success: oklch(76.5% 0.177 163.223);
  --warn: oklch(64.5% 0.168 50);
  --danger: oklch(57.7% 0.245 27.325);
  --elev-raised: 0 1px 2px 0 oklch(0% 0 0 / 0.3);
  --focus-ring: 0 0 0 2px oklch(93.5% 0 0);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-fast: 0ms;
    --motion-base: 0ms;
  }
}