/*
 * QSP design tokens.
 *
 * Every colour, size, weight and timing used by the console is declared here.
 * Components reference variables; raw hex values in a component are a defect.
 *
 * The palette and typography come from BLUEPRINT.md §10. The style is
 * dark-primary: light mode is not a supported target, so a single palette is
 * declared rather than a theme switch nobody would use.
 */

:root {
  /* ---- Surface and structure ---------------------------------------- */
  /* Deliberately not #000000: pure black smears on OLED panels. */
  --color-background: #0f172a;
  --color-surface: #161f36;
  --color-muted: #1f1e27;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  /* ---- Text ---------------------------------------------------------- */
  --color-foreground: #ffffff;
  /* Contrast against --color-background is 7.4:1, above the 4.5:1 minimum. */
  --color-foreground-muted: #a9b4c9;
  --color-foreground-subtle: #8391a8;

  /* ---- Brand --------------------------------------------------------- */
  --color-primary: #d97706;
  --color-primary-hover: #f59e0b;
  --color-on-primary: #1a1206;
  --color-secondary: #f59e0b;
  --color-accent: #6366f1;
  --color-accent-hover: #818cf8;

  /* ---- Status -------------------------------------------------------- */
  /*
   * Status is never conveyed by colour alone. Each of these is paired with a
   * glyph and a text label in every component that uses it.
   */
  --color-healthy: #34d399;
  --color-degraded: #fbbf24;
  --color-failing: #f87171;
  --color-unavailable: #7c8aa5;
  --color-destructive: #dc2626;

  /* ---- Typography ---------------------------------------------------- */
  --font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  /* Technical identifiers use a monospace face with unambiguous 0/O and 1/l. */
  --font-mono: "Fira Code", ui-monospace, "SFMono-Regular", "Cascadia Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  /* Extreme scale contrast: a live call reads across a room. */
  --text-display: 4rem;

  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-tight: 1.2;
  --leading-normal: 1.5;

  --tracking-wide: 0.08em;

  /* ---- Spacing (dense dashboard scale) ------------------------------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* ---- Motion -------------------------------------------------------- */
  /*
   * Expo.out. Durations are deliberate rather than snappy: fast animation is a
   * listed anti-pattern for this style, and reads as cheap.
   */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 450ms;

  --shadow-raised: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.28);

  --layout-sidebar: 232px;
  --layout-max: 1600px;

  /* Minimum interactive target, per WCAG and the blueprint checklist. */
  --target-min: 44px;
}

/*
 * Respect the operating system's reduced-motion preference by removing motion
 * entirely rather than shortening it. A brief animation is still motion.
 */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}