/* ============================================================
   DESIGN TOKENS - Dark theme with Atomic Tangerine accent
   ============================================================ */

:root {
  /* Core neutrals */
  --ink-950: #030405;
  --ink-900: #080a0d;
  --ink-850: #0d1014;
  --ink-800: #13171d;
  --ink-700: #1c222b;
  --ink-600: #2a3340;
  --ink-500: #49586b;
  --ink-400: #748198;
  --ink-300: #a2adbf;
  --ink-200: #c2c9d6;
  --ink-100: #e3e7ef;

  /* Accent: Atomic Tangerine */
  --accent: #ff9966;
  --accent-light: #ffb28c;
  --accent-dim: rgba(255, 153, 102, 0.16);
  --accent-glow: rgba(255, 153, 102, 0.3);

  /* Signals */
  --risk-neutral: #94a3b8;
  --risk-amber: #f59e0b;
  --risk-red: #ef4444;
  --risk-amber-dim: rgba(245, 158, 11, 0.14);
  --risk-red-dim: rgba(239, 68, 68, 0.12);

  --sentiment-pos: #22c55e;
  --sentiment-neg: var(--risk-red);
  --sentiment-neutral: #eab308;
  --sentiment-pos-dim: rgba(34, 197, 94, 0.14);
  --sentiment-neg-dim: var(--risk-red-dim);

  /* Cluster colors (data-viz only) */
  --cluster-preis: #ff9966;
  --cluster-waerme: #ffc8a8;
  --cluster-versorgung: #8a94a7;

  /* Surfaces */
  --surface-base: #050607;
  --surface-raised: #101319;
  --surface-overlay: rgba(10, 12, 16, 0.92);
  --surface-glass: rgba(16, 19, 25, 0.68);
  --surface-glass-heavy: rgba(11, 14, 18, 0.84);
  --surface-muted: #161b23;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(255, 153, 102, 0.32);

  /* Text */
  --text-primary: #f4f7fb;
  --text-secondary: #a9b3c3;
  --text-tertiary: #7f8a9c;
  --text-muted: #c6ceda;

  /* Spacing */
  --sp-2: 2px;
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-48: 48px;
  --sp-64: 64px;

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 1px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45), 0 6px 16px rgba(0, 0, 0, 0.32);
  --shadow-xl: 0 30px 68px rgba(0, 0, 0, 0.52), 0 10px 24px rgba(0, 0, 0, 0.36);
  --shadow-glow: 0 0 28px rgba(255, 153, 102, 0.18);
  --shadow-panel-hover: 0 20px 42px rgba(0, 0, 0, 0.45), 0 2px 10px rgba(0, 0, 0, 0.3);

  /* Motion */
  --duration-micro: 140ms;
  --duration-ui: 260ms;
  --duration-overlay: 360ms;
  --duration-page: 480ms;

  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-subtle: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);

  /* Typography */
  --font-sans: "Manrope", "Segoe UI", sans-serif;
  --font-display: "Sora", "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", monospace;

  --text-xs: 0.6875rem;
  --text-sm: 0.75rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.5rem;
  --text-hero: 3.5rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --tracking-tight: -0.028em;
  --tracking-normal: -0.012em;
  --tracking-wide: 0.04em;

  /* Layering */
  --z-base: 0;
  --z-raised: 10;
  --z-nav: 100;
  --z-sheet: 500;
  --z-overlay: 900;
  --z-modal: 1000;
  --z-palette: 1100;
  --z-toast: 1200;

  /* Subtle noise */
  --noise-url: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-micro: 0ms;
    --duration-ui: 0ms;
    --duration-overlay: 0ms;
    --duration-page: 0ms;
  }
}