/* =============================================================
   v5 Design Tokens
   - Mono brand paleta (žádné sekční barvy)
   - Z logomanuálu D. Sedláka (20. 2. 2026)
   ============================================================= */

:root {
  /* Brand barvy */
  --brand-green: #238E44;        /* logo, hover, focus, ikony, velký text */
  --brand-green-dark: #1A6E33;   /* linky v běžném textu (AAA) */
  --brand-yellow: #F3AE1B;       /* akcent badges (Zápis 2026/27) */
  --brand-red: #971E21;          /* primární CTA, "Vyvěšeno" */
  --brand-black: #231F20;        /* veškerý běžný text (AAA) */

  /* Surface */
  --bg-page: #FFFFFF;
  --bg-soft: #F5F5F2;
  --bg-elevated: #FFFFFF;
  --border-subtle: rgba(35, 31, 32, 0.12);
  --border-strong: rgba(35, 31, 32, 0.24);

  /* Alpha varianty pro hover/active */
  --brand-green-10: rgba(35, 142, 68, 0.10);
  --brand-green-20: rgba(35, 142, 68, 0.20);
  --brand-red-10:   rgba(151, 30, 33, 0.10);

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-card: 0 1px 2px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-drawer: -8px 0 32px rgba(0,0,0,0.16);

  /* Typografie */
  --font-sans: "Overpass", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-h1-d: 48px; --fs-h1-m: 32px;
  --fs-h2-d: 32px; --fs-h2-m: 24px;
  --fs-h3-d: 20px; --fs-h3-m: 18px;
  --fs-body-d: 17px; --fs-body-m: 16px;
  --fs-lead-d: 19px; --fs-lead-m: 17px;
  --fs-meta-d: 14px; --fs-meta-m: 13px;
  --fs-btn-d: 16px; --fs-btn-m: 15px;
  --lh-body: 1.5;
  --lh-heading: 1.25;

  /* Layout */
  --container-max: 1240px;
  --container-pad-d: 32px;
  --container-pad-m: 16px;
  --content-max: 720px;

  /* Breakpointy (info pro JS; v CSS @media přímo px) */
  --bp-sm: 480px;
  --bp-md: 720px;
  --bp-lg: 1024px;
  --bp-xl: 1240px;

  /* Z-indexy */
  --z-header: 100;
  --z-subnav: 90;
  --z-drawer: 200;
  --z-drawer-backdrop: 199;
  --z-dropdown: 110;

  /* Transitions (respektuje prefers-reduced-motion v base.css) */
  --t-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 320ms cubic-bezier(0.4, 0, 0.2, 1);
}