/* ══════════════════════════════════════════════
   Акцио! — Design System Tokens
   Mobile-first auction marketplace
   ══════════════════════════════════════════════ */

:root {
  /* ── Colors: Brand ── */
  --color-primary: #34C759;
  --color-primary-hsl: 145, 59%, 49%;
  --color-gold: #E8C547;
  --color-gold-hsl: 47, 78%, 59%;
  --color-danger: #FF453A;
  --color-danger-hsl: 4, 100%, 61%;
  --color-blue: #0A84FF;
  --color-blue-hsl: 211, 100%, 52%;
  --color-warning: #FF9F0A;
  --color-warning-hsl: 37, 100%, 52%;

  /* ── Colors: Surfaces ── */
  --surface-0: #000000;
  --surface-1: #0B0C0E;
  --surface-2: #111111;
  --surface-3: #1C1C1E;
  --surface-4: #222222;
  --surface-5: #333333;

  /* ── Colors: Text ── */
  --text-primary: #FFFFFF;
  --text-secondary: #888888;
  --text-tertiary: #666666;
  --text-muted: rgba(255, 255, 255, 0.3);
  --text-inverse: #000000;

  /* ── Colors: Borders ── */
  --border-gold: rgba(212, 168, 67, 0.15);
  --border-gold-active: rgba(212, 168, 67, 0.4);
  --border-gold-dim: rgba(212, 168, 67, 0.1);
  --border-gold-subtle: rgba(212, 168, 67, 0.08);
  --border-white: rgba(255, 255, 255, 0.1);
  --border-white-dim: rgba(255, 255, 255, 0.06);
  --border-white-subtle: rgba(255, 255, 255, 0.04);
  --border-primary: rgba(52, 199, 89, 0.3);
  --border-primary-dim: rgba(52, 199, 89, 0.25);
  --border-primary-subtle: rgba(52, 199, 89, 0.15);

  /* ── Typography: Fonts ── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* ── Typography: Sizes ── */
  --text-xs: 10px;
  --text-sm: 11px;
  --text-base-sm: 12px;
  --text-base: 13px;
  --text-lg: 14px;
  --text-xl: 16px;
  --text-2xl: 18px;
  --text-3xl: 20px;
  --text-4xl: 22px;
  --text-5xl: 28px;
  --text-6xl: 36px;

  /* ── Typography: Weights ── */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* ── Typography: Line heights ── */
  --leading-tight: 1.2;
  --leading-snug: 1.3;
  --leading-normal: 1.4;
  --leading-relaxed: 1.6;

  /* ── Radii ── */
  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-base: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-3xl: 20px;
  --radius-full: 50%;
  --radius-pill: 9999px;

  /* ── Spacing (4px base unit) ── */
  --space-xs: 2px;
  --space-sm: 4px;
  --space-md: 8px;
  --space-base: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
  --space-4xl: 40px;
  --space-5xl: 48px;
  --space-6xl: 64px;

  /* ── Shadows ── */
  --shadow-primary: 0 4px 16px rgba(52, 199, 89, 0.4);
  --shadow-blue: 0 4px 16px rgba(10, 132, 255, 0.4);
  --shadow-gold: 0 0 12px rgba(212, 168, 67, 0.08);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-smooth: 300ms ease;

  /* ── Z-index scale ── */
  --z-dropdown: 50;
  --z-nav: 90;
  --z-overlay: 100;
  --z-toast: 200;

  /* ── Layout ── */
  --content-max: 480px;
  --nav-height: 44px;
  --bottom-nav-height: 56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}