/* ═══════════════════════════════════════════════
   USDinar Design Tokens
   Derived from app_colors.dart + app_typography.dart
   ═══════════════════════════════════════════════ */

:root {
  /* ── Brand Colors ── */
  --brand-primary: #6956EE;
  --brand-secondary: #8361D2;
  --brand-tertiary: #A78BFA;
  --brand-gradient: linear-gradient(135deg, #6956EE 0%, #8361D2 50%, #A78BFA 100%);
  --brand-gradient-h: linear-gradient(90deg, #6956EE 0%, #8361D2 50%, #A78BFA 100%);
  --brand-glow: 0 0 80px rgba(105, 86, 238, 0.25);
  --brand-glow-sm: 0 0 30px rgba(105, 86, 238, 0.2);
  --brand-glow-lg: 0 0 120px rgba(105, 86, 238, 0.3);

  /* ── Backgrounds ── */
  --bg-primary: #000000;
  --bg-secondary: #0A0A0C;
  --bg-tertiary: #161618;
  --bg-elevated: #1C1C1E;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);

  /* ── Text ── */
  --text-primary: #F5F5F7;
  --text-secondary: #AEAEB2;
  --text-tertiary: #636366;
  --text-muted: rgba(255, 255, 255, 0.4);
  --text-gradient: linear-gradient(135deg, #FFFFFF 0%, #AEAEB2 100%);

  /* ── Borders ── */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(105, 86, 238, 0.4);
  --border-active: rgba(105, 86, 238, 0.6);

  /* ── Accents ── */
  --accent-green: #30D158;
  --accent-red: #FF453A;
  --accent-amber: #FFC107;
  --accent-blue: #448AFF;

  /* ── Glassmorphism ── */
  --glass-blur: blur(20px);
  --glass-blur-sm: blur(10px);
  --glass-blur-lg: blur(40px);
  --glass-bg: rgba(22, 22, 24, 0.75);
  --glass-bg-light: rgba(22, 22, 24, 0.5);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);

  /* ── Spacing (8px base) ── */
  --space-2xs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* ── Border Radius ── */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* ── Typography ── */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Figtree', var(--font-primary);

  --fs-caption: 0.75rem;    /* 12px */
  --fs-sm: 0.8125rem;       /* 13px */
  --fs-body: 0.875rem;      /* 14px */
  --fs-md: 1rem;            /* 16px */
  --fs-lg: 1.125rem;        /* 18px */
  --fs-xl: 1.25rem;         /* 20px */
  --fs-2xl: 1.5rem;         /* 24px */
  --fs-3xl: 2rem;           /* 32px */
  --fs-4xl: 2.5rem;         /* 40px */
  --fs-5xl: 3rem;           /* 48px */
  --fs-6xl: 3.5rem;         /* 56px */
  --fs-hero: 4.5rem;        /* 72px */

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --fw-black: 900;

  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.75;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.05em;
  --ls-wider: 0.1em;

  /* ── Transitions ── */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;
  --duration-slower: 1000ms;

  /* ── Shadows ── */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
  --shadow-brand: 0 4px 24px rgba(105, 86, 238, 0.25);

  /* ── Layout ── */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-padding: var(--space-lg);
  --section-padding: var(--space-5xl) 0;
  --nav-height: 72px;

  /* ── Z-Index ── */
  --z-base: 1;
  --z-above: 10;
  --z-nav: 100;
  --z-modal: 1000;
  --z-particles: -1;
}