/**
 * Astrovia Design Tokens
 * Apple/Stripe-level design system
 */

:root {
  /* ===== Colors ===== */
  /* Primary - Astrovia Blue */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-subtle: rgba(37, 99, 235, 0.08);
  --color-primary-muted: rgba(37, 99, 235, 0.15);
  
  /* Neutrals - Light Mode */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-surface: #ffffff;
  
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;
  --color-text-muted: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-subtle: #f1f5f9;
  
  /* ===== Spacing Scale (8px base) ===== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  
  /* ===== Typography ===== */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Type Scale */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md: 1.0625rem;    /* 17px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.5rem;      /* 56px */
  --text-7xl: 4rem;        /* 64px */
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;
  --leading-loose: 1.75;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  
  /* ===== Border Radius ===== */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
  
  /* ===== Shadows ===== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.05), 0 10px 10px rgba(0, 0, 0, 0.02);
  
  /* ===== Layout ===== */
  --container-max: 1120px;
  --nav-height: 64px;
  
  /* ===== Transitions ===== */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-tertiary: #18181f;
  --color-surface: #141419;
  
  --color-text: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-muted: #64748b;
  
  --color-border: #1e293b;
  --color-border-subtle: #1e293b;
  
  --color-primary-subtle: rgba(37, 99, 235, 0.12);
  --color-primary-muted: rgba(37, 99, 235, 0.2);
}