/* AI Open Cloud Design System — v2.0 */
/* Design Tokens */

:root {
  /* === Color Palette === */
  --bg-primary: #0B0D12;
  --bg-secondary: #11151A;
  --bg-tertiary: #161B22;
  --bg-card: #1A1E27;
  --bg-card-hover: #1F2530;
  --bg-input: #0F1219;
  
  --border-primary: #262B34;
  --border-secondary: #1E2330;
  --border-accent: rgba(99, 102, 241, 0.3);
  
  --text-primary: #EDEFF2;
  --text-secondary: #9CA3B0;
  --text-tertiary: #6B7280;
  --text-inverse: #0B0D12;
  
  /* Aurora Gradient (purple -> cyan -> blue) */
  --gradient-primary: linear-gradient(135deg, #6366F1, #8B5CF6, #0EA5E9);
  --gradient-hero: linear-gradient(135deg, #4F46E5, #7C3AED, #06B6D4);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(14,165,233,0.1));
  --gradient-card: linear-gradient(180deg, rgba(99,102,241,0.05), rgba(14,165,233,0.02));
  
  --accent: #6366F1;
  --accent-hover: #818CF8;
  --accent-secondary: #0EA5E9;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* === Typography === */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* === Spacing (8dp grid) === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* === Border Radius === */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  
  /* === Shadows === */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-xl: 0 12px 48px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 20px rgba(99,102,241,0.15);
  --shadow-glow-lg: 0 0 40px rgba(99,102,241,0.2);
  
  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* === Container === */
  --container-max: 1280px;
  --container-padding: var(--space-6);
}