:root {
  --bg:             #f8fafc;
  --surface:        #ffffff;
  --surface-2:      #f1f5f9;
  --surface-3:      #e2e8f0;
  --text-1:         #0f172a;
  --text-2:         #475569;
  --text-3:         #94a3b8;
  --accent:         #2563eb;
  --accent-hover:   #1d4ed8;
  --accent-light:   #eff6ff;
  --accent-border:  #bfdbfe;
  --navy:           #1e3a5f;
  --navy-dark:      #0f1f33;
  --border:         #e2e8f0;
  --border-light:   #f1f5f9;
  --success:        #16a34a;
  --success-light:  #f0fdf4;
  --warning:        #d97706;
  --warning-light:  #fffbeb;
  --danger:         #dc2626;
  --danger-light:   #fef2f2;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.12);
  --glow:      0 0 40px rgba(37, 99, 235, 0.15);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --transition:      all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg:            #070d18;
  --surface:       #0d1526;
  --surface-2:     #111e35;
  --surface-3:     #1a2d4a;
  --text-1:        #f1f5f9;
  --text-2:        #94a3b8;
  --text-3:        #475569;
  --accent:        #3b82f6;
  --accent-hover:  #60a5fa;
  --accent-light:  rgba(59, 130, 246, 0.1);
  --accent-border: rgba(59, 130, 246, 0.25);
  --border:        #1a2d4a;
  --border-light:  #111e35;
  --success-light: rgba(22, 163, 74, 0.1);
  --warning-light: rgba(217, 119, 6, 0.1);
  --danger-light:  rgba(220, 38, 38, 0.1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow:    0 4px 6px -1px rgba(0,0,0,0.4);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.6);
  --glow:      0 0 60px rgba(59, 130, 246, 0.2);
}