/* ============================================
   DS LABS — CSS VARIABLES
   Theme: Dark (Default) | Light
   ============================================ */

:root {
  /* Primary Colors */
  --primary: #0A84FF;
  --primary-hover: #0070E0;
  --primary-glow: rgba(10, 132, 255, 0.3);
  --secondary: #00D4FF;
  --secondary-glow: rgba(0, 212, 255, 0.2);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0A84FF 0%, #00D4FF 100%);
  --gradient-purple: linear-gradient(135deg, #6366F1 0%, #0A84FF 100%);
  --gradient-hero: radial-gradient(ellipse at 60% 50%, rgba(10, 132, 255, 0.15) 0%, rgba(3, 7, 18, 0) 70%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-text: linear-gradient(135deg, #FFFFFF 0%, #94A3B8 100%);
  --gradient-brand: linear-gradient(135deg, #0A84FF, #00D4FF);

  /* Typography */
  --font-display: 'Inter', 'SF Pro Display', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --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;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --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;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index */
  --z-base: 1;
  --z-card: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-loader: 9999;

  /* Container */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
}

/* ============================================
   DARK THEME (Default)
   ============================================ */
[data-theme="dark"], :root {
  --bg-primary: #030712;
  --bg-secondary: #0F172A;
  --bg-surface: #0F172A;
  --bg-accent: #1E293B;
  --bg-card: rgba(15, 23, 42, 0.8);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --bg-hover: rgba(30, 41, 59, 0.8);

  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #475569;
  --text-inverse: #030712;

  --border-primary: rgba(148, 163, 184, 0.1);
  --border-accent: rgba(10, 132, 255, 0.3);
  --border-glass: rgba(255, 255, 255, 0.08);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(10, 132, 255, 0.2);
  --shadow-glow-lg: 0 0 80px rgba(10, 132, 255, 0.25);

  --noise-opacity: 0.04;
  --particle-color: rgba(10, 132, 255, 0.6);
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-theme="light"] {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-surface: #F1F5F9;
  --bg-accent: #E2E8F0;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-glass: rgba(248, 250, 252, 0.8);
  --bg-hover: rgba(241, 245, 249, 0.9);

  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;

  --border-primary: #E2E8F0;
  --border-accent: rgba(10, 132, 255, 0.3);
  --border-glass: rgba(15, 23, 42, 0.08);

  --shadow-sm: 0 1px 3px rgba(15,23,42,0.08);
  --shadow-md: 0 4px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 8px 48px rgba(15,23,42,0.12);
  --shadow-xl: 0 16px 64px rgba(15,23,42,0.15);
  --shadow-glow: 0 0 40px rgba(10, 132, 255, 0.12);
  --shadow-glow-lg: 0 0 80px rgba(10, 132, 255, 0.15);

  --noise-opacity: 0.02;
  --particle-color: rgba(10, 132, 255, 0.4);

  --gradient-text: linear-gradient(135deg, #0F172A 0%, #64748B 100%);
}