/* Design System & CSS Variables - LC Studio */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Container */
  --container-max-width: 1200px;
  --header-height: 80px;

  /* Shared Colors (constant across themes) */
  --accent-violet-hsl: 263, 90%, 55%;
  --accent-violet: hsl(var(--accent-violet-hsl));
  --accent-pink-hsl: 295, 85%, 60%;
  --accent-pink: hsl(var(--accent-pink-hsl));
  --accent-blue-hsl: 217, 91%, 56%;
  --accent-blue: hsl(var(--accent-blue-hsl));
  
  --gradient-premium: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-pink) 50%, var(--accent-blue) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(124, 58, 237, 0.4) 0%, rgba(219, 70, 239, 0.4) 100%);
  --success: #10b981;
}

/* Theme: Dark (Default) */
[data-theme="dark"] {
  --bg-primary: #09090b;
  --bg-secondary: #0e0e11;
  --bg-tertiary: #18181b;
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  
  --glass-bg: rgba(10, 10, 12, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  
  --glow-primary: rgba(139, 92, 246, 0.15);
  --logo-studio-color: #A855F7;
}

/* Theme: Light */
[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f4f4f5;
  
  --text-primary: #09090b;
  --text-secondary: #4b5563;
  --text-muted: #71717a;
  
  --border-color: rgba(9, 9, 11, 0.06);
  --border-hover: rgba(9, 9, 11, 0.12);
  
  --glass-bg: rgba(250, 250, 250, 0.8);
  --glass-border: rgba(9, 9, 11, 0.05);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  
  --glow-primary: rgba(139, 92, 246, 0.06);
  --logo-studio-color: #8B5CF6;
}