@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Font Families */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing system */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shared Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

/* Default Theme: Dark (Matches brand aesthetic) */
:root {
  --bg-app: #080b11;
  --bg-gradient: radial-gradient(1200px 600px at 80% -20%, rgba(99, 102, 241, 0.15), transparent 50%),
                 radial-gradient(1000px 600px at -20% 120%, rgba(59, 130, 246, 0.1), transparent 50%);
  --bg-card: rgba(15, 23, 42, 0.55);
  --bg-sidebar: rgba(10, 15, 30, 0.75);
  --bg-input: rgba(10, 15, 30, 0.85);
  --bg-tooltip: #0f172a;

  --border-color: rgba(51, 65, 85, 0.4);
  --border-glow: rgba(59, 130, 246, 0.15);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --accent: #818cf8;
  --accent-hover: #6366f1;
  --accent-glow: rgba(129, 140, 248, 0.2);

  --primary: #60a5fa;
  --primary-glow: rgba(96, 165, 250, 0.2);

  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #22d3ee;

  --glass-blur: 20px;
  --glass-color: rgba(15, 23, 42, 0.35);
  --glass-border: rgba(255, 255, 255, 0.06);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-app: #f4f6fa;
  --bg-gradient: radial-gradient(1000px 600px at 80% -10%, rgba(99, 102, 241, 0.08), transparent 50%),
                 radial-gradient(800px 500px at -10% 110%, rgba(59, 130, 246, 0.05), transparent 50%);
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-sidebar: rgba(255, 255, 255, 0.85);
  --bg-input: rgba(255, 255, 255, 0.9);
  --bg-tooltip: #1e293b;
  
  --border-color: rgba(226, 232, 240, 0.8);
  --border-glow: rgba(59, 130, 246, 0.1);
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-glow: rgba(79, 70, 229, 0.15);
  
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.15);
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;

  --glass-blur: 16px;
  --glass-color: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.4);
}

/* Clean reset and basic scrollbar */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient), var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}