@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300..800;1,300..800&family=Inter:wght@300..900&display=swap');

:root {
  color-scheme: light dark;

  /* Default Light Mode Tokens (Vibrant & Lively Sunrise Theme) */
  --bg-color: #fafaf9;
  --panel-color: rgba(255, 255, 255, 0.82);
  --ink-color: #1c1917;
  --muted-color: #78716c;
  --line-color: rgba(231, 229, 228, 0.8);
  --primary-color: #7c3aed;
  --primary-dark-color: #6d28d9;
  --accent-color: #ea580c;
  --green-color: #10b981;
  --rose-color: #f43f5e;
  --shadow-color: rgba(124, 58, 237, 0.06);
  --shadow: 0 10px 30px -10px var(--shadow-color), 0 1px 3px rgba(124, 58, 237, 0.02);
  
  --radial-gradient: radial-gradient(circle at 5% 5%, rgba(124, 58, 237, 0.08) 0%, transparent 45%),
                     radial-gradient(circle at 95% 95%, rgba(234, 88, 12, 0.07) 0%, transparent 45%);

  /* Dark Mode Overrides (Media Query Fallback) */
  @media (prefers-color-scheme: dark) {
    --bg-color: #080b11;
    --panel-color: rgba(13, 17, 28, 0.65);
    --ink-color: #f8fafc;
    --muted-color: #94a3b8;
    --line-color: rgba(51, 65, 85, 0.65);
    --primary-color: #818cf8;
    --primary-dark-color: #6366f1;
    --accent-color: #2dd4bf;
    --green-color: #34d399;
    --rose-color: #fb7185;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px var(--shadow-color), 0 10px 15px -3px var(--shadow-color), 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    
    --radial-gradient: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                       radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
  }

  /* Standard light-dark() support override */
  @supports (color: light-dark(white, black)) {
    --bg-color: light-dark(#fafaf9, #080b11);
    --panel-color: light-dark(rgba(255, 255, 255, 0.82), rgba(13, 17, 28, 0.65));
    --ink-color: light-dark(#1c1917, #f8fafc);
    --muted-color: light-dark(#78716c, #94a3b8);
    --line-color: light-dark(rgba(231, 229, 228, 0.8), rgba(51, 65, 85, 0.65));
    --primary-color: light-dark(#7c3aed, #818cf8);
    --primary-dark-color: light-dark(#6d28d9, #6366f1);
    --accent-color: light-dark(#ea580c, #2dd4bf);
    --green-color: light-dark(#10b981, #34d399);
    --rose-color: light-dark(#f43f5e, #fb7185);
  }

  /* Explicit theme overrides for manual toggle */
  &[data-theme="light"] {
    color-scheme: light;
    --bg-color: #fafaf9;
    --panel-color: rgba(255, 255, 255, 0.82);
    --ink-color: #1c1917;
    --muted-color: #78716c;
    --line-color: rgba(231, 229, 228, 0.8);
    --primary-color: #7c3aed;
    --primary-dark-color: #6d28d9;
    --accent-color: #ea580c;
    --green-color: #10b981;
    --rose-color: #f43f5e;
    --shadow-color: rgba(124, 58, 237, 0.06);
    --shadow: 0 10px 30px -10px var(--shadow-color), 0 1px 3px rgba(124, 58, 237, 0.02);
    --radial-gradient: radial-gradient(circle at 5% 5%, rgba(124, 58, 237, 0.08) 0%, transparent 45%),
                       radial-gradient(circle at 95% 95%, rgba(234, 88, 12, 0.07) 0%, transparent 45%);
  }

  &[data-theme="dark"] {
    color-scheme: dark;
    --bg-color: #080b11;
    --panel-color: rgba(13, 17, 28, 0.65);
    --ink-color: #f8fafc;
    --muted-color: #94a3b8;
    --line-color: rgba(51, 65, 85, 0.65);
    --primary-color: #818cf8;
    --primary-dark-color: #6366f1;
    --accent-color: #2dd4bf;
    --green-color: #34d399;
    --rose-color: #fb7185;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px var(--shadow-color), 0 10px 15px -3px var(--shadow-color), 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    --radial-gradient: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                       radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
  }

  /* Mapping to existing variables */
  --bg: var(--bg-color);
  --panel: var(--panel-color);
  --ink: var(--ink-color);
  --muted: var(--muted-color);
  --line: var(--line-color);
  --primary: var(--primary-color);
  --primary-dark: var(--primary-dark-color);
  --accent: var(--accent-color);
  --green: var(--green-color);
  --rose: var(--rose-color);

  /* Border radius and UI spacing tokens */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  
  --primary-glow: rgba(99, 102, 241, 0.15);
  --backdrop-blur: blur(20px) saturate(180%);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  /* Scrollbars customization */
  --color-scrollbar-track: light-dark(#f1f5f9, #0f172a);
  --color-scrollbar-thumb: light-dark(#cbd5e1, #334155);
  scrollbar-color: var(--color-scrollbar-thumb) var(--color-scrollbar-track);
  scrollbar-width: thin;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--bg);
  background-image: var(--radial-gradient);
  background-attachment: fixed;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}

svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}