/* ==========================================================================
   DESIGN TOKENS & DUAL-THEME SYSTEM (DARK & LIGHT)
   Oshan Nethsara Subhasinghe — Personal Portfolio (oshan.me)
   ========================================================================== */

/* Dark Theme (Default) */
:root {
  --theme-name: "dark";

  /* Backgrounds & Surfaces */
  --bg: #0c0e12;
  --bg-subtle: #12151b;
  --surface: #171b22;
  --surface-raised: #1e232c;
  --surface-hover: #262c37;
  
  /* Borders & Lines */
  --line: #242a34;
  --line-light: #2e3643;
  --line-strong: #414c5e;

  /* Typography */
  --text-primary: #f3f5f8;
  --text-secondary: #9aa3b0;
  --text-muted: #626b79;
  --text-inverse: #0c0e12;

  /* Accents - Warm Amber & Refined Cyan */
  --amber: #f59e0b;
  --amber-bright: #fbbf24;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --amber-glow: rgba(245, 158, 11, 0.22);

  --cyan: #06b6d4;
  --cyan-bright: #22d3ee;
  --cyan-dim: rgba(6, 182, 212, 0.12);

  --emerald: #10b981;
  --emerald-dim: rgba(16, 185, 129, 0.14);

  /* Fonts */
  --font-display: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', SFMono-Regular, Menlo, Consolas, monospace;

  /* Sizing & Radius */
  --rail-w: 64px;
  --header-h: 70px;
  --content-max: 920px;
  --content-wide: 1140px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme */
[data-theme="light"] {
  --theme-name: "light";

  /* Backgrounds & Surfaces */
  --bg: #f8fafc;
  --bg-subtle: #f1f5f9;
  --surface: #ffffff;
  --surface-raised: #f8fafc;
  --surface-hover: #f1f5f9;

  /* Borders & Lines */
  --line: #e2e8f0;
  --line-light: #cbd5e1;
  --line-strong: #94a3b8;

  /* Typography */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Accents - Rich Amber & Teal */
  --amber: #d97706;
  --amber-bright: #b45309;
  --amber-dim: rgba(217, 119, 6, 0.1);
  --amber-glow: rgba(217, 119, 6, 0.15);

  --cyan: #0891b2;
  --cyan-bright: #0284c7;
  --cyan-dim: rgba(8, 145, 178, 0.1);

  --emerald: #059669;
  --emerald-dim: rgba(5, 150, 105, 0.1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
}