/* Light Mode (Default) */
:root {
  --bg-body: #ffffff;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-hover: #f1f5f9;
  --bg-input: #ffffff;
  --bg-disabled: #f1f5f9;
  
  --text-display: #0a192f;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --primary-color: #0066ff;
  --primary-hover: #0052cc;
  --primary-ring: rgba(0, 102, 255, 0.18);
  
  --border-color: #eef2f6;
  --border-hover: #cbd5e1;
  
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --danger-bg: #fef2f2;
  
  --card-bg: #ffffff;
  --card-border: #eef2f6;
  --header-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #ffffff;
  --footer-border: #eef2f6;

  --dropdown-bg: #ffffff;
  --dropdown-border: #e2e8f0;
  --dropdown-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  /* Hero Geometric Accent Palette */
  --geom-stroke: rgba(0, 102, 255, 0.22);
  --geom-stroke-strong: rgba(0, 102, 255, 0.45);
  --geom-fill: rgba(215, 235, 255, 0.35);
  --geom-glow: radial-gradient(circle at 50% 50%, rgba(195, 222, 255, 0.75) 0%, rgba(220, 238, 255, 0.45) 45%, rgba(255, 255, 255, 0) 72%);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-body: #0b1120;
  --bg-surface: #111827;
  --bg-surface-elevated: #1e293b;
  --bg-hover: #1e293b;
  --bg-input: #111827;
  --bg-disabled: #1e293b;
  
  --text-display: #f8fafc;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary-color: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-ring: rgba(59, 130, 246, 0.25);
  
  --border-color: #1e293b;
  --border-hover: #334155;
  
  --danger-color: #f87171;
  --danger-hover: #ef4444;
  --danger-bg: #450a0a;
  
  --card-bg: #111827;
  --card-border: #1e293b;
  --header-bg: rgba(11, 17, 32, 0.95);
  --footer-bg: #0b1120;
  --footer-border: #1e293b;

  --dropdown-bg: #111827;
  --dropdown-border: #1e293b;
  --dropdown-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.4);

  /* Hero Geometric Accent Palette (Dark Mode) */
  --geom-stroke: rgba(56, 189, 248, 0.25);
  --geom-stroke-strong: rgba(96, 165, 250, 0.55);
  --geom-fill: rgba(30, 58, 138, 0.25);
  --geom-glow: radial-gradient(circle at 50% 50%, rgba(30, 64, 175, 0.45) 0%, rgba(15, 23, 42, 0.25) 50%, rgba(11, 17, 32, 0) 75%);
}