/* CSS Variables - DigitalAInest Visual Design System */
:root {
  /* Brand Color Ratios */
  /* 60% - DEEP VOID (Main page background, hero, canvas, dark sections) */
  --bg-deep-void: #0B0F19;
  
  /* 30% - SLATE CANVAS (Cards, panels, sidebars, node blocks, inputs, containers) */
  --bg-slate-canvas: #1E293B;
  --bg-slate-hover: #334155;
  --bg-slate-card: #131C2E;
  
  /* 10% - NEON PURPLE (Primary CTA, active nodes, active controls, focus indicators) */
  --accent-purple: #A855F7;
  --accent-purple-hover: #9333EA;
  --accent-purple-glow: rgba(168, 85, 247, 0.35);
  --accent-purple-light: rgba(168, 85, 247, 0.15);
  
  /* Supporting Semantic Colors */
  --text-primary: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --border-grid: #334155;
  --border-light: rgba(255, 255, 255, 0.08);
  
  --status-success: #10B981;
  --status-success-bg: rgba(16, 185, 129, 0.15);
  --status-warning: #F59E0B;
  --status-warning-bg: rgba(245, 158, 11, 0.15);
  --status-error: #EF4444;
  --status-error-bg: rgba(239, 68, 68, 0.15);
  --status-ai: #A855F7;
  --status-ai-bg: rgba(168, 85, 247, 0.15);

  /* Layout & Shadows */
  --navbar-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --shadow-purple: 0 0 20px rgba(168, 85, 247, 0.3);

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* Genuine Bright Mode Theme (No simple inversion, high contrast & polished UI) */
[data-theme="bright"] {
  --bg-deep-void: #F8FAFC;
  --bg-slate-canvas: #FFFFFF;
  --bg-slate-hover: #F1F5F9;
  --bg-slate-card: #F8FAFC;
  
  --accent-purple: #9333EA;
  --accent-purple-hover: #7E22CE;
  --accent-purple-glow: rgba(147, 51, 234, 0.25);
  --accent-purple-light: rgba(147, 51, 234, 0.1);
  
  --text-primary: #0F172A;
  --text-muted: #475569;
  --text-dim: #64748B;
  --border-grid: #E2E8F0;
  --border-light: rgba(0, 0, 0, 0.08);

  --status-success: #059669;
  --status-success-bg: #ECFDF5;
  --status-warning: #D97706;
  --status-warning-bg: #FFFBEB;
  --status-error: #DC2626;
  --status-error-bg: #FEF2F2;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}