:root{--bg-dark: #070a13;--bg-card: rgba(16, 22, 38, .7);--bg-card-hover: rgba(25, 34, 59, .85);--primary: #8b5cf6;--primary-glow: rgba(139, 92, 246, .35);--secondary: #06b6d4;--secondary-glow: rgba(6, 182, 212, .35);--accent: #10b981;--accent-glow: rgba(16, 185, 129, .25);--warning: #f59e0b;--danger: #ef4444;--text-primary: #f3f4f6;--text-secondary: #9ca3af;--text-muted: #6b7280;--border-color: rgba(255, 255, 255, .08);--border-focus: rgba(6, 182, 212, .5);--surface-page: #070a13;--surface-header: rgba(7, 10, 19, .75);--surface-input: rgba(0, 0, 0, .28);--surface-input-text: #f3f4f6;--surface-panel: #111827;--surface-elevated: #1e293b;--surface-canvas: #020617;--surface-canvas-venn: #030712;--surface-inset: rgba(0, 0, 0, .22);--surface-hover: rgba(255, 255, 255, .05);--surface-hover-strong: rgba(255, 255, 255, .09);--surface-banner: linear-gradient(135deg, rgba(27, 20, 52, .6) 0%, rgba(13, 27, 42, .6) 100%);--heading-gradient-from: #ffffff;--heading-gradient-to: 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