:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--primary-color: #667eea;--primary-dark: #5a67d8;--secondary-color: #764ba2;--success-color: #48bb78;--success-light: #9ae6b4;--warning-color: #ed8936;--danger-color: #f56565;--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-card: #16213e;--bg-card-hover: #1f2b47;--bg-input: #0f3460;--text-primary: #ffffff;--text-secondary: #a0aec0;--text-muted: #718096;--border-color: rgba(255, 255, 255, .1);--border-light: rgba(255, 255, 255, .05);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(102, 126, 234, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 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