:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--bg-card:#fff;--bg-surface:#fff;--bg-elevated:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--text-on-primary:#fff;--border-color:#e2e8f0;--border-hover:#cbd5e1;--border-light:#f1f5f9;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#dbeafe;--secondary:#64748b;--secondary-hover:#475569;--success:#10b981;--success-hover:#059669;--success-light:#d1fae5;--warning:#f59e0b;--warning-hover:#d97706;--danger:#ef4444;--danger-hover:#dc2626;--danger-light:#fee2e2;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--radius-sm:6px;--radius:12px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:350ms cubic-bezier(0.4,0,0.2,1)}.dark-mode{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-card:#1e293b;--bg-surface:#1e293b;--bg-elevated:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--text-on-primary:#0f172a;--border-color:#475569;--border-hover:#64748b;--border-light:#334155;--primary:#60a5fa;--primary-hover:#3b82f6;--primary-light:#1e3a8a;--secondary:#94a3b8;--secondary-hover:#cbd5e1;--success:#34d399;--success-hover:#10b981;--success-light:#065f46;--danger:#f87171;--danger-hover:#ef4444;--danger-light:#7f1d1d;--shadow-sm:0 1px 2px 0 #0000004d;--shadow:0 1px 3px 0 #0000004d,0 1px 2px -1px #0000004d;--shadow-md:0 4px 6px -1px #0000004d,0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0000004d,0 4px 6px -4px 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