:root{color-scheme:light;--sidebar-bg:#1e2228;--sidebar-border:#2a3040;--sidebar-text:#e5e7eb;--sidebar-muted:#6b7280;--sidebar-section:#4b5563;--sidebar-hover:rgba(255,255,255,0.05);--sidebar-active-bg:rgba(240,86,92,0.12);--sidebar-active-text:#f0565c;--sidebar-w:260px;--bg:#f3f4f6;--surface:#ffffff;--surface-2:#f9fafb;--surface-3:#f3f4f6;--text:#111827;--text-muted:#6b7280;--text-subtle:#9ca3af;--border:#e5e7eb;--border-2:#d1d5db;--shadow:0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px -1px rgba(0,0,0,0.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -2px rgba(0,0,0,0.05);--primary:#f0565c;--primary-hover:#e04349;--primary-subtle:rgba(240,86,92,0.1);--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;--radius:10px;--radius-sm:6px;--radius-lg:14px}[data-theme=light]{color-scheme:light;--sidebar-bg:#ffffff;--sidebar-border:#e5e7eb;--sidebar-text:#111827;--sidebar-muted:#6b7280;--sidebar-section:#9ca3af;--sidebar-hover:#f1f5f9;--sidebar-active-bg:rgba(240,86,92,0.1);--sidebar-active-text:#e04349}[data-theme=dark]{color-scheme:dark;--sidebar-bg:#0f1117;--sidebar-border:#1a1f2e;--sidebar-text:#e5e7eb;--sidebar-muted:#6b7280;--sidebar-section:#4b5563;--sidebar-hover:rgba(255,255,255,0.05);--sidebar-active-bg:rgba(240,86,92,0.12);--sidebar-active-text:#f0565c;--bg:#0d0f14;--surface:#161a22;--surface-2:#1c2130;--surface-3:#252d3a;--text:#eef1f6;--text-muted:#9aa3b2;--text-subtle:#6b7280;--border:#1e2430;--border-2:#2a3444;--shadow:0 1px 3px 0 rgba(0,0,0,0.4);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.5)}*,:after,:before{box-sizing:border-box}*{margin:0;padding:0}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}input,select,textarea{font:inherit;width:100%;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--surface);color:var(--text);transition:border-color .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-subtle)}select{cursor:pointer}textarea{resize:vertical}button{font:inherit;cursor:pointer;border:none;border-radius:var(--radius-sm);padding:9px 16px;font-weight:500;transition:background .15s,opacity .15s;white-space:nowrap}button:disabled{opacity:.5;cursor:default}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.error{color:var(--danger);font-size:13px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}