:root{--bg:#0f1221;--surface:#171a2e;--surface-2:#1f2440;--border:#2a2f52;--text:#e7e9f5;--muted:#9aa0c3;--primary:#6c5ce7;--primary-2:#8b7bff;--success:#22c55e;--danger:#ef4444;--warn:#f59e0b;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px}a{color:var(--primary-2)}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:10px 14px;background:var(--primary);color:#fff;transition:filter .15s}button:hover{filter:brightness(1.1)}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}button.danger{background:var(--danger)}button.sm{padding:6px 10px;font-size:13px}input,select,textarea{font:inherit;width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text)}label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}.field{margin-bottom:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row>*{flex:1 1 auto}.muted{color:var(--muted)}.right{text-align:right}.center{display:grid;place-items:center;min-height:100vh;padding:16px}.stack>*+*{margin-top:10px}.pill{font-size:12px;padding:3px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border)}.pill.ok{color:var(--success);border-color:var(--success)}.pill.cancel{border-color:var(--danger)}.err,.pill.cancel{color:var(--danger)}.err,.ok-msg{font-size:13px}.ok-msg{color:var(--success)}h1{font-size:20px}h2{font-size:17px;margin-top:0}h3{font-size:15px}.list-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2)}.list-item+.list-item{margin-top:8px}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:18px 12px}.brand{font-weight:700;font-size:18px;padding:8px 10px 18px}.nav button{display:block;width:100%;text-align:left;background:transparent;color:var(--muted);border-radius:10px;padding:11px 12px;margin-bottom:4px}.nav button.active{background:var(--surface-2);color:var(--text)}.content{padding:24px;max-width:900px}.topbar{display:none}@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}.sidebar.open{display:block;position:fixed;inset:0 30% 0 0;z-index:20}.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface);position:-webkit-sticky;position:sticky;top:0;z-index:10}.content{padding:16px}}