:root{--navy:#1f3a5f;--accent:#2e6f9e;--bg:#f4f6f9;--card:#fff;--line:#e2e8f0;--text:#1f2937;--muted:#6b7280;--green:#2e7d46;--danger:#c0392b}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent)}.container{max-width:1000px;margin:0 auto;padding:24px 16px}.topbar{background:var(--navy);color:#fff;padding:14px 20px;display:flex;align-items:center;justify-content:space-between}.topbar .brand{font-weight:700;letter-spacing:.3px}.topbar .right{display:flex;align-items:center;gap:12px;font-size:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}h1{font-size:24px;margin:0 0 12px;color:var(--navy)}h2{font-size:18px;margin:0 0 10px;color:var(--accent)}h3{font-size:15px;margin:12px 0 6px;color:var(--navy)}label{display:block;font-size:13px;color:var(--muted);margin:8px 0 4px}input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff}textarea{font-family:ui-monospace,Menlo,Consolas,monospace}button{cursor:pointer;border:none;border-radius:8px;padding:9px 14px;font-size:14px;font-weight:600;background:var(--accent);color:#fff}button.secondary{background:#eef3f8;color:var(--navy);border:1px solid var(--line)}button.ghost{color:var(--accent)}button.danger,button.ghost{background:transparent;padding:4px 8px}button.danger{color:var(--danger)}button:disabled{opacity:.6;cursor:default}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.row>div{flex:1 1;min-width:140px}.list{list-style:none;padding:0;margin:0}.item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:none}.pill{font-size:12px;padding:2px 8px;border-radius:999px;background:#eef3f8;color:var(--navy)}.muted{color:var(--muted);font-size:13px}.error{background:#fdecea;color:var(--danger);padding:10px 12px;border-radius:8px;margin:10px 0;font-size:14px}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.loginbox{width:360px}.variant{margin-left:18px;padding:6px 0;border-bottom:1px dashed var(--line)}pre{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:14px;border-radius:8px;font-size:13px;max-height:360px;overflow:auto}