*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;margin:0;background:#f6f7fb;color:#222}
header{background:#111;color:#fff;padding:12px 16px;display:flex;align-items:center;gap:16px}
header h1{font-size:18px;margin:0}
nav a{color:#ddd;margin-right:12px;text-decoration:none;padding:6px 10px;border-radius:6px}
nav a:hover, nav a.active{background:#2a2a2a;color:#fff}
nav .right{margin-left:auto;color:#bbb}
main{width:90%;max-width:1600px;margin:18px auto;padding:0 16px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.row{display:flex;gap:8px;align-items:center}
.stack > *{display:block;margin:8px 0}
input,textarea{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px}
button, .button{padding:8px 12px;border:1px solid #1f6feb;background:#1f6feb;color:#fff;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block}
.button.secondary, button.secondary{background:#6b7280;border-color:#6b7280}
.button.danger, button.danger{background:#b91c1c;border-color:#b91c1c}
.table{width:100%;border-collapse:collapse;margin-top:10px}
.table th,.table td{border-bottom:1px solid #eee;padding:8px;text-align:left}
.table td.right{text-align:right}
details summary{cursor:pointer}
footer{color:#666;text-align:center;padding:24px}
.login,.install{display:flex;min-height:100vh;align-items:center;justify-content:center}
.login .card,.install .card{width:440px}
.error{background:#fee2e2;color:#991b1b;padding:8px;border-radius:6px;margin-bottom:8px}
.muted{color:#6b7280}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
pre{background:#f8fafc;border:1px solid #e5e7eb;border-radius:8px;padding:10px;overflow:auto}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}