:root {
    --bg: #0f1419;
    --card: #1a2029;
    --border: #2a323d;
    --text: #e6edf3;
    --muted: #8b98a5;
    --primary: #2f81f7;
    --green: #3fb950;
    --red: #f85149;
    --orange: #d29922;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: #12171e;
    border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 1.1rem; }
nav a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 18px;
}
nav a:hover { color: var(--text); }
main { max-width: 1000px; margin: 24px auto; padding: 0 16px; }
footer {
    text-align: center;
    color: var(--muted);
    padding: 24px;
    font-size: .85rem;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 20px;
}
h2 { margin-top: 0; font-size: 1.15rem; }
h3 { font-size: 1rem; color: var(--muted); }
code, pre, .mono { font-family: "SFMono-Regular", Consolas, monospace; }
code { background: #0d1117; padding: 2px 6px; border-radius: 4px; font-size: .85rem; }
pre {
    background: #0d1117;
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: .82rem;
    white-space: pre-wrap;
    word-break: break-all;
}
.server-info > div { margin: 6px 0; }
.lbl { display: inline-block; min-width: 140px; color: var(--muted); font-size: .85rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.note { color: var(--muted); font-size: .8rem; }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.offline { background: #444c56; }
.badge { padding: 3px 10px; border-radius: 20px; font-size: .8rem; }
.badge.online { background: rgba(63,185,80,.15); color: var(--green); }
.badge.offline { background: rgba(248,81,73,.15); color: var(--red); }
input[type=text], input[type=password] {
    background: #0d1117;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: .9rem;
}
input:focus { outline: none; border-color: var(--primary); }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 160px; }
.btn {
    display: inline-block;
    background: #21262d;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-size: .85rem;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.tiny { padding: 4px 9px; font-size: .78rem; }
.btn.danger { color: var(--red); }
.btn.danger:hover { background: var(--red); color: #fff; }
.btn.ok { color: var(--green); }
.btn.warn { color: var(--orange); }
.actions { white-space: nowrap; }
.ib { display: inline-block; margin: 0; }
.btn-row { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.alert { padding: 12px 16px; border-radius: 8px; margin: 14px 0; font-size: .88rem; }
.alert.error { background: rgba(248,81,73,.12); border: 1px solid var(--red); color: #ffb4ae; }
.alert.warn { background: rgba(210,153,34,.12); border: 1px solid var(--orange); color: #f2cc60; }
.login-card { max-width: 340px; margin: 60px auto; }
.login-card label { display: block; margin-bottom: 14px; }
.login-card input { width: 100%; margin-top: 6px; }
.conf-grid { display: grid; grid-template-columns: 1fr 220px; gap: 24px; }
.qr-box { text-align: center; }
.qr { width: 200px; height: 200px; background: #fff; padding: 8px; border-radius: 8px; }
form { margin: 0; }
@media (max-width: 700px) {
    .conf-grid { grid-template-columns: 1fr; }
    .lbl { min-width: 100px; }
}