:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #f0f1f4;
  --text: #1a1a1f;
  --text-muted: #6b6b75;
  --border: #e2e3e8;
  --brand: #0f9d58;
  --brand-soft: #e6f7ee;
  --ok: #1a9f5c;
  --warn: #c9820a;
  --danger: #d9453b;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14151a;
    --surface: #1c1d23;
    --surface-muted: #24252c;
    --text: #e6e6ea;
    --text-muted: #9a9aa5;
    --border: #2e3038;
    --brand: #35d08a;
    --brand-soft: #16301f;
  }
}

:root[data-theme="dark"] {
  --bg: #14151a;
  --surface: #1c1d23;
  --surface-muted: #24252c;
  --text: #e6e6ea;
  --text-muted: #9a9aa5;
  --border: #2e3038;
  --brand: #35d08a;
  --brand-soft: #16301f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, "PingFang SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 16px; margin: 0; font-weight: 600; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.brand .tag {
  font-size: 12px; color: var(--brand); background: var(--brand-soft);
  padding: 2px 8px; border-radius: 999px;
}

.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: 12px; color: var(--text-muted); background: var(--surface-muted);
  border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px;
}

.conn {
  font-size: 12px; padding: 2px 10px; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--border); background: var(--surface-muted); color: var(--text-muted);
}
.conn.ok { color: var(--ok); border-color: var(--ok); }
.conn.danger { color: var(--danger); border-color: var(--danger); }

.key-field { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.key-field input {
  width: 200px; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface-muted); color: var(--text);
}

button {
  font: inherit; cursor: pointer; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-muted); color: var(--text);
  padding: 6px 12px;
}
button:hover { border-color: var(--brand); }
button.ghost { background: transparent; }

.tabs { display: flex; gap: 4px; padding: 10px 20px 0; flex-wrap: wrap; }
.tab {
  border: 1px solid transparent; border-bottom: none;
  background: transparent; color: var(--text-muted);
  padding: 8px 14px; border-radius: 8px 8px 0 0;
}
.tab.active { background: var(--surface); color: var(--text); border-color: var(--border); font-weight: 600; }

.alert {
  margin: 12px 20px 0; padding: 10px 14px; border-radius: var(--radius);
  background: #fdecea; color: #8a1f16; border: 1px solid #f3c1bb; font-size: 13px;
}
.alert.ok { background: #e6f7ee; color: #0d5b34; border-color: #b6e3ca; }
.alert.hidden { display: none; }
:root[data-theme="dark"] .alert { background: #3a1d1a; color: #f3c1bb; border-color: #5a2b26; }

main { padding: 16px 20px 40px; }
.panel { display: none; }
.panel.active { display: block; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.metric {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.metric-label { font-size: 12px; color: var(--text-muted); }
.metric-value { font-size: 26px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.metric.ok .metric-value { color: var(--ok); }
.metric.warn .metric-value { color: var(--warn); }
.metric.danger .metric-value { color: var(--danger); }

.site-block + .site-block { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border); }
.site-head { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 10px; }
.site-block .cards { margin-bottom: 0; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}
.card-title {
  font-size: 15px; font-weight: 600; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.filter { font-size: 12px; font-weight: 400; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
.filter select {
  padding: 4px 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-muted); color: var(--text); font: inherit; font-size: 12px;
}

.kv { display: grid; gap: 8px; }
.kv-row { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.kv-row:last-child { border-bottom: none; }
.kv-k { color: var(--text-muted); }
.kv-v { font-weight: 500; text-align: right; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-muted); font-weight: 500; background: var(--surface-muted); position: sticky; top: 0; }
tbody tr:hover { background: var(--surface-muted); }
td.mono, .mono { font-family: var(--mono); font-size: 12px; }
td.empty, .empty { color: var(--text-muted); text-align: center; padding: 20px; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--surface-muted); border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.danger { color: var(--danger); border-color: var(--danger); }

.logbox {
  margin: 0; padding: 12px; max-height: 60vh; overflow: auto;
  background: var(--surface-muted); border: 1px solid var(--border); border-radius: 8px;
  font-family: var(--mono); font-size: 12px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
}

.hint { color: var(--text-muted); font-size: 12px; margin: 0 0 12px; }

.setup-panel { margin: 24px; max-width: 720px; }
.setup-panel h2 { margin-top: 0; font-size: 20px; }
.settings-card { max-width: 760px; }
.settings-row { display: grid; gap: 8px; margin: 18px 0; }
.settings-row input[type="password"] {
  width: 100%; box-sizing: border-box; padding: 10px 12px;
  background: var(--surface-muted); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font: inherit;
}
.settings-ports { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 16px; display: grid; gap: 10px; }
button:disabled { opacity: .55; cursor: not-allowed; }
.hidden { display: none !important; }