:root {
  --bg: #f4f5f8; --card: #ffffff; --text: #1d2230; --muted: #6b7385; --line: #e3e6ee;
  --accent: #2f6fed; --accent-soft: #e8efff; --ok: #1f9d55; --ok-soft: #e3f6ea;
  --warn: #c2410c; --warn-soft: #fff1e7; --bad: #d23b3b; --bad-soft: #fdeaea;
  --radius: 10px; --shadow: 0 1px 2px rgba(20, 30, 60, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --card: #1a1e28; --text: #e6e9f0; --muted: #959cad; --line: #2a303d;
    --accent: #6b9bff; --accent-soft: #1f2a44; --ok: #4cc98a; --ok-soft: #173126;
    --warn: #fb923c; --warn-soft: #3a2614; --bad: #f87171; --bad-soft: #3a1c1c;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.6 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 6px; }
a { color: var(--accent); }
.note { color: var(--muted); margin: 0 0 12px; font-size: 13px; }
.hint { color: var(--muted); font-weight: 400; font-size: 12px; margin-left: 6px; }
.error { color: var(--bad); background: var(--bad-soft); border-radius: 8px; padding: 8px 10px; margin: 0 0 12px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.btn { border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 8px; padding: 7px 14px; font: inherit; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--bad); }
.btn-sm { padding: 3px 10px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: default; }

.field { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 13px; margin-bottom: 12px; min-width: 0; flex: 1; }
.field input, .field select, .field textarea { font: inherit; font-weight: 400; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
.field textarea { resize: vertical; }
.field input[type=checkbox] { width: auto; }
/* The hint goes under the box, so boxes side by side line up. */
.field > .hint { order: 3; margin-left: 0; }
fieldset.field { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }
fieldset.field legend { padding: 0 4px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 6px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; display: flex; flex-direction: column; }

.top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-size: 15px; white-space: nowrap; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tab { border: 0; background: transparent; color: var(--muted); font: inherit; padding: 6px 12px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.tab.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.page { max-width: 1200px; margin: 0 auto; padding: 16px; }
.section-title { margin: 20px 0 10px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 12px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.stat span { display: block; color: var(--muted); font-size: 12px; }
.stat strong { font-size: 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 12px; }
.panel-card h3 { margin: 0; font-size: 15px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel-card .meta { color: var(--muted); font-size: 12px; margin: 2px 0 10px; overflow-wrap: anywhere; }
.badge { display: inline-block; border-radius: 999px; padding: 0 8px; font-size: 12px; font-weight: 600; background: var(--line); color: var(--muted); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.info { background: var(--accent-soft); color: var(--accent); }
.servers { width: 100%; border-collapse: collapse; font-size: 13px; }
.servers td { padding: 5px 0; border-top: 1px solid var(--line); vertical-align: middle; }
.servers td.num { text-align: right; white-space: nowrap; padding-left: 8px; font-variant-numeric: tabular-nums; }
.servers td.map { color: var(--muted); padding-left: 10px; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 4px; background: var(--line); border-radius: 2px; margin-top: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); }
.down { color: var(--muted); }

.list { display: grid; gap: 10px; }
.notice h3 { margin: 0; font-size: 15px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.notice .body { white-space: pre-wrap; overflow-wrap: anywhere; margin: 8px 0; }
.notice .meta { color: var(--muted); font-size: 12px; }
.reads { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.reads span { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 0 8px; font-size: 12px; }
.ptable { width: 100%; border-collapse: collapse; }
.ptable th, .ptable td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13px; }
.ptable th { color: var(--muted); font-weight: 600; }
.ptable .ops { display: flex; flex-wrap: wrap; gap: 4px; }
.key pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 16px; border-radius: 8px; z-index: 9; max-width: calc(100vw - 32px); }

@media (max-width: 640px) {
  .top { gap: 8px; padding: 8px 12px; }
  .brand { display: none; }
  .page { padding: 12px; }
  .grid { grid-template-columns: 1fr; }
  .ptable thead { display: none; }
  .ptable tr { display: block; border-bottom: 1px solid var(--line); padding: 6px 0; }
  .ptable td { display: block; border: 0; padding: 2px 0; }
}