:root {
  color-scheme: light;
  --surface-0: #f4f4f1;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --hairline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --unknown: #9a9993;
  --code-bg: #efeee9;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface-0: #121211;
    --surface-1: #1a1a19;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e88;
    --hairline: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --unknown: #75746f;
    --code-bg: #232321;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--surface-0);
  color: var(--text-primary);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-variant-numeric: tabular-nums;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

header.top {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--surface-1); border-bottom: 1px solid var(--hairline);
}
header.top h1 { font-size: 17px; margin: 0; }
header.top .meta { color: var(--text-secondary); font-size: 13px; }
header.top .spacer { flex: 1; }
header.top form { margin: 0; }

main { padding: 20px 24px 48px; max-width: 1500px; margin: 0 auto; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 20px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.tile .label { color: var(--text-secondary); font-size: 12.5px; }
.tile .value { font-size: 26px; font-weight: 600; margin-top: 2px; }
.tile .sub { color: var(--text-muted); font-size: 12px; }

section.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 20px; overflow: hidden; }
section.card > .head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--hairline); }
section.card > .head h2 { font-size: 15px; margin: 0; }
section.card > .head .meta { color: var(--text-secondary); font-size: 12.5px; }
section.card > .head .spacer { flex: 1; }
section.card > .body { padding: 12px 16px; }
.scroll { overflow-x: auto; }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--hairline); vertical-align: top; white-space: nowrap; }
th { color: var(--text-secondary); font-weight: 500; font-size: 12.5px; }
tr:last-child td { border-bottom: none; }
td.wrap { white-space: normal; min-width: 220px; max-width: 460px; word-break: break-word; }
td.num, th.num { text-align: right; }
.muted { color: var(--text-muted); }
.err { color: var(--critical); }
.empty { color: var(--text-muted); padding: 14px 16px; }

.status { display: inline-flex; align-items: center; gap: 6px; }
.status .icon { font-size: 11px; line-height: 1; }
.status.ok .icon { color: var(--good); }
.status.failing .icon { color: var(--warning); }
.status.cooling .icon { color: var(--critical); }
.status.unknown .icon { color: var(--unknown); }

.pill { display: inline-block; padding: 0 7px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-secondary); font-size: 12px; }
.pill.current { border-color: var(--accent); color: var(--accent); }

button, .btn, select, input[type=text], input[type=password], textarea {
  font: inherit; color: var(--text-primary); background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 6px;
}
button, .btn { padding: 4px 10px; cursor: pointer; }
button:hover:not(:disabled), .btn:hover { border-color: var(--accent); text-decoration: none; }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--critical); }
input[type=text], input[type=password], select, textarea { padding: 5px 8px; }

.login { max-width: 360px; margin: 12vh auto; background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 24px; }
.login h1 { font-size: 18px; margin: 0 0 16px; }
.login input { width: 100%; margin: 6px 0 14px; }
.login .err { margin-bottom: 10px; }

#toast { position: fixed; right: 20px; bottom: 20px; max-width: 520px; padding: 10px 14px; border-radius: 8px;
  background: var(--surface-1); border: 1px solid var(--border); box-shadow: 0 4px 16px rgba(0,0,0,.15); display: none; white-space: pre-wrap; }
#toast.show { display: block; }
#toast.error { border-color: var(--critical); }

/* box page */
header.top h1 a { color: inherit; }
.field { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); font-size: 13px; }
.box-grid { display: grid; grid-template-columns: minmax(320px, 420px) 1fr; gap: 20px; align-items: start; }
@media (max-width: 960px) { .box-grid { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: 8.5em 1fr; gap: 6px 14px; margin: 0 0 12px; }
.kv dt { color: var(--text-secondary); }
.kv dd { margin: 0; word-break: break-all; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.hint { color: var(--text-muted); font-size: 12px; margin: 10px 0 0; }
pre.out { margin: 0; padding: 8px 10px; background: var(--code-bg); border-radius: 6px; white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; max-height: 420px; overflow: auto; }
pre.out:empty { display: none; }
.screen { min-height: 120px; display: flex; align-items: center; justify-content: center; }
.screen img { max-width: 100%; height: auto; border: 1px solid var(--hairline); border-radius: 4px; }
form.shell { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
form.shell #cmd { flex: 1; min-width: 240px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.entry { margin-bottom: 12px; }
.cmdline { margin-bottom: 4px; }