:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5d6878;
  --border: #dde2e8;
  --accent: #2457c5;
  --accent-text: #ffffff;
  --up: #1f8f4e;
  --down: #c62f2f;
  --paused: #8a8f98;
  --unknown: #b98a12;
  --danger: #b42323;
  --notice: #fff8e1;
  --radius: 8px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1b2129;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --border: #2c343f;
    --accent: #6d9bff;
    --accent-text: #0d1117;
    --up: #3fbf75;
    --down: #ff6b6b;
    --paused: #8a929e;
    --unknown: #e0b13a;
    --danger: #ff7070;
    --notice: #2b2716;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

/* Classes that set display (like .hint) must not override the hidden
   attribute. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, monospace; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); text-decoration: none; padding: .25rem 0; }
.nav a[aria-current="page"] { color: var(--text); border-bottom: 2px solid var(--accent); }
.account { margin-left: auto; display: flex; align-items: center; gap: 1rem; color: var(--muted); }

.container { max-width: 1040px; margin: 0 auto; padding: 1.5rem; }
.narrow { max-width: 440px; margin: 0 auto; padding: 3rem 1.5rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.back { margin: 0 0 1rem; }
.muted, .hint { color: var(--muted); }
.hint { display: block; font-size: .85rem; margin-top: .25rem; }
.links { margin: .75rem 0 0; }

.field { display: block; margin-bottom: 1rem; }
.field > span { display: block; font-weight: 600; margin-bottom: .3rem; }
.field input, .field select {
  width: 100%;
  padding: .55rem .7rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field input[aria-invalid="true"] { border-color: var(--danger); }
.field-error { display: block; color: var(--danger); font-size: .85rem; margin-top: .25rem; }
.field-error:empty { display: none; }

.row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.inline-form { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { flex: 1; min-width: 220px; margin-bottom: 0; }

.button {
  display: inline-block;
  padding: .55rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.button:disabled { opacity: .6; cursor: default; }
.button-secondary { color: var(--text); background: transparent; border-color: var(--border); }
.button-danger { color: var(--danger); background: transparent; border-color: var(--danger); }
.button-danger.confirming { color: #fff; background: var(--danger); }
.button-small { padding: .3rem .65rem; font-size: .85rem; }
.button-link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; }

.message { padding: .7rem .9rem; border-radius: 6px; background: var(--bg); border: 1px solid var(--border); }
.message.error { border-color: var(--danger); color: var(--danger); }
.message.ok { border-color: var(--up); color: var(--up); }
.notice { background: var(--notice); border: 1px solid var(--unknown); border-radius: 6px; padding: .75rem 1rem; margin-bottom: 1rem; }
.key-row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; margin: 0; }
.key-row code { word-break: break-all; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
.table-wrap table td:first-child, .table-wrap table th:first-child { padding-left: 1rem; }
.check-name { font-weight: 600; }
.check-url { display: block; font-size: .85rem; color: var(--muted); word-break: break-all; }

.status { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; white-space: nowrap; }
.status .dot { width: .65rem; height: .65rem; border-radius: 50%; background: currentColor; }
.status-up { color: var(--up); }
.status-down { color: var(--down); }
.status-paused { color: var(--paused); }
.status-unknown { color: var(--unknown); }
h1 .status { font-size: .95rem; vertical-align: middle; margin-left: .35rem; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin: 0 0 1.25rem; }
.facts div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; }
.facts dt { font-size: .8rem; color: var(--muted); }
.facts dd { margin: .2rem 0 0; font-weight: 600; word-break: break-word; }

.chart svg { width: 100%; height: auto; display: block; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .down { fill: var(--down); }
.chart text { fill: var(--muted); font-size: 11px; }

.empty { text-align: center; padding: 3rem 1rem; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }

@media (max-width: 640px) {
  .row { grid-template-columns: 1fr; }
  .topbar { gap: .75rem; padding: .75rem 1rem; }
  .account { margin-left: 0; width: 100%; justify-content: space-between; }
  .container { padding: 1rem; }
  .hide-mobile, .check-url { display: none; }
  .card { padding: 1rem; }
}

/* Servers */
h3 { font-size: .95rem; margin: 1.25rem 0 .5rem; color: var(--muted); }
.snippet {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .8rem;
  overflow-x: auto;
  font: .85rem ui-monospace, SFMono-Regular, Menlo, monospace;
}
.inline-form .message { flex-basis: 100%; margin: 0; }
.usage { display: inline-flex; align-items: center; gap: .5rem; justify-content: flex-end; white-space: nowrap; }
.usage meter { width: 4.5rem; }
.legend { display: flex; gap: 1rem; margin: 0 0 .5rem; font-size: .85rem; color: var(--muted); }
.key::before { content: ""; display: inline-block; width: .8rem; height: .25rem; margin-right: .35rem; vertical-align: middle; background: currentColor; }
.key-cpu::before { background: var(--accent); }
.key-mem::before { background: var(--unknown); }
.key-total::before { background: var(--paused); }
.key-5xx::before { background: var(--down); }
.chart .line-cpu { stroke: var(--accent); }
.chart .line-mem { stroke: var(--unknown); }
.chart .line-latency { stroke: var(--accent); }
.chart .bar-total { fill: var(--paused); opacity: .6; }
.chart .bar-5xx { fill: var(--down); }
.scroll { overflow-x: auto; }
.scroll-box { overflow: auto; max-height: 30rem; }
.scroll td code, .scroll-box td code { word-break: break-all; }
.scroll-box thead th { position: sticky; top: 0; background: var(--surface); }
#servers { margin-bottom: 1.25rem; }
.nowrap { white-space: nowrap; }
.code-5xx { color: var(--down); font-weight: 600; }
.code-4xx { color: var(--unknown); }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: .75rem; }
.section-head h2 { margin: 0; }
.inline-field { display: flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .9rem; }
.inline-field select { padding: .3rem .5rem; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 6px; }
.logs {
  margin: 0;
  max-height: 32rem;
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .8rem;
  font: .8rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-all;
}
.log-time { color: var(--muted); }
.log-source { color: var(--accent); }

#keys, #contacts { margin-bottom: 1rem; }
#contacts:has(p.muted:only-child) { margin-bottom: 0; }