:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #16191d;
  --muted: #6a717b;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --ok: #1f9d55;
  --warn: #c98a04;
  --bad: #d4382c;
  --ok-bg: #e7f6ed;
  --warn-bg: #fdf4dc;
  --bad-bg: #fce9e7;
  --code-bg: #0f1216;
  --code-text: #d6dde6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --surface: #16191e;
    --border: #262b32;
    --text: #e7eaee;
    --muted: #8b939e;
    --accent: #5b8ff9;
    --ok: #3fbf74;
    --warn: #e0a82e;
    --bad: #f0645a;
    --ok-bg: #12291c;
    --warn-bg: #2d2412;
    --bad-bg: #321715;
    --code-bg: #0a0c0f;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#shell { max-width: 1200px; margin: 0 auto; padding: 16px; }

h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 15px; }
h3 { font-size: 15px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.2em; margin: 0; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
section { margin-top: 20px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; }

button {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.ghost { background: transparent; }
button.small { padding: 4px 10px; font-size: 13px; }
button.danger { color: var(--bad); }

input, select {
  font: inherit;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 12px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 20px; }
.login-card label { display: grid; gap: 4px; font-weight: 500; }

/* top bar */
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand div { display: grid; line-height: 1.2; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), #7c5cf2); }
.stats { display: flex; gap: 8px; flex-wrap: wrap; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  min-width: 120px;
}
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-weight: 600; font-variant-numeric: tabular-nums; }
.meter { height: 4px; background: var(--border); border-radius: 2px; margin-top: 4px; overflow: hidden; }
.meter span { display: block; height: 100%; background: var(--accent); }
.meter.warn span { background: var(--warn); }
.meter.bad span { background: var(--bad); }

.alerts { display: grid; gap: 6px; margin-top: 14px; }
.alert { padding: 8px 12px; border-radius: 8px; background: var(--warn-bg); }
.alert.bad { background: var(--bad-bg); }

/* app cards */
.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.card-head { display: flex; align-items: center; gap: 8px; }
.card-head strong { font-size: 15px; }
.card-head .tag { margin-left: auto; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.online { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.dot.stopped, .dot.errored, .dot.missing, .dot.failed { background: var(--bad); box-shadow: 0 0 0 3px var(--bad-bg); }
.dot.busy { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-bg); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }
.tag { font-size: 12px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }
.tag.bad { color: var(--bad); border-color: var(--bad); }
.domains { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 13px; min-width: 0; }
.domains a { overflow-wrap: anywhere; }
.commit { font-size: 13px; min-width: 0; }
.commit code { font-size: 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; }
.commit .subject { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.facts { display: flex; gap: 14px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.facts b { color: var(--text); font-weight: 500; font-variant-numeric: tabular-nums; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* server */
.server-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; min-width: 0; }
.services { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.services li { display: flex; justify-content: space-between; gap: 8px; }
.pill { font-size: 12px; border-radius: 999px; padding: 1px 8px; background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.certs { width: 100%; border-collapse: collapse; font-size: 13px; }
.certs th { text-align: left; color: var(--muted); font-weight: 500; padding: 4px 0; }
.certs td { padding: 5px 0; border-top: 1px solid var(--border); overflow-wrap: anywhere; }
.certs td:last-child { text-align: right; white-space: nowrap; padding-left: 8px; }

/* dialog */
dialog {
  width: min(960px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 0;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dialog-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); }
#dialog-body { padding: 16px; display: grid; gap: 12px; }
pre.log {
  margin: 0;
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 8px;
  padding: 12px;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  max-height: 60vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.list { display: grid; gap: 6px; }
.list-item { display: flex; gap: 10px; align-items: center; border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px; }
.list-item .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-success { color: var(--ok); }
.status-failed { color: var(--bad); }
.tabs { display: flex; gap: 6px; }
.tabs button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

@media (max-width: 760px) {
  .server-grid { grid-template-columns: 1fr; }
  .apps { grid-template-columns: 1fr; }
  .stat { min-width: 0; flex: 1 1 40%; }
  #logout { margin-left: auto; }
}