:root {
  --bg: #0e1416;
  --surface: #161f22;
  --surface-2: #1e2a2e;
  --border: #2a3a3f;
  --text: #e6eef0;
  --muted: #8ba0a6;
  --accent: #2ec4b6;
  --accent-ink: #04201d;
  --danger: #e5484d;
  --warn: #f5a524;
  --ok: #3dd68c;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[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;
}

h1 { font-size: 1.5rem; margin: 0.4rem 0 0; }
h2 { font-size: 1.05rem; margin: 0 0 0.8rem; }
p { margin: 0.4rem 0; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.5em; }

button, select, input, textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
}
input, textarea { width: 100%; }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
button { cursor: pointer; white-space: nowrap; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { border-color: var(--danger); color: var(--danger); }
button.ghost { background: transparent; }
button.small { padding: 0.2rem 0.6rem; font-size: 0.85rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}

.login { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login .card { width: min(100%, 360px); display: grid; gap: 0.5rem; }
.login h1 { margin: 0; color: var(--accent); }

.topbar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 0.7rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { color: var(--accent); letter-spacing: 0.04em; }
#tabs { display: flex; gap: 0.25rem; flex: 1; overflow-x: auto; }
#tabs button { background: transparent; border-color: transparent; color: var(--muted); }
#tabs button.active { color: var(--text); background: var(--surface-2); border-color: var(--border); }

.content { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.hero { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.group { display: inline-flex; }
.group button { border-radius: 8px 0 0 8px; }
.group select { border-radius: 0 8px 8px 0; border-left: 0; }

.pill {
  display: inline-block; padding: 0.15rem 0.7rem; border-radius: 99px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.pill.running { color: var(--ok); border-color: var(--ok); }
.pill.starting, .pill.stopping, .pill.updating { color: var(--warn); border-color: var(--warn); }
.pill.failed { color: var(--danger); border-color: var(--danger); }

.banner {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: color-mix(in srgb, var(--warn) 12%, var(--surface));
  border: 1px solid var(--warn); border-radius: var(--radius);
  padding: 0.7rem 1rem; margin: 0 0 1rem;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.stat { margin: 0; display: grid; gap: 0.15rem; }
.stat b { font-size: 1.3rem; font-variant-numeric: tabular-nums; }
meter { width: 100%; height: 0.5rem; }

.row { display: flex; gap: 0.5rem; align-items: center; margin: 0.6rem 0; }
.row.spread { justify-content: space-between; }
.row.spread h2 { margin: 0; }
.row select { flex: 0 1 auto; }
.check { display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.4rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.85rem; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td.buttons { text-align: right; white-space: nowrap; }
td.buttons > * { margin-left: 0.3rem; }
td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85rem; word-break: break-all; }
a.button {
  display: inline-block; text-decoration: none; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.2rem 0.6rem; font-size: 0.85rem;
}

.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.9rem 1.2rem; }
.field label { display: block; font-size: 0.9rem; margin-bottom: 0.2rem; }
.field small { color: var(--muted); display: block; margin-top: 0.15rem; }
.field.bool { display: flex; align-items: center; gap: 0.5rem; }
.field.bool label { margin: 0; }
.sticky-actions { position: sticky; bottom: 0; padding: 0.7rem 0; background: linear-gradient(transparent, var(--bg) 40%); text-align: right; }

textarea, .terminal {
  font: 13px/1.45 ui-monospace, Menlo, Consolas, monospace;
  background: #0a0f10;
}
.terminal {
  margin: 0; padding: 0.8rem; height: 320px; overflow: auto;
  border: 1px solid var(--border); border-radius: 8px;
  white-space: pre-wrap; word-break: break-word;
}
.terminal.tall { height: calc(100vh - 230px); min-height: 300px; }

#toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%);
  background: var(--surface-2); border: 1px solid var(--accent); border-radius: 8px;
  padding: 0.6rem 1rem; max-width: min(90vw, 560px); z-index: 10;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}
#toast.error { border-color: var(--danger); }

@media (max-width: 640px) {
  .hero { flex-direction: column; align-items: flex-start; }
  .row { flex-wrap: wrap; }
}