:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --panel-raised: #243044;
  --panel-deep: #121a24;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --accent-hover: #5a9dff;
  --danger: #e5534b;
  --success: #3fb950;
  --warn: #d29922;
  --on-bg: #1a3324;
  --on-border: #2d5a3d;
  --on-text: #9be9a8;
  --danger-bg: #3d2020;
  --danger-border: #6b3030;
  --danger-text: #ffb4b0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}

.site-header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.2rem 0;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
  text-decoration: none;
}

main.page {
  padding: 1.25rem;
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.status-card {
  background: #121a24;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
}

.status-card .label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.status-card .value {
  font-size: 1rem;
  font-weight: 600;
}

.status-ok { color: var(--success); }
.status-error { color: var(--danger); }
.status-warn { color: var(--warn); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 500; }

input, textarea, select, button {
  font: inherit;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 0.45rem 0.65rem;
}

button {
  cursor: pointer;
  background: var(--panel-raised);
  color: var(--text);
}

button:hover:not(.on):not(.danger):not(.primary) {
  background: #2f3d55;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-hover); }

/* Shared control chrome — use on every page instead of light-theme leftovers */
.btn {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-raised);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}
.btn:hover:not(.on):not(.danger):not(.primary) {
  background: #2f3d55;
  border-color: var(--accent);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover { background: var(--accent-hover); }
/* High-contrast selected / danger — muted same-hue pairs were unreadable */
.btn.on,
button.on {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}
.btn.on:hover,
button.on:hover {
  background: #4ac866;
  border-color: #4ac866;
  color: #fff;
}
.btn.danger,
button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.btn.danger:hover,
button.danger:hover {
  background: #f07068;
  border-color: #f07068;
  color: #fff;
}

.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 2rem 0; text-align: center; }