:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --primary: #3b82f6;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #f59e0b;
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hidden { display: none !important; }
.error { color: var(--danger); }
.success { color: var(--success); }

.app-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  flex-shrink: 0;
}

.brand {
  padding: 0 1rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.side-nav {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0;
  flex: 1;
}

.side-nav a {
  padding: 0.55rem 1rem;
  color: var(--muted);
  border-left: 3px solid transparent;
}

.side-nav a:hover { background: rgba(255,255,255,0.03); text-decoration: none; color: var(--text); }
.side-nav a.active {
  color: var(--text);
  border-left-color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.page-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.page-header h1 { margin: 0; font-size: 1.25rem; font-weight: 600; }

.page-content { padding: 1.5rem; flex: 1; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-label { color: var(--muted); font-size: 0.85rem; }
.stat-value { font-size: 1.5rem; font-weight: 600; }
.stat-value.stat-small { font-size: 0.95rem; font-weight: 500; }

.service-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
}
.badge.ok { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge.err { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge.warn { background: rgba(245, 158, 11, 0.15); color: var(--warn); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 500; }
.warn-cell { color: var(--warn); }

.trend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.trend-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.trend-label { font-size: 0.85rem; color: var(--muted); }

.trend-svg {
  width: 100%;
  height: 60px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.trend-stat { font-size: 0.8rem; color: var(--muted); }

.trend-range.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.disk-usage-block { margin-bottom: 1.25rem; }
.disk-usage-block h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.disk-usage-block table { width: 100%; font-size: 0.85rem; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: min(900px, 100%);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.conf-pre {
  margin: 0;
  padding: 1rem;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 65vh;
}

.muted-box { border-style: dashed; }

button, .link-btn {
  background: var(--border);
  color: var(--text);
  border: none;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
button.primary { background: var(--primary); }
button:hover { opacity: 0.9; }
.link-btn { background: transparent; padding: 0; text-align: left; }

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(400px, 92vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.auth-card h1 { margin: 0 0 0.25rem; font-size: 1.35rem; }
.auth-card label { display: block; margin: 1rem 0 0.35rem; font-size: 0.9rem; color: var(--muted); }
.auth-card input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.auth-card button { width: 100%; margin-top: 1.25rem; }

.narrow-form label { display: block; margin-bottom: 0.75rem; }
.narrow-form input {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-top: 0.35rem;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.config-dl { display: grid; grid-template-columns: 120px 1fr; gap: 0.5rem 1rem; }
.config-dl dt { color: var(--muted); }
.config-dl dd { margin: 0; }

.btn-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
}
.btn-link:hover { text-decoration: none; opacity: 0.9; }

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(0,0,0,0.15);
}

.service-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.service-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.service-card-actions button.danger {
  background: rgba(239, 68, 68, 0.25);
  color: var(--danger);
}

.cmd-output {
  margin: 0;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 240px;
  overflow: auto;
}

.cmd-output.output-ok { border-color: var(--success); }
.cmd-output.output-err { border-color: var(--danger); color: var(--danger); }

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

.audit-msg {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }

@media (max-width: 768px) {
  .app-layout { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .side-nav a { border-left: none; border-bottom: 2px solid transparent; }
  .side-nav a.active { border-bottom-color: var(--primary); }
}