:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --card: #1a1d23;
    --text: #e6e8eb;
    --muted: #9aa1ac;
    --border: #2a2e37;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.topbar h1 { font-size: 1.25rem; margin: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

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

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.ok { background: rgba(22,163,74,0.15); color: var(--ok); }
.badge.off { background: rgba(220,38,38,0.15); color: var(--danger); }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }

form.inline { display: inline; }

label { display: block; font-size: 0.85rem; color: var(--muted); margin: 14px 0 4px; }
input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
}
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.checkbox-row input { width: auto; }

.error { color: var(--danger); font-size: 0.9rem; margin-top: 8px; }
.muted { color: var(--muted); font-size: 0.85rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-top: 8px; }
.stat { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.stat .value { font-size: 1.3rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 0.78rem; }