:root {
  --bg: #0f1115; --fg: #e6e8eb; --muted: #8a919c; --card: #171a21; --border: #2a2f3a;
  --up: #2ea043; --degraded: #d29922; --down: #f85149; --accent: #4493f8;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 24px; border-bottom: 1px solid var(--border); }
header h1 { font-size: 18px; margin: 0; }
nav a { color: var(--accent); text-decoration: none; }
main { max-width: 900px; margin: 0 auto; padding: 16px 24px 48px; }
.muted { color: var(--muted); }
.error { color: var(--down); }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin: 12px 0; }
.toggle button { background: none; border: 1px solid var(--border); color: var(--muted); padding: 4px 10px; cursor: pointer; }
.toggle button.active { color: var(--fg); border-color: var(--accent); }
.monitors { display: flex; flex-direction: column; gap: 12px; }
.monitor-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.monitor-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.monitor-head a { color: var(--fg); text-decoration: none; font-weight: 600; }
.badge { font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px; text-transform: uppercase; }
.badge.up { background: var(--up); color: #fff; }
.badge.degraded { background: var(--degraded); color: #111; }
.badge.down { background: var(--down); color: #fff; }
.badge.unknown { background: var(--border); color: var(--muted); }
.uptime-bar { display: flex; gap: 1px; height: 26px; margin: 10px 0 4px; }
.uptime-bar .seg { flex: 1; min-width: 2px; border-radius: 2px; background: var(--up); }
.uptime-bar .seg.degraded { background: var(--degraded); }
.uptime-bar .seg.down { background: var(--down); }
.uptime-bar .seg.empty { background: var(--border); }
.uptime-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
#monitor-list ul { list-style: none; padding: 0; }
#monitor-list li { display: flex; gap: 8px; align-items: center; padding: 6px 8px; border-radius: 6px; cursor: pointer; }
#monitor-list li:hover, #monitor-list li.selected { background: var(--card); }
#monitor-list button, .actions button, dialog menu button { background: var(--card); border: 1px solid var(--border); color: var(--fg); padding: 6px 14px; border-radius: 6px; cursor: pointer; }
.actions button.danger { border-color: var(--down); color: var(--down); }
.detail-head { display: flex; gap: 12px; align-items: center; }
#latency-chart svg { width: 100%; height: 160px; }
table { border-collapse: collapse; width: 100%; margin: 8px 0; }
th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
dialog { background: var(--card); color: var(--fg); border: 1px solid var(--border); border-radius: 8px; min-width: 320px; }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog label { display: block; margin: 10px 0; }
dialog input, dialog select { width: 100%; padding: 6px 8px; background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 6px; }
dialog label.checkbox input { width: auto; }
dialog menu { display: flex; gap: 8px; justify-content: flex-end; padding: 0; }