:root {
  --bg: #f6f7f9; --panel: #fff; --text: #1a1d23; --muted: #6b7280; --border: #e5e7eb;
  --accent: #2563eb; --accent-soft: #dbeafe; --danger: #b91c1c; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1115; --panel: #171a21; --text: #e5e7eb; --muted: #9ca3af; --border: #2a2f3a; --accent: #60a5fa; --accent-soft: #1e3a5f; --danger: #f87171; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--panel); }
.topbar .brand { font-weight: 700; color: var(--text); }
.topbar nav { display: flex; gap: 18px; align-items: center; }
.topbar nav a { color: var(--text); }
form.inline { display: inline; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; }
h1 { font-size: 24px; margin: 0 0 16px; } h2 { font-size: 16px; margin: 0 0 12px; } h1 small { font-weight: 400; color: var(--muted); font-size: 15px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.grid { display: grid; gap: 16px; } .grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 2px; }
.live { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.range { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 16px; }
.range a, .range button { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel); color: var(--text); font: inherit; cursor: pointer; }
.range a.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.range form { display: flex; gap: 6px; align-items: center; margin-left: auto; }
.range input[type=date] { padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); color: var(--text); font: inherit; }
svg.chart { width: 100%; height: auto; display: block; } svg.chart text { fill: var(--muted); font-size: 11px; } svg.chart line { stroke: var(--border); }
svg.chart rect { fill: var(--accent); } svg.chart rect:hover { opacity: .75; }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 13px; } td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.bar { position: relative; } .bar .fill { position: absolute; inset: 4px 0; background: var(--accent-soft); border-radius: 4px; z-index: 0; }
.bar span { position: relative; z-index: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; max-width: 420px; }
.empty { color: var(--muted); padding: 12px 0; }
.form { display: grid; gap: 12px; max-width: 480px; } .form label { display: grid; gap: 4px; font-size: 14px; }
.form input[type=text], .form input[type=email], .form input[type=password], .form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
.form .check { display: flex; align-items: center; gap: 8px; } .form .check input { width: auto; }
.btn { display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
.btn.secondary { background: transparent; color: var(--accent); } .btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.error { color: var(--danger); } .validation-summary-errors ul { margin: 0; padding-left: 18px; }
.alert { padding: 10px 14px; border-radius: 6px; background: var(--accent-soft); margin-bottom: 16px; }
pre.code { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; overflow-x: auto; font-size: 13px; }
.checks { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); } .checks label { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }
.site-list { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.site-card { display: block; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; color: var(--text); }
.site-card:hover { border-color: var(--accent); text-decoration: none; } .site-card .name { font-weight: 600; font-size: 16px; } .site-card .num { font-size: 22px; font-weight: 700; margin-top: 8px; }
.login { max-width: 380px; margin: 60px auto; }
.footer { text-align: center; font-size: 12px; padding: 0 20px 24px; }