:root {
  --bg: #0f1216;
  --surface: #171b21;
  --surface-2: #1e242c;
  --border: #2a323c;
  --text: #e6e9ee;
  --muted: #9aa5b1;
  --accent: #4c8dff;
  --ok: #3fb950;
  --bad: #f85149;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 650;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(76, 141, 255, 0.18);
}
.topbar nav { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: var(--text); }

h1 { font-size: 24px; margin: 0 0 20px; }
h2 { font-size: 15px; margin: 0 0 6px; color: var(--muted); font-weight: 600; }

a { color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.card .metric { font-size: 22px; font-weight: 650; margin: 0 0 4px; }
.card-ok { border-color: rgba(63, 185, 80, 0.45); }
.card-ok .metric { color: var(--ok); }
.card-bad { border-color: rgba(248, 81, 73, 0.5); }
.card-bad .metric { color: var(--bad); }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th, .table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.table th {
  background: var(--surface-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.page-head h1 { margin: 0; }

.button, button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}
.button:hover, button:hover { filter: brightness(1.08); }
.button.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.filters { margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.filters label { font-size: 13px; color: var(--muted); }
select, input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
}
input:focus, select:focus { outline: 2px solid rgba(76, 141, 255, 0.5); outline-offset: 1px; }

form.stack { display: flex; flex-direction: column; gap: 6px; max-width: 420px; }
form.stack label { font-size: 13px; color: var(--muted); margin-top: 8px; }
form.stack .actions { display: flex; align-items: center; gap: 10px; margin-top: 18px; }

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}
.pager .disabled { color: #5b6470; }

.flashes, .errors {
  list-style: none;
  padding: 12px 14px;
  border-radius: var(--radius);
  margin: 0 0 20px;
  font-size: 14px;
}
.flash { background: rgba(63, 185, 80, 0.12); border: 1px solid rgba(63, 185, 80, 0.4); }
.flash-error { background: rgba(248, 81, 73, 0.12); border: 1px solid rgba(248, 81, 73, 0.4); }
.errors { background: rgba(248, 81, 73, 0.1); border: 1px solid rgba(248, 81, 73, 0.4); }
.flashes li + li, .errors li + li { margin-top: 6px; }

.empty {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--muted);
}

.error-page { text-align: center; padding: 48px 0; }
.error-status { font-size: 44px; font-weight: 700; color: var(--bad); margin: 0; }
.error-page h1 { text-transform: capitalize; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 16px;
  padding-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }