:root {
  --bg: #f4f5f7; --card: #fff; --text: #1f2933; --muted: #6b7280; --line: #e5e7eb;
  --accent: #2563eb; --pos: #15803d; --neg: #b91c1c; --sandbox: #16a34a; --live: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --card: #1b1f24; --text: #e5e7eb; --muted: #9ca3af; --line: #2d333b;
          --accent: #60a5fa; --pos: #4ade80; --neg: #f87171; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
header nav { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
header nav a { padding: 4px 10px; border-radius: 6px; color: var(--text); text-decoration: none; }
header nav a.active { background: var(--bg); font-weight: 600; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; overflow-x: auto; }
.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
h1 { font-size: 1.3em; margin: 0 0 10px; } h2 { font-size: 1.1em; margin: 0 0 8px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 6px; color: #fff; font-weight: 700; font-size: .85em; }
.badge.sandbox { background: var(--sandbox); } .badge.live { background: var(--live); }
.stats { display: flex; flex-wrap: wrap; gap: 18px; margin: 10px 0; }
.stats div { display: flex; flex-direction: column; } .stats b { font-size: 1.15em; }
.muted { color: var(--muted); } .error { color: var(--neg); } .pos { color: var(--pos); } .neg { color: var(--neg); }
.flash { background: #fef3c7; color: #78350f; padding: 8px 12px; border-radius: 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
form.inline { display: inline; }
button, .button { display: inline-block; padding: 6px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; text-decoration: none; }
button.danger, .button.danger { background: var(--live); }
button.link { background: none; border: none; color: var(--accent); padding: 0; }
button[disabled] { opacity: .5; cursor: not-allowed; }
label { display: block; margin: 6px 0; }
input, select { font: inherit; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); }
form.settings fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 10px; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 4px 16px; }
form.settings label input { display: block; width: 100%; }
form.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
form.filters label { margin: 0; }
tr.level-warning td { background: rgba(234, 179, 8, .12); }
tr.level-error td, tr.level-critical td { background: rgba(220, 38, 38, .12); }