:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --panel-2: #232d3a;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cfd;
  --accent-2: #1f6feb;
  --ok: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --line: #2b3645;
  --radius: 14px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: radial-gradient(1200px 600px at 10% -10%, #1a2a3d 0%, var(--bg) 55%); color: var(--text); font-family: var(--font); min-height: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }
.top { border-bottom: 1px solid var(--line); background: rgba(15,20,25,.85); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 0; }
.brand { font-weight: 700; color: var(--text); letter-spacing: .02em; }
.top nav { display: flex; gap: .85rem; flex-wrap: wrap; }
.top nav a { color: var(--muted); font-size: .95rem; }
.top nav a.active, .top nav a:hover { color: var(--text); text-decoration: none; }

main.wrap { padding: 1.5rem 0 3rem; }
.foot { padding: 1.5rem 0 2rem; color: var(--muted); font-size: .85rem; }

.hero { display: grid; gap: 1rem; margin-bottom: 1.25rem; }
.hero h1 { margin: 0; font-size: 1.7rem; }
.hero p { margin: 0; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.card h2, .card h3 { margin: 0 0 .6rem; font-size: 1rem; color: var(--muted); font-weight: 600; }
.metric { font-size: 1.55rem; font-weight: 700; }
.metric.ok { color: var(--ok); }
.metric.warn { color: var(--warn); }
.metric.danger { color: var(--danger); }
.sub { color: var(--muted); font-size: .9rem; margin-top: .35rem; word-break: break-word; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; margin-top: 1rem; }
.panel h2 { margin: 0 0 1rem; font-size: 1.15rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; border: 0; border-radius: 10px; padding: .7rem 1rem; font-weight: 600; cursor: pointer; background: var(--accent-2); color: #fff; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.secondary { background: #314155; }
.btn.danger { background: var(--danger); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }

.form { display: grid; gap: .9rem; max-width: 420px; }
.form label { display: grid; gap: .35rem; color: var(--muted); font-size: .9rem; }
.form input, .form select { background: #0d1218; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: .7rem .8rem; font-size: 1rem; }
.alert { padding: .85rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.alert.error { background: rgba(248,81,73,.15); border: 1px solid rgba(248,81,73,.35); color: #ffb4af; }
.alert.ok { background: rgba(63,185,80,.12); border: 1px solid rgba(63,185,80,.3); color: #9be9a8; }
.alert.warn { background: rgba(210,153,34,.12); border: 1px solid rgba(210,153,34,.3); color: #e6c275; }

.login-page { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: min(420px, calc(100% - 2rem)); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .7rem .55rem; border-bottom: 1px solid var(--line); font-size: .95rem; }
th { color: var(--muted); font-weight: 600; }
.badge { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; background: #314155; }
.badge.ok { background: rgba(63,185,80,.2); color: #7ee787; }
.badge.no { background: rgba(248,81,73,.15); color: #ffa198; }

.logs { background: #0b0f14; border: 1px solid var(--line); border-radius: 12px; padding: 1rem; overflow: auto; max-height: 70vh; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem; white-space: pre-wrap; color: #c9d4e0; }

.actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.muted { color: var(--muted); }

@media (max-width: 700px) {
  .top .wrap { flex-direction: column; align-items: flex-start; }
}

th.sort {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
th.sort::after {
  content: " ↕";
  color: var(--muted);
  font-size: .8em;
  opacity: .55;
}
th.sort.sorted-asc::after {
  content: " ↑";
  color: var(--accent);
  opacity: 1;
}
th.sort.sorted-desc::after {
  content: " ↓";
  color: var(--accent);
  opacity: 1;
}
th.sort:hover {
  color: var(--text);
}