:root {
  --bg: #0f1216;
  --panel: #171c22;
  --panel-2: #1f262e;
  --line: #2a323c;
  --text: #e7ecf1;
  --muted: #93a1b0;
  --accent: #3b82f6;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.topbar nav { display: flex; gap: 16px; margin-left: auto; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }

.wrap { max-width: 960px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 20px;
}
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }

h1, h2 { margin: 0 0 12px; }
h2 { font-size: 18px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.status-head { display: flex; align-items: center; justify-content: space-between; }
.status-card .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 14px 0; }
.stats div { display: flex; flex-direction: column; }
.stats dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stats dd { margin: 2px 0 0; font-weight: 600; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.badge.on { background: rgba(22,163,74,.15); color: #58d68d; }
.badge.off { background: rgba(220,38,38,.15); color: #f87171; }

.pill { padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--panel-2); }
.pill.ok { background: rgba(22,163,74,.18); color: #58d68d; }
.pill.expired, .pill.error { background: rgba(220,38,38,.18); color: #f87171; }
.pill.unknown { color: var(--muted); }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 8px; }

.btn {
  display: inline-block; padding: 8px 14px; border-radius: 8px; cursor: pointer;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  font-size: 14px; font-weight: 600;
}
.btn:hover { border-color: #3a4552; text-decoration: none; filter: brightness(1.1); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: rgba(220,38,38,.15); border-color: rgba(220,38,38,.4); color: #f87171; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
form { display: inline; }

.log {
  background: #0b0e12; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; height: 260px; overflow: auto; font-size: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  white-space: pre-wrap; color: #b9c6d3;
}

.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.tbl td.models { color: var(--muted); font-size: 13px; max-width: 320px; }
.tbl td.actions { white-space: nowrap; display: flex; gap: 6px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text); font: inherit;
}
textarea { resize: vertical; }
.field.checkbox label { font-weight: 400; display: flex; gap: 8px; align-items: center; }

.filter { margin-bottom: 8px; }
.model-tools { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.model-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 4px;
  max-height: 320px; overflow: auto; padding: 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--panel-2);
}
.chk { display: flex; gap: 7px; align-items: center; padding: 4px 6px; border-radius: 6px; font-size: 13px; }
.chk:hover { background: rgba(255,255,255,.04); }
.chk input { width: auto; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.flash.ok { background: rgba(22,163,74,.15); border: 1px solid rgba(22,163,74,.4); color: #86efac; }
.flash.error { background: rgba(220,38,38,.15); border: 1px solid rgba(220,38,38,.4); color: #fca5a5; }

.login-card { max-width: 360px; margin: 60px auto; text-align: center; }
.login-card form { display: block; margin-top: 16px; }
.login-card input { margin-bottom: 12px; }
.login-card .btn { width: 100%; }

hr { border: none; border-top: 1px solid var(--line); margin: 18px 0; }
.help { margin-top: 16px; color: var(--muted); }
.help summary { cursor: pointer; font-weight: 600; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 13px; }