:root {
  --bg: #0f1420;
  --card: #171e2e;
  --card2: #1f2940;
  --border: #2a3550;
  --text: #e6ecf7;
  --muted: #8b96ad;
  --accent: #4f8cff;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1a2a4a 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 60px;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px; border-bottom: 1px solid var(--border);
  background: rgba(23,30,46,.6); backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 34px; }
.brand h1 { font-size: 22px; letter-spacing: .5px; }
.sub { color: var(--muted); font-size: 13px; }
.status-pill {
  padding: 8px 16px; border-radius: 999px; font-weight: 600; font-size: 13px;
  border: 1px solid var(--border);
}
.status-pill.ok { color: var(--green); background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.4); }
.status-pill.down { color: var(--red); background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.4); }

main { max-width: 1100px; margin: 28px auto; padding: 0 20px; display: grid; gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px;
}
.card h2 { font-size: 16px; margin-bottom: 16px; color: var(--text); }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.kv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.kv { background: var(--card2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.kv .k { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.kv .v { font-size: 14px; word-break: break-all; }
code { background: #0b111c; padding: 2px 6px; border-radius: 5px; font-size: 12px; color: #9ecbff; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input {
  background: var(--card2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none;
}
input:focus { border-color: var(--accent); }
.form-actions.full { grid-column: 1 / -1; display: flex; justify-content: flex-end; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 10px; border-bottom: 1px solid var(--border); }
td { padding: 12px 10px; border-bottom: 1px solid rgba(42,53,80,.5); vertical-align: top; }
tr:hover td { background: rgba(31,41,64,.4); }
.empty { text-align: center; color: var(--muted); padding: 30px !important; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(34,197,94,.15); color: var(--green); }
.badge.idle { background: rgba(245,158,11,.15); color: var(--amber); }
.badge.off { background: rgba(139,150,173,.15); color: var(--muted); }

.btn {
  border: 1px solid var(--border); background: var(--card2); color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 500;
  transition: .15s; text-decoration: none; display: inline-block;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger { color: var(--red); border-color: rgba(239,68,68,.4); }
.btn.danger:hover { background: rgba(239,68,68,.12); }
.btn.ghost { background: transparent; }
.btn.tiny { padding: 4px 9px; font-size: 12px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-backdrop[hidden] { display: none !important; }
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  width: min(560px, 92vw); max-height: 90vh; overflow: auto; padding: 26px; position: relative;
}
.modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; }
.modal-body { display: grid; gap: 16px; }
.modal .kv-grid { margin-top: 4px; }
.qr { text-align: center; background: #fff; border-radius: 12px; padding: 14px; }
.qr img { width: 220px; height: 220px; image-rendering: pixelated; }
.qr p { color: #333; font-size: 12px; margin-top: 8px; }
.config {
  background: #0b111c; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; font-size: 11px; line-height: 1.6; white-space: pre-wrap; color: #9ecbff;
  max-height: 240px; overflow: auto;
}
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; }
h3 { font-size: 14px; margin: 4px 0; color: var(--muted); }

/* Service control */
.service-actions { display: flex; gap: 8px; }
.service-status { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.svc-detail { color: var(--muted); font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }