:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --border: #2a2f3a;
  --text: #e6e8ee; --muted: #8b93a3; --primary: #4f7cff; --primary-h: #3f6bf0;
  --danger: #ef4d5a; --ok: #2ecc71; --warn: #f4b740;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 16px; }
.brand span { margin-left: 4px; }
.user-area { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 10px; }

.wrap { max-width: 980px; margin: 28px auto; padding: 0 20px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 16px; }

.row { display: flex; align-items: center; }
.row.between { justify-content: space-between; }
.row.gap { gap: 12px; }
.grow { flex: 1; } .w120 { width: 120px; } .mt { margin-top: 18px; }

.btn {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; text-decoration: none;
  display: inline-block; transition: background .15s, border-color .15s;
}
.btn:hover { border-color: #3a4150; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-h); }
.btn.link { background: none; border: none; color: var(--primary); padding: 4px 6px; }
.btn.danger-link { background: none; border: none; color: var(--danger); padding: 4px 6px; cursor: pointer; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.center { text-align: center; max-width: 420px; margin: 80px auto; }
.center .btn { margin-top: 16px; }

.grid { width: 100%; border-collapse: collapse; margin-top: 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.grid th { color: var(--muted); font-weight: 500; background: var(--panel2); }
.grid tr:last-child td { border-bottom: none; }
.grid td.actions { text-align: right; white-space: nowrap; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 20px; border: 1px solid var(--border); }
.tag.ext { color: var(--primary); border-color: #2f3b63; }
.tag.int { color: var(--warn); border-color: #4a3f22; }
a.host { color: var(--text); text-decoration: none; border-bottom: 1px dotted var(--muted); }
a.host:hover { color: var(--primary); }

.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }
.w160 { width: 160px; }

/* grid de zonas */
.zones-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 20px; }
.zone-card {
  text-align: left; background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px; cursor: pointer; color: var(--text); transition: border-color .15s, transform .1s;
}
.zone-card:hover { border-color: var(--primary); transform: translateY(-1px); }
.zone-name { font-size: 15px; font-weight: 600; }
.zone-sub { font-size: 12px; margin-top: 4px; }

.tag.proxy { color: var(--warn); border-color: #4a3f22; }
.tag.dnsonly { color: var(--muted); }
.tag.ok-tag { color: var(--ok); border-color: #26512f; }

.alert { padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 13px; }
.alert.error { background: #2a1417; color: #ffb3ba; border: 1px solid #5b2530; }
.alert.ok { background: #12241a; color: #a9f0c6; border: 1px solid #26512f; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 26px; width: 560px; max-width: 94vw; max-height: 92vh; overflow: auto; }
form label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
form label.check { color: var(--text); display: flex; align-items: center; gap: 8px; }
form input, form select {
  width: 100%; margin-top: 5px; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; font-size: 14px;
}
form label.check input { width: auto; margin: 0; }
.fqdn-row { display: flex; align-items: center; gap: 8px; }
.fqdn-row input { flex: 1; }
.suffix { white-space: nowrap; font-size: 13px; }