:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #262b36;
  --text: #e6e8ec;
  --muted: #8b93a3;
  --accent: #5b8cff;
  --ok: #3ecf8e;
  --danger: #ef5b5b;
  --warn: #e8a23a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.85em; color: var(--muted); }

.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar .iface { color: var(--muted); font-weight: normal; font-size: 14px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.inline-form { display: inline; }

.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-size: 13px; padding: 6px 10px; border-radius: 6px; }
.nav a:hover { color: var(--text); background: #232838; }

main { max-width: 1200px; margin: 24px auto; padding: 0 16px; display: flex; flex-direction: column; gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; }
.card h2 { margin: 0 0 14px 0; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.btn {
  background: #232838; color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 6px; cursor: pointer; font-size: 13px; text-decoration: none; display: inline-block;
}
.btn:hover { border-color: var(--accent); }
.btn-sm { padding: 5px 10px; }
.btn-xs { padding: 3px 8px; font-size: 12px; }
.btn-warn { border-color: var(--warn); color: var(--warn); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }

.badge { padding: 4px 10px; border-radius: 20px; font-size: 12px; }
.badge-ok { color: var(--ok); background: rgba(62,207,142,.12); }
.badge-down { color: var(--danger); background: rgba(239,91,91,.12); }

.add-form { display: flex; gap: 10px; }
.add-form input[type=text] {
  flex: 1; background: #10131a; border: 1px solid var(--border); border-radius: 6px;
  padding: 9px 12px; color: var(--text); font-size: 14px;
}

table.peers { width: 100%; border-collapse: collapse; font-size: 14px; }
table.peers th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.peers td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.peers .empty { text-align: center; color: var(--muted); padding: 24px; }
.actions { display: flex; gap: 6px; white-space: nowrap; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; }
.dot-ok { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot-off { background: #3a3f4c; }

.raw-config { background: #0b0d12; padding: 16px; border-radius: 8px; overflow-x: auto; font-size: 13px; line-height: 1.5; }
.raw-config-edit {
  width: 100%; min-height: 420px; background: #0b0d12; color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; line-height: 1.5; resize: vertical;
}
.hint { color: var(--muted); font-size: 13px; }

.grid-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 16px; align-items: end; }
.grid-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.grid-form input, .grid-form select {
  background: #10131a; border: 1px solid var(--border); border-radius: 6px;
  padding: 9px 12px; color: var(--text); font-size: 14px;
}
.grid-form .mono-input { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.grid-form .span-2 { grid-column: span 2; }
.grid-form button { grid-column: span 2; justify-self: start; }
@media (max-width: 640px) {
  .grid-form { grid-template-columns: 1fr; }
  .grid-form .span-2, .grid-form button { grid-column: span 1; }
}

.table-scroll { overflow-x: auto; }
table.peers.compact td, table.peers.compact th { padding: 6px 10px; font-size: 13px; }

.tag {
  display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 10px;
  font-size: 11px; background: #232838; color: var(--muted);
}
.tag-off { background: rgba(239,91,91,.12); color: var(--danger); }
.row-disabled { opacity: 0.5; }
.text-danger { color: var(--danger); }
.text-ok { color: var(--ok); }
.alert-ok { background: rgba(62,207,142,.12); color: var(--ok); }

.chart-legend { display: flex; gap: 16px; margin-top: 8px; font-size: 12px; color: var(--muted); }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; }
.sw-rx { background: var(--accent); }
.sw-tx { background: var(--ok); }

.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 320px; display: flex; flex-direction: column; gap: 14px; }
.login-card h1 { margin: 0; font-size: 20px; }
.login-card .subtitle { margin: -10px 0 6px; color: var(--muted); font-size: 13px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input { background: #10131a; border: 1px solid var(--border); border-radius: 6px; padding: 9px 12px; color: var(--text); font-size: 14px; }
.login-card button { margin-top: 6px; background: var(--accent); border: none; color: white; padding: 10px; border-radius: 6px; font-size: 14px; cursor: pointer; }
.alert { background: rgba(239,91,91,.12); color: var(--danger); padding: 8px 12px; border-radius: 6px; font-size: 13px; }