:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1f2940;
  --border: #2a3554;
  --text: #e6ecff;
  --muted: #8a95b3;
  --accent: #4c8dff;
  --accent-hover: #6ba1ff;
  --online: #2ecc71;
  --offline: #6b7590;
  --pilot: #4c8dff;
  --controller: #f39c12;
  --atis: #9b59b6;
  --danger: #e74c3c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
}

#map {
  height: 480px;
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0a0e18;
}
.panel-map { padding-bottom: 12px; }

.plane-icon { background: transparent; border: none; }
.plane-icon svg { display: block; width: 28px; height: 28px; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.6)); }

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}
.leaflet-popup-content { margin: 10px 12px; font-size: 12px; line-height: 1.5; }
.leaflet-popup-content .popup strong { color: var(--text); }
.leaflet-container a.leaflet-popup-close-button { color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.add-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

input[type="text"], textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  font: inherit;
  min-width: 160px;
}

input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}
button.secondary:hover { background: var(--border); }
button.danger { background: transparent; color: var(--danger); padding: 4px 8px; }
button.danger:hover { background: rgba(231, 76, 60, 0.1); }

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.pill-idle    { background: var(--panel-2); color: var(--muted); }
.pill-loading { background: rgba(76, 141, 255, 0.15); color: var(--accent); }
.pill-ok      { background: rgba(46, 204, 113, 0.15); color: var(--online); }
.pill-err     { background: rgba(231, 76, 60, 0.15); color: var(--danger); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}
th {
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  background: var(--panel-2);
  position: sticky;
  top: 0;
}
td.wrap { white-space: normal; }

tr.online td { background: rgba(46, 204, 113, 0.04); }
tr.offline td { color: var(--muted); }
tr.empty td {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot.online { background: var(--online); box-shadow: 0 0 6px rgba(46, 204, 113, 0.6); }
.dot.offline { background: var(--offline); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge.pilot      { background: rgba(76, 141, 255, 0.2); color: var(--pilot); }
.badge.controller { background: rgba(243, 156, 18, 0.2); color: var(--controller); }
.badge.atis       { background: rgba(155, 89, 182, 0.2); color: var(--atis); }
.badge.offline    { background: var(--panel-2); color: var(--muted); }

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0;
  max-width: 520px;
  width: 90%;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
.dialog-form { padding: 18px; }
.dialog-form h3 { margin: 0 0 8px; }
.dialog-form textarea {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  margin: 8px 0;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

@media (max-width: 600px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  main { padding: 12px; }
}