:root {
  --bg: #0b0c10;
  --panel: #11131a;
  --text: #e8eaf0;
  --muted: #a6adbb;
  --border: rgba(255,255,255,0.12);
  --accent: #ff5500;
  --good: #00e055;
  --warn: #ffcc00;
  --bad: #ff2e2e;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

.app {
  display: grid;
  grid-template-columns: 460px 1fr;
  height: 100vh;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 16px;
  overflow: auto;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
}

.pill {
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
}

input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  outline: none;
}

button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
}

button.primary {
  border-color: rgba(255,85,0,0.65);
  background: rgba(255,85,0,0.12);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.linkBtn {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
  font-size: 12px;
}

.linkBtn:hover {
  color: var(--text);
}

.helpBtn {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-weight: 700;
  line-height: 28px;
}

.helpBtn:hover {
  border-color: rgba(255,255,255,0.28);
  color: var(--text);
}

.helpText {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.muted { color: var(--muted); }

.results {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.result {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
}

.result:hover {
  border-color: rgba(255,85,0,0.5);
}

.alert {
  border: 1px solid rgba(255,204,0,0.5);
  background: rgba(255,204,0,0.10);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.alert.good {
  border-color: rgba(0,224,85,0.55);
  background: rgba(0,224,85,0.10);
}

.alert.bad {
  border-color: rgba(255,46,46,0.55);
  background: rgba(255,46,46,0.10);
}

.map {
  height: 100vh;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: #ffffff;
  color: #0b0c10;
  border: 1px solid rgba(0, 0, 0, 0.18);
}

.leaflet-popup-content {
  margin: 10px 12px;
}

.leaflet-popup-content b {
  color: #0b0c10;
}

.leaflet-popup-close-button {
  color: rgba(0, 0, 0, 0.65) !important;
}

.leaflet-popup-content .actions {
  justify-content: center;
}

.leaflet-popup-content button {
  background: #ffffff;
  color: #0b0c10;
  border: 1px solid rgba(0, 0, 0, 0.20);
}

.leaflet-popup-content button:hover {
  background: rgba(0, 0, 0, 0.04);
}

@media (max-width: 900px) {
  .map {
    height: 50vh;
  }
}

.stationList {
  display: grid;
  gap: 8px;
}

.station {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: rgba(255,255,255,0.03);
}

.station.selected {
  border-color: rgba(168,85,247,0.65);
  box-shadow: 0 0 0 1px rgba(168,85,247,0.25), 0 0 18px rgba(168,85,247,0.18);
}

.stationTop {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.badge.good {
  color: var(--good);
  border-color: rgba(0,224,85,0.55);
}

.badge.bad {
  color: var(--bad);
  border-color: rgba(255,46,46,0.55);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

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