:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-soft: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, #020617, #0f172a);
}

.app-shell {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 12px;
  padding: 12px;
  min-height: 100vh;
}

.card {
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 12px;
}

.top-bar,
.controls {
  grid-column: 1;
}

.map-card {
  grid-column: 2;
  grid-row: 1 / span 3;
  padding: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}

h1 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.subtitle {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

#fileInput {
  display: none;
}

.btn,
button {
  border: 1px solid #475569;
  background: #0f172a;
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.drop-zone {
  border: 1px dashed #64748b;
  border-radius: 8px;
  padding: 8px;
  color: var(--muted);
  flex: 1;
}

.drop-zone.drag {
  border-color: var(--accent);
  color: var(--accent);
}

.status {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: pre-line;
}

.controls {
  display: grid;
  gap: 10px;
}

.control-group {
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 8px;
  display: grid;
  gap: 8px;
}

.playback {
  grid-template-columns: repeat(3, auto) 1fr;
  align-items: center;
}

.map-controls {
  margin-bottom: 2px;
}

.timeline-wrap input[type='range'] {
  width: 100%;
}

.time-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

.filters {
  grid-template-columns: 1fr 1fr;
}

.thresholds {
  grid-template-columns: 1fr;
}

.thresholds input[type='number'] {
  width: 100%;
}

.legend {
  font-size: 0.9rem;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.chip {
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.8rem;
}

.chip.low {
  background: rgba(100, 116, 139, 0.3);
  border: 1px solid #94a3b8;
}

.chip.med {
  background: rgba(139, 92, 246, 0.26);
  border: 1px solid #a78bfa;
}

.chip.high {
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid #818cf8;
}

#map {
  width: 100%;
  flex: 1 1 auto;
  min-height: 320px;
  height: auto;
  border-radius: 8px;
}

.type-legend {
  justify-content: flex-start;
}

.viewport-summary {
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 8px;
  background: rgba(15, 23, 42, 0.45);
}

.viewport-summary h2,
.viewport-table-wrap h2 {
  margin: 0 0 6px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #cbd5e1;
}

.viewport-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 4px 8px;
  font-size: 0.78rem;
}

.viewport-summary-grid p {
  margin: 0;
  color: #cbd5e1;
}

.viewport-table-wrap {
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 8px;
  background: rgba(15, 23, 42, 0.45);
  flex: 0 1 300px;
  min-height: 120px;
  max-height: 300px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.table-scroll {
  overflow: auto;
  min-height: 0;
  flex: 1 1 auto;
  border: 1px solid #273548;
  border-radius: 6px;
}

#viewportTable {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.74rem;
  line-height: 1.25;
}

#viewportTable thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #172336;
  color: #e2e8f0;
  border-bottom: 1px solid #334155;
  padding: 5px 6px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

#viewportTable tbody td {
  padding: 4px 6px;
  border-bottom: 1px solid rgba(71, 85, 105, 0.4);
  color: #dbe4ef;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#viewportTable tbody tr:nth-child(even) td {
  background: rgba(30, 41, 59, 0.36);
}

#viewportTable tbody tr:hover td {
  background: rgba(34, 211, 238, 0.1);
}

#viewportTable tbody tr[data-device-mac] {
  cursor: pointer;
}

#viewportTable tbody tr.is-selected td {
  background: rgba(56, 189, 248, 0.2);
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .top-bar,
  .controls,
  .map-card {
    grid-column: 1;
    grid-row: auto;
  }

  .playback {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .playback label {
    grid-column: 1 / -1;
  }

  .viewport-table-wrap {
    max-height: none;
  }
}

@media (max-width: 700px) {
  #viewportTable {
    table-layout: auto;
  }

  #viewportTable thead {
    display: block;
    border-bottom: 1px solid rgba(71, 85, 105, 0.45);
    padding: 8px;
    background: rgba(15, 23, 42, 0.82);
  }

  #viewportTable thead tr {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  #viewportTable thead th {
    position: static;
    border: 1px solid rgba(71, 85, 105, 0.7);
    border-radius: 999px;
    padding: 4px 8px;
    font-size: 0.68rem;
    line-height: 1.2;
    background: rgba(23, 35, 54, 0.95);
  }

  #viewportTable tbody {
    display: grid;
    gap: 8px;
    padding: 8px;
  }

  #viewportTable tbody tr {
    display: grid;
    gap: 3px;
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: 8px;
    padding: 6px;
    background: rgba(15, 23, 42, 0.7);
  }

  #viewportTable tbody td {
    display: grid;
    grid-template-columns: minmax(96px, 0.8fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 8px;
    border-bottom: none;
    padding: 2px 0;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  #viewportTable tbody td::before {
    content: attr(data-label);
    color: #94a3b8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-size: 0.67rem;
  }

  #viewportTable tbody tr td:first-child {
    font-weight: 600;
    color: #f1f5f9;
  }

  #viewportTable tbody tr td:first-child::before {
    color: #cbd5e1;
  }

  #viewportTable tbody tr td[colspan] {
    display: block;
  }

  #viewportTable tbody tr td[colspan]::before {
    content: none;
  }
}

#viewportTable tbody td:nth-child(2) {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  font-size: 0.7rem;
}

#viewportTable thead th[aria-sort='ascending']::after {
  content: ' ▲';
  color: #22d3ee;
}

#viewportTable thead th[aria-sort='descending']::after {
  content: ' ▼';
  color: #22d3ee;
}

#viewportTable thead th[aria-sort='none']::after {
  content: ' ↕';
  color: #64748b;
}

.shape-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.shape {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid #cbd5e1;
  background: rgba(100, 116, 139, 0.35);
}

.shape.wifi {
  border-radius: 50%;
}

.shape.bluetooth {
  transform: rotate(45deg);
}

.shape.cellular {
  border-radius: 2px;
}

.popup-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 8px;
  font-size: 0.85rem;
}

.popup-grid dt {
  color: #cbd5e1;
  margin: 0;
}

.popup-grid dd {
  margin: 0;
  color: #f8fafc;
}

.signal-details {
  margin-top: 8px;
  border-top: 1px solid rgba(71, 85, 105, 0.45);
  padding-top: 6px;
}

.signal-details summary {
  cursor: pointer;
  color: #cbd5e1;
  font-size: 0.78rem;
}

.signal-details ol {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  max-height: 150px;
  overflow: auto;
}

.signal-details li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(71, 85, 105, 0.3);
  padding: 2px 0;
  font-size: 0.75rem;
}

.signal-details li:last-child {
  border-bottom: none;
}

.signal-details strong {
  color: #f8fafc;
  font-weight: 600;
}

.hotspot-wrapper {
  background: transparent;
  border: 0;
}

.hotspot-marker {
  display: inline-block;
  box-sizing: border-box;
  border-width: 2px;
  border-style: solid;
}

.hotspot-marker--wifi {
  border-radius: 50%;
}

.hotspot-marker--bluetooth {
  transform: rotate(45deg);
  border-radius: 2px;
}

.hotspot-marker--cellular {
  border-radius: 2px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .map-card {
    grid-column: 1;
    grid-row: auto;
  }

  #map {
    min-height: 42vh;
  }

  .viewport-table-wrap {
    max-height: 34vh;
  }
}


.leaflet-tooltip.device-tooltip,
.leaflet-popup.device-tooltip .leaflet-popup-content-wrapper {
  background: rgba(2, 6, 23, 0.94);
  border: 1px solid #334155;
  color: #f8fafc;
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.45);
}

.leaflet-tooltip.device-tooltip::before,
.leaflet-popup.device-tooltip .leaflet-popup-tip {
  border-top-color: #334155;
  background: rgba(2, 6, 23, 0.94);
}

.leaflet-popup.device-tooltip .leaflet-popup-content {
  margin: 12px 14px;
}

.leaflet-popup.device-tooltip .leaflet-popup-close-button {
  color: #cbd5e1;
}

.leaflet-popup.device-tooltip .leaflet-popup-close-button:hover {
  color: #f8fafc;
}