:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Noto Sans TC", Arial, sans-serif;
  background: #0b1117;
  color: #e9f1fa;
}

html,
body,
#map {
  width: 100%;
  height: 100%;
  margin: 0;
}

.leaflet-container {
  background: #0e151d;
  font: inherit;
}

.panel,
.title-card,
.legend,
.timeline {
  position: fixed;
  z-index: 800;
  background: rgba(8, 13, 19, 0.78);
  border: 1px solid rgba(190, 210, 230, 0.18);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.title-card {
  top: 18px;
  left: 56px;
  padding: 14px 18px;
}

.title-card h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.title-card p {
  margin: 4px 0 0;
  color: #aabccc;
  font-size: 13px;
}

.layers {
  top: 18px;
  right: 18px;
  width: 178px;
  padding: 12px;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

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

.stats {
  top: 192px;
  right: 18px;
  width: 248px;
  padding: 14px;
}

.stats dl {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 14px;
  font-size: 13px;
}

.stats dt {
  color: #9db1c4;
}

.stats dd {
  margin: 0;
}

.query-box {
  margin-top: 14px;
  padding: 10px;
  min-height: 92px;
  color: #d4e4f2;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  line-height: 1.55;
}

.timeline {
  left: 18px;
  right: 18px;
  bottom: 18px;
  min-height: 62px;
  display: grid;
  grid-template-columns: 96px 104px 86px minmax(260px, 1fr) 110px 130px;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
}

button {
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #1d2a36;
  color: #f2f6fa;
  font: inherit;
  cursor: pointer;
}

button:hover {
  background: #273847;
}

input[type="range"] {
  width: 100%;
}

#frameLabel {
  text-align: right;
  color: #afbfce;
  font-size: 13px;
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #afbfce;
  font-size: 13px;
}

.speed-control select {
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #1d2a36;
  color: #f2f6fa;
  padding: 0 8px;
}

.legend {
  left: 18px;
  bottom: 96px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 12px;
  color: #cfdae5;
}

.depth-bar {
  width: 170px;
  height: 12px;
  background: linear-gradient(90deg, #fff3a4, #f5a742, #d9351c, #5e0b10);
}

.disclaimer {
  position: fixed;
  right: 18px;
  bottom: 96px;
  z-index: 800;
  color: rgba(238, 244, 250, 0.76);
  font-size: 12px;
  text-shadow: 0 1px 2px #000;
}

.point-label {
  color: #fff;
  text-shadow: 0 1px 3px #000;
  font-weight: 600;
  white-space: nowrap;
}