:root {
  --bg: #f3f7f4;
  --panel: #ffffff;
  --text: #0b2f1e;
  --accent: #ffcc00;
  --rail: #006635;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #dff2e6 0%, #f3f7f4 45%, #e8f1ec 100%);
}

#map {
  height: 100%;
  width: 100%;
}

.panel {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1000;
  background: color-mix(in oklab, var(--panel), #ffffff 16%);
  border: 2px solid var(--rail);
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
  padding: 12px;
  width: min(410px, calc(100vw - 24px));
}

.panel h1 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.small {
  margin-top: 8px;
  opacity: 0.8;
  font-size: 0.8rem;
}
.mode-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.btn {
  border: 1px solid #1f6d48;
  background: #f4faf6;
  color: #0b2f1e;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.86rem;
  cursor: pointer;
}
.btn-primary {
  background: #096bdb;
  border-color: #096bdb;
  color: #ffffff;
}
.history-panel {
  margin-bottom: 8px;
  padding: 8px;
  border: 1px solid #8eb79f;
  border-radius: 8px;
  background: #f7fbf8;
}
.history-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 8px;
}
.history-grid select {
  width: 100%;
  padding: 4px;
  border: 1px solid #8eb79f;
  border-radius: 4px;
  background: #fff;
}
.history-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}
.hidden {
  display: none;
}

.train-label {
  background: #ffffff;
  border: 1px solid var(--rail);
  border-radius: 6px;
  padding: 1px 4px;
  font-size: 11px;
  font-weight: 600;
}
.train-dot-wrapper {
  background: transparent;
  border: 0;
}
.train-dot {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 2px solid #006635;
  background: #ffcc00;
}
@media (max-width: 700px) {
  .history-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}