* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #162033;
  background: #f5f7fb;
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(300px, 26vw, 380px) clamp(310px, 26vw, 400px);
  overflow: hidden;
}

.map-pane {
  position: relative;
  min-width: 0;
  height: 100vh;
  background: #e8eef7;
}

#map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.map-status {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 500;
  max-width: min(640px, calc(100% - 32px));
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .14);
  font-size: 14px;
}

.route-pane,
.detail-pane {
  min-width: 0;
  height: 100vh;
  display: grid;
  background: #fff;
  border-left: 1px solid #d8dfec;
}

.route-pane {
  grid-template-rows: auto minmax(0, 1fr);
}

.detail-pane {
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.sidebar-header,
.panel-heading {
  padding: 18px 18px 12px;
  border-bottom: 1px solid #e7ebf2;
}

.sidebar-header h1,
.panel-heading h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.sidebar-header h1 {
  margin-bottom: 4px;
}

.sidebar-header h2 {
  margin: 0 0 8px;
  color: #445064;
  font-size: 15px;
  line-height: 1.25;
}

.sidebar-header p {
  margin: 0 0 12px;
  color: #5a6475;
  font-size: 13px;
  line-height: 1.45;
}

.field-label {
  display: block;
  margin: 0 0 5px;
  color: #445064;
  font-size: 12px;
  font-weight: 700;
}

.dataset-select,
#routeSearch {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid #cfd7e6;
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  outline: none;
}

.dataset-select {
  margin-bottom: 10px;
}

.dataset-select:focus,
#routeSearch:focus {
  border-color: #3887ff;
  box-shadow: 0 0 0 3px rgba(56, 135, 255, .15);
}

.counts {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.counts span {
  padding: 4px 9px;
  border: 1px solid #dfe5ef;
  border-radius: 999px;
  background: #f7f9fc;
  color: #445064;
  font-size: 12px;
}

.route-list {
  min-height: 0;
  overflow: auto;
  padding: 10px;
  background: #fbfcff;
}

.route-card {
  width: 100%;
  min-height: 54px;
  margin-bottom: 8px;
  padding: 9px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #e2e7f0;
  border-radius: 8px;
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.route-card:hover {
  border-color: #aebbd0;
  background: #f8fbff;
}

.route-card.active {
  border-color: #2b7cff;
  box-shadow: 0 0 0 3px rgba(43, 124, 255, .12);
}

.badge {
  min-width: 76px;
  min-height: 30px;
  padding: 5px 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
}

.route-card .info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.route-card .name {
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-card .sub {
  color: #687487;
  font-size: 12px;
}

.detail {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(112px, 36%) minmax(0, 1fr);
  overflow: hidden;
  padding: 14px 16px 20px;
}

.empty {
  padding: 18px;
  border: 1px dashed #cfd7e6;
  border-radius: 8px;
  background: #fbfcff;
  color: #69758a;
  line-height: 1.6;
}

.detail-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.detail-title h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.pattern-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.pattern-scroll,
.stop-scroll {
  min-height: 0;
  overflow: auto;
}

.pattern-scroll {
  margin: 2px 0 12px;
  padding-right: 4px;
  border-bottom: 1px solid #e8edf5;
}

.stop-scroll {
  padding-right: 4px;
}

.pattern-tab {
  padding: 10px;
  border: 1px solid #dce3ee;
  border-radius: 8px;
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.pattern-tab:hover {
  background: #f8fbff;
}

.pattern-tab.active {
  border-color: transparent;
}

.pattern-tab strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.pattern-tab span {
  display: block;
  font-size: 12px;
  line-height: 1.35;
  opacity: .82;
}

.stop-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid #e8edf5;
  list-style: none;
}

.stop-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 8px;
  align-items: center;
  padding: 9px 2px;
  border-bottom: 1px solid #edf1f7;
  cursor: pointer;
}

.stop-list li:hover {
  background: #f8fbff;
}

.seq {
  color: #6a7587;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.stop-name {
  font-weight: 600;
}

.data-notice {
  margin: 0;
  padding: 10px 14px 12px;
  border-top: 1px solid #e7ebf2;
  background: #fbfcff;
  color: #7a8494;
  font-size: 10px;
  line-height: 1.5;
  white-space: pre-line;
}

.leaflet-container {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.leaflet-control-attribution {
  font-size: 10px;
}

.leaflet-tile {
  filter: saturate(.55) brightness(1.08) contrast(.88);
  opacity: .78;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr) 300px 330px;
  }

  .sidebar-header,
  .panel-heading {
    padding: 14px 14px 10px;
  }

  .sidebar-header p {
    display: none;
  }
}

@media (max-width: 900px) {
  html,
  body {
    overflow: hidden;
  }

  .app-shell {
    height: 100svh;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(240px, 42svh) minmax(150px, 25svh) minmax(0, 1fr);
  }

  .map-pane,
  .route-pane,
  .detail-pane {
    height: auto;
    min-height: 0;
  }

  .route-pane,
  .detail-pane {
    border-left: none;
    border-top: 1px solid #d8dfec;
  }

  .sidebar-header,
  .panel-heading {
    padding: 10px 12px 9px;
  }

  .sidebar-header h1,
  .panel-heading h2 {
    font-size: 18px;
  }

  .dataset-select,
  #routeSearch {
    padding: 10px 11px;
    border-radius: 10px;
    font-size: 16px;
  }

  .counts {
    margin-top: 8px;
  }

  .route-list {
    padding: 8px;
  }

  .route-card {
    min-height: 48px;
    margin-bottom: 6px;
    padding: 8px;
    gap: 8px;
  }

  .badge {
    min-width: 58px;
    min-height: 28px;
    border-radius: 7px;
    font-size: 12px;
  }

  .detail {
    grid-template-rows: auto minmax(84px, 34%) minmax(0, 1fr);
    padding: 10px 12px 12px;
  }

  .detail-title h2 {
    font-size: 17px;
  }

  .pattern-tabs {
    gap: 6px;
  }

  .pattern-scroll {
    margin-bottom: 8px;
  }

  .pattern-tab {
    padding: 8px;
  }

  .stop-list li {
    grid-template-columns: 34px 1fr;
    padding: 8px 0;
  }

  .map-status {
    left: 10px;
    top: 10px;
    max-width: calc(100% - 20px);
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 12px;
  }

  .data-notice {
    padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
    font-size: 8.5px;
    line-height: 1.45;
  }
}