html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f7f7;
  color: #222;
}

#app {
  display: grid;
  grid-template-rows: auto 1fr;
}

#app.topbar-collapsed {
  grid-template-rows: 1fr;
}

#topbar {
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(8px + env(safe-area-inset-top)) 12px 8px 12px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
}

.topbar-main {
  min-width: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.topbar-toggle-button,
.topbar-open-button {
  min-width: 62px;
  padding: 8px 12px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: #222;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.topbar-toggle-button {
  flex: 0 0 auto;
}

.topbar-open-button {
  position: fixed;
  top: calc(8px + env(safe-area-inset-top));
  left: 10px;
  z-index: 12;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}

#app.topbar-collapsed #topbar {
  display: none;
}

#title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#status {
  margin-top: 2px;
  font-size: 12px;
  color: #555;
  line-height: 1.35;
}

#reload-button {
  min-width: 64px;
  padding: 8px 12px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

#reload-button:active,
.topbar-toggle-button:active,
.topbar-open-button:active,
.record-marker:active,
.popup-nav-fixed button:active {
  transform: translateY(1px);
}

#reload-button:disabled {
  opacity: 0.55;
  cursor: wait;
}

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

#legend {
  position: fixed;
  left: 10px;
  bottom: calc(10px + env(safe-area-inset-bottom));
  /* マーカーは z-index 100 以上で前面順を制御するため、凡例はそれより手前、モーダルはさらに手前に出す。 */
  z-index: 500;
  max-width: min(360px, calc(100vw - 20px));
  max-height: 45vh;
  overflow: auto;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
  font-size: 12px;
}

#legend details summary {
  cursor: pointer;
  font-weight: 700;
}


.legend-block {
  margin-top: 8px;
}

.legend-title {
  margin-bottom: 4px;
  font-weight: 700;
  color: #444;
}

.legend-row,
.taxon-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 3px 0;
  line-height: 1.3;
}

.legend-row svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.8));
}

.legend-symbol,
.taxon-chip {
  display: inline-block;
  flex: 0 0 auto;
}

.legend-symbol.star {
  width: 16px;
  height: 16px;
  background: #777;
  clip-path: polygon(50% 0%, 62% 35%, 99% 35%, 69% 57%, 80% 92%, 50% 70%, 20% 92%, 31% 57%, 1% 35%, 38% 35%);
}

.legend-symbol.square {
  width: 13px;
  height: 13px;
  background: #777;
  border: 1px solid rgba(0, 0, 0, 0.45);
}

.legend-symbol.hollow {
  width: 13px;
  height: 13px;
  border: 2px solid #777;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}

.legend-symbol.filled {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #777;
}

.legend-symbol.x {
  position: relative;
  width: 15px;
  height: 15px;
}

.legend-symbol.x::before,
.legend-symbol.x::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 3px;
  height: 13px;
  border-radius: 999px;
  background: #777;
}

.legend-symbol.x::before {
  transform: rotate(45deg);
}

.legend-symbol.x::after {
  transform: rotate(-45deg);
}

.legend-symbol.triangle {
  width: 15px;
  height: 14px;
  background: #777;
  clip-path: polygon(50% 5%, 95% 95%, 5% 95%);
}

.legend-symbol.unknown {
  background: #999;
  opacity: 0.65;
}

.legend-empty {
  color: #666;
  font-size: 11px;
}

.taxon-chip {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.35);
}

.record-marker {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  transform: translate(-50%, -50%);
  cursor: pointer;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
  -webkit-clip-path: circle(40% at 50% 50%);
  clip-path: circle(40% at 50% 50%);
}

.record-marker.kind-star-filled,
.record-marker.kind-star-hollow {
  width: 32px;
  height: 32px;
  -webkit-clip-path: polygon(50% 6.7%, 61.7% 35%, 92.1% 37.1%, 68.8% 56.7%, 75.8% 86.7%, 50% 70.8%, 24.2% 86.7%, 31.3% 56.7%, 7.9% 37.1%, 38.3% 35%);
  clip-path: polygon(50% 6.7%, 61.7% 35%, 92.1% 37.1%, 68.8% 56.7%, 75.8% 86.7%, 50% 70.8%, 24.2% 86.7%, 31.3% 56.7%, 7.9% 37.1%, 38.3% 35%);
}

.record-marker.kind-square-filled,
.record-marker.kind-square-hollow {
  -webkit-clip-path: inset(17% 17% 17% 17% round 2px);
  clip-path: inset(17% 17% 17% 17% round 2px);
}

.record-marker.kind-diamond-filled,
.record-marker.kind-diamond-hollow {
  -webkit-clip-path: polygon(50% 10%, 90% 50%, 50% 90%, 10% 50%);
  clip-path: polygon(50% 10%, 90% 50%, 50% 90%, 10% 50%);
}

.record-marker.kind-x {
  -webkit-clip-path: polygon(18% 6%, 50% 38%, 82% 6%, 94% 18%, 62% 50%, 94% 82%, 82% 94%, 50% 62%, 18% 94%, 6% 82%, 38% 50%, 6% 18%);
  clip-path: polygon(18% 6%, 50% 38%, 82% 6%, 94% 18%, 62% 50%, 94% 82%, 82% 94%, 50% 62%, 18% 94%, 6% 82%, 38% 50%, 6% 18%);
}

.record-marker.kind-triangle-up-filled,
.record-marker.kind-triangle-up-hollow {
  -webkit-clip-path: polygon(50% 15%, 87% 82%, 13% 82%);
  clip-path: polygon(50% 15%, 87% 82%, 13% 82%);
}

.record-marker.kind-triangle-down-filled,
.record-marker.kind-triangle-down-hollow {
  -webkit-clip-path: polygon(13% 18%, 87% 18%, 50% 85%);
  clip-path: polygon(13% 18%, 87% 18%, 50% 85%);
}

.maplibregl-marker.record-marker {
  position: absolute;
}

#map.markers-hidden .maplibregl-marker.record-marker {
  display: none !important;
}


.record-marker svg {
  width: 100%;
  height: 100%;
  display: block;
}

.record-marker:focus {
  outline: 3px solid rgba(0, 95, 255, 0.45);
  outline-offset: 2px;
  border-radius: 4px;
}



.field-map-focus-control .field-map-focus-button {
  width: 29px;
  height: 29px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.field-map-focus-control .field-map-focus-button:disabled {
  color: #9aa4ad;
  cursor: default;
}

.field-map-focus-control .field-map-focus-button:disabled .field-map-focus-icon {
  opacity: 0.68;
}

.field-map-focus-control .field-map-focus-button:active:not(:disabled) {
  transform: translateY(1px);
}

.field-map-focus-icon {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.maplibregl-popup {
  z-index: 10000 !important;
  pointer-events: none;
}

.maplibregl-popup-content {
  pointer-events: auto;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.55);
  border-radius: 10px;
  box-shadow: 0 3px 16px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  word-wrap: break-word;
  word-break: break-word;
  white-space: normal;
}

.maplibregl-popup-close-button {
  z-index: 2;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  font-size: 18px;
  line-height: 28px;
}

.popup-wrapper {
  display: flex;
  flex-direction: column;
  min-width: 250px;
  max-width: min(360px, calc(100vw - 28px));
  background: #fff;
}

.popup-scroll-container {
  overflow-y: auto;
  flex: 1;
  padding: 10px 12px;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}

.popup-nav-fixed {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 10px;
  background: #fff;
  flex-shrink: 0;
  user-select: none;
}

.popup-nav-fixed button {
  padding: 5px 12px;
  border: 1px solid rgba(0, 0, 0, 0.24);
  border-radius: 999px;
  background: #f7f7f7;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.popup-counter {
  min-width: 42px;
  color: #444;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.popup-content {
  font-size: 13px;
  line-height: 1.45;
}

.popup-title {
  margin: 0 24px 8px 0;
  font-size: 15px;
  font-weight: 700;
  font-style: normal;
  line-height: 1.35;
}

.popup-row {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 7px;
  margin: 5px 0;
}

.popup-label {
  color: #555;
  font-weight: 700;
}

.popup-value {
  overflow-wrap: anywhere;
}

.popup-link-pill {
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
  padding: 1px 9px;
  border: 1px solid #7d8791;
  border-radius: 999px;
  background: #f7fafc;
  color: #0b4a6f;
  text-decoration: none;
  font-size: 0.92em;
  white-space: nowrap;
}

.popup-link-pill:hover {
  background: #eaf2f8;
}

.maplibregl-ctrl-bottom-right,
.maplibregl-ctrl-bottom-left {
  margin-bottom: calc(10px + env(safe-area-inset-bottom));
}

@media (max-width: 720px) {
  #topbar {
    align-items: flex-start;
    gap: 8px;
  }

  .topbar-actions {
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
  }

  #title {
    white-space: normal;
  }

  #legend {
    font-size: 11px;
    max-height: 36vh;
  }
  #reload-button {
    min-width: 58px;
    padding: 7px 10px;
    font-size: 13px;
  }

  .popup-wrapper {
    min-width: 238px;
  }

  .popup-row {
    grid-template-columns: 86px 1fr;
    gap: 6px;
  }
}

.record-marker.multi-taxon svg {
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.8));
}

.popup-title {
  display: flex;
  align-items: center;
  gap: 6px;
}

.popup-title-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.popup-title-marker svg {
  display: block;
  width: 16px;
  height: 16px;
  overflow: visible;
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.8));
}

.non-italic {
  font-style: normal;
}

.popup-title i,
.popup-value i,
.taxon-row i {
  font-style: italic;
}


.basemap-control {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: #333;
  white-space: nowrap;
}

#basemap-select {
  max-width: 112px;
  padding: 7px 8px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 520px) {
  #topbar {
    align-items: flex-start;
  }

  .topbar-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .basemap-control span {
    display: none;
  }
}

.dataset-control {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: #333;
  white-space: nowrap;
}

#dataset-select {
  max-width: min(220px, 34vw);
  padding: 7px 8px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button {
  padding: 7px 10px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

#dataset-add-button:active,
#dataset-edit-button:active,
#dataset-delete-button:active,
#dataset-share-button:active {
  transform: translateY(1px);
}

#dataset-add-button:disabled,
#dataset-edit-button:disabled,
#dataset-delete-button:disabled,
#dataset-share-button:disabled,
#dataset-select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 720px) {
  #dataset-select {
    max-width: 46vw;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button {
    padding: 6px 8px;
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .dataset-control span {
    display: none;
  }

  #dataset-select {
    max-width: 54vw;
  }
}


body.modal-open {
  overflow: hidden;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  /* メニューから開く入力画面・選択画面は、凡例とポップアップより前面に出す。 */
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.42);
  box-sizing: border-box;
}

.modal-overlay[hidden] {
  display: none !important;
}

.dataset-field-settings[hidden],
.dataset-fields-status[hidden] {
  display: none !important;
}

.modal-panel {
  width: min(560px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-header h2 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
}

.modal-close-button {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 21px;
  line-height: 28px;
  cursor: pointer;
}

.modal-body {
  display: grid;
  gap: 12px;
  padding: 14px 16px;
}

.modal-help {
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 12px;
  background: #f8fafc;
  overflow: hidden;
}

.modal-help summary {
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 800;
  color: #222;
  cursor: pointer;
  user-select: none;
}

.modal-help-content {
  display: grid;
  gap: 8px;
  padding: 0 12px 12px;
  color: #333;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.55;
}

.modal-help-content p {
  margin: 0;
}

.modal-help-content ul {
  margin: 0;
  padding-left: 1.2em;
}

.modal-help-content li + li {
  margin-top: 4px;
}

.modal-help code {
  padding: 1px 4px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.06);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95em;
}

.modal-help .header-example {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 8px 9px;
  overflow-x: auto;
  white-space: nowrap;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #fff;
  color: #111;
}

.modal-field {
  display: grid;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: #333;
}

.modal-field input,
.modal-field textarea,
.modal-field select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 11px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 10px;
  background: #fff;
  color: #222;
  font: inherit;
  font-weight: 500;
}

.modal-field textarea {
  resize: vertical;
  min-height: 74px;
}

.modal-field small {
  color: #666;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.45;
}

.dataset-field-loader {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: #f8fafc;
}

.dataset-field-loader small,
.dataset-fieldset small {
  color: #666;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.45;
}

.dataset-fields-status {
  padding: 8px 10px;
  border: 1px solid rgba(0, 92, 158, 0.24);
  border-radius: 10px;
  background: #eef7ff;
  color: #174a72;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.dataset-fields-status.is-error {
  border-color: rgba(176, 0, 32, 0.35);
  background: #fff1f3;
  color: #9b001c;
}

.dataset-field-settings {
  display: grid;
  gap: 12px;
}

.dataset-fieldset {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: #f8fafc;
}

.dataset-fieldset-title {
  color: #222;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.dataset-field-list {
  display: grid;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
}

.dataset-field-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border: 1px solid rgba(0, 0, 0, 0.10);
  border-radius: 10px;
  background: #fff;
}

.dataset-field-check {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: #333;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.dataset-field-check span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.dataset-field-order-actions {
  display: flex;
  gap: 4px;
}

.dataset-field-order-actions button {
  min-width: 28px;
  padding: 4px 7px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  background: #fff;
  color: #333;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.dataset-shape-map {
  display: grid;
  gap: 6px;
  max-height: 260px;
  overflow: auto;
}

.dataset-shape-map-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(64px, 84px) auto;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border: 1px solid rgba(0, 0, 0, 0.10);
  border-radius: 10px;
  background: #fff;
}

.dataset-shape-map-value {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #333;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.dataset-shape-map-preview {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dataset-shape-map-preview svg {
  width: 24px;
  height: 24px;
  display: block;
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.8));
}

.dataset-shape-map-row select {
  width: 100%;
  min-width: 0;
  text-align: center;
  font-size: 16px;
}

.dataset-shape-map-actions {
  display: inline-flex;
  gap: 4px;
  justify-content: flex-end;
}

.dataset-shape-map-actions button {
  min-width: 28px;
  min-height: 28px;
  padding: 0 6px;
  line-height: 1;
}

.dataset-shape-map-empty {
  margin: 0;
  color: #666;
  font-size: 12px;
  line-height: 1.45;
}

.modal-error {
  padding: 9px 10px;
  border: 1px solid rgba(176, 0, 32, 0.35);
  border-radius: 10px;
  background: #fff1f3;
  color: #9b001c;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 16px 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.primary-button,
.secondary-button {
  min-width: 88px;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  border: 1px solid #174ea6;
  background: #1a73e8;
  color: #fff;
}

.secondary-button {
  border: 1px solid rgba(0, 0, 0, 0.22);
  background: #fff;
  color: #222;
}

@media (max-width: 520px) {
  .modal-overlay {
    align-items: flex-end;
    padding: 10px;
  }

  .modal-panel {
    width: 100%;
    max-height: calc(100vh - 20px);
    border-radius: 16px 16px 12px 12px;
  }

  .modal-actions {
    position: sticky;
    bottom: 0;
    background: #fff;
  }
}


/* Compact top menu layout */
#topbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: calc(7px + env(safe-area-inset-top)) 10px 8px 10px;
}

.topbar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.topbar-main {
  flex: 1 1 auto;
  min-width: 0;
}

.topbar-toggle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  min-width: 32px;
  padding: 0;
  border-radius: 999px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.topbar-open-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  min-width: 42px;
  padding: 0;
  border-radius: 999px;
  font-size: 22px;
  line-height: 1;
}

.topbar-open-button[hidden] {
  display: none !important;
}

.topbar-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  width: 100%;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.dataset-row {
  justify-content: space-between;
}

.map-row {
  justify-content: flex-end;
}

.dataset-control {
  flex: 1 1 280px;
  min-width: 160px;
}

#dataset-select {
  width: 100%;
  max-width: none;
  min-width: 0;
}

.dataset-button-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.basemap-control {
  flex: 0 1 auto;
}

#basemap-select {
  max-width: 132px;
}

@media (min-width: 860px) {
  #topbar {
    grid-template-columns: minmax(180px, 0.8fr) minmax(460px, 1.6fr);
    align-items: center;
    gap: 10px 14px;
  }

  .topbar-head {
    grid-column: 1;
  }

  .topbar-actions {
    grid-column: 2;
    grid-template-columns: minmax(320px, 1fr) auto;
    align-items: center;
  }

  .map-row {
    justify-content: flex-end;
  }
}

@media (max-width: 720px) {
  #topbar {
    align-items: stretch;
    gap: 7px;
  }

  .topbar-actions {
    align-items: stretch;
  }

  .dataset-row {
    align-items: stretch;
  }

  .dataset-control {
    flex: 1 1 100%;
  }

  .dataset-button-group {
    justify-content: flex-end;
  }

  .map-row {
    justify-content: flex-end;
  }
}

@media (max-width: 520px) {
  .topbar-actions {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .dataset-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px;
  }

  .dataset-control {
    grid-column: 1 / -1;
  }

  .dataset-button-group {
    grid-column: 1 / 2;
    justify-content: flex-start;
  }

  .map-row {
    grid-column: 2 / 3;
    justify-content: flex-end;
    align-self: center;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button {
    padding: 6px 8px;
    font-size: 12px;
  }

  #reload-button {
    padding: 6px 9px;
    font-size: 12px;
    min-width: 52px;
  }

  #basemap-select {
    max-width: 110px;
    padding: 6px 8px;
    font-size: 12px;
  }
}

/* Header close/open menu buttons */
#topbar {
  position: relative;
  padding-right: 54px;
}

.topbar-head {
  padding-right: 0;
}

.topbar-toggle-button {
  position: absolute;
  top: calc(8px + env(safe-area-inset-top));
  right: 10px;
  z-index: 13;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.16);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.topbar-toggle-button:hover,
.topbar-open-button:hover {
  background: #fff;
}

.topbar-open-button {
  left: 10px;
  top: calc(8px + env(safe-area-inset-top));
  z-index: 13;
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}

@media (min-width: 860px) {
  #topbar {
    grid-template-columns: minmax(180px, 0.8fr) minmax(460px, 1.6fr);
    padding-right: 58px;
  }
}

@media (max-width: 520px) {
  #topbar {
    padding-right: 52px;
  }

  .topbar-toggle-button {
    right: 8px;
    width: 34px;
    height: 34px;
    min-width: 34px;
  }
}

.share-modal-panel {
  max-width: 560px;
}

.share-description {
  margin: 0 0 8px;
  color: #333;
  font-size: 13px;
  line-height: 1.6;
}

#share-url-output {
  min-height: 96px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.45;
}

.share-source-field {
  gap: 6px;
}

.share-source-link {
  display: block;
  max-width: 100%;
  padding: 9px 10px;
  border: 1px solid #d9dee7;
  border-radius: 10px;
  background: #f8fafc;
  color: #0b5cab;
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-decoration: underline;
}

.share-source-link[aria-disabled="true"] {
  color: #777;
  text-decoration: none;
  pointer-events: none;
}

.share-modal-message {
  min-height: 1.4em;
  color: #155724;
  font-size: 13px;
  font-weight: 700;
}

/* Menu layout refinement */
#topbar {
  grid-template-columns: minmax(170px, 0.72fr) minmax(0, 1.45fr);
  grid-template-areas: "head actions";
  align-items: center;
  gap: 10px 14px;
  padding: calc(8px + env(safe-area-inset-top)) 58px 8px 12px;
}

.topbar-head {
  grid-area: head;
  min-width: 0;
}

.topbar-actions {
  grid-area: actions;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
}

.control-row {
  min-width: 0;
}

.dataset-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
}

.dataset-control {
  width: 100%;
  min-width: 0;
}

#dataset-select {
  width: 100%;
  max-width: none;
  min-width: 0;
}

.dataset-button-group {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  align-items: center;
  gap: 6px;
  min-width: max-content;
}

.map-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: max-content;
}

.basemap-control {
  min-width: 0;
}

#basemap-select {
  max-width: 132px;
}

.topbar-toggle-button {
  position: absolute;
  top: calc(8px + env(safe-area-inset-top));
  right: 10px;
}

@media (max-width: 860px) {
  #topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "actions";
    align-items: stretch;
    gap: 8px;
    padding-right: 54px;
  }

  .topbar-actions {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .dataset-row {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 6px;
  }

  .dataset-button-group {
    width: 100%;
    min-width: 0;
    grid-auto-flow: unset;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button {
    width: 100%;
    min-width: 0;
    padding: 7px 8px;
    text-align: center;
  }

  .map-row {
    width: 100%;
    min-width: 0;
    justify-content: space-between;
  }

  .basemap-control {
    flex: 1 1 auto;
  }

  .basemap-control span,
  .dataset-control span {
    display: inline;
  }

  #basemap-select {
    width: min(190px, 48vw);
    max-width: none;
  }

  #reload-button {
    flex: 0 0 auto;
  }
}

@media (max-width: 420px) {
  .dataset-button-group {
    gap: 5px;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button {
    padding: 6px 5px;
    font-size: 12px;
  }

  .basemap-control span {
    display: none;
  }

  #basemap-select {
    width: 140px;
  }
}

/* Categorized menu layout */
#topbar {
  grid-template-columns: minmax(170px, 0.58fr) minmax(0, 1.72fr);
  gap: 10px 14px;
}

.topbar-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.42fr);
  align-items: stretch;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

.menu-section {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 6px;
  min-width: 0;
  padding: 8px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.64);
}

.menu-section-title {
  color: #444;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.dataset-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.dataset-button-group {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  align-items: center;
  gap: 6px;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button,
#reload-button {
  white-space: nowrap;
}

.map-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  gap: 6px;
  min-width: 0;
}

.basemap-control {
  width: 100%;
  justify-content: space-between;
}

.basemap-control span,
.dataset-control span {
  display: inline !important;
}

#basemap-select {
  width: min(150px, 100%);
  max-width: none;
}

#reload-button {
  width: 100%;
  min-width: 0;
}

@media (max-width: 980px) {
  #topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "actions";
    align-items: stretch;
  }

  .topbar-actions {
    grid-template-columns: 1fr;
  }

  .dataset-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .dataset-button-group {
    width: 100%;
    min-width: 0;
    grid-auto-flow: unset;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button {
    width: 100%;
    min-width: 0;
    padding: 7px 8px;
    text-align: center;
  }

  .map-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .basemap-control {
    justify-content: flex-start;
  }

  #reload-button {
    width: auto;
    min-width: 120px;
  }
}

@media (max-width: 560px) {
  .menu-section {
    padding: 7px;
  }

  .dataset-button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #reload-button {
    padding: 7px 7px;
    font-size: 12px;
  }

  .map-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .basemap-control {
    justify-content: space-between;
  }

  #basemap-select {
    width: min(170px, 54vw);
  }

  #reload-button {
    width: 100%;
  }
}

/* Help modal and menu help section */
.modal-note {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid #d9e2ef;
  border-radius: 12px;
  background: #f7faff;
  color: #333;
  font-size: 13px;
  line-height: 1.6;
}

.help-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  min-width: 0;
}

#help-button {
  width: 100%;
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

#help-button:active {
  transform: translateY(1px);
}

.help-modal-panel {
  max-width: 680px;
}

.help-modal-body {
  display: grid;
  gap: 14px;
}

.help-content-section {
  display: grid;
  gap: 8px;
}

.help-content-section h3 {
  margin: 0;
  color: #222;
  font-size: 15px;
  line-height: 1.35;
}

.help-content-section p,
.help-content-section li {
  margin: 0;
  color: #333;
  font-size: 13px;
  line-height: 1.65;
}

.help-content-section ol,
.help-content-section ul {
  margin: 0;
  padding-left: 1.45em;
}

.help-content-section code:not(.header-example) {
  padding: 1px 4px;
  border-radius: 4px;
  background: #f1f5f9;
}

.help-table-wrap {
  overflow-x: auto;
  border: 1px solid #d8e1ec;
  border-radius: 12px;
  background: #fff;
}

.help-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13px;
}

.help-table th,
.help-table td {
  padding: 8px 10px;
  border-bottom: 1px solid #e6edf5;
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.help-table th {
  background: #f7faff;
  color: #222;
  font-weight: 800;
  white-space: nowrap;
}

.help-table tr:last-child td {
  border-bottom: 0;
}

.header-copy-line {
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 9px 10px;
  overflow-x: auto;
  border: 1px solid #d8e1ec;
  border-radius: 12px;
  background: #f8fafc;
  color: #111;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
}

.header-copy-line code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (min-width: 981px) {
  .topbar-actions {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 0.42fr) minmax(96px, 0.18fr);
  }
}

@media (max-width: 980px) {
  .help-row {
    width: 100%;
  }

  #help-button {
    width: 100%;
    padding: 7px 8px;
    text-align: center;
  }
}

@media (max-width: 560px) {
  #help-button {
    padding: 7px 7px;
    font-size: 12px;
  }
}

/* Registration button and updated dataset controls */
#dataset-register-button {
  padding: 7px 10px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

#dataset-register-button:active {
  transform: translateY(1px);
}

#dataset-register-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 980px) {
  .dataset-button-group {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  #dataset-register-button {
    width: 100%;
    min-width: 0;
    padding: 7px 8px;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .dataset-button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #dataset-register-button {
    padding: 7px 7px;
    font-size: 12px;
  }
}

/* Final menu organization refinement */
#topbar {
  display: grid;
  grid-template-columns: minmax(170px, 0.52fr) minmax(0, 1.78fr);
  grid-template-areas: "head actions";
  align-items: stretch;
  gap: 10px 14px;
  padding: calc(8px + env(safe-area-inset-top)) 58px 9px 12px;
}

.topbar-head {
  grid-area: head;
  align-self: center;
}

.topbar-actions {
  grid-area: actions;
  display: grid;
  grid-template-columns: minmax(360px, 1.6fr) minmax(210px, 0.72fr) minmax(92px, 0.28fr);
  align-items: stretch;
  gap: 10px;
  min-width: 0;
}

.menu-section {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 7px;
  min-width: 0;
  padding: 9px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.menu-section-title {
  color: #3b3b3b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.control-row {
  min-width: 0;
}

.dataset-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.dataset-control,
.basemap-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  min-width: 0;
  width: 100%;
  font-size: 12px;
  font-weight: 700;
  color: #333;
  white-space: nowrap;
}

#dataset-select,
#basemap-select {
  width: 100%;
  min-width: 0;
  max-width: none;
}

.dataset-button-group {
  display: grid;
  grid-template-columns: repeat(5, max-content);
  align-items: center;
  gap: 6px;
  min-width: 0;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button,
#dataset-register-button,
#reload-button,
#help-button {
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

#dataset-register-button.is-registerable {
  border-color: rgba(0, 94, 184, 0.35);
  background: #eef6ff;
  color: #064f91;
}

#dataset-register-button.is-registered:disabled {
  border-color: rgba(0, 128, 72, 0.28);
  background: #eef8f2;
  color: #26724a;
  opacity: 1;
  cursor: default;
}

#dataset-register-button.is-inactive:disabled,
#dataset-edit-button:disabled,
#dataset-delete-button:disabled,
#dataset-share-button:disabled,
#reload-button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.map-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.help-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  min-width: 0;
}

#help-button {
  width: 100%;
}

@media (max-width: 1120px) {
  #topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "actions";
    align-items: stretch;
  }

  .topbar-actions {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.56fr) minmax(86px, 0.24fr);
  }

  .dataset-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .dataset-button-group {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    width: 100%;
    min-width: 0;
    padding-right: 7px;
    padding-left: 7px;
    text-align: center;
  }
}

@media (max-width: 760px) {
  #topbar {
    padding-right: 54px;
  }

  .topbar-actions {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .menu-section {
    padding: 8px;
  }

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

  .map-row {
    grid-template-columns: minmax(0, 1fr) minmax(88px, max-content);
  }
}

@media (max-width: 480px) {
  #topbar {
    gap: 7px;
    padding-left: 9px;
    padding-right: 50px;
  }

  .menu-section {
    padding: 7px;
    border-radius: 14px;
  }

  .dataset-control,
  .basemap-control {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .dataset-button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button,
  #reload-button,
  #help-button {
    min-height: 33px;
    padding: 6px 7px;
    font-size: 12px;
  }

  .map-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .basemap-control span,
  .dataset-control span {
    display: inline !important;
  }
}

/* Narrow desktop layout refinement */
@media (max-width: 1120px) and (min-width: 761px) {
  #topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "actions";
  }

  .topbar-actions {
    grid-template-columns: 1fr;
  }

  .dataset-row {
    grid-template-columns: minmax(240px, 1fr) auto;
    align-items: center;
  }

  .dataset-button-group {
    grid-template-columns: repeat(auto-fit, minmax(64px, max-content));
    justify-content: end;
    max-width: 100%;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    width: auto;
    min-width: 64px;
    padding-right: 10px;
    padding-left: 10px;
  }

  .map-row {
    grid-template-columns: minmax(240px, 1fr) max-content;
  }
}

@media (max-width: 900px) and (min-width: 761px) {
  .dataset-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .dataset-button-group {
    grid-template-columns: repeat(auto-fit, minmax(68px, 1fr));
    justify-content: stretch;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    width: 100%;
    min-width: 0;
  }
}

/* Fix dataset action overflow on narrow desktop widths */
.dataset-button-group {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  overflow: visible;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button,
#dataset-register-button {
  flex: 0 1 auto;
  min-width: 58px;
  max-width: 100%;
  box-sizing: border-box;
}

#dataset-register-button {
  min-width: 72px;
}

@media (max-width: 1120px) {
  .dataset-button-group {
    justify-content: flex-start;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    flex: 1 1 76px;
    width: auto;
  }
}

@media (max-width: 900px) and (min-width: 761px) {
  .dataset-button-group {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    width: 100%;
    min-width: 0;
    padding-right: 7px;
    padding-left: 7px;
  }
}

@media (max-width: 560px) {
  .dataset-button-group {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #dataset-add-button,
  #dataset-edit-button,
  #dataset-delete-button,
  #dataset-share-button,
  #dataset-register-button {
    width: 100%;
    min-width: 0;
  }
}

/* Filter menu and modal */
@media (min-width: 1121px) {
  .topbar-actions {
    grid-template-columns: minmax(360px, 1.52fr) minmax(200px, 0.6fr) minmax(150px, 0.42fr) minmax(92px, 0.24fr);
  }
}

.filter-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  align-content: center;
}

#filter-button {
  width: 100%;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: #fff;
  color: #222;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
}

#filter-button.is-filtered {
  border-color: rgba(0, 94, 184, 0.35);
  background: #eef6ff;
  color: #064f91;
}

#filter-button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.filter-summary {
  color: #555;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

.filter-modal-panel {
  max-width: 760px;
}

.filter-modal-body {
  gap: 14px;
}

.filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.compact-button {
  min-width: 0;
  padding: 7px 11px;
  font-size: 13px;
}

.filter-options {
  display: grid;
  gap: 12px;
}

.filter-fieldset {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: #f8fafc;
}

.filter-fieldset-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.filter-fieldset-header h3 {
  margin: 0;
  color: #222;
  font-size: 14px;
  line-height: 1.35;
}

.filter-field-actions {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.filter-field-actions button {
  padding: 4px 8px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  background: #fff;
  color: #333;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.filter-option-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 6px 10px;
  max-height: 220px;
  overflow: auto;
  padding-right: 2px;
}

.filter-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  background: #fff;
  color: #222;
  font-size: 13px;
  line-height: 1.35;
  cursor: pointer;
}

.filter-option input {
  margin: 0;
}

.filter-option-label {
  overflow-wrap: anywhere;
}

.filter-option-count {
  min-width: 1.6em;
  padding: 1px 6px;
  border-radius: 999px;
  background: #eef2f7;
  color: #445;
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.filter-empty {
  margin: 0;
  color: #666;
  font-size: 13px;
}

@media (max-width: 1120px) {
  .filter-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .filter-summary {
    text-align: right;
  }
}

@media (max-width: 560px) {
  .filter-row {
    grid-template-columns: 1fr;
  }

  .filter-summary {
    text-align: left;
  }

  #filter-button {
    padding: 7px 7px;
    font-size: 12px;
  }

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

  .compact-button {
    padding: 7px 6px;
    font-size: 12px;
  }

  .filter-option-list {
    grid-template-columns: 1fr;
    max-height: 260px;
  }
}

/* Menu layout refinement and searchable one-column filters */
.menu-section.dataset-section {
  min-width: 0;
}

.dataset-row {
  display: grid !important;
  grid-template-columns: minmax(220px, 1fr) minmax(300px, 0.92fr);
  gap: 8px;
  align-items: end;
}

.dataset-control {
  min-width: 0 !important;
}

.dataset-button-group {
  display: grid !important;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  justify-content: stretch;
  align-items: stretch;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button,
#dataset-register-button {
  width: 100%;
  min-width: 0 !important;
  max-width: 100%;
  padding-right: 6px;
  padding-left: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .dataset-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .dataset-button-group {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .dataset-button-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 430px) {
  .dataset-button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.filter-modal-panel {
  max-width: 640px;
}

.filter-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.filter-fieldset {
  min-width: 0;
}

.filter-search-field {
  display: grid;
  gap: 4px;
}

.filter-search-field span {
  color: #555;
  font-size: 12px;
  font-weight: 700;
}

.filter-search-field input {
  width: 100%;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 10px;
  background: #fff;
  color: #222;
  font: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.filter-option-list {
  grid-template-columns: 1fr !important;
  max-height: 260px;
}

.filter-option[hidden],
.filter-empty[hidden] {
  display: none !important;
}

/* Final overflow-safe layout for survey data actions and filter footer */
.menu-section,
.control-row,
.dataset-section,
.dataset-row,
.dataset-control,
.dataset-button-group {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
}

.dataset-row {
  display: grid !important;
  grid-template-columns: 1fr !important;
  align-items: stretch !important;
  gap: 8px !important;
  overflow: hidden;
}

.dataset-control {
  width: 100% !important;
  max-width: 100%;
}

#dataset-select {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
}

.dataset-button-group {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(72px, 100%), 1fr)) !important;
  width: 100% !important;
  max-width: 100% !important;
  gap: 6px !important;
  justify-content: stretch !important;
  overflow: hidden;
}

#dataset-add-button,
#dataset-edit-button,
#dataset-delete-button,
#dataset-share-button,
#dataset-register-button,
#reload-button,
#reload-cancel-button {
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
  box-sizing: border-box;
  padding-right: 6px !important;
  padding-left: 6px !important;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 430px) {
  .dataset-button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

#filter-modal .filter-modal-panel {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 36px);
  overflow: hidden;
}

#filter-modal .modal-header {
  flex: 0 0 auto;
}

#filter-modal .filter-modal-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

#filter-modal .modal-actions {
  position: sticky;
  bottom: 0;
  z-index: 2;
  flex: 0 0 auto;
  background: #fff;
  box-shadow: 0 -8px 18px rgba(0, 0, 0, 0.06);
}

/* Final overflow-safe layout for map display controls */
.menu-section.map-section,
.map-section .control-row,
.map-row,
.basemap-control {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
}

.menu-section.map-section {
  overflow: hidden;
}

.map-row {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 6px !important;
  width: 100% !important;
  min-width: 0 !important;
  overflow: hidden;
}

.basemap-control {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 6px !important;
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
  overflow: hidden;
}

.basemap-control span {
  min-width: 0;
  white-space: nowrap;
}

#basemap-select {
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
  box-sizing: border-box;
  overflow: hidden;
  text-overflow: ellipsis;
}

#reload-button,
#reload-cancel-button {
  width: auto !important;
  min-width: 64px !important;
  max-width: 100% !important;
  box-sizing: border-box;
  padding-right: 10px !important;
  padding-left: 10px !important;
}

@media (max-width: 520px) {
  .map-row {
    grid-template-columns: 1fr !important;
    align-items: stretch !important;
  }

  .basemap-control {
    grid-template-columns: auto minmax(0, 1fr) !important;
  }

  #reload-button,
  #reload-cancel-button {
    width: 100% !important;
  }
}

@media (max-width: 360px) {
  .basemap-control span {
    display: none !important;
  }

  .basemap-control {
    grid-template-columns: minmax(0, 1fr) !important;
  }
}

/* Layer order: markers stay below app UI, popups, legends, and modal dialogs. */
.maplibregl-marker.record-marker {
  z-index: 100;
}

#topbar,
.topbar-open-button,
.maplibregl-ctrl-top-right,
.maplibregl-ctrl-top-left,
.maplibregl-ctrl-bottom-right,
.maplibregl-ctrl-bottom-left {
  z-index: 1000 !important;
}

#legend {
  z-index: 2000 !important;
}

.maplibregl-popup {
  z-index: 3000 !important;
}

.modal-overlay {
  z-index: 10000 !important;
}