/* Giao diện Hải An được bảo trì trực tiếp trong Bandoso, giữ nguyên quy tắc hiển thị.
   Phần bổ sung riêng cho Bandoso (intro, 2D Mapbox, VR360, lớp nền) nằm ở cuối tệp. */
:root {
  font-family: 'Be Vietnam Pro',system-ui,sans-serif;
  color: #f0f7fc;
  background: #062037;
  font-synthesis: none;
  --cyan: #37d1f4;
  --muted: #9cbccc;
  --line: #83cce731;
  --panel: linear-gradient(145deg,#0b3148ee,#031d30f5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

button,input,select {
  font: inherit;
}

button,a,input {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
  color: inherit;
  background: none;
  border: 0;
}

button,a {
  transition: background .18s,color .18s,border-color .18s,box-shadow .18s;
}

button:disabled {
  cursor: default;
}

a {
  color: inherit;
  text-decoration: none;
}

button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible {
  outline: 2px solid #6ce1ff;
  outline-offset: 4px;
}

svg {
  flex-shrink: 0;
}

button svg {
  vertical-align: middle;
}

input {
  min-width: 0;
}

.app {
  --header-height: 60px;
  --explorer-width: 244px;
  --detail-width: 286px;
  --map-left: calc(var(--explorer-width) + 20px);
  --map-right: 12px;
  --detail-height: min(42dvh, 360px);
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: radial-gradient(ellipse at 61% 47%,#124d69 0,#0c3956 37%,#082b45 67%,#042137 100%);
}

.app::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 60% 20%,#44c6e708,transparent 60%);
}

.header {
  height: var(--header-height);
  position: absolute;
  z-index: 25;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 18px;
  border-bottom: 0;
  background: none;
  box-shadow: none;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 0;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 42px;
  display: grid;
  place-items: start center;
  padding-top: 4px;
  position: relative;
  overflow: hidden;
  border: 1px solid #b1dbde99;
  border-radius: 16px 16px 25px 25px;
  color: #ffe3af;
  background: linear-gradient(150deg,#166676,#126080 67%);
  box-shadow: inset 0 0 15px #93dce831,0 4px 15px #00172566;
}

.brand-mark>svg {
  width: 27px;
  height: 27px;
  z-index: 1;
  filter: drop-shadow(0 2px 0 #543f28);
}

.brand-waves {
  position: absolute;
  bottom: -12px;
  width: 90px;
  height: 32px;
  border-radius: 50%;
  border-top: 2px solid #a3ebf1;
  background: #1a829d;
  transform: rotate(-9deg);
  box-shadow: 0 -6px 0 #126477,0 -7px 0 #d0efe5;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-copy strong {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.5px;
  white-space: nowrap;
}

.brand-copy strong>span {
  color: #fff;
}

.brand-copy small {
  display: none;
  font-size: 10px;
  color: #b2d0e0;
  letter-spacing: .15px;
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #d7f0ffcc;
  border-radius: 24px;
  padding: 8px 12px;
  color: #125074;
  background: linear-gradient(125deg,#f2faff,#c8e4f2);
  box-shadow: 0 0 20px #28b9eb13,inset 0 1px #fff;
}

.search:focus-within {
  border-color: #50d7ff;
  box-shadow: 0 0 0 3px #32c8f01f;
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  padding: 0;
  color: #123951;
  background: transparent;
  font-size: 12px;
}

.search input::placeholder {
  color: #406b83;
}

.search button {
  padding: 0;
  color: #29657f;
}

.header-search {
  margin-left: auto;
  flex: 1;
  max-width: 330px;
  min-width: 190px;
}

.search-hint {
  white-space: nowrap;
  border-left: 1px solid #87aebd55;
  padding-left: 9px;
  font-size: 9px;
  color: #5e8297;
}

.sidebar-search {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.tour-button,.header-exhibition {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid #36bfe0a1;
  border-radius: 22px;
  background: #00284099;
  box-shadow: inset 0 0 12px #1caada14;
  color: #e9f8ff;
  font-size: 11px;
  white-space: nowrap;
}

.tour-button:hover,.tour-button.active,.header-exhibition:hover {
  background: #0b6483;
  border-color: #52e3ff;
}

.tour-button svg {
  fill: currentColor;
  stroke-width: 1;
}

.mode-switch {
  display: flex;
  padding: 3px;
  border: 1px solid #b0d6e6;
  border-radius: 23px;
  background: #b9d8e7;
  box-shadow: inset 0 1px #fff8;
}

.mode-switch button {
  padding: 7px 12px;
  border-radius: 18px;
  font-size: 12px;
  color: #113c58;
  font-weight: 600;
}

.mode-switch button.active {
  background: linear-gradient(145deg,#0c8ad4,#005697);
  color: #fff;
  box-shadow: 0 1px 7px #04547a77;
}

.language {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-size: 11px;
  color: #daecf6;
}

.panel {
  border: 1px solid #43a7ca69;
  background: var(--panel);
  box-shadow: inset 0 1px #c4ebfa10,0 16px 38px #00192c42;
}

.explorer {
  position: absolute;
  z-index: 15;
  left: 12px;
  top: 72px;
  bottom: 24px;
  width: var(--explorer-width);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 12px;
}

.explorer-collapsed {
  --map-left: 12px;
}

.explorer-collapsed .explorer {
  display: none;
}

.explorer-reopen {
  position: absolute;
  z-index: 16;
  top: 72px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
}

.explorer-reopen small {
  color: var(--muted);
}

.explorer-heading {
  padding: 12px 12px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.eyebrow {
  font-size: 9px;
  letter-spacing: 1.5px;
  font-weight: 500;
  color: #82bdd1;
}

.explorer h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.6px;
  line-height: 1.4;
  margin: 0;
}

.explorer-subtitle {
  color: #a6c5d7;
  font-size: 10px;
  font-weight: 600;
  margin: 4px 12px 12px;
}

.filters {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  padding: 0 8px 10px;
  border-bottom: 1px solid var(--line);
}

.filters button {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 0 auto;
  font-size: 10px;
  padding: 7px 4px;
  white-space: nowrap;
  border: 1px solid #5c9fbd24;
  border-radius: 7px;
  color: #bad1dd;
  background: #163c536b;
}

.filters button.active {
  color: #00263f;
  background: linear-gradient(135deg,#3ed4f5,#06b0e7);
  border-color: #35d7fd;
  font-weight: 600;
  box-shadow: 0 3px 12px #02b7e221;
}

.filters button:hover:not(.active) {
  background: #1f526b;
  color: #fff;
}

.list-heading {
  display: flex;
  justify-content: space-between;
  margin: 10px 13px 6px;
  font-size: 10px;
  font-weight: 600;
  color: #a6c5d7;
  letter-spacing: 0;
}

.list-heading>span:last-child {
  color: #d7ebf3;
  letter-spacing: 0;
}

.destination-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 8px 8px;
  scrollbar-width: thin;
  scrollbar-color: #527f9699 transparent;
}

.destination {
  width: 100%;
  display: flex;
  align-items: center;
  text-align: left;
  gap: 9px;
  padding: 7px 5px;
  min-height: 60px;
  border: 1px solid transparent;
  border-radius: 9px;
  position: relative;
}

.destination+.destination::before {
  content: '';
  position: absolute;
  left: 62px;
  right: 9px;
  top: -1px;
  height: 1px;
  background: #b1d2e211;
}

.destination:hover,.destination.is-hovered {
  background: #24617b62;
  border-color: #7fc8dc45;
}

.destination.is-hovered .destination-index {
  color: #543408;
  background: #ffe0a0;
}

.destination.selected {
  background: linear-gradient(110deg,#08709299,#04405c88);
  border-color: #23cff5;
  box-shadow: inset 0 0 15px #00a9e321,0 0 11px #0bcaff0a;
}

.destination-visual {
  position: relative;
  display: block;
  flex-shrink: 0;
  width: 44px;
  height: 42px;
}

.heritage-photo {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg,#244e5b,#133441);
  color: #9cbdad;
}

.heritage-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px #a3d3de29;
  border-radius: inherit;
}

.heritage-photo>svg {
  opacity: .7;
}

.heritage-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.photo-placeholder {
  background: radial-gradient(ellipse at 50% 100%,#376357,#153e51 85%);
}

.destination-visual>.heritage-photo {
  border-radius: 7px;
}

.destination-index {
  position: absolute;
  bottom: -2px;
  left: -3px;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 8px;
  font-weight: 600;
  background: #d2e7ef;
  color: #10334a;
  border: 2px solid #10364b;
  box-shadow: 0 2px 5px #0005;
}

.destination.selected .destination-index {
  color: #452504;
  background: #ffcd82;
  border-color: #6b754a;
}

.destination-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.destination-text strong {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.55;
  color: #ecf6fc;
}

.destination-text small {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  color: #8bb0c3;
  font-size: 9px;
  line-height: 1.5;
}

.destination-text .located-label {
  color: #93cddc;
}

.destination-text small>span {
  display: none;
}

.destination>svg {
  color: #81b2c6;
  width: 12px;
}

.explorer-footer {
  margin: 5px 11px 12px;
  border: 1px solid #39a7ce66;
  padding: 13px 11px;
  border-radius: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
  text-align: left;
  background: radial-gradient(ellipse at 90% 110%,#1487a454,transparent 80%),linear-gradient(110deg,#0b3a57,#0b3049);
}

.explorer-footer:hover {
  border-color: #46d2fb;
  background-color: #135072;
}

.footer-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #e6f6ff;
  border: 1px solid #54c7e0aa;
  background: #196b8a55;
  flex-shrink: 0;
}

.footer-icon svg {
  fill: #b2eaff;
  stroke-width: 1;
}

.explorer-footer>span:last-child {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.explorer-footer small {
  font-size: 7px;
  color: #7fbad0;
  letter-spacing: 1.3px;
}

.explorer-footer strong {
  font-size: 10px;
  font-weight: 500;
  color: #ecf5ff;
}

.explorer-footer>span>span {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #73d9f4;
  font-size: 9px;
}

.map-area {
  position: absolute;
  left: var(--map-left);
  top: calc(var(--header-height) + 4px);
  right: var(--map-right);
  bottom: 22px;
}

.has-detail {
  --map-right: calc(var(--detail-width) + 24px);
}

.scene-stage {
  position: absolute;
  inset: 0;
}

.scene-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.scene-heading {
  position: absolute;
  z-index: 2;
  left: 18px;
  top: 16px;
  pointer-events: none;
  text-shadow: 0 2px 12px #03213699;
}

.scene-heading>.eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 8px;
  letter-spacing: 2px;
  color: #a8d2e2;
}

.live-dot {
  width: 4px;
  height: 4px;
  background: #53d8e7;
  border-radius: 50%;
  box-shadow: 0 0 8px #6ae7ff;
}

.scene-heading h2 {
  margin: 8px 0 4px;
  font-size: 29px;
  font-weight: 500;
  letter-spacing: -1.7px;
  line-height: 1.2;
}

.scene-heading h2>span {
  display: inline-block;
  vertical-align: top;
  margin: 7px 0 0 10px;
  border: 1px solid #6dc9dd77;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 9px;
  letter-spacing: 1px;
  color: #82e8f7;
}

.scene-heading p {
  display: none;
  font-size: 11px;
  letter-spacing: .15px;
  color: #9bc5d7;
  margin: 6px 0;
}

.has-detail .scene-heading {
  opacity: 0;
}

.explorer-collapsed .scene-heading {
  top: 64px;
}

.north-control {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: #e4f4fe;
}

.north-control svg {
  width: 30px;
  height: 30px;
  filter: drop-shadow(0 2px 7px #00253a);
  stroke-width: 1.25;
}

.scene-controls {
  position: absolute;
  right: 10px;
  bottom: 65px;
  z-index: 4;
  padding: 3px;
  display: flex;
  flex-direction: column;
  border: 1px solid #ccecff;
  border-radius: 11px;
  background: linear-gradient(145deg,#effaff,#b3dce9);
  box-shadow: 0 6px 24px #00172e66;
}

.scene-controls button {
  width: 32px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #173e59;
}

.scene-controls button:hover,.scene-controls button.active {
  color: #00658f;
  background: #8ccde499;
}

.scene-controls>span {
  height: 1px;
  background: #4d8fab44;
  margin: 2px 5px;
}

.map-bottom {
  position: absolute;
  left: 12px;
  right: 10px;
  bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.map-hint {
  display: none;
  align-items: center;
  gap: 7px;
  color: #8db4c7;
  font-size: 9px;
}

.map-hint>span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.map-hint i {
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: currentColor;
}

.data-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  white-space: nowrap;
  color: #bdd7e2;
  padding: 7px 9px;
  border: 1px solid #80c2d32b;
  background: #062b4059;
  border-radius: 5px;
}

.status-dot {
  width: 4px;
  height: 4px;
  background: #edc885;
  border-radius: 50%;
}

.scene-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.marker-leaders {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.marker-leader {
  stroke: #f8d6a8b8;
  stroke-width: 1;
  fill: none;
  filter: drop-shadow(0 1px 1px #053047);
}

.marker-leader line {
  stroke: #f8d6a8b8;
  stroke-width: 1;
}

.marker-anchor {
  fill: #ffe6af;
  stroke: #735126;
  stroke-width: 1.3;
  filter: drop-shadow(0 1px 2px #021b27);
}

.marker-anchor.selected,.marker-anchor.is-hovered {
  fill: #fff5d9;
  stroke: #ffc56c;
  stroke-width: 2;
}

.marker-leader.selected,.marker-leader.is-hovered {
  stroke: #ffe9bd;
  stroke-width: 1.5;
}

.marker-anchor.context-muted:not(.is-hovered):not(.selected),.marker-leader.context-muted:not(.is-hovered):not(.selected) {
  opacity: .32;
}

.marker-anchor[hidden],.marker-leader[hidden] {
  display: none;
}

.scene-marker {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%,-100%);
  will-change: transform;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  height: 66px;
  pointer-events: none;
  z-index: 2;
  padding: 0 0 4px;
  transition: opacity .18s;
}

.scene-marker[hidden] {
  display: none;
}

.scene-marker--miniature {
  height: auto;
  padding: 0;
  gap: 0;
  pointer-events: auto;
}

.scene-marker--miniature .marker-name {
  height: 23px;
  padding: 2px 8px;
}

.marker-number {
  width: 28px;
  height: 31px;
  flex-shrink: 0;
  pointer-events: auto;
  display: grid;
  place-items: center;
  border: 1.5px solid #ffe8b1;
  border-radius: 50% 50% 45% 45%;
  font-size: 11px;
  font-weight: 600;
  color: #fff5df;
  background: linear-gradient(155deg,#cb8a27,#a95208);
  box-shadow: 0 2px 8px #12332388,inset 0 1px #ffe2a066;
  position: relative;
}

.marker-number::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  bottom: -4px;
  left: calc(50% - 3px);
  background: #a8560d;
  transform: rotate(45deg);
  border-right: 1px solid #ffe3a5;
  border-bottom: 1px solid #ffe3a5;
}

.marker-name {
  color: #f1f6f5;
  background: #072c40ed;
  border: 1px solid #a0d0d84d;
  border-radius: 5px;
  height: 26px;
  font-size: 11px;
  font-weight: 500;
  line-height: 16px;
  white-space: nowrap;
  padding: 4px 8px;
  pointer-events: auto;
  box-shadow: 0 3px 10px #00172455;
}

.scene-marker:hover,.scene-marker.selected,.scene-marker.is-hovered {
  z-index: 8;
}

.scene-marker:hover .marker-number,.scene-marker.selected .marker-number,.scene-marker.is-hovered .marker-number {
  color: #66320a;
  background: linear-gradient(145deg,#ffe8b0,#ffc16a);
  box-shadow: 0 0 0 5px #fff2bd21,0 0 22px #efb04288;
  border-color: #fff4d8;
}

.scene-marker.selected .marker-number::after,.scene-marker:hover .marker-number::after,.scene-marker.is-hovered .marker-number::after {
  background: #ffc56c;
  border-color: #fff4d8;
}

.scene-marker.selected .marker-name,.scene-marker.is-hovered .marker-name {
  color: #ffdfac;
  border-color: #dbb76e88;
  background: #103b4dec;
}

.scene-marker.name-hidden .marker-name,.scene-marker.label-hidden .marker-name {
  visibility: hidden;
  pointer-events: none;
}

.scene-marker.context-muted:not(:hover):not(.is-hovered):not(.selected) {
  opacity: .35;
}

.scene-marker.cluster .marker-number {
  background: linear-gradient(145deg,#c68e34,#a46016);
}

.place-label {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%,-50%);
  will-change: transform;
  pointer-events: none;
  color: #23454e;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .3px;
  white-space: nowrap;
  padding: 4px 7px;
  border: 1px solid #eef8f186;
  border-radius: 5px;
  background: #d4e9dfdb;
  box-shadow: 0 2px 6px #092e3526;
  text-shadow: 0 1px #f4fcf659;
  display: flex;
  gap: 6px;
  align-items: center;
}

.place-label[hidden] {
  display: none;
}

.place-label--major {
  color: #183e4b;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}

.place-label--local {
  color: #32575e;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .2px;
  background: #d4e9dfc9;
}

.bottom-toolbar {
  position: absolute;
  z-index: 17;
  bottom: 28px;
  left: calc(var(--map-left) + (100% - var(--map-left) - var(--map-right))/2);
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
  align-items: center;
  white-space: nowrap;
  border-radius: 12px;
  padding: 3px;
  border-color: #2cacd17d;
  background: linear-gradient(160deg,#0b3b57ed,#03283ded);
  box-shadow: inset 0 1px #b5f1ff14,0 7px 22px #00203566;
}

.bottom-toolbar button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 7px;
  padding: 9px 10px;
  font-size: 10px;
  color: #d2e7f2;
}

.bottom-toolbar button>span {
  display: none;
}

.bottom-toolbar button:hover {
  background: #236a875e;
}

.bottom-toolbar button.active {
  color: #8feaff;
  background: #2687a315;
}

.toolbar-separator {
  height: 22px;
  width: 1px;
  margin: 0 2px;
  background: #72bbd522;
}

.attribution {
  position: absolute;
  z-index: 18;
  bottom: 10px;
  left: 19px;
  display: flex;
  gap: 6px;
  align-items: center;
  color: #85afc3;
  font-size: 7px;
}

.attribution button {
  color: #a0c9dd;
  font-size: inherit;
  padding: 0 0 0 6px;
  border-left: 1px solid #5188a199;
}

.attribution a:hover {
  color: #d4f4ff;
}

.chat-button {
  position: absolute;
  bottom: 28px;
  right: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #f0fbff;
  background: linear-gradient(140deg,#138edf,#035391);
  border: 1px solid #b2e4ff;
  border-radius: 13px;
  padding: 9px;
  font-size: 10px;
  box-shadow: 0 0 0 4px #268acc1a,0 0 24px #268edc24,inset 0 1px #fff4;
}

.chat-button>span {
  display: none;
}

.chat-button:hover {
  background: #0c92d2;
  box-shadow: 0 0 0 4px #40b5ed33,0 0 24px #268edc55;
}

.icon-button {
  display: grid;
  place-items: center;
  padding: 6px;
  border-radius: 7px;
  color: #c0dde9;
}

.icon-button:hover {
  background: #70bcd035;
}

.popover-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.popover-heading>strong {
  font-size: 14px;
  font-weight: 500;
}

.layer-panel {
  position: absolute;
  right: 60px;
  bottom: 65px;
  z-index: 20;
  width: 230px;
  border-radius: 12px;
  padding: 16px;
}

.layer-panel label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 12px 0;
  font-size: 12px;
  color: #c5dce7;
}

.layer-panel label:last-child {
  padding-bottom: 2px;
}

.layer-panel input {
  accent-color: #25c1e6;
  width: 16px;
  height: 16px;
}

.detail {
  position: absolute;
  z-index: 15;
  top: 72px;
  right: 12px;
  bottom: 80px;
  width: var(--detail-width);
  padding: 8px;
  border-radius: 12px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #4a819777 transparent;
}

.detail-hero {
  height: clamp(150px,19dvh,212px);
  position: relative;
  border-radius: 9px;
  overflow: hidden;
  background: #184a5a;
}

.detail-hero>.heritage-photo {
  position: absolute;
  inset: 0;
}

.detail-hero>.heritage-photo>svg {
  width: 78px;
  height: 78px;
  opacity: .45;
}

.detail-hero::after {
  content: '';
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg,#062638e8,transparent 62%);
}

.photo-count {
  position: absolute;
  z-index: 1;
  top: 11px;
  left: 11px;
  padding: 4px 7px;
  border: 1px solid #e0f1f34d;
  border-radius: 20px;
  color: #edf7f5;
  background: #072a3c99;
  font-size: 9px;
  backdrop-filter: blur(8px);
}

.detail-hero>.eyebrow {
  position: absolute;
  z-index: 1;
  bottom: 14px;
  left: 14px;
  color: #f2f5e8;
  font-size: 8px;
  letter-spacing: 2px;
}

.detail-number {
  position: absolute;
  z-index: 1;
  bottom: 12px;
  right: 14px;
  color: #fff2ce;
  font-size: 21px;
  font-weight: 500;
  text-shadow: 0 2px 10px #0005;
}

.detail-close {
  position: absolute;
  z-index: 2;
  top: 9px;
  right: 9px;
  width: 29px;
  height: 29px;
  border-radius: 50%;
  color: #fff;
  background: #062b4699;
  border: 1px solid #daefff77;
  backdrop-filter: blur(8px);
}

.detail-close:hover {
  background: #063047;
}

.photo-strip {
  display: flex;
  gap: 5px;
  height: 40px;
  margin-top: 8px;
}

.photo-strip button {
  width: 45px;
  padding: 2px;
  border: 1px solid transparent;
  border-radius: 5px;
}

.photo-strip button.active {
  border-color: #39d5f5;
}

.photo-strip .heritage-photo {
  border-radius: 3px;
}

.photo-strip>a {
  margin-left: auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 5px;
  color: #8eb8ca;
  font-size: 7px;
  line-height: 1.6;
}

.photo-strip>a:hover {
  color: #d0eff9;
}

.detail-content {
  padding: 17px 8px 9px;
}

.detail-type {
  font-size: 9px;
  letter-spacing: 1px;
  color: #e1bb7d;
  text-transform: uppercase;
}

.detail h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.7px;
  line-height: 1.45;
  margin: 4px 0 8px;
}

.detail-content>p {
  font-size: 12px;
  line-height: 1.85;
  color: #bed3df;
  margin: 0 0 17px;
}

.story-source {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: -7px 0 18px;
  color: #94becb;
  font-size: 10px;
  line-height: 1.6;
}

.story-source:hover,.tour-source:hover {
  color: #f2d498;
}

.tour-source {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 5px;
  color: #a5c7ce;
  font-size: 10px;
}

.structure-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 10px 0 16px;
}

.structure-tabs button {
  font-size: 9px;
  border: 1px solid #4887a366;
  border-radius: 6px;
  padding: 8px;
  color: #adc8d6;
}

.structure-tabs button.active {
  background: #125d7c;
  border-color: #32c6e8;
  color: #e3f9ff;
}

.detail-actions {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 8px;
}

.primary-button,.secondary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 11px 8px;
  min-height: 44px;
  font-size: 11px;
  font-weight: 600;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg,#049ce5,#0764bd);
  border: 1px solid #57c6ff;
  box-shadow: 0 3px 13px #007fdf25,inset 0 1px #a5edff3b;
}

.primary-button:hover {
  background: linear-gradient(135deg,#04b2ef,#137acb);
}

.primary-button>span {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.primary-button small {
  font-size: 7px;
  font-weight: 400;
  color: #bfe5fc;
}

.secondary-button {
  background: linear-gradient(135deg,#dff5ff,#b7daee);
  color: #103b5e;
  border: 1px solid #dcf5ff;
  box-shadow: inset 0 1px #fff9;
}

.secondary-button:hover {
  background: #eefbff;
}

.detail-facts {
  margin: 12px 0 8px;
}

.detail-facts>div {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  border-top: 1px solid #82bad124;
  font-size: 10px;
  color: #a9c9d9;
}

.detail-facts svg {
  color: #c8e1ec;
}

.detail-facts>div>span {
  width: 55px;
  flex-shrink: 0;
}

.detail-facts strong {
  flex: 1;
  font-size: 10px;
  line-height: 1.7;
  font-weight: 400;
  color: #d8e9f3;
  white-space: pre-line;
}

.detail .location-note {
  font-size: 9px;
  line-height: 1.7;
  color: #cbb788;
  padding: 9px 10px;
  background: #b0863210;
  border-radius: 5px;
  margin: 0 0 15px;
}

.detail-sources {
  margin-top: 17px;
}

.detail-sources>.eyebrow {
  font-size: 8px;
}

.detail-sources a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  line-height: 1.6;
  color: #8dd5ed;
}

.detail-sources a:hover {
  color: #d6f6ff;
}

.heritage-message {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin: 18px -1px 0;
  padding: 14px 9px;
  border-radius: 9px;
  color: #acd9e7;
  background: radial-gradient(ellipse at bottom left,#2285a047,transparent 75%),#10465e77;
  border: 1px solid #3b93b044;
}

.heritage-message>span {
  font-size: 10px;
  line-height: 1.9;
  font-style: italic;
}

.heritage-message strong {
  font-weight: 500;
  color: #d6eef5;
}

.toast {
  position: absolute;
  z-index: 60;
  bottom: 91px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px 14px 18px;
  max-width: calc(100vw - 30px);
  border: 1px solid #64b4d0;
  border-radius: 11px;
  background: #0a3550f7;
  box-shadow: 0 10px 30px #00152580;
  color: #e6f5fc;
  font-size: 12px;
  line-height: 1.7;
}

.toast>svg {
  color: #71ddfa;
}

.toast>span {
  min-width: 200px;
}

.empty-text {
  padding: 20px;
  font-size: 12px;
  color: #a7c8d6;
}

.empty-state {
  padding: 35px 18px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  color: #96becf;
}

.empty-state>svg {
  padding: 9px;
  width: 52px;
  height: 52px;
  background: #285e7355;
  border-radius: 50%;
}

.empty-state b {
  font-size: 13px;
  color: #dbedf5;
  font-weight: 500;
}

.empty-state p {
  font-size: 11px;
  line-height: 1.8;
  margin: 0;
}

.empty-state button {
  font-size: 12px;
  color: #78ddf5;
  padding: 8px 12px;
  background: #14648655;
  border-radius: 7px;
}

.loading,.scene-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 15px;
  background: #082b4599;
  z-index: 5;
}

.loading strong,.scene-error strong {
  font-size: 15px;
  font-weight: 500;
  color: #e4f4fc;
}

.loading>span,.scene-error p {
  font-size: 11px;
  line-height: 1.8;
  color: #91bdcf;
  text-align: center;
}

.scene-error p {
  max-width: 340px;
}

.scene-error>svg {
  color: #a9dce8;
}

.scene-error button {
  border: 1px solid #31bee7;
  background: #17627f;
  border-radius: 7px;
  padding: 10px 20px;
  font-size: 12px;
}

.loading-ring {
  height: 42px;
  width: 42px;
  border: 2px solid #75d5ee1c;
  border-top-color: #5ad7f7;
  border-radius: 50%;
  animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.tour-tray {
  position: absolute;
  top: 72px;
  left: calc(var(--map-left) + (100% - var(--map-left) - var(--map-right))/2);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  width: min(440px,calc(100% - var(--map-left) - var(--map-right) - 92px));
  gap: 9px;
  padding: 13px 16px 12px;
  border-radius: 13px;
  border-color: #b9a37361;
  background: linear-gradient(145deg,#113b4bf2,#052638f7);
  z-index: 21;
}

.tour-heading,.tour-footer,.tour-playback {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-heading>.eyebrow {
  color: #dbbd87;
  font-size: 8px;
}

.tour-step {
  margin-left: auto;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: #ffe3ad;
}

.tour-step>span {
  font-size: 9px;
  color: #86a7b7;
}

.tour-caption>strong {
  font-size: 15px;
  line-height: 1.55;
  font-weight: 600;
  color: #f5f7ee;
}

.tour-caption>p {
  margin: 5px 0 0;
  font-size: 11px;
  color: #b0cbd7;
  line-height: 1.7;
}

.tour-footer {
  justify-content: space-between;
}

.tour-status {
  font-size: 9px;
  color: #93c7d0;
}

.is-paused .tour-status {
  color: #e2bf83;
}

.tour-playback {
  gap: 5px;
}

.tour-playback button {
  width: 31px;
  height: 30px;
}

.tour-playback button:disabled {
  opacity: .3;
  background: transparent;
}

.tour-pause {
  color: #ffe7b9;
  background: #d7ab5730;
  border: 1px solid #d9ba7259;
}

.tour-progress {
  display: flex;
  gap: 3px;
  width: 100%;
}

.tour-progress>span {
  flex: 1;
  height: 3px;
  background: #b2cbd426;
  overflow: hidden;
  border-radius: 3px;
}

.tour-progress i {
  display: block;
  height: 100%;
  background: #91bdc5;
  transform-origin: left;
}

.tour-progress .current i {
  background: #e6c081;
}

.modal-backdrop {
  position: absolute;
  z-index: 70;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 30px;
  background: #001a2bbb;
  backdrop-filter: blur(8px);
}

.source-modal {
  width: min(600px,100%);
  max-height: 88dvh;
  overflow-y: auto;
  border-radius: 18px;
  padding: 27px;
  scrollbar-width: thin;
}

.source-modal h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.5px;
  margin: 8px 0 0;
}

.source-modal>p {
  font-size: 12px;
  line-height: 1.9;
  color: #a8c6d6;
}

.data-stats {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 15px;
  margin: 24px 0;
}

.data-stats>div {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 13px;
  background: #24617b33;
  border-radius: 9px;
}

.data-stats strong {
  font-size: 27px;
  font-weight: 500;
  color: #a0e6ef;
  letter-spacing: -1px;
}

.data-stats span {
  font-size: 10px;
  color: #b1cfdc;
  line-height: 1.6;
}

.quality-note {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px;
  border: 1px solid #ae955742;
  border-radius: 9px;
  background: #b0913020;
  color: #d3c594;
}

.quality-note>svg {
  margin-top: 2px;
}

.quality-note p {
  margin: 0;
  font-size: 11px;
  line-height: 1.9;
}

.source-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.source-link>span {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.source-link strong {
  font-size: 12px;
  font-weight: 500;
  color: #b6e1f0;
}

.source-link small {
  font-size: 10px;
  line-height: 1.7;
  color: #89afc2;
}

.source-link:hover strong {
  color: #e7faff;
}

.source-modal .source-footnote {
  font-size: 10px;
  color: #84a8bb;
}

.mobile-only,.mobile-list-button,.sheet-handle {
  display: none;
}

@media(min-width:1600px) {
  .app {
    --explorer-width: 280px;
    --detail-width: 340px;
  }
  .explorer-heading {
    padding: 16px 15px 0;
  }
  .explorer-subtitle {
    margin-left: 15px;
    font-size: 11px;
  }
  .destination {
    gap: 11px;
    padding: 9px 7px;
    min-height: 68px;
  }
  .destination-visual {
    width: 49px;
    height: 46px;
  }
  .destination-text strong {
    font-size: 13px;
  }
  .destination-text small {
    font-size: 10px;
  }
  .detail {
    padding: 10px;
  }
  .detail-content {
    padding: 18px 10px 12px;
  }
  .detail h2 {
    font-size: 25px;
  }
  .detail-content>p {
    font-size: 13px;
  }
  .detail-facts>div,.detail-facts strong,.detail-sources a {
    font-size: 11px;
  }
  .detail-hero {
    height: clamp(180px,21dvh,245px);
  }
  .header {
    gap: 24px;
    padding: 0 20px;
  }
  .brand-copy strong {
    font-size: 16px;
  }
  .brand-copy small {
    font-size: 11px;
  }
  .header-search {
    max-width: 390px;
  }
  .header-actions {
    gap: 17px;
  }
  .tour-button,.header-exhibition {
    font-size: 12px;
    padding: 0 18px;
  }
}

@media(min-width:1920px) {
  .app {
    --explorer-width: 304px;
    --detail-width: 360px;
  }
  .explorer-heading {
    padding-left: 18px;
    padding-right: 18px;
  }
  .explorer-subtitle {
    margin-left: 18px;
  }
  .destination-list {
    padding-left: 10px;
    padding-right: 10px;
  }
}

@media(max-width:1250px) and (min-width:1001px) {
  .header {
    gap: 17px;
    padding: 0 19px;
  }
  .brand-copy strong {
    font-size: 14px;
  }
  .brand-copy small {
    font-size: 9px;
  }
  .brand-mark {
    width: 38px;
    height: 42px;
  }
  .header-actions {
    gap: 8px;
  }
  .header-exhibition {
    padding: 0 9px;
  }
  .header-exhibition span {
    display: none;
  }
  .header-search {
    max-width: 300px;
  }
  .search-hint {
    display: none;
  }
  .has-detail .bottom-toolbar button {
    padding: 10px;
  }
  .has-detail .bottom-toolbar button>span {
    display: none;
  }
  .chat-button>span {
    display: none;
  }
  .chat-button {
    padding: 11px;
  }
  .has-detail .map-hint {
    display: none;
  }
  .has-detail .map-bottom {
    justify-content: flex-start;
  }
}

@media(max-width:1000px) {
  .app {
    min-height: 0;
  }
  .header {
    height: var(--header-height);
    padding: 0 12px;
    gap: 10px;
  }
  .brand {
    gap: 9px;
    min-width: 0;
    flex-shrink: 1;
  }
  .brand-mark {
    flex-shrink: 0;
    width: 33px;
    height: 38px;
    padding-top: 5px;
    border-radius: 11px 11px 18px 18px;
  }
  .brand-mark>svg {
    width: 25px;
    height: 25px;
  }
  .brand-copy {
    gap: 5px;
    min-width: 0;
  }
  .brand-copy strong {
    font-size: 10px;
    letter-spacing: -.25px;
    white-space: normal;
    max-width: 160px;
    line-height: 1.4;
  }
  .brand-copy strong>span {
    display: block;
    font-size: 14px;
  }
  .brand-copy small {
    display: none;
  }
  .header-search,.header-exhibition,.language {
    display: none;
  }
  .header-actions {
    margin-left: auto;
    gap: 9px;
  }
  .tour-button {
    padding: 0;
    height: 31px;
    width: 31px;
  }
  .tour-button>span {
    display: none;
  }
  .mode-switch {
    padding: 2px;
  }
  .mode-switch button {
    padding: 6px 9px;
    font-size: 10px;
  }
  .map-area,.has-detail .map-area {
    left: 0;
    right: 0;
    top: var(--header-height);
    bottom: 22px;
  }
  .has-detail .map-area {
    bottom: calc(var(--detail-height) + 84px);
  }
  .scene-heading,.explorer-collapsed .scene-heading {
    left: 14px;
    top: 15px;
  }
  .scene-heading h2 {
    font-size: 27px;
    margin-top: 7px;
  }
  .scene-heading>.eyebrow {
    font-size: 7px;
    letter-spacing: 1.6px;
  }
  .scene-heading h2>span {
    font-size: 8px;
  }
  .scene-heading p {
    font-size: 9px;
  }
  .north-control {
    right: 14px;
    top: 14px;
    gap: 4px;
  }
  .north-control>svg {
    width: 28px;
    height: 28px;
  }
  .scene-controls {
    right: 12px;
    bottom: 106px;
    padding: 2px;
    border-radius: 9px;
  }
  .scene-controls button {
    width: 34px;
    height: 38px;
  }
  .map-bottom {
    left: auto;
    right: 12px;
    bottom: 67px;
    gap: 5px;
  }
  .map-hint {
    font-size: 8px;
    gap: 5px;
  }
  .map-hint>svg {
    width: 12px;
  }
  .map-hint>span {
    gap: 5px;
  }
  .data-status {
    font-size: 8px;
    padding: 6px;
    gap: 5px;
  }
  .scene-marker .marker-number {
    width: 28px;
    height: 31px;
    font-size: 11px;
  }
  .scene-marker .marker-name {
    font-size: 10px;
    white-space: nowrap;
  }
  .place-label {
    font-size: 9px;
  }
  .explorer {
    display: none;
    left: 10px;
    right: 10px;
    top: auto;
    bottom: 76px;
    width: auto;
    max-height: calc(100dvh - 148px);
    height: 72dvh;
    z-index: 40;
    border-radius: 18px;
    background: linear-gradient(145deg,#0e3c56fa,#042b43fc);
    box-shadow: 0 -15px 60px #00182780;
  }
  .explorer.mobile-open {
    display: flex;
  }
  .explorer-collapse,.explorer-reopen {
    display: none;
  }
  .sheet-handle {
    display: block;
    flex-shrink: 0;
    width: 31px;
    height: 3px;
    border-radius: 5px;
    background: #8ebdd069;
    margin: 8px auto 0;
  }
  .explorer-heading {
    padding: 8px 15px 0;
  }
  .explorer-heading .eyebrow {
    font-size: 8px;
  }
  .explorer h1 {
    font-size: 18px;
    margin-top: 0;
  }
  .explorer-subtitle {
    margin: 4px 15px 12px;
    font-size: 11px;
  }
  .mobile-only {
    display: grid;
  }
  .sidebar-search {
    display: flex;
    margin: 0 17px 13px;
    padding: 11px 12px;
    border-radius: 9px;
  }
  .sidebar-search input {
    font-size: 13px;
  }
  .filters {
    padding: 0 12px 12px;
    gap: 3px;
  }
  .filters button {
    font-size: 10px;
    padding: 7px 4px;
  }
  .list-heading {
    margin-top: 12px;
  }
  .destination {
    min-height: 62px;
    padding: 7px 9px;
    gap: 10px;
  }
  .destination-visual {
    width: 48px;
    height: 44px;
  }
  .destination-text strong {
    font-size: 13px;
  }
  .destination-text small {
    font-size: 10px;
    gap: 6px;
  }
  .explorer-footer {
    margin: 4px 13px 12px;
    padding: 12px;
  }
  .explorer-footer strong {
    font-size: 11px;
  }
  .explorer-footer small {
    font-size: 8px;
  }
  .bottom-toolbar,.has-detail .bottom-toolbar {
    bottom: 24px;
    left: 50%;
    padding: 2px;
    gap: 1px;
    border-radius: 10px;
  }
  .bottom-toolbar button {
    padding: 12px 11px;
  }
  .bottom-toolbar button>span {
    display: none;
  }
  .bottom-toolbar button>svg {
    width: 18px;
    height: 18px;
  }
  .toolbar-separator {
    height: 19px;
    margin: 0;
  }
  .mobile-list-button {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 9px;
    left: 12px;
    width: 44px;
    bottom: 24px;
    height: 44px;
    z-index: 42;
    background: linear-gradient(135deg,#1784ad,#07577c);
    border: 1px solid #7cd5ef;
    box-shadow: 0 4px 20px #00233b55,inset 0 1px #cffbff26;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 500;
  }
  .mobile-list-button>span {
    position: absolute;
    top: 1px;
    right: 1px;
    padding: 1px 3px;
    border-radius: 4px;
    background: #82d6ee1c;
    font-size: 8px;
  }
  .mobile-list-button>svg {
    width: 18px;
  }
  .chat-button {
    width: 44px;
    height: 44px;
    padding: 0;
    bottom: 24px;
    right: 12px;
    border-radius: 12px;
  }
  .chat-button>span {
    display: none;
  }
  .attribution {
    left: 16px;
    bottom: 8px;
    font-size: 6px;
    gap: 5px;
  }
  .detail {
    top: auto;
    bottom: 76px;
    left: 10px;
    right: 10px;
    width: auto;
    height: var(--detail-height);
    z-index: 25;
    padding: 0 0 9px;
    border: 0;
    border-radius: 17px;
    background: linear-gradient(140deg,#0b3b53fa,#032a41fc);
  }
  .detail-header > .sheet-handle {
    position: absolute;
    top: 8px;
    left: 50%;
    margin: 0;
    transform: translateX(-50%);
    pointer-events: none;
  }
  .detail-hero {
    height: 100px;
    border-radius: 0;
  }
  .detail-hero > .heritage-photo::after {
    box-shadow: none;
  }
  .detail-hero>.eyebrow {
    font-size: 8px;
  }
  .detail-number {
    font-size: 23px;
  }
  .detail-close {
    top: 9px;
    right: 9px;
  }
  .photo-strip {
    height: 34px;
  }
  .photo-strip button {
    width: 51px;
  }
  .photo-strip>a {
    font-size: 7px;
  }
  .detail-content {
    padding: 10px 17px 8px;
  }
  .detail h2 {
    font-size: 21px;
  }
  .detail-content>p {
    font-size: 12px;
  }
  .detail-actions {
    grid-template-columns: 1.15fr 1fr;
  }
  .primary-button,.secondary-button {
    font-size: 12px;
    min-height: 46px;
  }
  .primary-button small {
    font-size: 8px;
  }
  .detail-facts>div,.detail-facts strong {
    font-size: 11px;
  }
  .detail-facts>div>span {
    width: 60px;
  }
  .detail .location-note {
    font-size: 10px;
  }
  .detail-sources a {
    font-size: 11px;
  }
  .heritage-message>span {
    font-size: 11px;
  }
  .has-detail .scene-controls {
    top: 15px;
    bottom: auto;
    right: 16px;
  }
  .has-detail .north-control {
    display: none;
  }
  .has-detail .map-bottom {
    display: none;
  }
  .layer-panel,.has-detail .layer-panel {
    position: fixed;
    top: 72px;
    bottom: auto;
    right: 59px;
    z-index: 55;
    width: 219px;
    padding: 15px;
  }
  .layer-panel label {
    font-size: 12px;
  }
  .toast {
    bottom: 80px;
    width: calc(100% - 26px);
    font-size: 11px;
    padding: 12px;
  }
  .toast>span {
    min-width: 0;
  }
  .tour-tray {
    top: 70px;
    left: 12px;
    right: 65px;
    width: auto;
    transform: none;
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 7px 8px;
    padding: 9px 10px;
  }
  .tour-heading,.tour-progress {
    grid-column: 1 / -1;
  }
  .tour-heading .icon-button {
    padding: 2px 4px;
  }
  .tour-caption {
    min-width: 0;
  }
  .tour-caption>strong {
    display: block;
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .tour-caption>p,.tour-caption>.tour-source,.tour-status {
    display: none;
  }
  .tour-playback {
    gap: 2px;
  }
  .tour-playback button {
    width: 27px;
    height: 27px;
  }
  .modal-backdrop {
    padding: 12px;
  }
  .source-modal {
    padding: 22px 17px;
    max-height: 86dvh;
  }
  .source-modal h2 {
    font-size: 19px;
  }
  .data-stats {
    gap: 8px;
  }
  .data-stats>div {
    padding: 10px 8px;
  }
  .data-stats strong {
    font-size: 21px;
  }
  .data-stats span {
    font-size: 8px;
  }
}

@media(max-height:730px) and (min-width:1001px) {
  .explorer-heading {
    padding-top: 10px;
  }
  .explorer-subtitle {
    margin-bottom: 12px;
  }
  .explorer-footer {
    padding: 10px;
  }
  .detail-hero {
    height: 112px;
  }
  .detail-content {
    padding-top: 10px;
  }
  .detail h2 {
    font-size: 20px;
  }
}

.attribution {
  flex-wrap: wrap;
  max-width: calc(100% - 36px);
  line-height: 1.5;
  row-gap: 1px;
}

@media(min-width:1001px) {
  .filters {
    gap: 2px;
  }
  .filters button {
    font-size: 9px;
    padding: 7px 4px;
  }
}

@media(max-width:1000px) {
  .attribution {
    font-size: 5.5px;
    column-gap: 4px;
    max-width: calc(100% - 32px);
    bottom: 6px;
  }
  .photo-strip>a {
    font-size: 7px;
  }
}

@media(max-width:370px) {
  .brand-copy strong {
    font-size: 10px;
  }
  .brand-copy strong>span {
    font-size: 13px;
  }
  .header {
    padding: 0 12px;
  }
  .header-actions {
    gap: 6px;
  }
}

/* Keep the tour below the focused pin and directly above the portrait detail sheet. */
@media(max-width:599px) and (orientation:portrait) {
  .has-detail .tour-tray {
    top: auto;
    bottom: calc(var(--detail-height) + 88px);
    left: 12px;
    right: 12px;
    gap: 6px 8px;
    padding: 8px 10px;
  }
  .has-detail .scene-heading {
    display: none;
  }
}

/* Short landscape screens keep details alongside the scene instead of above the controls. */
@media(min-width:600px) and (max-width:1000px) and (max-height:600px) {
  .app {
    --map-right: 0px;
  }
  .has-detail {
    --map-right: 288px;
  }
  .has-detail .map-area {
    right: var(--map-right);
    bottom: 22px;
  }
  .detail {
    top: 70px;
    left: auto;
    right: 10px;
    bottom: 76px;
    width: 268px;
    height: auto;
  }
  .bottom-toolbar,.has-detail .bottom-toolbar {
    left: calc((100% - var(--map-right))/2);
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior: auto!important;
    transition: none!important;
  }
  .loading-ring {
    animation: none;
  }
}


/* ======================================================================
   Bổ sung riêng cho Bandoso Hải An (không có trong bản gốc của đội 3D)
   ====================================================================== */
html,
body.hai-an-body {
  height: 100%;
}

body.hai-an-body {
  margin: 0;
  overflow: hidden;
  background: #062037;
}

.no-script {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 24px;
  color: #e6f5fc;
  font-size: 14px;
  text-align: center;
}

/* Intro: ảnh lấy từ cấu hình Nền Globe (desktop/tablet/mobile) */
.intro {
  position: fixed;
  inset: 0;
  z-index: 200;
  height: 100dvh;
  display: block;
  overflow: hidden;
  transition: opacity .6s ease, visibility .6s;
}

.intro.is-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-picture,
.intro-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

/* Nền phủ kín màn hình theo tỷ lệ ảnh, giữ tâm khi cắt mép. */
.intro-image {
  object-fit: cover;
  object-position: center;
}

/* Keep live Vietnamese type aligned with the centered cover crop of each banner. */
@font-face {
  font-family: 'Itim';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/itim/Itim-Regular-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}

@font-face {
  font-family: 'Itim';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/itim/Itim-Regular-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

.intro-type-canvas {
  --intro-canvas-width: max(100vw,177.7778dvh);
  --intro-canvas-height: max(100dvh,56.25vw);
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  width: var(--intro-canvas-width);
  height: var(--intro-canvas-height);
  display: none;
  transform: translate(-50%,-50%);
  pointer-events: none;
}

.intro-type-canvas.enabled-desktop {
  display: block;
}

.intro-type-canvas .intro-heading {
  position: absolute;
  left: 13.3%;
  top: 26%;
  width: 36.4%;
  color: #f6ebdd;
  font-family: 'Be Vietnam Pro',system-ui,sans-serif;
  font-style: normal;
  font-synthesis: none;
  text-align: center;
}

.intro-type-canvas .intro-eyebrow {
  margin: 0;
  color: #d8c6a6;
  font-size: calc(var(--intro-canvas-width) * .013);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: .08em;
  white-space: nowrap;
}

.intro-type-canvas .intro-title {
  margin: calc(var(--intro-canvas-width) * .012) 0 0;
  color: #e9bd61;
  font-size: calc(var(--intro-canvas-width) * .08);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  white-space: nowrap;
}

.intro-type-canvas .intro-subtitle {
  margin: calc(var(--intro-canvas-width) * .002) 0 0;
  color: #f6ebdd;
  font-family: 'Itim','Be Vietnam Pro',system-ui,sans-serif;
  font-size: calc(var(--intro-canvas-width) * .027);
  font-style: normal;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .03em;
  white-space: nowrap;
  transform: none;
}

.intro-type-canvas .intro-heritage-art {
  position: absolute;
  left: -2%;
  top: 71%;
  width: 46%;
  height: 27%;
  display: block;
  object-fit: contain;
  object-position: left bottom;
  opacity: .78;
}

@media(max-width:1100px) {
  .intro-type-canvas .intro-heritage-art {
    display: none;
  }
}

@media(max-width:1100px) and (orientation:portrait) {
  .intro-type-canvas {
    --intro-canvas-width: max(100vw,65.6664dvh);
    --intro-canvas-height: max(100dvh,152.2849vw);
  }

  .intro-type-canvas.enabled-desktop,
  .intro-type-canvas.enabled-tablet,
  .intro-type-canvas.enabled-mobile {
    display: none;
  }

  .intro-type-canvas.enabled-tablet {
    display: block;
  }

  /* Trên máy thật, thanh địa chỉ/thanh công cụ trình duyệt làm màn hình thấp hơn ảnh nên ảnh cover bị cắt
     mép trên (nửa phần dư); đẩy cụm chữ xuống vừa đủ nằm trong vùng nhìn thấy, khi không bị cắt thì giữ nguyên. */
  .intro-type-canvas .intro-heading {
    --intro-heading-top: 9%;
    left: 14%;
    top: max(var(--intro-heading-top),calc((var(--intro-canvas-height) - 100dvh) / 2 + env(safe-area-inset-top,0px) + 24px));
    width: 72%;
    text-align: center;
  }

  .intro-type-canvas .intro-eyebrow {
    font-size: calc(var(--intro-canvas-width) * .023);
  }

  .intro-type-canvas .intro-title {
    margin-top: calc(var(--intro-canvas-width) * .028);
    font-size: calc(var(--intro-canvas-width) * .17);
    line-height: 1.05;
  }

  .intro-type-canvas .intro-subtitle {
    margin-top: calc(var(--intro-canvas-width) * .003);
    font-size: calc(var(--intro-canvas-width) * .055);
  }

}

@media(max-width:580px) and (orientation:portrait) {
  .intro-type-canvas {
    --intro-canvas-width: max(100vw,46.2085dvh);
    --intro-canvas-height: max(100dvh,216.4103vw);
  }

  .intro-type-canvas.enabled-desktop,
  .intro-type-canvas.enabled-tablet,
  .intro-type-canvas.enabled-mobile {
    display: none;
  }

  .intro-type-canvas.enabled-mobile {
    display: block;
  }

  .intro-type-canvas .intro-heading {
    --intro-heading-top: 9.5%;
    left: 12%;
    width: 76%;
  }

  .intro-type-canvas .intro-eyebrow {
    font-size: calc(var(--intro-canvas-width) * .025);
  }

  .intro-type-canvas .intro-title {
    margin-top: calc(var(--intro-canvas-width) * .028);
  }

  .intro-type-canvas .intro-subtitle {
    margin-top: calc(var(--intro-canvas-width) * .003);
    font-size: calc(var(--intro-canvas-width) * .06);
  }

}

.intro-content {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: max(20px,calc(env(safe-area-inset-bottom) + 12px));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: max-content;
  max-width: calc(100% - 32px);
}

.intro-enter {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px 11px 24px;
  border: 1px solid #9be9ff;
  border-radius: 30px;
  color: #fff;
  background: linear-gradient(135deg,#0c8ad4,#005697);
  box-shadow: 0 0 0 6px #37d1f42b,0 12px 34px #00182c80;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  transition: box-shadow .4s, background .2s;
}

/* Tiến độ tải cảnh phía sau: nền nút sáng dần từ trái sang phải (--intro-progress 0..1). */
.intro-enter::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg,#39d0f5,#7fe3ff);
  opacity: .42;
  transform: scaleX(var(--intro-progress,0));
  transform-origin: left center;
}

.intro-enter:hover {
  background: linear-gradient(135deg,#14a0ea,#0868b0);
}

.intro-enter.is-ready {
  box-shadow: 0 0 0 6px #37d1f44d,0 0 28px #37d1f470,0 12px 34px #00182c80;
}

.intro-enter.is-ready::before {
  opacity: .28;
}

.intro-count {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid #ffffff59;
  border-radius: 50%;
  background: #ffffff26;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

/* Trạng thái tải chỉ dành cho trình đọc màn hình (người xem thấy qua thanh trên nút và tooltip). */
.intro-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media(max-width:600px) {
  .intro-content {
    bottom: max(64px,calc(env(safe-area-inset-bottom) + 56px));
  }

  .intro-enter {
    padding: 10px 10px 10px 18px;
    font-size: 13px;
  }
}

@media(max-height:450px) {
  .intro-content {
    bottom: max(12px,calc(env(safe-area-inset-bottom) + 8px));
  }

  .intro-enter {
    padding: 6px 8px 6px 16px;
    gap: 8px;
    font-size: 12px;
  }

  .intro-count {
    width: 26px;
    height: 26px;
    font-size: 12px;
  }
}

/* Hai sân khấu 2D/3D dùng chung vùng bản đồ của giao diện Hải An.
   Hai class để thắng .mapboxgl-map { position: relative } của mapbox-gl.css (nạp sau). */
.map-area .map2d-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #0b3550;
}

.scene-stage,
.map2d-stage {
  transition: opacity .25s;
}

.stage-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.map2d-stage .mapboxgl-canvas {
  outline: none;
}

.map2d-stage .mapboxgl-ctrl-bottom-left {
  bottom: 30px;
}

.map2d-stage .mapboxgl-ctrl-bottom-right {
  bottom: 28px;
}

.map2d-stage .mapboxgl-ctrl-attrib {
  font-size: 9px;
}

.mode-2d .attribution-3d {
  display: none;
}

/* Marker 2D theo cùng phong cách marker 3D của Hải An */
.map-marker {
  position: relative;
  display: block;
  width: 28px;
  height: 36px;
  padding: 0;
  cursor: pointer;
}

.map-marker .marker-number {
  position: absolute;
  left: 0;
  top: 0;
}

.map-marker .marker-icon {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  pointer-events: none;
}

.map-marker .marker-name {
  position: absolute;
  left: 34px;
  top: 3px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.map-marker:hover,
.map-marker.selected,
.map-marker.is-hovered {
  z-index: 3;
}

.map-marker:hover .marker-number,
.map-marker.selected .marker-number,
.map-marker.is-hovered .marker-number {
  color: #66320a;
  background: linear-gradient(145deg,#ffe8b0,#ffc16a);
  box-shadow: 0 0 0 5px #fff2bd21,0 0 22px #efb04288;
  border-color: #fff4d8;
}

.map-marker.selected .marker-name,
.map-marker.is-hovered .marker-name {
  color: #ffdfac;
  border-color: #dbb76e88;
  background: #103b4dec;
}

.map-marker.name-hidden .marker-name {
  display: none;
}

.map-marker.context-muted:not(:hover):not(.is-hovered):not(.selected) {
  opacity: .4;
}

/* Nhóm ghim 2D khi zoom xa (Mapbox2DAdapter.updateClusters): ghim trong nhóm ẩn, thay bằng vòng tròn đếm số
   địa điểm như mẫu Hải Phòng. Không đặt transform ở đây: Mapbox dùng transform để định vị marker. */
.map-marker.clustered {
  display: none;
}

.map-cluster {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #3db5ea;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 3px 10px #00213a59;
  cursor: pointer;
}

.map-cluster.is-large {
  width: 46px;
  height: 46px;
  font-size: 16px;
}

.map-cluster:hover,
.map-cluster.is-hovered {
  z-index: 3;
  background: #1f9fd8;
  box-shadow: 0 0 0 5px #3db5ea40,0 3px 12px #00213a73;
}

.map-cluster.context-muted:not(:hover):not(.is-hovered) {
  opacity: .55;
}

/* Bảng lớp: nút lớp mang phong cách Hải An, ở 2D dùng để đổi lớp bản đồ nền */
.layer-section-title {
  margin: 4px 0 8px;
  font-size: 9px;
  letter-spacing: 1.4px;
  color: #89acbd;
}

.basemap-list {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 8px;
  margin-bottom: 6px;
}

.basemap-option {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 5px;
  border: 1px solid #5c9fbd33;
  border-radius: 9px;
  color: #cfe3ed;
  background: #163c536b;
  font-size: 11px;
  text-align: left;
}

.basemap-option img,
.basemap-option .basemap-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 6px;
  object-fit: cover;
  background: linear-gradient(145deg,#244e5b,#133441);
}

.basemap-option.active {
  border-color: #35d7fd;
  box-shadow: inset 0 0 0 1px #35d7fd;
  color: #fff;
}

.basemap-option:hover:not(.active) {
  background: #1f526b;
}

/* Lớp phủ tour VR360 / bài viết, giữ nguyên trạng thái bản đồ phía sau */
.vr-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: #020f19;
}

.vr-overlay[hidden] {
  display: none;
}

/* VR360: thanh riêng phía trên (nút quay lại + tên địa điểm) cùng màu header; viewer nằm bên dưới thanh
   nên không che nút nào của viewer (menu, bản đồ, toàn màn hình… ở các góc). */
.vr-overlay {
  --vr-bar: calc(52px + env(safe-area-inset-top));
}

.vr-overlay iframe {
  position: absolute;
  inset: var(--vr-bar) 0 0;
  width: 100%;
  height: calc(100% - var(--vr-bar));
  border: 0;
  background: #020f19;
}

.vr-toolbar {
  position: absolute;
  z-index: 2;
  inset: 0 0 auto;
  height: var(--vr-bar);
  padding: env(safe-area-inset-top) 16px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid #64b3d326;
  background: linear-gradient(110deg,#06283f,#0a3552 55%,#062239);
}

.vr-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: #e9f8ff;
}

.vr-back {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px 0 10px;
  border: 1px solid #9be9ffaa;
  border-radius: 22px;
  color: #e9f8ff;
  background: linear-gradient(135deg,#0b3b57f2,#03283df2);
  font-size: 13px;
  font-weight: 600;
}

.vr-back:hover {
  background: #0b6483;
}

.vr-loading {
  position: absolute;
  inset: var(--vr-bar) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #cfe8f3;
  font-size: 13px;
  pointer-events: none;
}

.vr-overlay.is-loaded .vr-loading {
  display: none;
}

.admin-banner {
  position: absolute;
  z-index: 30;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 24px);
  padding: 9px 14px;
  border: 1px solid #64b4d0;
  border-radius: 9px;
  color: #e6f5fc;
  background: #0a3550f7;
  font-size: 12px;
  text-align: center;
}

.destination-text .outside-scene {
  color: #e1bb7d;
}

/* Ngôn ngữ đang chọn và menu VI/EN gọn trong thanh trên. */
.header.language-menu-open {
  z-index: 45;
}

.language-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.language-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid #36bfe0a1;
  border-radius: 22px;
  background: #00284099;
  box-shadow: inset 0 0 12px #1caada14;
  font-size: 11px;
  font-weight: 600;
  color: #edf8ff;
  white-space: nowrap;
}

.language-trigger:hover,
.language-trigger[aria-expanded="true"] {
  background: #0b6483;
  border-color: #52e3ff;
}

.language-switch img {
  display: block;
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 0 0 1px #ffffff40;
  pointer-events: none;
}

.language-trigger>svg {
  width: 12px;
  height: 12px;
  color: #a8d7e8;
}

.language-menu {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  gap: 2px;
  min-width: 140px;
  max-width: calc(100vw - 24px);
  padding: 4px;
  border: 1px solid #54bdd77a;
  border-radius: 12px;
  background: #082b45fa;
  box-shadow: 0 8px 24px #00162666;
}

.language-menu[hidden] {
  display: none;
}

.language-option {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  color: #b9d7e5;
  text-align: left;
  white-space: nowrap;
}

.language-option img {
  width: 24px;
  height: 16px;
}

.language-option>svg {
  width: 15px;
  height: 15px;
  margin-left: auto;
  color: #b2f1ff;
}

.language-option:hover {
  background: #164b66;
  color: #fff;
}

.language-option[aria-checked="true"] {
  background: #0b6483;
  color: #fff;
}

.language-trigger:focus,
.language-option:focus {
  outline: none;
}

.language-trigger:focus-visible,
.language-option:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 1px #7ee5fa;
}

.language-trigger:disabled,
.language-option:disabled {
  cursor: wait;
  opacity: .65;
}

@media(max-width:1000px) {
  .language-trigger {
    gap: 5px;
    height: 31px;
    padding: 0 7px;
  }
}

/* Chỉ ở 2D: tiêu đề nằm trên bản đồ sáng nên cần nền tối để đọc được (3D giữ nguyên bản gốc) */
.mode-2d .scene-heading {
  padding: 9px 14px 6px;
  border: 1px solid #43a7ca40;
  border-radius: 11px;
  background: #062239d9;
  backdrop-filter: blur(6px);
}

/* Bản đồ 2D luôn hướng bắc lên trên: la bàn không có tác dụng (về toàn cảnh đã có ở thanh công cụ). */
.mode-2d .north-control {
  display: none;
}

/* Header nổi trên bản đồ: chỉ các cụm điều khiển có nền, khoảng trống cho phép kéo bản đồ. */
.header {
  background: transparent;
  pointer-events: none;
}

.header > .brand,
.header > .header-search,
.header-actions > * {
  pointer-events: auto;
}

.header .brand .brand-name {
  font-weight: 700;
  letter-spacing: -.2px;
  color: #f6fbff;
  text-shadow: 0 1px 2px #001523, 0 0 6px #001523cc;
}

.mode-2d .header .brand .brand-name {
  color: #10384e;
  text-shadow: 0 1px 0 #ffffffef, 0 0 5px #ffffffcc;
}

.header .tour-button,
.header .header-exhibition,
.header .language-trigger {
  background: #052b42e6;
  box-shadow: inset 0 0 12px #1caada14, 0 4px 12px #00172526;
  backdrop-filter: blur(8px);
}

.header .tour-button:hover,
.header .tour-button.active,
.header .header-exhibition:hover,
.header .language-trigger:hover,
.header .language-trigger[aria-expanded="true"] {
  background: #0b6483;
}

/* Bản đồ 2D/3D phủ kín màn hình, kể cả phía sau header. .map-area giữ các vị trí tiêu đề/nút
   bên dưới header; setViewInsets tính phần bị che để camera canh giữa vùng bản đồ nhìn thấy. */
.map-area .scene-stage,
.map-area .map2d-stage {
  position: fixed;
  inset: 0;
}

.attribution {
  padding: 3px 8px;
  border-radius: 6px;
  background: #032136a8;
  backdrop-filter: blur(4px);
}

.attribution:empty {
  display: none;
}

/* ======================================================================
   Bố cục toàn màn hình (sau khi bỏ khung viền). Desktop: lề 16px đồng nhất.
   Mobile giữ đúng số đo của hai-an (ngăn kéo dưới, thanh công cụ cách đáy 24px), cộng vùng an toàn.
   ====================================================================== */
.map-area {
  top: var(--header-height);
  bottom: 0;
}

@media(min-width:1001px) {
  .explorer,
  .explorer-reopen {
    top: calc(var(--header-height) + 12px);
  }
  .explorer {
    bottom: 16px;
  }
  /* Panel chi tiết bên phải, cùng mép trên với danh sách. */
  .detail {
    top: calc(var(--header-height) + 12px);
    bottom: 76px;
  }
  .scene-heading {
    top: 12px;
  }
  /* Vùng bản đồ bắt đầu cách mép phải danh sách đúng 12px (bằng lề ngoài); khi thu gọn thì cách mép
     màn hình 12px, thẳng với nút "Di tích". Tiêu đề, chú giải và logo bản đồ bám mép đó. */
  .app {
    --map-left: calc(var(--explorer-width) + 24px);
  }
  .app.explorer-collapsed {
    --map-left: 12px;
  }
  .scene-heading,
  .explorer-collapsed .scene-heading {
    left: 0;
  }
  .explorer-collapsed .scene-heading {
    top: 64px;
  }
  /* Thanh công cụ canh giữa màn hình, sát đáy. */
  .bottom-toolbar {
    left: 50%;
    bottom: 16px;
  }
  .chat-button {
    right: 16px;
    bottom: 16px;
  }
  .tour-tray {
    top: calc(var(--header-height) + 12px);
    left: 50%;
  }
  .toast {
    bottom: 80px;
  }
  /* Bảng lớp mở bên trái cụm nút, thẳng mép trên. */
  .layer-panel {
    top: 12px;
    right: 54px;
    bottom: auto;
  }
}

/* Cụm điều khiển bản đồ ở góc trên phải, chung một khung: la bàn (chỉ 3D), phóng to, thu nhỏ, lớp hiển thị.
   Góc dưới phải chỉ còn nút chat. */
.map-controls {
  position: absolute;
  z-index: 4;
  top: 12px;
  right: 4px;
  display: flex;
  flex-direction: column;
  padding: 3px;
  border: 1px solid #ccecff;
  border-radius: 11px;
  background: linear-gradient(145deg,#effaff,#b3dce9);
  box-shadow: 0 6px 24px #00172e66;
}

.map-controls .scene-controls {
  position: static;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

/* La bàn là nút đầu của khung, cùng cỡ với nút phóng to; vạch ngăn như giữa thu nhỏ và lớp hiển thị. */
.map-controls .north-control {
  position: relative;
  inset: auto;
  width: 32px;
  height: 34px;
  margin-bottom: 5px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #173e59;
}

.map-controls .north-control::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  bottom: -3px;
  height: 1px;
  background: #4d8fab44;
}

.map-controls .north-control:hover {
  color: #00658f;
  background: #8ccde499;
}

.map-controls .north-control svg {
  width: 22px;
  height: 22px;
  filter: none;
  stroke-width: 1.65;
}

.mode-2d .map-controls .north-control {
  display: none;
}

/* Logo Mapbox và nút bản quyền "i" nằm cùng một hàng, thẳng mép trái và mép đáy với danh sách. */
.map2d-stage .mapboxgl-ctrl-bottom-left {
  left: var(--map-left);
  bottom: 16px;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 6px;
}

.map2d-stage .mapboxgl-ctrl-bottom-left .mapboxgl-ctrl {
  float: none;
  clear: none;
  margin: 0;
}

.map2d-stage .mapboxgl-ctrl-bottom-right {
  bottom: 12px;
}

/* Ẩn logo Mapbox và nút bản quyền "i" trên nền 2D theo yêu cầu (như bandoso_haiphong);
   ghi nguồn Mapbox / OpenStreetMap nằm trong bảng "Nguồn" (nút ⓘ của thanh công cụ). */
.map2d-stage .mapboxgl-ctrl-logo,
.map2d-stage .mapboxgl-ctrl-attrib {
  display: none !important;
}

@media(max-width:1000px) {
  .bottom-toolbar,
  .has-detail .bottom-toolbar,
  .mobile-list-button,
  .chat-button {
    bottom: calc(24px + env(safe-area-inset-bottom));
  }
  .detail,
  .explorer {
    bottom: calc(76px + env(safe-area-inset-bottom));
  }
  .toast {
    bottom: calc(80px + env(safe-area-inset-bottom));
  }
  /* Cùng hàng với tiêu đề (top 15px của hai-an), thẳng mép phải với nút chat. */
  .map-controls {
    top: 15px;
    right: 12px;
    padding: 2px;
    border-radius: 9px;
  }
  .map-controls .north-control {
    width: 34px;
    height: 38px;
  }
  .has-detail .map-controls .north-control {
    display: none;
  }
  .map2d-stage .mapboxgl-ctrl-bottom-left {
    left: 8px;
    bottom: calc(80px + env(safe-area-inset-bottom));
  }
}

/* Popup chi tiết trên màn hình dọc: nâng mép trên và dành thêm chiều cao cho ảnh di tích. */
@media(max-width:1000px) and (orientation:portrait) {
  .app {
    --detail-height: min(52dvh, 440px);
  }
  .detail-hero {
    height: clamp(140px, 22dvh, 180px);
  }
}

/* Ghim 2D/3D không hiện số thứ tự (dữ liệu Bandoso không có thứ tự cố định): icon danh mục hoặc icon đình
   chùa nằm giữa phần tròn của ghim. */
.marker-number > svg {
  width: 15px;
  height: 15px;
  margin-top: -2px;
}

.scene-marker .marker-number > .marker-icon {
  width: 20px;
  height: 20px;
  margin-top: -2px;
  border-radius: 50%;
  object-fit: cover;
  pointer-events: none;
}

/* An uploaded category marker is already a complete pin, including its tip. */
:is(.map-marker, .scene-marker) .marker-number:has(> .marker-icon--pin) {
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

:is(.map-marker, .scene-marker) .marker-number:has(> .marker-icon--pin)::after {
  display: none;
}

.map-marker .marker-icon--pin,
.scene-marker .marker-number > .marker-icon--pin {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 36px;
  margin: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 2px 2px #082a4055);
}

:is(.map-marker, .scene-marker):is(:hover, .selected, .is-hovered) .marker-icon--pin {
  filter: drop-shadow(0 0 5px #ffc569aa);
}

/* Nút đóng (X): khung vuông/tròn đều, dấu X đúng tâm. */
.detail-close {
  padding: 0;
}

/* Khung và nút đóng giữ nguyên vị trí; chỉ ảnh và nội dung bên trong cuộn. */
.detail {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail[hidden] {
  display: none;
}

.detail-header {
  position: relative;
  z-index: 3;
  display: flex;
  flex-shrink: 0;
  height: 0;
}

.detail-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: inherit;
  scrollbar-color: inherit;
}

@media(max-width:1000px) {
  .detail-scroll {
    scrollbar-width: none;
  }
  .detail-scroll::-webkit-scrollbar {
    display: none;
  }
  .detail-header .detail-close {
    top: 6px;
    right: 6px;
    width: 28px;
    height: 28px;
  }
  .detail-header .detail-close > svg {
    width: 16px;
    height: 16px;
  }
}

.search button {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.search button:hover {
  background: #29657f1f;
}

@media(max-width:1000px) {
  .tour-heading .icon-button {
    padding: 2px;
  }
}

/* Logo upload trong Cài đặt/Globe thay cho biểu tượng mặc định, giữ đúng tỉ lệ ảnh. */
.brand-logo {
  display: block;
  flex-shrink: 0;
  width: auto;
  height: 42px;
  max-width: 180px;
  object-fit: contain;
}

@media(max-width:1000px) {
  .brand-logo {
    height: 38px;
    max-width: 120px;
  }
}

/* Tiêu đề di sản: một dòng trên desktop, tối đa hai dòng trên màn hẹp. */
.brand-copy strong.brand-name {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media(max-width:1000px) {
  .brand-copy strong.brand-name {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: 13px;
    line-height: 1.3;
  }
}

/* Trợ lý di sản (ui/chat.js): khung chat mở phía trên nút chat ở góc dưới phải; khi panel chi tiết đang mở
   thì khung dời sang trái panel để vừa hỏi vừa xem địa điểm. Dưới 1000px khung phủ vùng bản đồ. */
.chat-panel {
  position: absolute;
  z-index: 25;
  right: 18px;
  bottom: 86px;
  width: min(372px, calc(100vw - 36px));
  height: min(560px, calc(100dvh - var(--header-height) - 110px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 14px;
}

.chat-panel[hidden] {
  display: none;
}

.has-detail .chat-panel {
  right: calc(var(--detail-width) + 24px);
}

.chat-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px 12px 14px;
  border-bottom: 1px solid var(--line);
}

.chat-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border: 1px solid #b2e4ff;
  border-radius: 10px;
  background: linear-gradient(140deg,#138edf,#035391);
  color: #f0fbff;
}

.chat-heading-copy {
  flex: 1;
  min-width: 0;
}

.chat-heading h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.3px;
}

.chat-heading p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.chat-heading .icon-button:disabled {
  opacity: .35;
  background: none;
}

.chat-log {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 12px;
  scrollbar-width: thin;
  scrollbar-color: #4a819777 transparent;
}

.chat-message {
  max-width: 88%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.chat-message.bot {
  align-self: flex-start;
  color: #e3f3fb;
  background: #0d3f5ccc;
  border: 1px solid #4fb3d633;
  border-bottom-left-radius: 4px;
}

.chat-message.user {
  align-self: flex-end;
  color: #f0fbff;
  background: linear-gradient(140deg,#138edf,#035391);
  border-bottom-right-radius: 4px;
  white-space: pre-wrap;
}

.chat-message.chat-error,
.chat-message .chat-error {
  color: #ffd0c4;
}

.chat-message.chat-error {
  border-color: #ff8a7a55;
}

.chat-message>:first-child {
  margin-top: 0;
}

.chat-message>:last-child {
  margin-bottom: 0;
}

.chat-message p {
  margin: 0 0 .6em;
}

.chat-message ul,
.chat-message ol {
  margin: .3em 0 .6em;
  padding-left: 18px;
}

.chat-message li+li {
  margin-top: .25em;
}

.chat-message h1,
.chat-message h2,
.chat-message h3,
.chat-message h4 {
  margin: .7em 0 .35em;
  font-size: 13px;
  font-weight: 600;
}

.chat-message strong {
  font-weight: 600;
  color: #f4fbff;
}

.chat-message a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.chat-message a.chat-place {
  font-weight: 600;
  text-decoration-style: dotted;
}

.chat-message a:hover {
  color: #9debff;
}

.chat-message code {
  padding: 1px 4px;
  border-radius: 4px;
  background: #021a2b99;
  font-size: 11.5px;
}

.chat-message table {
  border-collapse: collapse;
  margin: .4em 0 .7em;
  font-size: 11.5px;
}

.chat-message th,
.chat-message td {
  padding: 4px 7px;
  border: 1px solid #4fb3d644;
  text-align: left;
}

.chat-message hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: .7em 0;
}

.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.chat-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8fd8ef;
  animation: chat-typing 1.2s infinite ease-in-out;
}

.chat-typing i:nth-child(2) {
  animation-delay: .15s;
}

.chat-typing i:nth-child(3) {
  animation-delay: .3s;
}

@keyframes chat-typing {
  0%, 80%, 100% { opacity: .25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

.chat-form {
  display: flex;
  gap: 8px;
  padding: 10px 12px 8px;
  border-top: 1px solid var(--line);
}

.chat-form input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #43a7ca69;
  border-radius: 10px;
  background: #021b2d99;
  color: #f0f7fc;
  font-size: 13px;
}

.chat-form input::placeholder {
  color: #7fa6b8;
}

.chat-form input:focus-visible {
  outline: 0;
  border-color: #6ce1ff;
}

.chat-send {
  display: grid;
  place-items: center;
  width: 40px;
  flex-shrink: 0;
  border: 1px solid #b2e4ff;
  border-radius: 10px;
  background: linear-gradient(140deg,#138edf,#035391);
  color: #f0fbff;
}

.chat-send:hover {
  background: #0c92d2;
}

.chat-send:disabled {
  opacity: .45;
}

.chat-note {
  margin: 0;
  padding: 0 14px 10px;
  color: #7fa6b8;
  font-size: 9.5px;
  text-align: center;
}

@media(max-width:1000px) {
  .chat-panel,
  .has-detail .chat-panel {
    top: calc(var(--header-height) + 12px);
    left: 12px;
    right: 12px;
    bottom: calc(80px + env(safe-area-inset-bottom));
    width: auto;
    height: auto;
  }
  /* Dưới 16px iOS tự phóng to trang khi chạm vào ô nhập. */
  .chat-form input {
    font-size: 16px;
  }
}

@media(prefers-reduced-motion:reduce) {
  .chat-typing i {
    animation: none;
    opacity: .7;
  }
}

/* Hướng dẫn sử dụng (nút "?" của thanh công cụ): hai cột như mẫu Đà Nẵng — giao diện chính bên trái, bản đồ &
   điều khiển bên phải; dưới 700px xếp thành một cột. Cuối bảng là đường vào "Nguồn tư liệu & bản quyền". */
.guide-modal {
  width: min(900px, 100%);
  max-height: 88dvh;
  overflow-y: auto;
  border-radius: 18px;
  padding: 22px 28px 18px;
  scrollbar-width: thin;
  scrollbar-color: #4a819777 transparent;
}

.guide-heading {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 34px;
  margin-bottom: 18px;
}

.guide-heading h2 {
  margin: 0;
  padding: 0 40px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .6px;
  text-align: center;
  text-transform: uppercase;
}

.guide-heading .icon-button {
  position: absolute;
  top: 0;
  right: -6px;
}

.guide-body {
  display: grid;
  grid-template-columns: minmax(220px, 270px) 1fr;
}

.guide-column {
  padding: 2px 24px 6px 0;
}

.guide-column+.guide-column {
  padding: 2px 0 6px 24px;
  border-left: 1px solid var(--line);
}

.guide-column>.eyebrow {
  display: block;
  margin-bottom: 12px;
}

.guide-list,
.guide-grid {
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  color: #e3f3fb;
  font-size: 12.5px;
  line-height: 1.4;
}

.guide-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border: 1px solid #5fc4e44d;
  border-radius: 10px;
  background: #0f4a6a99;
  color: #bdeeff;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
  gap: 18px 12px;
}

.guide-grid li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #e3f3fb;
  font-size: 11.5px;
  line-height: 1.45;
  text-align: center;
}

.guide-grid .guide-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
}

.guide-mode {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .3px;
}

/* Cùng kiểu vòng tròn nhóm ghim trên bản đồ 2D (.map-cluster). */
.guide-cluster {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #3db5ea;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.guide-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px 16px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.guide-footer:not(:has(.powered-by)) {
  justify-content: center;
}

.guide-sources {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  color: #a8d4e6;
  font-size: 11.5px;
}

.guide-sources:hover {
  color: #e3f6ff;
  background: #70bcd035;
}

@media(max-width:700px) {
  .guide-modal {
    padding: 18px 16px 14px;
    max-height: 86dvh;
  }
  .guide-body {
    grid-template-columns: 1fr;
  }
  .guide-column {
    padding: 0 0 14px;
  }
  .guide-column+.guide-column {
    padding: 14px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .guide-grid {
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 14px 8px;
  }
}

/* "Powered by VR360" (powered-by.png, chữ trắng trên nền trong suốt) như bản Đà Nẵng: góc dưới trái của intro,
   chân danh sách di tích và cuối hướng dẫn sử dụng. Để mờ cho nhẹ mắt, rõ dần khi rê chuột. */
.powered-by {
  display: inline-flex;
  flex-shrink: 0;
  opacity: .5;
  transition: opacity .18s;
}

.powered-by:hover,
.powered-by:focus-visible {
  opacity: .9;
}

.powered-by img {
  display: block;
  width: 120px;
  height: auto;
}

.intro-powered {
  position: absolute;
  z-index: 1;
  left: max(16px, calc(env(safe-area-inset-left) + 12px));
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 12px));
}

.intro-powered img {
  width: 96px;
  filter: drop-shadow(0 1px 2px #00000099);
}

.explorer-powered {
  justify-content: center;
  padding: 9px 0 11px;
  border-top: 1px solid var(--line);
}

.explorer-powered img {
  width: 112px;
}