/* ============================================================
   Custom tour UI
   Top-left  : scene name + dropdown of all scenes
   Top-right : menu (home / play / pause)
   Bottom-L  : fullscreen
   Bottom-R  : zoom in / zoom out
   ============================================================ */

:root {
  --ui-bg: rgba(15, 15, 15, 0.55);
  --ui-bg-hover: rgba(15, 15, 15, 0.75);
  --ui-border: rgba(255, 255, 255, 0.16);
  --ui-fg: #ffffff;
  --ui-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ui-gap: 16px;
  --ui-blur: 14px;
  --ui-radius: 8px;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #000;
  font-family: var(--ui-font);
  -webkit-font-smoothing: antialiased;
}

#pano {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: grab;
}
#pano:active { cursor: grabbing; }

/* ---------- shared control chrome ---------- */

.ui-btn {
  position: relative;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  color: var(--ui-fg);
  background: linear-gradient(155deg, rgba(0,0,0,0.60), rgba(0,0,0,0.40) 60%, rgba(0,0,0,0.50));
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
  backdrop-filter: blur(var(--ui-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--ui-blur)) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 4px 16px rgba(0, 0, 0, 0.35);
  user-select: none;
  -webkit-user-select: none;
}

.ui-btn:hover {
  background: linear-gradient(155deg, rgba(0,0,0,0.72), rgba(0,0,0,0.50) 60%, rgba(0,0,0,0.62));
  border-color: rgba(255, 255, 255, 0.28);
}

.ui-btn:active { transform: scale(0.94); }

.ui-btn svg { display: block; fill: none; stroke: currentColor; stroke-width: 1.6; position: relative; z-index: 1; }

/* ---------- top-left: scene selector ---------- */

#sceneSelect {
  position: absolute;
  top: var(--ui-gap);
  left: var(--ui-gap);
  z-index: 30;
  max-width: calc(100% - 100px);
}

#sceneSelectToggle {
  height: 38px;
  padding: 0 14px;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
}

#sceneSelectToggle .scene-name {
  overflow: hidden;
  text-overflow: ellipsis;
}

#sceneSelectToggle .caret {
  transition: transform 0.2s ease;
  opacity: 0.8;
}

#sceneSelect.open #sceneSelectToggle .caret { transform: rotate(180deg); }

#sceneList {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  max-height: 60vh;
  overflow-y: auto;
  box-sizing: border-box;
  background: linear-gradient(155deg, rgba(0,0,0,0.65), rgba(0,0,0,0.45));
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  backdrop-filter: blur(var(--ui-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--ui-blur)) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

#sceneSelect.open #sceneList {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#sceneList .scenes { list-style: none; margin: 0; padding: 4px 0; }

#sceneList .scene {
  display: block;
  padding: 9px 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

#sceneList .scene:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

#sceneList .scene.current {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 2px 0 0 #fff;
}

/* scrollbar */
#sceneList::-webkit-scrollbar { width: 6px; }
#sceneList::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.3); }

/* ---------- top-right: menu ---------- */

#menu {
  position: absolute;
  top: var(--ui-gap);
  right: var(--ui-gap);
  z-index: 30;
}

#menuToggle {
  width: 38px;
  height: 38px;
}

#menuList {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: linear-gradient(155deg, rgba(0,0,0,0.65), rgba(0,0,0,0.45));
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  backdrop-filter: blur(var(--ui-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--ui-blur)) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 8px 24px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

#menu.open #menuList {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#menuList .menu-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

#menuList .menu-item + .menu-item { border-top: 1px solid rgba(255, 255, 255, 0.18); }
#menuList .menu-item:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }
#menuList .menu-item.active { color: #fff; background: rgba(255, 255, 255, 0.2); }
#menuList .menu-item svg { display: block; }
#menuList .menu-item img {
  display: block;
  width: 18px;
  height: 18px;
  opacity: 0.85;
  transition: opacity 0.15s ease;
}
#menuList .menu-item:hover img { opacity: 1; }
#menuList .menu-item.active img { opacity: 1; }

/* ---------- bottom-left: fullscreen ---------- */

#fullscreenToggle {
  position: absolute;
  bottom: var(--ui-gap);
  left: var(--ui-gap);
  z-index: 30;
  width: 34px;
  height: 34px;
}

#fullscreenToggle .icon-windowed { display: none; }
#fullscreenToggle.enabled .icon-windowed { display: block; }
#fullscreenToggle.enabled .icon-fullscreen { display: none; }
body.fullscreen-disabled #fullscreenToggle { display: none; }

/* ---------- bottom-left: music toggle (sits beside fullscreen) ---------- */

#musicToggle {
  position: absolute;
  bottom: var(--ui-gap);
  left: calc(var(--ui-gap) + 34px + 8px);
  z-index: 30;
  width: 34px;
  height: 34px;
}

#musicToggle .icon-sound-off { display: none; }
#musicToggle.muted .icon-sound-on { display: none; }
#musicToggle.muted .icon-sound-off { display: block; }

/* ---------- intro : starter animation splash ---------- */

#introOverlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: #000;
  opacity: 1;
  transition: opacity 0.8s ease;
}

#introOverlay.hidden {
  opacity: 0;
  pointer-events: none;
}

#introVideo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

/* Fill the screen on mobile instead of letterboxing. */
body.mobile #introVideo {
  object-fit: cover;
}

#introSkip {
  position: absolute;
  bottom: var(--ui-gap);
  right: var(--ui-gap);
  z-index: 2;
  height: 34px;
  padding: 0 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- bottom-right: zoom ---------- */

#zoomControls {
  position: absolute;
  bottom: var(--ui-gap);
  right: var(--ui-gap);
  z-index: 30;
  display: flex;
  flex-direction: column;
}

#zoomControls .ui-btn {
  width: 34px;
  height: 34px;
  border-radius: 0;
}

#zoomControls .ui-btn:first-child { border-radius: var(--ui-radius) var(--ui-radius) 0 0; }
#zoomControls .ui-btn:last-child { border-radius: 0 0 var(--ui-radius) var(--ui-radius); }
#zoomControls .ui-btn + .ui-btn { border-top: none; }

/* ---------- misc ---------- */

body.single-scene #sceneSelect .caret,
body.single-scene #sceneList { display: none; }

@media (max-width: 560px) {
  :root { --ui-gap: 10px; }
  #sceneSelectToggle { height: 34px; font-size: 11px; padding: 0 11px; }
  #menuToggle { width: 34px; height: 34px; }
}


/* Link hotspot */

.link-hotspot {
  width: 60px;
  height: 60px;
  margin-left: -30px;
  margin-top: -30px;
  opacity: 0.9;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.no-touch .link-hotspot:hover {
  opacity: 1;
}

.mobile .link-hotspot {
  width: 70px;
  height: 70px;
}

.link-hotspot-icon {
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.link-hotspot-tooltip {
  display: none;
}

.link-hotspot-tooltip {
  position: absolute;
  left: 100%;
  top: 14px; /* ( 60 - (16 + 2*8) ) / 2 */

  margin-left: 3px;

  font-size: 16px;

  max-width: 300px;

  padding: 8px 10px;

  border-radius: 5px;

  background-color: rgb(58,68,84);
  background-color: rgba(58,68,84,0.8);

  color: #fff;

  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;

  cursor: pointer;

  opacity: 0;

  -ms-transform: translateX(-8px);
  -webkit-transform: translateX(-8px);
  transform: translateX(-8px);

  -webkit-transition: -ms-transform 0.3s,
                      -webkit-transform 0.3s,
                      transform 0.3s,
                      opacity 0.3s;
  transition: -ms-transform 0.3s,
              -webkit-transform 0.3s,
              transform 0.3s,
              opacity 0.3s;
}

.mobile .link-hotspot {
  top: 19px; /* ( 70 - (16 + 2*8) ) / 2 */
}

.no-touch .link-hotspot:hover .link-hotspot-tooltip {
  opacity: 1;
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}

/* Prevent tooltip from triggering */
.link-hotspot-tooltip {
  pointer-events: none;
}
.no-touch .link-hotspot:hover .link-hotspot-tooltip {
  pointer-events: all;
}

/* Fallback mode without pointer-events (IE8-10) */
.tooltip-fallback .link-hotspot-tooltip {
  display: none;
}
.no-touch .tooltip-fallback .link-hotspot:hover .link-hotspot-tooltip {
  display: block;
}

/* Info hotspot */

.info-hotspot {
  line-height: 1.2em;
  opacity: 0.9;
  -webkit-transition: opacity 0.2s 0.2s;
  transition: opacity 0.2s 0.2s;
}

.no-touch .info-hotspot:hover {
  opacity: 1;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.info-hotspot.visible {
  opacity: 1;
}

.info-hotspot .info-hotspot-header {
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background-color: rgb(103,115,131);
  cursor: pointer;
  -webkit-transition: width 0.3s ease-in-out 0.5s,
                      border-radius 0.3s ease-in-out 0.5s;
  transition: width 0.3s ease-in-out 0.5s,
              border-radius 0.3s ease-in-out 0.5s;
}

.mobile .info-hotspot .info-hotspot-header {
  width: 50px;
  height: 50px;
  border-radius: 25px;
}

.desktop.no-touch .info-hotspot .info-hotspot-header:hover {
  width: 260px;
  border-radius: 5px;
  -webkit-transition: width 0.3s ease-in-out,
                      border-radius 0.3s ease-in-out;
  transition: width 0.3s ease-in-out,
              border-radius 0.3s ease-in-out;
}

.desktop .info-hotspot.visible .info-hotspot-header,
.desktop.no-touch .info-hotspot.visible .info-hotspot-header:hover {
  width: 260px;
  border-radius: 5px;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
  -webkit-transition: width 0.3s ease-in-out,
                      border-radius 0.3s ease-in-out;
  transition: width 0.3s ease-in-out,
              border-radius 0.3s ease-in-out;
}

.info-hotspot .info-hotspot-icon-wrapper {
  width: 40px;
  height: 40px;
}

.mobile .info-hotspot .info-hotspot-icon-wrapper {
  width: 50px;
  height: 50px;
}

.info-hotspot .info-hotspot-icon {
  width: 90%;
  height: 90%;
  margin: 5%;
}

.info-hotspot .info-hotspot-title-wrapper {
  position: absolute;
  left: 40px;
  top: 0;
  width: 0;
  height: 40px;
  padding: 0;
  overflow: hidden;
  -webkit-transition: width 0s 0.4s,
                      padding 0s 0.4s;
  transition: width 0s 0.4s,
              padding 0s 0.4s;
}

.desktop .info-hotspot.visible .info-hotspot-title-wrapper,
.desktop.no-touch .info-hotspot .info-hotspot-header:hover .info-hotspot-title-wrapper {
  width: 220px;
  padding: 0 5px;
  -webkit-transition: width 0s 0.4s,
                      padding 0s 0.4s;
  transition: width 0s 0.4s,
              padding 0s 0.4s;
}

.info-hotspot .info-hotspot-title-wrapper:before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  height: 100%;
}

.info-hotspot .info-hotspot-title {
  display: inline-block;
  vertical-align: middle;

  -moz-user-select: text;
  -webkit-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.info-hotspot .info-hotspot-close-wrapper {
  position: absolute;
  left: 260px;
  top: 0;
  height: 40px;
  width: 40px;
  border-top-right-radius: 5px;
  background-color: rgb(78,88,104);
  visibility: hidden;
  -ms-transform: perspective(200px) rotateY(90deg);
  -webkit-transform: perspective(200px) rotateY(90deg);
  transform: perspective(200px) rotateY(90deg);
  -ms-transform-origin: 0 50% 0;
  -webkit-transform-origin: 0 50% 0;
  transform-origin: 0 50% 0;
  -webkit-transition: -ms-transform 0.3s 0.3s,
                      -webkit-transform 0.3s 0.3s,
                      transform 0.3s 0.3s,
                      visibility 0s 0.6s;
  transition: -ms-transform 0.3s 0.3s,
              -webkit-transform 0.3s 0.3s,
              transform 0.3s 0.3s,
              visibility 0s 0.6s;
}

.desktop .info-hotspot.visible .info-hotspot-close-wrapper {
  visibility: visible;
  -ms-transform: perspective(200px) rotateY(0deg);
  -webkit-transform: perspective(200px) rotateY(0deg);
  transform: perspective(200px) rotateY(0deg);
  -webkit-transition: -ms-transform 0.3s,
                      -webkit-transform 0.3s,
                      transform 0.3s,
                      visibility 0s 0s;
  transition: -ms-transform 0.3s,
              -webkit-transform 0.3s,
              transform 0.3s,
              visibility 0s 0s;
}

.info-hotspot .info-hotspot-close-icon {
  width: 70%;
  height: 70%;
  margin: 15%;
}

.info-hotspot .info-hotspot-text {
  position: absolute;
  width: 300px;
  height: auto;
  max-height: 200px;
  top: 40px;
  left: 0;
  padding: 10px;
  background-color: rgb(58,68,84);
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
  overflow-y: auto;
  visibility: hidden;
  /* rotate(90deg) causes transition flicker on Firefox 58 */
  -ms-transform: perspective(200px) rotateX(-89.999deg);
  -webkit-transform: perspective(200px) rotateX(-89.999deg);
  transform: perspective(200px) rotateX(-89.999deg);
  -ms-transform-origin: 50% 0 0;
  -webkit-transform-origin: 50% 0 0;
  transform-origin: 50% 0 0;
  -webkit-transition: -ms-transform 0.3s,
                      -webkit-transform 0.3s,
                      transform 0.3s,
                      visibility 0s 0.3s;
  transition: -ms-transform 0.3s,
              -webkit-transform 0.3s,
              transform 0.3s,
              visibility 0s 0.3s;

  -moz-user-select: text;
  -webkit-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.desktop .info-hotspot.visible .info-hotspot-text {
  visibility: visible;
  -ms-transform: perspective(200px) rotateX(0deg);
  -webkit-transform: perspective(200px) rotateX(0deg);
  transform: perspective(200px) rotateX(0deg);
  -webkit-transition: -ms-transform 0.3s 0.3s,
                      -webkit-transform 0.3s 0.3s,
                      transform 0.3s 0.3s,
                      visibility 0s 0s;
  transition: -ms-transform 0.3s 0.3s,
              -webkit-transform 0.3s 0.3s,
              transform 0.3s 0.3s,
              visibility 0s 0s;
}

/* Info hotspot modal */

.desktop .info-hotspot-modal {
  display: none;
}

.info-hotspot-modal {
  top: 0;
  left: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 11000 !important;
  background-color: rgba(0,0,0,.5);
  line-height: 1.2em;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: opacity 0.2s ease-in-out 0.5s,
                      visibility 0s 0.7s;
  transition: opacity 0.2s ease-in-out 0.5s,
              visibility 0s 0.7s;
}

.info-hotspot-modal.visible {
  opacity: 1;
  visibility: visible;
  -webkit-transition: opacity 0.2s ease-in-out,
                      visibility 0s 0s;
  transition: opacity 0.2s ease-in-out,
              visibility 0s 0s;
}

.info-hotspot-modal .info-hotspot-header {
  position: absolute;
  top: 60px;
  left: 10px;
  right: 10px;
  width: auto;
  height: 50px;
  background-color: rgb(103,115,131);
  background-color: rgba(103,115,131,0.8);
  opacity: 0;
  -webkit-transition: opacity 0.3s ease-in-out 0.2s;
  transition: opacity 0.3s ease-in-out 0.2s;
}

.info-hotspot-modal.visible .info-hotspot-header {
  opacity: 1;
  -webkit-transition: opacity 0.3s ease-in-out 0.2s;
  transition: opacity 0.3s ease-in-out 0.2s;
}

.info-hotspot-modal .info-hotspot-icon-wrapper {
  width: 50px;
  height: 50px;
}

.info-hotspot-modal .info-hotspot-icon {
  width: 90%;
  height: 90%;
  margin: 5%;
}

.info-hotspot-modal .info-hotspot-title-wrapper {
  position: absolute;
  top: 0;
  left: 50px;
  right: 50px;
  width: auto;
  height: 50px;
  padding: 0 10px;
}

.info-hotspot-modal .info-hotspot-title-wrapper:before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  height: 100%;
}

.info-hotspot-modal .info-hotspot-title {
  display: inline-block;
  vertical-align: middle;

  -moz-user-select: text;
  -webkit-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.info-hotspot-modal .info-hotspot-close-wrapper {
  position: absolute;
  top: 0;
  right: 0;
  width: 50px;
  height: 50px;
  background-color: rgb(78,88,104);
  background-color: rgba(78,88,104,0.8);
  cursor: pointer;
}

.info-hotspot-modal .info-hotspot-close-icon {
  width: 70%;
  height: 70%;
  margin: 15%;
}

.info-hotspot-modal .info-hotspot-text {
  position: absolute;
  top: 110px;
  bottom: 10px;
  left: 10px;
  right: 10px;
  padding: 10px;
  background-color: rgb(58,68,84);
  background-color: rgba(58,68,84,0.8);
  overflow-y: auto;
  opacity: 0;
  -webkit-transition: opacity 0.3s ease-in-out;
  transition: opacity 0.3s ease-in-out;

  -moz-user-select: text;
  -webkit-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.info-hotspot-modal.visible .info-hotspot-text {
  opacity: 1;
  -webkit-transition: opacity 0.3s ease-in-out 0.4s;
  transition: opacity 0.3s ease-in-out 0.4s;
}