:root {
  --sidebar-width: 300px;
  --brand-color: #0d6efd;
}
.navbar-brand img {
  height: 30px;
  margin-right: 10px;
}
html, body {
  margin: 0; padding: 0; height: 100%; overflow: hidden;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.main-container { display: flex; flex-direction: column; height: 100vh; }
.content-wrapper { display: flex; flex-grow: 1; overflow: hidden; }
#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  overflow-y: auto;
  border-right: 1px solid #ddd;
  padding: 1rem;
}
#viewers-wrapper {
    flex-grow: 1;
    display: flex;
    background-color: #e0e0e0;
}
.viewer-pane {
    flex: 1;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-left: 1px solid #ccc;
}
.viewer-pane:first-child {
    border-left: none;
}
.viewer-header {
    text-align: center;
    padding: 4px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
}
.viewer-header.active {
    background-color: var(--brand-color);
    color: white;
    border-bottom-color: var(--brand-color);
}
.viewer-content {
    flex-grow: 1;
    position: relative;
}
#viewer-pane-right {
    display: none; /* Hidden by default */
}
body.comparison-mode #viewer-pane-right {
    display: flex; /* Shown in comparison mode */
}
model-viewer { width: 100%; height: 100%; display: block; background-color: #f0f2f5; }
.loader, .initial-prompt {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  display: flex; justify-content: center; align-items: center;
  text-align: center; z-index: 10;
}
.loader {
  background: rgba(255,255,255,0.9);
  flex-direction: column;
  font-size: 1.2rem; color: #333;
  display: none; /* Hidden by default */
}
.initial-prompt {
  color: #888; font-size: 1.5rem;
}
a.model-link {
  display: block; padding: .5rem .75rem; margin-right: -1rem;
  color: #333; text-decoration: none; transition: background-color 0.2s;
}
a.model-link:hover, a.model-link.active {
  background-color: #e9ecef;
  border-radius: .25rem;
}

.settings-section hr {
    border-top: 1px solid #ccc;
}

/* Styling for the QR code button inside model-viewer */
model-viewer button[slot="qr-code-button"] {
    position: absolute;
    bottom: 80px; /* Adjusted position to provide some space from the bottom */
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    font-size: 18px;
    background-color: var(--brand-color);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    z-index: 999 !important; /* Higher z-index to ensure it's on top */
    display: block !important; /* Force display as block */
}

/* Ensure prompt/loader are not covering the button */
.loader, .initial-prompt {
  /* ... existing styles ... */
  z-index: 99; /* Set lower than button's z-index */
}

/* Styles from user's example for reference, adjust as needed */
/* This keeps child nodes hidden while the element loads */
:not(:defined) > * {
  display: none;
}

model-viewer {
  background-color: #eee;
  overflow-x: hidden;
}

#ar-button {
  background-image: url(../../assets/ic_view_in_ar_new_googblue_48dp.png);
  background-repeat: no-repeat;
  background-size: 20px 20px;
  background-position: 12px 50%;
  background-color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  bottom: 132px;
  padding: 0px 16px 0px 40px;
  font-family: Roboto Regular, Helvetica Neue, sans-serif;
  font-size: 14px;
  color:#4285f4;
  height: 36px;
  line-height: 36px;
  border-radius: 18px;
  border: 1px solid #DADCE0;
}

#ar-button:active {
  background-color: #E8EAED;
}

#ar-button:focus {
  outline: none;
}

#ar-button:focus-visible {
  outline: 1px solid #4285f4;
}

@keyframes circle {
  from { transform: translateX(-50%) rotate(0deg) translateX(50px) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg) translateX(50px) rotate(-360deg); }
}

@keyframes elongate {
  from { transform: translateX(100px); }
  to   { transform: translateX(-100px); }
}

model-viewer > #ar-prompt {
  position: absolute;
  left: 50%;
  bottom: 175px;
  animation: elongate 2s infinite ease-in-out alternate;
  display: none;
}

model-viewer[ar-status="session-started"] > #ar-prompt {
  display: block;
}

model-viewer > #ar-prompt > img {
  animation: circle 4s linear infinite;
}

model-viewer > #ar-failure {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 175px;
  display: none;
}

model-viewer[ar-tracking="not-tracking"] > #ar-failure {
  display: block;
}

.slider {
  width: 100%;
  text-align: center;
  overflow: hidden;
  position: absolute;
  bottom: 16px;
}

.slides {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.slide {
  scroll-snap-align: start;
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #fff;
  margin-right: 10px;
  border-radius: 10px;
  border: none;
  display: flex;
}

.slide.selected {
  border: 2px solid #4285f4;
}

.slide:focus {
  outline: none;
}

.slide:focus-visible {
  outline: 1px solid #4285f4;
}