:root {
  --sidebar-width: 300px;
  --brand-color: #0d6efd;
}

.navbar-brand img {
  height: 30px;
  margin-right: 10px;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.main-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.content-wrapper {
  display: flex;
  flex-grow: 1;
  overflow: hidden;
}

#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid #ddd;
  padding: 1rem;
  background-color: #f0f0f0;
  max-height: calc(100vh - 56px); /* Account for navbar height */
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: #ccc #f0f0f0; /* Firefox */
}

/* Custom scrollbar for webkit browsers (Chrome, Safari, Edge) */
#sidebar::-webkit-scrollbar {
  width: 8px;
}

#sidebar::-webkit-scrollbar-track {
  background: #f0f0f0;
  border-radius: 4px;
}

#sidebar::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
  transition: background 0.2s ease;
}

#sidebar::-webkit-scrollbar-thumb:hover {
  background: #999;
}

#viewers-wrapper {
  flex-grow: 1;
  display: flex;
  background-color: #f5f5f5;
}

.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: #f0f0f0;
  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;
}

body.comparison-mode #viewer-pane-right {
  display: flex;
}

model-viewer {
  width: 100%;
  height: 100%;
  display: block;
  background-color: #f5f5f5;
}

.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(211, 211, 211, 0.9);
  flex-direction: column;
  font-size: 1.2rem;
  color: #333;
  display: none;
}

.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;
}

model-viewer button[slot="qr-code-button"] {
  position: absolute;
  bottom: 80px;
  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;
  display: block !important;
}

.loader,
.initial-prompt {
  z-index: 99;
}

:not(:defined)>* {
  display: none;
}

model-viewer {
  background-color: #f5f5f5;
  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: #f0f0f0;
  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;
}

#landing-page {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #f5f5f5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.landing-model-container {
  width: 100%;
  height: 400px;
  max-width: 600px;
  display: block;
  margin-bottom: 2rem;
}

#landing-page.scroll-up {
  transform: translateY(-100%);
  transition: transform 1s ease-in-out;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  width: 24px;
  height: 24px;
  border-left: 3px solid #555;
  border-bottom: 3px solid #555;
  transform: rotate(-45deg);
  animation: scroll-bounce 2.5s infinite;
}

@keyframes scroll-bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) rotate(-45deg);
  }

  40% {
    transform: translateY(-20px) rotate(-45deg);
  }

  60% {
    transform: translateY(-10px) rotate(-45deg);
  }
}

#login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f8f9fa;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2001;
  transition: opacity 0.5s ease-in-out;
}

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

.login-card {
  background-color: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 100%;
  max-width: 400px;
}

.login-card .logo {
  max-width: 100px;
  margin-bottom: 20px;
}

.footer {
  flex-shrink: 0;
}

/* Add smooth scrolling behavior for better UX */
html {
  scroll-behavior: smooth;
}

/* Ensure model list items don't break the layout */
#model-list {
  overflow: visible;
}

#model-list details {
  margin-bottom: 1rem;
}

#model-list details summary {
  cursor: pointer;
  padding: 0.5rem;
  background-color: #e9ecef;
  border-radius: 0.25rem;
  margin-bottom: 0.5rem;
  user-select: none;
}

#model-list details[open] summary {
  margin-bottom: 0.5rem;
}

/* Ensure long model names don't break layout */
a.model-link {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* --- Mobile Specific Styles --- */
@media (max-width: 200px) {
  .content-wrapper {
    flex-direction: column;
  }


  #viewers-wrapper {
    flex-direction: column;
    height: calc(100vh - 56px);
    /* total available viewport minus navbar */
  }

  .viewer-pane {
    width: 100%;
    border-left: none;
    height: 40%;
  }

  body.comparison-mode #viewer-pane-right {
    display: none;
    /* Hide the second viewer in comparison mode on mobile */
  }

  .initial-prompt,
  .loader {
    font-size: 1rem;
  }

  /* Optional: A sidebar toggle button for mobile */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    flex-wrap: nowrap;
  }

  
  #advancedBtn {
    display: none;
  }

  #advancedControlsButton,
  button[data-bs-target="#advancedControls"] {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background-color: var(--brand-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
  }

  /* Hover/focus states */
  #advancedControlsButton:hover,
  button[data-bs-target="#advancedControls"]:hover {
    background-color: #0b5ed7;
    /* Slightly darker shade */
  }

  #advancedControlsButton:focus,
  button[data-bs-target="#advancedControls"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.5);
  }

  /* Optional: add an arrow icon that rotates on toggle */
  button[data-bs-target="#advancedControls"]::after {
    content: '\25BC';
    /* down arrow */
    font-size: 0.8rem;
    transition: transform 0.3s ease;
  }

  button[data-bs-target="#advancedControls"].collapsed::after {
    transform: rotate(-90deg);
    /* arrow points right when collapsed */
  }

  #sidebar {
    position: fixed;
    top: 56px; /* Below navbar */
    left: 0;
    width: 60%; /* Increased for better usability */
    height: calc(100vh - 56px); /* Full height minus navbar */
    max-height: calc(100vh - 56px);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    z-index: 1100;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }

  /* Enhanced mobile scrollbar */
  #sidebar::-webkit-scrollbar {
    width: 6px; /* Thinner on mobile */
  }

  #sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    transition: margin-left 0.3s ease-in-out;
  }

  .main-content.sidebar-active {
    margin-left: 80%;
  }

  .footer {
    position: relative;
  }



}