/*-----------------------------------------------
  EEG ATLAS SPECIFIC STYLES
-----------------------------------------------*/

/* Page title styling to match other pages */
.page-eeg_atlas .page-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 600;
  margin: 2rem 0 2rem 0;
  color: var(--primary-color);
  transition: font-size 0.3s ease, margin 0.3s ease;
}

body.dark .page-eeg_atlas .page-title {
  color: var(--text-color);
}

#eeg-atlas-container {
  max-width: 1200px;
  margin: 0 auto 4rem;
  padding: 2rem;
  background: var(--info-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: background var(--transition-duration), box-shadow var(--transition-duration), padding 0.3s ease, border-radius 0.3s ease;
}

/* Atlas controls section */
.atlas-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  transition: margin 0.3s ease, padding 0.3s ease;
}

/* Sidebar buttons in a 2x2 grid */
#sidebar-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
  max-width: 600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  transition: gap 0.3s ease, margin 0.3s ease;
}

#sidebar-buttons button {
  padding: 10px 18px;
  border: none;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s, padding 0.3s ease, font-size 0.3s ease, min-width 0.3s ease;
  background-color: var(--accent-color);
  color: white;
  min-width: 120px;
  display: inline-block;
  text-align: center;
}

#sidebar-buttons button:hover {
  transform: scale(1.02);
  background-color: var(--accent-hover);
}

#sidebar-buttons button.active {
  background-color: var(--accent-color);
}

#sidebar-buttons button:not(.active) {
  background-color: rgba(0, 102, 204, 0.1);
  color: var(--accent-color);
}

body.dark #sidebar-buttons button:not(.active) {
  background-color: rgba(41, 151, 255, 0.15);
  color: var(--accent-color);
}

/* EEG videos in atlas container */
#eeg-atlas-container #eeg-videos {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  height: auto;
  transition: gap 0.3s ease;
}

/* Search and filter styles */
.search-container {
  margin-bottom: 24px;
  width: 100%;
  transition: margin 0.3s ease;
}

.search-box {
  width: 100%;
  max-width: 600px;
  margin-bottom: 16px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
  transition: margin 0.3s ease;
}

.search-box input {
  width: 100%;
  padding: 12px 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 1rem;
  background: var(--info-bg);
  color: var(--text-color);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.3s ease, padding 0.3s ease, font-size 0.3s ease, border-radius 0.3s ease;
}

.search-box:before {
  content: '\f002';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-color);
  z-index: 1;
  transition: left 0.3s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 1px 8px rgba(0,0,0,0.15);
}

/* Atlas list styling */
#atlas-list {
  list-style: none; 
  padding-left: 0;
  max-width: 600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  transition: padding 0.3s ease;
}

#atlas-list li {
  margin-bottom: 8px;
  transition: margin 0.3s ease;
}

#atlas-list .category-header {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s ease, border-color var(--transition-duration), padding 0.3s ease, font-size 0.3s ease;
}

#atlas-list .category-header:hover {
  color: var(--accent-color);
}

#atlas-list .category-header::after {
  content: "+";
  font-size: 1.2rem;
  transition: transform 0.3s ease, font-size 0.3s ease;
}

#atlas-list .category-header.open::after {
  transform: rotate(45deg);
}

#atlas-list .category-items {
  list-style: none;
  margin: 0;
  padding-left: 16px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
}

#atlas-list .category-items.open {
  max-height: 1000px;
  transition: max-height 0.5s ease-in;
}

#atlas-list .eeg-item {
  padding: 10px 0;
  cursor: pointer;
  color: var(--text-color);
  transition: color 0.2s, transform 0.2s, padding 0.3s ease, font-size 0.3s ease;
}

#atlas-list .eeg-item:hover {
  color: var(--accent-color);
  transform: translateX(4px);
}

/* Main content styling */
.atlas-content {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(0, 2fr);
  gap: 24px;
  transition: gap 0.3s ease;
}

.atlas-sidebar {
  background: var(--info-bg);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  height: fit-content;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  transition: padding 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease;
}

#eeg-atlas-container .main-content {
  flex: 1;
  min-width: 0;
  padding: 24px;
  background: var(--info-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease, border-radius 0.3s ease;
}

/* Detail content styling */
#detail-content {
  padding: 16px;
  border-radius: 8px;
  transition: padding 0.3s ease;
}

#detail-content h2 {
  margin-bottom: 20px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.8rem;
  transition: color var(--transition-duration), font-size 0.3s ease, margin 0.3s ease, gap 0.3s ease;
}

#detail-content h2 i {
  color: var(--accent-color);
  transition: font-size 0.3s ease;
}

#detail-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: box-shadow var(--transition-duration), border-radius 0.3s ease;
  margin-bottom: 1.5rem;
}

#detail-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
  font-size: 1.05rem;
  transition: font-size 0.3s ease, line-height 0.3s ease, margin 0.3s ease;
}

/* Flashcard styling */
#flashcard-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  transition: margin 0.3s ease;
}

.flashcard {
  width: 100%;
  min-height: 300px;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: 16px;
  border: none;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  margin-bottom: 2rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease, padding 0.3s ease, min-height 0.3s ease, border-radius 0.3s ease;
}

/* Enhanced Responsive styles */
/* Medium screens */
@media (max-width: 992px) {
  .page-eeg_atlas .page-title {
    font-size: 2.2rem;
    margin-bottom: 1.75rem;
  }
  
  .page-eeg_atlas .page-title:after {
    width: 70px;
  }
  
  #eeg-atlas-container {
    padding: 20px;
  }
  
  .atlas-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .atlas-sidebar {
    position: relative;
    top: 0;
    max-height: none;
    padding: 1.25rem;
  }
  
  #eeg-atlas-container .main-content {
    padding: 20px;
  }
  
  #detail-content h2 {
    font-size: 1.6rem;
    margin-bottom: 16px;
  }
  
  #detail-content p {
    font-size: 1rem;
  }
  
  .flashcard {
    padding: 1.75rem;
    min-height: 250px;
    margin-bottom: 1.75rem;
  }
}

/* Tablets and small laptops */
@media (max-width: 768px) {
  .page-eeg_atlas .page-title {
    font-size: 1.6rem !important;
    margin-bottom: 1rem !important;
    margin-top: 0.5rem !important;
    padding-bottom: 8px;
  }
  
  .page-eeg_atlas .page-title:after {
    width: 60px;
    height: 3px;
  }
  
  #eeg-atlas-container {
    padding: 16px;
    border-radius: 10px;
  }
  
  .atlas-controls {
    margin-bottom: 1.5rem;
    padding-bottom: 1.2rem;
  }
  
  #eeg-atlas-container #eeg-videos {
    flex-direction: column;
    gap: 16px;
  }
  
  #sidebar-buttons {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: 10px;
    margin-bottom: 20px;
  }
  
  #sidebar-buttons button {
    padding: 8px 16px;
    font-size: 0.9rem;
    min-width: 100px;
  }
  
  .search-box {
    max-width: 100%;
    margin-bottom: 14px;
  }
  
  .search-box input {
    font-size: 0.95rem;
    padding: 10px 12px 10px 38px;
  }
  
  .search-box:before {
    left: 15px;
  }
  
  #atlas-list {
    max-width: 100%;
  }
  
  #atlas-list .category-header {
    padding: 10px 0;
    font-size: 0.95rem;
  }
  
  #atlas-list .category-header::after {
    font-size: 1.1rem;
  }
  
  #atlas-list .category-items {
    padding-left: 12px;
  }
  
  #atlas-list .eeg-item {
    padding: 8px 0;
    font-size: 0.9rem;
  }
  
  .atlas-sidebar {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
  }
  
  #eeg-atlas-container .main-content {
    padding: 16px;
    border-radius: 10px;
  }
  
  #detail-content {
    padding: 12px;
  }
  
  #detail-content h2 {
    font-size: 1.4rem;
    margin-bottom: 14px;
    gap: 8px;
  }
  
  #detail-content img {
    border-radius: 6px;
    margin-bottom: 1.2rem;
  }
  
  #detail-content p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.8rem;
  }
  
  .flashcard {
    padding: 1.5rem;
    min-height: 220px;
    margin-bottom: 1.5rem;
    border-radius: 12px;
  }
}

/* Mobile devices */
@media (max-width: 480px) {
  .page-eeg_atlas .page-title {
    font-size: 1.4rem !important;
    margin-bottom: 0.8rem !important;
    margin-top: 0.3rem !important;
    padding-bottom: 6px;
  }
  
  .page-eeg_atlas .page-title:after {
    width: 50px;
    height: 3px;
  }
  
  #eeg-atlas-container {
    padding: 12px;
    border-radius: 8px;
  }
  
  .atlas-controls {
    margin-bottom: 1.2rem;
    padding-bottom: 1rem;
  }
  
  #sidebar-buttons {
    gap: 8px;
    margin-bottom: 16px;
  }
  
  #sidebar-buttons button {
    padding: 7px 14px;
    font-size: 0.85rem;
    min-width: 90px;
    border-radius: 20px;
  }
  
  .search-box input {
    font-size: 0.9rem;
    padding: 8px 10px 8px 35px;
    border-radius: 6px;
  }
  
  .search-box:before {
    left: 12px;
  }
  
  #atlas-list .category-header {
    padding: 8px 0;
    font-size: 0.9rem;
  }
  
  #atlas-list .category-header::after {
    font-size: 1rem;
  }
  
  #atlas-list .category-items {
    padding-left: 10px;
  }
  
  #atlas-list .eeg-item {
    padding: 6px 0;
    font-size: 0.85rem;
  }
  
  .atlas-sidebar {
    padding: 0.8rem;
    border-radius: 8px;
  }
  
  #eeg-atlas-container .main-content {
    padding: 12px;
    border-radius: 8px;
  }
  
  #detail-content {
    padding: 10px;
  }
  
  #detail-content h2 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    gap: 6px;
  }
  
  #detail-content h2 i {
    font-size: 0.9rem;
  }
  
  #detail-content img {
    border-radius: 5px;
    margin-bottom: 1rem;
  }
  
  #detail-content p {
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 0.7rem;
  }
  
  .flashcard {
    padding: 1.2rem;
    min-height: 200px;
    margin-bottom: 1.2rem;
    border-radius: 10px;
  }
}

/* Very small mobile devices */
@media (max-width: 360px) {
  .page-eeg_atlas .page-title {
    font-size: 1.2rem !important;
    margin-bottom: 0.6rem !important;
    margin-top: 0.2rem !important;
    padding-bottom: 5px;
  }
  
  .page-eeg_atlas .page-title:after {
    width: 40px;
    height: 2px;
  }
  
  #eeg-atlas-container {
    padding: 10px;
    border-radius: 6px;
  }
  
  .atlas-controls {
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
  }
  
  #sidebar-buttons {
    gap: 6px;
    margin-bottom: 14px;
  }
  
  #sidebar-buttons button {
    padding: 6px 12px;
    font-size: 0.8rem;
    min-width: 80px;
    border-radius: 16px;
  }
  
  .search-box input {
    font-size: 0.85rem;
    padding: 7px 8px 7px 32px;
    border-radius: 5px;
  }
  
  .search-box:before {
    left: 10px;
  }
  
  #atlas-list .category-header {
    padding: 7px 0;
    font-size: 0.85rem;
  }
  
  #atlas-list .category-header::after {
    font-size: 0.9rem;
  }
  
  #atlas-list .category-items {
    padding-left: 8px;
  }
  
  #atlas-list .eeg-item {
    padding: 5px 0;
    font-size: 0.8rem;
  }
  
  .atlas-sidebar {
    padding: 0.7rem;
    border-radius: 6px;
  }
  
  #eeg-atlas-container .main-content {
    padding: 10px;
    border-radius: 6px;
  }
  
  #detail-content {
    padding: 8px;
  }
  
  #detail-content h2 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    gap: 5px;
  }
  
  #detail-content h2 i {
    font-size: 0.8rem;
  }
  
  #detail-content img {
    border-radius: 4px;
    margin-bottom: 0.8rem;
  }
  
  #detail-content p {
    font-size: 0.85rem;
    line-height: 1.3;
    margin-bottom: 0.6rem;
  }
  
  .flashcard {
    padding: 1rem;
    min-height: 180px;
    margin-bottom: 1rem;
    border-radius: 8px;
  }
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 992px) {
  .page-eeg_atlas .page-title {
    font-size: 2.2rem;
    margin-bottom: 1.75rem;
  }
  
  #eeg-atlas-container {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .page-eeg_atlas .page-title {
    font-size: 1.6rem !important;
    margin-bottom: 1rem !important;
    margin-top: 0.5rem !important;
  }
  
  #eeg-atlas-container {
    padding: 16px;
    border-radius: 10px;
  }
  
  .atlas-controls {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .page-eeg_atlas .page-title {
    font-size: 1.4rem !important; 
    margin-bottom: 0.8rem !important;
    margin-top: 0.3rem !important;
  }
  
  #eeg-atlas-container {
    padding: 12px;
    border-radius: 8px;
  }
  
  .atlas-controls {
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
  }
}

@media (max-width: 360px) {
  .page-eeg_atlas .page-title {
    font-size: 1.2rem !important;
    margin-bottom: 0.6rem !important;
    margin-top: 0.2rem !important;
  }
  
  #eeg-atlas-container {
    padding: 10px;
    border-radius: 6px;
  }
  
  .atlas-controls {
    margin-bottom: 0.8rem;
    padding-bottom: 0.6rem;
  }
} /*-----------------------------------------------
  CAROUSEL & MODAL STYLES (Restored)
-----------------------------------------------*/

/* Modal styles for the full screen carousel mode */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
    justify-content: center;
    align-items: center;
}

.carousel-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 90%;
    max-height: 90%;
    width: 100%;
    background: transparent;
}

/* Carousel previews */
.carousel-preview {
    flex: 1;
    max-width: 15%;
    text-align: center;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.carousel-preview:hover {
    opacity: 1;
    transform: scale(1.05);
}

.carousel-preview img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Preview caption style */
.carousel-preview .preview-caption {
    margin-top: 10px;
    color: #fff;
    font-size: 14px;
}

/* Carousel center */
.carousel-main {
    flex: 4;
    max-width: 70%;
    text-align: center;
}

.carousel-main img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2100;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Carousel navigation arrows */
.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    padding: 0 10px;
    transform: translateY(-50%);
    transition: all 0.2s ease;
    z-index: 2050;
    background: rgba(0, 0, 0, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-prev:hover,
.carousel-next:hover {
    color: var(--accent-color);
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* Caption text under the center image */
#carousel-caption {
    text-align: center;
    color: #fff;
    margin-top: 16px;
    font-size: 20px;
    font-weight: 500;
}

/* Autocomplete styling */
#autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--info-bg);
    z-index: 1000;
    list-style: none;
    padding: 0;
    margin: 5px 0 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    display: none;
    max-height: 300px;
    overflow-y: auto;
}

#autocomplete li {
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

#autocomplete li:last-child {
    border-bottom: none;
}

#autocomplete li:hover {
    background-color: rgba(0, 102, 204, 0.08);
    color: var(--accent-color);
}

/* Fullscreen button for images */
.fullscreen-hint {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.image-container {
    position: relative;
    display: inline-block;
    margin: 0 auto;
}

.image-container:hover .fullscreen-hint {
    opacity: 1;
}

/* Responsive adjustments for carousel */
@media (max-width: 768px) {
    .carousel-preview {
        display: none;
    }

    .carousel-main {
        max-width: 90%;
    }

    .modal-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }

    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
        font-size: 30px;
    }
}