:root {
    --primary-bg: #212529;
    --secondary-bg: #343a40;
    --nav-bg: #495057;
    --accent-color: #5cbcfc;
    --text-primary: #f8f9fa;
    --text-secondary: #e9ecef;
    --card-bg: #343a40;
    --card-hover: #495057;
    --border-radius: 10px;
    --transition-speed: 0.3s;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  /* Header and Navigation */
  header {
    background-color: var(--secondary-bg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: bold;
  }
  
  .logo i {
    font-size: 1.8rem;
  }
  
  .nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
  }
  
  .nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
  }
  
  .nav-menu a:hover, .nav-menu a.active {
    background-color: var(--nav-bg);
    color: var(--accent-color);
  }
  
  .profile-menu {
    position: relative;
    display: flex;
    align-items: center;
  }
  
  .current-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    background-color: var(--nav-bg);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
  }
  
  .current-profile:hover {
    background-color: var(--card-hover);
  }
  
  .current-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
  }
  
  .profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 220px;
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    margin-top: 8px;
    z-index: 10;
    display: none;
  }
  
  .profile-dropdown.active {
    display: block;
  }
  
  .profile-list {
    list-style: none;
    margin-bottom: 1rem;
  }
  
  .profile-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
  }
  
  .profile-item:hover, .profile-item.active {
    background-color: var(--nav-bg);
  }
  
  .profile-item img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
  }
  
  .profile-name {
    font-weight: 500;
  }
  
  .profile-actions {
    padding-top: 10px;
    border-top: 1px solid var(--nav-bg);
  }
  
  .add-profile-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 10px;
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
  }
  
  .add-profile-btn:hover {
    background-color: var(--nav-bg);
  }
  
  /* Main Content */
  main {
    flex: 1;
    padding: 2rem 0;
  }
  
  .page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .page-title {
    font-size: 1.8rem;
    color: var(--text-primary);
  }
  
 /* Game Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.gallery.list-view {
  grid-template-columns: 1fr;
  gap: 1rem;
}

.game-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
}

.game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.game-image-container {
  width: 100%;
  position: relative;
  background-color: var(--secondary-bg);
  overflow: hidden;
}

.game-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.game-year {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: rgba(0, 0, 0, 0.7);
  color: var(--text-primary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
}

.game-info {
  padding: 1rem;
}

.game-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-details {
  font-size: 0.8rem;
  color: var(--accent-color);
  display: flex;
  flex-direction: column;
}

.game-console {
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.game-developer {
  font-style: italic;
  color: var(--text-secondary);
}

/* List view modifications */
.gallery.list-view .game-card {
  display: flex;
  align-items: center;
}

.gallery.list-view .game-image-container {
  width: 120px;
  min-width: 120px;
  height: 90px;
}

.gallery.list-view .game-image {
  height: 100%;
  aspect-ratio: auto;
}

.gallery.list-view .game-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gallery.list-view .game-title {
  font-size: 1.1rem;
  margin: 0;
}

.gallery.list-view .game-details {
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

/* Empty states */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 3rem;
  text-align: center;
  grid-column: 1 / -1;
}

.empty-state i {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.empty-state h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.empty-search-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 3rem;
  text-align: center;
  grid-column: 1 / -1;
}

.empty-search-state i {
  font-size: 3rem;
  color: var(--nav-bg);
  margin-bottom: 1rem;
}

.empty-search-state h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.empty-search-state p {
  color: var(--text-secondary);
}

/* Search bar and filters */
.library-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.search-bar {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-input {
  width: 100%;
  padding: 0.7rem 1rem;
  padding-right: 2.5rem;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  color: var(--text-primary);
}

.search-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-color);
}

.search-btn {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 2.5rem;
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
}

.search-btn:hover {
  color: var(--accent-color);
}

.view-options {
  display: flex;
  gap: 0.5rem;
}

.view-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.view-btn:hover, .view-btn.active {
  background-color: var(--accent-color);
  color: var(--primary-bg);
}

.console-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.console-filter {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.console-filter:hover, .console-filter.active {
  background-color: var(--accent-color);
  color: var(--primary-bg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .library-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-bar {
    max-width: none;
  }
  
  .view-options {
    align-self: flex-end;
  }
  
  .gallery.list-view .game-card {
    flex-direction: column;
    align-items: stretch;
  }
  
  .gallery.list-view .game-image-container {
    width: 100%;
    height: auto;
  }
  
  .gallery.list-view .game-info {
    flex-direction: column;
  }
  
  .gallery.list-view .game-details {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    margin-top: 0.5rem;
  }
}
  
  /* Upload Section */
  .upload-section {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  }
  
  .upload-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  @media (max-width: 768px) {
    .upload-container {
      grid-template-columns: 1fr;
    }
  }
  
  .upload-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
  }
  
  .upload-box {
    border: 2px dashed var(--nav-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    background-color: var(--card-bg);
    transition: border-color var(--transition-speed) ease;
    cursor: pointer;
    position: relative;
  }
  
  .upload-box:hover {
    border-color: var(--accent-color);
  }
  
  .upload-box i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
  }
  
  .upload-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
  }
  
  .upload-list {
    margin-top: 1.5rem;
  }
  
  .upload-item {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
  }
  
  .upload-item-icon {
    margin-right: 1rem;
    color: var(--accent-color);
  }
  
  .upload-item-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .upload-status {
    width: 20px;
    height: 20px;
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-align: center;
    text-decoration: none;
  }
  
  .btn:hover {
    background-color: #4da8e2;
    transform: translateY(-2px);
  }
  
  .btn-secondary {
    background-color: var(--nav-bg);
    color: var(--text-primary);
  }
  
  .btn-secondary:hover {
    background-color: var(--card-hover);
  }
  
  /* Modal */
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
  }
  
  .modal-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .modal {
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: transform var(--transition-speed) ease;
  }
  
  .modal-overlay.active .modal {
    transform: translateY(0);
  }
  
  .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .modal-title {
    font-size: 1.3rem;
    font-weight: bold;
  }
  
  .close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
  }
  
  .close-modal:hover {
    color: var(--accent-color);
  }
  
  .modal-body {
    margin-bottom: 1.5rem;
  }
  
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }
  
  .form-input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--nav-bg);
    border-radius: var(--border-radius);
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: border-color var(--transition-speed) ease;
  }
  
  .form-input:focus {
    outline: none;
    border-color: var(--accent-color);
  }
  
  .avatar-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 0.5rem;
  }
  
  .avatar-option {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color var(--transition-speed) ease;
  }
  
  .avatar-option.selected {
    border-color: var(--accent-color);
  }
  
  .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
  }
  
  /* Game Player */
  .game-player {
    max-width: 960px;
    margin: 0 auto;
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }
  
  .player-info {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .player-title {
    font-size: 1.3rem;
    color: var(--text-primary);
  }
  
  .player-console {
    color: var(--accent-color);
    text-transform: uppercase;
    font-size: 0.9rem;
  }
  
  .player-actions {
    display: flex;
    gap: 0.8rem;
  }
  
  .action-btn {
    background-color: var(--nav-bg);
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
  }
  
  .action-btn:hover {
    background-color: var(--card-hover);
    color: var(--accent-color);
  }
  
  .game-embed {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: #000;
  }
  
  /* Responsive Design */
  @media (max-width: 991px) {
    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
  }
  
  @media (max-width: 768px) {
    .container {
      width: 95%;
      padding: 0 10px;
    }
    
    .nav-menu {
      gap: 0.8rem;
    }
    
    .nav-menu a {
      padding: 0.4rem 0.8rem;
    }
    
    .page-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 1rem;
    }
  }
  
  @media (max-width: 480px) {
    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
      gap: 1rem;
    }
    
    .nav-menu a {
      padding: 0.3rem 0.6rem;
      font-size: 0.9rem;
    }
  }