:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #333333;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --border-color: #404040;
    --accent-color: #0d6efd;
    --accent-hover: #0b5ed7;
    --card-bg: #2d2d2d;
    --card-hover: #363636;
    --alert-bg: #2d2d2d;
    --alert-border: #404040;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.file-manager {
    padding: 0.5rem;
}

.file-grid {
    margin-top: 0.5rem;
    position: relative;
    min-height: 200px;
    transition: opacity 0.3s ease-in-out;
}

.file-grid.loading {
    opacity: 0.5;
    pointer-events: none;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
}

.card {
    transition: all 0.2s ease-in-out;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    opacity: 1;
    transform: translateY(0);
    margin-bottom: 0.5rem;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    background-color: var(--card-hover);
}

.card.selected {
    border-color: var(--accent-color);
    background-color: rgba(13, 110, 253, 0.15);
}

.card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    min-height: 120px;
    padding: 0.5rem;
    color: var(--text-primary);
}

.card-body .form-check {
    position: absolute;
    top: 0.25rem;
    left: 0.25rem;
    z-index: 1;
}

.image-container {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.image-container:hover {
    transform: scale(1.02);
}

.card-body img {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
    pointer-events: none;
    transition: opacity 0.2s ease-in-out;
}

.card-body .card-title {
    font-size: 0.875rem;
    margin: 0.25rem 0;
    padding: 0 0.25rem;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-body .card-text {
    font-size: 0.75rem;
    margin: 0;
    color: var(--text-secondary);
}

.card-body .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    margin-top: 0.25rem;
}

.row-cols-1 {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.5rem;
}

.row-cols-md-2 {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.5rem;
}

.row-cols-lg-4 {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.5rem;
}

.toolbar {
    background-color: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
}

.toolbar .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb {
    background-color: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb-item a {
    transition: color 0.2s ease-in-out;
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
}

.image-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
    width: 100%;
    height: 600px;
    background-color: #000;
    padding-bottom: 45px;
}

.image-navigation .image-container {
    flex: 1;
    height: 100%;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    padding: 1rem;
}

.image-navigation img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

.navigation-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    opacity: 0.7;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.navigation-btn:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
    background-color: rgba(0, 0, 0, 0.8);
}

.navigation-btn:first-child {
    left: 1rem;
}

.navigation-btn:last-child {
    right: 1rem;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1040;
    transition: opacity 0.3s ease-in-out;
}

.alert {
    margin-bottom: 1rem;
    transition: opacity 0.3s ease-in-out;
    background-color: var(--alert-bg);
    border-color: var(--alert-border);
    color: var(--text-primary);
}

.modal-xl {
    max-width: 1200px;
    margin: 1.75rem auto;
}

.modal-content {
    background-color: #000;
    color: var(--text-primary);
    border: none;
    border-radius: 0.5rem;
    transition: transform 0.3s ease-in-out;
    height: 700px;
    display: flex;
    flex-direction: column;
}

.modal-header {
    border-bottom-color: var(--border-color);
    padding: 1rem;
    flex-shrink: 0;
    height: 60px;
}

.modal-body {
    padding: 0;
    flex: 1;
    overflow: hidden;
    height: 600px;
}

.modal-footer {
    border-top-color: var(--border-color);
    padding: 1rem;
    flex-shrink: 0;
}

.badge {
    font-size: 0.9rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn {
    transition: all 0.2s ease-in-out;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--card-hover);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-primary {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-check-input {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.text-warning {
    color: #ffc107 !important;
}

.text-primary {
    color: var(--accent-color) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.folder-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0.5rem 0;
}

.folder-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}