/* Configuration Components */
.config-container {
    display: grid;
    gap: var(--spacing-2xl);
    max-width: 800px;
}

.config-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.config-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

/* Configuration Form */
.config-form {
    display: grid;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input:invalid {
    border-color: var(--error-color);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* QR Code Components */
.qr-scanner-container,
.qr-export-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.qr-scanner {
    width: 300px;
    height: 300px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
}

.qr-code-display {
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Upload Components */
.upload-container {
    display: grid;
    gap: var(--spacing-2xl);
}

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    background-color: var(--bg-secondary);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.drop-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.drop-zone h3 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin: 0;
}

.drop-zone p {
    color: var(--text-secondary);
    margin: 0;
}

/* Upload Queue */
.upload-queue {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.upload-queue h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.upload-list {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
}

.upload-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.upload-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
}

.upload-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.upload-filename {
    font-weight: 500;
    color: var(--text-primary);
}

.upload-size {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.upload-progress {
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.upload-progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.upload-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.upload-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Gallery Components */
.gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
}

.search-container {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 400px;
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.view-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.view-controls .btn {
    padding: var(--spacing-sm);
    min-width: 2.5rem;
}

.view-controls .btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-fast);
    background-color: var(--bg-tertiary);
}

.photo-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.photo-item:hover .photo-overlay {
    opacity: 1;
}

/* Modal Components */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn var(--transition-normal);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Photo Viewer */
.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.viewer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.viewer-info span:first-child {
    font-weight: 500;
    color: var(--text-primary);
}

.viewer-info span:last-child {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.viewer-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.viewer-body {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 500px;
    background-color: var(--bg-primary);
}

.image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.viewer-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-arrow:hover {
    background-color: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%) scale(1.1);
}

.nav-arrow-left {
    left: var(--spacing-md);
}

.nav-arrow-right {
    right: var(--spacing-md);
}

.viewer-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.photo-metadata {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.image-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Key input group styling */
.key-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.key-input-group input {
    flex: 1;
}

.key-input-group .btn {
    flex-shrink: 0;
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.key-input-group .btn-secondary {
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.key-input-group .btn-secondary:hover {
    background: var(--surface-tertiary);
    border-color: var(--primary-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .config-container {
        gap: var(--spacing-xl);
    }
    
    .config-section {
        padding: var(--spacing-lg);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .gallery-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .viewer-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .viewer-footer {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-arrow {
        width: 2.5rem;
        height: 2.5rem;
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .drop-zone {
        padding: var(--spacing-xl);
    }
    
    .drop-icon {
        font-size: 2rem;
    }
    
    .upload-item {
        padding: var(--spacing-sm);
    }
    
    .upload-thumbnail {
        width: 50px;
        height: 50px;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .search-container {
        max-width: none;
    }
}