.drop-zone {
        border: 2px dashed #dee2e6;
        border-radius: 0.5rem;
        padding: 3rem 1rem;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s;
        background-color: #f8f9fa;
    }
    
    .drop-zone:hover {
        border-color: #0d6efd;
        background-color: #e7f1ff;
    }
    
    .drop-zone.dragover {
        border-color: var(--success-color);
        background-color: color-mix(in srgb, var(--success-color) 15%, var(--card-bg));
    }
    
    .drop-zone i {
        font-size: 3rem;
        color: #6c757d;
        margin-bottom: 1rem;
    }
    
    .image-preview {
        max-width: 100%;
        max-height: 300px;
        border-radius: 0.375rem;
        box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    }
    
    .base64-output {
        font-family: 'Courier New', monospace;
        font-size: 12px;
        line-height: 1.4;
        white-space: pre-wrap;
        word-break: break-all;
        max-height: 300px;
        overflow-y: auto;
        background-color: #f8f9fa;
        border: 1px solid #dee2e6;
        border-radius: 0.375rem;
        padding: 1rem;
    }
    
    .theme-dark .base64-output {
        background-color: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .theme-dark .drop-zone {
        background-color: #2d3748;
        border-color: #4a5568;
    }
    
    .theme-dark .drop-zone:hover {
        border-color: #4299e1;
        background-color: #2d3748;
    }
    
    .image-info-card {
        border-left: 4px solid #0d6efd;
    }
    
    .format-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .file-list {
        max-height: 200px;
        overflow-y: auto;
    }
    
    .file-item {
        padding: 0.5rem;
        border-bottom: 1px solid #dee2e6;
        transition: background-color 0.2s;
    }
    
    .file-item:hover {
        background-color: #f8f9fa;
    }
    
    .theme-dark .file-item {
        border-bottom-color: #4a5568;
    }
    
    .theme-dark .file-item:hover {
        background-color: #2d3748;
    }
    
    /* 示例卡片样式 */
    .example-card {
        background-color: var(--light-color);
        border: 1px solid var(--card-border);
        color: var(--body-color);
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .example-card:hover {
        background-color: color-mix(in srgb, var(--primary-color) 10%, var(--light-color));
        border-color: var(--primary-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    
    .example-card:active {
        transform: translateY(0);
    }
    
    .example-preview {
        font-family: 'Courier New', monospace;
        font-size: 11px;
        color: var(--secondary-color);
        word-break: break-all;
        max-height: 60px;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }
    
    /* 支持格式模块样式 */
    .d-flex.align-items-center.p-2.border.rounded {
        background-color: var(--light-color);
        border-color: var(--card-border) !important;
        color: var(--body-color);
    }
    
    .d-flex.align-items-center.p-2.border.rounded:hover {
        background-color: color-mix(in srgb, var(--primary-color) 5%, var(--light-color));
        border-color: var(--primary-color) !important;
    }
    
    .extra-small {
        font-size: 0.7rem;
    }
    
    /* 工具特性模块样式 */
    .card-body {
        color: var(--body-color);
    }
    
    .card-body li {
        color: var(--body-color);
    }
    
    .card-body .text-muted {
        color: var(--secondary-color) !important;
    }
    
    .progress-container {
        height: 4px;
        background-color: #e9ecef;
        border-radius: 2px;
        overflow: hidden;
        margin-top: 0.5rem;
    }
    
    .progress-bar {
        height: 100%;
        background-color: #0d6efd;
        transition: width 0.3s;
    }
    
    .theme-dark .progress-container {
        background-color: #4a5568;
    }