/* 图像压缩工具样式 */

/* 主容器样式 */
.image-compressor-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* 上传区域样式 */
.upload-section {
    margin-bottom: 30px;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-color);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-color);
    opacity: 0.9;
}

.upload-zone.drag-over {
    border-color: var(--primary-color);
    background-color: rgba(79, 70, 229, 0.05); /* primary with opacity */
    transform: scale(1.01);
}

.upload-icon {
    color: var(--description-color);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.upload-zone:hover .upload-icon {
    color: var(--primary-color);
}

.upload-zone h3 {
    margin: 0 0 10px;
    font-size: 20px;
    color: var(--header-color);
}

.upload-zone p {
    margin: 0 0 15px;
    color: var(--description-color);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-button {
    padding: 10px 25px;
    font-size: 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color 0.3s ease;
    z-index: 1;
}

.upload-button:hover {
    background-color: var(--primary-hover);
}

.supported-formats {
    margin-top: 10px;
    font-size: 14px;
    color: var(--description-color);
}

/* 设置区域样式 */
.settings-section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.settings-group {
    margin-bottom: 0;
}

.settings-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--header-color);
    font-size: 14px;
}

/* 滑块容器 */
.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
    height: 40px; /* Align with inputs */
}

.quality-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.quality-slider::-webkit-slider-thumb:hover {
    background: var(--primary-hover);
}

.quality-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease;
}

.quality-slider::-moz-range-thumb:hover {
    background: var(--primary-hover);
}

.slider-value {
    font-weight: 500;
    color: var(--primary-color);
    min-width: 45px;
    text-align: right;
}

/* 格式选项 */
.format-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
    height: 40px;
}

.format-option {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 0 !important;
}

.format-option input[type="radio"] {
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* 尺寸输入 */
.dimensions-container {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
}

.dimension-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    background-color: var(--input-bg);
    color: var(--input-text);
}

.dimension-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

/* 复选框选项 */
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    margin-top: 8px;
    font-size: 14px;
    color: var(--text-color);
}

.checkbox-option input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: 10px 20px;
    font-size: 16px;
}

/* 预览区域样式 */
.preview-section {
    margin-bottom: 30px;
}

.preview-section h3 {
    margin-bottom: 15px;
    font-size: 18px;
    color: var(--header-color);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    min-height: 200px;
}

.empty-preview {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    color: var(--description-color);
    font-style: italic;
    border: 1px dashed var(--border-color);
}

/* 预览项样式 */
.preview-item {
    display: flex;
    flex-direction: column;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
}

.preview-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preview-image-container {
    margin-bottom: 15px;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-color); /* Checkerboard pattern could be better for transparency */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    position: relative;
    border: 1px solid var(--border-color);
}

.preview-image {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.preview-info {
    margin-bottom: 15px;
}

.preview-filename {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 8px;
    word-break: break-all;
    font-size: 14px;
}

.preview-stats {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--description-color);
}

.preview-buttons {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.preview-buttons .btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
}

/* 批量处理区域 */
.batch-processing-section {
    margin-bottom: 20px;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.batch-processing-section h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: var(--header-color);
}

.batch-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stat-label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--description-color);
}

.stat-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
}

/* 信息区域样式 */
.image-compressor-info {
    max-width: 1200px;
    margin: 0 auto 30px;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.image-compressor-info h3 {
    margin-bottom: 15px;
    font-size: 18px;
    color: var(--header-color);
}

.info-content h4 {
    margin: 15px 0 8px;
    font-size: 16px;
    color: var(--text-color);
}

.info-content p {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--description-color);
}

.info-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.info-content li {
    margin-bottom: 6px;
    line-height: 1.5;
    color: var(--description-color);
}

/* 加载状态 */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    z-index: 10;
}

[data-theme="dark"] .loading-overlay {
    background-color: rgba(0, 0, 0, 0.7);
}

.loading-spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 成功动画 */
@keyframes successPulse {
    0% { transform: scale(1); border-color: var(--success-color); }
    50% { transform: scale(1.02); border-color: var(--success-color); }
    100% { transform: scale(1); border-color: var(--border-color); }
}

.preview-item.success {
    animation: successPulse 0.5s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .image-compressor-container {
        padding: 15px;
    }
    
    .upload-zone {
        padding: 30px 15px;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .format-options {
        height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .batch-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dimensions-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .batch-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 10px;
    }
    
    .preview-buttons {
        flex-direction: column;
    }
}