/* 导入苹果字体 */
@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Display:wght@400;500;600&display=swap');

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.5;
}

.container {
    max-width: 1440px;
    margin: 40px auto;
    padding: 0 20px;
}

h1 {
    text-align: center;
    font-weight: 500;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

/* 上传区域样式 */
.upload-area {
    background: white;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px dashed #e5e5e5;
    margin-bottom: 30px;
}

.upload-area:hover {
    border-color: #0071e3;
    background: #f5f5f7;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.upload-placeholder img {
    width: 48px;
    height: 48px;
    margin-bottom: 10px;
}

.upload-placeholder p {
    font-size: 1.2rem;
    color: #1d1d1f;
}

.upload-placeholder span {
    font-size: 0.9rem;
    color: #86868b;
}

/* 压缩控制面板 */
.compression-panel {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.file-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: #1d1d1f;
}

.control-group {
    margin-bottom: 20px;
}

input[type="range"] {
    width: 100%;
    margin: 10px 0;
    -webkit-appearance: none;
    background: #e5e5e5;
    height: 4px;
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #0071e3;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* 按钮样式 */
.action-btn {
    background: #f5f5f7;
    color: #1d1d1f;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

.action-btn.primary {
    background: #0071e3;
    color: white;
}

.action-btn:hover {
    transform: translateY(-1px);
    background: #e5e5e7;
}

.action-btn.primary:hover {
    background: #0077ED;
}

.action-btn:disabled {
    background: #999;
    cursor: not-allowed;
    transform: none;
}

/* 添加文件列表样式 */
.files-panel {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

.files-list {
    margin-bottom: 20px;
}

.file-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px;
    gap: 40px;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid #f5f5f7;
}

.file-item:last-child {
    border-bottom: none;
}

.file-info {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.file-name {
    font-size: 0.95rem;
    color: #1d1d1f;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-sizes {
    font-size: 0.85rem;
    color: #86868b;
    white-space: nowrap;
    display: flex;
    gap: 4px;
    align-items: center;
}

.file-status {
    font-size: 0.85rem;
    white-space: nowrap;
    display: inline;
}

.file-status.processing {
    color: #0071e3;
}

.file-status.done {
    color: #34c759;
}

.file-status.error {
    color: #ff3b30;
}

/* 单个文件下载按钮 */
.download-single {
    padding: 4px 12px;
    font-size: 0.85rem;
    border-radius: 12px;
    background: #0071e3;
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    width: 80px;
    justify-self: end;
}

.download-single:hover {
    background: #0077ED;
    transform: translateY(-1px);
}

.download-single:disabled {
    background: #999;
    cursor: not-allowed;
    transform: none;
}

/* 调整底部下载所有按钮的样式 */
.download-all-container {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e7;
}