/**
 * AI 批量换背景 - 页面特有样式
 * 基于 common.css 的扩展
 */

/* ========== 页面头部 ========== */
.page-header {
    text-align: center;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.page-header h1 i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 上传区域 ========== */
.upload-section {
    margin-bottom: 0;
}

.upload-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
}

.upload-label i {
    margin-right: 6px;
    color: var(--accent-primary);
}

.upload-count {
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: normal;
}

.text-required {
    color: var(--danger-color);
    font-weight: normal;
}

/* ========== 文件/文件夹切换 ========== */
.upload-mode-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.upload-mode-btn {
    flex: 1;
    padding: 10px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

.upload-mode-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #000;
}

[data-theme="light"] .upload-mode-btn.active {
    color: #fff;
}

/* ========== 姿势选项 ========== */
.pose-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pose-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.pose-option:hover {
    border-color: var(--accent-primary);
}

.pose-option:has(input:checked) {
    border-color: var(--accent-primary);
    background-color: rgba(138, 180, 248, 0.1);
}

.pose-option input {
    display: none;
}

.pose-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pose-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.pose-label i {
    color: var(--accent-primary);
}

.pose-option small {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ========== 进度条 ========== */
.batch-progress {
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 12px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.progress-text {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.btn-stop {
    padding: 8px 16px;
    background-color: var(--danger-color);
    border: none;
    border-radius: 20px;
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-stop:hover {
    opacity: 0.9;
}

.btn-stop:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.progress-bar-container {
    height: 8px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* ========== 结果展示 ========== */
.result-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

@media (min-width: 768px) {
    .result-container {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

.result-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--bg-tertiary);
}

.result-item .result-number {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    z-index: 1;
}

.result-item .result-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.result-item .result-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 12px 12px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.2s;
}

.result-item:hover .result-actions {
    opacity: 1;
}

.result-actions .btn-action {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.result-actions .btn-action:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ========== 错误结果 ========== */
.result-item.error {
    aspect-ratio: 3/4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(234, 67, 53, 0.1);
    border: 1px solid rgba(234, 67, 53, 0.3);
}

.result-item.error .error-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--danger-color);
    text-align: center;
    padding: 20px;
}

.result-item.error .error-content i {
    font-size: 32px;
}

.result-item.error .error-content span {
    font-size: 13px;
}

/* ========== 空状态 ========== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.empty-state p {
    font-size: 14px;
    margin: 0;
}

.empty-state small {
    color: var(--text-tertiary);
}

/* ========== 图片预览 ========== */
.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.image-preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.image-preview-item .image-number {
    position: absolute;
    top: 4px;
    left: 4px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    z-index: 1;
}

.image-preview-item .btn-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--danger-color);
    border: 2px solid var(--bg-primary);
    color: #fff;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
    z-index: 2;
}

.image-preview-item .btn-remove:hover {
    transform: scale(1.1);
}

/* ========== 统计信息高亮 ========== */
.info-value.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* ========== 提示列表 ========== */
.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.tips-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.tips-list li:last-child {
    border-bottom: none;
}

/* ========== 表单提示 ========== */
.form-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 6px;
}

/* ========== 侧边栏简化 ========== */
.sidebar-header {
    padding: 16px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========== 图片查看器 ========== */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.image-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.viewer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.viewer-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.viewer-actions {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
}

.viewer-actions button {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.viewer-actions button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 22px;
    }

    .upload-mode-toggle {
        flex-direction: column;
    }

    .pose-options {
        gap: 8px;
    }

    .pose-option {
        padding: 12px;
    }

    .result-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .result-item .result-actions {
        opacity: 1;
        padding: 24px 8px 8px;
    }

    .result-actions .btn-action {
        width: 36px;
        height: 36px;
    }

    .image-preview-item {
        width: 80px;
        height: 80px;
    }
}