/* 图片上传管理页面样式 */

:root {
    --primary-light: #e6f7ff;
    --primary-main: #1890ff;
    --primary-dark: #096dd9;
    --secondary-main: #52c41a;
    --danger-main: #ff4d4f;

    --background: #ffffff;
    --surface: #f8f9fa;
    --surface-light: #fafafa;
    --surface-dark: #f0f0f0;

    --text-primary: #262626;
    --text-secondary: #8c8c8c;
    --text-disabled: #bfbfbf;

    --border-light: #e8e8e8;
    --border-main: #d9d9d9;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* 上传页面布局 */
.upload-container {
    min-height: 100vh;
    background-color: var(--surface-light);
}

.upload-header {
    background: linear-gradient(135deg, var(--primary-light) 0%, #f0f9ff 100%);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.upload-header h1 {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-main);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--primary-main);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-main {
    padding: var(--spacing-xl) 0;
}

/* 上传区域样式 */
.upload-section {
    margin-bottom: var(--spacing-xl);
}

.upload-section h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.upload-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.upload-area {
    border: 3px dashed var(--border-main);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    background-color: var(--surface-light);
    transition: all 0.3s ease;
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.upload-area.drag-over {
    border-color: var(--primary-main);
    background-color: var(--primary-light);
    transform: scale(1.02);
}

.upload-area i {
    font-size: 3rem;
    color: var(--text-disabled);
    margin-bottom: var(--spacing-md);
}

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

.upload-hint {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

#file-input {
    display: none;
}

.browse-btn {
    display: inline-block;
    background-color: var(--primary-main);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

.browse-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 上传选项 */
.upload-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--surface-light);
    border-radius: var(--radius-md);
}

/* 社区卡片中的上传选项不使用网格布局 */
.community-card .upload-options {
    display: flex;
    flex-direction: column;
    grid-template-columns: unset;
    background-color: transparent;
    padding: 0;
    margin-bottom: 0;
}

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

.option-group label {
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.option-group select,
.option-group input {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-sm);
    font-family: inherit;
    background-color: white;
}

.filename-input {
    display: flex;
    align-items: center;
}

.filename-input input {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.extension {
    background-color: var(--surface);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-main);
    border-left: none;
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.option-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

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

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin: 0;
}

/* 预览区域 */
.upload-preview {
    margin-bottom: var(--spacing-lg);
}

.upload-preview h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    min-height: 200px;
    background-color: var(--surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px dashed var(--border-main);
}

.empty-preview {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-disabled);
    padding: var(--spacing-xl);
}

.empty-preview i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.preview-item {
    position: relative;
    background-color: white;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.preview-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.preview-img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    background-color: var(--surface);
}

.preview-info {
    padding: var(--spacing-sm);
}

.preview-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.remove-preview {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    color: var(--danger-main);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-item:hover .remove-preview {
    opacity: 1;
}

/* 上传操作按钮 */
.upload-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.btn-primary,
.btn-secondary,
.btn-danger {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-main);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    background-color: var(--text-disabled);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-main);
}

.btn-secondary:hover {
    background-color: var(--surface);
    border-color: var(--border-light);
}

.btn-danger {
    background-color: var(--danger-main);
    color: white;
}

.btn-danger:hover {
    background-color: #ff7875;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 管理区域样式 */
.manage-section {
    margin-bottom: var(--spacing-xl);
}

.manage-section h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.manage-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2.5rem;
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    font-family: inherit;
}

.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--surface-light);
    color: var(--text-primary);
}

.filter-btn.active {
    background-color: var(--primary-main);
    color: white;
    border-color: var(--primary-main);
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    min-height: 300px;
    background-color: var(--surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px dashed var(--border-main);
}

.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-disabled);
    padding: var(--spacing-xl);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.empty-state h4 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.image-item {
    background-color: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.image-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.image-thumb {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background-color: var(--surface);
}

.image-info {
    padding: var(--spacing-sm);
}

.image-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.image-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.image-category {
    font-size: 0.75rem;
    color: white;
    background-color: var(--primary-main);
    padding: 2px 8px;
    border-radius: 20px;
}

.image-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.image-actions {
    display: flex;
    padding: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
    gap: var(--spacing-xs);
}

.image-btn {
    flex: 1;
    padding: var(--spacing-xs);
    background-color: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.image-btn:hover {
    background-color: var(--surface-light);
    color: var(--text-primary);
}

.image-btn.delete:hover {
    background-color: var(--danger-main);
    color: white;
    border-color: var(--danger-main);
}

.manage-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.manage-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.manage-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* 帮助区域样式 */
.help-section {
    margin-bottom: var(--spacing-xl);
}

.help-section h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.help-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.help-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.help-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.help-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.help-card ul {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.help-card li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.help-card pre {
    background-color: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.help-card code {
    background-color: var(--surface);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--primary-dark);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.help-tip {
    background-color: var(--primary-light);
    border-left: 4px solid var(--primary-main);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* 页脚样式 */
.upload-footer {
    background-color: var(--surface-dark);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-light);
}

.upload-footer p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.footer-note {
    font-size: 0.875rem;
    color: var(--text-disabled);
    margin: var(--spacing-sm) 0;
}

.footer-link {
    color: var(--primary-main);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-dark);
    gap: var(--spacing-sm);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-body {
    padding: var(--spacing-lg);
}

.progress-bar {
    height: 8px;
    background-color: var(--surface);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-main);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

#progress-text {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.file-list {
    max-height: 200px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

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

.file-name {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.file-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 20px;
}

.file-status.success {
    background-color: #f6ffed;
    color: var(--secondary-main);
    border: 1px solid #b7eb8f;
}

.file-status.error {
    background-color: #fff2f0;
    color: var(--danger-main);
    border: 1px solid #ffccc7;
}

.file-status.processing {
    background-color: #e6f7ff;
    color: var(--primary-main);
    border: 1px solid #91d5ff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .upload-options {
        grid-template-columns: 1fr;
    }

    .preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .help-content {
        grid-template-columns: 1fr;
    }

    .manage-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary,
    .btn-danger {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .upload-nav {
        flex-direction: column;
    }

    .nav-link {
        justify-content: center;
    }

    .upload-actions {
        flex-direction: column;
    }

    .image-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .filter-tabs {
        justify-content: center;
    }
}