/* AI打标页面样式 */
:root {
    --primary-color: #4a6baf;
    --secondary-color: #6c757d;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --border-radius: 0.375rem;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    margin-bottom: 1.5rem;
}

.page-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.loading-container, .error-container {
    text-align: center;
    padding: 3rem 0;
}

.error-container {
    color: var(--danger-color);
}

.card {
    border: none;
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.75rem 1rem;
}

.card-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.card-header .d-flex.gap-2 {
    gap: 0.5rem;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(74, 107, 175, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.upload-area.dragover i {
    color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #3a569b;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* 训练按钮样式 */
.btn-success {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-success:hover {
    background-color: #218838;
}

#uploadFolderBtn {
    background-color: #6c757d;
}

#uploadFolderBtn:hover {
    background-color: #5a6268;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    max-height: 600px;
    overflow-y: auto;
    padding: 0.5rem;
}

.image-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.2s;
}

.image-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.image-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.image-item .tag-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 30px;
}

.image-item .image-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    justify-content: space-around;
    padding: 0.3rem;
    opacity: 0;
    transition: opacity 0.2s;
}

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

.image-item .image-actions button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 0.875rem;
}

.image-item .image-actions button:hover {
    color: var(--warning-color);
}

.empty-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 0;
    color: #aaa;
}

.empty-message i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.image-preview-container {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f0f0f0;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 400px;
    position: relative;
}

.image-preview-container img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.tags-container {
    height: 400px;
    display: flex;
    flex-direction: column;
}

/* 新的描述文本区样式 */
#tagDescription {
    width: 100%;
    height: 80%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    resize: none;
    font-size: 0.95rem;
    line-height: 1.5;
    background-color: #ffffff;
    color: #333;
}

#tagDescription:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 107, 175, 0.25);
}

/* 提示词输入框容器样式 */
.prompt-container, .position-relative {
    position: relative;
}

.btn-fullscreen {
    position: absolute;
    right: 10px;
    top: 10px;
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s, opacity 0.2s;
    opacity: 0;
}

.prompt-container:hover .btn-fullscreen,
.position-relative:hover .btn-fullscreen {
    opacity: 1;
}

.btn-fullscreen:hover {
    color: var(--primary-color);
}

/* 全屏模式下的提示词输入框 */
.prompt-fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1100;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.prompt-fullscreen-container {
    width: 80%;
    height: 80%;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.prompt-fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
}

.prompt-fullscreen-title {
    margin: 0;
    font-size: 1.2rem;
}

.prompt-fullscreen-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.prompt-fullscreen-textarea {
    flex: 1;
    border: none;
    resize: none;
    padding: 15px;
    font-size: 1.1rem;
}

.prompt-fullscreen-textarea:focus {
    outline: none;
}

@media (max-width: 768px) {
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    .row {
        margin: 0;
    }

    .col-md-7, .col-md-5 {
        padding: 0.5rem;
    }

    .tags-container {
        margin-top: 1rem;
    }

    .card-header .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }

    .card-header .d-flex.gap-2 {
        flex-direction: row;
        width: 100%;
        justify-content: space-between;
        align-items: center;
    }

    /* 移动端按钮组样式调整 */
    .card-header .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .card-header .btn-group .btn {
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
        border-radius: var(--border-radius) !important;
        flex: 1;
        min-width: auto;
    }

    /* 在移动端显示图标但缩短文字 */
    .card-header .btn-group .btn span {
        display: none;
    }
    
    .card-header .btn-group .btn i {
        margin-right: 0 !important;
        margin-left: 0 !important;
    }

    #historyPrevBtn, 
    #historyNextBtn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    #historyImageName {
        font-size: 1rem;
    }
    
    .image-filename {
        font-size: 1rem;
        min-width: 150px;
        padding: 0.4rem 0.8rem;
    }
    
    .image-index-badge {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }
    
    .modal-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: center !important;
    }
    
    .pagination-info {
        order: 1;
    }
    
    .modal-actions {
        order: 2;
        width: 100%;
        justify-content: center;
    }
}

/* 超小屏幕进一步优化 */
@media (max-width: 576px) {
    .card-header h5 {
        font-size: 1rem;
    }
    
    .card-header .btn-group {
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .card-header .d-flex {
        align-items: stretch !important;
    }
    
    .card-header .btn-group .btn {
        flex: 1;
        text-align: center;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* 图片加载层样式 */
.image-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    border-radius: var(--border-radius);
    z-index: 10;
}

.image-loading-overlay .spinner {
    width: 2rem;
    height: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-bottom: 0.5rem;
}

.image-loading-overlay .progress-text {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 标注完成状态 */
.image-item.tagged .tag-badge {
    background-color: var(--success-color);
}

/* 标注进行中状态 */
.image-item.tagging .tag-badge {
    background-color: var(--primary-color);
}

/* 标注失败状态 */
.image-item.tag-failed .tag-badge {
    background-color: var(--danger-color);
}

/* 历史记录样式 */
.btn-info {
    background-color: #17a2b8;
    border-color: #17a2b8;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-info:hover {
    background-color: #138496;
}

.btn-info.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.batch-list {
    max-height: 400px;
    overflow-y: auto;
}

.batch-item {
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: white;
}

.batch-item:hover {
    background-color: #f8f9fa;
    border-color: var(--primary-color);
}

.batch-item.active {
    background-color: rgba(74, 107, 175, 0.1);
    border-color: var(--primary-color);
}

.batch-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.batch-id {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.batch-date {
    font-size: 0.8rem;
    color: #6c757d;
}

.batch-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #6c757d;
}

.batch-progress {
    width: 100%;
    height: 6px;
    background-color: #e9ecef;
    border-radius: 3px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.batch-progress-bar {
    height: 100%;
    transition: width 0.3s ease;
}

.batch-progress-bar.completed {
    background-color: var(--success-color);
}

.batch-progress-bar.processing {
    background-color: var(--primary-color);
}

.batch-progress-bar.failed {
    background-color: var(--danger-color);
}

.batch-progress-bar.partial {
    background: linear-gradient(90deg, var(--success-color) 0%, var(--warning-color) 100%);
}

.task-list {
    max-height: 400px;
    overflow-y: auto;
}

.task-item {
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.task-item:hover {
    background-color: #f8f9fa;
    border-color: var(--primary-color);
}

.task-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    object-fit: cover;
    flex-shrink: 0;
}

.task-info {
    flex-grow: 1;
}

.task-status {
    font-size: 0.8rem;
    font-weight: 500;
}

.task-status.completed {
    color: var(--success-color);
}

.task-status.failed {
    color: var(--danger-color);
}

.task-status.processing {
    color: var(--primary-color);
}

.task-status.pending {
    color: var(--warning-color);
}

.task-caption-preview {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 0.25rem;
    line-height: 1.3;
    max-height: 2.6em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.empty-state {
    color: #6c757d;
}

.empty-state i {
    opacity: 0.5;
}

.history-details .form-control {
    border: 1px solid #e9ecef;
    resize: none;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: #000 !important;
}

/* 头部按钮组样式 */
.card-header .btn-group {
    white-space: nowrap;
}

.card-header .btn-group .btn {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0;
}

.card-header .btn-group .btn:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.card-header .btn-group .btn:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.card-header .btn-outline-success {
    color: var(--success-color);
    border-color: var(--success-color);
}

.card-header .btn-outline-success:hover {
    background-color: var(--success-color);
    color: white;
}

.card-header .btn-outline-warning {
    color: #fd7e14;
    border-color: #fd7e14;
}

.card-header .btn-outline-warning:hover {
    background-color: #fd7e14;
    color: white;
}

.card-header .btn-outline-info {
    color: #17a2b8;
    border-color: #17a2b8;
}

.card-header .btn-outline-info:hover {
    background-color: #17a2b8;
    border-color: #17a2b8;
    color: white;
}

/* 导出按钮样式 */
.export-batch-btn {
    background-color: transparent;
    border: 1px solid #28a745;
    color: #28a745;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.2s;
    cursor: pointer;
}

.export-batch-btn:hover {
    background-color: #28a745;
    color: white;
    transform: scale(1.1);
}

.export-batch-btn:active {
    transform: scale(0.95);
}

/* 批次项底部布局调整 */
.batch-item .d-flex.justify-content-between {
    align-items: center;
}

.batch-item .d-flex.justify-content-between small {
    flex: 1;
    margin-right: 0.5rem;
}

/* 历史详情模态框导航按钮样式 */
.image-preview-container {
    position: relative;
}

/* 导航按钮基础样式 */
#historyPrevBtn, 
#historyNextBtn {
    opacity: 0.7;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(13, 110, 253, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 导航按钮悬停效果 */
#historyPrevBtn:hover, 
#historyNextBtn:hover {
    opacity: 1;
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 1);
    border-color: #0d6efd;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* 禁用状态的导航按钮 */
#historyPrevBtn:disabled, 
#historyNextBtn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background-color: rgba(248, 249, 250, 0.8);
    border-color: rgba(108, 117, 125, 0.3);
}

#historyPrevBtn:disabled:hover, 
#historyNextBtn:disabled:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 图片信息区域样式 */
.image-info-section {
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 0.75rem;
    border: 1px solid #e9ecef;
}

/* 图片文件名样式 */
.image-filename {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    word-break: break-all;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background-color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
    display: inline-block;
    min-width: 200px;
}

/* 图片索引标识样式 */
.image-index-badge {
    font-size: 0.9rem;
    color: white;
    font-weight: 500;
    background-color: var(--primary-color);
    padding: 0.375rem 1rem;
    border-radius: 20px;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 模态框底部翻页信息样式 */
.modal-footer {
    border-top: 1px solid #dee2e6;
    background-color: #f8f9fa;
    padding: 1rem 1.5rem;
}

.pagination-info {
    display: flex;
    align-items: center;
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}