/* 加载覆盖层 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

#loadingText {
    color: #2c3e50;
    font-weight: 500;
    margin: 0;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 90%;
    max-height: 90%;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e1e8ed;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.modal-header h3 {
    margin: 0;
    color: #2c3e50;
}

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-body pre {
    background: #f8f9fa;
    border: 1px solid #e1e8ed;
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 推荐卡片样式 */
.recommendations-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.recommendation-card {
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.recommendation-card:hover {
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.recommendation-card.selected {
    border-color: #3498db;
    background: rgba(52, 152, 219, 0.1);
}

.recommendation-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recommendation-card p {
    color: #7f8c8d;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

.chart-type-icon {
    font-size: 1.2rem;
    color: #3498db;
}

/* 配置表单样式 */
.config-form-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #34495e;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control select {
    cursor: pointer;
}

/* 开关样式 */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #3498db;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* 颜色选择器样式 */
.color-picker-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-preview {
    width: 30px;
    height: 30px;
    border: 2px solid #e1e8ed;
    border-radius: 4px;
    cursor: pointer;
}

input[type="color"] {
    width: 40px;
    height: 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* 范围滑块样式 */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e1e8ed;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
    border: none;
}

/* 多选框组样式 */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #3498db;
}

/* 提示信息样式 */
.form-help {
    font-size: 0.8rem;
    color: #7f8c8d;
    margin-top: 0.25rem;
    font-style: italic;
}

/* 错误状态样式 */
.form-control.error {
    border-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 成功状态样式 */
.form-control.success {
    border-color: #27ae60;
}

.success-message {
    color: #27ae60;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #2c3e50;
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 6px;
    background-color: #e1e8ed;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transition: width 0.3s ease;
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(52, 152, 219, 0.1);
    color: #2980b9;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0.25rem 0.25rem 0.25rem 0;
}

.tag.success {
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
}

.tag.warning {
    background: rgba(241, 196, 15, 0.1);
    color: #f39c12;
}

.tag.danger {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

/* 图表最大化模态框 */
.chart-max-modal {
    z-index: 10001;
}

.chart-max-content {
    width: 95vw;
    height: 95vh;
    max-width: none;
    max-height: none;
}

.chart-max-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.chart-max-container {
    width: 100%;
    height: calc(95vh - 120px);
    background: white;
    border-radius: 8px;
}

/* API配置模态框 */
.config-group {
    max-width: 500px;
}

.api-key-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.api-key-container .config-input {
    flex: 1;
}

.config-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* 微调输入框样式 */
.chart-fine-tuning,
.config-fine-tuning {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.chart-fine-tuning h3,
.config-fine-tuning h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fine-tuning-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fine-tuning-input {
    width: 100%;
    padding: 0.75rem;
}

/* 分享功能样式 */
.share-url-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin: 1rem 0;
}

.share-url-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 0.9rem;
    background: #f8f9fa;
    font-family: monospace;
}

.share-note {
    background: #e3f2fd;
    border: 1px solid #bbdefb;
    border-radius: 6px;
    padding: 0.75rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #1565c0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.share-note i {
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.fine-tuning-input {
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.4;
    resize: vertical;
    min-height: 80px;
    background: white;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.fine-tuning-input:focus {
    outline: none;
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.fine-tuning-input::placeholder {
    color: #6c757d;
    font-style: italic;
}

/* 自定义推荐样式 */
.custom-recommendations-label {
    margin-bottom: 1rem;
}

.custom-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
}

.custom-recommendation {
    border: 2px solid #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.custom-recommendation:hover {
    border-color: #764ba2;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

.custom-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    margin-left: 0.5rem;
    font-weight: 500;
}

/* 表单帮助文本 */
.form-help-text {
    display: block;
    margin-top: 0.25rem;
    color: #6c757d;
    font-size: 0.875rem;
    line-height: 1.3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chart-max-content {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }

    .chart-max-container {
        height: calc(100vh - 120px);
    }

    .config-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .chart-max-controls {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .chart-fine-tuning,
    .config-fine-tuning {
        margin-top: 1rem;
        padding: 0.75rem;
    }
}

/* AI Chat Interface Styles */
.ai-chat-section {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

/* AI Chat Section 不可用状态 */
.ai-chat-section.ai-chat-disabled {
    opacity: 0.9;
    pointer-events: none;
    border-color: #dee2e6;
}

.ai-chat-section.ai-chat-disabled h2 {
    color: #6c757d;
}

.ai-chat-section.ai-chat-disabled .chat-input {
    background: #e9ecef;
    color: #6c757d;
}

.ai-chat-section.ai-chat-disabled .chat-send-btn {
    background: #6c757d;
    cursor: not-allowed;
}

.disabled-hint {
    color: #6c757d !important;
    font-style: italic;
    background: rgba(108, 117, 125, 0.1);
    padding: 0.5rem;
    border-radius: 6px;
    border-left: 3px solid #6c757d;
}

/* AI Chat Section 启用状态 */
.ai-chat-section.ai-chat-enabled {
    opacity: 1;
    pointer-events: auto;
    background: white;
    border-color: #e1e8ed;
    transition: all 0.3s ease;
}

.ai-chat-section.ai-chat-enabled h2 {
    color: #2c3e50;
}

.ai-chat-section.ai-chat-enabled .chat-input {
    background: white;
    color: #495057;
}

.ai-chat-section.ai-chat-enabled .chat-send-btn {
    background: #3498db;
    cursor: pointer;
}

/* Data Input Section Styles - 与AI聊天区域保持相同的高度控制 */
.data-input-section {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.data-input-section h2 {
    margin: 0 0 1rem 0;
    flex-shrink: 0;
}

.data-input-section .input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.data-input-section .input-group label {
    flex-shrink: 0;
    margin-bottom: 0.5rem;
}

.data-input-section .data-textarea {
    flex: 1;
    min-height: 0;
    resize: none;
    overflow-y: auto;
}

.data-input-section .input-actions {
    flex-shrink: 0;
    margin-top: 1rem;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid #e1e8ed;
    scroll-behavior: smooth;
    min-height: 0;
    max-height: 210px;
}

.message {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.3s ease;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    flex-shrink: 0;
}

.ai-message .message-avatar {
    background: #3498db;
    color: white;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: #e74c3c;
    color: white;
}

.message-content {
    flex: 1;
    background: #f8f9fa;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    max-width: 80%;
    position: relative;
}

.user-message .message-content {
    background: rgba(52, 152, 219, 0.1);
    border-color: #3498db;
}

.message-content p {
    margin: 0 0 0.5rem 0;
    color: #2c3e50;
    line-height: 1.4;
    font-size: 0.9rem;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.message-content li {
    color: #5a6c7d;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
}

.welcome-message {
    text-align: left;
}

/* Suggestion Panel Styles */
.suggestion-panel {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    flex: 1;
    min-height: 0;
    display: flex !important;
    flex-direction: column;
    overflow: hidden;
}

.suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.suggestion-panel h4 {
    margin: 0;
    color: #495057;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.refresh-suggestions-btn {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
    padding: 0.4rem;
    font-size: 0.8rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.refresh-suggestions-btn:hover {
    background: linear-gradient(135deg, #138496, #117a8b);
    transform: translateY(-1px) rotate(180deg);
    box-shadow: 0 2px 8px rgba(23, 162, 184, 0.3);
}

.refresh-suggestions-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.refresh-suggestions-btn i {
    transition: transform 0.3s ease;
}

.suggestions-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.5rem;
    align-content: flex-start;
    min-height: 0; /* 确保flex子元素可以收缩 */
}

/* 建议容器滚动条样式 */
.suggestions-container::-webkit-scrollbar {
    width: 4px;
}

.suggestions-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.suggestions-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.suggestions-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.suggestion-chip {
    background: white;
    border: 1px solid #ced4da;
    border-radius: 20px;
    padding: 0.4rem 0.8rem;
    font-size: 0.8em;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #495057;
}

.suggestion-chip:hover {
    background: rgba(52, 152, 219, 0.1);
    border-color: #3498db;
    color: #2980b9;
    transform: translateY(-1px);
}

.suggestion-chip.chart-type {
    border-color: #3498db;
    color: #2980b9;
    background: rgba(52, 152, 219, 0.05);
}

.suggestion-chip.config-option {
    border-color: #e74c3c;
    color: #c0392b;
    background: rgba(231, 76, 60, 0.05);
}

/* Chat Input Styles */
.chat-input-container {
    border-top: 1px solid #e1e8ed;
    padding-top: 0.75rem;
    flex-shrink: 0;
}

.chat-input-group {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.85em;
    line-height: 1.3;
    resize: none;
    height: 60px;
    background: white;
    color: #495057;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.chat-input:focus {
    outline: none;
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.chat-input::placeholder {
    color: #6c757d;
}

.chat-send-btn {
    height: 44px;
    width: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: #3498db;
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-send-btn:hover {
    background: #2980b9;
    transform: scale(1.05);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Animation for new messages */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scrollbar styling for chat messages */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 建议容器滚动条样式 */
.suggestions-container::-webkit-scrollbar {
    width: 4px;
}

.suggestions-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.suggestions-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.suggestions-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* AI思考动画样式 */
.ai-thinking-animation {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.thinking-dots {
    display: flex;
    gap: 4px;
}

.thinking-dots .dot {
    width: 8px;
    height: 8px;
    background: #3498db;
    border-radius: 50%;
    animation: thinking-bounce 1.4s infinite ease-in-out both;
}

.thinking-dots .dot:nth-child(1) {
    animation-delay: -0.32s;
}

.thinking-dots .dot:nth-child(2) {
    animation-delay: -0.16s;
}

.thinking-dots .dot:nth-child(3) {
    animation-delay: 0s;
}

@keyframes thinking-bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.thinking-text {
    color: #666;
    font-size: 14px;
    font-style: italic;
}

.ai-loading-message .message-content {
    background: #f8f9fa;
    border-left: 3px solid #3498db;
}