/**
 * PDF-OCR 交互功能样式
 * 包含划词选中、悬浮工具栏、悬浮对话窗口的样式
 */

/* ==================== 划词选中层 ==================== */
.ocr-selection-layer {
    cursor: text;
    user-select: none;
}

.ocr-selection-layer:active {
    cursor: crosshair;
}

/* 选择框 */
.ocr-selection-box {
    position: absolute;
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px dashed #3b82f6;
    pointer-events: none;
    z-index: 101;
}

/* 高亮覆盖层 */
.ocr-highlight-overlay {
    position: absolute;
    background-color: rgba(59, 130, 246, 0.3);
    border: 1px solid #3b82f6;
    pointer-events: none;
    z-index: 99;
    transition: all 0.2s ease;
}

/* ==================== 悬浮工具栏 ==================== */
.floating-toolbar {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 6px;
    gap: 4px;
    z-index: 1000;
    animation: toolbarAppear 0.2s ease;
}

@keyframes toolbarAppear {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

.floating-toolbar .toolbar-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: #374151;
    transition: all 0.2s ease;
}

.floating-toolbar .toolbar-btn:hover {
    background-color: #f3f4f6;
    color: #111827;
}

.floating-toolbar .toolbar-btn svg {
    width: 16px;
    height: 16px;
}

/* ==================== 悬浮对话窗口 ==================== */
.floating-chat-window {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    z-index: 1001;
}

/* 标题栏 */
.floating-chat-window .chat-window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    cursor: move;
    user-select: none;
    flex-shrink: 0;
}

.floating-chat-window .chat-window-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}

.floating-chat-window .chat-window-title svg {
    width: 16px;
    height: 16px;
}

.floating-chat-window .chat-window-controls {
    display: flex;
    gap: 4px;
}

.floating-chat-window .control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    cursor: pointer;
    color: white;
    transition: all 0.2s ease;
}

.floating-chat-window .control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.floating-chat-window .control-btn.close:hover {
    background: rgba(239, 68, 68, 0.8);
}

/* 服务商选择栏 */
.floating-chat-window .chat-provider-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f0fdf4;
    border-bottom: 1px solid #bbf7d0;
    font-size: 12px;
    flex-shrink: 0;
}

.floating-chat-window .provider-label {
    color: #16a34a;
    font-weight: 500;
}

.floating-chat-window .provider-select {
    flex: 1;
    padding: 4px 8px;
    border: 1px solid #bbf7d0;
    border-radius: 4px;
    font-size: 12px;
    background: white;
    color: #374151;
    cursor: pointer;
    outline: none;
}

.floating-chat-window .provider-select:focus {
    border-color: #22c55e;
}

/* 模型选择栏 */
.floating-chat-window .chat-model-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f0fdf4;
    border-bottom: 1px solid #bbf7d0;
    font-size: 12px;
    flex-shrink: 0;
}

.floating-chat-window .model-label {
    color: #16a34a;
    font-weight: 500;
}

.floating-chat-window .model-select {
    flex: 1;
    padding: 4px 8px;
    border: 1px solid #bbf7d0;
    border-radius: 4px;
    font-size: 12px;
    background: white;
    color: #374151;
    cursor: pointer;
    outline: none;
}

.floating-chat-window .model-select:focus {
    border-color: #22c55e;
}

/* 深度思考按钮 - 悬浮对话窗口 */
.floating-chat-window .thinking-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #666;
}

.floating-chat-window .thinking-btn:hover {
    background: #e0e0e0;
}

.floating-chat-window .thinking-btn.active {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border-color: #7c3aed;
}

.floating-chat-window .thinking-btn.thinking-only {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border-color: #d97706;
    cursor: default;
}

.floating-chat-window .thinking-btn svg {
    width: 14px;
    height: 14px;
}

/* 深度思考内容容器 - 悬浮对话窗口 */
.floating-chat-window .thinking-container {
    margin-bottom: 8px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
}

.floating-chat-window .thinking-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    cursor: pointer;
    font-size: 12px;
    color: #6b7280;
    transition: all 0.2s ease;
}

.floating-chat-window .thinking-header:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

.floating-chat-window .thinking-header svg {
    width: 12px;
    height: 12px;
    color: #8b5cf6;
}

.floating-chat-window .thinking-title {
    font-weight: 500;
}

.floating-chat-window .thinking-toggle-icon {
    margin-left: auto;
    font-size: 10px;
    transition: transform 0.2s ease;
}

.floating-chat-window .thinking-content {
    padding: 10px;
    background: #fafafa;
    border-top: 1px solid #e9ecef;
    font-size: 12px;
    color: #6b7280;
    line-height: 1.5;
    max-height: 150px;
    overflow-y: auto;
}

.floating-chat-window .thinking-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.floating-chat-window .response-content {
    padding: 0;
}

/* 上下文栏 */
.floating-chat-window .chat-context-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    font-size: 12px;
    flex-shrink: 0;
}

.floating-chat-window .context-label {
    color: #6b7280;
    font-weight: 500;
}

.floating-chat-window .context-preview {
    flex: 1;
    color: #374151;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.floating-chat-window .clear-context-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border: none;
    background: #ef4444;
    border-radius: 4px;
    cursor: pointer;
    color: white !important;
    font-size: 12px;
    transition: all 0.2s ease;
}

.floating-chat-window .clear-context-btn:hover {
    background: #dc2626;
}

/* 消息区域 */
.floating-chat-window .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #f9fafb;
}

/* 欢迎消息 */
.floating-chat-window .chat-welcome {
    text-align: center;
    padding: 40px 20px;
    color: #6b7280;
}

.floating-chat-window .welcome-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.floating-chat-window .welcome-text p {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: #374151;
}

.floating-chat-window .welcome-text .hint {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 12px;
}

.floating-chat-window .welcome-text ul {
    text-align: left;
    display: inline-block;
    margin: 0;
    padding-left: 20px;
    font-size: 13px;
    color: #6b7280;
}

.floating-chat-window .welcome-text li {
    margin: 4px 0;
}

/* 消息样式 */
.floating-chat-window .chat-message {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    animation: messageAppear 0.3s ease;
}

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

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

.floating-chat-window .message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.floating-chat-window .chat-message.assistant .message-avatar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.floating-chat-window .message-content {
    max-width: calc(100% - 60px);
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.floating-chat-window .chat-message.user .message-content {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white !important;
    border-bottom-right-radius: 4px;
}

.floating-chat-window .chat-message.assistant .message-content {
    background: white;
    color: #374151;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.floating-chat-window .chat-message.user .message-text {
    color: white !important;
}

.floating-chat-window .chat-message.user .message-text * {
    color: white !important;
}

.floating-chat-window .chat-message.system .message-content {
    background: #fef3c7;
    color: #92400e;
    font-size: 13px;
    text-align: center;
}

.floating-chat-window .chat-message.error .message-content {
    background: #fee2e2;
    color: #991b1b;
    font-size: 13px;
}

.floating-chat-window .chat-message.loading .message-content {
    background: #f3f4f6;
    color: #6b7280;
    font-style: italic;
}

.floating-chat-window .message-text {
    white-space: pre-wrap;
    line-height: 1.6;
}

.floating-chat-window .message-text p {
    margin: 0 0 8px 0;
}

.floating-chat-window .message-text p:last-child {
    margin-bottom: 0;
}

.floating-chat-window .message-text h2,
.floating-chat-window .message-text h3,
.floating-chat-window .message-text h4 {
    margin: 12px 0 8px 0;
    font-weight: 600;
}

.floating-chat-window .message-text h2 { font-size: 16px; }
.floating-chat-window .message-text h3 { font-size: 15px; }
.floating-chat-window .message-text h4 { font-size: 14px; }

.floating-chat-window .message-text ul,
.floating-chat-window .message-text ol {
    margin: 8px 0;
    padding-left: 20px;
}

.floating-chat-window .message-text li {
    margin: 4px 0;
}

.floating-chat-window .message-text strong {
    font-weight: 600;
}

.floating-chat-window .message-text em {
    font-style: italic;
}

.floating-chat-window .message-text code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
}

.floating-chat-window .message-text pre {
    background: #1f2937;
    color: #f9fafb;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
}

.floating-chat-window .message-text pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 输入区域 */
.floating-chat-window .chat-input-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: white;
    border-top: 1px solid #e5e7eb;
}

.floating-chat-window .chat-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    resize: none;
    outline: none;
    transition: border-color 0.2s ease;
}

.floating-chat-window .chat-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.floating-chat-window .chat-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.floating-chat-window .action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.floating-chat-window .action-btn.clear-history {
    background: #f3f4f6;
    color: #6b7280;
}

.floating-chat-window .action-btn.clear-history:hover {
    background: #e5e7eb;
    color: #374151;
}

.floating-chat-window .action-btn.send {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.floating-chat-window .action-btn.send:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.floating-chat-window .action-btn.stop {
    background: #e74c3c;
    color: white;
}

.floating-chat-window .action-btn.stop:hover {
    background: #c0392b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

/* 调整大小手柄 */
.floating-chat-window .resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 16px;
    height: 16px;
    cursor: se-resize;
    background: linear-gradient(135deg, transparent 50%, rgba(0, 0, 0, 0.1) 50%);
    border-bottom-right-radius: 12px;
}

/* ==================== 提示消息 ==================== */
.ocr-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    z-index: 10000;
    transition: transform 0.3s ease;
}

.ocr-toast.show {
    transform: translateX(-50%) translateY(0);
}

.ocr-toast.success {
    border-left: 4px solid #10b981;
}

.ocr-toast.error {
    border-left: 4px solid #ef4444;
}

.ocr-toast.info {
    border-left: 4px solid #3b82f6;
}

.ocr-toast i {
    font-size: 18px;
}

.ocr-toast.success i {
    color: #10b981;
}

.ocr-toast.error i {
    color: #ef4444;
}

.ocr-toast.info i {
    color: #3b82f6;
}

/* ==================== 滚动条样式 ==================== */
.floating-chat-window .chat-messages::-webkit-scrollbar {
    width: 6px;
}

.floating-chat-window .chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.floating-chat-window .chat-messages::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

.floating-chat-window .chat-messages::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* ==================== 响应式适配 ==================== */
@media (max-width: 640px) {
    .floating-chat-window {
        width: 100% !important;
        height: 60vh !important;
        right: 0 !important;
        bottom: 0 !important;
        border-radius: 12px 12px 0 0;
    }
    
    .floating-toolbar {
        transform: translateX(-50%) scale(0.9);
    }
}