/* 现代AI浮窗样式 */
#ai-float-window {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
}

.ai-float-btn {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(58, 80, 224, 0.4);
    transition: var(--transition);
}

.ai-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(58, 80, 224, 0.5);
}

.ai-chat-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 320px;
    max-height: 450px;
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    animation: modern-slide-up 0.3s ease;
}

.ai-chat-window.active {
    display: flex;
}

.ai-chat-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-light);
    border-top-left-radius: var(--border-radius-xl);
    border-top-right-radius: var(--border-radius-xl);
}

.ai-chat-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.ai-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    color: var(--text-secondary);
}

.ai-close-btn:hover {
    background: var(--border-color);
}

.ai-message-container {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ai-message {
    max-width: 80%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 18px;
    word-wrap: break-word;
}

.ai-message-bot {
    align-self: flex-start;
    background: #f1f3f5;
    border-bottom-left-radius: 4px;
    color: var(--text-secondary);
}

.ai-message-user {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-input-container {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    align-items: center;
    background: var(--bg-light);
    border-bottom-left-radius: var(--border-radius-xl);
    border-bottom-right-radius: var(--border-radius-xl);
}

.ai-message-input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.ai-message-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(58, 80, 224, 0.1);
}

.ai-send-btn {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: var(--transition);
}

.ai-send-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.ai-send-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

/* 现代滚动条样式 */
.ai-message-container::-webkit-scrollbar {
    width: 6px;
}

.ai-message-container::-webkit-scrollbar-track {
    background: #f1f3f5;
    border-radius: 3px;
}

.ai-message-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.ai-message-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 现代AI加载动画 */
.ai-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 14px;
}

.ai-loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: modern-spin 1s linear infinite;
}

/* 现代响应式设计 */
@media (max-width: 768px) {
    #ai-float-window {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .ai-float-btn {
        width: 50px;
        height: 50px;
    }
    
    .ai-float-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .ai-chat-window {
        width: 280px;
        max-height: 400px;
    }
}

@media (max-width: 576px) {
    .ai-chat-window {
        width: 260px;
        right: -10px;
    }
}

/* Markdown样式 */
.ai-message-content h1, .ai-message-content h2, .ai-message-content h3, .ai-message-content h4, .ai-message-content h5, .ai-message-content h6 {
    margin-top: 8px;
    margin-bottom: 4px;
    line-height: 1.3;
}

.ai-message-content h1 {
    font-size: 1.2em;
    font-weight: bold;
}

.ai-message-content h2 {
    font-size: 1.1em;
    font-weight: bold;
}

.ai-message-content h3 {
    font-size: 1em;
    font-weight: bold;
}

.ai-message-content ul, .ai-message-content ol {
    margin-left: 16px;
    margin-bottom: 8px;
}

.ai-message-content li {
    margin-bottom: 2px;
}

.ai-message-content code {
    background-color: #f1f1f1;
    padding: 1px 3px;
    border-radius: 2px;
    font-family: monospace;
    font-size: 0.9em;
}

.ai-message-content pre {
    background-color: #f1f1f1;
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 8px;
    font-size: 0.8em;
}

.ai-message-content blockquote {
    border-left: 3px solid #ccc;
    padding-left: 8px;
    margin-left: 0;
    color: #666;
    margin-bottom: 8px;
    font-style: italic;
}

.ai-message-content img {
    max-width: 100%;
    height: auto;
    margin: 8px 0;
    border-radius: 4px;
}

.ai-message-content a {
    color: #007bff;
    text-decoration: none;
}

.ai-message-content a:hover {
    text-decoration: underline;
}

.ai-message-content p {
    margin-bottom: 6px;
    line-height: 1.4;
}

.ai-message-content strong {
    font-weight: bold;
}

.ai-message-content em {
    font-style: italic;
}