* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.chat-container {
    width: 100%;
    height: calc(100vh - 60px);
    background-color: white;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background-color: #3498db;
    color: white;
    padding: 15px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.message-content {
    padding: 10px 15px;
    border-radius: 18px;
    line-height: 1.4;
}

.bot-message {
    align-self: flex-start;
}

.bot-message .message-content {
    background-color: #f0f0f0;
    border-bottom-left-radius: 5px;
}

.user-message {
    align-self: flex-end;
    flex-direction: row;
}

.user-message .message-content {
    background-color: #3498db;
    color: black;
    border-bottom-right-radius: 5px;
}

/* 确保用户输入的文字在气泡中显示为黑色，与蓝色背景形成对比 */
.user-message .message-content {
    color: black !important;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.default-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #666;
    font-weight: bold;
}

.message-info {
    font-size: 12px;
    color: #888;
    margin-bottom: 4px;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
    margin-bottom: 0;
    align-items: center;
}

.chat-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
    min-width: 0;
    color: #333;
    background-color: white;
}

.chat-input button {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 20px;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.chat-input button:hover {
    background-color: #2980b9;
}

.loading {
    font-style: italic;
    color: #888;
    text-align: center;
    margin: 10px 0;
}

/* 功能开关 */
.chat-controls {
    padding: 10px 15px;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    background-color: #f9f9f9;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.control-item label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-size: 14px;
}

.control-item select {
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.control-item button {
    padding: 4px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.control-item button:hover {
    background-color: #f0f0f0;
}

/* 猜你想问 */
.chat-suggestions {
    padding: 10px 15px;
    border-bottom: 1px solid #e0e0e0;
    background-color: #f9f9f9;
}

.suggestions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.suggestions-header span {
    font-size: 14px;
    font-weight: bold;
    color: #666;
}

.suggestions-header button {
    padding: 2px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    font-size: 12px;
}

.suggestions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suggestion-item {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 12px;
    background-color: #fff;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.suggestion-item:hover {
    background-color: #f0f0f0;
    border-color: #3498db;
}

/* 评价功能 */
.message-actions {
    display: flex;
    gap: 10px;
    margin-top: 5px;
    padding-top: 5px;
    border-top: 1px solid #f0f0f0;
    font-size: 14px;
}

.action-btn {
    background: none;
    border: 1px solid #ddd;
    border-radius: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    color: #666;
    font-size: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.2), transparent);
    transition: left 0.5s ease;
}

.action-btn:hover::before {
    left: 100%;
}

.action-btn:hover {
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.action-btn:active {
    transform: translateY(0);
}

.like-btn:hover {
    border-color: #27ae60;
    color: #27ae60;
}

.dislike-btn:hover {
    border-color: #e74c3c;
    color: #e74c3c;
}

.copy-btn:hover {
    border-color: #f39c12;
    color: #f39c12;
}

.btn-icon {
    font-size: 12px;
    font-weight: bold;
}

.btn-text {
    font-size: 10px;
}

/* 按钮动画效果 */
.action-btn.liked {
    background-color: #27ae60;
    border-color: #27ae60;
    color: white;
    animation: pulse 0.5s ease;
}

.action-btn.disliked {
    background-color: #e74c3c;
    border-color: #e74c3c;
    color: white;
    animation: pulse 0.5s ease;
}

.action-btn.copied {
    background-color: #f39c12;
    border-color: #f39c12;
    color: white;
    animation: pulse 0.5s ease;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* 纠错模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    border-radius: 8px;
    text-align: center;
}

.modal-content h3 {
    margin-top: 0;
    color: #333;
}

.modal-content .email {
    font-size: 16px;
    font-weight: bold;
    color: #3498db;
    margin: 15px 0;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* 头像和昵称 */
.message {
    max-width: 80%;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.default-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #666;
    font-weight: bold;
}

.message-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #888;
    margin-bottom: 4px;
}

.message-info .nickname {
    font-weight: bold;
}

/* 调整消息气泡样式 */
.bot-message {
    align-self: flex-start;
}

.bot-message .message-content {
    background-color: #f0f0f0;
    border-bottom-left-radius: 5px;
}

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

.user-message .message-body {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-message .message-info {
    justify-content: flex-end;
}

.user-message .message-content {
    background-color: #3498db;
    color: black;
    border-bottom-right-radius: 5px;
}

/* 确保用户输入的文字在气泡中显示为黑色，与蓝色背景形成对比 */
.user-message .message-content {
    color: black !important;
}