/* DeepSeek AI 前端样式 */
.deepseek-chat-container {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.deepseek-chat-header {
    background: #2271b1;
    color: #d63638;
    padding: 15px 20px;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.deepseek-chat-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.deepseek-clear-history {
    background: rgba(255,255,255,0.2) !important;
    border: 1px solid rgba(255,255,255,0.3) !important;
    color: white !important;
    padding: 4px 8px !important;
    border-radius: 3px !important;
    font-size: 12px !important;
    cursor: pointer !important;
}

.deepseek-clear-history:hover {
    background: rgba(255,255,255,0.3) !important;
}

.deepseek-chat-messages {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
    background: #f8f9fa;
    min-height: 200px;
}

.deepseek-chat-input {
    padding: 15px 20px;
    border-top: 1px solid #e5e5e5;
    background: #fff;
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.deepseek-chat-input textarea {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.4;
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.deepseek-chat-input textarea:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 1px #2271b1;
}

.deepseek-send-btn {
    background: #2271b1;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
    height: fit-content;
}

.deepseek-send-btn:hover {
    background: #135e96;
}

.deepseek-send-btn:disabled {
    background: #a7aaad;
    cursor: not-allowed;
}

.deepseek-chat-loading {
    padding: 10px 20px;
    background: #fff3cd;
    color: #856404;
    text-align: center;
    border-top: 1px solid #ffeaa7;
    display: none;
}

/* 消息样式 */
.deepseek-message {
    margin-bottom: 15px;
    display: flex;
}

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

.deepseek-message.assistant {
    justify-content: flex-start;
}

.deepseek-message-content {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.deepseek-message.user .deepseek-message-content {
    background: #2271b1;
    color: white;
    border-bottom-right-radius: 4px;
}

.deepseek-message.assistant .deepseek-message-content {
    background: white;
    color: #2c3338;
    border: 1px solid #e5e5e5;
    border-bottom-left-radius: 4px;
}

.deepseek-message-time {
    font-size: 11px;
    color: #666;
    margin-top: 5px;
    text-align: right;
}

.deepseek-message.assistant .deepseek-message-time {
    text-align: left;
}

/* 错误消息 */
.deepseek-error {
    padding: 15px;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin: 10px 0;
}

/* 错误消息样式 */
.deepseek-error-message {
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
    border-left: 4px solid;
}

.deepseek-error-balance {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.deepseek-error-config {
    background: #fff3cd;
    color: #856404;
    border-left-color: #ffc107;
}

.deepseek-error-general {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.deepseek-success-message {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
}

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

.deepseek-chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .deepseek-chat-input {
        flex-direction: column;
    }
    
    .deepseek-send-btn {
        align-self: stretch;
    }
    
    .deepseek-message-content {
        max-width: 90%;
    }
    
    .deepseek-chat-header {
        padding: 10px 15px;
    }
    
    .deepseek-chat-header h3 {
        font-size: 16px;
    }
}