/* 聊天输入区域 */
.chat-input-container {
    flex-shrink: 0;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 16px 20px;
    z-index: 10;
}

.chat-input-wrapper {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chat-input-container {
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .chat-input-container {
        padding: 8px 12px;
    }
}