/* 自定义滚动条，保持界面纯净 */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

/* 消息气泡平滑进入动画 */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-bubble {
    animation: slideUp 0.3s ease-out forwards;
}

/* 呼吸灯效果：代表正在收音 */
@keyframes pulse-cyan {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.recording {
    animation: pulse-cyan 1.5s infinite;
    background-color: #0891b2 !important; 
}