html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
}

#chat-widget {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin: 20px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.top_info {
    font-size: 14px;
    font-family: 'Orbitron', sans-serif;
    color: #00f0ff;
    line-height: 48px;
    text-align: left;
    padding: 0 20px;
    margin: 10px 20px 0 20px; /* 与 chat-widget 的 padding 对齐 */
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(6px);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.top_info_text {
    font-size: 15px;
    font-weight: bold;
    color: #00ffff;
}


#chat-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

#messages {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
}

.message {
    display: flex;
    margin-bottom: 10px;
}

.message.receiver-message {
    justify-content: flex-start;
    padding-right: 30%;
    margin-right: auto;
}

.message.sender-message {
    justify-content: flex-end;
    padding-left: 30%;
    margin-left: auto;
}

.message-content {
    flex: 0 1 auto;
}

.message-bubble {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
    word-break: break-word;
    white-space: pre-wrap;
    text-align: left;
}

.message.sender-message .message-bubble {
    text-align: right;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    color: white;
    box-shadow: 0 0 10px rgba(0, 114, 255, 0.7);
}

#status-indicator {
    height: 20px;
    text-align: center;
    color: #aaa;
    font-size: 14px;
}

#input-area {
    display: flex;
    align-items: center;
    padding: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
}

#input-area button {
    background: none;
    border: none;
    cursor: pointer;
    margin-right: 10px;
}

#input-area img {
    width: 25px;
    height: 25px;
    filter: drop-shadow(0 0 5px #00ffff);
}

#message-input {
    flex: 1;
    padding: 8px;
    border: 1px solid #00c6ff;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.4);
    color: white;
}

#message-input:disabled {
    background-color: #444;
}