.message-form {
    padding: 20px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.message-form textarea {
    resize: vertical;
    min-height: 150px;
}

#messageContent {
    height: 400px;
}

.message-detail {
    background: #fff;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.message-detail .title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.message-detail .meta {
    color: #666;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.message-detail .content,
.message-detail .message-detail-content {
    line-height: 1.6;
    margin-bottom: 30px;
}

.reply-form {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
    margin-top: 30px;
}

.replies-list {
    margin: 20px 0;
}

.reply-item {
    background: #fff;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    border-left: 3px solid #007bff;
    box-shadow: 0 0 3px rgba(0,0,0,0.1);
    background-color: #f5f5f5;
}

.reply-item .reply-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.reply-item .reply-content {
    color: #333;
    line-height: 1.5;
}

.floor-number {
    color: #007bff;
    font-weight: bold;
}