/* 自訂樣式補充 */

/* 滾動條美化 */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* Textarea 自動高度 */
textarea.auto-resize {
    resize: vertical;
    min-height: 80px;
}

/* 表格響應式 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 對話氣泡 */
.chat-bubble-user {
    background-color: #06C755;
    color: white;
    border-radius: 18px 18px 4px 18px;
}
.chat-bubble-ai {
    background-color: #e5e7eb;
    color: #1f2937;
    border-radius: 18px 18px 18px 4px;
}
.chat-bubble-staff {
    background-color: #dbeafe;
    color: #1e40af;
    border-radius: 18px 18px 18px 4px;
}