html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.custom-container {
    height: calc(100vh - 120px)
}

.file-upload {
    margin: 15px 0;
}

#chat-history {
    height: 100vh;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
    background-color: #eeeeeecc;
}

.input-area {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.input-area #question-input {
    flex: 1;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #242424;
}

.input-area #question-input:focus {
    outline: none;
}

.custom-card {
    margin-top: 64px;
}

/*===================*/
/* 在<head>的<style>标签中添加以下样式 */
.message {
    margin: 10px 0;
    max-width: 70%;
    transition: transform 0.3s;
    will-change: transform;
}

.message:hover {
    transform: translateY(-2px);
}

.message.user {
    background-color: #e6f7ff;
    border-radius: 15px;
    margin-left: auto;
    word-break: break-word;
    padding: 10px;
    border: 1px solid #00adff;
}

.message.bot {
    background-color: #f5f5f5;
    border-radius: 15px;
    padding: 10px;
    margin-right: auto;
    word-break: break-word;
    border: 1px solid #9E9E9E;
}

.message.bot pre {
    overflow: auto;
}

/* 聊天历史容器样式 */
#chat-history {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
    border-radius: 8px;
    background-color: #f8f9fa;
}

/*=================*/
#loading {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3; /* 透明边框 */
    border-top: 4px solid #00adff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/*==================================*/
.custom-toolbar {
    position: sticky;
    z-index: 99;
}