:root {
    --background-color: #121212;
    --primary-color: #ffffff;
    --accent-color: #3a54ff;
    --accent-color-light: #3a54ff80;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    height: 100vh;
}

div.container {
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    text-align: center;
    height: calc(100vh - 50px);
    overflow-y: auto;
}

div.container#left {
    width: calc(70vw - 50px);
}

div.container#right {
    width: calc(30vw - 50px);
}

h1 {
    margin-top: 20px;
    color: var(--primary-color);
}

button, #dataset-label, #knowledgebase-label {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover, #dataset-label:hover, #knowledgebase-label:hover {
    background-color: var(--accent-color-light);
}

input[type="file"] {
    display: none;
}

#dataset-label, #knowledgebase-label {
    display: inline-block;
}

#knowledgebase-upload {
    margin-top: 20px;
}

section {
    margin: 20px;
}

div.options {
    display: none;
    justify-content: space-around;
}

div.options section {
    background-color: var(--accent-color);
    margin: 20px;
    padding: 20px;
    border-radius: 15px;
    width: 30%;
}

div #evaluation-results {
    background-color: var(--accent-color-light);
    margin: 20px;
    padding: 20px;
    border-radius: 15px;
}

div #question-section {
    background-color: var(--accent-color);
    margin: 20px;
    padding: 20px;
    border-radius: 15px;
}

div #question-section textarea {
    width: calc(100% - 20px);
    padding: 20px;
    border: none;
    border-radius: 5px;
    margin-top: 10px;
    min-height: 100px;
}

div #chatbot-answer {
    margin: 20px;
    padding: 20px;
    background-color: var(--accent-color-light);
    border-radius: 15px;
    min-height: 100px;
}

div #train-evaluate {
    display: none;
}

#feature-container, #target-container {
    text-align: left;
}

#dataset-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

h3 {
    margin-top: 10px;
}

#dataset-name {
    margin-top: 10px;
}