:root {
    --background-color: white;
    --text-color: white;
    --font-family: Arial, sans-serif;
    --history-background-color: rgb(0, 0, 48);
    --models-background-color: rgb(0, 0, 48);
    --code-model-color: red;
    --math-model-color: green;
    --language-model-color: blue;
    --default-model-color: yellow;
    --custom-model-color: purple;
    --output-background-color: black; /* Set the conversation background to black */
    --user-message-color: rgb(0, 128, 255); /* Blueish bubble for user */
    --ai-message-color: rgb(100, 100, 255); /* Lighter blue for AI */
    --input-background-color: rgb(0, 0, 48);
    --input-button-color: rgb(0, 128, 255);
    --input-button-hover-color: rgb(0, 100, 200);
}

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

html, body {
    height: 100vh;
    overflow: hidden; /* Prevent scrolling */
}

/* Body Styling */
body {
    margin-top: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin-bottom: 0.5em;
}

/* Header Styling */
header {
    background-color: var(--background-color);
    color: black;
    width: 100%;
    text-decoration: none;
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    font-family: var(--font-family);
}

header li {
    display: inline-block;
    margin: 0 15px;
}

header img {
    height: 2em;
    vertical-align: middle;
}

header a {
    color: black;
    text-decoration: none;
    transition: color 0.3s;
}

header a:hover {
    color: var(--input-button-color);
}

/* Container Grid Layout */
.container {
    display: grid;
    grid-template-columns: 1fr 3fr;
    grid-template-rows: 1fr 1fr 0.5fr;
    gap: 10px;
    width: 90vw;
    height: 90vh;
}

/* History Section */
.history {
    grid-column: 1;
    grid-row: 1;
    border-radius: 2em;
    background-color: var(--history-background-color);
    padding: 1em;
    overflow-y: auto;
    height: 50vh;
}

.history ul {
    list-style: none;
}

.history ul li {
    padding: 10px 0;
    border-bottom: 1px solid var(--text-color);
    width: 100%;
}

.history ul li a {
    display: block;
    text-decoration: none;
    color: white;
    width: 100%;
    padding: 5px;
}

.history ul li a:hover {
    background-color: var(--input-button-hover-color);
}

/* Models Section */
.models {
    overflow-y: auto;
    background-color: var(--models-background-color);
    border-radius: 2em;
    padding: 1em;
    height: 40vh;
    box-sizing: border-box;
}

.models .titel {
    padding-bottom: 1em;
    display: flex;
    justify-content: center;
    align-items: center;

}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5vh;
    height: calc(100% - 2em);
}

.model-box {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: 5%;
    overflow: hidden;
    position: relative;
    height: 20vh;
}

.overlay{
    z-index: 900;
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    /* Dark overlay */
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 300%;
    transition: opacity 0.5s ease;
    pointer-events: none;
    opacity: 0;
    font-size:xx-large;
}

.model-box:hover .overlay{
    opacity: 1;
}

.code-model {
    background-image: url(/static/img/code.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.math-model {
    background-image: url(/static/img/math.jpg);
    background-color: white;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.language-model {
    background-image: url(/static/img/language.jpg);
    background-color: #72cce4;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.default-model {
    background-image: url(/static/img/default.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

/* Output Section */
.output {
    grid-column: 2;
    grid-row: 1 / span 2;
    border-radius: 2em;
    background-color: var(--output-background-color);
    padding: 1.5em;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    font-size: 1.2em;
    overflow-y: auto;
    max-height: 75vh;
    margin-bottom: 0;
    width: 100%;
}


/* Conversation */
#conversation {
    display: flex;
    flex-direction: column;
    padding: 10px;
    overflow-y: auto;
    max-height: 80vh;
    background-color: var(--output-background-color); /* Black background */
    border-radius: 10px;
    scroll-behavior: smooth; /* Optional: Smooth scrolling */
}

.user-message,
.ai-message {
    margin: 10px 0;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 60%;
    width: fit-content; /* Adjusts width to fit the content */
    word-wrap: break-word;
    display: block; /* Changed from inline-block to block */
    box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.1);
}

/* Align user message to the right */
.user-message {
    background-color: var(--user-message-color);
    color: var(--text-color);
    border-bottom-right-radius: 0;
    margin-left: auto;
    text-align: right; /* Align text to the right */
}

/* Align AI message to the left */
.ai-message {
    background-color: var(--ai-message-color);
    color: var(--text-color);
    border-bottom-left-radius: 0;
    margin-right: auto;
    text-align: left; /* Align text to the left */
}


/* Output Form Buttons */
.output form {
    display: flex;
    justify-content: flex-start;
    gap: 10px;
}

.output form button {
    background-color: transparent;
    color: white;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.output form button:hover {
    transform: scale(1.2);
}

.output form button img {
    height: 1.8em;
}

/* Input Section */
.input {
    grid-column: 2;
    grid-row: 3;
    border-radius: 2em;
    background-color: var(--input-background-color);
    padding: 1em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: auto;
    margin-top: -9em;
    gap: 10px;
    height: 7em;
}

.input input {
    flex-grow: 1;
    padding: 12px;
    font-size: 1.2em;
    border-radius: 8px;
    border: 2px solid var(--input-button-color);
    outline: none;
    margin-right: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #333;
    transition: border-color 0.3s ease-in-out;
}

.input input:focus {
    border-color: var(--input-button-hover-color);
}

.input button {
    padding: 12px 20px;
    background-color: var(--input-button-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5em;
    cursor: pointer;
    height: 50px;
    width: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.input button img {
    height: 1em;
}

.input button:hover {
    background-color: var(--input-button-hover-color);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* FAQ Section */
#faq {
    max-width: 800px;
    width: 90%;
    margin-top: 50px;
    padding: 20px;
    background-color: #222;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

#faq h2 {
    text-align: center;
    color: #00ccff;
    font-size: 2em;
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 5px;
    background-color: #333;
}

.faq-item h3 {
    color: #00ccff;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.faq-item p {
    color: #ddd;
    font-size: 1.1em;
    line-height: 1.5;
}

.faq-item:hover {
    background-color: #444;
    transition: background-color 0.3s;
}

@media (max-width: 1400px) {
    .grid{
        grid-template-columns: 1fr;
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        width: 95vw;
    }

    .history, .models {
        display: none; /* Hide history and models */
    }

    .output {
        grid-column: 1;
        grid-row: 1 / span 2;
    }

    .input {
        grid-column: 1;
        grid-row: 3;
        margin-top: -4em;
    }

    .input button {
        height: 40px;
        width: 40px;
    }

    .output form button img {
        height: 1.5em;
    }
}