style.css

:root {
    --white: #ffffff;
    --black: #000000;
    --red: #ff0000;
    --yellow: #f9e42d;
    --green: #00bf7d;
}

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

body {
    font-family: "Arial", sans-serif;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--black);
    color: var(--white);
    padding: 1rem 2rem;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header h1 {
    font-size: 1.5rem;
}

.file-name input {
    width: 15rem;
    padding: 0.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--black);
}

.code-editor {
    width: 80vw;
    height: 80vh;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    background-color: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    margin-top: 2rem;
    border: 1px solid black;
}

.code {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    overflow-y: auto;
    background-color: var(--white);
    padding: 1rem;
    border-radius: 0 1rem 1rem 0;
}

h1 {
    font: 600 1.2rem sans-serif;
    margin: 1rem 0;
    color: var(--white);
}

h1 > img {
    width: 1.3rem;
    margin-right: 1rem;
    vertical-align: middle;
}

.code textarea {
    width: 100%;
    height: calc(100% - 4rem);
    background-color: var(--white);
    color: var(--black);
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    resize: vertical;
    border: 1px solid #000;
}

.code h1{
    color: var(--black);
}

#result {
    width: 100%;
    height: 100%;
    border: 1px solid black;
}

.buttons {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: 1rem;
}

.buttons button {
    color: var(--white);
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
    cursor: pointer;
    margin-right: 1rem;
    border: none;
    border-radius: 0.5rem;
    transition: background-color 0.2s, transform 0.2s, outline 0.2s;
}

.buttons button.reset {
    background-color: var(--red);
}

.buttons button.save {
    background-color: var(--green);
}

.buttons button.download {
    background-color: var(--yellow);
}

.buttons button:hover {
    outline: 2px solid;
    transform: scale(1.1);
    background-color: white;
    color: black;
}