:root {
    --green: #4caf50;
    --primary: #3b3b3b;
}

* {
    font-family: sans-serif;
    font-size: 18px;
}

body {
    margin: 0;
    padding: 0;
    color: var(--primary);
}

main {
    display: grid;
    width: 90vw;
    margin: 5vw;
    flex-wrap: wrap;
    grid-template-areas:
        "head-input head-output"
        "input output";
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

h1.input {
    grid-area: head-input;
}

h1.output {
    grid-area: head-output;
}

h1 {
    font-size: 2rem;
    margin: 0;
    margin-bottom: 0.5rem;
}

#left {
    grid-area: input;
}

#right {
    grid-area: output;
}

#copy-btn {
    align-self: flex-start;
}

main > div,
main > form {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

textarea {
    width: 100%;
    height: 100%;
    margin: 20px 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

pre {
    white-space: pre-wrap; /* Since CSS 2.1 */
    white-space: -moz-pre-wrap; /* Mozilla, since 1999 */
    white-space: -pre-wrap; /* Opera 4-6 */
    white-space: -o-pre-wrap; /* Opera 7 */
    word-wrap: break-word; /* Internet Explorer 5.5+ */
}

input[type="file"] {
    display: none;
}
.custom-file-upload,
button {
    background-color: white;
    color: var(--primary);
    border: 2px solid var(--green); /* Green */
    /* background-color: lightgray; */
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 1rem;
    border-radius: 0.2rem;
    transition-duration: 0.4s;
}

.custom-file-upload:hover,
button:hover {
    background-color: var(--green); /* Green */
    color: white;
}

.custom-file-upload span,
button span {
    vertical-align: bottom;
}

.material-symbols-outlined {
    padding-right: 0.3rem;
}

.form_button {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    align-items: center;
}

@supports (-webkit-appearance: none) or (-moz-appearance: none) {
    .checkbox-wrapper-14 input[type="checkbox"] {
        --active: var(--green);
        --active-inner: #fff;
        --border: var(--primary);
        --border-hover: var(--green);
        --background: #fff;
        -webkit-appearance: none;
        -moz-appearance: none;
        height: 21px;
        outline: none;
        display: inline-block;
        vertical-align: top;
        position: relative;
        margin: 0;
        cursor: pointer;
        border: 1px solid var(--bc, var(--border));
        background: var(--b, var(--background));
        transition:
            background 0.3s,
            border-color 0.3s,
            box-shadow 0.2s;
    }
    .checkbox-wrapper-14 input[type="checkbox"]:after {
        content: "";
        display: block;
        left: 0;
        top: 0;
        position: absolute;
        transition:
            transform var(--d-t, 0.3s) var(--d-t-e, ease),
            opacity var(--d-o, 0.2s);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:checked {
        --b: var(--active);
        --bc: var(--active);
        --d-o: 0.3s;
        --d-t: 0.6s;
        --d-t-e: cubic-bezier(0.2, 0.85, 0.32, 1.2);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:disabled {
        --b: var(--disabled);
        cursor: not-allowed;
        opacity: 0.9;
    }
    .checkbox-wrapper-14 input[type="checkbox"]:disabled:checked {
        --b: var(--disabled-inner);
        --bc: var(--border);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:disabled + label {
        cursor: not-allowed;
    }
    .checkbox-wrapper-14 input[type="checkbox"]:hover:not(:checked):not(:disabled) {
        --bc: var(--border-hover);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:focus {
        box-shadow: 0 0 0 var(--focus);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch) {
        width: 21px;
    }
    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch):after {
        opacity: var(--o, 0);
    }
    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch):checked {
        --o: 1;
    }
    .checkbox-wrapper-14 input[type="checkbox"] + label {
        display: inline-block;
        vertical-align: middle;
        cursor: pointer;
        margin-left: 4px;
    }

    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch) {
        border-radius: 7px;
    }
    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch):after {
        width: 5px;
        height: 9px;
        border: 2px solid var(--active-inner);
        border-top: 0;
        border-left: 0;
        left: 7px;
        top: 4px;
        transform: rotate(var(--r, 20deg));
    }
    .checkbox-wrapper-14 input[type="checkbox"]:not(.switch):checked {
        --r: 43deg;
    }
    .checkbox-wrapper-14 input[type="checkbox"].switch {
        width: 38px;
        border-radius: 11px;
    }
    .checkbox-wrapper-14 input[type="checkbox"].switch:after {
        left: 2px;
        top: 2px;
        border-radius: 50%;
        width: 17px;
        height: 17px;
        background: var(--ab, var(--border));
        transform: translateX(var(--x, 0));
    }
    .checkbox-wrapper-14 input[type="checkbox"].switch:checked {
        --ab: var(--active-inner);
        --x: 17px;
    }
    .checkbox-wrapper-14 input[type="checkbox"].switch:disabled:not(:checked):after {
        opacity: 0.6;
    }
}

.checkbox-wrapper-14 * {
    box-sizing: inherit;
}
.checkbox-wrapper-14 *:before,
.checkbox-wrapper-14 *:after {
    box-sizing: inherit;
}

.checkbox-wrapper-14 {
    display: flex;
    align-items: center;
}

.mobile_only {
    display: none;
}

textarea,
pre {
    background-color: white;
    color: var(--primary);
    border: 2px solid var(--green); /* Green */
    border-radius: 0.2rem;
    margin: 0.5rem 0;
    min-height: 10rem;
    padding: 0.2rem;
}

@media (max-width: 600px) {
    main {
        width: 100wv;
        display: flex;
    }

    main > div {
        width: 100%;
    }

    .desktop_only {
        display: none;
    }

    .mobile_only {
        display: unset;
    }
}