body {
    --background-color: rgba(246,247,252);
    --card-color: white;
    --accent-color: #1d91ff;
    --divider-color: #f1f1f1;
    --font-color: black;

    background-color: var(--background-color);
    color: var(--font-color);

    font-family: "Kanit";

    padding-top: 60px;
}

input, textarea {
    font-family: "Kanit";
    font-size: 1em;
}

hr {
    color: var(--divider-color);
}

nav {
    position: absolute;
    display: flex;

    align-items: center;

    top: 0;
    left: 0;

    padding: 5px 10px 5px 10px;
    width: 100vw;
    height: 50px;
    box-sizing: border-box;

    background-color: var(--card-color);

    box-shadow: 0 5px 10px rgba(23, 23, 24, 0.2);
}

.nav-title {
    font-family: "Playpen Sans";
    font-size: 1.25em;
}

main {
    padding: 10px;
    max-width: 920px;
    margin: auto;
    /* display: grid;

    grid-template-columns: 2fr 1fr;
    grid-template-rows: 1fr; */
}

input:not([type="submit"]) {
    outline: none;
    border: none;
    border-bottom: 1px solid #adadad;

    padding: 3px;
}

input[type="submit"] {
    outline: none;
    border: none;

    background: none;
    border: 1px solid #dfdddd;

    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: lightgray;
}

.card {
    width: 100%;
    height: 100%;

    box-sizing: border-box;

    padding: 10px;

    box-shadow: 0 5px 10px rgba(23, 23, 24, 0.2);
    background-color: var(--card-color);
}

form > label {
    display: block;
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 4px;
}

footer {
    position: fixed;
    display: flex;

    align-items: center;

    bottom: 0;
    left: 0;

    width: 100%;
    height: 60px;

    padding: 10px;

    box-sizing: border-box;

    background-color: var(--card-color);

    box-shadow: 0 -5px 10px rgba(23, 23, 24, 0.2);
}

.temperature-select {
    position: relative;
    display: inline-block;

    border: 1px solid #dfdddd;
    text-align: center;

    padding: 5px 10px 5px 10px;
}

.temperature-select:has(input:checked) {
    border: 1px solid #61c3d4;
}

.temperature-select > input[type="radio"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    opacity: 0;
    cursor: pointer;
}

.error {
    animation: flash 1s;
}

.error::after {
    content: "\20Please fill out this input";
    color: red;
}

@keyframes flash {
    0% {
        background-color: transparent;
    }

    50% {
        background-color: rgba(255, 255, 0, 0.171);
    }

    100% {
        background-color: transparent;
    }
}