/*
 *
 * Basics
 *
 */

/* Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 1rem;
}

html {
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

body {
    min-height: 100vh;
    display: flex;
}

table {
    width: 100%;
    border-collapse: collapse;
}

fieldset {
    border: none;
}

button {
    cursor: pointer;
}

/* Utils */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}


/* Vars */
:root {
    --sizing-xs: 0.2vh;
    --sizing-sm: 0.5vh;
    --sizing-md: 1vh;
    --sizing-lg: 2vh;

    --color-tone-20: #333;
    --color-tone-40: #777;
    --color-tone-60: #aaa;
    --color-tone-80: #ddd;
    --color-tone-90: #f5f5f5;
    --color-on-brand: #fff;
    --color-brand-1: #303972;
    --color-brand-1-dark: #1d2554;

    --font-interface: "Roboto Flex";
    --theme-font-interface: "Roboto Flex";

    --font-size-sm: min(2cqw, 0.5cqh);
    --font-size-md: min(4cqw, 1cqh);
    --font-size-lg: min(8cqw, 2cqh);

    --button-padding: var(--sizing-xs) var(--sizing-md);
}


/* Basic Design */
body {
    font-family: var(--font-interface), Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-tone-20);
    background-color: var(--color-tone-80);
}

/*
 *
 * Calendar Layout
 *
 */
.output {
    flex: 1;
}
.page {
    display: grid;
    scroll-snap-align: start;
    place-self: center;
    aspect-ratio: 1 / 1.414;
    width: auto;
    height: 100vh;
    overflow: hidden;
    grid-template-rows: repeat(var(--page-repeat-rows, 1), 1fr);
    grid-template-columns: repeat(var(--page-repeat-columns, 1), 1fr);
    page-break-after: always;
    gap: var(--sizing-md);
    padding: var(--sizing-lg);
}
.month {
    padding: var(--sizing-md);
    display: grid;
}
[data-months-per-page="1"] .month {
    border: none;
}
[data-months-per-page="4"] .month {
    padding: var(--sizing-sm);
}
[data-months-per-page="12"] .month {
    padding: 0;
}
[data-months-per-page="4"] .page {
    gap: var(--sizing-sm);
    padding: var(--sizing-md);
}
[data-months-per-page="12"] .page {
    gap: var(--sizing-sm);
    padding: var(--sizing-md);
}

/* Screen-only */
@media screen {
    .output {
        scroll-snap-type: y mandatory;
        scroll-padding-top: var(--sizing-lg);
        overflow-y: auto;
        height: 100vh;
    }
    .page {
        background-color: var(--color-tone-90);
        border: 1px solid var(--color-tone-40);
        box-shadow: 2px 3px 5px var(--color-tone-60);
        height: calc(100vh - var(--sizing-lg) * 2);
        margin-top: var(--sizing-sm);
        /* max-width: calc(100vw - var(--sizing-lg) * 2); */
        &:first-child {
            margin-top: var(--sizing-lg);
        }
    }

}

/* Print Optimizations */
@page {
    margin: 0;
    size: var(--page-size, A4);
}
@media print {
    body {
        background-color: transparent;
    }
}


/*
 *
 * User Input Effects
 *
 */
[data-months-per-page="2"] {
    --page-repeat-rows: 2;
}
[data-months-per-page="4"] {
    --page-repeat-rows: 2;
    --page-repeat-columns: 2;
}
[data-months-per-page="12"] {
    --page-repeat-rows: 6;
    --page-repeat-columns: 2;
}

/*
 *
 * Calendar Basic Design
 *
 */
th {
    text-transform: uppercase;
    vertical-align: bottom;
    font-size: max(0.8vh, calc(2cqh / var(--months-per-page)));
}
td {
    text-align: center;
    vertical-align: top;
    line-height: 1;
    &:not(.week-number) {
        border: solid 1px #ccc;
        font-size: max(1.2vh, calc(6cqh / var(--months-per-page)));
    }
}
thead th {
    font-size: max(0.8vh, calc(2cqh / var(--months-per-page)));
    opacity: 0.5;
}
tbody {
    th {
        height: max(2vh, calc(4cqh / var(--months-per-page)));
    }
    th, td {
        padding: min(0.5cqh, calc(2cqh / var(--months-per-page))) 0;
    }
}
.month {
    /* container-type: inline-size; */
}
.week-number {
    opacity: 0.65;
    font-weight: normal;
    text-transform: lowercase;
    font-style: italic;
    width: max(2vh, calc(4cqh / var(--months-per-page)));
    font-size: max(0.7vh, calc(1.5cqh / var(--months-per-page)));
}
.adjacent-month {
    opacity: 0.2;
    font-weight: 100;

}

/*
 *
 * Toolbar
 *
 */
 .toolbar {
    background-color: var(--color-tone-90);
    border-top: 1px solid var(--color-tone-80);
    padding: var(--sizing-md);
    position: fixed;
    width: fit-content;

    margin-left: auto;
    bottom: var(--sizing-md);
    right: var(--sizing-md);
    opacity: 0.5;
    transition: opacity 0.3s;

    &:hover {
        opacity: 1;
    }

    fieldset {
        display: flex;
        align-items: center;
        gap: var(--sizing-md);
        justify-content: center;
    }
    
    button {
        padding: var(--button-padding);
        background-color: var(--color-brand-1);
        color: var(--color-on-brand);
        border: none;
        border-radius: 0;
        &:hover {
            background-color: var(--color-brand-1-dark);
        }
    }
}
@media screen and (max-width: 768px) {
    .toolbar {
        fieldset {
            flex-direction: column;
            align-items: flex-start;
        }
    }
}
@media print {
    .toolbar {
        display: none;
    }
}