* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 150px;
    font-size: 0.9rem;
}

.material-symbols-outlined.toggle,
.material-symbols-outlined.message,
.material-symbols-outlined.mail {
    font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 20;
    vertical-align: middle;
    font-size: 2.5rem;
}

.message, .mail { color: rgb(68, 65, 65); }

body {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    background-color: rgb(245, 245, 245);
}

#main-doc {
    line-height: 1.7;
    background: repeating-linear-gradient(
        to bottom,
        rgb(225, 240, 245),
        rgb(201, 236, 248),
        rgb(225, 240, 245) 300px);
    padding: 1rem;
}

#navbar {
    position: sticky;
    top: 0;
    left: 0;
    color: white;
    background: linear-gradient(to right, rgb(10, 8, 126), rgb(12, 4, 119), rgb(6, 3, 58));
    padding: 1rem 0.5rem;
    z-index: 1000;
    width: 100%;
}

#navbar ul, .material-symbols-outlined.toggle-on,
#navbar input:checked ~ label .material-symbols-outlined.toggle-off { display: none; }
#navbar input:checked ~ label .toggle-on { 
    display: inline-block;
    color: rgb(20, 20, 226);
}

#navbar input:checked ~ ul {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    list-style: none;
    background: inherit;
    overflow-y: auto;
    color: inherit;
    padding-left: 0;
    gap: 0.5rem;
    margin: 0;
}

#navbar header h1 {
    text-align: center;
    margin: 0 0 1rem 0;
}

#navbar a { color: rgb(235, 234, 234); }

a {
    text-decoration: none;
    color: rgb(6, 78, 180);
}

.context section ul { padding-left: 1.1rem; }

.code-block {
    border-radius: 5px;
    background-color: rgb(245, 245, 220);
    font-family: monospace;
}

div.code-block {
    border: 2px solid rgba(164, 164, 241, 0.493);
    padding: 1rem;
}

code.code-block { padding: 0.2rem 0.5rem; }
code.tab-4 { margin-left: 1rem; }
code.tab-8 { margin-left: 2rem; }

.comment {
    margin-left: 2rem;
    color: rgb(83, 83, 83);
}

.code-keyword { color: rgb(236, 8, 236); font-weight: bold; }
.code-string { color: rgb(7, 204, 7); }
.code-int { color: rgb(248, 164, 6); }
.code-bool { color: rgb(59, 59, 243); }

footer {
    background-color: rgb(190, 229, 245);
    padding: 0.5rem 0.7rem 1rem;
    margin: 2rem -1rem -1rem;
    font-size: 0.8rem;
    color: rgb(49, 48, 48);
}

footer p { margin: 0.1rem 0; }
footer .privacy-info a { text-decoration: underline dotted rgb(6, 78, 180); }

address {
    text-align: center;
    margin-top: 1rem;
    font-style: normal;
}

address .contacts {
    display: flex;
    justify-content: center;
    gap: 1rem;
    align-items: center;
    width: 50%;
    margin: 0 auto;
}

.x-icon {
    font-size: 2rem;
    font-weight: 900;
    color: rgb(33, 151, 197);
}

.visually-hidden-checkbox {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    pointer-events: none;
}

.sr-only {
    position: fixed;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}


/* Styles for tablets and laptops */
@media screen and (min-width: 620px) {
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 15px;
        font-size: 1rem;
    }

    body {
        padding: 0;
        height: 100vh;
    }

    #main-doc {
        display: flex;
        padding: 0 1rem 0 0;
        margin-right: 0;
    }

    header h1 { font-size: 1.5rem; }

    #navbar {
        order: 1;
        height: 100vh;
        position: sticky;
        top: 0;
        flex: 1 0 30vw;
        overflow-y: auto;
        border-left: 2px solid rgba(255,255,255,0.1);
    }

    #navbar label, .visually-hidden-checkbox { display: none; }
    
    #navbar ul {
        display: block;
        list-style: none;
        padding-left: 0;
    }

    #navbar ul li {
        padding: 1rem 0 1rem 0;
        border-bottom: 2px solid grey;
    }

    div.context {
        order: 2;
        flex: 1 1 70vw;
        padding: 2rem;
        height: 100vh;
        overflow-y: auto;
    }

    footer {
        margin: 2rem -2rem -2rem -2rem;
        font-size: 0.8rem;
    }

    address p { display: inline-block; text-align: center; }

    address .contacts {
        width: unset;
        gap: 2rem;
        margin: 0;
    }
    
    .x-icon { font-size: 2.5rem; }

    a:hover .message, a:hover .mail, a:hover.x-icon,
    .privacy-info a:hover { 
        color: rgb(0, 0, 250);
        text-decoration: none;
    }
}