/*
 * Copyright (C) 2024 dwlr <dweller@cabin.digital>
 *
 * BSD 3-Clause License (BSD-3-Clause)
 * See LICENSE for details
 */

:root
{
    /* general */
    --bg:         #FFFFFF;
    --bg-dark:    #F2F2F2;
    --fg:         #202124;
    --fg-mid:     #5F6368;
    --fg-light:   #70757A;

    --border:     #DADCE0;

    /* query input */
    --qbg:        white;
    --qborder:    var(--border);
    --qshadow:    transparent;

    --qbgh:       white;
    --qborderh:   var(--border);
    --qshadowh:   var(--qborder);

    /* buttons */
    --btn-bg:     #F8F9FA;
    --btn-fg:     var(--fg);
    --btn-shad:   transparent;
    --btn-brd:    transparent;

    --btn-bgh:    var(--btn-bg);
    --btn-fgh:    var(--btn-fg);
    --btn-shadh:  var(--border);
    --btn-brdh:   var(--border);

    --btn-bgf:    var(--btn-bg);
    --btn-fgf:    var(--btn-fg);
    --btn-shadf:  var(--border);
    --btn-brdf:   #4285F4;

    /* accent buttons */
    --abtn-bg:    #1A73E8;
    --abtn-fg:    #FFFFFF;
    --abtn-brd:   transparent;
    --abtn-shad:  #424043;

    --abtn-bgh:   #1B66C9;
    --abtn-fgh:   var(--abtn-fg);
    --abtn-brdh:  transparent;
    --abtn-shadh: #424043;

    --abtn-bgf:   #1C5FBA;
    --abtn-fgf:   var(--abtn-fg);
    --abtn-brdf:  transparent;
    --abtn-shadf: var(--abtn-shadh);

    /* links */
    --a-unvis:    #2317AE;
    --a-vis:      #681DA8;

    /* misc */
    --logo-a:     #4284F4;
    --logo-b:     #EA4335;
    --logo-c:     #FBBC05;
    --logo-d:     #34A853;
}

/* TODO: credit fonts */
@font-face
{
    font-family: fn-logo;
    src: url("/fonts/handil-pro.medium.otf");
}

@font-face
{
    font-family: fn-code-logo;
    src: url("/fonts/FiraCode-SemiBold.ttf");
}

html
{
    background-color: var(--bg);
    color: var(--fg);

    font-family: arial, sans-serif;
    font-size: small;

    height: 100dvh;
}

body { height: 100dvh; }

#js_tmp
{
    position:    fixed;
    top:         0;
    left:        0;
    z-index:     -1;
    height:      auto;
    width:       auto;
    visibility:  hidden;
    white-space: nowrap;
}

a
{
    cursor: pointer;
    color: var(--a-unvis);
    text-decoration: none;
}

a:visited
{
    color: var(--a-vis);
    text-decoration: none;
}

a:hover { text-decoration: underline; }

#main
{
    display:         flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: center;

    height: 100dvh;
}

#main > header
{
    display: flex;
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-end;
    flex-grow: 0.75;

    width: 100%;
    box-sizing: border-box;

    padding: 0 1rem;
}

#topnav
{
    display: flex;
    flex-direction: row;
    align-items: baseline;
}

#topnav_icon
{
    display: inline-block;

    width:  12pt;
    height: 12pt;

    margin:  0 1rem;
    padding: 0;

    background: no-repeat url("/imgs/menu.svg");
    background-size: contain;
}

#topnav > a
{
    display: inline-block;

    height: 3rem;
    margin: 1rem 0.5rem;

    border: 1px solid var(--btn-brd);
    border-radius: 0.35rem;

    font-size:  small;
    text-align: center;
    line-height: 2.5rem;

    color: var(--fg);
}

#logo
{
    max-width: 85vw;

    text-align:   center;
    word-spacing: -0.5rem;

    font-family: fn-logo, sans;
    font-size:   16pt;
}

#logo > h1
{
    display: inline-block;
    margin-bottom: 0;

    font-size: 32pt;
}

#logo-let  { color: var(--logo-a); font-size: 46pt; }
#logo-me   { color: var(--logo-b); }
#logo-man  { color: var(--logo-c); font-family: fn-code-logo, monospace; font-size: 30pt; }
#logo-that { color: var(--logo-a); }
#logo-for  { color: var(--logo-d); font-size: 38pt; }
#logo-you  { color: var(--logo-b); display: inline-block; transform: rotate(-2.5deg); }

@keyframes logo-ver_scale
{
    0%, 100%
    {
        font-size: 18pt;
        transform: rotate(-10deg);
    }
    50%
    {
        font-size: 21pt;
        transform: rotate(10deg);
    }
}

#logo-ver_wrap
{
    display:    block;
    min-height: 30pt;
}

#logo-ver
{
    display: block;
    float:   right;

    margin:  0;
    padding: 0 10pt;

    color: var(--fg);

    animation: logo-ver_scale 3.5s ease infinite;
}

#search_pane { flex-grow: 1; }

form
{
    display: flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: space-between;
}

button, input { all: unset; }
button:focus, input:focus { outline: 1px auto; }

/* NOTE: if you wanna change the height of the wrap, it's actually the #qfill height */
#query_wrap
{
    z-index: 2;
    display:         flex;
    flex-direction:  row;
    justify-content: flex-start;
    align-items:     center;

    font-size:  large;
    width:      min(42rem, 90vw);
    max-height: 3em;

    padding: 0;
    margin:  1rem;

    background-color: var(--qbg);
    border: 1px solid var(--qborder);
    border-radius: 10rem;

    box-shadow: 0.5pt 0.75pt 0.5rem var(--qshadow);

    overflow: hidden;
}

#qfill
{
    z-index: 1;
    flex-grow:   0;
    flex-shrink: 0;
    align-self:  flex-end;

    height: 5rem;
    width:  2rem;
    background-color: var(--qbg);
}

#query_wrap:hover > #qfill { background-color: var(--qbgh); }

#query_wrap:hover
{
    background-color: var(--qbgh);
    border: 1px solid var(--qborderh);
    box-shadow: 0.5pt 0.75pt 0.5rem var(--qshadowh);
}

#query { width: 100%; }
#query:focus
{
    outline: none;
    /* border-bottom: 1px solid var(--border);*/ /* useful but not goog-like, coz flat sucks */
}

#query_icon
{
    background: no-repeat url("/imgs/search.svg");
    background-size: contain;
    background-position: center;
    margin-right: 1rem;
    margin-left:  1.5rem;
    flex-shrink:  0;
    width:  14pt;
    height: 14pt;
}

#query_opts_toggle { display: none; }

#query_opts
{
    display:         flex;
    flex-direction:  row;
    justify-content: flex-start;
    align-items:     center;
}

.query_opt
{
    flex-shrink: 0;
    user-select: none;
    width: 20pt;
    color: var(--fg-light);
}

#sect, #arch
{
    flex-grow: 0;
    height: 2.6em;
    margin-right: 6pt;

    background-color: transparent;
    color:  var(--fg-mid);
    border: none;

    cursor: pointer;
    user-select: none;
}

@supports (-webkit-touch-callout: none)
{
    #sect, #arch { border-bottom: 2px solid var(--border); }
}

button, input[type=submit]
{
    z-index: 1;
    color:            var(--btn-fg);
    background-color: var(--btn-bg);

    height: 3rem;
    min-width: 6rem;

    margin: 1rem 0.5rem;
    padding: 0 0.5rem;

    border: 1px solid var(--btn-brd);
    border-radius: 0.35rem;

    font-size:  small;
    text-align: center;

    cursor: pointer;
    user-select: none;
}

button:hover, input[type=submit]:hover
{
    color:            var(--btn-fgh);
    background-color: var(--btn-bgh);

    border: 1px solid var(--btn-brdh);
    box-shadow: 0 0.45pt 0.15rem var(--btn-shadh);
}

button:focus, input[type=submit]:focus
{
    color:            var(--btn-fgf);
    background-color: var(--btn-bgf);
    border: 1px solid var(--btn-brdf);
}

.btn-acc
{
    color:            var(--abtn-fg);
    background-color: var(--abtn-bg);
    border: 1px solid var(--abtn-brd);
}

.btn-acc:hover
{
    color:            var(--abtn-fgh);
    background-color: var(--abtn-bgh);
    border: 1px solid var(--abtn-brdh);
    box-shadow: 0 0.45pt 0.15rem var(--abtn-shadh);
}

.btn-acc:focus
{
    color:            var(--abtn-fgf);
    background-color: var(--abtn-bgf);
    border: 1px solid var(--abtn-brdf);
}

.btn-def
{
    display: none;
    width:   0 !important;
    height:  0 !important;
    padding: 0 !important;
    border:  0 !important;
    margin:  0 !important;
}

.hint   { color: var(--fg-light); }
.center { text-align: center; }

footer, #about_pane
{
    width: 100%;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border);
}

#about_pane
{
    display:         flex;
    flex-direction:  row;
    justify-content: space-evenly;
}

#about_pane > section
{
    display:         flex;
    flex-direction:  row;
    align-items:     center;
    justify-content: space-evenly;
}

#about_pane > section > a
{
    display: inline-block;
    margin:  1rem 1rem;

    color: var(--fg);
}

.copyleft
{
    display:   inline-block;
    transform: rotate(180deg);
}


@media (max-width: 800px)
{
    #query_opts_toggle
    {
        display: inline;
        flex-shrink: 0;

        width:  2em;
        height: 3em;

        background: no-repeat url("/imgs/chevron.svg");
        background-size: 1em;
        background-position: center;
    }

    #query_opts_toggle:checked { transform: rotate(180deg); }

    #query_opts_toggle ~ div
    {
        max-width: 0;
        z-index:   0;

        transition: max-width 500ms linear;
    }

    #query_opts_toggle:checked ~ div { max-width: 75%; }
}

@media (prefers-color-scheme: dark)
{
    :root
    {
        /* general */
        --bg:         #202124;
        --bg-dark:    #171717;
        --fg:         #E8EAED;
        --fg-mid:     #BDC1C6;
        --fg-light:   #BDC1C6;

        --border:     #3C4043;

        /* query input */
        --qbg:        var(--bg);
        --qborder:    #5F6368;

        --qbgh:       #303134;
        --qborderh:   transparent;
        --qshadowh:   #171717;

        /* buttons */
        --btn-bg:     #303134;
        --btn-fg:     var(--fg);
        --btn-shad:   transparent;
        --btn-brd:    transparent;

        --btn-bgh:    var(--btn-bg);
        --btn-fgh:    var(--btn-fg);
        --btn-shadh:  transparent;
        --btn-brdh:   #5F6368;

        --btn-bgf:    var(--btn-bg);
        --btn-fgf:    var(--btn-fg);
        --btn-shadf:  transparent;
        --btn-brdf:   var(--btn-brdh);

        /* accent buttons */
        --abtn-bg:    #8AB4F8;
        --abtn-fg:    #202124;
        --abtn-brd:   transparent;
        --abtn-shad:  transparent;

        --abtn-bgh:   #93BAF9;
        --abtn-fgh:   var(--abtn-fg);
        --abtn-brdh:  transparent;
        --abtn-shadh: transparent;

        --abtn-bgf:   #A6C6FA;
        --abtn-fgf:   var(--abtn-fg);
        --abtn-brdf:  transparent;
        --abtn-shadf: transparent;

        /* links */
        --a-unvis:    #8AB4F8;
        --a-vis:      #C58AF9;

        /* misc */
        --logo-a:     #FFFFFF;
        --logo-b:     #FFFFFF;
        --logo-c:     #FFFFFF;
        --logo-d:     #FFFFFF;
    }

}