@import url('https://fonts.googleapis.com/css2?family=Texturina:ital,wght@0,200;1,200&display=swap');

body {
    font-family: 'Texturina', serif;

    --PUP-BGCOLOR: #EFEFEF;
    --PAGE-BGCOLOR: #EFEFEF;
    --BTN-INACT-BGCOLOR: #28C1C0;
    --BTN-HOV-BGCOLOR: #198786;
    --BTN-ACT-BGCOLOR: #90dedd;
    --INPUT-INACT-BORDERCOLOR: lightgray;
    --INPUT-ACT-BORDERCOLOR: var(--BTN-HOV-BGCOLOR);
    --INPUT-BGCOLOR: var(--PUP-BGCOLOR);
    --LABEL-TCOLOR: #0d4c4b;

    --TITLE-COLOR: white;
    --AUTHOR-COLOR: lightgray;
    --DESC-COLOR: white;

    background-color: var(--PAGE-BGCOLOR);
}

input, textarea {
    font-family: 'Texturina', serif;
    font-size: 16px;
    background-color: var(--INPUT-BGCOLOR);
}

label {
    text-transform: uppercase;
}

section.upload-popup {
    display: block;
    position: fixed;
    width: 500px;
    height: 500px;
    left: calc(50vw - 250px);
    top: calc(50vh - 250px);
    background-color: var(--PUP-BGCOLOR);
    overflow: hidden;
    border-radius: 0.5em;
}

section.upload-popup-slider {
    display: block;
    position: absolute;
    width: 1600px;
    height: 500px;
    background-color: var(--PUP-BGCOLOR);
    left: 0px;

    transition: 0.3s ease-in-out;
}

section.upload-popup-inner-container {
    display: inline-block;
    width: 460px;
    height: 460px;
    margin: 10px;
    padding: 10px;
    vertical-align: bottom;
    background-color: var(--PUP-BGCOLOR);
}

section.btn,
section.upload-btn {
    padding: 0.8em 1.2em;
    background-color: var(--BTN-INACT-BGCOLOR);
    display: inline-block;
    cursor: pointer;
    color: white;
    text-transform: uppercase;
    font-weight: bold;
    border-radius: 0.2em;
}

section.btn:hover,
section.upload-btn:hover {
    background-color: var(--BTN-HOV-BGCOLOR);
}

section.btn:active,
section.upload-btn:active {
    background-color: var(--BTN-ACT-BGCOLOR);
}

section.upload-btn {
    padding: 1em 1em;
    background-color: gray;
    display: inline-block;
    cursor: pointer;
    height: 2.4em;
    width: 2.4em;
    text-align: center;
    border-radius: 50%;
}

*[shown="false"] {
    visibility: hidden;
    display: none;
    opacity: 0%;
    transition: 0.3s ease;
}

*[shown="true"] {
    opacity: 100%;
    transition: 0.3s ease;
}

label {
    color: var(--LABEL-TCOLOR);
}

input[type="text"],
textarea {
    margin-left: 20px;
    border: 0;
    border-bottom: 2px solid var(--INPUT-INACT-BORDERCOLOR);
}

input[type="text"]:focus,
textarea:focus {
    border-bottom-color: var(--INPUT-ACT-BORDERCOLOR);
}

section.upload-popup-closebtn {
    font-size: 24px;
    display: block;
    float: right;
    position: absolute;
    z-index: 1000;
    text-align: center;
    right: 0.5em;
    color: #c15353;
    cursor: pointer;
}

section.display {
    display: block;
    position: absolute;
    width: calc(100vw - 10px);
    margin: 5px;
}

img.thumbnail {
    margin: 0;
    display: inline-block;
    /*max-width: 600px;*/
    border-radius: 2px;
    opacity: 0;

    cursor: pointer;

    transition: 0.3s ease;
}

img.thumbnail:hover {
    filter: brightness(130%);
}

section.thumbnail-container {
    margin: 4px 4px;
    display: inline-block;
    border-radius: 2px;
}

section.viewer {
    position: fixed;
    display: block;
    z-index: 2000;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100vw;
    background-color: rgba(0,0,0,0.9);
    text-align: center;

    opacity: 0;

    transition: 0.3s ease;
}

section.viewer[shown="true"]
{
    opacity: 100%;
}

img.viewer {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    z-index: 3000;

    transition: 0.3s ease;
}

span.art-title,
span.art-author,
span.art-desc {
    position: absolute;
}

span.art-title {
    left: 1em;
    color: var(--TITLE-COLOR);
    font-weight: bold;
    font-size: 32px;
}

span.art-author {
    left: 2.5em;
    top: 45px;
    color: var(--AUTHOR-COLOR);
    font-size: 20px;
}

span.art-desc {
    left: 2.2em;
    right: 1em;
    top: 85px;
    color: var(--DESC-COLOR);
    font-size: 16px;
    text-align: left;
}

section.art-captions {
    display: block;
    z-index: 4000;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 200px;

    opacity: 0;

    transition: 0.3s ease;
}

section[shown="true"] {
    opacity: 100%;
}