:root {
  --color-bg: var(--background);

  --color-menu: var(--f_high);
  --color-menubg: var(--b_low);
  --color-menuascent: var(--f_med);

  --color-item: var(--f_high);
  --color-itembg: var(--b_low);
  --color-itemascent: var(--f_med);

  --color-image: #fff;                /*Text overlaying an image item*/
  --color-imagedarken: #000;          /*Overlay on image as text background */

  --color-page-bg: #000;
  --color-page-input: #111;
  --color-page-i: #222;               /*idle*/
  --color-page-e: #333;               /*enabled*/
  --color-page-a: #666;               /*ascent*/

  --alpha-darken: 0.6;
  --alpha-idleicon: 0.2;
  --alpha-idle: 0.4;
  --alpha-enabledicon: 0.4;
  --alpha-enabled: 1.0;
  --alpha-ascent: 1.0;

  --size-menu: 150px;
  --size-menu-item-sepv: 14px;        /*vertical space between menu items*/
  --size-menu-item-seph: 10px;        /*horizontal space between menu item count and icon*/
  --size-menu-itemgroup-sepv: 30px;   /*vertical space between menu types (types to terms, terms to tags)*/
  --size-menu-tag-sepv: 10px;         /*space between tag items*/

  --size-grid-gutter: 20px;
  --size-grid-column: 350px;

  --size-item-corner: 10px;
  --size-item-elem-padding: 1em;      /*vertical space between grid item internal elements (tags, notes, quotes etc)*/
  --size-item-elem-sep: 0.75em;       /*horizontal space between item element icon and element text (tag icon and tags)*/

  --size-font-title: 1em;
  --size-font-body: 0.8em;
  --size-font-menutypes: 1em;
  --size-font-menutags: 0.8em;
  --size-font-bodytypes: 1em;         /*font size of type icon/count*/

  --cursor-expandImage: zoom-in;
  --cursor-minimizeImage: zoom-out;
}

* {
  box-sizing: border-box;
}
html {
	font-family: 'Monaco', 'Andale Mono', 'Deja Vu Sans Mono', 'Consolas', monospace;
	background: var(--background); 
	padding: 0em;
	margin: 0; 
  overflow-y: scroll; 
}
body {
	padding: 0em;
	margin: 0; 
}
::selection {
  background: var(--color-itemascent);
  color: var(--color-itembg)
}

a:active, a:focus {
  outline:0;
  border: none;
}

/* LOADING */
.loading-wave {
  display: inline-block;
  position: fixed;
  margin-left: calc(var(--size-menu)/2);
  top: 50%;
  left: 50%;
  width: 94px;
  height: 40px;
  transform: translateY(-50%) translateX(-50%);
}
.loading-wave div {
  position: absolute;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-itemascent);
  animation: loading-wave 1.5s infinite;
  transition-timing-function: ease-in-out;
  -webkit-animation-timing-function: ease-in-out; 
}
.loading-wave div:nth-child(1) {
  left: 0px;
  animation-delay: 0s;
}
.loading-wave div:nth-child(2) {
  left: 20px;
  animation-delay: -0.1s;
}
.loading-wave div:nth-child(3) {
  left: 40px;
  animation-delay: -0.2s;
}
.loading-wave div:nth-child(4) {
  left: 60px;
  animation-delay: -0.3s;
}
.loading-wave div:nth-child(5) {
  left: 80px;
  animation-delay: -0.4s;
}
@keyframes loading-wave {
  0% {
    transform: translateY(10px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(10px);
  }
}

/* ERROR */
.error {
  position: fixed;
  top: 50%;
  left: 50%;
  font-size: 128px;
  transform: translateY(-50%) translateX(-50%);
  display: none;
  color: var(--color-itemascent);
  font-size: 128px;
  vertical-align: center;
  text-align: center;
  z-index: 500;
  padding: 0;
  background-color: var(--color-bg);
  border-radius: var(--size-item-corner);
  border-color: var(--color-item);
  border-width: 1px;
  border-style: solid;
}
.error:after {
  content:'error'; 
  margin-left: var(--size-grid-gutter) ;
  margin-right: var(--size-grid-gutter) ;
}

/* NAV */
nav {
	padding-top: var(--size-grid-gutter);
  background: var(--color-bg);
  opacity: var(--alpha-idle);
	width: var(--size-menu);
	position: fixed;
	height: 100%;
	z-index: 100;
	left: 0px;
	top: 0px;
  /*overflow-y: scroll;*/                 /*allow menu to scroll on small screens*/
}
nav:hover {
  opacity: var(--alpha-ascent);
}
nav::-webkit-scrollbar {
  display: none;
}
.nav-itemgroup {
	padding-bottom: var(--size-menu-itemgroup-sepv);
	width: 100%;
  float: left;
}
.nav-item {
  padding-bottom: calc(var(--size-menu-item-sepv) / 2);
	padding-top: calc(var(--size-menu-item-sepv) / 2);
	font-size: var(--size-font-menutypes);
  opacity: var(--alpha-idle);
  color: var(--color-menu);
  text-align: center;
	margin: 0px auto;
	width: 100%;
	float: left;
}
.nav-item:hover {
  color: var(--color-menuascent);
  opacity: var(--alpha-ascent);
}
.nav-itemcount {
	padding-right: calc(var(--size-menu-item-seph) / 2);
	display: inline-block;
	text-align: right;
	float: left;
	width: 50%;
}
.nav-itemicon {
	margin-left: calc(var(--size-menu-item-seph) / 2);
	margin-top: calc(var(--size-font-bodytypes) / 10);
	width: calc(var(--size-font-bodytypes) * 1.25);
	display: inline-block;
	text-align: center;
	float: left;
}
.nav-tagcontainer {
	margin: 0 auto;
	display: table;
}
.nav-tagicon {
	padding-bottom: calc(var(--size-menu-item-sepv) / 2);
	padding-top: calc(var(--size-menu-item-sepv) / 2);
	font-size: var(--size-font-menutags);
  opacity: var(--alpha-idle);
	color: var(--color-menu);
	display: table-row;
	text-align: center;
	width: 100%;
	float: left;
}
.nav-tag {
  padding-bottom: calc(var(--size-menu-tag-sepv) / 2);
  padding-top: calc(var(--size-menu-tag-sepv) / 2);
  font-size: var(--size-font-body);
  opacity: var(--alpha-idle);
  color: var(--color-menu);
  width: 100%;
  float: left;
  clear: left;
}
.nav-tagcount {
	padding-right: var(--size-menu-tag-sepv);
	text-align: right;
	float: left;
}
.nav-taglabel {
	text-align: left;
	float: left;
}
.nav-tag:hover {
  opacity: var(--alpha-ascent);
}
.nav-tag:hover .nav-taglabel {
  background-color: var(--color-itemascent);
  color: var(--color-menubg);
}
.nav-tag:hover .nav-tagcount {
  color: var(--color-itemascent);
}

/* MAIN */
.container {
  background: var(--background); 
  margin-left: calc(var(--size-menu) + var(--size-grid-gutter));
	margin-right: var(--size-grid-gutter);
}
main {
  margin: var(--size-grid-gutter) auto;
}
main:after {
  /* clearfix (reset) */
  display: block;
  content: '';
  clear: both;
}

/* GRID ITEM */
.article, .article-wide {
	border-radius: var(--size-item-corner);
  margin-bottom: var(--size-grid-gutter);
  background: var(--color-itembg);
	width: var(--size-grid-column);
  text-decoration: none; 
  position: relative;
	float: left;
  overflow: hidden;
}
@media screen and (min-width: 886px) {
	.article-wide { 
		width: calc(var(--size-grid-column) * 2 + var(--size-grid-gutter));
	}
}
article:hover { 
  background: var(--color-itembg);
}
article::selection {
    background: var(--b_high);
}
.article-containerupper {
  padding: var(--size-grid-gutter) var(--size-grid-gutter) 0 var(--size-grid-gutter);
  display: inline-block;
  z-index: 100;
  width: 100%;
}
.article-containerlower {
  padding: 0 var(--size-grid-gutter) var(--size-grid-gutter);
  display: inline-block;
  z-index: 100;
}

/*IMAGE*/
.article-imageType-imgContainer {
  z-index: 200;
  position: relative;
}
.article-containerupper-image {
  cursor: var(--cursor-expandImage);
  padding: var(--size-grid-gutter) var(--size-grid-gutter) 0 var(--size-grid-gutter);
  display: none;
  position: absolute;
  width: 100%;
  left: 0;
  z-index: 300;
  top: 0;
}
article:hover .article-containerupper-image {
  display: inline-block;
}
.article-containerlower-image {
  cursor: var(--cursor-expandImage);
  padding: var(--size-grid-gutter);
  position: absolute;
  bottom: 0;
  z-index: 200;
  left: 0;
}
.article-containerlower-image:empty {
  display: none;
}
article:hover .article-containerlower-image {
  display: inline-block;
}
.article-containerbelow {
  display: table;
  padding-left: var(--size-grid-gutter);
  padding-right: var(--size-grid-gutter);
  padding-top: calc(var(--size-grid-gutter)/2);
  padding-bottom: var(--size-grid-gutter);
}
.article-containerbelow:empty {
  display: none;
}

.article-image {
  position: absolute;
  top: 0;
  background: transparent;
  padding-bottom: 0;
  overflow: hidden;
}
.article-image-img {
  vertical-align: middle; /* vertical-align css hack removes bottom padding */
  object-fit: cover;
  margin-bottom: 0px;
  width: 100%;
  max-height: 1000px;
  position: relative;
  z-index: 100;
  top: 0;
  left: 0;
}
.article-img {
  vertical-align: middle; /* vertical-align css hack removes bottom padding */
  width: calc(100% + var(--size-grid-gutter)*2);
  max-height: 1000px;
  margin-left: calc(-1 * var(--size-grid-gutter));
  margin-right: calc(-1 * var(--size-grid-gutter));
  padding-top: var(--size-grid-gutter);
  cursor: var(--cursor-expandImage);
}
.image-overlay { 
  background-color: var(--color-imagedarken);
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 150;
  opacity: 0;
  cursor: var(--cursor-expandImage);
}
.article:hover .image-overlay { 
  opacity: var(--alpha-darken);
}
.article-image .article-link {
  display: none;
}
.article-image:hover .article-link {
  display: initial;
  text-shadow: 0 0 3em #000;
}

/* TITLE */
.article-title {
  color: var(--color-item);
  font-size: var(--size-font-title);
  text-decoration: none;
  float: left;
  clear: both;
}
.article-image .article-title {
  display: none;
}
.article-image:hover .article-title {
  display: initial;
  text-shadow: 0 0 3em #000;
  color: white;
}

/* LINK */
.article-linkcontainer { 
  margin-top: var(--size-item-elem-padding);
  float: left;
  clear: both;
}
.article-link {
  width: calc(100% - var(--size-font-bodytypes) * 2);
  float: left;
  clear: both;
  text-decoration: none;
  display: inline-block;
}

.article-linktitle { 
  opacity: var(--alpha-idle);
  color: var(--color-item);
  font-size: var(--size-font-body);
  float: left;
}
.article-link:hover .article-linktitle { 
  background-color: var(--color-itemascent);
  color: var(--color-itembg);
}
.article-linkicon { 
  width: 23px;
  font-size: 15px;
  color: var(--color-item);
  float: left;
}
article:hover .article-linktitle {
  opacity: var(--alpha-enabled);
}
.article-link:hover .article-linktitle {
  opacity: var(--alpha-ascent);
}

/* TYPE */
.article-typecontainer {
  position: absolute;
  right: 0px;
  top: 0px;
  margin-right: var(--size-grid-gutter);
}
.article-type {
  color: var(--color-item);
  padding-bottom: var(--size-grid-gutter);
  padding-top: var(--size-grid-gutter);
  font-size: var(--size-font-bodytypes);
  vertical-align: top;
  text-align: center;
  float: right;
  text-decoration: none;
  width: 30px;
  padding-left: 10px;
}
.article-image .article-typeicon {
  display: none;
}
.article-image:hover .article-typeicon  {
  display: initial;
  color: var(--color-image);
}
.article-typeicon {
  opacity: var(--alpha-idleicon);
}
article:hover .article-typeicon {
  opacity: var(--alpha-enabledicon);
  color: var(--color-item);
}
.article-type:hover .article-typeicon {
  opacity: var(--alpha-ascent);
  color: var(--color-itemascent);
}

/* DATE, NOTE, QUOTE, TERM, TAGS, AUTH, PROG etc */
.article-icon {
  float: left;
  opacity: var(--alpha-idleicon);
}
article:hover .article-icon {
  opacity: var(--alpha-enabledicon);
}
.article-row {
  padding-top: var(--size-item-elem-padding);
  color: var(--color-item); 
  font-size: var(--size-font-body);
  float: left;
  clear: both;
  cursor: default;
}
article:hover .article-row {
  color: var(--color-item);
}
.article-image .article-row {
  color: var(--color-image); 
}
.article-rowtext {
  display: inline;
  opacity: var(--alpha-idle);
}
article:hover .article-rowtext {
  opacity: var(--alpha-enabled);
}
.article-file {
  word-break: break-all;
}
.article-file-link {
  color: var(--color-item); 
  text-decoration: none;
}
.article-file-link:hover {
  background-color: var(--color-itemascent);
  color: var(--color-itembg);
  word-break: break-all;
}

/* IMAGE */
.article-containerlower-image {
  display: none;
}
.article-image:hover .article-containerlower-image {
  display: initial;
}
.article-taglink {
  color: var(--color-item); 
  text-decoration:none; 
}
article:hover .article-taglink {
  color: var(--color-item); 
}
article:hover .article-taglink:hover {
  background-color: var(--color-itemascent);
  color: var(--color-itembg);
}
.article-image:hover .article-taglink {
  color: #fff; 
}
.article-image:hover .article-taglink:hover {
  color: #fff; 
}

/* SMALL ICONS */
.textIcon {
  color: #fff;
  margin-right: var(--size-item-elem-sep); 
}
article:hover .textIcon {
  color: var(--color-item);
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 300;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
}
.lightbox-back {
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.9);
  cursor: var(--cursor-minimizeImage);
}
.lightbox-img {
  position: absolute;
  top: 50%;
  left: 50%;
  max-height: 100vh;
  max-width: 100vw;
  transform: translateY(-50%) translateX(-50%);
  vertical-align: middle;
  cursor: var(--cursor-minimizeImage);
}





/*TODO: refactor below; */

/* PAGE */
.page-overlay {
  /* visual */
  background-color: var(--color-page-bg);
  opacity: 0;
  /*-webkit-transition: opacity var(--animation-time) linear;
  transition: opacity var(--animation-time) linear;*/
  width: 100%;
  height: 100%;
  /* position */
  position: absolute;
  z-index: -100;
  left: 0;
  top: 0;
  /* content */
  display: none;
  align-items: center;
  justify-content: center;
  user-select: none;
  /*noselect stops an unwanted selection visual on button click*/
  -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome and Opera */
}
.page-overlay .content-menu {
  width: 100px;
  float: left;
  text-align: center;
  height: 100%;
  padding-top: auto;
  padding-bottom: auto;
  margin-right: 50px;
  border-radius: var(--size-item-corner);
}
.page-overlay .content-menu:hover {
  background-color: var(--color-page-i);
}
.page-overlay .content-menu:hover a {
  color: var(--color-page-a);
}
.page-overlay .content-menu a {
  color: var(--color-page-e);
  text-decoration: none;
}
.page-overlay .content-menu .content-menu-option {
  height: 100px;
  width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-overlay .content form {
  float: left;
}
.page-overlay .content .row .key {
  width: 100px;
  color: var(--color-page-a);
  visibility: hidden;
  float: left;
  padding: 9px 7px 10px 0;
  text-align: right;
  margin-right: 0px;
}
.page-overlay .content .row input {
  padding: 10px;
  width: 400px;
  margin-bottom: 10px;
  background-color: var(--color-page-input);
  color: #fff;
  border-width: 0px;
  border-radius: var(--size-item-corner);
}
.page-overlay .content .row input::placeholder {
  opacity: 1;
  color: var(--color-menu);
}
.page-overlay .content .row input:hover {
  background-color: var(--color-page-i);
}
.page-overlay .content .row input:focus {
  background-color: var(--color-page-e);
}
.page-overlay .content .display {
  float: left;
  height: 100%;
  width: 400px;
  padding: 10px;
  margin-left: 50px;
  color: var(--color-page-e);
}
.page-overlay .content-enter {
  margin-top: 50px;
  float: left;
  width: 100%;
  height: 100px;
  clear: both;
  text-align: center;
  padding-top: auto;
  padding-bottom: auto;
  vertical-align: center;
  border-radius: var(--size-item-corner);
}
.page-overlay .content-enter .content-menu-option {
  height: 100%;
  vertical-align: center;
  padding-top: auto;
  padding-bottom: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-overlay .content-enter:hover {
  background-color: var(--color-page-i);
}
.page-overlay .content-enter:hover a {
  color: var(--color-page-a);
}
.page-overlay .content-enter a {
  color: var(--color-page-e);
  text-decoration: none;
}