@font-face {
  font-family: Nunito Sans;
  src: url('fonts/Nunito_Sans/NunitoSans-Regular.ttf');
}
@font-face {
  font-family: Nunito Sans;
  src: url('fonts/Nunito_Sans/NunitoSans-Bold.ttf');
  font-weight: bold;
}
@font-face {
  font-family: Hammersmith One;
  src: url('fonts/HammersmithOne/HammersmithOne-Regular.ttf');
}

:root {
  --main-font-size: 16px;
  --display-font-family: Hammersmith One;
  --text-font-family: Nunito Sans;
  --main-background: #444;
  --main-color: #dcdcdc;
  --caption-font-size: 75%;
  --sub-background: #333;
  --sub-color: #ccc;
  --section-font-size: 80%;
  --section-color: #bbb;
  --section-background: linear-gradient(to bottom, #1c1c1c 75%, #2c2c2c 100%);
  --section-border-bottom: 1px solid #4c4c4c;
  --section-border-top: 1px solid #0c0c0c;
  --section-border-left: 1px solid #2c2c2c;
  --section-border-right: 1px solid #3c3c3c;
  --input-background: #111;
  --input-color: #aaa;
  --input-placeholder-color: #666;
  --input-font-size: 75%;
  --input-border: 1px solid #000;
  --input-border-radius: 2px;
  --button-background: #444;
  --button-color: #ccc;
  --button-border-left: 1px solid #4c4c4c;
  --button-border-right: 1px solid #0c0c0c;
  --button-border-bottom: 1px solid #2c2c2c;
  --button-border-top: 1px solid #3c3c3c;
  --selected-background: #8AD;
  --selected-color: #153;
  --default-transition: 0.1s all;
}

*::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
*::-webkit-scrollbar-track {
  background: #111;
  border-radius: 2px;
  box-shadow: inset 0 0 1px 1px #000;
}
*::-webkit-scrollbar-thumb {
  background: #333; 
  border-radius: 2px;
  box-shadow: inset 1px 1px 1px 0 #444;
}

html, body {
  width: 100%; height: 100%;
  margin: 0; padding: 0;
  font-family: var(--text-font-family);
  font-size: var(--main-font-size);
  background: var(--main-background);
  color: var(--main-color);
}

* {
  box-sizing: border-box;
}
/* When any element has a display set, the hidden flag doesn't apply unless the following is provided. */
*[hidden] {
  display: none;
}

.cursor-col-resize, .cursor-col-resize * { cursor: col-resize !important; }

body {
  display: flex;
  align-items: stretch;
  align-content: stretch;
}

cat-vbox, cat-hbox {
  position: relative;
  display: flex;
  align-items: stretch;
  align-content: stretch;
  flex: 1;
}
cat-vbox {
  flex-direction: column;
}
cat-hbox {
  flex-direction: row;
}

cat-splitter {
  position: absolute;
  top: 0;
  width: 8px;
  border: 2px solid green;
}
cat-vbox > cat-splitter {
  top: 50%;
  right: 0;
}
cat-hbox > cat-splitter {
  top: 50%;
  right: 0;
}

cat-gripper {
  position: relative;
  display: block;
  padding: 0; margin: 0;
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAFklEQVQImWNgYGD4r6Oj85+BGIBdJQDN6AUFzuZQgQAAAABJRU5ErkJggg==) repeat;
}

cat-caption {
  width: 100%;
  display: block;
  font-family: var(--display-font-family);
  font-size: var(--caption-font-size);
  vertical-align: middle;
  padding: 0.25em;
  user-select: none;
}

cat-checkbox {
  display: inline-block;
  background-image: url('images/icon_arrows.png');
  background-position: -16px 0;
  background-repeat: no-repeat;
  background-color: transparent;
  width: 16px; height: 16px;
  border: 0; padding: 0; margin:0;
  margin-right: 0.25em;
}

cat-checkbox[checked] {
  background-position: 0 0;
}

cat-control-group > cat-caption {
  display: flex;
  cursor: pointer;
  background: linear-gradient(to bottom, #4c4c4c 75%, #3c3c3c 100%);
  border-top: 1px solid #6c6c6c;
  border-bottom: 1px solid #1c1c1c;
}

cat-control-group {
  background: var(--sub-background);
  color: var(--sub-color);
}
cat-control-group > cat-box {
  display: flex;
  padding: 0.25em 0.5em 0.5em 0.5em;
}

cat-control-section {
}
cat-control-section label {
  font-size: 75%;
  margin: 0.25em 0.5em 0.25em 1.0em;
  display: flex;
  align-items: center;
  position: relative;
}
cat-control-section input {
  background: var(--input-background);
  color: var(--input-color);
  font-size: var(--input-font-size);
  border: var(--input-border);
  border-radius: var(--input-border-radius);
  margin: 0.25em;
  padding: 0.25em 0.5em;
  flex: 1 0 4em;
  width: 100%;
  min-width: 5em; /* yo ho, this be required to prevent too much shrinkage! */
  transition: var(--default-transition);
}
cat-control-section input[type=number] {
}
/* */
.section-heading {
  font-size: var(--section-font-size);
  background: var(--section-background);
  color: var(--section-color);
  border-left: var(--section-border-left);
  border-right: var(--section-border-right);
  border-top: var(--section-border-top);
  border-bottom: var(--section-border-bottom);
  padding: 0.25em;
}

cat-tabview {
  display: flex;
  flex: 1;
  flex-direction: column;
}
cat-tabview-selects {
  display: flex;
  flex-direction: row;
  height: 1.5em;
}
cat-tabview-select {
  display: flex;
  flex: 0 1 6em;
  background: linear-gradient(to bottom, #3c3c3c 75%, #2c2c2c 100%);
  border-top: 1px solid #6c6c6c;
  border-bottom: 1px solid #1c1c1c;
  overflow: hidden;
}
cat-tabview-select:hover {
  cursor: pointer;
}
cat-tabview-tabs {
  display: flex;
  flex: 1;
}
cat-tab {
  display: flex;
  flex: 1;
}
cat-tab > iframe {
  flex: 1;
}
cat-tabview-select.selected cat-caption {
  background: #555;
}

/* */
button {
  min-width: 1em;
  min-height: 1em;
  border-left: var(--button-border-left);
  border-right: var(--button-border-right);
  border-top: var(--button-border-top);
  border-bottom: var(--button-border-bottom);
  color: var(--button-color);
  background: var(--button-background);
}
button:hover {
  cursor: pointer;
}
button.close {
  content: 'x';
}

/* */
#view {
  background-color: black;
}
#view > cat-tabs {
  padding: 1em;
  background: var(--main-background);
}

.project-view {
  flex: 1;
}

cat-projectview {
  display: flex;
}

cat-projectview iframe {
  flex: 1;
}
/* */
cat-input {
  flex: 1;
}

/* */
cat-tree {
  display: table;
  width: 100%;
}
cat-tree-head {
  display: table-row;
}
cat-tree-row {
  display: table-row;
  transition: var(--default-transition);
}
cat-tree-row[selected] {
  background: var(--selected-background);
  color: var(--selected-color);
}
cat-tree-cell {
  display: table-cell;
  cursor: default;
}

cat-tree-row[depth="1"] cat-tree-cell:first-child {
  padding-left: 0.5em;
}
cat-tree-row[depth="2"] cat-tree-cell:first-child {
  padding-left: 1em;
}
cat-tree-row[depth="3"] cat-tree-cell:first-child {
  padding-left: 1.5em;
}
cat-tree-row[depth="4"] cat-tree-cell:first-child {
  padding-left: 2em;
}
cat-tree-row[depth="5"] cat-tree-cell:first-child {
  padding-left: 2.5em;
}

/* cat-timeline */
cat-timeline {
  flex: 1;
  overflow-x: scroll;
  background-color: #111;
  padding: 0 1em;
}
cat-timeline-view {
  position: relative;
  display: block;
  width: 100%;
  height: 2em;
}
cat-timeline-view:before {
  content: '';
  background-color: #ddd;
  display: block;
  height: 1px;
  width: 100%;
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
}

cat-timeline-keyframe {
  position: absolute;
  display: block;
  background-image: url('images/icon_buttons.png');
  background-position: 0 0;
  background-repeat: no-repeat;
  background-color: transparent;
  width: 16px; height: 16px;
  margin-left: -8px;
  margin-top: 8px;
}

cat-timeline-keyframe[selected] {
  background-position: -16px 0;
}

/* icons */
.icon-play {
  display: block;
  background-image: url('images/icon_controls.png');
  background-position: 0 0;
  background-repeat: no-repeat;
  background-color: transparent;
  padding: 0;
  border: 0;
  width: 16px; height: 16px;
}
.icon-play[selected] {
  background-position: -8px 0;
}