:root {
  --umple-dark-bg: #222;
  --umple-dark-text: #ddd;
  --umple-node-fill: #333333;
  --umple-node-color: #e6e6e6;
  --umple-edge-color: #e6e6e6;
  --umple-state-border: #565f77;
  --umple-diagram-bg: #181818;
}

body {
  background-color: var(--umple-dark-bg);
  color: var(--umple-dark-text);
  color-scheme: dark;
}

/* Logo container should be transparent so SVG shows without background box */
.inRow.logo {
  background-color: transparent !important;
}

/* Smooth transitions for theme changes */
body,
#mainApplication,
#paletteColumn,
#topLine,
#generatedCodeRow,
#tabRow,
#tabControl,
#taskArea,
#umpleCanvas,
.joint-paper,
.html-element {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, fill 0.3s ease, stroke 0.3s ease;
}

#mainApplication,
#paletteColumn,
#topLine,
#generatedCodeRow,
#tabRow,
#tabControl,
#taskArea {
  background-color: #222;
  color: #ddd;
}

#header.row {
  background-color: transparent;
}

.pagedescription,
.pagedescription a {
  color: #ccc;
}

.button2 {
  background: linear-gradient(180deg, #4f4f4f 0%, #3a3a3a 100%);
  border: 1px solid #5a5a5a;
  border-top-color: #707070;
  color: #ffffff;
  text-shadow: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.button2:hover {
  background: linear-gradient(180deg, #626262 0%, #4e4e4e 100%);
  border-color: #7a7a7a;
  color: #ffffff;
}

.active {
  background: linear-gradient(180deg, #3a639b 0%, #2c4a75 100%);
  border-color: #456da5;
  color: #ffffff;
}

.section {
  background-color: #333;
  border-color: #555;
}

h3 a,
h3 a:link {
  background: none;
  box-shadow: none;
  color: #eee;
}

a {
  color: #8af;
}

.visitors-count {
  color: #ccc;
}

.visitors-count a {
  color: #9cc7ff;
}

img[src="scripts/uottawa_ver_black.png"],
img[src="scripts/delete2.jpg"] {
  filter: invert(1);
}

ul.tabrow li,
ul.tabrow li.selected {
  background: #444;
  border-color: #555;
}

ul.tabrow li.selected,
.tabrow li.selected {
  background: #222;
  border-bottom-color: #222;
}

ul.tabrow li a {
  background: transparent;
  border-color: inherit;
  color: #fff;
  text-shadow: none;
}

ul.tabrow li::before,
ul.tabrow li::after,
ul.tabrow li.selected::before,
ul.tabrow li.selected::after {
  content: none;
  box-shadow: none;
}

.tabrow::before {
  border-bottom: none;
}

.tabrow li {
  box-shadow: none;
  text-shadow: none;
}

#paletteColumn {
  background-color: var(--umple-node-fill);
  border-color: #444;
  color: var(--umple-node-color);
}

div.paletteWrapper,
div.palette ul {
  background-color: #2b2b2b;
  border-color: #444;
  color: inherit;
}

div.palette ul.first,
div.palette ul.second {
  border-top-color: #444;
}

div.palette ul {
  box-shadow: none;
}

div.palette li {
  border-color: #2b2b2b;
  color: #e6e6e6;
  background-color: transparent;
}

div.palette li.subtitle {
  color: #f0f0f0;
  border-bottom-color: #555;
  text-shadow: none;
}

div.palette li.selected,
div.palette li.highlight {
  background-color: #3a3a3a;
  border-color: #666;
  color: #ffffff;
}

div.palette li.disabled {
  background-color: #333;
  color: #777;
}

div.palette li.disabled img {
  opacity: 0.35;
}

#paletteColumn h3.ui-accordion-header>a:link,
#paletteColumn h3.ui-accordion-header>a:visited {
  color: #9cc7ff !important;
}

#paletteColumn h3.ui-accordion-header:hover>a:link,
#paletteColumn h3.ui-accordion-header:hover>a:visited {
  color: #c0ddff !important;
}

#paletteColumn .ui-state-default,
#paletteColumn .ui-widget-content {
  background: #333;
  color: #e6e6e6;
  border-color: #444;
}

#paletteColumn .ui-state-hover {
  background: #3f3f3f;
}

#paletteColumn .ui-state-default .ui-icon,
#paletteColumn .ui-state-active .ui-icon,
#paletteColumn .ui-state-hover .ui-icon {
  filter: invert(1) hue-rotate(180deg);
}

#paletteColumn div.jQuery-palette-button {
  background: #2f2f2f;
  border: 1px solid #4a4a4a;
  color: #9cc7ff;
}

#paletteColumn div.jQuery-palette-button.ui-state-hover {
  background: #3a3a3a;
}

div.palette a.buttonExtend {
  color: #ffffff;
}

div.palette li.disabled a.buttonExtend {
  color: #777;
}

#buttonAddAssociation img,
#buttonAddGeneralization img {
  filter: invert(1) brightness(1.1);
}

#umpleCanvas {
  background-color: var(--umple-diagram-bg);
  border-color: #333333;
  color: var(--umple-node-color);
}

#umpleCanvasColumn,
div.surface,
.structureInCanvas {
  background-color: #181818;
  border-color: #333333;
  color: #e6e6e6;
}

div.surface.photoReady {
  background-color: #181b25;
}

div.syncNeededMessage {
  color: #a7b4d6;
}

.joint-paper {
  background-color: #181818 !important;
}

.joint-paper .joint-element rect,
.joint-paper .uml-class-name-rect,
.joint-paper .uml-class-attrs-rect,
.joint-paper .uml-class-methods-rect,
.joint-paper .state-name-rect {
  fill: var(--umple-node-fill);
  stroke: var(--umple-node-color);
}

.joint-paper .state-actions-separator,
.joint-paper .state-internals-separator {
  stroke: #e6e6e6;
}

.joint-paper .joint-element text,
.joint-paper text,
.joint-paper .uml-class-name-text,
.joint-paper .uml-class-attrs-text,
.joint-paper .uml-class-methods-text,
.joint-paper .state-name-text,
.joint-paper .state-actions-text,
.joint-paper .state-internals-text {
  fill: #e6e6e6;
}

.joint-paper .joint-link .connection {
  stroke: var(--umple-edge-color);
}

.joint-paper .joint-link .marker-arrowhead,
.joint-paper .joint-link .marker-vertex {
  fill: var(--umple-edge-color);
  stroke: var(--umple-edge-color);
}

.joint-paper .joint-element .fobj body,
.joint-paper .joint-element .fobj div {
  background-color: #333333;
  color: #e6e6e6;
}

.joint-paper .html-element input,
.joint-paper .html-element .classAttributes,
.joint-paper .html-element .classMethods {
  background: transparent;
  color: inherit;
}

.html-element {
  background-color: #333333 !important;
  border-color: #e6e6e6 !important;
  box-shadow: none !important;
  color: #e6e6e6 !important;
}

.html-element input {
  color: #e6e6e6 !important;
}

.html-element label {
  color: #e6e6e6 !important;
  text-shadow: none !important;
}

.html-element span {
  color: #e6e6e6 !important;
}

.className .edit {
  filter: invert(0.85) !important;
}

.html-element button.delete {
  background-color: #2a2f3d !important;
  border: 1px solid #f48b8b !important;
  color: #f48b8b !important;
}

.html-element button.delete:hover {
  background-color: #f48b8b !important;
  color: #1c1f2a !important;
}

div.umpleClass {
  background-color: #333333 !important;
  color: #e6e6e6 !important;
  border-color: #e6e6e6 !important;
}

div.umpleClass td {
  border-color: #e6e6e6 !important;
}

div.umpleAttribute span,
div.umpleMethod span {
  color: #e6e6e6 !important;
}

div.umpleAttributeNew span,
div.umpleMethodNew span {
  color: #e6e6e6 !important;
}

div.umpleLine {
  background-color: #e6e6e6 !important;
}

div.umpleAssociationTemp,
div.umpleGeneralization {
  background-color: #e6e6e6 !important;
}

div.umpleAssociation,
div.umpleGeneralization,
div.umpleAssociation span,
div.umpleGeneralization span {
  color: #e6e6e6 !important;
}

div.untracedAssociation,
div.redTracedAssociation {
  background-color: transparent !important;
}

div.multiplicity,
div.role {
  color: #e6e6e6 !important;
}

select.button {
  background-color: #2e2e2e;
  border-color: #555;
  color: #e6e6e6;
}

.bookmarkableUrl,
.bookmarkableUrl a {
  color: #9cc7ff;
}

a.button:link,
a.button:visited,
a.button:hover,
a.button:active {
  color: #f0f0f0;
}

.theme-mode-toggle {
  color: #ddd;
}

.theme-mode-select {
  background-color: #2f2f2f;
  border-color: #565f77;
  color: #f0f0f0;
}