Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/apps/music/css/activity.css

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+#view-stack {
+  bottom: 0;
+}
+
+#tab-bar {
+  display: none;
+}

gaia/apps/music/css/app.css

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+[hidden] {
+  display: none;
+}
+
+html {
+  background: var(--background);
+  color: #fff;
+  font-size: 10px;
+  font-family: 'FiraSans';
+}
+
+body {
+  margin: 0;
+  overflow: hidden;
+  -moz-user-select: none;
+}
+
+a {
+  display: block;
+  font-size: 2rem;
+  padding: 1rem;
+}
+
+music-scan-progress {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+}
+
+#tab-bar {
+  transform: translate(0, 0);
+  visibility: visible;
+  transition: transform 0.2s linear, visibility 0s linear;
+}
+
+#view-stack {
+  position: absolute;
+  top: 5rem;
+  bottom: 4.6rem;
+  left: 0;
+  width: 100%;
+  height: auto;
+  transition: bottom 0s linear 0.2s;
+}
+
+#player-button[hidden],
+body[data-search="true"] #player-button {
+  display: flex !important;
+  visibility: hidden;
+}
+
+body[data-search="true"] #header,
+body[data-search="true"] #tab-bar {
+  display: none !important;
+}
+
+body[data-search="true"] #view-stack {
+  top: 0;
+  bottom: 0;
+  transition: none;
+}
+
+body[data-active-view-url="/views/player/index.html"] #tab-bar {
+  transform: translate(0, 4.6rem);
+  visibility: hidden;
+  transition-delay: 0s, 0.2s;
+}
+
+body:not([data-active-view-url]) #view-stack,
+body[data-active-view-url="/views/player/index.html"] #view-stack {
+  bottom: 0;
+  transition-delay: 0s;
+}

gaia/apps/music/css/view.css

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+html {
+  background: var(--background);
+  color: #fff;
+  font-size: 10px;
+  font-family: 'FiraSans';
+  width: 100%;
+  height: 100%;
+}
+
+body {
+  margin: 0;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+  -moz-user-select: none;
+}
+
+/**
+ * 1. List-item height
+ */
+
+a[data-number]:before {
+  content: attr(data-number);
+  position: absolute;
+  offset-inline-start: 9px;
+  top: 0;
+  line-height: 60px; /* 1. */
+}
+
+/**
+ * 1. Required to override default padding.
+ */
+
+a[data-number] {
+  padding-inline-start: 29px !important; /* 1 */
+}
+
+music-search-box {
+  display: block;
+}
+
+music-search-results {
+  position: absolute;
+  top: 52px; /* music-search-box height */
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 10;
+}