ui/src/plugins/com.android.HeapDumpExplorer/styles.scss - third_party/perfetto - Git at Google

 // Copyright (C) 2026 The Android Open Source Project
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 // Styles for the Heapdump Explorer plugin.
 // The CSS reset is provided by Perfetto's global styles.

 .pf-hde-page {
   // Domain-specific badge tokens — no --pf-* equivalent.
   --pf-hde-badge-reachability: #d97706;
   --pf-hde-badge-root: #f43f5e;
   --pf-hde-badge-string: #047857;

   .pf-theme-provider--dark & {
     --pf-hde-badge-reachability: #fbbf24;
     --pf-hde-badge-root: #fb7185;
     --pf-hde-badge-string: #34d399;
   }

   height: 100%;
   background: var(--pf-color-background-secondary);
   display: flex;
   flex-direction: column;
   color: var(--pf-color-text);
   overflow: hidden;
 }

 .pf-hde-main {
   flex: 1;
   min-height: 0;
   display: flex;
   flex-direction: column;
   overflow: hidden;
   padding: 1rem;
   max-width: 95%;
   margin: 0 auto;
   width: 100%;
   font-size: 0.875rem;
   line-height: 1.25rem;

   // The Tabs widget's content area must be a flex column so that DataGrid
   // views (which use flex: 1 on .pf-hde-view-content) fill the available height.
   .pf-tabs__content {
     display: flex;
     flex-direction: column;
   }
 }

 .pf-hde-heading-row {
   display: flex;
   align-items: baseline;
   gap: 0.75rem;
   margin-bottom: 0.75rem;

   // Remove the heading's own bottom margin when inside a heading row.
   .pf-hde-view-heading {
     margin-bottom: 0;
   }
 }

 // Inline label+control (e.g. "Path: <select>") sitting at the right edge
 // of an .pf-hde-heading-row.
 .pf-hde-heading-control {
   margin-left: auto;
   display: inline-flex;
   align-items: center;
   gap: 0.375rem;
   font-size: 0.875rem;

   &__label {
     color: var(--pf-color-text-hint);
   }
 }

 // Flex-growing wrapper for view content with a DataGrid that fills height.
 .pf-hde-view-content {
   flex: 1;
   min-height: 0;
   display: flex;
   flex-direction: column;
 }

 // Empty state for scroll views (bitmaps, etc.) where fillHeight cannot resolve
 // against a fixed parent. Uses viewport-relative height minus the page shell
 // (tab bar + padding) to vertically center the icon.
 .pf-hde-empty-fill {
   height: calc(100vh - 200px);
 }

 .pf-hde-loading {
   color: var(--pf-color-text-hint);
   padding: 1rem;
   display: flex;
   align-items: center;
   justify-content: center;
   flex: 1;
 }

 .pf-hde-dump-selector {
   flex: none;
   display: flex;
   align-items: center;
   gap: 0.5rem;
   padding: 0.5rem 1rem;
   background: var(--pf-color-background);
   border-bottom: 1px solid var(--pf-color-border);
   font-size: 0.875rem;
 }

 .pf-hde-dump-selector__label {
   color: var(--pf-color-text-hint);
 }

 .pf-hde-error-text {
   color: var(--pf-color-danger);
   padding: 1rem;
 }

 .pf-hde-view-heading {
   font-size: 1.125rem;
   line-height: 1.75rem;
   font-weight: 600;
   margin-bottom: 0.75rem;
   color: var(--pf-color-text);
 }

 .pf-hde-default-changed-callout {
   margin-bottom: 1rem;
   align-items: center;
   gap: 0.75rem;

   p {
     margin: 0;
     display: flex;
     align-items: center;
     flex-wrap: wrap;
     justify-content: space-between;
     gap: 0.5rem;
   }
 }

 .pf-hde-muted-heading {
   font-size: 0.875rem;
   color: var(--pf-color-text-hint);
   margin-bottom: 0.5rem;
 }

 .pf-hde-sub-heading {
   font-size: 0.8125rem;
   line-height: 1.25rem;
   font-weight: 600;
   color: var(--pf-color-text-muted);
   text-transform: uppercase;
   letter-spacing: 0.05em;
   margin-bottom: 0.5rem;
 }

 .pf-hde-card {
   background: var(--pf-color-background);
   border: 1px solid var(--pf-color-border);
   padding: 1rem;
 }

 .pf-hde-card--compact {
   @extend .pf-hde-card;
   padding: 0.75rem;
 }

 .pf-hde-bitmap-image {
   max-width: 100%;
   max-height: 100%;
   object-fit: contain;
   image-rendering: pixelated;
 }

 .pf-hde-bitmap-card {
   border: 1px solid var(--pf-color-border);
   border-radius: 3px;
   overflow: hidden;
   margin-bottom: 1rem;
 }

 .pf-hde-bitmap-card__image {
   margin: 0 auto;
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 0.5rem;
 }

 .pf-hde-bitmap-card__info {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 0.5rem 0.75rem;
   border-top: 1px solid var(--pf-color-border);
   font-size: 0.875rem;
 }

 .pf-hde-bitmap-card__secondary {
   margin-left: 0.75rem;
   color: var(--pf-color-text-hint);
 }

 .pf-hde-bitmap-card__path {
   padding: 0.5rem 0.75rem;
   border-top: 1px solid var(--pf-color-border-secondary);
   font-size: 0.8125rem;
 }

 .pf-hde-info-grid {
   display: grid;
   grid-template-columns: auto 1fr;
   gap: 0.375rem 1rem;
 }

 .pf-hde-info-grid--compact {
   @extend .pf-hde-info-grid;
   gap: 0.25rem 1rem;
 }

 .pf-hde-info-grid__label {
   color: var(--pf-color-text-muted);
 }

 .pf-hde-section {
   background: var(--pf-color-background);
   border: 1px solid var(--pf-color-border);
 }

 .pf-hde-section__header {
   display: flex;
   align-items: stretch;
 }

 .pf-hde-section__toggle {
   flex: 1;
   padding: 0.5rem 1rem;
   display: flex;
   justify-content: space-between;
   align-items: center;
   text-align: left;
   &:hover {
     background: var(--pf-color-background-secondary);
   }
 }

 .pf-hde-section__actions {
   display: flex;
   align-items: center;
   padding: 0 1rem;
   gap: 0.5rem;
   border-left: 1px solid var(--pf-color-border-secondary);
 }

 .pf-hde-section__title {
   font-size: 0.875rem;
   line-height: 1.25rem;
   font-weight: 600;
   color: var(--pf-color-text-muted);
 }

 .pf-hde-section__chevron {
   width: 0.75rem;
   height: 0.75rem;
   color: var(--pf-color-text-hint);
   transition: transform 0.15s;
 }

 .pf-hde-section__chevron--open {
   transform: rotate(90deg);
 }

 .pf-hde-section__body {
   padding: 0.75rem 1rem;
   border-top: 1px solid var(--pf-color-border-secondary);
   overflow-x: auto;

   // Cap DataGrid height so each section grid scrolls internally via virtual
   // scroll, while the page scrolls between sections. Use overflow: auto
   // (overriding the DataGrid default of overflow: hidden) so the empty state
   // icon is not clipped.
   .pf-data-grid {
     max-height: 400px;
     overflow: auto;
   }
 }

 .pf-hde-link {
   color: var(--pf-color-primary);
   text-decoration: underline;
   &:hover {
     color: var(--pf-color-accent);
   }
 }

 .pf-hde-link--alt {
   color: var(--pf-color-primary);
   &:hover {
     text-decoration: underline;
   }
 }

 .pf-hde-badge-reachability {
   color: var(--pf-hde-badge-reachability);
   font-size: 0.8125rem;
   line-height: 1.25rem;
   margin-right: 0.25rem;
 }

 .pf-hde-badge-root {
   color: var(--pf-hde-badge-root);
   font-size: 0.8125rem;
   line-height: 1.25rem;
   margin-right: 0.25rem;
 }

 .pf-hde-badge-string {
   color: var(--pf-hde-badge-string);
   margin-left: 0.25rem;
 }

 .pf-hde-badge-referent {
   color: var(--pf-color-text-hint);
   margin-left: 0.25rem;
 }

 .pf-hde-download-link {
   font-size: 0.875rem;
   line-height: 1.25rem;
   color: var(--pf-color-primary);
   cursor: pointer;
   &:hover {
     text-decoration: underline;
   }
 }

 .pf-hde-path-arrow {
   color: var(--pf-color-text-hint);
 }

 .pf-hde-path-field {
   color: var(--pf-color-text-muted);
 }

 .pf-hde-view-stack > * + * {
   margin-top: 0.75rem;
 }

 .pf-hde-view-stack--tight > * + * {
   margin-top: 0.125rem;
 }

 .pf-hde-mono {
   font-family: var(--pf-font-monospace);
 }
 .pf-hde-semibold {
   font-weight: 600;
 }
 .pf-hde-break-all {
   word-break: break-all;
 }
 .pf-hde-opacity-60 {
   opacity: 0.6;
 }

 .pf-hde-view-heading--tight {
   margin-bottom: 0.25rem;
 }

 .pf-hde-action-row {
   display: flex;
   align-items: center;
   gap: 0.75rem;
 }

 .pf-hde-bitmap-meta {
   display: flex;
   align-items: center;
   gap: 0.75rem;
   color: var(--pf-color-text-muted);
 }

 .pf-hde-path-entry {
   display: flex;
   align-items: center;
   gap: 0.25rem;
   padding-left: calc(min(var(--pf-hde-depth, 0), 20) * 0.75rem);
 }

 .pf-hde-dup-grid-container {
   height: 400px;
 }

 .pf-hde-desc {
   font-size: 0.875rem;
   line-height: 1.25rem;
   color: var(--pf-color-text-muted);
   margin-bottom: 0.5rem;
 }

 .pf-hde-str-color {
   color: var(--pf-hde-badge-string);
 }

 .pf-hde-str-badge {
   color: var(--pf-hde-badge-string);
   margin-left: 0.25rem;
 }

 .pf-hde-muted {
   color: var(--pf-color-text-muted);
 }

 .pf-hde-flex-none {
   flex-shrink: 0;
 }

 // Spacing (minimal set)
 .pf-hde-mt-1 {
   margin-top: 0.25rem;
 }
 .pf-hde-mb-2 {
   margin-bottom: 0.5rem;
 }
 .pf-hde-mb-3 {
   margin-bottom: 0.75rem;
 }
 .pf-hde-mb-4 {
   margin-bottom: 1rem;
 }
 .pf-hde-mt-4 {
   margin-top: 1rem;
 }

 .pf-hde-col-header {
   display: inline-flex;
   align-items: center;
   gap: 0.25rem;
 }

 .pf-hde-col-header__info {
   color: var(--pf-color-fg-muted, #888);
   font-size: 14px;
   cursor: help;
   opacity: 0;
   transition: opacity 0.15s ease;
 }

 .pf-hde-col-header:hover .pf-hde-col-header__info {
   opacity: 1;
 }

 .pf-hde-col-header__info:hover {
   color: var(--pf-color-fg, #333);
 }
	// Copyright (C) 2026 The Android Open Source Project
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	// Styles for the Heapdump Explorer plugin.
	// The CSS reset is provided by Perfetto's global styles.

	.pf-hde-page {
	// Domain-specific badge tokens — no --pf-* equivalent.
	--pf-hde-badge-reachability: #d97706;
	--pf-hde-badge-root: #f43f5e;
	--pf-hde-badge-string: #047857;

	.pf-theme-provider--dark & {
	--pf-hde-badge-reachability: #fbbf24;
	--pf-hde-badge-root: #fb7185;
	--pf-hde-badge-string: #34d399;
	}

	height: 100%;
	background: var(--pf-color-background-secondary);
	display: flex;
	flex-direction: column;
	color: var(--pf-color-text);
	overflow: hidden;
	}

	.pf-hde-main {
	flex: 1;
	min-height: 0;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	padding: 1rem;
	max-width: 95%;
	margin: 0 auto;
	width: 100%;
	font-size: 0.875rem;
	line-height: 1.25rem;

	// The Tabs widget's content area must be a flex column so that DataGrid
	// views (which use flex: 1 on .pf-hde-view-content) fill the available height.
	.pf-tabs__content {
	display: flex;
	flex-direction: column;
	}
	}

	.pf-hde-heading-row {
	display: flex;
	align-items: baseline;
	gap: 0.75rem;
	margin-bottom: 0.75rem;

	// Remove the heading's own bottom margin when inside a heading row.
	.pf-hde-view-heading {
	margin-bottom: 0;
	}
	}

	// Inline label+control (e.g. "Path: <select>") sitting at the right edge
	// of an .pf-hde-heading-row.
	.pf-hde-heading-control {
	margin-left: auto;
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	font-size: 0.875rem;

	&__label {
	color: var(--pf-color-text-hint);
	}
	}

	// Flex-growing wrapper for view content with a DataGrid that fills height.
	.pf-hde-view-content {
	flex: 1;
	min-height: 0;
	display: flex;
	flex-direction: column;
	}

	// Empty state for scroll views (bitmaps, etc.) where fillHeight cannot resolve
	// against a fixed parent. Uses viewport-relative height minus the page shell
	// (tab bar + padding) to vertically center the icon.
	.pf-hde-empty-fill {
	height: calc(100vh - 200px);
	}

	.pf-hde-loading {
	color: var(--pf-color-text-hint);
	padding: 1rem;
	display: flex;
	align-items: center;
	justify-content: center;
	flex: 1;
	}

	.pf-hde-dump-selector {
	flex: none;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 1rem;
	background: var(--pf-color-background);
	border-bottom: 1px solid var(--pf-color-border);
	font-size: 0.875rem;
	}

	.pf-hde-dump-selector__label {
	color: var(--pf-color-text-hint);
	}

	.pf-hde-error-text {
	color: var(--pf-color-danger);
	padding: 1rem;
	}

	.pf-hde-view-heading {
	font-size: 1.125rem;
	line-height: 1.75rem;
	font-weight: 600;
	margin-bottom: 0.75rem;
	color: var(--pf-color-text);
	}

	.pf-hde-default-changed-callout {
	margin-bottom: 1rem;
	align-items: center;
	gap: 0.75rem;

	p {
	margin: 0;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 0.5rem;
	}
	}

	.pf-hde-muted-heading {
	font-size: 0.875rem;
	color: var(--pf-color-text-hint);
	margin-bottom: 0.5rem;
	}

	.pf-hde-sub-heading {
	font-size: 0.8125rem;
	line-height: 1.25rem;
	font-weight: 600;
	color: var(--pf-color-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 0.5rem;
	}

	.pf-hde-card {
	background: var(--pf-color-background);
	border: 1px solid var(--pf-color-border);
	padding: 1rem;
	}

	.pf-hde-card--compact {
	@extend .pf-hde-card;
	padding: 0.75rem;
	}

	.pf-hde-bitmap-image {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	image-rendering: pixelated;
	}

	.pf-hde-bitmap-card {
	border: 1px solid var(--pf-color-border);
	border-radius: 3px;
	overflow: hidden;
	margin-bottom: 1rem;
	}

	.pf-hde-bitmap-card__image {
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0.5rem;
	}

	.pf-hde-bitmap-card__info {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.5rem 0.75rem;
	border-top: 1px solid var(--pf-color-border);
	font-size: 0.875rem;
	}

	.pf-hde-bitmap-card__secondary {
	margin-left: 0.75rem;
	color: var(--pf-color-text-hint);
	}

	.pf-hde-bitmap-card__path {
	padding: 0.5rem 0.75rem;
	border-top: 1px solid var(--pf-color-border-secondary);
	font-size: 0.8125rem;
	}

	.pf-hde-info-grid {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.375rem 1rem;
	}

	.pf-hde-info-grid--compact {
	@extend .pf-hde-info-grid;
	gap: 0.25rem 1rem;
	}

	.pf-hde-info-grid__label {
	color: var(--pf-color-text-muted);
	}

	.pf-hde-section {
	background: var(--pf-color-background);
	border: 1px solid var(--pf-color-border);
	}

	.pf-hde-section__header {
	display: flex;
	align-items: stretch;
	}

	.pf-hde-section__toggle {
	flex: 1;
	padding: 0.5rem 1rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	text-align: left;
	&:hover {
	background: var(--pf-color-background-secondary);
	}
	}

	.pf-hde-section__actions {
	display: flex;
	align-items: center;
	padding: 0 1rem;
	gap: 0.5rem;
	border-left: 1px solid var(--pf-color-border-secondary);
	}

	.pf-hde-section__title {
	font-size: 0.875rem;
	line-height: 1.25rem;
	font-weight: 600;
	color: var(--pf-color-text-muted);
	}

	.pf-hde-section__chevron {
	width: 0.75rem;
	height: 0.75rem;
	color: var(--pf-color-text-hint);
	transition: transform 0.15s;
	}

	.pf-hde-section__chevron--open {
	transform: rotate(90deg);
	}

	.pf-hde-section__body {
	padding: 0.75rem 1rem;
	border-top: 1px solid var(--pf-color-border-secondary);
	overflow-x: auto;

	// Cap DataGrid height so each section grid scrolls internally via virtual
	// scroll, while the page scrolls between sections. Use overflow: auto
	// (overriding the DataGrid default of overflow: hidden) so the empty state
	// icon is not clipped.
	.pf-data-grid {
	max-height: 400px;
	overflow: auto;
	}
	}

	.pf-hde-link {
	color: var(--pf-color-primary);
	text-decoration: underline;
	&:hover {
	color: var(--pf-color-accent);
	}
	}

	.pf-hde-link--alt {
	color: var(--pf-color-primary);
	&:hover {
	text-decoration: underline;
	}
	}

	.pf-hde-badge-reachability {
	color: var(--pf-hde-badge-reachability);
	font-size: 0.8125rem;
	line-height: 1.25rem;
	margin-right: 0.25rem;
	}

	.pf-hde-badge-root {
	color: var(--pf-hde-badge-root);
	font-size: 0.8125rem;
	line-height: 1.25rem;
	margin-right: 0.25rem;
	}

	.pf-hde-badge-string {
	color: var(--pf-hde-badge-string);
	margin-left: 0.25rem;
	}

	.pf-hde-badge-referent {
	color: var(--pf-color-text-hint);
	margin-left: 0.25rem;
	}

	.pf-hde-download-link {
	font-size: 0.875rem;
	line-height: 1.25rem;
	color: var(--pf-color-primary);
	cursor: pointer;
	&:hover {
	text-decoration: underline;
	}
	}

	.pf-hde-path-arrow {
	color: var(--pf-color-text-hint);
	}

	.pf-hde-path-field {
	color: var(--pf-color-text-muted);
	}

	.pf-hde-view-stack > * + * {
	margin-top: 0.75rem;
	}

	.pf-hde-view-stack--tight > * + * {
	margin-top: 0.125rem;
	}

	.pf-hde-mono {
	font-family: var(--pf-font-monospace);
	}
	.pf-hde-semibold {
	font-weight: 600;
	}
	.pf-hde-break-all {
	word-break: break-all;
	}
	.pf-hde-opacity-60 {
	opacity: 0.6;
	}

	.pf-hde-view-heading--tight {
	margin-bottom: 0.25rem;
	}

	.pf-hde-action-row {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	}

	.pf-hde-bitmap-meta {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--pf-color-text-muted);
	}

	.pf-hde-path-entry {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	padding-left: calc(min(var(--pf-hde-depth, 0), 20) * 0.75rem);
	}

	.pf-hde-dup-grid-container {
	height: 400px;
	}

	.pf-hde-desc {
	font-size: 0.875rem;
	line-height: 1.25rem;
	color: var(--pf-color-text-muted);
	margin-bottom: 0.5rem;
	}

	.pf-hde-str-color {
	color: var(--pf-hde-badge-string);
	}

	.pf-hde-str-badge {
	color: var(--pf-hde-badge-string);
	margin-left: 0.25rem;
	}

	.pf-hde-muted {
	color: var(--pf-color-text-muted);
	}

	.pf-hde-flex-none {
	flex-shrink: 0;
	}

	// Spacing (minimal set)
	.pf-hde-mt-1 {
	margin-top: 0.25rem;
	}
	.pf-hde-mb-2 {
	margin-bottom: 0.5rem;
	}
	.pf-hde-mb-3 {
	margin-bottom: 0.75rem;
	}
	.pf-hde-mb-4 {
	margin-bottom: 1rem;
	}
	.pf-hde-mt-4 {
	margin-top: 1rem;
	}

	.pf-hde-col-header {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	}

	.pf-hde-col-header__info {
	color: var(--pf-color-fg-muted, #888);
	font-size: 14px;
	cursor: help;
	opacity: 0;
	transition: opacity 0.15s ease;
	}

	.pf-hde-col-header:hover .pf-hde-col-header__info {
	opacity: 1;
	}

	.pf-hde-col-header__info:hover {
	color: var(--pf-color-fg, #333);
	}