ui/src/plugins/dev.perfetto.DataExplorer/dashboard/dashboard.scss

// 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.

@import "../../../assets/theme";

.pf-dashboard {
  height: 100%;
  display: flex;
  overflow: hidden;
}

// Column wrapper for the filter bar + canvas (sits inside the row layout).
.pf-dashboard__main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pf-dashboard__canvas {
  flex: 1;
  min-width: 0;
  overflow: auto;
  position: relative;

  // Reuse the same dot pattern as the node graph canvas.
  background-color: color-mix(
    in srgb,
    var(--pf-color-background) 90%,
    var(--pf-color-border-secondary) 10%
  );
  background-image: radial-gradient(
    circle,
    color-mix(in srgb, var(--pf-color-border-secondary) 85%, black 15%) 1px,
    transparent 0px
  );
  // --pf-grid-cell-size is set by the component based on canvas width / 25
  // (24 columns + 2 × 0.5-cell margin).
  background-size: var(--pf-grid-cell-size, 100px)
    var(--pf-grid-cell-size, 100px);
  // The radial-gradient dot is centred within each tile, so shift back by
  // half a cell so that dots land on grid-line intersections (where item
  // corners snap to).
  background-position: calc(
      var(--pf-grid-margin-px, 0px) - (var(--pf-grid-cell-size, 100px) / 2)
    )
    calc(var(--pf-grid-margin-px, 0px) - (var(--pf-grid-cell-size, 100px) / 2));

  &--no-dots {
    background-image: none;
  }
}

// Invisible spacer that extends the canvas scroll area below the last item.
.pf-dashboard__canvas-spacer {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  pointer-events: none;
}

// Centered overlay for the empty state.
.pf-dashboard__empty-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  text-align: center;
  padding: 24px;
}

// Scrollable body of the add panel.
.pf-dashboard__add-panel-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

// Full-width item row used in the add panel (non-chart items).
.pf-dashboard__add-panel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;

  &:hover {
    background: var(--pf-color-background-hover);
  }

  .pf-icon {
    font-size: 22px;
    color: var(--pf-color-text-muted);
  }
}

// Empty-state message when no data source is available for charts.
.pf-dashboard__add-panel-empty {
  padding: 12px;
  font-size: 12px;
  color: var(--pf-color-text-muted);
}

// Horizontal filter bar below the tab strip.
.pf-dashboard__filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 12px;
  border-bottom: 1px solid var(--pf-color-border);
  background: var(--pf-color-background);
}

// Per-source group of chips inside the filter bar.
.pf-dashboard__filter-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--pf-color-background-secondary);
  border: 1px solid var(--pf-color-border-secondary);
  border-radius: 6px;
}

// Actions (clear all + collapse) pushed to the right.
.pf-dashboard__filter-bar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

// Popup showing individual filter values for a column.
.pf-dashboard__filter-popup {
  display: flex;
  flex-direction: column;
  min-width: 120px;
  max-height: 300px;
  overflow-y: auto;
  padding: 4px 0;
}

// Individual chart card on the dashboard canvas.
// Width, height, left, and top are set inline from grid coordinates.
.pf-dashboard__chart {
  position: absolute;
  background: var(--pf-color-background);
  display: flex;
  flex-direction: column;
  user-select: none;
  cursor: grab;

  &:active {
    cursor: grabbing;
  }

  // Smooth settling when snapped to grid.
  transition:
    left 0.1s ease-out,
    top 0.1s ease-out,
    width 0.1s ease-out,
    height 0.1s ease-out;

  &--dragging {
    opacity: 0.6;
    z-index: 100;
    cursor: grabbing;
    transition: none;
  }

  // Position resize handles at the edges of the card.
  > .pf-resize-handle--horizontal {
    position: absolute;
    right: -1px;
    top: 0;
    bottom: 0;
  }

  > .pf-resize-handle--vertical {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
  }
}

.pf-dashboard__chart-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  flex-shrink: 0;
  cursor: grab;

  &:active {
    cursor: grabbing;
  }
}

.pf-dashboard__source-chip {
  flex-shrink: 0;
  font-size: 11px;
  max-width: 120px;
}

.pf-dashboard__chart-header-text {
  flex: 0 1 auto;
  min-width: 0;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;

  &:hover {
    text-decoration: underline;
    text-decoration-style: dotted;
  }
}

.pf-dashboard__chart-title-input {
  flex: 0 1 auto;
  width: 0;
  min-width: 40px;
  max-width: 200px;
  font-size: 12px;
  font-weight: 500;
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0;
  border-bottom: 1px solid var(--pf-color-accent);
}

.pf-dashboard__chart-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  margin-left: auto;
}

.pf-dashboard__chart-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  // Padding around the chart creates grabbable margins for dragging.
  padding: 4px 6px 10px;

  canvas {
    cursor: default;
  }
}

// Label delete button — appears on hover in the top-right corner.
.pf-dashboard__label-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 1;

  .pf-dashboard__chart:hover & {
    opacity: 1;
  }
}

// Label textarea inside a label card.
.pf-dashboard__label-textarea {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 12px;
  font: inherit;
  font-size: var(--pf-font-size-s);
  background: transparent;
  color: inherit;
}

// --- Segment divider ---
// A full-width horizontal rule that separates driver and consumer charts.
// Top is set inline from grid coordinates; the divider occupies zero grid rows
// and sits exactly on a grid line.
.pf-dashboard__divider {
  position: absolute;
  left: 0;
  right: 0;
  height: 32px;
  display: flex;
  align-items: center;
  cursor: grab;
  z-index: 5;
  user-select: none;
  transition: top 0.1s ease-out;

  &:active {
    cursor: grabbing;
  }

  &--dragging {
    opacity: 0.6;
    z-index: 100;
    transition: none;
  }

  &:hover {
    .pf-dashboard__divider-actions {
      opacity: 1;
    }
  }
}

.pf-dashboard__divider-line {
  position: absolute;
  left: 20px;
  right: 20px;
  top: 50%;
  height: 0;
  border-top: 2px dashed var(--pf-color-border);
  opacity: 0.5;
}

.pf-dashboard__divider-label {
  position: relative;
  margin-left: 40px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--pf-color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--pf-color-background);
  border: 1px solid var(--pf-color-border-secondary);
  border-radius: 10px;
}

.pf-dashboard__divider-actions {
  position: relative;
  margin-left: 8px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

// Content panel — slides in next to the side-panel for add / data / linked.
.pf-dashboard__content-panel {
  width: 300px;
  min-width: 0;
  height: 100%;
  border-left: 1px solid var(--pf-color-border);
  background: var(--pf-color-background);
  display: flex;
  flex-direction: column;
}

.pf-dashboard__input-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.pf-dashboard__panel-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--pf-color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px 12px 8px;
}

.pf-dashboard__panel-section-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--pf-color-text-muted);
  letter-spacing: 0.3px;
  padding: 8px 12px 4px;
}

.pf-dashboard__input-name {
  font-family: var(--pf-font-monospace);
  font-size: 12px;
}

.pf-dashboard__source-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

// Detail rows (input name, column count).
.pf-dashboard__detail-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.pf-dashboard__detail-label {
  font-size: 11px;
  color: var(--pf-color-text-muted);
  text-transform: uppercase;
  min-width: 50px;
}

.pf-dashboard__detail-value {
  font-size: 12px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

// Column list — matching query page's column list style.
.pf-dashboard__columns {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pf-dashboard__column-list {
  display: flex;
  flex-direction: column;
  margin-top: 4px;
  border: 1px solid var(--pf-color-border-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.pf-dashboard__column {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--pf-color-border-secondary);

  &:last-child {
    border-bottom: none;
  }

  &:hover {
    background: var(--pf-color-background-hover);
  }
}

.pf-dashboard__column-icon {
  font-size: 14px;
  color: var(--pf-color-text-muted);
  width: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pf-dashboard__column-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pf-dashboard__column-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pf-dashboard__column-name {
  font-size: 12px;
}

.pf-dashboard__column-type {
  font-size: 11px;
  color: var(--pf-color-text-muted);
  margin-left: auto;
}

// "Add Chart" button inside the data panel source accordion.
.pf-dashboard__add-chart-btn {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
  border: 1px dashed var(--pf-color-border);
  border-radius: 4px;
  color: var(--pf-color-text-muted);
  font-size: 12px;

  &:hover {
    border-color: var(--pf-color-accent);
    color: var(--pf-color-accent);
    background: color-mix(in srgb, var(--pf-color-accent) 5%, transparent);
  }
}

// Linked columns panel entries.
.pf-dashboard__linked-column {
  padding: 8px 12px;
  border-bottom: 1px solid var(--pf-color-border-secondary);

  &:last-child {
    border-bottom: none;
  }
}

.pf-dashboard__linked-column-name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 4px;

  .pf-icon {
    font-size: 14px;
    color: var(--pf-color-text-muted);
  }

  code {
    font-family: var(--pf-font-monospace);
  }
}

.pf-dashboard__linked-column-sources {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 20px;
}

.pf-dashboard__linked-column-source {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--pf-color-text-muted);
}

.pf-dashboard__linked-source-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

// Editable title in the edit panel.
.pf-dashboard__edit-panel-title {
  font-size: 13px;
  font-weight: 600;
  padding: 16px 12px 8px;
  cursor: pointer;

  &:hover {
    text-decoration: underline;
    text-decoration-style: dotted;
  }
}

// Inline rename input for the edit panel title.
.pf-dashboard__edit-panel-title-input {
  display: block;
  width: calc(100% - 24px);
  margin: 16px 12px 8px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0;
  border-bottom: 1px solid var(--pf-color-accent);
}

// Generic padded row inside the edit panel.
.pf-dashboard__edit-panel-row {
  padding: 0 12px;
}

// Side panel matching the builder's .pf-qb-side-panel style.
.pf-dashboard__side-panel {
  width: 60px;
  height: 100%;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-left: 1px solid var(--pf-color-border);
  align-items: stretch;

  .pf-button {
    width: 100%;
    height: 60px;
    font-size: var(--pf-font-size-xxl);
    box-shadow: none;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--pf-color-border);

    &.pf-active {
      background-color: var(--pf-color-primary);
      color: var(--pf-color-text-on-primary);
    }
  }
}

// Row inside the settings panel.
.pf-dashboard__settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
}

.pf-dashboard__settings-label {
  font-size: 12px;
  white-space: nowrap;
}