// Visual language aligned with SilverBullet's configuration-manager plug
// — color tokens, section header style, button style, and border radii
// match `silverbullet/plugs/configuration-manager/ui/configuration.scss`.
// Dark mode is driven by both `prefers-color-scheme` (for iframes that
// don't see the parent's data-theme) AND `html[data-theme="dark"]` (for
// when SilverBullet propagates its explicit theme into the iframe).

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  font-size: 14px;

  // Chrome colors (background, text, borders, sections, hover, accent) come
  // from the shared panel-surface palette in components.css. Only the
  // graph-specific node/edge palette below is defined locally.

  // Graph palette — node-color tokens are object-graph specific.
  --gv-node: #111;
  --gv-node-current: #1e63d8;
  --gv-node-dim: #9e4705;       // missing-link rust
  --gv-label: #333;
  --gv-label-dim: #777;
  --gv-link: #c8c8c8;
  --gv-link-dim: #e6e6e6;
  --gv-link-hot: #464cfc;
  --gv-accent: #650007;         // SB meta-color — current-page ring
  --gv-label-halo: rgba(255, 255, 255, 0.78);

  --gv-tag-bg: #4070d0;
  --gv-tag-fg: #ffffff;
  --gv-tag-border: #2a5099;

  --gv-untagged: #9e9e9e;
}

// Dark tokens — same values configuration-manager uses, applied for either
// the explicit theme attribute or the user's system preference.
@mixin gv-dark-tokens {
  color-scheme: dark;

  --gv-node: #fff;
  --gv-node-current: #6e9bff;
  --gv-node-dim: #c97c4a;
  --gv-label: #d8d8d8;
  --gv-label-dim: #888;
  --gv-link: #555;
  --gv-link-dim: #333;
  --gv-link-hot: #6e74ff;
  --gv-accent: #d6222e;
  --gv-label-halo: rgba(30, 30, 30, 0.78);

  --gv-tag-bg: #5b85e8;
  --gv-tag-fg: #ffffff;
  --gv-tag-border: #3868c8;

  --gv-untagged: #6e6e6e;
}

html[data-theme="dark"] { @include gv-dark-tokens; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) { @include gv-dark-tokens; }
}

html, body { height: 100%; background: var(--ui-surface-background-color); color: var(--ui-surface-color); }

#graph-root {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--ui-surface-background-color);
  color: var(--ui-surface-color);
  // No border/radius: the host modal panel already frames the iframe.
  overflow: hidden;
  outline: none;
}

.graph-root-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  outline: none;
}

.graph-app {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.graph-canvas {
  position: absolute;
  inset: 0;
}

// Floating controls overlay (bottom-right of the canvas stage).
// Pan pad on the left, zoom in/out stacked on the right.
.graph-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 8px;
  z-index: 2;
  pointer-events: none; // children opt in

  button {
    pointer-events: auto;
    background: var(--ui-surface-background-color);
    color: var(--ui-surface-color);
    border: 1px solid var(--ui-surface-border-color);
    border-radius: 6px;
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    line-height: 1;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);

    &:hover { background: var(--ui-surface-hover-background-color); }
    &:active { background: var(--ui-surface-section-background-color); }
  }
}

.graph-zoom {
  display: flex;
  flex-direction: column;
  gap: 4px;

  button {
    flex: 1 1 0;
    height: auto;  // let flex stretch determine the height
  }
}

// 3x3 directional pad — middle row has ←, center, →; top/bottom rows
// have just the up/down arrow in the middle column.
.graph-pan {
  display: grid;
  grid-template-columns: repeat(3, 28px);
  grid-template-rows: repeat(3, 28px);
  gap: 4px;

  .graph-pan-up    { grid-column: 2; grid-row: 1; }
  .graph-pan-left  { grid-column: 1; grid-row: 2; }
  .graph-pan-center{ grid-column: 2; grid-row: 2; }
  .graph-pan-right { grid-column: 3; grid-row: 2; }
  .graph-pan-down  { grid-column: 2; grid-row: 3; }
}

.gv-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--ui-surface-background-color);
  color: var(--ui-surface-color);
}
.gv-body {
  display: grid;
  grid-template-columns: var(--gv-sidebar-width, 230px) 5px minmax(0, 1fr);
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}
.gv-resizer {
  cursor: col-resize;
  background: transparent;
  border-left: 1px solid var(--ui-surface-border-color);
  user-select: none;
  transition: background 120ms ease;
}
.gv-resizer:hover,
.gv-resizer.dragging {
  background: var(--ui-accent-color, rgba(70, 76, 252, 0.25));
}
.gv-canvas-wrap {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}
.gv-canvas-wrap .graph-canvas {
  position: absolute;
  inset: 0;
}

/* Object section inside the sidebar (selected node attributes). */
.gv-object-section {
  margin-top: auto;
  padding: 6px 14px 10px;
  border-top: 1px solid var(--ui-surface-border-color);
  background: var(--ui-surface-background-color);
}
.gv-object-section .gv-object-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 4px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--ui-surface-border-color);
  font-size: 13px;
  font-weight: 600;
  color: var(--ui-surface-color);
}
.gv-object-section .gv-object-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gv-object-section .gv-object-title-link {
  cursor: pointer;
  color: var(--ui-accent-color);
  text-decoration: none;
}
.gv-object-section .gv-object-title-link:hover { text-decoration: underline; }
.gv-object-section .gv-object-body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ui-surface-color);
}

/* Header — sized roughly like configuration-manager's #cfg-header. */
.gv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ui-surface-border-color);
  flex-shrink: 0;
}
.gv-header-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gv-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

// Toolbar buttons + checkboxes now use the shared `.sb-button` / `.sb-checkbox`
// components; only the toggle-label layout and close-button positioning remain
// graph-specific.
.gv-header-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ui-surface-color);
  user-select: none;
  cursor: pointer;
}

// Close button uses the `.sb-button-icon` component; keep only positioning and
// the larger glyph size for the `×`.
.gv-close-button {
  margin-left: auto;
  font-size: 18px;
  line-height: 1;
}

/* Ghost-node hover tooltip */
.gv-ghost-tooltip {
  position: absolute;
  z-index: 20;
  max-width: 280px;
  background: var(--ui-surface-background-color);
  border: 1px solid var(--ui-surface-border-color);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  padding: 5px 8px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 12px;
  color: var(--ui-surface-color);
  pointer-events: none;
  line-height: 1.35;
}

/* Edge hover tooltip */
.gv-edge-tooltip {
  position: absolute;
  z-index: 20;
  max-width: 360px;
  background: var(--ui-surface-background-color);
  border: 1px solid var(--ui-surface-border-color);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  padding: 6px 8px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 12px;
  color: var(--ui-surface-color);
  pointer-events: none;
  line-height: 1.4;
}
.gv-edge-tooltip-label {
  font-weight: 600;
  margin-bottom: 4px;
}
.gv-edge-tooltip-snippet {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--ui-surface-color);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 8em;
  overflow: hidden;
}
.gv-edge-tooltip-empty {
  color: var(--ui-surface-subtle-color);
  font-style: italic;
}

/* Sidebar */
.gv-sidebar {
  border-right: 1px solid var(--ui-surface-border-color);
  overflow: auto;
  font-size: 13px;
}
// Filter sections — title underline matches configuration-manager's
// .lib-section-header / .cfg-category-title pattern.
.gv-section { padding: 12px 14px 6px; }
.gv-section + .gv-section { padding-top: 14px; }
.gv-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--ui-surface-border-color);
  font-size: 13px;
  font-weight: 600;
  color: var(--ui-surface-subtle-color);
  cursor: pointer;
  user-select: none;
}
.gv-section-title { display: inline-flex; align-items: center; }
.gv-twisty {
  display: inline-block;
  transition: transform 0.12s;
  margin-right: 6px;
  font-size: 10px;
  color: var(--ui-surface-subtle-color);
}
.gv-twisty.open { transform: rotate(90deg); }
.gv-section-actions {
  font-size: 11px;
  letter-spacing: 0.5px;
}
.gv-section-actions a {
  cursor: pointer;
  color: var(--ui-surface-subtle-color);
  text-decoration: none;
}
.gv-section-actions a:hover { color: var(--ui-surface-color); text-decoration: underline; }
.gv-section-body { padding: 0; }
.gv-forces-body { display: flex; flex-direction: column; gap: 8px; padding: 4px 0; }
.gv-force-row { display: flex; flex-direction: column; gap: 2px; font-size: 12px; }
.gv-force-row input[type="range"] { width: 100%; }
.gv-force-label { display: flex; justify-content: space-between; color: var(--ui-surface-subtle-color); }
.gv-force-value { font-variant-numeric: tabular-nums; }
// Search field uses the shared `.sb-input`; keep only layout here.
.gv-section-search {
  width: 100%;
  margin: 4px 0 8px;
}
.gv-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  font-size: 13px;
}
.gv-count { margin-left: auto; color: var(--ui-surface-subtle-color); font-size: 12px; }
.gv-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.gv-tag-row { display: inline-flex; align-items: center; gap: 6px; }
.gv-more {
  display: block;
  margin-top: 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--ui-accent-color);
}
.gv-more:hover { text-decoration: underline; }

/* Object view */
.gv-object-view {
  border-left: 1px solid var(--ui-surface-border-color);
  background: var(--ui-surface-background-color);
  overflow: auto;
  display: flex;
  flex-direction: column;
}
.gv-object-view-empty {
  align-items: center;
  justify-content: center;
  color: var(--ui-surface-subtle-color);
  font-size: 12px;
  padding: 18px;
}
.gv-object-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ui-surface-border-color);
}
.gv-object-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}
.gv-object-body {
  margin: 0;
  padding: 10px 12px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  color: var(--ui-surface-color);
}

/* Empty graph overlay */
.gv-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ui-surface-subtle-color);
  font-size: 13px;
}