/* ===== EMBED BUILDER PAGE ===== */
/* state.view === 'embed-builder', opened via the Share dropdown's "Embed options" button
   (share.js -> embedBuilder.js). Layout: header, a two-column body (asset list + style panel),
   then a full-width live preview strip at the bottom. Reuses dashboard.js's .dash-carousel*
   markup/CSS for the preview itself (see dashboard.css) rather than duplicating carousel styling
   here — only the embed-specific wrapper/card/branding styles live in this file. */

.embed-builder-page-wrap {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.embed-builder-page {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.embed-builder-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.embed-builder-back {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.embed-builder-back:hover {
  background: var(--hover-bg);
  border-color: var(--primary);
}

.embed-builder-title h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.embed-builder-title p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.embed-builder-title p strong { color: var(--text-primary); font-weight: 600; }

/* align-items: stretch (the grid default, stated explicitly here) rather than start — the Assets
   panel (a scrollable list up to 420px) and the Embed code/Style slider panel (fixed-height
   controls) would otherwise size independently and rarely match; stretching both grid items to
   the row's tallest keeps the two-column layout visually balanced regardless of which side has
   more content. */
.embed-builder-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.embed-builder-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  /* CSS Grid items default to min-width: auto, NOT 0 — without this, an unbreakable long string
     inside (the embed code URL, one token with no spaces to wrap on) forces its own min-content
     width, which blows this panel (and the "1fr 1fr" track it sits in) wider than the grid
     intends, pushing every other row's right-aligned control off past the visible edge. */
  min-width: 0;
}

.embed-builder-panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* Same slot as .embed-builder-panel-title, used instead of it whenever the Assets panel also
   needs a "‹ Back"/"‹ Change source" link on the same row (source-picking sub-screens, and the
   finalized asset list itself). */
.embed-builder-panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.embed-builder-change-source {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.embed-builder-change-source:hover { text-decoration: underline; }

.embed-builder-empty {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  padding: 24px 12px;
}

/* ===== asset list ===== */

.embed-asset-list {
  display: flex;
  flex-direction: column;
  max-height: 420px;
  overflow-y: auto;
}

.embed-asset-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  border-top: 2px solid transparent;
  border-bottom-width: 1px;
  cursor: grab;
  transition: background 0.15s;
}
.embed-asset-row:last-child { border-bottom: none; }
.embed-asset-row:hover { background: var(--hover-bg); }

.embed-asset-row--unchecked {
  opacity: 0.45;
}

.embed-asset-row--dragging {
  opacity: 0.4;
}

/* Drop-position indicators — same visual idea as kanban.js's .kcard--drop-before/after, a thin
   colored rule showing exactly where the dragged row would land. */
.embed-asset-row--drop-before {
  border-top-color: var(--primary);
}
.embed-asset-row--drop-after {
  box-shadow: inset 0 -2px 0 var(--primary);
}

.embed-asset-drag-handle {
  flex-shrink: 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  cursor: grab;
}

.embed-asset-checkbox {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

.embed-asset-thumb {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--hover-bg);
}
.embed-asset-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.embed-asset-name {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.embed-asset-reorder-btns {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.embed-asset-move-up, .embed-asset-move-down {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}
.embed-asset-move-up:hover, .embed-asset-move-down:hover {
  color: var(--primary);
  background: var(--hover-bg);
}

/* ===== custom slider picker ===== */

.embed-custom-search {
  width: 100%;
  padding: 8px 12px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--search-bg);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}
.embed-custom-search:focus { border-color: var(--primary); }

.embed-custom-pick-list {
  display: flex;
  flex-direction: column;
  max-height: 340px;
  overflow-y: auto;
  margin-bottom: 12px;
}

.embed-custom-pick-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 6px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}
.embed-custom-pick-row:last-child { border-bottom: none; }
.embed-custom-pick-row:hover { background: var(--hover-bg); }

.embed-custom-pick-checkbox {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

.embed-custom-pick-cat {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.embed-custom-use-btn {
  width: 100%;
  padding: 10px;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.embed-custom-use-btn:hover,
.embed-custom-use-btn:active {
  background: #fff;
  color: var(--primary);
}
.embed-custom-use-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== embed code (top of the style panel) ===== */

.embed-code-section {
  margin-bottom: 16px;
}

.embed-code-box {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 6px 6px 16px;
  background: var(--search-bg);
}

.embed-code-url {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12.5px;
  color: var(--text-primary);
}

.embed-code-copy-btn {
  flex-shrink: 0;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.embed-code-copy-btn:hover {
  background: var(--hover-bg);
  border-color: var(--primary);
}
.embed-code-copy-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== style panel ===== */

.embed-style-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.embed-style-row:last-child { border-bottom: none; }

.embed-style-row label:first-child {
  font-size: 13px;
  color: var(--text-primary);
}

.embed-style-select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--search-bg);
  color: var(--text-primary);
  font-size: 13px;
}

.embed-style-row input[type="range"] {
  accent-color: var(--primary);
  flex: 1;
}

/* Half the width the shared rule above would otherwise give it (it's the only flex-growing
   sibling in its row, so a bare flex-grow ratio wouldn't actually shrink it — needs an explicit
   cap). Was measuring ~412px; 200px is roughly half. */
#embed-style-margin {
  max-width: 200px;
}

#embed-style-speed-label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 24px;
  text-align: right;
}

/* ===== live preview ===== */

.embed-builder-preview-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.embed-builder-preview {
  border-radius: 10px;
  padding: 12px;
  background: var(--bg);
  transition: background 0.15s;
  /* --embed-font-family is set by _renderPreview() (embedBuilder.js) from the "Font" select —
     cascades down to .embed-preview-label/.embed-preview-branding below, no per-element rule
     needed. "inherit" (the default option) intentionally falls through to the page's own font. */
  font-family: var(--embed-font-family, inherit);
}

/* Preview-only dark override — independent of the extension's own [data-theme="dark"], driven
   entirely by the Style panel's "Dark preview" toggle so the user can preview either theme
   regardless of which one the extension itself is currently in. */
.embed-builder-preview[data-embed-theme="dark"] {
  background: #1A1B1E;
}
.embed-builder-preview[data-embed-theme="dark"] .embed-preview-label {
  color: #E8EAED;
}
.embed-builder-preview[data-embed-theme="dark"] .embed-preview-branding {
  color: #9AA0A6;
}

/* --embed-slide-gap is set on #embed-builder-preview (an ancestor) by _renderPreview() in
   embedBuilder.js from the "Slide spacing" range control — read here AND in .embed-preview-card's
   width formula below, so the "N visible slides" math stays accurate at whatever spacing is
   chosen, not just the 12px default. */
.embed-preview-carousel .dash-carousel-strip {
  gap: var(--embed-slide-gap, 12px);
}

/* Sized as a fraction of the strip's own (fixed) viewport width, not its scrollWidth — flex
   percentage widths resolve against the container's determined box regardless of overflow, so
   this reliably fits exactly --embed-visible-slides cards in view at once, no JS measurement
   needed. --embed-visible-slides is set alongside --embed-slide-gap by the same _renderPreview()
   call. */
.embed-preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  width: calc((100% - (var(--embed-visible-slides, 3) - 1) * var(--embed-slide-gap, 12px)) / var(--embed-visible-slides, 3));
}

/* Aspect-ratio variants — applied to the preview wrapper, read by .embed-preview-art below via
   the shared --embed-aspect-ratio custom property set per-variant. */
.embed-builder-preview[data-embed-aspect="square"] .embed-preview-art { aspect-ratio: 1 / 1; }
.embed-builder-preview[data-embed-aspect="wide"] .embed-preview-art { aspect-ratio: 16 / 9; }
.embed-builder-preview[data-embed-aspect="tall"] .embed-preview-art { aspect-ratio: 2 / 3; }

.embed-preview-art {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: var(--hover-bg);
}
.embed-preview-art img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Placeholder slides shown before any real assets are selected (see the isDemo branch in
   _renderPreview(), embedBuilder.js) — a visibly flatter gray than a real thumbnail's
   var(--hover-bg), so it reads as "nothing here yet" rather than a broken image. */
.embed-preview-art--demo {
  background: var(--border);
}

.embed-preview-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.embed-preview-label--demo {
  color: var(--text-muted);
  font-style: italic;
}

.embed-preview-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}
.embed-preview-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
}

.embed-preview-branding {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
}

@media (max-width: 900px) {
  .embed-builder-body {
    grid-template-columns: 1fr;
  }
}