/* =============================================
   SHARED BUILD DETAIL
   Editorial flow: rhythm and dividers, not stacked cards.
   No gradients; accent used sparingly on interaction and key labels.
   ============================================= */

.shared-build-page {
  padding-bottom: var(--space-section);
}

/* Full laptop width: same idea as catalogue — only page gutters, no narrow column on the right */
.container--shared-build {
  max-width: var(--container-catalogue-max);
  width: 100%;
}

/* ----- Breadcrumb ----- */

.shared-build-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-4);
  margin-bottom: var(--space-5);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.shared-build-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.shared-build-breadcrumb a:hover {
  color: var(--accent-text);
}

.shared-build-breadcrumb-sep {
  opacity: 0.45;
  user-select: none;
}

.shared-build-breadcrumb-current {
  color: var(--text-tertiary);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ----- Shell ----- */

.shared-build-shell {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: stretch;
}

.shared-build-intro {
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}

.shared-build-eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  font-style: italic;
  font-weight: var(--weight-normal);
  color: var(--text-tertiary);
  letter-spacing: 0;
  text-transform: none;
}

.shared-build-title {
  margin: 0 0 var(--space-5);
  font-size: clamp(1.55rem, 1.15rem + 1.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: var(--weight-bold);
}

.shared-build-meta-chips {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--space-8);
  row-gap: var(--space-3);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.shared-build-meta-label {
  display: inline;
  font-size: var(--text-sm);
  font-weight: var(--weight-normal);
  font-style: italic;
  color: var(--text-tertiary);
  margin-right: 0.35rem;
}

.shared-build-summary {
  margin: 0 0 var(--space-6);
  max-width: none;
  font-size: var(--text-lg);
  color: var(--text-primary);
  line-height: 1.65;
}

.shared-build-at-a-glance {
  margin: 0 0 var(--space-6);
  max-width: none;
}

.shared-build-at-a-glance-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.shared-build-lead {
  margin: 0 0 var(--space-5);
  max-width: none;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.75;
}

.shared-build-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin: 0 0 var(--space-6);
}

.shared-build-intro-form {
  display: inline;
}

/* ----- Workspace: left sidebar | main stage ----- */

.shared-build-workspace {
  display: grid;
  grid-template-columns: minmax(16rem, 19rem) minmax(0, 1fr);
  gap: var(--space-8) var(--space-8);
  align-items: start;
}

.shared-build-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: calc(var(--header-height, 52px) + var(--space-3));
  align-self: start;
  max-height: calc(100vh - var(--header-height, 52px) - var(--space-6));
  overflow: hidden;
  padding-right: var(--space-4);
  border-right: 1px solid var(--border-subtle);
}

.shared-build-sidebar-empty {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-style: italic;
}

.shared-build-snapshot {
  margin: 0;
  display: grid;
  gap: 0;
}

.shared-build-snapshot-row {
  display: grid;
  gap: 0.15rem;
  padding: var(--space-3) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border-subtle) 70%, transparent);
}

.shared-build-snapshot-row:first-of-type {
  padding-top: 0;
}

.shared-build-snapshot-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.shared-build-snapshot dt {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: var(--weight-normal);
}

.shared-build-snapshot dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: 1.55;
}

/* Sidebar: build hero + parts list (builder Alternatives markup + builder.css) */
.shared-build-sidebar-hero {
  flex-shrink: 0;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.shared-build-sidebar-cover {
  width: 100%;
  max-height: 8rem;
  margin: 0 0 var(--space-3);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.shared-build-sidebar-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: var(--space-3);
}

.shared-build-sidebar-total-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
}

.shared-build-sidebar-total-price {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.85rem);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.shared-build-sidebar-total-meta {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.shared-build-sidebar .builder-alt-section {
  margin: 0;
  padding: 0;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}

/* Extra slot line + taller rows; builder.css handles the rest */
.shared-build-sidebar .builder-alt-ui-inline .builder-alt-card--inline.shared-build-alt-row {
  align-items: flex-start;
  padding-top: 6px;
  padding-bottom: 6px;
}

.shared-build-sidebar .builder-alt-ui-inline .builder-alt-card--inline.shared-build-alt-row:hover {
  background: color-mix(in srgb, var(--bg-elevated) 35%, transparent);
}

.shared-build-inline-slot {
  display: block;
  font-size: 9px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  line-height: 1.2;
  margin-bottom: 1px;
}

.shared-build-inline-name--static {
  color: var(--text-secondary);
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  display: block;
}

.shared-build-thumb--muted {
  opacity: 0.85;
}

.shared-build-inline-no-catalog {
  font-size: 10px;
  color: var(--text-tertiary);
}

.shared-build-sidebar .builder-alt-inline-name {
  white-space: normal;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Main stage */
.shared-build-stage {
  display: grid;
  gap: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  min-width: 0;
  padding-left: var(--space-6);
}

/* Long-form poster notes (blog-style, optional) */
.shared-build-poster {
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.shared-build-poster-title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.shared-build-poster-body {
  max-width: none;
}

.shared-build-poster-body p {
  margin: 0 0 var(--space-5);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.85;
}

.shared-build-poster-body p:last-child {
  margin-bottom: 0;
}

.shared-build-panel--row {
  width: 100%;
  max-width: none;
}

/* Build specifications — aligned with builder `specs-table` */
.shared-build-specs-section {
  margin: 0;
}

.shared-build-specs-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-3);
}

.shared-build-table-wrap--specs {
  margin-top: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.shared-build-page .specs-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.shared-build-page .specs-table th {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-default);
  text-align: left;
  background: var(--bg-surface);
}

.shared-build-page .specs-table td {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.shared-build-page .specs-table tr:last-child td {
  border-bottom: none;
}

.shared-build-page .spec-component {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  width: 140px;
  max-width: 32%;
}

.shared-build-page .spec-value {
  color: var(--text-primary);
  font-family: var(--font-mono, var(--font-body));
  font-weight: var(--weight-medium);
}

.shared-build-page .spec-notes {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

.shared-build-panel {
  min-width: 0;
}

.shared-build-panel-head {
  margin-bottom: var(--space-5);
}

.shared-build-panel-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

/* Alias — new section titles use same style as panel titles */
.shared-build-section-title {
  margin: 0 0 var(--space-5);
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.shared-build-panel-lead {
  margin: 0;
  max-width: 38rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.shared-build-panel--prose .shared-build-panel-title {
  margin-bottom: var(--space-5);
}

.shared-build-panel--discussion .shared-build-panel-title {
  margin-bottom: var(--space-3);
}

/* ----- Prose sections (full-width rows) ----- */

.shared-build-prose-list {
  display: grid;
  gap: var(--space-5);
}

.shared-build-prose-list p {
  margin: 0;
  padding: 0;
  border: none;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.75;
}

.shared-build-prose-list p + p {
  text-indent: 1.25em;
}

/* ----- Related: simple list rows ----- */

.shared-build-related-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-2);
}

.shared-build-related-item {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.shared-build-related-item:first-child {
  padding-top: 0;
}

.shared-build-related-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.shared-build-related-thumb {
  display: block;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  overflow: hidden;
}

.shared-build-related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 0.35rem;
}

.shared-build-related-body {
  min-width: 0;
}

.shared-build-related-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.shared-build-related-price {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.shared-build-related-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  line-height: var(--leading-snug);
}

.shared-build-related-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.shared-build-related-title a:hover {
  color: var(--accent-text);
}

.shared-build-related-summary {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ----- Discussion: footnote tone ----- */

.shared-build-discussion-lede {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

.shared-build-discussion-kicker {
  color: var(--text-tertiary);
  font-style: italic;
}

.shared-build-discussion-copy {
  margin: 0;
  max-width: none;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.7;
}

/* ----- Sidebar action buttons ----- */

.shared-build-sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-shrink: 0;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
}

.btn--full {
  width: 100%;
  justify-content: center;
  text-align: center;
}

/* ----- Eyebrow row ----- */

.shared-build-eyebrow-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

/* ----- Section base ----- */

.shared-build-section {
  padding-top: 0;
  padding-bottom: 0;
}

.shared-build-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

/* ----- At a glance grid ----- */

.shared-build-glance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: var(--space-3);
  margin: 0;
}

.shared-build-glance-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-1);
}

.shared-build-glance-item dt {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: var(--weight-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.shared-build-glance-item dd {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
  margin: 0;
  line-height: 1.4;
}

/* ----- Introduction / overview ----- */

.shared-build-overview-body {
  margin: 0;
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ----- Part by part breakdown (PCPartPicker-style rows, no cards) ----- */

.shared-build-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
}

.shared-build-breakdown-item {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  gap: var(--space-2);
}

.shared-build-breakdown-header {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
}

.shared-build-breakdown-thumb {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  overflow: hidden;
  flex-shrink: 0;
}

.shared-build-breakdown-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 3px;
}

.shared-build-breakdown-nameblock {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.shared-build-breakdown-slot {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.shared-build-breakdown-name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  text-decoration: none;
  line-height: 1.3;
}

a.shared-build-breakdown-name:hover {
  color: var(--accent-text);
}

.shared-build-breakdown-price {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  margin-top: 1px;
}

.shared-build-breakdown-view-link {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.shared-build-breakdown-view-link:hover {
  color: var(--accent-text);
  background: var(--accent-subtle);
}

.shared-build-breakdown-detail {
  margin: 0;
  padding-left: calc(2.5rem + var(--space-4));
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

.shared-build-breakdown-why {
  padding-left: calc(2.5rem + var(--space-4));
  display: grid;
  gap: 2px;
}

.shared-build-breakdown-why-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.shared-build-breakdown-why p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

.shared-build-breakdown-tradeoff {
  margin: 0;
  padding-left: calc(2.5rem + var(--space-4));
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
  font-style: normal;
}

.shared-build-breakdown-tradeoff-label {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-right: 0.4rem;
}

/* ----- Budget breakdown ----- */

.shared-build-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.shared-build-budget-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.shared-build-budget-table th {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-default);
  text-align: left;
  background: var(--bg-surface);
}

.shared-build-budget-table td {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.shared-build-budget-table tbody tr:last-child td {
  border-bottom: none;
}

.budget-slot-cell {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  width: 120px;
  max-width: 25%;
}

.budget-name-cell {
  color: var(--text-primary);
}

.budget-name-cell a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.budget-name-cell a:hover {
  color: var(--accent-text);
}

.budget-price-col,
.budget-price-cell {
  text-align: right;
  white-space: nowrap;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-medium);
}

.budget-total-row td {
  border-top: 1px solid var(--border-default);
  background: var(--bg-surface);
  font-weight: var(--weight-semibold);
}

.budget-total-label {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.budget-total-price {
  text-align: right;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
}

.shared-build-budget-note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ----- Comments section ----- */

.shared-build-comments-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  font-family: var(--font-body);
  letter-spacing: 0;
}

.shared-build-comment-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-8);
}

.shared-build-comment-item {
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  gap: var(--space-3);
}

.shared-build-comment-item:last-child {
  border-bottom: none;
}

.shared-build-comment-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.shared-build-comment-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--text-secondary);
  flex-shrink: 0;
  font-family: var(--font-heading);
  user-select: none;
}

.shared-build-comment-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.shared-build-comment-author {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.shared-build-comment-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.shared-build-comment-text {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.75;
}

.shared-build-comments-empty {
  margin: 0 0 var(--space-8);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-style: italic;
}

.shared-build-comment-form-wrap {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--bg-surface);
}

.shared-build-comment-form-title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.shared-build-comment-error {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--error) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--error) 30%, transparent);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--error);
}

.shared-build-comment-form {
  display: grid;
  gap: var(--space-4);
}

.shared-build-comment-form-row {
  display: grid;
  gap: var(--space-2);
}

.shared-build-comment-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.shared-build-comment-input,
.shared-build-comment-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
  box-sizing: border-box;
}

.shared-build-comment-input::placeholder,
.shared-build-comment-textarea::placeholder {
  color: var(--text-tertiary);
}

.shared-build-comment-input:focus,
.shared-build-comment-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.shared-build-comment-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.65;
}

/* ----- Comment actions (upvote, reply) ----- */

.shared-build-comment-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-1);
}

.comment-upvote-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  line-height: 1;
}

.comment-upvote-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.comment-upvote-btn.comment-upvote-active {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.comment-upvote-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.comment-upvote-count {
  font-variant-numeric: tabular-nums;
}

.comment-reply-btn {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-1);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.comment-reply-btn:hover {
  color: var(--text-primary);
}

/* ----- Report / delete / admin moderation buttons ----- */

.comment-report-btn,
.comment-delete-btn,
.comment-mod-btn {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-1);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}
.comment-report-btn:hover,
.comment-delete-btn:hover,
.comment-mod-btn:hover { color: var(--text-primary); }
.comment-report-btn:disabled,
.comment-mod-btn:disabled { opacity: 0.5; cursor: default; }
.comment-report-btn.comment-report-active { color: var(--accent); }

.comment-admin-actions {
  display: inline-flex;
  gap: var(--space-2);
  padding-left: var(--space-3);
  border-left: 1px solid var(--border-subtle);
  margin-left: var(--space-2);
}

/* ----- Status placeholders / badges ----- */

.shared-build-comment-placeholder {
  color: var(--text-tertiary);
  font-style: italic;
  margin: var(--space-2) 0;
}

.shared-build-comment-notice {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}
.shared-build-comment-notice--inline {
  padding: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.comment-status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: var(--space-2);
  vertical-align: middle;
}
.comment-status-badge--hidden  { background: color-mix(in srgb, orange 25%, transparent); color: orange; }
.comment-status-badge--removed { background: color-mix(in srgb, crimson 25%, transparent); color: crimson; }

.comment-status-hidden .shared-build-comment-text,
.comment-status-removed .shared-build-comment-text { opacity: 0.7; }

/* ----- Report dialog ----- */

.comment-report-dialog {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--bg-secondary, #111);
  color: var(--text-primary);
  max-width: 380px;
}
.comment-report-dialog::backdrop { background: rgba(0,0,0,0.5); }
.comment-report-form { display: flex; flex-direction: column; gap: var(--space-2); }
.comment-report-form h3 { margin: 0 0 var(--space-2); }
.comment-report-form label {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-sm);
  cursor: pointer;
}
.comment-report-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
  margin-top: var(--space-3);
}

/* ----- Threaded replies ----- */

.shared-build-comment-replies {
  margin-top: var(--space-3);
  padding-left: var(--space-5);
  border-left: 2px solid var(--border-subtle);
}

.shared-build-comment-reply {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: none;
}

.shared-build-comment-reply:last-child {
  padding-bottom: 0;
}

.shared-build-comment-reply .shared-build-comment-avatar {
  width: 1.625rem;
  height: 1.625rem;
  font-size: 0.625rem;
}

/* ----- Inline reply form ----- */

.shared-build-reply-form-wrap {
  margin-top: var(--space-4);
}

.shared-build-reply-textarea {
  min-height: 72px;
}

.shared-build-reply-form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ----- Login prompt (not signed in) ----- */

.shared-build-comment-login-prompt {
  text-align: center;
  padding: var(--space-6) var(--space-5);
}

.shared-build-comment-login-text {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.shared-build-comment-login-text a {
  color: var(--accent);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.shared-build-comment-login-text a:hover {
  text-decoration: underline;
}

/* ----- 404 ----- */

.shared-build-missing {
  display: grid;
  gap: var(--space-4);
  max-width: 28rem;
  padding: var(--space-16) 0 var(--space-20);
}

.shared-build-missing h1 {
  margin: 0;
  font-size: var(--text-3xl);
}

.shared-build-missing p {
  margin: 0;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ----- Breakpoints ----- */

@media (min-width: 1100px) {
  .shared-build-workspace {
    grid-template-columns: minmax(18rem, 22rem) minmax(0, 1fr);
    gap: var(--space-10) var(--space-12);
  }

  .shared-build-sidebar-cover {
    max-height: 10rem;
  }
}

@media (min-width: 1400px) {
  .shared-build-workspace {
    grid-template-columns: minmax(20rem, 24rem) minmax(0, 1fr);
    gap: var(--space-10) var(--space-14, 3.5rem);
  }

  .shared-build-sidebar-cover {
    max-height: 13rem;
  }
}

/* Tablet / laptop — single column, content-first */
@media (max-width: 899px) {
  .shared-build-workspace {
    grid-template-columns: 1fr;
  }

  .shared-build-stage {
    order: 1;
    padding-left: 0;
  }

  .shared-build-sidebar {
    order: 2;
    position: static;
    max-height: none;
    overflow: visible;
    border-right: none;
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-8);
    padding-right: 0;
  }

  .shared-build-sidebar .builder-alt-section {
    overflow: visible;
  }

  .shared-build-sidebar-cover {
    max-width: 20rem;
  }

  .shared-build-breakdown-why,
  .shared-build-breakdown-detail,
  .shared-build-breakdown-tradeoff {
    padding-left: calc(2.5rem + var(--space-4));
  }
}

/* Small tablets / large phones */
@media (max-width: 639px) {
  .shared-build-breadcrumb {
    padding-top: var(--space-4);
  }

  .shared-build-title {
    font-size: clamp(1.3rem, 1rem + 1.2vw, 1.75rem);
  }

  .shared-build-summary {
    font-size: var(--text-base);
  }

  .shared-build-meta-chips {
    flex-direction: column;
    gap: var(--space-2);
    column-gap: 0;
  }

  /* Glance grid: 2 columns on small screens */
  .shared-build-glance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .shared-build-glance-item {
    padding: var(--space-3);
  }

  /* Breakdown rows: tighter on mobile */
  .shared-build-breakdown-header {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    gap: var(--space-3);
  }

  .shared-build-breakdown-thumb {
    width: 2rem;
    height: 2rem;
  }

  .shared-build-breakdown-why,
  .shared-build-breakdown-detail,
  .shared-build-breakdown-tradeoff {
    padding-left: calc(2rem + var(--space-3));
  }

  .shared-build-breakdown-name {
    font-size: var(--text-sm);
  }

  /* Budget table: tighter cells */
  .budget-slot-cell {
    width: auto;
    min-width: 5rem;
  }

  .shared-build-budget-table th,
  .shared-build-budget-table td {
    padding: var(--space-2) var(--space-3);
  }

  /* Comment items: tighter padding */
  .shared-build-comment-item {
    padding: var(--space-4);
  }

  .shared-build-comment-form-wrap {
    padding: var(--space-4);
  }

  .shared-build-comment-replies {
    padding-left: var(--space-4);
  }

  /* Related builds */
  .shared-build-related-item {
    grid-template-columns: 3.75rem minmax(0, 1fr);
    gap: var(--space-4);
  }

  .shared-build-related-thumb {
    width: 3.75rem;
    height: 3.75rem;
  }
}

/* Narrow phones */
@media (max-width: 399px) {
  .shared-build-glance-grid {
    grid-template-columns: 1fr;
  }

  .shared-build-breakdown-header {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .shared-build-breakdown-thumb {
    display: none;
  }

  .shared-build-breakdown-view-link {
    justify-self: start;
  }

  .shared-build-breakdown-why,
  .shared-build-breakdown-detail,
  .shared-build-breakdown-tradeoff {
    padding-left: 0;
  }

  .shared-build-budget-table th:first-child,
  .shared-build-budget-table td:first-child {
    display: none;
  }
}