/* S4 project detail shell only — API actions and source access guards remain unchanged. */
.project-detail-page {
  --project-detail-canvas: var(--fb-canvas, #ffffff);
  --project-detail-surface: var(--fb-surface, #ffffff);
  --project-detail-alt: var(--fb-alt, #f4f3f5);
  --project-detail-text: var(--fb-text, #4e4c50);
  --project-detail-muted: var(--fb-muted, #636466);
  --project-detail-border: var(--fb-border, #dddadf);
  --project-detail-primary: var(--fb-primary, #722ea5);
  --project-detail-lime: var(--fb-lime, #d0dd28);
  color: var(--project-detail-text);
}

.project-detail-page__hero {
  display: grid;
  gap: 16px;
  margin: 8px 0 28px;
  padding: 24px;
  border: 1px solid var(--project-detail-border);
  border-radius: 12px;
  background: var(--project-detail-surface);
}

.project-detail-page__back {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  align-self: start;
  color: var(--project-detail-primary);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.project-detail-page__back:hover {
  color: var(--project-detail-text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.project-detail-page__title {
  max-width: 920px;
  margin: 0;
  color: var(--project-detail-text);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.06;
  overflow-wrap: anywhere;
}

.project-detail-page__meta {
  display: flex;
  align-items: center;
  gap: 8px 16px;
  flex-wrap: wrap;
  color: var(--project-detail-muted);
  font-size: 13px;
  line-height: 1.45;
}

.project-detail-page__status {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--project-detail-alt);
  color: var(--project-detail-text);
  font-weight: 800;
}

.project-detail-page__status::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--project-detail-lime);
  content: "";
}

.project-detail-page__tabs {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--project-detail-border);
  border-radius: 12px;
  background: var(--project-detail-alt);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--project-detail-primary) transparent;
}

.project-detail-page__tab {
  min-width: max-content;
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--project-detail-muted);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.project-detail-page__tab:hover,
.project-detail-page__tab--active {
  background: var(--project-detail-surface);
  color: var(--project-detail-primary);
}

.project-detail-page__tab[aria-selected="true"] {
  box-shadow: inset 0 -3px 0 var(--project-detail-lime);
}

.project-detail-page [role="tabpanel"] {
  min-width: 0;
  padding-top: 24px;
}

.project-detail-page [role="tabpanel"][hidden] {
  display: none;
}

.project-detail-page__overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 32px;
}

.project-detail-page__sidebar {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--project-detail-border);
  border-radius: 12px;
  background: var(--project-detail-alt);
}

.project-detail-page__sidebar h2,
.project-detail-page__sidebar h3 {
  margin-top: 0;
}

.project-detail-page__restricted {
  display: grid;
  justify-items: start;
  gap: 16px;
  max-width: 680px;
  margin: 32px auto;
  padding: 32px;
  border: 1px solid var(--project-detail-border);
  border-left: 6px solid var(--project-detail-primary);
  border-radius: 12px;
  background: var(--project-detail-alt);
}

.project-detail-page__restricted h2,
.project-detail-page__restricted p {
  margin: 0;
}

.project-detail-page__restricted p {
  color: var(--project-detail-muted);
  line-height: 1.6;
}

.project-detail-page [data-project-vote] {
  min-height: 44px;
}

html[data-theme="dark"] .project-detail-page__hero,
html[data-theme="dark"] .project-detail-page__sidebar,
html[data-theme="dark"] .project-detail-page__restricted {
  box-shadow: none;
}

@media (max-width: 1439px) {
  .project-detail-page__hero {
    padding: 20px;
  }
}

@media (max-width: 767px) {
  .project-detail-page__hero {
    margin-inline: -4px;
    padding: 16px;
  }
  .project-detail-page__title {
    font-size: clamp(30px, 10vw, 42px);
  }
  .project-detail-page__tabs {
    margin-inline: -4px;
    border-radius: 8px;
  }
  .project-detail-page__tab {
    padding-inline: 14px;
  }
  .project-detail-page__overview {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .project-detail-page__sidebar {
    order: 2;
  }
}

@media (max-width: 389px) {
  .project-detail-page__meta {
    align-items: flex-start;
    flex-direction: column;
  }
  .project-detail-page__restricted {
    margin: 20px 0;
    padding: 24px 16px;
  }
}

@media (min-width: 390px) and (max-width: 767px) {
  .project-detail-page__hero {
    padding: 20px;
  }
}

@media (min-width: 1440px) {
  .project-detail-page__hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px;
  }
  .project-detail-page [role="tabpanel"] {
    padding-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-detail-page * {
    scroll-behavior: auto;
  }
}

/* Readable accent text is distinct from the immutable brand-purple action fill. */
html[data-theme="dark"] .project-detail-page .project-detail-page__status,
html[data-theme="dark"]
  .project-detail-page
  [role="tab"][aria-selected="true"] {
  color: #dfbef4;
}