body.forum-app {
  --forum-glass: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ci-panel-bg-strong) 98%, transparent),
    color-mix(in srgb, var(--ci-panel-bg) 96%, transparent)
  );
  --forum-card-shadow: var(--forum-shadow);
  --forum-radius-lg: 22px;
  --forum-radius-md: 16px;
  --forum-radius-sm: 10px;
  --forum-surface-elevated: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ci-panel-bg-strong) 99%, transparent),
    color-mix(in srgb, var(--ci-panel-bg) 97%, transparent)
  );
  --forum-surface-muted: color-mix(in srgb, var(--ci-panel-muted) 97%, var(--ci-panel-bg-strong) 3%);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--forum-bg-page);
  color: var(--forum-text);
  font-family: var(--forum-font-sans);
  /* Keep the shared marketing header and footer stacked vertically while letting the main
     forum shell stretch to fill the viewport. Using a column layout prevents the header
     from shrinking to the sidebar width when the community service is accessed directly. */
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: var(--ci-grid-overlay);
  background-size: 36px 36px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 85%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 85%);
}

/* Allow the shared chrome to occupy its natural space while the forum shell handles
   the horizontal layout. Flex growth keeps the background gradient spanning the page
   even when the footer is short. */
#mainContent {
  flex: 1;
  display: flex;
  width: 100%;
}

a {
  color: var(--forum-accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.forum-shell {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.forum-sidebar {
  width: min(320px, 28vw);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--forum-bg-sidebar);
  border-right: 1px solid var(--forum-border);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: inset -1px 0 0 var(--forum-border-soft);
}

.forum-sidebar__logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.forum-sidebar__logo h1 {
  font-size: 1.75rem;
  margin: 0;
  font-weight: 700;
  color: var(--forum-text);
  text-shadow: none;
}

.forum-badge {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid var(--forum-pill-border);
  background: var(--forum-pill-bg);
  color: var(--forum-pill-text);
}

.forum-sidebar nav {
  display: grid;
  gap: 1.1rem;
  font-size: 0.95rem;
}

.forum-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--forum-text-muted);
  padding: 0.55rem 0.75rem;
  border-radius: var(--forum-radius-sm);
  transition: background 180ms ease, color 180ms ease;
}

.forum-nav-link:hover,
.forum-nav-link:focus-visible {
  background: var(--forum-pill-bg);
  color: var(--forum-text);
}

.forum-nav-link.is-active {
  background: var(--forum-pill-bg);
  color: var(--forum-pill-text);
  font-weight: 600;
}

.forum-channel-links {
  border-left: 1px solid var(--forum-border);
  margin-left: 1.75rem;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.forum-channel-links .forum-nav-link {
  border-radius: var(--forum-radius-sm);
  padding-inline: 0.65rem;
}

.forum-footer-card {
  margin-top: 2.5rem;
  padding: 1.25rem;
  border-radius: var(--forum-radius-md);
  background: var(--forum-bg-surface);
  border: 1px solid var(--forum-border);
}

.forum-sidebar__support-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.forum-help-button {
  width: 100%;
  margin-top: 0.75rem;
  background: var(--forum-bg-muted);
  color: var(--forum-text);
  font-weight: 600;
  border: none;
  border-radius: var(--forum-radius-sm);
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}

.forum-help-button:hover,
.forum-help-button:focus-visible {
  background: var(--forum-pill-bg);
  transform: translateY(-1px);
}

.forum-sidebar__meta {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--forum-text-muted);
  border-top: 1px solid var(--forum-border-soft);
  padding-top: 1rem;
}

.forum-sidebar__copyright {
  margin-top: 0.35rem;
}

.forum-main {
  flex: 1;
  padding: 2.75rem 3.25rem;
  display: grid;
  gap: 2.25rem;
  overflow-y: auto;
}

.forum-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}

.forum-header h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-family: var(--forum-font-display);
}

.forum-header p {
  margin: 0.6rem 0 0;
  color: var(--forum-text-muted);
  max-width: 44ch;
  line-height: 1.6;
}

.forum-overline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--forum-text-muted);
}

.forum-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.forum-theme-toggle {
  background: var(--forum-bg-surface-strong);
}

.forum-search-form,
.forum-channel-form {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: var(--forum-radius-md);
  background: var(--forum-surface-elevated);
  border: 1px solid var(--forum-border);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.forum-search-input,
.forum-select {
  border: 1px solid var(--forum-border);
  background: var(--forum-bg-input);
  color: var(--forum-text);
  border-radius: var(--forum-radius-sm);
  padding: 0.55rem 0.75rem;
  min-width: 220px;
}

.forum-search-form button {
  border: none;
  background: var(--forum-cta-gradient);
  color: #fff7ef;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--forum-radius-sm);
  cursor: pointer;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.forum-search-form button:hover,
.forum-search-form button:focus-visible {
  box-shadow: var(--forum-cta-shadow);
  transform: translateY(-1px);
}

.forum-reset-link {
  color: var(--forum-text-muted);
  font-size: 0.9rem;
}

.forum-section {
  background: var(--forum-glass);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius-lg);
  padding: 1.75rem 1.9rem;
  box-shadow: var(--forum-card-shadow);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.forum-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.forum-section__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--forum-text);
  font-family: var(--forum-font-display);
}

.forum-section__cta {
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--forum-border);
  background: var(--forum-pill-bg);
  color: var(--forum-pill-text);
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.forum-section__cta:hover,
.forum-section__cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--forum-shadow);
}

.forum-section__header--tight {
  margin-bottom: 0.75rem;
}

.forum-section__header--compact {
  margin-bottom: 0.5rem;
}

.forum-section--compact {
  padding: 1.15rem 1.35rem;
}

.forum-topics-list,
.forum-posts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}

.forum-topic-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  border-radius: var(--forum-radius-md);
  background: var(--forum-surface-muted);
  border: 1px solid var(--forum-border-soft);
  transition: background 180ms ease, border 180ms ease, transform 180ms ease;
}

.forum-topic-item:hover,
.forum-topic-item:focus-within {
  background: var(--forum-accent-soft-2);
  border-color: var(--forum-accent-border);
  transform: translateY(-1px);
}

.forum-topic-item__title {
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--forum-text);
  font-weight: 600;
  font-family: var(--forum-font-display);
}

.forum-topic-item__title--spotlight {
  margin-bottom: 0.4rem;
}

.forum-topic-item__meta {
  font-size: 0.85rem;
  color: var(--forum-text-muted);
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.forum-topic-item__badge {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: var(--forum-badge-bg);
  border: 1px solid var(--forum-pill-border);
  color: var(--forum-badge-text);
  align-self: center;
}

.forum-topic-spotlight {
  display: grid;
  gap: 1.25rem;
  border: 1px solid var(--forum-accent-border);
}

.forum-topic-spotlight__heading {
  margin: 0;
  font-size: 1.1rem;
  color: var(--forum-accent);
  font-weight: 600;
  font-family: var(--forum-font-display);
}

.forum-post {
  display: flex;
  gap: 1rem;
  background: var(--forum-surface-muted);
  border-radius: var(--forum-radius-md);
  padding: 1rem;
  border: 1px solid var(--forum-border-soft);
}

.forum-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--forum-accent-soft);
  display: grid;
  place-items: center;
  font-weight: 600;
  color: var(--forum-accent);
  flex-shrink: 0;
  text-transform: uppercase;
}

.forum-post__body {
  flex: 1;
  display: grid;
  gap: 0.45rem;
}

.forum-post__meta {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--forum-text-muted);
}

.forum-post__author {
  color: var(--forum-accent);
  font-weight: 600;
}

.forum-post__content {
  margin: 0;
  line-height: 1.55;
  color: var(--forum-text);
  white-space: pre-line;
}

.forum-primary-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--forum-accent);
}

.forum-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--forum-text-muted);
}

.forum-topic-header {
  margin-top: 0.85rem;
}

.forum-topic-channel,
.forum-post-count {
  color: var(--forum-text-muted);
}

.forum-compose-copy {
  margin: 0 0 1.25rem;
  max-width: 60ch;
  color: var(--forum-text-muted);
}

.forum-compose-copy--muted {
  margin: 0;
}

.forum-empty-hint {
  display: block;
  margin-top: 0.5rem;
  color: var(--forum-text-muted);
}

.forum-avatar--support {
  background: var(--forum-highlight-soft-2);
  color: var(--forum-highlight-text);
  font-size: 1.1rem;
}

.forum-card-title {
  margin: 0;
  font-size: 1rem;
  color: var(--forum-text);
}

.forum-card-copy {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--forum-text-muted);
}

.forum-compose {
  display: grid;
  gap: 1rem;
}

.forum-compose form {
  display: grid;
  gap: 1rem;
}

.forum-compose label {
  font-size: 0.9rem;
  color: var(--forum-text-muted);
}

.forum-input,
.forum-textarea,
.forum-select {
  width: 100%;
  border-radius: var(--forum-radius-sm);
  border: 1px solid var(--forum-border);
  background: var(--forum-bg-input);
  color: var(--forum-text);
  padding: 0.8rem 1rem;
  font-size: 1rem;
  transition: border 180ms ease, box-shadow 180ms ease;
}

.forum-input:focus,
.forum-textarea:focus,
.forum-select:focus {
  outline: none;
  border-color: var(--forum-accent-border-strong);
  box-shadow: 0 0 0 3px var(--forum-accent-soft);
}

.forum-textarea {
  min-height: 140px;
  resize: vertical;
}

.forum-button {
  justify-self: flex-start;
  background: var(--forum-cta-gradient);
  border: none;
  color: #fff7ef;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  cursor: pointer;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.forum-button:hover,
.forum-button:focus-visible {
  box-shadow: var(--forum-cta-shadow);
  transform: translateY(-1px);
}

.forum-knowledge-panel {
  display: grid;
  gap: 0.85rem;
  border: 1px solid var(--forum-accent-border);
  background: color-mix(in srgb, var(--ci-panel-bg-strong) 94%, var(--forum-accent-soft-2) 6%);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.forum-knowledge-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.forum-knowledge-panel__header h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--forum-accent);
}

.forum-knowledge-panel__header span,
.forum-knowledge-card p,
.forum-knowledge-card small,
.forum-escalation-actions {
  color: var(--forum-text-muted);
}

.forum-knowledge-list,
.forum-escalation-actions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.forum-knowledge-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  border-radius: var(--forum-radius-md);
  padding: 0.95rem 1rem;
  background: var(--forum-surface-elevated);
  border: 1px solid var(--forum-border-soft);
}

.forum-knowledge-card strong {
  display: block;
  margin-bottom: 0.3rem;
}

.forum-knowledge-card p {
  margin: 0;
  line-height: 1.5;
}

.forum-escalation-box p {
  margin: 0;
  line-height: 1.55;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.forum-empty {
  border-radius: var(--forum-radius-md);
  padding: 2.25rem;
  text-align: center;
  background: var(--forum-surface-elevated);
  border: 1px dashed var(--forum-border);
  color: var(--forum-text-muted);
}

.forum-empty h3 {
  margin: 0 0 0.5rem;
  color: var(--forum-text);
  font-family: var(--forum-font-display);
}

.forum-form-status {
  margin: 0;
  min-height: 1.25rem;
  font-size: 0.88rem;
  color: var(--forum-text-muted);
}

.forum-form-status[data-state='error'] {
  color: var(--forum-danger, var(--kb-danger));
}

.forum-form-status[data-state='success'] {
  color: var(--forum-accent-strong);
}

form.is-submitting {
  opacity: 0.82;
}

@media (max-width: 1180px) {
  .forum-sidebar {
    display: none;
  }

  .forum-main {
    padding: 2.5rem clamp(1.5rem, 4vw, 3rem);
  }
}

@media (max-width: 780px) {
  .forum-main {
    padding: 2rem 1.5rem;
  }

  .forum-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .forum-filters {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .forum-search-form,
  .forum-channel-form {
    width: 100%;
  }

  .forum-search-input,
  .forum-select {
    width: 100%;
  }

  .forum-theme-toggle {
    width: 100%;
    justify-content: center;
  }
}