.demo-qa,
.demo-knowledge {
  font-family: Georgia, "Times New Roman", serif;
}

.demo-deals {
  font-family: "Trebuchet MS", Arial, sans-serif;
}

.demo-editorial {
  font-family: Georgia, "Times New Roman", serif;
}

.demo-support,
.demo-activity,
.demo-marketplace,
.demo-social {
  font-family: Arial, Helvetica, sans-serif;
}

.demo-ai {
  font-family: "Segoe UI", system-ui, sans-serif;
}

.demo-threaded {
  font-family: "Trebuchet MS", Arial, sans-serif;
}

.demo-post {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.demo-post-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--soft);
  color: var(--ink);
  font-weight: 800;
}

.demo-post-meta {
  display: flex;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.demo-post-meta strong {
  font-size: 15px;
}

.demo-post-meta span {
  font: 500 10px DM Mono;
  color: var(--muted);
}

.demo-post-body p {
  margin: 0 0 10px;
  line-height: 1.7;
  color: var(--ink);
}

.demo-post-body blockquote {
  margin: 14px 0;
  padding: 14px 16px;
  border-left: 4px solid currentColor;
  background: #f5f7f8;
  color: var(--ink-2);
  font-size: 13px;
}

.qa-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 620px;
  background: #fbfbf7;
}

.qa-rail {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  background: #f4f2ea;
}

.qa-brand {
  font: 700 20px Georgia, serif;
  margin-bottom: 10px;
}

.qa-rail p,
.qa-intro,
.qa-answer p,
.support-thread p,
.market-item p,
.activity-item p,
.editorial-article p,
.ai-thread p {
  color: var(--muted);
  line-height: 1.7;
}

.qa-stats {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.qa-stats div {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.qa-stats strong {
  font-size: 22px;
}

.qa-stats span {
  font: 500 10px DM Mono;
  color: var(--muted);
  text-transform: uppercase;
}

.qa-main {
  padding: 26px 28px 34px;
}

.qa-toolbar,
.support-head,
.activity-top,
.market-header,
.ai-header,
.deal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.qa-toolbar button,
.support-pill,
.activity-top button,
.market-header button,
.ai-pill,
.deal-top button {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 14px;
  font: 700 12px Arial, sans-serif;
  flex-shrink: 0;
  white-space: nowrap;
}

.qa-chip,
.support-kicker,
.activity-kicker,
.market-kicker,
.ai-kicker,
.deal-eyebrow,
.editorial-kicker,
.threaded-section {
  font: 700 10px DM Mono;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-2);
}

.qa-question {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 10px 24px #19344a0d;
}

.qa-question-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font: 500 11px DM Mono;
}

.qa-question h3,
.support-shell h3,
.market-header h3,
.editorial-hero h3 {
  font: 700 32px Georgia, serif;
  line-height: 1.05;
  margin: 12px 0 0;
}

.qa-answer {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.qa-answer.accepted {
  background: #f4fbf4;
  border: 1px solid #cde0cf;
  border-radius: 18px;
  padding: 20px;
  margin-top: 18px;
}

.qa-vote {
  font: 700 12px DM Mono;
  color: var(--ink-2);
}

.qa-vote strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
}

.qa-answer h4 {
  margin: 0 0 8px;
  font: 700 20px Georgia, serif;
}

.qa-answer pre {
  overflow: auto;
  white-space: pre-wrap;
  background: #102638;
  color: #edf5f7;
  border-radius: 16px;
  padding: 16px 18px;
  font: 12px/1.7 "Cascadia Mono", Consolas, monospace;
}

.qa-side-note {
  margin-top: 18px;
  padding: 16px 18px;
  background: #f7f3ea;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.deal-shell,
.activity-shell,
.market-shell,
.ai-shell,
.editorial-shell {
  padding: 26px 28px 32px;
}

.deal-top h3,
.activity-top button,
.market-header h3,
.ai-header span,
.editorial-hero h3 {
  margin: 0;
}

.deal-grid,
.market-list,
.activity-list {
  display: grid;
  gap: 14px;
}

.deal-card {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) 90px;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid #d9c28d;
  background: linear-gradient(180deg, #fff8e6, #fffdf7);
}

.deal-score strong {
  display: block;
  font: 800 30px "Trebuchet MS", Arial, sans-serif;
}

.deal-score span {
  font: 700 10px DM Mono;
  color: var(--muted);
  text-transform: uppercase;
}

.deal-copy h4,
.market-item h4,
.social-post h3,
.activity-item h4 {
  margin: 6px 0;
  font: 700 22px "Trebuchet MS", Arial, sans-serif;
}

.deal-meta,
.market-item span,
.social-meta,
.activity-item span,
.support-status {
  font: 500 10px DM Mono;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.deal-price {
  justify-self: end;
  font: 800 22px "Trebuchet MS", Arial, sans-serif;
}

.threaded-modern {
  padding: 18px 20px 24px;
  background: linear-gradient(180deg, #edf8fc, #e8f2f8);
}

.threaded-topic {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
  margin: 18px 0;
}

.threaded-topic h3 {
  margin: 8px 0 10px;
  font: 700 34px "Trebuchet MS", Arial, sans-serif;
}

.threaded-tree {
  display: grid;
  gap: 12px;
}

.threaded-branch {
  position: relative;
}

.threaded-branch::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #5d94a9;
}

.threaded-branch.depth-1 { margin-left: 24px; }
.threaded-branch.depth-2 { margin-left: 48px; }
.threaded-branch.depth-3 { margin-left: 72px; }

.bbs-modern {
  font-family: Arial, Helvetica, sans-serif;
  background: #eef1f8;
  border: 1px solid #9aa9cb;
  color: #18233c;
}

.bbs-modern .bbs-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  background: linear-gradient(135deg, #6f87c7, #9fb0dd);
  color: #101b36;
}

.bbs-banner b,
.bbs-banner span {
  display: block;
}

.bbs-banner b {
  font-size: 24px;
}

.bbs-banner span {
  margin-top: 3px;
  font-size: 12px;
}

.bbs-banner input {
  width: min(300px, 42%);
  border: 1px solid #6679aa;
  border-radius: 4px;
  background: #fff;
  padding: 10px 12px;
  font: 13px Arial, sans-serif;
}

.bbs-links,
.bbs-crumb {
  padding: 9px 16px;
  border-top: 1px solid #9aa9cb;
  font-size: 12px;
}

.bbs-links {
  background: #d9dfef;
}

.bbs-links span {
  float: right;
}

.bbs-crumb {
  background: #f8f9fc;
  color: #46577d;
}

.bbs-group {
  margin: 14px;
  border: 1px solid #8999bc;
  background: #fff;
}

.bbs-group > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 16px;
  padding: 10px 14px;
  background: #536caa;
  color: white;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}

.bbs-group > header span {
  text-align: right;
  font-size: 10px;
}

.bbs-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 310px;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-top: 1px solid #ccd3e3;
}

.bbs-row:first-of-type {
  border-top: 0;
}

.bbs-row > i {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e0e5f2;
  color: #425b99;
  font-style: normal;
}

.bbs-row b {
  color: #183b75;
  font-size: 15px;
}

.bbs-row p {
  margin: 5px 0;
  color: #52617f;
  font-size: 13px;
}

.bbs-row small {
  color: #71809c;
  font-size: 10px;
}

.bbs-row > strong {
  color: #2e3b57;
  font-size: 11px;
  line-height: 1.5;
}

.editorial-shell {
  background: #fffdf8;
  display: grid;
  gap: 18px;
}

.editorial-hero {
  display: grid;
  gap: 8px;
  padding: 22px 24px;
  background: #f4ecde;
  border-radius: 18px;
}

.editorial-hero h3 {
  font-size: 36px;
  max-width: 16ch;
}

.editorial-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 18px;
}

.editorial-article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}

.editorial-article .drop {
  font: 700 22px Georgia, serif;
  color: var(--ink);
}

.editorial-sidebar {
  display: grid;
  gap: 12px;
}

.editorial-sidebar > div {
  background: #f5f7f8;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.editorial-sidebar strong {
  display: block;
  font: 800 28px Georgia, serif;
}

.editorial-sidebar span {
  color: var(--muted);
  font-size: 12px;
}

.support-shell {
  padding: 26px 28px 32px;
  background: linear-gradient(180deg, #f3fbf5, #fbfefa);
}

.support-pill {
  background: #1a7f4f;
  color: white;
  border-color: #1a7f4f;
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 18px;
}

.support-thread,
.support-rail {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
}

.support-thread blockquote {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 4px solid #1a7f4f;
  background: #f1fbf4;
}

.support-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.support-rail strong,
.market-filters strong,
.ai-rail strong {
  display: block;
  margin-bottom: 4px;
}

.support-rail span,
.market-filters a,
.ai-rail span {
  color: var(--muted);
  font-size: 12px;
}

.activity-shell {
  background: linear-gradient(180deg, #fff6ef, #fffdf9);
}

.activity-list {
  padding-top: 6px;
}

.activity-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.activity-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 5px;
  background: var(--marigold);
}

.market-layout {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
}

.market-filters {
  background: #f3f6f7;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  align-self: start;
  display: grid;
  gap: 10px;
}

.market-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.market-item {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.market-item > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.ai-shell {
  background: linear-gradient(180deg, #eff8fb, #ffffff);
}

.ai-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 18px;
}

.ai-thread {
  padding: 4px 0;
}

.ai-rail {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.ai-source {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #eef8fb;
  color: var(--ink-2);
  font: 500 12px/1.6 DM Mono;
}

.social-shell {
  background: #f8f5fc;
  padding: 20px 22px 28px;
}

.social-top {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.social-top b {
  font: 800 22px "Arial Black", Arial, sans-serif;
}

.social-body {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 18px;
}

.social-body aside {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
}

.social-body aside a {
  text-decoration: none;
  color: var(--ink);
  font-size: 13px;
}

.social-post {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.social-vote {
  display: grid;
  gap: 4px;
  justify-items: center;
  align-content: start;
  padding: 10px 0;
}

.social-vote button {
  border: 0;
  background: transparent;
  font-size: 16px;
}

.social-actions {
  font: 700 10px DM Mono;
  color: var(--muted);
  text-transform: uppercase;
}

@media (max-width: 920px) {
  .qa-shell,
  .support-grid,
  .editorial-layout,
  .ai-grid,
  .market-layout,
  .social-body {
    grid-template-columns: 1fr;
  }

  .qa-rail,
  .support-rail,
  .market-filters,
  .ai-rail,
  .social-body aside {
    display: none;
  }

  .market-list {
    grid-template-columns: 1fr;
  }

  .deal-card {
    grid-template-columns: 1fr;
  }

  .deal-price {
    justify-self: start;
  }

  .bbs-group > header {
    grid-template-columns: 1fr;
  }

  .bbs-group > header span {
    display: none;
  }

  .bbs-row {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .bbs-row > strong {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .qa-main,
  .deal-shell,
  .editorial-shell,
  .support-shell,
  .activity-shell,
  .market-shell,
  .ai-shell,
  .social-shell {
    padding: 18px;
  }

  .qa-answer {
    grid-template-columns: 1fr;
  }

  .bbs-banner {
    align-items: stretch;
    flex-direction: column;
  }

  .bbs-banner input {
    width: 100%;
  }
}