body {
  min-height: 100vh;
  overflow-y: auto;
}

.desktop-shell {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 1.2rem;
  min-height: 100vh;
  padding: 1.2rem;
}

.sidebar {
  position: sticky;
  top: 1.2rem;
  align-self: start;
  min-height: calc(100vh - 2.4rem);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

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

.brand-row span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #06101d;
  font-weight: 950;
  font-size: 1.35rem;
}

.side-nav {
  display: grid;
  gap: 0.4rem;
}

.side-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.85rem 0.9rem;
  border-radius: 1rem;
}

.side-nav a.active,
.side-nav a:hover {
  color: var(--text);
  background: var(--panel-2);
}

.sidebar .btn {
  margin-top: auto;
}

.main-area {
  display: grid;
  gap: 1.2rem;
  min-width: 0;
}

.topbar {
  padding: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.topbar h1,
.hero h2,
.content-grid h2,
.status h2 {
  margin: 0.3rem 0 0;
  line-height: 1.05;
}

.topbar h1 {
  font-size: clamp(1.8rem, 3vw, 3.5rem);
  max-width: 980px;
}

.hero-grid,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.7fr);
  gap: 1.2rem;
}

.hero,
.status,
.content-grid > .card {
  padding: 1.2rem;
}

.hero p {
  color: var(--muted);
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.65;
}

.hero-actions,
.dialog-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.status-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
}

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

.class-list {
  display: grid;
  gap: 0.8rem;
}

.class-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 1rem;
}

.class-item h3 {
  margin: 0 0 0.2rem;
}

.class-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.roadmap {
  margin: 1rem 0 0;
  padding-left: 1.35rem;
  color: var(--muted);
  line-height: 1.8;
}

dialog {
  width: min(620px, calc(100vw - 2rem));
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--text);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.dialog-card {
  padding: 1.2rem;
}

.icon-btn {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  font-size: 1.3rem;
}

label {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
  font-weight: 700;
}

input,
select {
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.8rem 0.9rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}


.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.preview-box {
  margin: 0.4rem 0 1rem;
  padding: 0.85rem;
  border-radius: 0.95rem;
  background: var(--panel-2);
  border: 1px dashed var(--line);
  color: var(--brand);
  font-weight: 900;
  word-break: break-word;
}

@media (max-width: 900px) {
  .desktop-shell,
  .hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
  }

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

  .search-row {
    grid-template-columns: 1fr;
  }
}

.side-nav button {
  color: var(--muted);
  text-decoration: none;
  padding: 0.85rem 0.9rem;
  border-radius: 1rem;
  background: transparent;
  text-align: left;
}

.side-nav button.active,
.side-nav button:hover {
  color: var(--text);
  background: var(--panel-2);
}

.view-stack {
  display: grid;
  gap: 1.2rem;
}

.panel-full {
  padding: 1.2rem;
}

.item-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.btn.small {
  padding: 0.55rem 0.75rem;
  font-size: 0.86rem;
}

.pill.compact {
  white-space: nowrap;
}

.alert {
  padding: 1rem;
  color: var(--danger);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.forum-group {
  display: grid;
  gap: 0.7rem;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 1rem;
  margin-bottom: 0.85rem;
}

.compact-head {
  margin-bottom: 0;
}

.forum-group h3,
.forum-row h4 {
  margin: 0 0 0.25rem;
}

.forum-row {
  background: color-mix(in srgb, var(--panel), transparent 10%);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.85rem;
}

.forum-row p {
  margin: 0;
  color: var(--muted);
}

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

  .class-item {
    grid-template-columns: 1fr;
  }

  .item-actions {
    justify-content: flex-start;
  }
}

textarea {
  min-height: 9rem;
  resize: vertical;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.8rem 0.9rem;
  font: inherit;
}

.forum-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: center;
}

.post-list {
  display: grid;
  gap: 0.75rem;
}

.post-row {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.85rem;
}

.post-row p {
  margin: 0 0 0.45rem;
}

.post-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.share-tabs {
  max-width: 360px;
  margin-bottom: 1rem;
}

.share-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: center;
}

.qr-wrap {
  display: grid;
  justify-items: start;
  gap: 0.7rem;
}

.qr-wrap img {
  width: 220px;
  height: 220px;
  padding: 0.7rem;
  border-radius: 1rem;
  background: white;
  border: 1px solid var(--line);
}

@media (max-width: 900px) {
  .forum-row,
  .share-link-row {
    grid-template-columns: 1fr;
  }
}

.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  padding: 0.3rem;
  border-radius: 1rem;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.mode-tabs button {
  color: var(--muted);
  background: transparent;
  border-radius: 0.8rem;
  padding: 0.65rem 0.5rem;
  font-weight: 850;
}

.mode-tabs button.active {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
}


.auth-card {
  max-width: 620px;
  margin: 2rem auto;
}

.auth-card form,
.profile-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.auth-card select,
.profile-form select {
  width: 100%;
}

.profile-form {
  max-width: 720px;
}

.is-hidden {
  display: none !important;
}

.add-class-panel .mode-tabs {
  margin-bottom: 1rem;
}

.inline-class-form {
  display: grid;
  gap: 1rem;
}

/* Compact desktop pass */
.desktop-shell {
  grid-template-columns: 235px minmax(0, 1fr);
  gap: 0.8rem;
  padding: 0.8rem;
}

.sidebar {
  top: 0.8rem;
  min-height: calc(100vh - 1.6rem);
  padding: 0.85rem;
  gap: 0.9rem;
}

.brand-mark {
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 0.85rem;
}

.side-nav {
  gap: 0.25rem;
}

.side-nav button,
.side-nav a {
  padding: 0.62rem 0.72rem;
  border-radius: 0.75rem;
}

.main-area,
.view-stack {
  gap: 0.75rem;
}

.topbar {
  padding: 0.75rem 0.9rem;
}

.topbar h1 {
  font-size: clamp(1.1rem, 1.8vw, 1.8rem);
  line-height: 1.15;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.profile-menu-wrap {
  position: relative;
}

.profile-button {
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.65rem 0.35rem 0.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 850;
}

.profile-avatar {
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #06101d;
  font-weight: 950;
}

.profile-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 180px;
  padding: 0.35rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  box-shadow: var(--shadow);
  z-index: 10;
}

.profile-menu button {
  width: 100%;
  text-align: left;
  color: var(--text);
  background: transparent;
  border-radius: 0.65rem;
  padding: 0.65rem 0.7rem;
}

.profile-menu button:hover {
  background: var(--panel-2);
}

.hero-grid,
.content-grid {
  gap: 0.75rem;
}

.hero,
.status,
.content-grid > .card,
.panel-full,
.compact-card {
  padding: 0.85rem;
}

.hero p {
  max-width: none;
  font-size: 0.95rem;
  line-height: 1.45;
  margin-bottom: 0.75rem;
}

.section-head {
  margin-bottom: 0.7rem;
}

.class-list,
.post-list,
.date-list {
  gap: 0.55rem;
}

.class-item,
.forum-row,
.forum-group,
.date-row,
.post-row {
  border-radius: 0.8rem;
  padding: 0.68rem;
}

.class-item h3,
.forum-group h3,
.forum-row h4,
.date-row h4 {
  font-size: 1rem;
}

.class-meta,
.forum-row p,
.date-row p,
.muted {
  font-size: 0.86rem;
}

.status-list {
  gap: 0.45rem;
}

.status-row {
  padding-bottom: 0.45rem;
}

.roadmap {
  line-height: 1.45;
}

.add-class-panel .search-row {
  grid-template-columns: minmax(0, 1fr) auto auto;
}

.browse-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 130px auto;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.dense-list .class-item {
  padding: 0.58rem 0.65rem;
}

.compact-form label,
.inline-class-form label,
#forumForm label,
#profileForm label {
  margin-bottom: 0.55rem;
}

.compact-form textarea {
  min-height: 4.8rem;
}

.class-work-grid,
.class-date-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
}

.compact-detail .status-row {
  margin-bottom: 0.3rem;
}

.date-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: start;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.date-sequence {
  color: var(--brand);
  font-weight: 900;
  font-size: 0.82rem;
  margin-bottom: 0.18rem;
}

.chat-panel {
  padding: 0;
  overflow: hidden;
}

.chat-scroll {
  display: grid;
  gap: 0.65rem;
  max-height: min(58vh, 620px);
  overflow-y: auto;
  padding: 0.9rem;
}

.chat-message {
  display: flex;
}

.chat-bubble {
  max-width: min(760px, 88%);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.72rem 0.82rem;
}

.chat-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
}

.chat-bubble p {
  margin: 0;
  line-height: 1.45;
}

.chat-composer {
  display: grid;
  gap: 0.55rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel), transparent 4%);
  padding: 0.75rem;
}

.chat-composer textarea {
  min-height: 4.25rem;
}

.composer-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
}

.file-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.75rem;
  margin: 0;
  cursor: pointer;
}

.file-picker input {
  max-width: 220px;
  padding: 0;
  border: 0;
  background: transparent;
}

.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.attachment-chip {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel), transparent 4%);
  border-radius: 999px;
  padding: 0.4rem 0.6rem;
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .topbar-actions,
  .browse-controls,
  .add-class-panel .search-row {
    grid-template-columns: 1fr;
  }

  .browse-controls {
    display: grid;
  }
}

/* Compact chat/forum refresh pass */
.chat-shell {
  padding: 0;
  overflow: hidden;
}

.chat-topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.72rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel), transparent 5%);
}

.chat-title-block h2,
.chat-title-block p {
  margin: 0;
}

.chat-title-block h2 {
  font-size: 1.12rem;
  line-height: 1.15;
}

.chat-title-block .kicker {
  margin-bottom: 0.18rem;
}

.chat-toolbar-actions {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chat-tools-row {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line);
}

.chat-search-label {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chat-search {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--text);
  padding: 0.55rem 0.8rem;
  font: inherit;
}

.compact-share {
  min-width: 160px;
  position: relative;
}

.compact-share summary {
  cursor: pointer;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.52rem 0.75rem;
  font-weight: 850;
  list-style-position: inside;
}

.compact-share[open] {
  grid-column: 1 / -1;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.65rem;
}

.compact-tabs {
  margin: 0.55rem 0;
}

.compact-share-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.small-qr img {
  max-width: 180px;
}

.chat-scroll {
  max-height: calc(100vh - 270px);
  min-height: 360px;
  gap: 0.38rem;
  padding: 0.7rem 0.85rem;
}

.chat-message {
  align-items: flex-start;
}

.chat-bubble {
  max-width: min(860px, 82%);
  border-radius: 0.95rem;
  padding: 0.48rem 0.62rem;
}

.chat-meta {
  margin-bottom: 0.22rem;
  font-size: 0.72rem;
}

.chat-bubble p {
  line-height: 1.32;
  font-size: 0.92rem;
}

.chat-empty {
  padding: 0.8rem;
}

.chat-composer {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.55rem;
  padding: 0.58rem 0.85rem;
}

.chat-composer textarea {
  min-height: 2.85rem;
  max-height: 7rem;
  padding: 0.62rem 0.75rem;
}

.chat-composer .composer-actions {
  justify-content: flex-end;
  align-items: center;
  gap: 0.45rem;
}

.chat-composer #postMessage {
  grid-column: 1 / -1;
  margin: 0;
}

.chat-composer .file-picker {
  padding: 0.48rem 0.66rem;
}

.forum-header-card {
  display: none;
}

@media (max-width: 900px) {
  .chat-topbar,
  .chat-tools-row,
  .chat-composer {
    grid-template-columns: 1fr;
  }

  .chat-toolbar-actions {
    justify-content: flex-start;
  }

  .chat-scroll {
    max-height: 56vh;
    min-height: 280px;
  }

  .chat-bubble {
    max-width: 95%;
  }
}

/* Denser chat, clearer search, and less wasted forum space */
body[data-route="forumDetail"] .main-area {
  gap: 0.45rem;
}

body[data-route="forumDetail"] .topbar {
  padding: 0.42rem 0.65rem;
}

body[data-route="forumDetail"] .topbar .kicker {
  margin: 0;
  font-size: 0.62rem;
}

body[data-route="forumDetail"] .topbar h1 {
  font-size: clamp(1rem, 1.35vw, 1.35rem);
  margin-top: 0.08rem;
}

.chat-shell {
  border-radius: 0.9rem;
}

.chat-topbar {
  padding: 0.48rem 0.65rem;
}

.chat-title-block h2 {
  font-size: 1rem;
}

.chat-title-block .kicker {
  font-size: 0.62rem;
}

.chat-tools-row {
  padding: 0.38rem 0.65rem;
  gap: 0.42rem;
}

.chat-search {
  padding: 0.38rem 0.65rem;
  min-height: 2rem;
}

.chat-scroll {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  align-content: flex-start;
  gap: 0.28rem;
  max-height: calc(100vh - 218px);
  min-height: 270px;
  padding: 0.45rem 0.65rem;
}

.chat-message {
  width: 100%;
}

.chat-bubble {
  max-width: min(740px, 70%);
  border-radius: 0.7rem;
  padding: 0.32rem 0.48rem;
}

.chat-meta {
  font-size: 0.66rem;
  margin-bottom: 0.12rem;
}

.chat-bubble p {
  font-size: 0.88rem;
  line-height: 1.24;
}

.chat-message.search-hit .chat-bubble {
  border-color: color-mix(in srgb, var(--brand), var(--line) 30%);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand), transparent 68%);
}

.search-highlight {
  background: color-mix(in srgb, var(--brand), transparent 74%);
  color: var(--text);
  border-radius: 0.25rem;
  padding: 0 0.1em;
  font-weight: 850;
}

.chat-composer {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.42rem;
  padding: 0.45rem 0.65rem;
}

.chat-composer textarea {
  min-height: 2.25rem;
  max-height: 5.5rem;
  padding: 0.45rem 0.58rem;
}

.chat-composer .composer-actions {
  display: grid;
  grid-template-columns: minmax(0, auto) auto;
  justify-content: end;
  align-items: center;
  gap: 0.38rem;
}

.attachment-picker {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.35rem;
}

.file-picker {
  position: relative;
  display: inline-flex;
  white-space: nowrap;
  padding: 0.42rem 0.58rem;
  border-radius: 0.75rem;
  font-size: 0.82rem;
}

.file-picker input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-count {
  max-width: 10rem;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
}

.chat-composer #postMessage {
  grid-column: 1 / -1;
}

@media (max-width: 900px) {
  .chat-scroll {
    max-height: 56vh;
    min-height: 240px;
  }

  .chat-bubble {
    max-width: 94%;
  }

  .chat-composer .composer-actions,
  .attachment-picker {
    justify-content: start;
  }
}

/* Fixed-height chat layout and preserved message line breaks */
body[data-route="forumDetail"] {
  overflow: hidden;
}

body[data-route="forumDetail"] .desktop-shell {
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  padding: 0.7rem;
  gap: 0.7rem;
}

body[data-route="forumDetail"] .sidebar {
  top: 0.7rem;
  height: calc(100vh - 1.4rem);
  min-height: 0;
  overflow-y: auto;
}

body[data-route="forumDetail"] .main-area {
  height: calc(100vh - 1.4rem);
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.38rem;
  overflow: hidden;
}

body[data-route="forumDetail"] .topbar {
  min-height: 0;
  padding: 0.34rem 0.55rem;
}

body[data-route="forumDetail"] .topbar h1 {
  max-width: none;
  margin: 0.04rem 0 0;
  font-size: clamp(0.98rem, 1.15vw, 1.18rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body[data-route="forumDetail"] #view {
  min-height: 0;
  overflow: hidden;
  display: grid;
}

body[data-route="forumDetail"] .chat-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  overflow: hidden;
}

body[data-route="forumDetail"] .chat-scroll {
  max-height: none;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

body[data-route="forumDetail"] .chat-composer {
  align-self: end;
  margin: 0;
  flex-shrink: 0;
}

body[data-route="forumDetail"] .chat-bubble p {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

body[data-route="forumDetail"] .attachment-picker {
  max-width: 20rem;
}

body[data-route="forumDetail"] .file-count {
  max-width: 12rem;
}

@media (max-width: 900px) {
  body[data-route="forumDetail"] {
    overflow: auto;
  }

  body[data-route="forumDetail"] .desktop-shell,
  body[data-route="forumDetail"] .main-area {
    height: auto;
    overflow: visible;
  }
}

/* Consolidated classes page + compact add-class controls */
.class-page-head .section-head {
  margin-bottom: 0.65rem;
}

.class-subtabs {
  display: inline-grid;
  grid-template-columns: repeat(3, auto);
  gap: 0.35rem;
  padding: 0.25rem;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
}

.class-subtabs button {
  color: var(--muted);
  background: transparent;
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  font-weight: 850;
}

.class-subtabs button.active,
.class-subtabs button:hover {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
}

.compact-add-panel {
  padding: 0.75rem;
}

.compact-add-panel h2 {
  margin: 0.15rem 0 0;
  font-size: 1.15rem;
}

.compact-add-panel p {
  margin: 0.2rem 0 0;
}

.compact-mode-tabs {
  width: min(460px, 100%);
  margin-bottom: 0.65rem;
}

.compact-add-body {
  display: grid;
  gap: 0.6rem;
}

.compact-search-row,
.compact-browse-controls {
  align-items: end;
}

.form-grid-compact {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(130px, 0.55fr) minmax(120px, 0.45fr) minmax(120px, 0.45fr);
  gap: 0.55rem;
}

.inline-form-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
}

.inline-form-actions .preview-box {
  margin: 0;
  padding: 0.65rem 0.75rem;
}

.compact-results {
  max-height: min(42vh, 360px);
  overflow-y: auto;
  padding-right: 0.15rem;
}

.search-counter {
  color: var(--muted);
  font-size: 0.78rem;
  min-width: 3.2rem;
  align-self: center;
}

.active-search-highlight {
  outline: 2px solid var(--brand);
  background: color-mix(in srgb, var(--brand), white 18%);
  color: #06101d;
}

.chat-message.focused-search-hit .chat-bubble {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand), transparent 42%);
}

.qr-wrap img,
.small-qr img {
  width: 180px;
  height: 180px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.qr-wrap:not(.small-qr) img {
  width: 220px;
  height: 220px;
}

@media (max-width: 900px) {
  .class-subtabs,
  .form-grid-compact,
  .inline-form-actions,
  .compact-browse-controls {
    width: 100%;
    grid-template-columns: 1fr;
  }
}

.chat-tools-row {
  grid-template-columns: auto minmax(220px, 1fr) auto auto auto;
}

@media (max-width: 900px) {
  .chat-tools-row {
    grid-template-columns: 1fr;
  }
}

/* Admin desktop-only workspace */
.admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.admin-pane {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav button {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 14px;
  padding: 11px 12px;
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.admin-nav button.active,
.admin-nav button:hover {
  border-color: var(--brand);
  background: color-mix(in srgb, var(--brand) 18%, var(--panel-2));
}

.admin-content {
  display: grid;
  gap: 18px;
}

.admin-main-card {
  min-width: 0;
}

.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
}

.admin-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.admin-row,
.admin-mini-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: var(--panel-2);
}

.admin-row h4,
.admin-mini-row h4,
.admin-row p,
.admin-mini-row p {
  margin: 0;
}

.admin-row p,
.admin-mini-row p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.admin-row-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admin-role-select,
.institution-edit-form input {
  min-width: 150px;
}

.btn.danger,
button.danger {
  background: #b91c1c;
  color: #fff;
}

.btn.tiny,
button.tiny {
  padding: 7px 10px;
  font-size: 12px;
}

.admin-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-detail-grid section {
  display: grid;
  gap: 8px;
  align-content: start;
}

.admin-detail-wide {
  grid-column: 1 / -1;
}

.institution-row {
  align-items: stretch;
}

.institution-edit-form {
  display: flex;
  gap: 8px;
  min-width: min(420px, 100%);
}

.admin-message {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-pane {
    position: static;
  }
  .admin-summary-grid,
  .admin-detail-grid {
    grid-template-columns: 1fr;
  }
  .admin-row,
  .admin-mini-row,
  .institution-edit-form {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Cleaner headers, softer buttons, compact dates */
.desktop-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: end;
  padding: 0.15rem 0.05rem 0.25rem;
}

.desktop-title-row h2,
.desktop-title-row p {
  margin: 0.08rem 0 0;
}

.desktop-title-row .class-subtabs {
  grid-column: 1 / -1;
}

.class-page-head .section-head {
  margin-bottom: 0;
}

.class-subtabs {
  grid-template-columns: repeat(2, auto);
}

.add-class-panel .search-row,
.compact-search-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.compact-summary-card {
  padding: 0.75rem;
}

.date-list,
.compact-date-list {
  display: grid;
  gap: 0.45rem;
}

.date-row {
  padding: 0.56rem 0.65rem;
  border-radius: 0.8rem;
  align-items: center;
}

.date-row h4 {
  font-size: 0.96rem;
  margin: 0.08rem 0 0.12rem;
}

.date-row p {
  margin: 0.12rem 0;
  line-height: 1.3;
}

.date-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn.danger,
button.danger {
  background: color-mix(in srgb, var(--danger), #9b4b4b 18%);
  color: #2a1717;
}

.admin-add-row {
  margin: 0.7rem 0;
}

.auth-card {
  padding: clamp(1rem, 2.4vw, 1.5rem);
}

/* Sidebar bottom settings */
.sidebar-spacer {
  flex: 1 1 auto;
}

.side-nav-bottom {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

/* Organized Settings / Appearance */
.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 1rem;
  align-items: start;
}

.settings-section {
  display: grid;
  gap: 0.85rem;
}

.settings-section p {
  margin-top: 0;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.theme-choice {
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.85rem;
  display: grid;
  gap: 0.35rem;
  text-align: left;
  min-height: 6.4rem;
}

.theme-choice.active {
  border-color: color-mix(in srgb, var(--brand), white 18%);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand), transparent 60%);
}

.theme-choice small {
  color: var(--muted);
  line-height: 1.3;
}

.theme-swatch {
  width: 100%;
  height: 0.78rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

.theme-light { background: linear-gradient(90deg, #fffdf8, #c9b7e8); }
.theme-dark { background: linear-gradient(90deg, #171b25, #d7c7ef); }
.theme-nature { background: linear-gradient(90deg, #eef4e8, #9fcf9d, #d7c99b); }
.theme-calm { background: linear-gradient(90deg, #eef5f8, #a8d3dc, #cfc6ea); }
.theme-psychedelic { background: linear-gradient(90deg, #171225, #f0a6ff, #99f0dc); }
.theme-sunset { background: linear-gradient(90deg, #fff1e8, #f3b7a0, #e8c38a); }
.theme-campus { background: linear-gradient(90deg, #101720, #bed7a5, #a8c6df); }

.settings-form {
  display: grid;
  gap: 0.85rem;
}


@media (max-width: 980px) {
  .settings-layout,
  .theme-grid {
    grid-template-columns: 1fr;
  }
}

/* Forum preview metadata and compact forum header */
.forum-preview-meta,
.chat-summary-line {
  font-size: 0.78rem;
  color: var(--muted);
}

.chat-summary-line {
  margin-top: 0.12rem;
  line-height: 1.25;
}

.admin-shell {
  padding: 0.65rem;
}

.admin-main-card {
  padding: 1rem;
}

.admin-add-toggle-row {
  margin: 0.8rem 0;
}

.admin-add-school-form {
  display: grid;
  grid-template-columns: minmax(220px, 50vw) auto auto;
  gap: 0.6rem;
  align-items: center;
  margin: 0.65rem 0 0.9rem;
  max-width: 760px;
}

@media (max-width: 800px) {
  .admin-add-school-form {
    grid-template-columns: 1fr;
  }
}

/* More breathing room on admin pages without making the layout bloated. */
.admin-shell {
  padding: 1.1rem;
  gap: 1.25rem;
}

.admin-pane.card,
.admin-main-card {
  padding: 1.25rem;
}

.admin-pane h3 {
  margin: 0.25rem 0 0.75rem;
}

.admin-content {
  gap: 1.25rem;
}

.admin-summary-card {
  padding: 1.25rem;
}

.admin-summary-grid {
  gap: 0.8rem;
}

.admin-list {
  gap: 0.85rem;
  margin-top: 1rem;
}

.admin-row,
.admin-mini-row {
  padding: 0.95rem;
}

.admin-detail-grid {
  gap: 1rem;
}

.admin-detail-grid section,
.admin-detail-wide {
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--panel-2), transparent 8%);
}

.admin-add-toggle-row,
.admin-add-school-form,
.compact-search-row {
  margin-top: 0.85rem;
}

.admin-add-school-form {
  display: grid;
  grid-template-columns: minmax(220px, 50vw) auto auto;
  gap: 0.65rem;
  align-items: center;
  max-width: 820px;
}


/* Class section switcher */
.class-section-toolbar {
  display: grid;
  gap: 0.8rem;
}

.section-switch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.section-switch-row label {
  display: grid;
  gap: 0.28rem;
  min-width: 13rem;
  margin: 0;
}

.section-switch-row select {
  min-width: 11rem;
}

/* Class details slide-in pane */
.class-details-scrim {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bg), transparent 45%);
  backdrop-filter: blur(2px);
}

.class-details-pane {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 70;
  width: min(34rem, calc(100vw - 1.5rem));
  overflow: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--panel);
  box-shadow: 0 1.4rem 4rem color-mix(in srgb, #000, transparent 60%);
  animation: classDetailsSlideIn 180ms ease-out;
}

@keyframes classDetailsSlideIn {
  from { transform: translateX(1.5rem); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.class-details-head,
.class-details-tabs,
.class-details-columns {
  display: flex;
  gap: 0.75rem;
}

.class-details-head {
  align-items: start;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.class-details-tabs {
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-2), transparent 20%);
}

.class-details-tabs button {
  flex: 1;
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  color: var(--muted);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.class-details-tabs button.active {
  color: var(--text);
  background: var(--panel);
  box-shadow: 0 0.35rem 1rem color-mix(in srgb, #000, transparent 88%);
}

.class-details-columns {
  align-items: stretch;
  margin: 0.9rem 0;
}

.class-details-columns > section {
  flex: 1;
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--panel-2), transparent 18%);
}

.class-person-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.class-person-card {
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--panel);
}

.class-person-card div {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.class-person-card p {
  margin: 0.35rem 0 0;
  line-height: 1.35;
}

.class-details-form {
  margin-top: 0.9rem;
}

@media (max-width: 900px) {
  .class-details-columns {
    display: grid;
  }
}

/* Class collapsible cards */
.class-card-stack {
  display: grid;
  gap: 0.75rem;
}

.class-collapse-card {
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.class-collapse-card.collapsed:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand), var(--line) 55%);
}

.class-collapse-card.expanded {
  cursor: default;
  border-color: color-mix(in srgb, var(--brand), var(--line) 40%);
}

.class-collapse-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.class-collapse-head h2 {
  margin: 0.12rem 0 0;
}

.class-collapse-head p {
  margin: 0.25rem 0 0;
}

.class-collapse-indicator {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.34rem 0.6rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-2), transparent 18%);
  font-size: 0.78rem;
  font-weight: 850;
}

.class-collapse-body {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  cursor: default;
}

.class-card-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.class-card-options button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-2), transparent 18%);
  font-weight: 850;
  cursor: pointer;
}

.class-card-options button.active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--brand), var(--line) 50%);
  background: color-mix(in srgb, var(--brand), transparent 82%);
}

.class-collapse-body .class-details-tabs {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.class-collapse-body .class-details-tabs button {
  flex: initial;
}

/* Class card refinements and class files/schedule */
.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.class-top-section {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: end;
  margin-top: 0.7rem;
}

.class-top-section label {
  display: grid;
  gap: 0.25rem;
  min-width: 11rem;
  margin: 0;
}

.class-collapse-card {
  cursor: default;
}

.class-collapse-head {
  cursor: pointer;
  align-items: center;
}

.class-details-section,
.class-file-form {
  margin-top: 1rem;
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}

.class-schedule-list,
.class-file-list {
  display: grid;
  gap: 0.55rem;
  margin: 0.75rem 0;
}

.class-schedule-row,
.class-file-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.72rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: color-mix(in srgb, var(--panel-2), transparent 15%);
}

.class-schedule-row p,
.class-file-row p {
  margin: 0.25rem 0 0;
}

.class-file-row a {
  word-break: break-word;
}

.compact-file-picker {
  width: fit-content;
}

@media (max-width: 900px) {
  .three-col {
    grid-template-columns: 1fr;
  }
  .class-schedule-row,
  .class-file-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Class detail cleanup: smaller top banner, less duplicated class data, compact nested details */
body[data-route="classDetail"] .topbar {
  padding: 0.45rem 0.75rem;
  min-height: auto;
}

body[data-route="classDetail"] .topbar .kicker {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
}

body[data-route="classDetail"] .topbar h1 {
  font-size: clamp(1.15rem, 1.65vw, 1.75rem);
  margin-top: 0.08rem;
}

body[data-route="classDetail"] .main-area,
body[data-route="classDetail"] .view-stack {
  gap: 0.55rem;
}

.compact-class-detail-head {
  align-items: end;
  padding: 0 0.05rem 0.1rem;
}

.compact-class-detail-head .class-top-section {
  margin-top: 0.3rem;
}

.compact-class-detail-head .class-top-section select,
.compact-class-detail-head .class-top-section .btn {
  padding-block: 0.62rem;
}

.nested-collapse-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--panel-2), transparent 24%);
  margin-top: 0.8rem;
  overflow: hidden;
}

.nested-collapse-head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0.68rem 0.78rem;
  font-weight: 900;
  cursor: pointer;
}

.nested-collapse-head span:last-child {
  color: var(--muted);
  font-size: 0.76rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.24rem 0.5rem;
}

.nested-collapse-body {
  border-top: 1px solid var(--line);
  padding: 0.75rem;
}

.schedule-filter-row {
  display: grid;
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr);
  gap: 0.7rem;
  align-items: end;
}

.schedule-filter-row label {
  margin-bottom: 0;
}

.class-collapse-body .compact-entry-form {
  display: grid;
  gap: 0.55rem;
  max-width: 980px;
}

.class-collapse-body .compact-entry-form label {
  margin-bottom: 0;
  gap: 0.28rem;
}

.class-collapse-body .compact-entry-form input,
.class-collapse-body .compact-entry-form select,
.class-collapse-body .compact-entry-form textarea {
  padding: 0.52rem 0.62rem;
  border-radius: 0.68rem;
}

.class-collapse-body .compact-entry-form textarea {
  min-height: 3rem;
}

.compact-three-col {
  gap: 0.55rem;
}

.compact-two-col {
  gap: 0.55rem;
}

.compact-actions-row {
  margin-top: 0.1rem;
}

.compact-check {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.45rem !important;
  margin: 0.1rem 0 0 !important;
  color: var(--text);
}

.compact-check input {
  width: auto;
  margin: 0;
}

@media (max-width: 900px) {
  .schedule-filter-row {
    grid-template-columns: 1fr;
  }
}

.card-section-options {
  align-items: end;
}

.card-section-options label,
.card-section-picker label {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.card-section-options select,
.card-section-picker select {
  min-width: 11rem;
  padding: 0.48rem 0.62rem;
  border-radius: 0.72rem;
}

.card-section-picker {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: end;
  margin-bottom: 0.65rem;
}

.default-section-note {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.52rem 0.72rem;
  background: color-mix(in srgb, var(--panel-2), transparent 18%);
  color: var(--text);
  font-weight: 900;
}

@media (max-width: 900px) {
  .card-section-picker {
    grid-template-columns: 1fr;
  }
}

/* Clickable class/chat cards and clearer class section heading */
.tappable-card {
  cursor: pointer;
}

.tappable-card:hover {
  border-color: color-mix(in srgb, var(--brand), var(--line) 50%);
}

.chat-card.forum-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.chat-card-icon {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand), transparent 84%);
  border: 1px solid var(--line);
  font-size: 1.05rem;
}

.class-section-subtitle {
  margin: 0.15rem 0 0.25rem;
  color: var(--text);
  font-weight: 950;
  font-size: 1.05rem;
}

/* Persistent sign-in and single compact class header */
.main-area {
  align-content: start;
  grid-template-rows: auto auto;
}

.remember-me-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: var(--text);
  font-weight: 850;
  line-height: 1.3;
}

.remember-me-row input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--brand);
}

body[data-route="classDetail"] .topbar {
  justify-content: flex-end;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

body[data-route="classDetail"] .topbar > div:first-child {
  display: none;
}

body[data-route="classDetail"] .topbar-actions {
  margin-left: auto;
}

body[data-route="classDetail"] .main-area,
body[data-route="classDetail"] .view-stack {
  gap: 0.4rem;
}

.compact-class-detail-head {
  padding: 0.2rem 0.05rem 0.1rem;
  align-items: start;
}

.class-title-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
}

.class-title-line h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.1;
}

.default-section-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.35rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-2), transparent 8%);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  white-space: nowrap;
}

.compact-class-detail-head .class-top-section {
  margin-top: 0.45rem;
}

/* Small group detail */
body[data-route="smallGroupDetail"] .view-stack {
  padding: 0 0.8rem 1rem;
}

.small-group-detail-page {
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.small-group-detail-head {
  padding: 0.15rem 0.1rem;
}

.small-group-detail-head h2,
.small-group-detail-head p,
.small-group-panel h3 {
  margin-top: 0;
}

.small-group-tool-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.small-group-panel {
  padding: 1rem;
  min-width: 0;
}

.small-group-panel[hidden] {
  display: none;
}

.small-group-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.small-group-panel-head h3 {
  margin-bottom: 0;
}

.small-group-share-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
}

.small-group-link-label {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.small-group-member-list,
.small-group-file-list {
  display: grid;
  gap: 0.5rem;
}

.small-group-member-row,
.small-group-file-row {
  display: grid;
  gap: 0.75rem;
  align-items: center;
  padding: 0.68rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--panel-2);
}

.small-group-member-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.small-group-member-row > div {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.small-group-file-row {
  grid-template-columns: minmax(170px, 0.8fr) minmax(220px, 1.4fr) auto;
}

.small-group-file-description {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.small-group-file-upload {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(260px, 1.35fr) auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.85rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: color-mix(in srgb, var(--panel-2), transparent 12%);
}

.small-group-file-upload input,
.small-group-file-picker {
  width: 100%;
  margin: 0;
}

.small-group-file-upload > .muted {
  grid-column: 1 / -1;
  margin: 0;
}

.small-group-file-picker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.62rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.small-group-file-picker span {
  font-weight: 850;
  white-space: nowrap;
}

.small-group-file-picker input {
  padding: 0;
  border: 0;
  background: transparent;
}

.small-group-chat-panel {
  padding: 0;
  overflow: hidden;
}

.small-group-chat-panel .chat-topbar {
  padding: 0.85rem 1rem;
}

.small-group-chat-panel .chat-title-block h3 {
  margin: 0;
}

.small-group-chat {
  min-height: 260px;
  max-height: min(52vh, 560px);
  background: color-mix(in srgb, var(--panel-2), transparent 40%);
}

.small-group-composer {
  padding: 0.85rem 1rem 1rem;
}

.small-group-composer textarea {
  width: 100%;
  resize: vertical;
}

.small-group-empty {
  margin: 0;
}

@media (max-width: 900px) {
  body[data-route="smallGroupDetail"] .view-stack {
    padding: 0 0.25rem 0.75rem;
  }

  .small-group-share-grid,
  .small-group-file-upload,
  .small-group-file-row {
    grid-template-columns: 1fr;
  }

  .small-group-file-row .btn {
    justify-self: start;
  }
}

/* Small Groups summary and heading-click collapsible panels */
body[data-route="smallGroups"] .view-stack {
  padding: 0 0.85rem 1rem;
}

.small-groups-summary-page {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}

.small-groups-summary-card {
  padding: 1.05rem;
}

.small-groups-summary-card > h3 {
  margin: 0 0 0.8rem;
}

.small-group-summary-list {
  display: grid;
  gap: 0.58rem;
}

.small-group-summary-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel-2);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.small-group-summary-row:hover,
.small-group-summary-row:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand), var(--line) 45%);
  background: color-mix(in srgb, var(--panel-2), var(--brand) 7%);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--shadow), transparent 55%);
}

.small-group-summary-main {
  min-width: 0;
  display: grid;
  gap: 0.2rem;
}

.small-group-summary-title-line {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  min-width: 0;
}

.small-group-summary-title-line strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.small-group-summary-class {
  color: var(--muted);
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.small-group-summary-description {
  color: var(--muted);
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.small-group-summary-stats {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  white-space: nowrap;
}

.small-group-summary-arrow {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel), transparent 18%);
  font-size: 1.45rem;
  line-height: 1;
}

.small-group-summary-empty {
  margin: 0;
  padding: 0.8rem;
}

.small-group-collapse-card {
  padding: 0;
  overflow: hidden;
}

.small-group-collapse-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  color: var(--text);
  background: transparent;
  text-align: left;
}

.small-group-collapse-head:hover {
  background: color-mix(in srgb, var(--panel-2), transparent 35%);
}

.small-group-collapse-head > span:first-child {
  display: grid;
  gap: 0.12rem;
}

.small-group-collapse-head strong {
  font-size: 1.04rem;
}

.small-group-collapse-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.small-group-collapse-chevron {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: var(--panel-2);
  font-size: 1.1rem;
  transition: transform 160ms ease;
}

.small-group-collapse-card.is-open .small-group-collapse-chevron {
  transform: rotate(180deg);
}

.small-group-collapse-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--line);
}

.small-group-collapse-body[hidden] {
  display: none;
}

.small-group-chat-panel,
.small-group-chat-panel .small-group-collapse-body {
  padding: 0;
}

.small-group-chat-panel .small-group-collapse-head {
  padding: 0.9rem 1rem;
}

.small-group-member-row {
  min-height: 48px;
  padding: 0.55rem 0.7rem;
}

.small-group-member-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: nowrap;
}

.small-group-member-identity strong,
.small-group-member-identity span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.small-group-member-identity span {
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  body[data-route="smallGroups"] .view-stack {
    padding: 0 0.25rem 0.75rem;
  }

  .small-groups-summary-card {
    padding: 0.8rem;
  }

  .small-group-summary-row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .small-group-summary-stats {
    justify-content: flex-start;
  }

  .small-group-summary-title-line {
    display: grid;
    gap: 0.1rem;
  }
}

/* Small group unread state and class-detail integration */
.small-group-new-message-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--brand), var(--line) 42%);
  border-radius: 999px;
  padding: 0.3rem 0.58rem;
  background: color-mix(in srgb, var(--brand), var(--panel) 78%);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 900;
  white-space: nowrap;
}

.small-group-new-message-badge > span {
  font-size: 0.58rem;
  color: var(--brand);
}

.class-small-groups-card .class-collapse-body {
  display: grid;
  gap: 0.75rem;
}

.class-small-group-list {
  gap: 0.55rem;
}

.class-small-group-list .small-group-summary-row {
  min-height: 0;
}


/* Small Group creation spacing and theme-aware class cards */
.small-group-create-page {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
  padding: 0 0.85rem 1rem;
}

.small-group-create-head {
  padding-inline: 0.1rem;
}

.small-group-create-card {
  padding: clamp(1rem, 2vw, 1.4rem);
}

.small-group-create-card .compact-form {
  display: grid;
  gap: 0.15rem;
  width: 100%;
}

.small-group-create-card .compact-form label {
  margin-bottom: 0.7rem;
}

.small-group-create-card .compact-form input,
.small-group-create-card .compact-form select {
  width: 100%;
}

.small-group-create-card .compact-form > .btn {
  justify-self: start;
  margin-top: 0.15rem;
}

.class-collapse-card {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--panel-2) 88%, var(--brand) 12%),
      color-mix(in srgb, var(--panel-2) 78%, var(--brand-2) 22%)
    );
  border-color: color-mix(in srgb, var(--line) 68%, var(--brand) 32%);
  box-shadow:
    0 12px 32px color-mix(in srgb, var(--brand), transparent 86%),
    inset 0 1px 0 color-mix(in srgb, var(--panel), white 8%);
  overflow: hidden;
}

.class-collapse-card.collapsed:hover {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--panel-2) 82%, var(--brand) 18%),
      color-mix(in srgb, var(--panel-2) 72%, var(--brand-2) 28%)
    );
  border-color: color-mix(in srgb, var(--line) 48%, var(--brand) 52%);
  box-shadow:
    0 16px 38px color-mix(in srgb, var(--brand), transparent 80%),
    inset 0 1px 0 color-mix(in srgb, var(--panel), white 10%);
}

.class-collapse-card.expanded {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--panel-2) 84%, var(--brand) 16%),
      color-mix(in srgb, var(--panel-2) 72%, var(--brand-2) 28%)
    );
  border-color: color-mix(in srgb, var(--line) 45%, var(--brand) 55%);
}

.class-collapse-head {
  padding: 0.05rem;
}

.class-collapse-indicator {
  color: var(--text);
  background: color-mix(in srgb, var(--panel-2) 72%, var(--brand) 28%);
  border-color: color-mix(in srgb, var(--line) 55%, var(--brand) 45%);
}

.class-collapse-body {
  margin-inline: -0.15rem;
  margin-bottom: -0.15rem;
  padding: 1rem 0.15rem 0.15rem;
  border-top-color: color-mix(in srgb, var(--line) 62%, var(--brand) 38%);
}

@media (max-width: 900px) {
  .small-group-create-page {
    padding-inline: 0.25rem;
  }
}