:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --surface: #f8fafc;
  --surface-2: #eff6ff;
  --success: #dcfce7;
  --danger: #fee2e2;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.05);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --h1: clamp(2rem, 4vw, 3rem);
  --h2: clamp(1.25rem, 2vw, 1.6rem);
  --body: 15px;
  --small: 13px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: var(--body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 26%),
    linear-gradient(180deg, #fcfdff 0%, var(--bg) 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
form { margin: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
code, pre { font-family: Consolas, "SFMono-Regular", monospace; }

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  padding: 0.85rem 0.95rem;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

button {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 0.75rem 0.95rem;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  padding: var(--space-3);
  border-right: 1px solid var(--border);
  background: #f8fafc;
  overflow-y: auto;
}

.sidebar-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sidebar-top,
.sidebar-nav,
.secondary-nav,
.drawer-nav,
.stack,
.main-column,
.sidebar-column,
.hq-shell,
.hq-panel,
.editor-form,
.friends-grid,
.friends-columns,
.feed-list,
.section-head,
.settings-layout,
.profile-grid,
.hq-layout,
.landing-stack {
  display: grid;
  gap: var(--space-3);
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
}

.brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.24);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1.05rem;
}

.brand-copy small,
.sidebar-tagline,
.post-meta,
.muted-stat,
.post-time,
.handle,
.section-head p,
.context-line,
.small-text,
.sub-meta {
  color: var(--muted);
}

.brand-copy small {
  font-size: 12px;
}

.sidebar-search {
  display: grid;
  gap: 0;
}

.sidebar-search input {
  min-height: 42px;
}

.auth-shell {
  min-height: calc(100vh - 4rem);
  display: grid;
  place-items: center;
  padding: var(--space-5) var(--space-3);
}

.auth-panel {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 4vw, 2rem);
  display: grid;
  gap: var(--space-4);
}

.auth-brand,
.notifications-head,
.friend-row,
.input-with-icon,
.notification-title-row,
.friend-copy,
.interest-grid,
.project-embed {
  display: grid;
  gap: var(--space-2);
}

.input-with-icon {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  padding: 0 0.8rem;
}

.input-with-icon input {
  border: 0;
  box-shadow: none;
  padding-left: 0.55rem;
}

.input-with-icon .icon {
  color: var(--muted);
}

.password-wrap .ghost {
  border: 0;
  background: transparent;
  width: auto;
  padding-inline: 0.4rem;
}

.interest-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.interest-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  padding: 0.65rem 0.85rem;
}

.notification-row {
  grid-template-columns: auto 1fr auto;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.notification-title-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.notification-icon {
  color: var(--primary);
}

.inline-badge-chip,
.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
  background: #fff;
}

.inline-badge-chip {
  padding: 0.2rem;
}

.project-embed {
  border-style: dashed;
}

.reply-form {
  position: relative;
}

.comment-reply {
  margin-left: 1.5rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

.sidebar-link,
.ghost-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 0.8rem 0.95rem 0.8rem 1rem;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.sidebar-link:hover,
.ghost-link:hover {
  background: rgba(37, 99, 235, 0.06);
}

.sidebar-link.active {
  background: rgba(37, 99, 235, 0.08);
  box-shadow: inset 3px 0 0 var(--primary);
}

.primary-link {
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.2);
}

.primary-link:hover {
  background: linear-gradient(135deg, #3570ee, #2457d8);
  color: #fff;
}

.primary-link:active,
.primary-link:focus-visible {
  background: linear-gradient(135deg, #3570ee, #2457d8);
  color: #fff;
}

.nav-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.nav-count {
  min-width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.35rem;
  font-size: 12px;
  font-weight: 700;
}

.danger-count {
  background: #ef4444;
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.sidebar-user-copy {
  display: grid;
  gap: 2px;
}

.sidebar-user-copy small {
  color: var(--muted);
}

.logout-link {
  justify-content: flex-start;
}

.mobile-header,
.mobile-drawer,
.drawer-backdrop {
  display: none;
}

.main-shell {
  margin-left: 260px;
  padding: var(--space-4);
}

.panel,
.post-card,
.profile-hero,
.capsule-hero,
.stat-card,
.hq-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-4);
}

.content-layout {
  display: grid;
  gap: var(--space-4);
}

.content-layout.with-rail {
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
}

.content-layout.single-column {
  grid-template-columns: 1fr;
}

.flash {
  margin-bottom: var(--space-3);
  padding: 0.9rem 1rem;
  border-radius: 14px;
}

.flash-success { background: var(--success); }
.flash-error { background: var(--danger); }

.button,
.ghost,
.secondary-button,
.menu-button,
.engagement-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
}

.button {
  border: none;
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  font-weight: 700;
}

.button:hover,
.mobile-post-cta:hover {
  filter: brightness(0.96);
}

.button:focus-visible,
.ghost:focus-visible,
.secondary-button:focus-visible,
.menu-button:focus-visible,
.engagement-link:focus-visible,
.sidebar-link:focus-visible,
.primary-link:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.18);
  outline-offset: 2px;
}

.ghost,
.secondary-button,
.menu-button,
.engagement-link {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  background: #fff;
  color: var(--text);
}

.danger-button {
  background: #fff3f1;
  border-color: #fecaca;
  color: #991b1b;
}

.icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 1.1rem;
}

.icon-only {
  min-width: 44px;
  min-height: 44px;
  padding: 0.7rem;
}

.section-head h1,
.section-head h2,
.panel h1,
.panel h2,
.panel h3 {
  margin: 0;
  letter-spacing: -0.04em;
}

.section-head h1 { font-size: var(--h1); }
.section-head h2 { font-size: var(--h2); }
.eyebrow { font-size: var(--small); text-transform: uppercase; letter-spacing: 0.02em; }

.composer-teaser {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
}

.composer-shell,
.composer-form,
.settings-card,
.settings-section,
.profile-edit-form {
  display: grid;
  gap: var(--space-3);
}

.composer-header-row,
.composer-footer,
.composer-meta-grid,
.comment-head,
.notification-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.composer-tabs {
  gap: var(--space-2);
  justify-content: flex-start;
}

.composer-tab {
  min-height: 40px;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
}

.composer-tab.active {
  background: #eaf2ff;
  border-color: #bfdbfe;
  color: var(--primary-deep);
}

.toggle-title {
  min-height: 40px;
}

.composer-title-wrap,
.composer-panel {
  display: none;
}

.composer-title-wrap.is-open,
.composer-panel.is-active {
  display: grid;
  gap: var(--space-3);
}

.composer-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.composer-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.hint-icon {
  color: var(--primary);
}

.feed-composer-shell {
  padding-bottom: var(--space-3);
}

.compact-composer textarea {
  min-height: 96px;
}

.compact-composer .code-input {
  min-height: 140px;
}

.composer-sidebar {
  position: sticky;
  top: var(--space-4);
}

.preview-card .preview-post-card {
  display: grid;
  gap: var(--space-3);
}

.preview-title {
  margin: 0;
  font-size: 1rem;
}

.section-head.compact {
  gap: 6px;
}

.composer-avatar,
.avatar-circle,
.mini-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
}

.composer-avatar,
.mini-avatar {
  width: 2.75rem;
  height: 2.75rem;
  background: #dbeafe;
  color: var(--primary-deep);
}

.avatar-circle {
  width: 5rem;
  height: 5rem;
  background: linear-gradient(135deg, var(--primary), #7ca7ff);
  color: #fff;
  font-size: 1.4rem;
}

.composer-placeholder {
  display: flex;
  align-items: center;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 1rem;
  background: #fff;
  color: var(--muted);
}

.hero-actions,
.post-card-head,
.engagement-row,
.profile-actions,
.stats-row,
.filter-bar,
.hq-actions,
.friend-actions,
.drawer-head,
.sidebar-user,
.hgroup-inline,
.engagement-group,
.tab-row,
.name-row,
.sub-meta,
.hq-subnav,
.user-row,
.moderation-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: space-between;
  flex-wrap: wrap;
}

.identity-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.post-card {
  display: grid;
  gap: var(--space-3);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.post-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.1);
}

.post-head-meta {
  flex: 1;
  min-width: 0;
}

.display-name,
.post-title-link h3 {
  font-weight: 700;
}

.display-name {
  font-size: 15px;
}

.post-title-link h3,
.post-body,
.quoted-post p,
.log-preview p,
.audit-row p,
.mini-note p {
  margin: 0;
}

.post-title-link h3 {
  font-size: 1rem;
}

.type-pill,
.tag,
.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: auto;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 12px;
  font-weight: 600;
}

.type-pill {
  background: #eaf2ff;
  color: #1d4ed8;
}

.type-pill.log-pill {
  background: #ecfdf5;
  color: #15803d;
}

.type-pill.text-pill {
  background: #f1f5f9;
  color: #475569;
}

.type-pill.remix-pill {
  background: #f3e8ff;
  color: #7c3aed;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  color: #2563eb;
  vertical-align: middle;
}

.verified-icon {
  width: 1.1rem;
  height: 1.1rem;
}

.badge-chip {
  background: #eff6ff;
  color: #1e3a8a;
  border: 1px solid #c7d2fe;
}

.badge-icon {
  width: 0.8rem;
  height: 0.8rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: #f8fafc;
  color: #334155;
  border: 1px solid var(--border);
}

.post-body {
  line-height: 1.6;
  white-space: pre-wrap;
}

.clamp-copy {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
}

.embedded-card,
.user-list-item,
.friend-request-card {
  display: grid;
  gap: 6px;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.embedded-card.active {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.reply-form {
  display: grid;
  gap: var(--space-2);
}

.card-code,
.console-output,
.code-input,
.code-viewer,
.editor-code {
  margin: 0;
  padding: 1rem;
  border-radius: 10px;
  background: #162033;
  color: #e6eefc;
  overflow: auto;
}

.card-code {
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.card-code.is-hidden {
  display: none;
}

.log-preview {
  display: grid;
  gap: var(--space-2);
}

.log-block {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.engagement-row {
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

.engagement-group {
  justify-content: flex-start;
}

.engagement-link {
  padding: 0.55rem 0.75rem;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.engagement-link:hover,
.menu-button:hover {
  background: rgba(15, 23, 42, 0.05);
}

.engagement-link.is-active {
  background: #eaf2ff;
  border-color: #bfdbfe;
  color: var(--primary-deep);
}

.engagement-link span {
  color: var(--text);
  font-weight: 600;
}

.menu-sheet {
  position: relative;
}

.menu-sheet[open] {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow);
}

.menu-sheet summary {
  list-style: none;
  cursor: pointer;
}

.menu-sheet summary::-webkit-details-marker {
  display: none;
}

.reaction-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reaction-pill {
  width: auto;
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  background: #fff;
}

.reaction-pill.active {
  background: #eaf2ff;
  border-color: #bfdbfe;
  color: var(--primary-deep);
}

.profile-hero {
  display: grid;
  gap: var(--space-4);
}

.profile-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}

.profile-meta {
  display: grid;
  gap: var(--space-2);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stats-row div {
  padding: 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.stats-row strong {
  display: block;
  font-size: 1.05rem;
}

.tab-row a,
.hq-subnav a {
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.tab-row a.active,
.hq-subnav a.active {
  background: #eaf2ff;
  border-color: #bfdbfe;
  color: var(--primary-deep);
}

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

.friends-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hq-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
}

.report-card,
.audit-row,
.content-card,
.comment-card {
  display: grid;
  gap: var(--space-3);
}

.comment-card {
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

.comment-reply {
  margin-left: var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--border);
  display: grid;
  gap: var(--space-2);
}

.comment-card .menu-sheet {
  margin-top: 4px;
}

.filter-bar > * {
  width: auto;
  min-width: 0;
}

.filter-bar input {
  flex: 1 1 220px;
}

.editor-frame,
.capsule-layout,
.editor-frame,
.editor-form,
.reading-panel {
  display: grid;
  gap: var(--space-4);
}

.editor-frame {
  grid-template-columns: 52px minmax(0, 1fr);
  border: 1px solid #22304a;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.editor-gutter {
  padding: 0.95rem 0.7rem;
  text-align: right;
  background: #151f33;
  color: #8496b8;
}

.editor-gutter span {
  display: block;
  line-height: 1.5;
}

.editor-code {
  border-radius: 0;
  white-space: pre;
}

.sandbox-frame {
  width: 100%;
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

.console-output {
  min-height: 88px;
  white-space: pre-wrap;
}

.empty-strong {
  text-align: center;
  padding: 2rem 1.25rem;
}

.plain-list {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.notification-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
}

.notification-row.unread {
  background: #f8fbff;
  border-color: #bfdbfe;
}

.notification-tabs {
  justify-content: flex-start;
  gap: var(--space-3);
}

.notification-copy {
  display: grid;
  gap: 4px;
}

.notification-avatar {
  text-decoration: none;
}

.sticky-form-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  padding-top: var(--space-2);
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff 38%);
}

.danger-zone {
  border-color: #fecaca;
}

.search-results-grid {
  display: grid;
  gap: var(--space-3);
}

.mobile-post-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  padding: 0.95rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  box-shadow: var(--shadow);
}

@media (max-width: 1120px) {
  .content-layout.with-rail {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .sidebar {
    display: none;
  }

  .main-shell {
    margin-left: 0;
    padding: calc(62px + var(--space-3)) var(--space-3) 5rem;
  }

  .mobile-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 35;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(14px);
  }

  .drawer-backdrop.is-open {
    position: fixed;
    inset: 0;
    display: block;
    z-index: 39;
    background: rgba(15, 23, 42, 0.38);
  }

  .mobile-drawer {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    display: grid;
    align-content: start;
    gap: var(--space-3);
    width: min(88vw, 320px);
    padding: var(--space-3);
    transform: translateX(-102%);
    transition: transform 180ms ease;
    background: #f8fafc;
    border-right: 1px solid var(--border);
    box-shadow: 18px 0 40px rgba(15, 23, 42, 0.12);
  }

  .mobile-drawer.is-open {
    transform: translateX(0);
  }

  .mobile-post-cta {
    display: inline-flex;
  }

  .stats-row,
  .friends-columns,
  .friends-grid,
  .hq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-heading,
  .composer-teaser {
    grid-template-columns: 1fr;
  }

  .composer-sidebar {
    position: static;
  }
}

@media (max-width: 520px) {
  .main-shell {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }

  .panel,
  .post-card,
  .profile-hero,
  .capsule-hero,
  .stat-card,
  .hq-panel {
    padding: var(--space-3);
  }

  .stats-row,
  .friends-columns,
  .friends-grid,
  .hq-grid {
    grid-template-columns: 1fr 1fr;
  }

  .engagement-row,
  .profile-actions,
  .hero-actions,
  .hq-actions,
  .friend-actions,
  .notification-actions,
  .composer-header-row,
  .composer-footer {
    align-items: stretch;
  }

  .engagement-link,
  .ghost,
  .secondary-button,
  .button,
  .menu-button {
    width: 100%;
  }

  .composer-meta-grid,
  .notification-row {
    grid-template-columns: 1fr;
  }
}

.compact-composer.is-collapsed .composer-expanded {
  display: none;
}

.compact-composer.is-expanded .compact-composer-trigger {
  display: none;
}

.compact-composer-trigger {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: 0.9rem 1rem;
  text-align: left;
}

.composer-expanded {
  display: grid;
  gap: var(--space-3);
}

.composer-header-actions,
.onboarding-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.onboarding-shell {
  max-width: 880px;
  margin: 0 auto;
}

.onboarding-step {
  display: none;
  gap: var(--space-3);
}

.onboarding-step.is-active {
  display: grid;
}

.badge-icon {
  width: 0.95rem;
  height: 0.95rem;
}

.verified-icon {
  width: 1.2rem;
  height: 1.2rem;
}

.notification-actions .button,
.notification-actions .ghost,
.friend-actions .button,
.friend-actions .ghost,
.composer-header-actions .ghost {
  min-height: 40px;
}

.project-embed strong,
.project-embed p {
  margin: 0;
}

.project-embed .tag-row {
  margin-top: 2px;
}

.comment-guides {
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

.onboarding-v2 {
  display: grid;
  gap: var(--space-4);
  max-width: 1120px;
  margin: 0 auto;
}

.onboarding-v2__intro {
  display: grid;
  gap: 10px;
  max-width: 760px;
}

.onboarding-v2__intro h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
}

.onboarding-v2__intro p {
  margin: 0;
  color: var(--muted);
  max-width: 64ch;
}

.onboarding-v2__shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.onboarding-v2__rail,
.onboarding-v2__panel,
.onboarding-rail-card,
.onboarding-rail-note,
.onboarding-form-v2,
.onboarding-user-card__meta {
  display: grid;
  gap: var(--space-3);
}

.onboarding-rail-card,
.onboarding-rail-note,
.onboarding-v2__panel {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.onboarding-rail-card,
.onboarding-rail-note {
  padding: 1.1rem;
}

.onboarding-v2__panel {
  padding: clamp(1.15rem, 3vw, 2rem);
}

.onboarding-step-indicator {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  opacity: 0.65;
}

.onboarding-step-indicator.is-active {
  opacity: 1;
}

.onboarding-step-indicator__number {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 700;
  color: var(--text);
}

.onboarding-step-indicator.is-active .onboarding-step-indicator__number {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  border-color: transparent;
  color: #fff;
}

.onboarding-step-indicator__copy {
  display: grid;
  gap: 4px;
}

.onboarding-step-indicator__copy small,
.onboarding-rail-note p {
  color: var(--muted);
}

.onboarding-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.onboarding-interest-grid {
  gap: 14px;
}

.onboarding-interest-pill {
  justify-content: flex-start;
  min-height: 48px;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.onboarding-interest-pill:has(input:checked) {
  border-color: #93c5fd;
  background: #eff6ff;
}

.onboarding-suggestions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.onboarding-user-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}

.onboarding-user-card small,
.onboarding-actions-row .small-text {
  color: var(--muted);
}

.onboarding-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .compact-composer.is-expanded {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 45;
    padding: var(--space-3);
    margin: 0;
    border-radius: 24px 24px 0 0;
    background: #fff;
    box-shadow: 0 -24px 40px rgba(15, 23, 42, 0.18);
  }

  .onboarding-v2__shell {
    grid-template-columns: 1fr;
  }

  .onboarding-v2__rail {
    order: 2;
  }

  .onboarding-suggestions,
  .onboarding-grid {
    grid-template-columns: 1fr;
  }
}

.settings-grid {
  display: grid;
  gap: var(--space-4);
}

.settings-card {
  padding: 1.25rem;
}

.settings-stack {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.settings-inline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}

.toggle-row input {
  width: 18px;
  height: 18px;
}

.session-row,
.invite-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.snippet-toggle-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8fafc;
  color: var(--text);
  font: inherit;
  text-align: left;
  margin-top: var(--space-2);
}

.snippet-toggle-bar:hover {
  border-color: #bfd1ff;
  background: #f1f5ff;
}

.card-code.is-hidden,
[data-snippet-panel][hidden],
.inline-composer-panel[hidden],
.inline-composer-backdrop[hidden] {
  display: none !important;
}

.inline-composer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.38);
}

.inline-composer-panel {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(560px, calc(100vw - 24px));
  z-index: 55;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.22);
  padding: 1.1rem;
}

.inline-composer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.inline-composer-form {
  gap: var(--space-3);
}

.inline-composer-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.auth-form .input-with-icon .icon {
  color: var(--muted);
}

.danger-zone .danger-button {
  align-self: flex-start;
}

@media (max-width: 900px) {
  .inline-composer-panel {
    inset: auto 0 0 0;
    transform: none;
    width: 100%;
    border-radius: 24px 24px 0 0;
    max-height: 80vh;
    overflow: auto;
  }
}

.filter-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

.split {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hq-table-wrap {
  overflow-x: auto;
}

.hq-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 960px;
}

.hq-table th,
.hq-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0.55rem;
  text-align: left;
  vertical-align: middle;
}

.hq-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

.hq-user-cell {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.messages-shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: var(--space-3);
  min-height: calc(100vh - 124px);
}

.messages-shell > .panel {
  padding: 0;
  overflow: hidden;
}

.messages-sidebar {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  background: #fff;
}

.messages-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.messages-sidebar-head h1 {
  margin: 0;
  font-size: 1.2rem;
}

.messages-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.messages-conversation-list {
  overflow-y: auto;
  padding: 0.6rem;
  display: grid;
  gap: 8px;
  align-content: start;
  grid-auto-rows: max-content;
}

.conversation-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 0.65rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  transition: background-color 130ms ease, border-color 130ms ease;
  align-items: start;
}

.conversation-item:hover {
  background: #f8fafc;
  border-color: var(--border);
}

.conversation-item.active {
  background: #eef4ff;
  border-color: #bfdbfe;
}

.conversation-item.unread strong,
.conversation-item.unread p {
  font-weight: 700;
}

.conversation-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
  align-content: start;
}

.conversation-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.conversation-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-thread {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: #fff;
}

.chat-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
}

.chat-header-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header-copy {
  display: grid;
  gap: 2px;
}

.chat-header-copy strong {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chat-header-copy small {
  color: var(--muted);
}

.thread-messages {
  overflow-y: auto;
  padding: 1rem;
  display: grid;
  gap: 12px;
  align-content: start;
}

.chat-message {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.chat-message.mine {
  justify-content: flex-end;
}

.chat-message-main {
  display: grid;
  gap: 4px;
  max-width: 62%;
}

.chat-message.theirs .chat-message-main {
  justify-items: start;
}

.chat-message.mine .chat-message-main {
  justify-items: end;
}

.chat-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #dbeafe;
  color: #1e3a8a;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 2rem;
}

.ghost-avatar {
  background: transparent;
  color: transparent;
}

.chat-sender {
  font-size: 12px;
  color: var(--muted);
}

.chat-bubble {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.6rem 0.8rem;
  line-height: 1.45;
}

.chat-message.theirs .chat-bubble {
  background: #f8fafc;
  color: var(--text);
}

.chat-message.mine .chat-bubble {
  background: #2563eb;
  border-color: #1d4ed8;
  color: #fff;
}

.chat-bubble p {
  margin: 0;
  white-space: pre-wrap;
}

.chat-code {
  margin: 0.35rem 0 0;
  padding: 0.7rem;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  white-space: pre;
  overflow-x: auto;
}

.chat-time {
  color: var(--muted);
  font-size: 11px;
}

.group-start + .chat-message:not(.group-start) {
  margin-top: -6px;
}

.chat-composer {
  position: sticky;
  bottom: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--border);
  background: #fff;
}

.chat-composer textarea {
  min-height: 44px;
  max-height: 180px;
  resize: none;
  border-radius: 14px;
}

.chat-send {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  padding: 0;
}

.chat-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.messages-empty {
  display: grid;
  gap: var(--space-2);
  justify-items: center;
  text-align: center;
  margin: auto;
  padding: 1.25rem;
}

.mention-link {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: none;
}

.mention-link:hover,
.mention-link:focus-visible {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .messages-shell {
    grid-template-columns: 1fr;
    min-height: calc(100vh - 150px);
  }

  .messages-shell.thread-only .messages-sidebar {
    display: none;
  }

  .messages-shell:not(.thread-only) .messages-thread {
    display: none;
  }

  .chat-message-main {
    max-width: 82%;
  }
}

@media (max-width: 760px) {
  .filter-grid {
    grid-template-columns: 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .hq-table {
    min-width: 760px;
  }
}