/* Shell layout shared by the signed-in pages and the public header. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.app-header .main-nav a[aria-current="page"],
.app-header .main-nav a.active {
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--mint);
}

.user-menu { position: relative; }
.avatar-button,
.public-avatar,
.avatar {
  display: inline-grid;
  place-items: center;
}
.avatar-button,
.public-avatar {
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--coms-radius-md);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-decoration: none;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--mint) 18%, var(--panel-solid));
  color: var(--text);
  font-size: var(--coms-text-sm);
  font-weight: 700;
}
.user-menu-panel,
.profile-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
  min-width: 180px;
  padding: var(--coms-space-2);
  border: 1px solid var(--line);
  border-radius: var(--coms-radius-md);
  background: var(--panel-solid);
  color: var(--text);
}
.theme-choices,
.public-theme {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: color-mix(in srgb, var(--panel-solid) 88%, #000);
  border: 1px solid var(--ui-line, var(--line));
  border-radius: 9999px;
  margin: 0;
}
.theme-choices label,
.public-theme label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  min-height: 28px;
  color: var(--muted);
  font-size: var(--coms-text-sm);
  font-weight: 600;
  border-radius: 9999px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.theme-choices label:hover,
.public-theme label:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 6%, transparent);
}
.theme-choices label:has(input:checked),
.public-theme label:has(input:checked) {
  color: var(--ui-accent-ink, #042111);
  background: var(--ui-accent, var(--mint));
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ui-accent, var(--mint)) 40%, transparent);
  font-weight: 700;
}
.theme-choices label input[type="radio"],
.public-theme label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.theme-choices label:has(input:focus-visible),
.public-theme label:has(input:focus-visible) {
  outline: 2px solid var(--ui-accent, var(--mint));
  outline-offset: 2px;
}

.skeleton {
  display: block;
  border-radius: var(--coms-radius-sm);
  background: color-mix(in srgb, var(--muted) 28%, var(--panel-solid));
  min-height: 12px;
}
.skeleton-line { height: 14px; margin: 8px 0; }
.skeleton-line-short { width: 55%; }
.skeleton-block { height: 72px; margin-top: 12px; }
.status-card[aria-busy="true"] .status-live,
.security-skeleton[aria-busy="true"] { min-height: 140px; }
.home-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: var(--coms-space-4);
  margin: var(--coms-space-5) 0;
}
.home-card,
.status-chip {
  border: 1px solid var(--line);
  border-radius: var(--coms-radius-lg);
  background: var(--panel);
  color: var(--text);
}
.home-card { padding: var(--coms-space-5); }
.home-card h2,
.home-card h1 { color: var(--text); }
.home-card p,
.home-card li { color: var(--muted); }
.status-chip {
  display: inline-flex;
  gap: var(--coms-space-3);
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--text);
}
.quick-actions { display: flex; flex-wrap: wrap; gap: var(--coms-space-2); }
.quick-actions .button,
.quick-actions button { min-height: 44px; }

.confirm-dialog {
  border: 1px solid var(--line);
  border-radius: var(--coms-radius-lg);
  background: var(--panel-solid);
  color: var(--text);
  padding: var(--coms-space-5);
  max-width: 420px;
}
.confirm-dialog::backdrop { background: #0008; }
.undo-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--coms-space-3);
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--coms-radius-md);
  background: var(--panel-solid);
  color: var(--text);
  border: 1px solid var(--line);
  z-index: 30;
}
.contact-suggest {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--coms-radius-md);
  background: var(--panel-solid);
}
.contact-suggest li { display: flex; gap: 10px; align-items: center; padding: 8px 10px; color: var(--text); }
.suggest-status { color: var(--muted); font-size: var(--coms-text-sm); }

body.spa-chat .chat-layout.spa-workspace {
  display: grid;
  grid-template-columns: 72px minmax(220px, 280px) minmax(0, 1fr) auto;
  min-height: 0;
}
.chat-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--coms-space-2);
  padding: var(--coms-space-3) 0;
  border-right: 1px solid var(--line);
  background: var(--panel-solid);
}
.rail-icon,
.server-dot {
  width: 44px;
  height: 44px;
  border-radius: var(--coms-radius-md);
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
  text-decoration: none;
  position: relative;
}
.unread-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
}
body.spa-chat .sidebar-tabs {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.conversation-item,
.group-item,
.community-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 44px;
  padding: 8px;
  color: var(--text);
}
.presence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--subtle);
  display: inline-block;
}
.presence-dot[data-presence="online"] { background: var(--mint); }
.conv-preview,
.conv-time { color: var(--muted); font-size: var(--coms-text-sm); }
.conv-badges { display: flex; gap: 4px; }
.mention-badge,
.unread-badge {
  min-width: 18px;
  padding: 0 5px;
  border-radius: 99px;
  background: var(--mint);
  color: var(--mint-ink);
  font-size: 11px;
  text-align: center;
}
.message-bubble {
  max-width: min(70%, 36rem);
  margin: 4px 12px;
  padding: 8px 10px;
  border-radius: var(--coms-radius-md);
  color: var(--text);
  background: var(--panel-solid);
}
.message-bubble.outgoing {
  margin-left: auto;
  background: var(--mint);
  color: var(--mint-ink);
}
.message-bubble.incoming { margin-right: auto; }
.day-separator { text-align: center; color: var(--muted); font-size: var(--coms-text-sm); margin: 12px 0; }
.jump-latest { min-height: 44px; }
.health-pill #health-pill-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
#health-dot[data-state="offline"] ~ #health-pill-label,
#health-dot[data-state="reconnecting"] ~ #health-pill-label {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
}
.composer-tools { display: flex; gap: 6px; align-items: flex-end; }
#envelope-composer { min-height: 44px; flex: 1; }
.icon-button { min-width: 44px; min-height: 44px; }
.toast-region {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 8px;
  z-index: 25;
}
.toast {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--coms-radius-md);
  background: var(--panel-solid);
  color: var(--text);
  border: 1px solid var(--line);
}

@media (max-width: 800px) {
  .home-grid { grid-template-columns: 1fr; }
  body.spa-chat .chat-layout.spa-workspace { grid-template-columns: 58px minmax(0, 1fr); }
  body.spa-chat .chat-layout:not(.thread-active):not([data-workspace="contacts"]):not([data-workspace="mail"]):not([data-workspace="security"]):not([data-workspace="settings"]) .chat-viewport,
  body.spa-chat .chat-layout:not(.thread-active) .spa-context { display: none; }
  body.spa-chat .chat-layout.thread-active .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="contacts"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="mail"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="security"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="settings"] .spa-sidebar { display: none; }
  .button,
  button,
  .main-nav a,
  .rail-icon,
  .sidebar-tab,
  .rail-action { min-height: 44px; min-width: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
}