/* dm-chat-20261009: Messages thread = chat layout at all widths.
 * Header stays at top, only the message list scrolls, composer pinned above
 * the bottom tab bar (or right on the keyboard when body.kb-open). */
body[data-dm-page].dm-thread-open {
  height: 100vh;
  height: 100dvh;
  height: var(--dm-vh, 100dvh);
  min-height: 0 !important;
  overflow: hidden !important;
  padding-bottom: 0 !important;
  display: flex;
  flex-direction: column;
}
body[data-dm-page].dm-thread-open .site-header { flex: 0 0 auto; }
body[data-dm-page].dm-thread-open .site-footer,
body[data-dm-page].dm-thread-open .chrome-strip { display: none !important; }
body[data-dm-page].dm-thread-open .app-main {
  flex: 1 1 auto;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column;
  overflow: hidden !important;
  padding-bottom: 0 !important;
  margin-bottom: 0 !important;
}
body[data-dm-page].dm-thread-open .app-main > *:not(.dm-thread-panel) { flex: 0 0 auto; }
body[data-dm-page].dm-thread-open .dm-thread-panel:not([hidden]) {
  flex: 1 1 auto;
  min-height: 0 !important;
  max-height: none !important;
  display: flex !important;
  flex-direction: column;
  overflow: hidden !important;
  margin-bottom: 0 !important;
}
body[data-dm-page].dm-thread-open .dm-thread-panel .dm-thread-header { flex: 0 0 auto; }
body[data-dm-page].dm-thread-open .dm-thread-panel .dm-message-list {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  max-height: none !important;
  overflow-y: auto !important;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  scroll-behavior: auto;
}
body[data-dm-page].dm-thread-open .dm-thread-panel > *:not(.dm-message-list):not(.dm-thread-header) { flex: 0 0 auto; }
body[data-dm-page].dm-thread-open .dm-compose,
body[data-dm-page].dm-thread-open [data-dm-group-compose] {
  flex: 0 0 auto;
  margin-top: 0 !important;
  padding-bottom: 0.5rem !important;
}
body[data-dm-page].dm-thread-open.has-bottom-nav .dm-thread-panel:not([hidden]) {
  margin-bottom: calc(var(--bottom-nav-height, 64px) + env(safe-area-inset-bottom, 0px)) !important;
}
body[data-dm-page].dm-thread-open:not(.has-bottom-nav) .dm-thread-panel:not([hidden]) {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
/* Keyboard open: tab bar hidden (help-chat.css), composer sits on the keyboard. */
body[data-dm-page].dm-thread-open.kb-open .dm-thread-panel:not([hidden]) { margin-bottom: 0 !important; padding-bottom: 0; }
@media (min-width: 641px) {
  body[data-dm-page].dm-thread-open .app-main { padding-bottom: 0.75rem !important; }
  body[data-dm-page].dm-thread-open .dm-compose,
  body[data-dm-page].dm-thread-open [data-dm-group-compose] { padding-bottom: 0.75rem !important; }
}

/* dm-lock-20261009 (Rich 5:47 PM): no document scrolling or animation on the
 * chat screen, so iOS has nothing to scroll when the composer is focused. */
html.dm-chat-lock {
  scroll-behavior: auto !important;
  overflow: hidden !important;
  overscroll-behavior: none;
  height: 100%;
}
html.dm-chat-lock body[data-dm-page].dm-thread-open {
  position: fixed !important;
  top: 0; left: 0; right: 0;
  width: 100%;
  overscroll-behavior: none;
  transform: translate3d(0, var(--dm-vv-top, 0px), 0);
  will-change: transform;
}
html.dm-chat-lock body[data-dm-page].dm-thread-open,
html.dm-chat-lock body[data-dm-page].dm-thread-open *,
html.dm-chat-lock body[data-dm-page].dm-thread-open .bottom-nav {
  transition: none !important;
  animation: none !important;
  scroll-behavior: auto !important;
}
html.dm-chat-lock body[data-dm-page].dm-thread-open .dm-compose textarea,
html.dm-chat-lock body[data-dm-page].dm-thread-open [data-dm-group-compose] textarea,
body[data-dm-page] .dm-compose textarea { font-size: 16px !important; }

/* 30-second unsend. The label stays after the window; the control does not. */
.dm-bubble { position: relative; }

.dm-unsend-button {
  border: 0;
  background: transparent;
  color: #c5c5ce;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0.1rem 0.25rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.dm-unsend-button:hover,
.dm-unsend-button:focus-visible {
  color: #f2f2f6;
}

.dm-unsend-menu {
  position: absolute;
  z-index: 4;
  right: 0.35rem;
  bottom: 1.7rem;
  padding: 0.2rem 0.35rem;
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 20, 0.35);
  background: #121212;
}

html[data-theme="light"] .dm-unsend-button {
  color: #3d5246;
}

html[data-theme="light"] .dm-unsend-menu {
  background: #ffffff;
  border-color: #1b5e20;
}