.connection-tray {
  position: fixed;
  z-index: 18;
  left: 0;
  right: 0;
  bottom: calc(18px + var(--safe-bottom));
  display: flex;
  justify-content: center;
  pointer-events: none;
  animation: dockIn var(--motion-sheet-in) var(--ease-out);
}

.connect-fab {
  position: fixed;
  z-index: 18;
  left: 50%;
  bottom: calc(18px + var(--safe-bottom));
  min-width: 154px;
  height: 54px;
  padding: 0 24px;
  border: 0;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(180deg, #4f95ff, var(--blue));
  box-shadow: 0 16px 34px rgba(52, 125, 245, .28);
  font-size: 15px;
  font-weight: 780;
  cursor: pointer;
  transform: translateX(-50%);
  transition: transform var(--motion-control) var(--ease-out), opacity var(--motion-control) ease;
}

.connect-fab:active:not(:disabled) {
  transform: translateX(-50%) scale(.97);
}

.connect-fab:disabled {
  cursor: default;
  opacity: .54;
}

.nearby-fab {
  position: fixed;
  z-index: 18;
  right: 18px;
  bottom: calc(18px + var(--safe-bottom));
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--composer-border);
  border-radius: 20px;
  color: var(--mint);
  background: var(--composer);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(28px);
  cursor: pointer;
}

.nearby-fab svg {
  width: 28px;
  height: 28px;
}

.nearby-fab path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.nearby-fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  padding: 0 5px;
  border: 2px solid var(--panel-solid);
  border-radius: 999px;
  color: #fff;
  background: #ff3b55;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}

.app-shell[data-mode="disconnecting"] .connection-tray {
  animation: dockOut 500ms var(--ease-in) forwards;
}

.action-dock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--composer-border);
  border-radius: 28px;
  background: var(--composer);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(28px);
  pointer-events: auto;
}

.dock-button {
  position: relative;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 20px;
  color: var(--icon-color, var(--ink-soft));
  background: color-mix(in srgb, var(--icon-color, var(--ink)) 10%, transparent);
  cursor: pointer;
  transition: transform var(--motion-control) var(--ease-out), background var(--motion-control) ease;
}

.dock-control {
  position: relative;
  width: 54px;
  height: 54px;
  display: block;
}

.dock-haptic-switch {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  appearance: auto;
  -webkit-appearance: auto;
  clip-path: inset(0 round 20px);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.dock-button:active {
  transform: scale(.96);
}

.dock-button svg {
  width: 28px;
  height: 28px;
}

.dock-button path,
.dock-button circle {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.dock-button--send {
  --icon-color: var(--purple);
}

.dock-button--receive {
  --icon-color: var(--blue);
}

.dock-button--chat {
  --icon-color: var(--rose);
}

.dock-button--disconnect {
  --icon-color: #ff5b6b;
}

.app-shell[data-mode="connected"] .nearby-fab,
.app-shell[data-mode="disconnecting"] .nearby-fab,
.app-shell[data-mode="connected"] .connect-fab,
.app-shell[data-mode="disconnecting"] .connect-fab {
  display: none;
}

.receive-badge,
.chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  padding: 0 5px;
  border: 2px solid var(--panel-solid);
  border-radius: 999px;
  color: #fff;
  background: #ff3b55;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}

.chat-badge {
  background: #347cff;
}

.selected-files,
.received-list {
  display: grid;
  gap: 8px;
  margin: 14px 0;
}

.selected-file,
.received-file,
.empty-receive {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-subtle);
}

.empty-receive {
  grid-template-columns: 36px minmax(0, 1fr);
}

.selected-file-icon,
.received-file-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--purple);
  background: color-mix(in srgb, var(--purple) 13%, transparent);
  font-size: 15px;
  font-weight: 780;
}

.received-file-icon {
  color: var(--blue);
  background: color-mix(in srgb, var(--blue) 13%, transparent);
}

.selected-file strong,
.received-file strong,
.empty-receive strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selected-file span,
.received-file span,
.empty-receive span {
  color: var(--ink-muted);
  font-size: 11px;
}

.received-file button,
.received-file a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 0;
  border-radius: 12px;
  color: var(--blue);
  background: color-mix(in srgb, var(--blue) 10%, transparent);
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
  cursor: pointer;
}

.received-file-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.received-file-actions button[data-received-intent="view"] {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), #63b3ff);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--blue) 22%, transparent);
}

.received-file button:disabled,
.received-file-state {
  color: var(--ink-muted);
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  box-shadow: none;
  cursor: default;
}

.chat-panel {
  height: clamp(176px, 30dvh, 250px);
  overflow-y: auto;
  display: block;
  margin: 14px 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-solid) 70%, transparent), transparent 32%),
    var(--panel-subtle);
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

.chat-empty {
  min-height: 100%;
  display: grid;
  place-items: center;
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 620;
  text-align: center;
}

.chat-thread {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}

.chat-row {
  display: flex;
  animation: messageIn 280ms var(--ease-out) both;
}

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

.chat-row.is-theirs {
  justify-content: flex-start;
}

.chat-bubble {
  max-width: min(76%, 280px);
  padding: 10px 13px;
  border-radius: 20px;
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--ink) 6%, transparent);
  font-size: 14px;
  line-height: 1.35;
  word-break: break-word;
}

.chat-row.is-mine .chat-bubble {
  color: #ffffff;
  background: var(--blue);
  border-bottom-right-radius: 7px;
}

.chat-row.is-theirs .chat-bubble {
  border-bottom-left-radius: 7px;
}

.chat-box {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.chat-box span {
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 650;
}

.chat-box textarea {
  width: 100%;
  resize: none;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  background: var(--panel-subtle);
  outline: none;
}

[data-chat-sheet] .sheet-primary {
  scroll-margin-bottom: calc(12px + var(--safe-bottom));
}

@keyframes dockIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes dockOut {
  to {
    opacity: 0;
    transform: translateY(18px) scale(.94);
  }
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}