.chat-nav-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.chat-nav-controls--with-clearance + .chat-nav-controls__flow-clearance {
  display: block;
  min-height: calc(30px + var(--space-6, 32px));
}

.chat-nav-controls__button {
  appearance: none;
  border: 1px solid rgba(107, 114, 128, 0.3);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: currentColor;
  cursor: pointer;
  font: 600 11px/1.2 var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  letter-spacing: 0;
  min-height: 30px;
  padding: 6px 9px;
  opacity: 0.72;
}

.chat-nav-controls__button:hover:not(:disabled),
.chat-nav-controls__button:focus-visible:not(:disabled) {
  border-color: rgba(99, 102, 241, 0.45);
  opacity: 1;
}

.chat-nav-controls__button:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.4);
  outline-offset: 2px;
}

.chat-nav-controls__button:disabled {
  cursor: not-allowed;
  opacity: 0.34;
}

.chat-nav-controls--floating {
  position: fixed;
  top: 12px;
  right: 14px;
  z-index: 1000;
  color: rgba(255, 255, 255, 0.88);
}

.chat-nav-controls--floating .chat-nav-controls__button {
  background: rgba(26, 26, 46, 0.78);
  border-color: rgba(255, 255, 255, 0.14);
}

@media (max-width: 760px) {
  .chat-nav-controls {
    gap: 4px;
  }

  .chat-nav-controls__button {
    min-height: 28px;
    padding: 5px 8px;
  }
}