/* -------------------------------------------------------------------------- */
/*                                  Composer                                  */
/* -------------------------------------------------------------------------- */

.bn-ms-composer {
  display: flex;
  align-items: center;
  gap: var(--bn-ms-spacing-sm);
  background: var(--bn-ms-color-surface);
  padding: var(--bn-ms-spacing-sm) var(--bn-ms-spacing-md);
  padding-bottom: calc(var(--bn-ms-spacing-sm) + var(--bn-ms-safe-bottom, 0px));
  flex-shrink: 0;
  width: 100%;
  border-top: 1px solid var(--bn-ms-color-border);
  position: relative;
  z-index: 3;
  min-height: 60px;
}

.bn-ms-composer__input {
  flex: 1;
  border: 1px solid var(--bn-ms-color-border);
  background: var(--bn-ms-color-bg);
  border-radius: var(--bn-ms-radius-pill);
  padding: 0.65rem var(--bn-ms-spacing-md);
  font-size: var(--bn-ms-font-size-sm);
  outline: none;
  font-family: inherit;
  transition: border-color var(--bn-ms-transition-base), box-shadow var(--bn-ms-transition-base), background var(--bn-ms-transition-base);
  line-height: 1.5;
  max-height: 120px;
  resize: none;
}

.bn-ms-composer__input:focus {
  border-color: var(--bn-ms-color-primary);
  background: var(--bn-ms-color-surface);
  box-shadow: 0 0 0 3px var(--bn-ms-color-primary-soft);
}

.bn-ms-composer__input::placeholder {
  color: var(--bn-ms-color-text-soft);
}

.bn-ms-composer__send-btn {
  appearance: none;
  border: none;
  background: var(--bn-ms-color-primary);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-family: inherit;
  font-weight: var(--bn-ms-font-weight-medium);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--bn-ms-transition-base), box-shadow var(--bn-ms-transition-base), filter var(--bn-ms-transition-base);
  box-shadow: var(--bn-ms-shadow-sm);
}

.bn-ms-composer__send-btn:disabled {
  background: var(--bn-ms-color-border);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.6;
}

.bn-ms-composer__send-btn:not(:disabled):hover {
  transform: scale(1.05);
  box-shadow: var(--bn-ms-shadow-md);
}

.bn-ms-composer__send-btn:not(:disabled):active {
  transform: scale(0.95);
}

.bn-ms-composer__send-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--bn-ms-color-primary-soft), var(--bn-ms-shadow-sm);
}

.bn-ms-composer__send-btn .bn-ms-icon {
  font-size: 1.25rem;
  line-height: 1;
}