/* Wall-poster download dialog (#389) — the size picker + action row launched
   from the "Save this tree" chooser's Wall poster tile. Heritage tokens only;
   mirrors the calm card language of the Add/Tools choosers. */

.poster-dialog {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.poster-dialog__intro {
  margin: 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text-muted);
}

/* Two size cards side by side (they stack on a narrow phone). Each is a radio
   in a radiogroup — selectable, with a clear selected + focus state. */
.poster-dialog__sizes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.poster-dialog__size {
  flex: 1 1 8rem;
  min-height: var(--touch-target-min);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.poster-dialog__size:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-alt);
}

.poster-dialog__size:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.poster-dialog__size--selected {
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

@media (prefers-reduced-motion: no-preference) {
  .poster-dialog__size:active {
    transform: scale(0.98);
  }
}

.poster-dialog__size-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.poster-dialog__size--selected .poster-dialog__size-name {
  color: var(--color-accent-hover);
}

.poster-dialog__size-dim {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.poster-dialog__status {
  margin: 0;
  font-size: var(--font-size-sm);
  font-style: italic;
  color: var(--color-text-muted);
}

.poster-dialog__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* On a narrow phone the actions stack full-width so each stays a comfortable
   tap target and nothing crowds off the edge. */
@media (max-width: 480px) {
  .poster-dialog__actions {
    justify-content: stretch;
  }

  .poster-dialog__actions .btn {
    flex: 1 1 100%;
  }
}