/* 画像生成AIプロンプトビルダーのCSS。クラス名の接頭辞は pb- */

.pb-field { border: 0; margin: 0 0 18px; padding: 0; min-width: 0; }
.pb-field[hidden] { display: none; }
.pb-field legend { padding: 0; margin-bottom: 6px; }
.pb-sublabel { margin-top: 10px; }

/* 選択ボタン */
.pb-chips, .pb-purposes { display: flex; flex-wrap: wrap; gap: 6px; }
.pb-chip {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 36px; padding: 4px 12px; font: inherit; font-size: .875rem; line-height: 1.4;
  color: var(--tk-text); background: var(--tk-surface); cursor: pointer;
  border: 1px solid var(--tk-border-strong); border-radius: 999px;
}
.pb-chip:hover { background: var(--tk-surface-2); }
.pb-chip:focus-visible { outline: 2px solid var(--tk-focus); outline-offset: 2px; }
.pb-chip[aria-pressed="true"] {
  background: var(--tk-accent); border-color: var(--tk-accent); color: var(--tk-accent-contrast); font-weight: 600;
}
.pb-chip:disabled { opacity: .45; cursor: not-allowed; }
.pb-purposes .pb-chip { min-height: 40px; }

/* 色見本 */
.pb-swatch { display: inline-flex; border-radius: 4px; overflow: hidden; border: 1px solid var(--tk-border); }
.pb-swatch span { display: block; width: 10px; height: 16px; }

.pb-hex { margin-top: 10px; }
.pb-hex__rows { display: grid; gap: 6px; margin-top: 4px; }
.pb-hex__row { display: flex; gap: 6px; align-items: center; }
.pb-hex__picker {
  flex: 0 0 40px; width: 40px; height: 36px; padding: 2px; cursor: pointer;
  border: 1px solid var(--tk-border-strong); border-radius: var(--tk-radius-sm); background: var(--tk-surface);
}
.pb-hex__text { flex: 1; min-width: 0; font-family: var(--tk-mono); }

/* スライダー */
.pb-slider input[type="range"] { width: 100%; accent-color: var(--tk-accent); }
.pb-slider__scale { display: flex; justify-content: space-between; }

/* 出力 */
.pb-out { margin-bottom: 14px; }
.pb-out__title { font-size: 1rem; margin: 0 0 6px; }
.pb-out__sub { font-size: .8125rem; font-weight: 600; margin: 6px 0 2px; }
.pb-out pre, .pb-gallery pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 240px; overflow-y: auto; }
.pb-warn { color: var(--tk-warning); margin: 4px 0 0; }
.pb-try {
  margin-top: 14px; padding: 12px 14px; border-radius: var(--tk-radius-sm);
  background: var(--tk-surface-2); border: 1px solid var(--tk-border);
}
.pb-try p { margin: 6px 0 0; }

/* 履歴 */
.pb-history { margin-top: var(--tk-gap); }
.pb-entries { list-style: none; margin: 0; padding: 0; max-height: 560px; overflow-y: auto; }
.pb-entry { border-bottom: 1px solid var(--tk-border); padding: 10px 0; }
.pb-entry:last-child { border-bottom: 0; }
.pb-entry__head { margin: 0 0 4px; }
.pb-entry__text {
  margin: 0 0 4px; overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.pb-entry__text--en { font-size: .875rem; color: var(--tk-text-muted); -webkit-line-clamp: 2; }

/* ギャラリー */
.pb-gallery { display: grid; gap: var(--tk-gap); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .pb-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.pb-gallery > .tk-result-empty { grid-column: 1 / -1; }
.pb-gallery-admin { margin-bottom: var(--tk-gap); }
.pb-gallery__item {
  margin: 0; background: var(--tk-surface); border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius); overflow: hidden;
}
.pb-gallery__item img { display: block; width: 100%; height: auto; background: var(--tk-surface-2); }
.pb-gallery__item figcaption { padding: 10px 12px; }
.pb-gallery__item figcaption p { margin: 0 0 6px; }
.pb-gallery__item summary { cursor: pointer; font-weight: 600; }