:root {
  --bg: #f5f5f5;
  --panel: #ffffff;
  --text: #1a1a1a;
  --muted: #888;
  --border: #e0e0e0;
  --accent: #1a1a1a;
  --accent-hover: #333;
  --soft: #f0f0f0;
}
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif; background: var(--bg); color: var(--text); margin: 0; padding: 0; line-height: 1.6; letter-spacing: 0.02em; }
header { padding: 2rem 1rem 1rem; text-align: center; border-bottom: 1px solid var(--border); background: var(--panel); }
header h1 { margin: 0; font-weight: 300; font-size: 1.8rem; letter-spacing: 0.2em; }
main { max-width: 720px; margin: 1.5rem auto; padding: 0 1rem; }
.panel { background: var(--panel); border: 1px solid var(--border); padding: 1.5rem; margin-bottom: 1rem; }
.panel h2 { margin: 0 0 1rem; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.panel-head h2 { margin: 0; }

input, textarea, select { width: 100%; padding: 0.7rem 0.8rem; margin-bottom: 0.6rem; border: 1px solid var(--border); border-radius: 0; background: var(--panel); color: var(--text); font-size: 0.95rem; font-family: inherit; }
textarea { min-height: 4rem; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

/* チェックボックス・ラジオは width:100% を打ち消す */
input[type="checkbox"], input[type="radio"] {
  width: auto;
  margin: 0 0.4rem 0 0;
  vertical-align: middle;
  padding: 0;
}

button { background: var(--accent); color: white; border: none; padding: 0.7rem 1.4rem; font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer; transition: background 0.15s, transform 0.12s, box-shadow 0.12s; }
button:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
button:active { transform: translateY(0); box-shadow: none; }

.toggle-btn { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 0.4rem 0.8rem; font-size: 0.7rem; }
.toggle-btn:hover { background: var(--soft); color: var(--text); }

/* Add a Card 専用 CTA トグル */
.add-card-toggle {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  transition: background 0.15s, transform 0.12s;
}
.add-card-toggle:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  color: white;
}

.pick-controls { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1rem; }
.pick-controls label { font-size: 0.85rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; }

/* 「引く」ボタン専用スタイル */
.pick-primary-btn {
  display: block;
  width: 100%;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-align: center;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s, box-shadow 0.12s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  margin-bottom: 0.8rem;
}
.pick-primary-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}
.pick-primary-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.picked-area { padding: 1.5rem; background: var(--soft); text-align: center; font-size: 1.1rem; min-height: 3rem; transition: background 0.3s; }
.picked-area:empty { display: none; }
.picked-area strong { display: block; margin-bottom: 0.4rem; }
.picked-area .meta { color: var(--muted); font-size: 0.8rem; }

/* シャッフル中のスタイル */
.picked-area.shuffle-animating {
  background: var(--soft);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 4rem;
}
.shuffle-card-title {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  animation: shuffleFlicker 0.12s ease-in-out;
  color: var(--text);
}
@keyframes shuffleFlicker {
  0%   { opacity: 0; transform: translateY(6px) scale(0.97); }
  40%  { opacity: 1; transform: translateY(0)   scale(1); }
  100% { opacity: 1; transform: translateY(0)   scale(1); }
}

/* 結果が確定したときのフェードイン */
.picked-area.reveal-result {
  animation: revealCard 0.5s ease-out forwards;
}
@keyframes revealCard {
  0%   { opacity: 0; transform: scale(0.96); }
  60%  { opacity: 1; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}
/* 空状態ガイド */
.empty-state { padding: 0.5rem 0; }
.empty-state-icon { font-size: 2rem; margin-bottom: 0.4rem; }
.empty-state-title { font-weight: 600; font-size: 1rem; margin-bottom: 0.3rem; }
.empty-state-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* 紙吹雪 Canvas */
#confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  display: none;
}

/* 候補リスト */
.shortlist-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.shortlist-label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.shortlist-label #shortlist-count { display: inline-block; min-width: 1.2em; background: var(--accent); color: white; border-radius: 99px; font-size: 0.7rem; text-align: center; padding: 0 0.35em; margin-left: 0.3em; }
.shortlist-header-actions { display: flex; gap: 0.4rem; }

.shortlist-pick-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s;
}
.shortlist-pick-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

.shortlist-clear-btn { font-size: 0.75rem; padding: 0.35rem 0.7rem; }

.shortlist-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.4rem; }
.shortlist-chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--accent); color: white;
  padding: 0.25rem 0.5rem 0.25rem 0.65rem;
  font-size: 0.8rem; letter-spacing: 0.02em;
  animation: chipIn 0.15s ease-out;
}
@keyframes chipIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}
.shortlist-chip-remove {
  background: none; border: none; color: rgba(255,255,255,0.7);
  cursor: pointer; font-size: 0.75rem; padding: 0 0.1rem;
  line-height: 1; letter-spacing: 0; text-transform: none;
  transition: color 0.1s;
}
.shortlist-chip-remove:hover { background: none; color: white; transform: none; box-shadow: none; }

.shortlist-hint { font-size: 0.78rem; color: var(--muted); margin: 0.2rem 0 0.6rem; }

/* ☆ボタン */
.shortlist-star-btn {
  background: none; border: none; font-size: 1.1rem;
  color: var(--muted); cursor: pointer; padding: 0.2rem 0.3rem;
  line-height: 1; letter-spacing: 0; text-transform: none;
  transition: color 0.15s, transform 0.12s;
  flex-shrink: 0;
}
.shortlist-star-btn:hover { background: none; color: var(--text); transform: scale(1.2); box-shadow: none; }
.shortlist-star-btn.active { color: #f0a500; }
.shortlist-star-btn.active:hover { background: none; color: #c88000; transform: scale(1.2); box-shadow: none; }

/* 仕切り線 */
.pick-divider { text-align: center; font-size: 0.75rem; color: var(--muted); margin: 1rem 0 0.8rem; letter-spacing: 0.05em; }

.pick-actions { display: flex; gap: 0.5rem; margin-top: 0.8rem; flex-wrap: wrap; }

ul { list-style: none; padding: 0; margin: 0; }

/* コンパクトなカード一覧 */
.card-list.compact li { display: flex; align-items: center; gap: 0.8rem; padding: 0.7rem 0; border-bottom: 1px solid var(--border); cursor: pointer; transition: background 0.15s; }
.card-list.compact li:last-child { border-bottom: none; }
.card-list.compact li:hover { background: var(--soft); }
.card-list.compact .thumb { width: 48px; height: 48px; object-fit: cover; background: var(--soft); flex-shrink: 0; }
.card-list.compact .thumb-placeholder { width: 48px; height: 48px; background: var(--soft); flex-shrink: 0; }
.card-list.compact .card-main { flex: 1; min-width: 0; }
.card-list.compact .card-title { font-weight: 500; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-list.compact .chevron { color: var(--muted); font-size: 0.8rem; }

.history-list li { padding: 0.9rem 0; border-bottom: 1px solid var(--border); }
.history-list li:last-child { border-bottom: none; }

.card-image { width: 100%; aspect-ratio: 1/1; object-fit: cover; margin: 0.5rem 0; background: var(--soft); }
.picked-area .card-image { max-width: 320px; margin: 0.8rem auto; display: block; }

.card-meta { color: var(--muted); font-size: 0.75rem; margin-top: 0.3rem; letter-spacing: 0.05em; }
.row-actions { margin-top: 0.5rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
.row-actions button { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 0.3rem 0.7rem; font-size: 0.7rem; }
.row-actions button:hover { background: var(--accent); color: white; border-color: var(--accent); }

/* タグチップ表示 */
.tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.3rem; }
.tag { font-size: 0.7rem; padding: 0.15rem 0.5rem; background: #e8e8e8; border: 1px solid #ccc; color: #444; letter-spacing: 0.03em; font-weight: 500; }

/* タグフィルターボタン群 */
.tag-filter { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.6rem; }
.tag-filter:empty::before { content: '(タグが登録されたカードを追加すると表示されます)'; font-size: 0.75rem; color: var(--muted); }
.tag-btn { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 0.3rem 0.7rem; font-size: 0.75rem; cursor: pointer; letter-spacing: 0.05em; text-transform: none; }
.tag-btn:hover { background: var(--soft); color: var(--text); }
.tag-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

.image-preview { width: 120px; height: 120px; object-fit: cover; background: var(--soft); border: 1px solid var(--border); margin: 0.3rem 0 0.6rem; display: block; }
.image-preview.hidden { display: none; }

.hidden { display: none; }

/* モーダル（dialog 要素） */
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 1rem; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(2px); }

dialog.modal-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 100vw;
  max-height: 100vh;
  overflow: visible;
}
dialog.modal-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}
dialog.modal-dialog .modal-content {
  animation: modalIn 0.2s ease-out;
}
.modal-content { position: relative; background: var(--panel); border: 1px solid var(--border); padding: 2rem; max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2); animation: modalIn 0.2s ease-out; }
@keyframes modalIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.modal-content h2 { margin: 0 0 1.5rem; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.modal-content label { display: block; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.3rem; margin-top: 0.6rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1.5rem; flex-wrap: wrap; }
.ghost-btn { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.ghost-btn:hover { background: var(--soft); color: var(--text); }
.danger-btn { background: transparent; color: #c44; border: 1px solid #c44; }
.danger-btn:hover { background: #c44; color: white; }

/* 詳細モーダル内の note 表示 */
.detail-note { margin-top: 1rem; }
.detail-note textarea { min-height: 5rem; }
.detail-history { margin-top: 1.2rem; }
.detail-history h3 { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.5rem; }
.detail-history-item { display: flex; justify-content: space-between; align-items: center; padding: 0.4rem 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.detail-history-item:last-child { border-bottom: none; }
.detail-history-item .date { color: var(--muted); font-size: 0.75rem; }