/* =========================================================
 * ニーゴキャラクターソート v2.0 - pjsekai-nigo-wiki.jp
 * N25テーマ + SWELL統合スタイル
 * ========================================================= */

/* --- カスタムプロパティ --- */
.nigo-sorter {
  --nigo-primary: #5B4E8C;
  --nigo-primary-dark: #463A6E;
  --nigo-primary-light: #7B6EAC;
  --nigo-secondary: #1991DB;
  --nigo-bg-card: #FFFFFF;
  --nigo-bg-area: #F8F7FC;
  --nigo-text: #333333;
  --nigo-text-light: #666666;
  --nigo-text-muted: #999999;
  --nigo-border: #E8E5F0;
  --nigo-progress: #4CAF50;
  --nigo-vs: #E74C3C;
  --nigo-share-x: #000000;
  --nigo-share-copy: #5B4E8C;
  --nigo-rank-gold: #FFD700;
  --nigo-rank-silver: #C0C0C0;
  --nigo-rank-bronze: #CD7F32;
  --nigo-radius: 12px;
  --nigo-radius-sm: 8px;
  --nigo-shadow: 0 2px 8px rgba(91, 78, 140, 0.1);
  --nigo-shadow-hover: 0 6px 16px rgba(91, 78, 140, 0.15);
  --nigo-transition: 0.25s ease;
}

/* --- ルートコンテナ --- */
.nigo-sorter {
  max-width: 800px;
  margin: 0 auto;
  font-family: inherit;
  color: var(--nigo-text);
}

/* =========================================================
 * スタート画面
 * ========================================================= */
.nigo-sorter__start {
  text-align: center;
  padding: 40px 20px;
  background: var(--nigo-bg-card);
  border-radius: var(--nigo-radius);
  box-shadow: var(--nigo-shadow);
  margin-bottom: 30px;
}

.nigo-sorter__start-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 16px;
  color: var(--nigo-primary);
}

.nigo-sorter__start-desc {
  font-size: 0.95em;
  color: var(--nigo-text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

.nigo-sorter__btn {
  display: inline-block;
  padding: 14px 32px;
  border: none;
  border-radius: var(--nigo-radius-sm);
  font-size: 1em;
  font-weight: bold;
  cursor: pointer;
  transition: background-color var(--nigo-transition), transform var(--nigo-transition);
  line-height: 1.4;
  text-decoration: none;
}

.nigo-sorter__btn:focus-visible {
  outline: 3px solid var(--nigo-primary-light);
  outline-offset: 2px;
}

.nigo-sorter__btn--primary {
  background-color: var(--nigo-primary);
  color: #fff;
}

.nigo-sorter__btn--primary:hover {
  background-color: var(--nigo-primary-dark);
  transform: translateY(-1px);
}

.nigo-sorter__btn--primary:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  transform: none;
}

/* =========================================================
 * ソートエリア
 * ========================================================= */
.nigo-sorter__sorter-area {
  padding: 24px 20px;
  background: var(--nigo-bg-card);
  border-radius: var(--nigo-radius);
  box-shadow: var(--nigo-shadow);
  margin-bottom: 30px;
}

/* --- プログレスバー --- */
.nigo-sorter__progress {
  margin-bottom: 24px;
}

.nigo-sorter__progress-text {
  text-align: center;
  font-size: 0.9em;
  color: var(--nigo-text-light);
  margin-bottom: 8px;
}

.nigo-sorter__progress-bar {
  width: 100%;
  height: 8px;
  background-color: #f0f0f0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nigo-sorter__progress-fill {
  height: 100%;
  width: 0;
  background-color: var(--nigo-progress);
  border-radius: 4px;
  transition: width 0.4s ease-in-out;
}

/* --- 比較エリア --- */
.nigo-sorter__comparison {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 16px;
  margin-bottom: 20px;
}

/* アニメーション */
.nigo-sorter__comparison--exiting {
  animation: nigoFadeOut 0.2s ease-out forwards;
}

.nigo-sorter__comparison--entering {
  animation: nigoFadeIn 0.25s ease-out forwards;
}

@keyframes nigoFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

@keyframes nigoFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- キャラカード --- */
.nigo-sorter__card {
  flex: 1;
  max-width: 280px;
  padding: 24px 16px;
  text-align: center;
  background: var(--nigo-bg-card);
  border: 1px solid var(--nigo-border);
  border-radius: var(--nigo-radius);
  box-shadow: var(--nigo-shadow);
  transition: transform var(--nigo-transition), box-shadow var(--nigo-transition);
}

.nigo-sorter__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--nigo-shadow-hover);
}

.nigo-sorter__card-img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto 16px;
  border: 3px solid var(--nigo-border);
  transition: border-color var(--nigo-transition);
}

.nigo-sorter__card:hover .nigo-sorter__card-img {
  border-color: var(--nigo-primary-light);
}

.nigo-sorter__card-name {
  font-size: 1.05em;
  font-weight: bold;
  margin-bottom: 16px;
  min-height: 2.4em;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nigo-sorter__card .nigo-sorter__btn {
  width: 80%;
}

/* --- VS --- */
.nigo-sorter__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6em;
  font-weight: bold;
  color: var(--nigo-vs);
  flex-shrink: 0;
  width: 48px;
}

/* --- 戻るボタン --- */
.nigo-sorter__undo {
  display: block;
  margin: 16px auto 0;
  padding: 10px 20px;
  background-color: #6c757d;
  color: #fff;
  border: none;
  border-radius: var(--nigo-radius-sm);
  font-size: 0.9em;
  cursor: pointer;
  transition: background-color var(--nigo-transition);
}

.nigo-sorter__undo:hover:not(:disabled) {
  background-color: #5a6268;
}

.nigo-sorter__undo:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
}

.nigo-sorter__undo:focus-visible {
  outline: 3px solid var(--nigo-primary-light);
  outline-offset: 2px;
}

/* =========================================================
 * 結果エリア
 * ========================================================= */
.nigo-sorter__result-area {
  padding: 24px 20px;
  background: var(--nigo-bg-card);
  border-radius: var(--nigo-radius);
  box-shadow: var(--nigo-shadow);
  margin-bottom: 30px;
}

.nigo-sorter__result-title,
.nigo-sorter__ranking-title {
  text-align: center;
  color: var(--nigo-primary);
  margin-bottom: 20px;
}

/* --- 個人結果リスト --- */
.nigo-sorter__result-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.nigo-sorter__result-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--nigo-border);
  animation: nigoSlideIn 0.3s ease-out both;
}

.nigo-sorter__result-item:last-child {
  border-bottom: none;
}

@keyframes nigoSlideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.nigo-sorter__result-rank {
  font-weight: bold;
  font-size: 1.1em;
  min-width: 36px;
  color: var(--nigo-primary);
}

.nigo-sorter__result-rank--top1 { color: var(--nigo-rank-gold); }
.nigo-sorter__result-rank--top2 { color: var(--nigo-rank-silver); }
.nigo-sorter__result-rank--top3 { color: var(--nigo-rank-bronze); }

.nigo-sorter__result-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 16px;
  flex-shrink: 0;
}

.nigo-sorter__result-name {
  font-size: 1em;
  font-weight: 500;
}

/* --- シェアボタン --- */
.nigo-sorter__share-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.nigo-sorter__btn--copy {
  background-color: var(--nigo-share-copy);
  color: #fff;
}

.nigo-sorter__btn--copy:hover:not(:disabled) {
  background-color: var(--nigo-primary-dark);
}

.nigo-sorter__btn--x {
  background-color: var(--nigo-share-x);
  color: #fff;
}

.nigo-sorter__btn--x:hover {
  background-color: #333;
}

/* --- リスタートボタン --- */
.nigo-sorter__restart {
  display: block;
  margin: 24px auto 0;
}

/* --- エラーメッセージ --- */
.nigo-sorter__error {
  color: #dc3545;
  font-size: 0.9em;
  text-align: center;
  padding: 8px;
  margin: 8px 0;
  display: none;
}

/* --- グローバルランキング --- */
.nigo-sorter__ranking-section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--nigo-border);
}

.nigo-sorter__ranking-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nigo-sorter__ranking-item {
  display: flex;
  align-items: center;
  padding: 10px 8px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.95em;
}

.nigo-sorter__ranking-item:last-child {
  border-bottom: none;
}

.nigo-sorter__ranking-rank {
  font-weight: bold;
  min-width: 32px;
  color: var(--nigo-primary);
}

.nigo-sorter__ranking-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 12px;
  flex-shrink: 0;
}

.nigo-sorter__ranking-name {
  font-weight: 500;
  margin-right: 8px;
}

.nigo-sorter__ranking-stats {
  font-size: 0.85em;
  color: var(--nigo-text-muted);
  margin-left: auto;
  white-space: nowrap;
}

.nigo-sorter__ranking-empty {
  text-align: center;
  padding: 16px;
  color: var(--nigo-text-muted);
}

/* --- スケルトンローダー --- */
.nigo-sorter__ranking-skeleton {
  display: flex;
  align-items: center;
  padding: 10px 8px;
  border-bottom: 1px solid #f0f0f0;
}

.nigo-sorter__skeleton-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(90deg, #eee 25%, #ddd 50%, #eee 75%);
  background-size: 200% 100%;
  animation: nigoShimmer 1.5s infinite;
  margin-right: 12px;
  flex-shrink: 0;
}

.nigo-sorter__skeleton-line {
  height: 14px;
  flex: 1;
  max-width: 200px;
  border-radius: 4px;
  background: linear-gradient(90deg, #eee 25%, #ddd 50%, #eee 75%);
  background-size: 200% 100%;
  animation: nigoShimmer 1.5s infinite;
}

@keyframes nigoShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =========================================================
 * レスポンシブ
 * ========================================================= */

/* --- タブレット (600px - 959px) --- */
@media (max-width: 959px) {
  .nigo-sorter__card {
    max-width: 220px;
    padding: 20px 12px;
  }

  .nigo-sorter__card-img {
    width: 120px;
    height: 120px;
  }

  .nigo-sorter__vs {
    font-size: 1.4em;
    width: 40px;
  }
}

/* --- モバイル (<600px) --- */
@media (max-width: 599px) {
  .nigo-sorter__start {
    padding: 24px 16px;
  }

  .nigo-sorter__start-title {
    font-size: 1.2em;
  }

  .nigo-sorter__sorter-area,
  .nigo-sorter__result-area {
    padding: 16px 12px;
  }

  .nigo-sorter__comparison {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .nigo-sorter__card {
    max-width: 100%;
    width: 90%;
    padding: 16px 12px;
  }

  .nigo-sorter__card-img {
    width: 100px;
    height: 100px;
    margin-bottom: 12px;
  }

  .nigo-sorter__card-name {
    font-size: 0.95em;
    min-height: auto;
    margin-bottom: 12px;
  }

  .nigo-sorter__card .nigo-sorter__btn {
    padding: 10px 20px;
    width: 70%;
  }

  .nigo-sorter__vs {
    font-size: 1.3em;
    width: auto;
    padding: 4px 0;
  }

  .nigo-sorter__share-buttons {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .nigo-sorter__share-buttons .nigo-sorter__btn {
    width: 80%;
    text-align: center;
  }

  .nigo-sorter__result-item {
    padding: 10px 8px;
  }

  .nigo-sorter__result-img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
  }

  .nigo-sorter__ranking-stats {
    font-size: 0.8em;
  }
}

/* =========================================================
 * アクセシビリティ: 動きの低減
 * ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .nigo-sorter__comparison--exiting,
  .nigo-sorter__comparison--entering,
  .nigo-sorter__result-item,
  .nigo-sorter__skeleton-circle,
  .nigo-sorter__skeleton-line,
  .nigo-sorter__progress-fill {
    animation: none !important;
    transition: none !important;
  }
}