/* Reset & Variables */
.ss-app {
  /* 修正: カラーコンセプトに基づき軽い配色に変更 */
  --ss-bg: #FAFAFA;
  --ss-panel: #FFFFFF;
  --ss-line: #E8E8E8;
  --ss-txt: #2C3E50;
  --ss-muted: #7F8C8D;
  --ss-primary: #1e3a5f;
  --ss-accent: #d4af37;
  --ss-danger: #dc2626;
  --ss-ok: #16a34a;
  /* 修正: 座席色を明るく柔らかく変更 */
  --ss-boy: #6DB3FF;
  --ss-girl: #FFB3D9;
  --ss-unknown: #F0F0F0;
  --ss-seat: #ffffff;
  --ss-shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
  --ss-radius: 14px;
}

.ss-app * {
  box-sizing: border-box;
}

.ss-app {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ss-txt);
  background: transparent;
  padding: 0;
  margin: 0;
}

/* Container */
.ss-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 14px 0 14px; /* 下余白を0に */
}

.ss-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* Screen Layout — 座席グリッド＋サイドバーの2カラム */
.ss-grid-settings {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) {
  .ss-grid-settings {
    grid-template-columns: 1fr;
  }
}

/* Card */
.ss-card {
  background: var(--ss-panel);
  border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius);
  box-shadow: var(--ss-shadow);
  overflow: hidden;
}

.ss-card .ss-hd {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ss-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ヘッダー外の操作系 */
.ss-controls-below-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ss-line);
  background: var(--ss-panel);
}

.ss-card .ss-hd h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.ss-hd-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ss-steps {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.ss-step {
  padding: 8px 14px;
  border: 1px solid var(--ss-line);
  background: var(--ss-panel);
  border-radius: 999px;
  font-size: 14px;
  color: var(--ss-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.ss-step.ss-active {
  border-color: rgba(30, 58, 95, 0.35);
  color: var(--ss-txt);
  box-shadow: 0 6px 16px rgba(30, 58, 95, 0.12);
  font-weight: 700;
}

.ss-hd-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* 修正: ヘルプボタンを枠線のみに変更 */
.ss-help-btn {
  background: #fff;
  color: var(--ss-accent);
  border: 2px solid var(--ss-accent);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 800;
}

.ss-help-btn:hover {
  background: var(--ss-accent);
  color: var(--ss-primary);
}

/* ツールバーインライン（すべて横並び） */
.ss-toolbar-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-direction: row;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .ss-card .ss-hd {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .ss-hd-left {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .ss-hd-toolbar {
    width: 100%;
    flex-wrap: wrap;
  }
}

.ss-card .ss-bd {
  padding: 12px 14px;
}

/* Sidebar */
.ss-sidebar {
  background: var(--ss-panel);
  border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius);
  box-shadow: var(--ss-shadow);
  padding: 12px 10px;
  position: sticky;
  top: 70px;
  height: 100%; /* 座席グリッドと同じ高さ */
  box-sizing: border-box;
  overflow-y: auto;
}

/* サイドバー内ボタン */
.ss-sidebar .ss-btn {
  font-size: 13px !important;
  padding: 10px 8px !important;
  width: 100% !important;
}

.ss-sidebar .ss-name-mode-select {
  font-size: 13px !important;
  width: 100% !important;
}

.ss-sidebar-section {
  margin-bottom: 12px;
}

.ss-sidebar-section:last-child {
  margin-bottom: 0;
}

/* タイトル行（タイトル＋ボタン） */
.ss-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* アイコンボタン（小さめ） */
.ss-btn-icon {
  padding: 8px 12px;
  font-size: 16px;
  min-width: auto;
  flex-shrink: 0;
}

.ss-sidebar-title {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--ss-txt);
}

.ss-app-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--ss-txt);
  text-align: center;
  padding: 8px 0;
}

/* Typography */
.ss-muted {
  color: var(--ss-muted);
  font-size: 14px;
  line-height: 1.6;
}

.ss-hint {
  font-size: 13px;
  color: var(--ss-muted);
  line-height: 1.5;
}

/* Form Elements */
.ss-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.ss-row + .ss-row {
  margin-top: 10px;
}

/* ボタン行（2カラム・3カラム対応） */
.ss-btn-row {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.ss-btn-row:has(> :nth-child(2):last-child) {
  grid-template-columns: 1fr 1fr;
}

.ss-btn-row:has(> :nth-child(3):last-child) {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 768px) {
  .ss-btn-row {
    grid-template-columns: 1fr !important;
  }
}

.ss-app label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ss-muted);
  display: block;
  margin-bottom: 5px;
}

.ss-app input[type="number"],
.ss-app input[type="text"],
.ss-app select,
.ss-app textarea {
  width: 100%;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid var(--ss-line);
  background: #fff;
  color: var(--ss-txt);
  outline: none;
  font-size: 16px;
}

.ss-app textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}

.ss-app input:focus,
.ss-app textarea:focus,
.ss-app select:focus {
  border-color: var(--ss-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}

/* Buttons */
.ss-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  width: 100%;
  justify-content: center;
}

/* 修正: ボタンの背景色と文字色を反転、文字色と同じ枠線を追加 */
.ss-btn.ss-primary {
  background: #fff !important;
  color: var(--ss-primary) !important;
  border: 2px solid var(--ss-primary) !important;
}

.ss-btn.ss-primary:hover {
  background: var(--ss-primary) !important;
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.3);
}

.ss-btn.ss-primary:active {
  transform: translateY(1px);
}

.ss-btn.ss-ghost {
  background: #fff !important;
  border: 2px solid var(--ss-line) !important;
  color: var(--ss-txt) !important;
}

.ss-btn.ss-ghost:hover {
  background: #f8fafc !important;
  border-color: var(--ss-primary) !important;
  color: var(--ss-primary) !important;
}

.ss-btn.ss-secondary {
  background: var(--ss-primary) !important;
  color: var(--ss-accent) !important;
  border: 2px solid var(--ss-accent) !important;
}

.ss-btn.ss-secondary:hover {
  background: var(--ss-accent) !important;
  color: var(--ss-primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.ss-btn.ss-danger {
  background: #fff !important;
  color: var(--ss-danger) !important;
  border: 2px solid var(--ss-danger) !important;
}

.ss-btn.ss-danger:hover {
  background: var(--ss-danger) !important;
  color: #fff !important;
}

.ss-btn.ss-ok {
  background: #fff !important;
  color: var(--ss-ok) !important;
  border: 2px solid var(--ss-ok) !important;
}

.ss-btn.ss-ok:hover {
  background: var(--ss-ok) !important;
  color: #fff !important;
}

.ss-btn.ss-small {
  padding: 9px 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  width: auto;
}

.ss-btn.ss-btn-compact {
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  width: auto;
  white-space: nowrap;
}

.ss-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Chips */
.ss-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--ss-line);
  background: #fff;
  font-size: 12px;
  color: var(--ss-muted);
}

.ss-hr {
  height: 1px;
  background: var(--ss-line);
  margin: 8px 0;
}

/* Stats Row */
.ss-stat-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* Seat Grid */
.ss-seat-wrap {
  padding: 12px;
  flex: 1;
}

.ss-fixed-seat-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.ss-fixed-seat-actions .ss-fixed-seat-label {
  font-weight: 800;
}

.ss-toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ss-toolbar-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ss-txt);
  white-space: nowrap;
  cursor: pointer;
  margin: 0;
}

.ss-legend {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.ss-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ss-muted);
}

.ss-swatch {
  width: 14px;
  height: 14px;
  border-radius: 5px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.ss-swatch.ss-boy-swatch {
  background: var(--ss-boy);
}

.ss-swatch.ss-girl-swatch {
  background: var(--ss-girl);
}

.ss-swatch.ss-unknown-swatch {
  background: var(--ss-unknown);
}

/* 名前表示切り替えドロップダウン */
.ss-name-mode-select {
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--ss-line);
  background: #fff;
  font-size: 14px;
  font-weight: 700;
  color: var(--ss-txt);
  cursor: pointer;
  outline: none;
  min-width: 110px;
}

/* 手動入れ替えチェックボックス */
.ss-toolbar-group input[type="checkbox"] {
  transform: scale(1.2);
  cursor: pointer;
}

/* トグルボタン */
.ss-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ss-txt);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  outline: none;
}

.ss-toggle-btn:hover .ss-toggle-label {
  color: var(--ss-accent);
}

/* トグルスイッチ本体 */
.ss-toggle-icon {
  position: relative;
  width: 51px;
  height: 31px;
  background: #bbb; /* OFF: グレー */
  border-radius: 31px;
  transition: background-color 0.3s ease;
  flex-shrink: 0;
}

.ss-toggle-icon::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.ss-toggle-btn.ss-active .ss-toggle-icon {
  background: #2ecc71 !important; /* ON: 緑 */
}

.ss-toggle-btn.ss-active .ss-toggle-icon::before {
  transform: translateX(20px);
}

.ss-toggle-label {
  white-space: nowrap;
}

/* 小さいトグルボタン（条件設定用） */
.ss-toggle-btn.ss-toggle-sm {
  gap: 8px;
  font-size: 12px;
}

.ss-toggle-btn.ss-toggle-sm .ss-toggle-icon {
  width: 40px;
  height: 24px;
}

.ss-toggle-btn.ss-toggle-sm .ss-toggle-icon::before {
  width: 20px;
  height: 20px;
}

.ss-toggle-btn.ss-toggle-sm.ss-active .ss-toggle-icon::before {
  transform: translateX(16px);
}

/* 全画面エリア */
.ss-fullscreen-area {
  position: relative;
}

.ss-fullscreen-area:fullscreen {
  background: linear-gradient(180deg, #f6f7fb 0%, #eef2ff 100%);
  padding: 14px;
  overflow: auto;
}

/* 全画面時に非表示 */
.ss-hide-fullscreen {
  display: block;
}

.ss-fullscreen-area:fullscreen .ss-hide-fullscreen {
  display: none !important;
}

.ss-fullscreen-area:fullscreen .ss-fullscreen-header-controls {
  display: flex;
}

/* 拡大縮小UI（全画面のときだけ表示） */
.ss-zoom-ui {
  display: none;
}

.ss-fullscreen-area:fullscreen .ss-zoom-ui {
  display: flex;
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 2147483647;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.10);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.20);
  backdrop-filter: blur(6px);
  align-items: center;
}

/* 区切り線 */
.ss-zoom-divider {
  width: 1px;
  height: 40px;
  background: rgba(15, 23, 42, 0.15);
  margin: 0 4px;
}

.ss-zoom-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #fff;
  font-weight: 900;
  font-size: 14px;
  color: var(--ss-txt);
}

.ss-zoom-btn {
  padding: 10px 12px;
  border-radius: 12px;
  border: 2px solid var(--ss-accent);
  background: #fff;
  color: var(--ss-accent);
  font-weight: 900;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.12);
  transition: all 0.2s ease;
  outline: none;
}

.ss-zoom-btn:hover {
  background: var(--ss-accent);
  color: var(--ss-primary);
}

.ss-zoom-btn:active {
  transform: translateY(1px);
}

.ss-seat-grid {
  display: grid;
  gap: 8px;
  align-items: stretch;
  width: 100%;

}

.ss-fixed-seat-grid .ss-seat {
  min-height: 45px;
  padding: 6px;
  border-radius: 10px;
}

.ss-fixed-seat-grid .ss-seat .ss-name {
  font-size: 16px;
  font-weight: 800;
}

.ss-seat-icon {
  font-size: 18px;
  font-weight: 800;
  color: var(--ss-primary);
}

.ss-seat {
  border: 1px solid var(--ss-line);
  border-radius: 14px;
  padding: 24px 8px;
  min-height: 90px;
  background: var(--ss-seat);
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: relative;
  transition: transform 0.06s ease, box-shadow 0.12s ease, opacity 0.12s ease;
  will-change: transform;
}

.ss-seat:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.08);
}

.ss-seat .ss-name {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  width: 100%;
  color: var(--ss-txt);
}

/* 縮小モード */
.ss-seat .ss-name.ss-name-small {
  font-size: 14px;
}

/* 省略モード */
.ss-seat .ss-name.ss-name-truncate {
  font-size: 20px;
}

.ss-seat.ss-boy-seat {
  background: var(--ss-boy);
}

.ss-seat.ss-girl-seat {
  background: var(--ss-girl);
}

.ss-seat.ss-unknown-seat {
  background: var(--ss-unknown);
}

/* 修正: 固定席モーダル専用（詳細度を上げて確実に適用） */
.ss-fixed-seat-grid .ss-seat.ss-boy-seat {
  background: var(--ss-boy) !important;
  background-color: var(--ss-boy) !important;
}

.ss-fixed-seat-grid .ss-seat.ss-girl-seat {
  background: var(--ss-girl) !important;
  background-color: var(--ss-girl) !important;
}

.ss-fixed-seat-grid .ss-seat.ss-unknown-seat {
  background: var(--ss-unknown) !important;
  background-color: var(--ss-unknown) !important;
}

/* さらに詳細度を上げた指定（要素セレクタ追加） */
div.ss-seat.ss-boy-seat {
  background: var(--ss-boy) !important;
  background-color: var(--ss-boy) !important;
}

div.ss-seat.ss-girl-seat {
  background: var(--ss-girl) !important;
  background-color: var(--ss-girl) !important;
}

div.ss-seat.ss-unknown-seat {
  background: var(--ss-unknown) !important;
  background-color: var(--ss-unknown) !important;
}

/* 固定席グリッド内でさらに強力に指定 */
.ss-fixed-seat-grid > div.ss-seat.ss-boy-seat {
  background: var(--ss-boy) !important;
  background-color: var(--ss-boy) !important;
}

.ss-fixed-seat-grid > div.ss-seat.ss-girl-seat {
  background: var(--ss-girl) !important;
  background-color: var(--ss-girl) !important;
}

.ss-fixed-seat-grid > div.ss-seat.ss-unknown-seat {
  background: var(--ss-unknown) !important;
  background-color: var(--ss-unknown) !important;
}

.ss-seat.ss-dim {
  opacity: 0.35;
}

.ss-seat.ss-selected {
  outline: 3px solid rgba(212, 175, 55, 0.75);
  opacity: 1 !important;
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

/* 固定席モーダル：児童選択（✓＋枠線） */
.ss-seat-box {
  position: relative;
  border: 1px solid var(--ss-line);
  border-radius: 10px;
  min-height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background: #fff;
  font-weight: 800;
}

.ss-seat-box .ss-nm {
  font-size: 14px;
  text-align: center;
  padding: 0 4px;
}

/* 修正: 児童選択グリッドにパディングを追加して見切れ防止 */
.ss-fixed-seat-students {
  padding: 4px 8px 4px 4px !important;
}

/* 修正: 他のグループで使用中の児童・座席を半透明化 */
.ss-seat-box.ss-used,
.ss-seat.ss-used {
  opacity: 0.3 !important;
  cursor: not-allowed !important;
  filter: grayscale(50%);
}

.ss-seat-box.ss-boy {
  background: var(--ss-boy);
}

.ss-seat-box.ss-girl {
  background: var(--ss-girl);
}

.ss-seat-box.ss-unknown {
  background: var(--ss-unknown);
}

/* 修正: 固定席モーダル専用（詳細度を上げて確実に適用） */
.ss-fixed-seat-students .ss-seat-box.ss-boy {
  background: var(--ss-boy) !important;
  border: 2px solid var(--ss-boy) !important;
}

.ss-fixed-seat-students .ss-seat-box.ss-girl {
  background: var(--ss-girl) !important;
  border: 2px solid var(--ss-girl) !important;
}

.ss-fixed-seat-students .ss-seat-box.ss-unknown {
  background: var(--ss-unknown) !important;
  border: 2px solid var(--ss-line) !important;
}

.ss-seat-box.ss-student-selected {
  outline: 3px solid rgba(212, 175, 55, 0.75);
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

/* 固定席モーダル：座席選択（📌＋背景パターン） */
.ss-seat.ss-seat-selected {
  outline: 4px solid var(--ss-accent);
  opacity: 1 !important;
  box-shadow: 0 0 0 8px rgba(212, 175, 55, 0.25);
  /* 修正: より濃いストライプパターン */
  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(212, 175, 55, 0.35) 0,
      rgba(212, 175, 55, 0.35) 10px,
      rgba(255, 255, 255, 0.0) 10px,
      rgba(255, 255, 255, 0.0) 20px
    );
}

.ss-seat.ss-seat-selected::after {
  content: "📌";
  position: absolute;
  left: 8px;
  top: 6px;
  font-size: 14px;
}

/* 固定席モーダル：ロック状態 */
.ss-seat.ss-locked {
  opacity: 0.45;
  cursor: not-allowed;
}

.ss-seat.ss-locked::before {
  content: "🔒";
  position: absolute;
  left: 8px;
  bottom: 6px;
  font-size: 12px;
}

/* 既存ゾーンの座席（固定席モーダル内）：クリックで追記モードへ */
.ss-seat.ss-zone-seat {
  cursor: pointer;
}

/* チェックマーク（固定席グループ選択時） */
.ss-checkmark {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 24px;
  height: 24px;
  background: var(--ss-accent);
  color: var(--ss-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.ss-seat.ss-pinned::after {
  content: "📌";
  position: absolute;
  left: 8px;
  top: 6px;
  font-size: 12px;
}

/* 空白席（③画面のみ） */
.ss-seat.ss-void {
  opacity: 0.4;
  background: var(--ss-unknown) !important;
  pointer-events: none;
  cursor: default;
}

.ss-seat.ss-void:hover {
  transform: none;
  box-shadow: none;
}

/* 座席の削除ボタン（児童名の×） */
.ss-seat-delete {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(220, 38, 38, 0.1);
  color: var(--ss-danger);
  border: 1px solid rgba(220, 38, 38, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.15s;
  z-index: 2;
  line-height: 1;
}

.ss-seat-delete:hover {
  opacity: 1;
  transform: scale(1.1);
  background: rgba(220, 38, 38, 0.2);
}

/* 前提セクション（②画面） */
.ss-premise-section {
  background: #fff;
  border: 1px solid var(--ss-line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}

/* 前提セクション（コンパクト一段表記） */
.ss-premise-section-compact {
  background: #fff;
  border: 1px solid var(--ss-line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ss-premise-section-compact .ss-premise-title {
  font-weight: 800;
  font-size: 16px;
  margin: 0;
  flex-shrink: 0;
}

.ss-premise-section-compact .ss-toggle-btn {
  flex-shrink: 0;
}

.ss-premise-section-compact .ss-muted {
  margin: 0;
  flex: 1;
  min-width: 300px;
}

@media (max-width: 1100px) {
  .ss-premise-section-compact {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .ss-premise-section-compact .ss-muted {
    min-width: 0;
  }
}

.ss-premise-title {
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 14px;
}

.ss-premise-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ss-premise-nav {
  display: flex;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .ss-premise-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .ss-premise-nav {
    margin-left: 0;
    width: 100%;
  }
}

/* 条件セクション（②画面） */
.ss-conditions-section {
  background: #fff;
  border: 1px solid var(--ss-line);
  border-radius: 14px;
  padding: 16px;
}

.ss-section-title {
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 14px;
}

/* 3カラムグリッド */
.ss-conditions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 1100px) {
  .ss-conditions-grid {
    grid-template-columns: 1fr;
  }
}

/* カラム */
.ss-condition-column {
  border: 1px solid var(--ss-line);
  border-radius: 12px;
  padding: 12px;
  background: #fbfdff;
  gap: 10px;
}

.ss-column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ss-line);
}

.ss-column-title {
  font-weight: 800;
  font-size: 16px;
  flex: 1;
}

.ss-column-content {
  gap: 10px;
  min-height: 200px;
}

/* Condition Blocks */
.ss-check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.ss-check-row input {
  transform: scale(1.1);
}

.ss-check-row label {
  font-size: 14px;
  cursor: pointer;
}

.ss-group-card {
  border: 1px dashed var(--ss-line);
  border-radius: 14px;
  padding: 10px;
  background: #fff;
}

.ss-group-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.ss-group-hd .ss-tag {
  font-size: 14px;
  color: var(--ss-muted);
  font-weight: 700;
}

.ss-group-body {
  gap: 8px;
}

.ss-pair-selector {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.ss-pair-selector select {
  flex: 1;
  min-width: 100px;
}

.ss-distance-buttons {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ss-distance-btn {
  position: relative;
  border: 1px solid var(--ss-line);
  background: #fff;
  color: var(--ss-primary);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.ss-distance-btn.ss-active {
  background: var(--ss-accent);
  color: var(--ss-primary);
}

.ss-distance-preview {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--ss-line);
  border-radius: 12px;
  padding: 8px;
  gap: 2px;
  z-index: 5;
}

.ss-distance-btn:hover .ss-distance-preview {
  display: grid;
}

.ss-distance-btn[data-distance="1"] .ss-distance-preview {
  grid-template-columns: repeat(5, 18px);
  grid-template-rows: repeat(5, 18px);
}

.ss-distance-btn[data-distance="2"] .ss-distance-preview {
  grid-template-columns: repeat(7, 18px);
  grid-template-rows: repeat(7, 18px);
}

/* 修正: 距離3のプレビューグリッドを追加 */
.ss-distance-btn[data-distance="3"] .ss-distance-preview {
  grid-template-columns: repeat(9, 18px);
  grid-template-rows: repeat(9, 18px);
}

.ss-preview-target {
  background: var(--ss-accent);
}

/* 修正: 座れない範囲に✕印を表示 */
.ss-preview-blocked {
  background: #fff;
  border: 1px solid #ddd;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  color: #dc2626;
  line-height: 1;
}

.ss-preview-blocked::before {
  content: "✕";
  display: block;
}

.ss-preview-available {
  background: #fff;
  border: 1px solid #ddd;
}

.ss-inline {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* Modal */
.ss-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}

.ss-modal-overlay.ss-show {
  display: flex;
}

.ss-modal {
  width: min(900px, 100%);
  background: #fff;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.25);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

/* モーダル本文エリアをスクロール可能に */
.ss-modal .ss-mb {
  overflow-y: auto !important;
  flex: 1 !important;
  min-height: 0 !important;
}

/* フッター（OKボタン）は常に表示 */
.ss-modal .ss-mf {
  flex-shrink: 0 !important;
}

.ss-modal-wide {
  width: min(1000px, 95%);
}

.ss-modal .ss-mh {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ss-line);
  background: var(--ss-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
}

.ss-modal .ss-mh h3 {
  margin: 0;
  font-size: 14px;
  color: inherit;
}

.ss-modal .ss-mb {
  padding: 12px 14px;
  overflow-y: auto;
  flex: 1;
}

.ss-help-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ss-txt);
  line-height: 1.7;
}

.ss-modal .ss-mf {
  padding: 12px 14px;
  border-top: 1px solid var(--ss-line);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* 修正: モーダル内のボタンの文字が消えないようにする */
.ss-modal .ss-mf .ss-btn {
  font-size: 15px !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
  min-width: 80px !important;
}

.ss-modal .ss-mf .ss-btn.ss-primary {
  background: #fff !important;
  color: var(--ss-primary) !important;
  border: 2px solid var(--ss-primary) !important;
}

.ss-modal .ss-mf .ss-btn.ss-ghost {
  background: #fff !important;
  color: var(--ss-txt) !important;
  border: 2px solid var(--ss-line) !important;
}

.ss-error-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ss-danger);
  font-size: 13px;
  line-height: 1.6;
}

/* Download Canvas (hidden) */
#ssDownloadCanvas {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

/* Section Divider */
.ss-section-divider {
  height: 2px;
  background: linear-gradient(to right, transparent, var(--ss-line), transparent);
  margin: 20px 0;
}

/* Student List (for modal) */
.ss-student-list {
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
  padding: 8px;
  background: #f9fafb;
  border-radius: 8px;
}

.ss-stu-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.ss-stu-opt:hover {
  background: #fff;
}

.ss-stu-badge {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  background: #e5e7eb;
  color: var(--ss-muted);
}

/* Animation Styles */
.ss-seat.ss-animating {
  pointer-events: none;
}

@keyframes slotSpin {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes cardFlip {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(90deg); }
  100% { transform: rotateY(0deg); }
}

@keyframes popBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* =========================
   Setup Wizard Modal — カラーコンセプト適用
========================= */

/* セットアップモーダル全体 */
#ssSetupModalOverlay {
  background: rgba(15, 30, 58, 0.7) !important; /* ダークネイビー半透明 */
}

.ss-modal-setup {
  width: min(620px, 95vw);
  max-height: 92vh;
  min-height: 500px;
  overflow-y: auto;
  border: none !important;
  border-radius: 20px !important;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(30, 58, 95, 0.4) !important;
}

/* モーダルヘッダー（タイトルエリア）：ネイビー背景＋ゴールドライン */
.ss-modal-setup .ss-mh {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8f 100%) !important;
  border-top: 3px solid #d4af37 !important;
  border-bottom: 3px solid #d4af37 !important;
  padding: 16px 24px !important;
}

.ss-modal-setup .ss-mh h3 {
  color: #ffffff !important;
  font-weight: 900 !important;
  font-size: 16px !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
  margin: 0 !important;
}

.ss-modal-setup .ss-mh .ss-cond-step-label {
  color: #d4af37 !important;
  font-weight: 700 !important;
}

/* プログレスバー — カラーコンセプト適用 */
.ss-setup-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px 12px;
  gap: 0;
  background: #f8f9fa;
  border-bottom: 1px solid #E8E8E8;
}

.ss-setup-step-indicator {
  align-items: center;
  gap: 4px;
  min-width: 64px;
}

.ss-setup-step-indicator span {
  font-size: 11px;
  color: #7F8C8D;
  white-space: nowrap;
}

.ss-setup-step-indicator.ss-setup-current span {
  color: #1e3a5f;
  font-weight: 700;
}

.ss-setup-step-indicator.ss-setup-done span {
  color: #d4af37;
  font-weight: 600;
}

.ss-setup-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #E8E8E8;
  border: 2px solid #E8E8E8;
  transition: all 0.25s;
}

/* 現在のステップ：ネイビー */
.ss-setup-current .ss-setup-dot {
  background: #1e3a5f;
  border-color: #1e3a5f;
  box-shadow: 0 0 0 4px rgba(30,58,95,0.15);
}

/* 完了したステップ：ゴールド */
.ss-setup-done .ss-setup-dot {
  background: #d4af37;
  border-color: #d4af37;
}

.ss-setup-line {
  flex: 1;
  height: 2px;
  background: #E8E8E8;
  margin-bottom: 18px;
  min-width: 16px;
}

/* 完了ライン：ゴールド */
.ss-setup-done + .ss-setup-line {
  background: #d4af37;
}

/* ボディ */
.ss-setup-body {
  padding: 16px 24px;
  gap: 14px;
  background: #ffffff;
}

/* フッター — ネイビー薄背景 */
.ss-setup-footer {
  padding: 14px 24px;
  border-top: 1px solid #E8E8E8;
  background: #f8f9fa;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ラジオカード — カラーコンセプト適用 */
.ss-setup-radio-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border: 2px solid #E8E8E8;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(30,58,95,0.06);
}

.ss-setup-radio-card:hover {
  border-color: #d4af37;
  background: #fffcf5;
  box-shadow: 0 4px 16px rgba(212,175,55,0.15);
  transform: translateY(-2px);
}

.ss-setup-radio-card:has(input:checked) {
  border-color: #1e3a5f;
  background: rgba(30,58,95,0.05);
  box-shadow: 0 4px 16px rgba(30,58,95,0.15);
}

.ss-setup-radio-card input[type="radio"] {
  display: none;
}

.ss-radio-icon {
  display: none; /* アイコン削除 */
}

.ss-radio-label {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.ss-radio-label small {
  font-size: 12px;
  font-weight: 400;
  color: var(--ss-muted);
}

/* サイズカウンター */
.ss-setup-size-row {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.ss-setup-size-group {
  align-items: center;
  gap: 8px;
}

.ss-setup-size-group label {
  font-weight: 600;
  font-size: 14px;
  color: var(--ss-txt);
}

.ss-counter {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ss-counter-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #1e3a5f;
  background: white;
  color: #1e3a5f;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(30,58,95,0.15);
}

.ss-counter-btn:hover {
  background: #1e3a5f;
  color: #d4af37;
  box-shadow: 0 4px 12px rgba(30,58,95,0.3);
  transform: scale(1.1);
}

.ss-counter-val {
  font-size: 28px;
  font-weight: 800;
  color: #1e3a5f;
  min-width: 36px;
  text-align: center;
}

/* グリッドプレビュー（STEP2）：▢マス＋番号ラベル */
.ss-setup-preview-label {
  font-size: 12px;
  color: var(--ss-muted);
  text-align: center;
  margin-bottom: 6px;
}

.ss-setup-grid-preview {
  display: grid;
  gap: 4px;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  /* grid-template-columns はJSで設定 */
}

/* ▢座席セル — backgroundで枠線を表現（Cocoonのborderリセット対策） */
.ss-app .ss-setup-preview-cell {
  height: 22px !important;
  display: block !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
}

/* background＋outline（borderに依存しない）で▢を表現 */
.ss-app .ss-gp-seat {
  background: #ffffff !important;
  outline: 2px solid #1e3a5f !important;
  outline-offset: -2px !important;
  opacity: 0.75 !important;
}

/* 行番号・列番号ラベル */
.ss-preview-corner {
  min-width: 0;
  height: 22px;
}
.ss-preview-col-label {
  font-size: 9px;
  color: var(--ss-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  height: 22px;
}
.ss-preview-row-label {
  font-size: 9px;
  color: var(--ss-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  height: 22px;
  width: 20px;
}

/* 男女並びオプション */
.ss-setup-gender-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.ss-gender-card {
  flex-direction: column;
  text-align: center;
  padding: 12px 8px;
}

/* STEP3 プレビューグリッド */
.ss-gender-preview {
  display: grid;
  gap: 3px;
  width: 72px;
  height: 54px;
  margin: 0 auto 8px;
  /* grid-template-columns はJSで設定 */
}

/* STEP3 プレビューセル：塗りつぶしカラー — !important で強制 */
.ss-setup-gender-cell {
  border-radius: 3px !important;
  min-width: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: block !important;
  min-height: 10px !important;
}

/* 男子＝青、女子＝ピンク — 詳細度最大で強制 */
.ss-app .ss-modal-overlay .ss-gp-boy,
.ss-app .ss-gp-boy {
  background: #6DB3FF !important;
}
.ss-app .ss-modal-overlay .ss-gp-girl,
.ss-app .ss-gp-girl {
  background: #FFB3D9 !important;
}

/* 名簿入力 */
.ss-setup-textarea {
  width: 100%;
  height: 160px;
  border: 1.5px solid var(--ss-line);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  color: var(--ss-txt);
}

.ss-setup-textarea:focus {
  outline: none;
  border-color: var(--ss-primary);
}

.ss-setup-file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ss-setup-file-input {
  font-size: 13px;
}

.ss-setup-gender-count {
  font-size: 14px;
  padding: 8px 12px;
  background: rgba(30,58,95,0.06);
  border-radius: 8px;
  min-height: 36px;
}

/* JSON読み込みエリア */
#ssSetupJsonArea {
  padding: 12px;
  background: rgba(30,58,95,0.04);
  border-radius: 8px;
}


/* =========================
   STEP4 座席確認・3ボタン
========================= */
.ss-setup-seat-preview-grid {
  display: grid;
  gap: 3px;
  margin: 8px auto 0;
  max-width: 300px;
}

.ss-setup-seat-preview-cell {
  height: 20px;
  border-radius: 3px;
  display: block;
}

.ss-setup-action-btns {
  gap: 10px;
  padding: 0 24px 20px;
}

.ss-setup-action-btns .ss-btn {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
}

/* =========================
   STEP5 条件設定
========================= */
.ss-conditions-setup-body {
  gap: 0 !important;
  padding: 0 !important;
  max-height: 68vh;
  overflow-y: auto;
}

.ss-cond-section {
  padding: 14px 24px;
}

.ss-cond-section-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ss-cond-title {
  font-weight: 700;
  font-size: 14px;
}

.ss-cond-hd-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ss-cond-divider {
  height: 1px;
  background: var(--ss-line);
  margin: 0 24px;
}

.ss-cond-list {
  margin-top: 10px;
  gap: 8px;
}

/* 各条件エントリをカード型で表示 */
.ss-cond-list .ss-cond-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--ss-bg);
  border: 1px solid var(--ss-line);
  border-radius: 8px;
  padding: 8px 12px;
}

.ss-cond-list .ss-pair-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.ss-cond-list select {
  padding: 6px 8px !important;
  border: 1px solid var(--ss-line) !important;
  border-radius: 6px !important;
  font-size: 13px !important;
  background: #fff !important;
  min-width: 100px;
}

.ss-cond-list .ss-btn.ss-small {
  padding: 4px 10px;
  font-size: 12px;
  margin-left: auto;
}

/* 距離ボタンを小さくまとめる */
.ss-cond-list .ss-distance-btn {
  padding: 3px 7px !important;
  font-size: 11px !important;
}

/* STEP4フッター3カラム横並び */
.ss-setup-footer-3col {
  display: flex !important;
  flex-direction: row !important;
  justify-content: space-between !important;
  align-items: center !important;
  gap: 8px !important;
}

.ss-setup-footer-3col .ss-btn {
  flex: 1;
}

/* 条件ステップラベル */
.ss-cond-step-label {
  font-size: 12px;
  color: var(--ss-muted);
  font-weight: 400;
  margin-left: 8px;
}

/* セットアップモーダル z-index */
#ssSetupModalOverlay {
  z-index: 100 !important;
}

/* 固定席・エラー・ヘルプモーダルはセットアップの上に表示 */
#ssFixedSeatModalOverlay,
#ssErrorModalOverlay,
#ssHelpModalOverlay {
  z-index: 200 !important;
}

/* =========================
   セットアップ全体 追加カラー適用
========================= */

/* テキストエリア フォーカス時ゴールド */
.ss-setup-textarea:focus {
  border-color: #d4af37 !important;
  box-shadow: 0 0 0 4px rgba(212,175,55,0.15) !important;
  outline: none !important;
}

/* 男女カウント表示エリア */
.ss-setup-gender-count {
  background: rgba(30,58,95,0.06) !important;
  border-left: 4px solid #d4af37 !important;
  border-radius: 0 8px 8px 0 !important;
  padding: 10px 14px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #1e3a5f !important;
}

/* 条件設定セクションタイトル */
.ss-cond-title {
  color: #1e3a5f !important;
  font-weight: 800 !important;
}

/* 条件設定セクション上部アクセントライン */
.ss-cond-section {
  position: relative;
}
.ss-cond-section::before {
  content: '';
  display: block;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #d4af37, #f4cf5f);
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 2px;
}
.ss-cond-section {
  padding-left: 20px !important;
}

/* アクションボタン（条件なしで席替えへ）をゴールドに */
.ss-setup-action-btns .ss-btn.ss-ok {
  background: linear-gradient(135deg, #f4cf5f 0%, #d4af37 100%) !important;
  color: #0f1e3a !important;
  border: none !important;
  font-weight: 900 !important;
  box-shadow: 0 4px 12px rgba(212,175,55,0.35) !important;
}

.ss-setup-action-btns .ss-btn.ss-ok:hover {
  background: linear-gradient(135deg, #d4af37 0%, #b8941f 100%) !important;
  box-shadow: 0 6px 20px rgba(212,175,55,0.5) !important;
  transform: translateY(-2px);
}

/* 座席プレビューラベル */
.ss-setup-preview-label {
  color: #1e3a5f !important;
  font-weight: 700 !important;
  font-size: 13px !important;
}

/* STEP5c 距離ボタンのプレビューグリッドサイズを調整 */
.ss-modal-setup .ss-distance-btn {
  min-width: 80px !important;
  width: 100px !important;           /* 修正: 幅を固定してボックスサイズを統一 */
  box-sizing: border-box !important; /* 修正: padding込みで幅を計算 */
  padding: 6px 8px !important;
  font-size: 12px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important; /* 修正: 縦方向も中央揃え */
  gap: 4px !important;
  height: auto !important;
  min-height: 90px !important;        /* 修正: 最小高さ統一 */
}

.ss-modal-setup .ss-distance-buttons {
  justify-content: center !important; /* 修正: ボタン群を中央揃え */
}

.ss-modal-setup .ss-distance-preview {
  display: grid !important;
  gap: 2px !important;
}

/* 修正: セルサイズはJSで自動計算するためCSS固定値を削除 */
/* .ss-modal-setup .ss-distance-preview .ss-preview-target,
   .ss-modal-setup .ss-distance-preview .ss-preview-blocked,
   .ss-modal-setup .ss-distance-preview .ss-preview-available {
     width: 8px; height: 8px; (削除: JS側で正規化済み)
   } */

/* =========================
   STEP5 条件設定カルーセル
========================= */

/* ナビゲーションバー */
.ss-carousel-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: #f8f9fa;
  border-bottom: 1px solid #E8E8E8;
  gap: 12px;
}

/* 矢印ボタン */
.ss-carousel-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #1e3a5f;
  background: white;
  color: #1e3a5f;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.ss-carousel-arrow:hover {
  background: #1e3a5f;
  color: #d4af37;
}

/* ドットとラベル */
.ss-carousel-indicators {
  display: flex;
  gap: 8px;
  align-items: center;
}

.ss-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #E8E8E8;
  cursor: pointer;
  transition: all 0.2s;
}

.ss-carousel-dot-active {
  background: #d4af37 !important;
  transform: scale(1.3);
}

.ss-carousel-label {
  font-size: 13px;
  font-weight: 700;
  color: #1e3a5f;
  flex: 1;
  text-align: center;
}

/* カルーセルラップ（overflow hidden でスライドをクリップ） */
.ss-cond-carousel-wrap {
  overflow: hidden;
  position: relative;
  min-height: 220px;
  max-height: 52vh;
}

/* 各スライド */
.ss-cond-slide {
  padding: 16px 24px;
  overflow-y: auto;
  max-height: 52vh;
}

.ss-cond-slide .ss-cond-section-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

/* STEP3 男女固定トグル行 */
.ss-setup-gender-fixed-row {
  gap: 4px;
  padding: 12px 16px;
  background: rgba(30,58,95,0.04);
  border: 1px solid #E8E8E8;
  border-left: 4px solid #d4af37;
  border-radius: 0 8px 8px 0;
}

/* =========================
   距離選択POPUP
========================= */

/* 距離モーダル z-index（セットアップより上） */
#ssDistanceModalOverlay {
  z-index: 300 !important;
  display: none;
}

.ss-modal-distance {
  width: min(680px, 96vw); /* 修正: 4枚横並びに対応する幅に拡大 */
}

/* 4択カードグリッド */
.ss-distance-popup-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 修正: 4列均等→距離1/2/3/MAXが横並び */
  gap: 12px;
}

.ss-dist-popup-card {
  border: 2px solid #E8E8E8;
  border-radius: 14px;
  padding: 16px 12px;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  display: flex !important;        /* 修正: flex化して中央揃え */
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px;
  box-sizing: border-box;          /* 修正: padding込み幅計算 */
}

.ss-dist-popup-card:hover {
  border-color: #d4af37;
  background: #fffcf5;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212,175,55,0.2);
}

.ss-dist-popup-card.ss-active {
  border-color: #1e3a5f;
  background: rgba(30,58,95,0.05);
  box-shadow: 0 4px 16px rgba(30,58,95,0.15);
}

.ss-dist-popup-label {
  font-size: 13px;
  font-weight: 700;
  color: #1e3a5f;
  text-align: center;
}

/* 距離ラベル（クリックで変更） */
.ss-dist-label-toggle {
  cursor: pointer;
  padding: 6px 10px;
  background: rgba(30,58,95,0.04);
  border: 1px solid #E8E8E8;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #2C3E50;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.ss-dist-label-toggle:hover {
  background: #fffcf5;
  border-color: #d4af37;
}

.ss-dist-change-hint {
  font-size: 11px;
  color: #7F8C8D;
  font-weight: 400;
}

/* 距離POPUPカード内のプレビューセル（inline styleで上書きされるが念のため） */
.ss-dist-popup-card .ss-distance-preview {
  display: grid !important;
  gap: 3px !important;
  margin: 0 auto 8px !important;
}

.ss-dist-popup-card .ss-preview-target {
  width: 12px !important;
  height: 12px !important;
  background-color: #1e3a5f !important;
  border-radius: 2px !important;
  display: inline-block !important;
}

.ss-dist-popup-card .ss-preview-blocked {
  width: 12px !important;
  height: 12px !important;
  background-color: #e74c3c !important;
  border-radius: 2px !important;
  display: inline-block !important;
}

.ss-dist-popup-card .ss-preview-available {
  width: 12px !important;
  height: 12px !important;
  background-color: #e0e0e0 !important;
  border-radius: 2px !important;
  display: inline-block !important;
}

/* カードの高さ・幅を統一 */
.ss-dist-popup-card {
  min-height: 150px;           /* 修正: 高さ統一（距離3のプレビューに合わせる） */
  justify-content: center;
}

/* プレビューエリアをラッパーで固定サイズに包む */
.ss-dist-preview-wrap {
  width: 108px;                /* 修正: 距離3(9×12+8gaps=116px)に合わせた固定幅 */
  height: 108px;               /* 修正: 固定高さ */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 距離プレビュー large版（POPUP用）— display:noneを強制上書き */
.ss-distance-preview-large,
.ss-dist-popup-card .ss-distance-preview,
.ss-dist-popup-card .ss-distance-preview-large {
  display: grid !important;
  position: static !important;  /* absoluteを解除 */
  transform: none !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  gap: 2px !important;
  margin: 8px auto !important;
  z-index: auto !important;
}

/* 既存の小さいプレビューセル（ホバー用）*/
.ss-distance-preview:not(.ss-distance-preview-large) .ss-preview-target { width:6px; height:6px; }
.ss-distance-preview:not(.ss-distance-preview-large) .ss-preview-blocked { width:6px; height:6px; }
.ss-distance-preview:not(.ss-distance-preview-large) .ss-preview-available { width:6px; height:6px; }

/* サイドバー内トグルボタン行 */
.ss-sidebar-toggle-row .ss-toggle-btn {
  width: 100%;
  justify-content: flex-start;
}

/* 凡例縦並び */
.ss-legend-vertical {
  gap: 6px;
}

/* =========================
   席替えアニメーション 3モード
========================= */

/* --- モード2: 一人ずつ発表 --- */

/* 発表バー */
.ss-reveal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, #1e3a5f, #2d5a8f);
  border-radius: 12px;
  margin-bottom: 12px;
  gap: 12px;
}

.ss-reveal-count {
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
}

.ss-reveal-btns {
  display: flex;
  gap: 8px;
}

.ss-reveal-last2 {
  font-size: 20px;
  font-weight: 900;
  color: #d4af37;
  text-align: center;
  padding: 8px;
  animation: ss-last2-pulse 0.4s ease-in-out infinite alternate;
}

@keyframes ss-last2-pulse {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

/* ？マスク席 */
.ss-seat-masked {
  filter: brightness(0.7) !important;
}

.ss-seat-masked .ss-name {
  color: rgba(255,255,255,0.5) !important;
  font-size: 24px !important;
}

/* フリップ公開アニメーション */
.ss-seat-flip {
  animation: ss-flip 0.5s ease-in-out;
}

@keyframes ss-flip {
  0%   { transform: rotateY(0deg) scale(1); }
  40%  { transform: rotateY(90deg) scale(0.8); }
  60%  { transform: rotateY(-10deg) scale(1.1); }
  100% { transform: rotateY(0deg) scale(1); }
}

/* 残り2人シェイク */
.ss-seat-last2 {
  animation: ss-last2-shake 0.5s ease-in-out;
}

@keyframes ss-last2-shake {
  0%,100% { transform: translateX(0) scale(1); }
  20%     { transform: translateX(-8px) scale(1.05); }
  40%     { transform: translateX(8px) scale(1.05); }
  60%     { transform: translateX(-5px) scale(1.1); }
  80%     { transform: translateX(5px) scale(1.1); }
}

/* --- モード3: 集合→爆散 --- */

/* Phase1: 中央に集合 */
.ss-seat.ss-gather {
  transform: translate(var(--ss-tx, 0), var(--ss-ty, 0)) scale(0.5) !important;
  opacity: 0.7 !important;
  transition: transform 1.2s ease-in, opacity 1.2s ease-in !important;
  z-index: 10;
}

/* Phase2: 爆発エフェクト */
.ss-seat.ss-burst-effect {
  transform: scale(1.3) !important;
  opacity: 0 !important;
  transition: transform 0.4s ease-out, opacity 0.4s ease-out !important;
}

/* Phase3: 着地 */
.ss-seat.ss-land {
  animation: ss-land-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.ss-seat.ss-land {
  animation: ss-land-bounce 1.1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards !important;
}

@keyframes ss-land-bounce {
  0%   { transform: scale(0) translateY(-30px); opacity: 0; }
  50%  { transform: scale(1.15) translateY(4px); opacity: 1; }
  75%  { transform: scale(0.95) translateY(0); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* =========================
   縦中央揃え
========================= */
.ss-screen-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 60px); /* WPヘッダー分を引く */
  padding: 16px 0;
  box-sizing: border-box;
}

/* =========================
   背景画像
========================= */
.ss-app {
  background-image: url('https://ict-primaryschool-juniorhighschool.com/wp-content/uploads/2026/05/ChatGPT-Image-2026%E5%B9%B45%E6%9C%883%E6%97%A5-15_52_19-2.jpg') !important;
  background-size: cover !important;
  background-position: center top !important;
  background-attachment: fixed !important;
  background-repeat: no-repeat !important;
  min-height: 100vh !important;
  padding-bottom: 0 !important;
  margin-bottom: 0 !important;
}

/* bodyとhtmlの余白をリセット */
html, body {
  margin: 0 !important;
  padding: 0 !important;
}

/* アプリ直下のコンテナの余白も除去 */
.ss-app > * {
  margin-bottom: 0 !important;
}

/* カード・サイドバーを半透明にして背景が透けて見えるように */
.ss-app .ss-card {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(2px) !important;
}

.ss-app .ss-sidebar {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(2px) !important;
}

/* ヘッダーも半透明に */
.ss-app .ss-hd {
  background: rgba(255, 255, 255, 0.92) !important;
}

/* モーダルのオーバーレイを少し濃く */
.ss-app .ss-modal-overlay {
  background: rgba(15, 30, 58, 0.75) !important;
}

/* =========================
   STEP5 条件説明プレビュー
========================= */

/* 説明テキスト */
.ss-cond-desc-text {
  font-size: 13px;
  color: var(--ss-muted, #7F8C8D);
  margin: 0 0 14px;
  text-align: center;
}

/* プレビューカード行 */
.ss-cond-preview-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.ss-cond-preview-row-center {
  justify-content: center;
}

/* 各プレビューカード */
.ss-cond-preview-card {
  background: #fff;
  border: 1.5px solid #E8E8E8;
  border-radius: 12px;
  padding: 12px 10px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  min-width: 90px;
}

.ss-preview-selected {
  border: 2px solid #1e3a5f !important;
  background: rgba(30,58,95,0.04) !important;
}

.ss-preview-lbl {
  font-size: 12px;
  font-weight: 700;
  color: #2C3E50;
}

.ss-preview-sub {
  font-size: 11px;
  color: #7F8C8D;
}

/* ミニグリッド */
.ss-mini-grid {
  display: grid;
  gap: 3px;
  margin: 0 auto;
}

.ss-mc {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 900;
  line-height: 1;
}

/* 修正: 距離別にセルサイズを上書き（全距離で同面積に正規化） */
.ss-mini-grid[data-dist="1"] .ss-mc { width: 11px; height: 11px; font-size: 8px; }
.ss-mini-grid[data-dist="2"] .ss-mc { width:  7px; height:  7px; font-size: 0;  }
.ss-mini-grid[data-dist="3"] .ss-mc { width:  5px; height:  5px; font-size: 0;  }

.ss-mc-b  { background: #6DB3FF; }
.ss-mc-p  { background: #FFB3D9; }
.ss-mc-d  { background: #1e3a5f; }
.ss-mc-g  { background: #d4af37; }
.ss-mc-x  { background: #e74c3c; color: #000; }
.ss-mc-dim{ background: #e8e8e8; }

/* 中央追加ボタン */
.ss-cond-add-center {
  display: block !important;
  margin: 0 auto !important;
  padding: 12px 32px !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  background: #1e3a5f !important;
  color: #fff !important;
  border: none !important;
  border-radius: 10px !important;
  cursor: pointer !important;
  width: fit-content !important;
}

.ss-cond-add-center:hover {
  background: #2d5a8f !important;
}

/* 条件リスト（追加後）ヘッダー */
.ss-cond-list-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}