/**
 * landscape.css - 横画面（タブレット・PC・スマホ横持ち）用の2カラムレイアウト
 * 左に盤面を最大サイズで配置し、右に大きめの操作ボタン・検討UIをまとめる
 */

@media (orientation: landscape) and (min-width: 560px) {
  .app-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) clamp(280px, 38vw, 440px);
    grid-template-rows: auto auto auto auto minmax(0, 1fr);
    column-gap: 12px;
    row-gap: 7px;
    max-width: 1360px;
    padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .board-stage {
    grid-column: 1;
    grid-row: 1 / -1;
    height: 100%;
    min-width: 0;
  }

  .app-header,
  .mode-tabs,
  .status-panel,
  .info-banner,
  .bottom-dock {
    grid-column: 2;
    min-width: 0;
  }

  .app-header { grid-row: 1; }
  .mode-tabs { grid-row: 2; }
  .status-panel { grid-row: 3; }

  .info-banner {
    grid-row: 4;
    padding: 7px 10px;
    font-size: 0.82rem;
  }

  #info-banner-text {
    white-space: normal;
    line-height: 1.35;
  }

  .bottom-dock {
    grid-row: 5;
    margin-top: 0;
    min-height: 0;
    height: 100%;
    overflow-y: auto;
    justify-content: flex-end;
    gap: 8px;
  }

  .mode-tab {
    min-height: 36px;
    font-size: 0.85rem;
  }

  /* 対局ドック・分岐バーは押しやすい2x2の大きめボタンに */
  #dock-play .action-dock,
  #rev-branch-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 7px;
  }

  #dock-play .action-dock .btn {
    min-height: 54px;
    flex-direction: row;
    gap: 6px;
    font-size: 0.86rem;
    padding: 8px 10px;
  }

  /* 検討画面のグラフ・手順一覧・候補手・ナビを大きく見やすく */
  #dock-review {
    justify-content: space-between;
  }

  .review-strip {
    flex: 1 1 auto;
    min-height: 0;
    gap: 6px;
  }

  .chart-box {
    height: 82px;
    flex-shrink: 0;
  }

  .move-list-strip {
    flex-wrap: wrap;
    overflow-x: hidden;
    overflow-y: auto;
    align-content: flex-start;
    flex: 1 1 auto;
    min-height: 36px;
    padding: 5px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    gap: 5px;
  }

  .candidate-chips {
    flex-wrap: wrap;
    overflow-x: hidden;
    flex-shrink: 0;
    gap: 5px;
  }

  .move-chip {
    padding: 5px 9px;
    font-size: 0.76rem;
  }

  .candidate-chip {
    padding: 6px 11px;
    font-size: 0.79rem;
  }

  .nav-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    flex-shrink: 0;
  }

  .nav-group:first-child {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
  }

  .nav-group:last-child {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
  }

  .nav-group .btn-icon {
    min-height: 40px;
    padding: 6px 4px;
    font-size: 0.86rem;
  }

  #dock-review .action-dock,
  #dock-srs .action-dock {
    flex-shrink: 0;
    gap: 6px;
  }

  #dock-review .action-dock .btn,
  #dock-srs .action-dock .btn {
    min-height: 44px;
    padding: 8px 6px;
    font-size: 0.83rem;
  }
}

@media (orientation: landscape) and (min-height: 680px) {
  .chart-box {
    height: 108px;
  }
}

/* スマホ横持ちなど高さが低い画面向けのコンパクト調整 */
@media (orientation: landscape) and (max-height: 500px) {
  .app-shell {
    /* 盤面は画面高さで決まるため、横幅に余裕のある右パネルを広めに取って操作ボタンを収める */
    grid-template-columns: minmax(0, 1fr) clamp(320px, 49vw, 480px);
    row-gap: 3px;
    column-gap: 10px;
    padding: max(4px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(4px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .app-subtitle { display: none; }
  .app-header { padding-top: 0; }

  .app-header .btn-icon {
    min-height: 28px;
    padding: 3px 6px;
  }

  .mode-tab {
    min-height: 26px;
    padding: 2px 4px;
    font-size: 0.76rem;
  }

  .status-panel {
    padding: 3px 8px;
    gap: 2px;
  }

  .info-banner {
    min-height: 28px;
    padding: 3px 8px;
    font-size: 0.74rem;
  }

  .review-strip {
    flex: 0 0 auto;
    gap: 3px;
  }

  .chart-box {
    height: 40px;
    padding: 2px 4px;
  }

  .move-list-strip {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    flex: 0 0 auto;
    min-height: 0;
    padding: 1px 0;
    background: transparent;
    border: none;
  }

  .candidate-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .move-chip { padding: 3px 8px; font-size: 0.71rem; }
  .candidate-chip { padding: 4px 9px; font-size: 0.73rem; }

  .nav-bar {
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }

  .nav-group:first-child {
    flex: 1 1 auto;
    gap: 3px;
  }

  .nav-group:last-child {
    flex: 0 0 auto;
    gap: 3px;
  }

  .nav-group .btn-icon {
    min-height: 32px;
    padding: 4px 6px;
    font-size: 0.75rem;
  }

  #dock-play .action-dock .btn {
    min-height: 44px;
    font-size: 0.8rem;
  }

  #dock-review .action-dock .btn,
  #dock-srs .action-dock .btn {
    min-height: 35px;
    padding: 5px 4px;
    font-size: 0.77rem;
  }
}