/* 手機／iPad 版面覆寫：只改排版，不動遊戲邏輯。
   遊戲畫面結構：main.grid > [0]玩家面板 [1]棋盤 [2]操作面板 */

/* iOS Safari 的 100vh 會被網址列吃掉底部 */
.h-screen { height: 100vh; height: 100dvh; }

html, body { overscroll-behavior: none; -webkit-text-size-adjust: 100%; }
/* 連點不會觸發雙擊放大（兩指縮放仍可用），長按棋盤不跳選字選單 */
html { touch-action: manipulation; }
button, [role="button"], svg * { -webkit-tap-highlight-color: transparent; }
main svg { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }

/* 觸控：棋盤上可點的頂點放大一點點擊範圍 */
@media (pointer: coarse) {
  main svg circle.highlight-pulse { r: 3.6px; }
  /* iPhone 輸入框字小於 16px 會在點下去時自動放大整頁 */
  input:not([type="range"]) { font-size: 16px !important; }
}
/* 主選單「地圖編號＋開始遊戲」那一列：按鈕不要被擠成直排 */
div.max-w-sm > .btn-primary { white-space: nowrap; flex-shrink: 0; }

/* ---------- 平板直式（iPad 直拿）：棋盤在上、兩個面板並排在下 ---------- */
@media (min-width: 700px) and (max-width: 1023px) and (orientation: portrait) {
  main.grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    grid-template-rows: min(calc(100vw - 16px), 58dvh) minmax(0, 1fr);
  }
  main.grid > div:nth-child(2) { grid-column: 1 / -1; grid-row: 1; }
  main.grid > div:nth-child(1) { grid-column: 1; grid-row: 2; }
  main.grid > div:nth-child(3) { grid-column: 2; grid-row: 2; }
  main.grid > div:nth-child(1) > div:first-child button,
  main.grid > div:nth-child(3) > div:first-child button { display: none; }
  main.grid > div:nth-child(1) > div.overflow-y-auto { display: grid; grid-template-columns: 1fr 1fr; align-content: start; }
}

/* ---------- 手機直式：棋盤釘在上方，操作與玩家面板在下方捲動 ---------- */
@media (max-width: 699px) {
  /* 主選單：選隊伍四顆按鈕、地圖編號那列不要超出螢幕 */
  div.flex.justify-center.gap-3 { gap: 6px; }
  div.flex.justify-center.gap-3 > button.px-4 { padding-left: 8px; padding-right: 8px; }
  div.max-w-sm:has(> .btn-primary) > div.flex-1 { min-width: 0; }

  header { flex-wrap: wrap; gap: 2px 8px; padding: 4px 10px !important; }
  header h1 { display: none; }
  header > div:last-child { font-size: 12px; }

  main.grid {
    display: flex !important;
    flex-direction: column;
    gap: 8px;
    padding: 6px !important;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  main.grid > div { flex: 0 0 auto; min-height: auto; }
  main.grid > div:nth-child(2) {
    order: 0;
    height: min(calc(100vw - 12px), 52dvh);
    position: sticky;
    top: 0;
    z-index: 20;
    background-color: var(--color-wood-950);
    padding: 4px;
  }
  /* 操作欄拆開攤平：順序＝棋盤 → 操作面板 → 玩家（看自己手牌）→ AI 解說 */
  main.grid > div:nth-child(3),
  main.grid > div:nth-child(3) > div.overflow-y-auto { display: contents; }
  main.grid > div:nth-child(3) > div:first-child { display: none; }
  main.grid > div:nth-child(3) > div.overflow-y-auto > * { order: 1; flex: 0 0 auto; }
  main.grid > div:nth-child(1) { order: 2; }
  main.grid > div:nth-child(3) > div.overflow-y-auto > .panel.flex-1 { order: 3; max-height: 45dvh; }

  main.grid > div:nth-child(1) > div:first-child button { display: none; }
  main.grid > div:nth-child(1) > div.overflow-y-auto { overflow: visible; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
  main.grid > div:nth-child(1) .panel { padding: 8px; min-width: 0; }
}

/* ---------- 手機橫式（高度很矮）：維持三欄但側欄縮窄、標題列壓扁 ---------- */
@media (max-height: 540px) and (orientation: landscape) {
  header { padding: 2px 10px !important; }
  header h1 { display: none; }
  main.grid {
    grid-template-columns: 150px minmax(0, 1fr) 210px !important;
    gap: 4px;
    padding: 4px !important;
  }
  main.grid .panel { padding: 6px; }
}