/* ペントミノパズル 固有の見た目（共通は ../common/base.css） */
[hidden] { display: none !important; }
:root { --fixed: #CBC7BD; }

.board-wrap { position: relative; max-width: 760px; margin: 0 auto; }
#board { width: 100%; }
svg.pento { display: block; margin: 0 auto; height: auto; max-width: 100%; touch-action: none; user-select: none; -webkit-user-select: none; background: var(--board); border-radius: var(--radius); }
svg.pento .tray { fill: rgba(120, 100, 70, .06); stroke: rgba(120, 100, 70, .2); stroke-width: .03; stroke-dasharray: .12 .1; }
/* 盤: マスは白っぽい紙、線はうすく、外のふちは濃く */
svg.pento .board .cells { fill: #FFFFFF; }
svg.pento .board .grid { fill: none; stroke: rgba(60, 50, 40, .16); stroke-width: .03; }
svg.pento .board .hole { fill: var(--board); }
svg.pento .board .rim { fill: none; stroke: #5C564C; stroke-width: .07; stroke-linejoin: round; }
/* ピース: 手で触る物なので薄い影を1段。持ち上げると影を大きく。選んだピースは藍の縁 */
svg.pento .pm { cursor: grab; filter: drop-shadow(0 .04px .03px rgba(40, 22, 8, .35)); outline: none; }
svg.pento .pm .inl { fill: none; stroke: rgba(255, 255, 255, .45); stroke-width: .04; }
svg.pento .pm .edge { fill: none; stroke: rgba(40, 30, 20, .7); stroke-width: .05; stroke-linejoin: round; }
svg.pento .pm .lt { font: 700 .5px var(--font); text-anchor: middle; dominant-baseline: middle; fill: rgba(30, 24, 18, .62); pointer-events: none; }
svg.pento .pm.fixed { cursor: default; filter: none; }
svg.pento .pm.fixed .edge { stroke: rgba(40, 30, 20, .5); stroke-width: .04; }
svg.pento .pm.fixed .lt { fill: rgba(30, 24, 18, .42); }
svg.pento .pm.lifted { filter: drop-shadow(0 .14px .1px rgba(40, 22, 8, .32)); cursor: grabbing; }
svg.pento .pm.sel .edge { stroke: var(--accent); stroke-width: .11; }
svg.pento .pm:focus-visible .edge { stroke: var(--warn); stroke-width: .13; }
/* 置き先の目印（ピースの上に描くので、触れても拾わない） */
svg.pento .preview, svg.pento .hint, svg.pento .fx { pointer-events: none; }
svg.pento .pv { fill: rgba(46, 125, 79, .12); stroke: #2E7D4F; stroke-width: .08; stroke-dasharray: .2 .12; stroke-linejoin: round; }
svg.pento .pv.ng { fill: rgba(178, 58, 58, .1); stroke: #B23A3A; }
/* ヒント: 正しい位置をうすく */
svg.pento .ghost { opacity: .4; }
svg.pento .ghost-line { fill: none; stroke: #9A6415; stroke-width: .09; stroke-dasharray: .2 .12; stroke-linejoin: round; animation: ghost 1.2s ease-in-out infinite alternate; }
@keyframes ghost { from { opacity: .55; } to { opacity: 1; } }
/* 完成: 盤のふちが緑に浮かび、ピースが少し持ち上がる */
svg.pento .done-line { fill: none; stroke: #2E7D4F; stroke-width: .14; stroke-linejoin: round; animation: doneLine .9s ease-out both; }
@keyframes doneLine { 0% { opacity: 0; } 40% { opacity: 1; } 100% { opacity: .9; } }
svg.pento.solved .pieces { animation: lift .7s ease-out both; }
@keyframes lift { 0% { transform: translateY(0); } 45% { transform: translateY(-.15px); } 100% { transform: translateY(-.05px); } }

/* 手番のバー: 盤・むずかしさ・時計 */
.status { flex-wrap: wrap; column-gap: 12px; row-gap: 0; }
.st-name { white-space: nowrap; }
.timer { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 18px; min-width: 56px; text-align: right; margin-left: auto; }
.lv { display: inline-block; white-space: nowrap; font-size: 14px; font-weight: 700; padding: 0 8px; border-radius: 999px; border: 1.5px solid currentColor; margin-left: 6px; vertical-align: middle; color: var(--accent); }
.lv.sub { color: var(--ink-sub); font-weight: 400; }
#tools { margin-top: 10px; }
.controls .btn.icon { display: inline-flex; align-items: center; gap: 4px; }
.controls .btn.icon svg { width: 18px; height: 18px; flex: none; }
.tools2 { margin-top: 8px; }

/* 盤の形の選択肢（小さな形を添える） */
.boards .choice span { display: inline-flex; align-items: center; gap: 6px; }
.boards svg .thumb-cells { fill: var(--ink-sub); }

/* 結果は盤の下に出す（完成した盤を隠さない） */
.result-box { position: static; margin: 10px auto 0; padding: 16px 20px; max-width: 560px; }
.result-box h2 { font-size: 1.4rem; margin-bottom: 4px; }
.result-box .big { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.result-box ul { list-style: none; padding: 0; margin: 0 0 8px; }
.callout { z-index: 3; }
.callout.side { white-space: pre-line; word-break: keep-all; max-width: 34%; text-align: center; border-radius: 18px; font-size: clamp(17px, 2.6vw, 22px); line-height: 1.4; padding: 10px 16px; }

@media (max-width: 420px) {
  .stage { padding: 8px; }
  .controls .btn.icon { padding: 0 8px; }
  #play .controls { gap: 6px; }
  .tools2 .spacer { display: none; }
  .result-box { padding: 12px; }
  .result-box h2 { font-size: 1.25rem; }
}
/* スマホ幅ではボタンを2段に収める（操作のしかたは盤のすぐ下にある） */
@media (max-width: 480px) { #controls-btn { display: none !important; } }
@media (prefers-reduced-motion: reduce) {
  svg.pento .ghost-line, svg.pento .done-line, svg.pento.solved .pieces { animation: none; }
}
.howto img.narrow { max-width: 560px; }
.pieces-table td:first-child { font-weight: 700; text-align: center; }
/* 上のバーの高さを一定に（No.93。数字は一番長い文が画面の幅（360px・375px 以上・641px 以上）で何行になるか。--tb-rt はふりがなの分。base.css・turnbar.js） */
.turnbar { --tb-msg-lines: 2; --tb-st-lines: 2.25; --tb-rt: 0px; --tb-st-rt: 0px; }
@media (min-width: 375px) { .turnbar { --tb-msg-lines: 2; --tb-st-lines: 2.25; } }
@media (min-width: 641px) { .turnbar { --tb-msg-lines: 1; --tb-st-lines: 1; } }
:root:lang(en) .turnbar { --tb-msg-lines: 2; --tb-st-lines: 2; --tb-rt: 0px; --tb-st-rt: 0px; }
@media (min-width: 375px) { :root:lang(en) .turnbar { --tb-msg-lines: 2; --tb-st-lines: 2; } }
@media (min-width: 641px) { :root:lang(en) .turnbar { --tb-msg-lines: 1; --tb-st-lines: 1; } }
/* 上のバーの高さ ここまで */