/* 暗算タイムアタック固有の見た目（共通は ../common/base.css） */
[hidden] { display: none !important; }

.board-wrap { position: relative; container-type: inline-size; }

/* ---------- 問題のカード ---------- */
.card {
  background: var(--board); color: #1F2328; border: 2px solid var(--line); border-radius: var(--radius);
  padding: 12px 12px 14px; text-align: center; min-height: 250px; display: flex; flex-direction: column; align-items: center;
}
.meter { width: 100%; display: flex; align-items: center; gap: 10px; font-variant-numeric: tabular-nums; }
.bar { flex: 1; height: 10px; border-radius: 999px; background: #E6E2D8; overflow: hidden; }
.bar i { display: block; height: 100%; width: 100%; background: #2F5D8A; border-radius: 999px; transform-origin: left center; }
.bar.low i { background: #9A6415; }
.left { min-width: 4.2em; text-align: right; font-weight: 700; font-size: 20px; color: #1F2328; }
.left.low { color: #9A6415; }
.score { display: flex; gap: 14px; justify-content: center; margin-top: 6px; font-size: 16px; color: #5B616B; font-variant-numeric: tabular-nums; }
.score b { font-size: 22px; color: #2E7D4F; margin: 0 2px; }
.score .miss b { color: #B23A3A; }
.opname { display: inline-block; min-height: 1.5em; margin-top: 4px; font-size: 15px; color: #5B616B; }

.q {
  display: flex; align-items: center; justify-content: center; flex-wrap: nowrap; gap: .16em; margin: 4px 0 2px;
  font-size: clamp(40px, 12.5cqw, 80px); font-weight: 700; line-height: 1.15; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.q .op { color: #5B616B; font-size: .8em; }
.ans {
  display: inline-flex; align-items: center; justify-content: center; min-width: 2.1em; height: 1.2em; padding: 0 .14em;
  border: 3px solid #2F5D8A; border-radius: 10px; background: #FFFFFF; color: #2F5D8A;
}
.ans.caret::after { content: ''; width: 3px; height: .8em; background: #2F5D8A; animation: blink 1s steps(1) infinite; }
.ans.ok { background: #E6F3EA; border-color: #2E7D4F; color: #2E7D4F; }
.ans.ng { background: #FBE9E7; border-color: #B23A3A; color: #B23A3A; }
.ans.shake { animation: shake .35s ease-out; }
.card.pop .q { animation: pop-in .18s ease-out; }
.card.wait .q { color: #C9C4B8; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes shake { 20% { transform: translateX(-8px); } 45% { transform: translateX(7px); } 70% { transform: translateX(-4px); } 100% { transform: none; } }
@keyframes pop-in { from { transform: scale(.9); opacity: .3; } to { transform: none; opacity: 1; } }

.fb { min-height: 1.6em; margin: 6px 0 0; font-size: 18px; font-weight: 700; color: #1F2328; }
.fb.ng { color: #B23A3A; }
.fb.ok { color: #2E7D4F; }
.fb .sub { font-weight: 400; color: #5B616B; font-size: 16px; }

/* 一時停止 */
.pause-box { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: rgba(251, 250, 246, .96); border-radius: var(--radius); color: #1F2328; z-index: 4; text-align: center; padding: 16px; }
.pause-box p { margin: 0; font-size: 18px; font-weight: 700; }

/* ---------- 数字ボタン ---------- */
.pad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; max-width: 480px; margin: 12px auto 0; }
.key {
  appearance: none; font: inherit; font-size: 30px; font-weight: 700; min-height: 56px; padding: 0; font-variant-numeric: tabular-nums;
  border-radius: var(--radius); border: 2px solid var(--line-strong); background: var(--surface); color: var(--ink); cursor: pointer;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
}
.key.erase { grid-column: span 2; font-size: 19px; color: var(--accent); }
.key.enter { grid-column: span 3; font-size: 21px; background: var(--btn); border-color: var(--btn); color: var(--btn-ink); }
.pad.neg .key.erase { grid-column: span 1; }
.pad.neg .key.enter { grid-column: span 3; }
.key.minus { font-size: 30px; }
.key:active:not(:disabled) { transform: translateY(1px); }
.key:disabled { opacity: .4; cursor: not-allowed; }
.key:focus-visible { outline: 3px solid var(--warn); outline-offset: 2px; }
.linkbtn { display: inline-flex; align-items: center; text-decoration: none; }

/* ---------- 結果 ---------- */
.result-box { position: static; margin: 0 auto; max-width: 600px; }
.result-box h2 { margin-top: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 8px 0 12px; }
.stats div { border: 2px solid var(--line); border-radius: var(--radius); padding: 8px 4px; background: var(--surface); }
.stats b { display: block; font-size: 28px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stats span { font-size: 14px; color: var(--ink-sub); }
.stats .main b { color: var(--ok); }
.result-box .best { display: inline-block; margin-left: 6px; font-size: 14px; color: var(--ok); border: 1.5px solid var(--ok); border-radius: 999px; padding: 0 8px; vertical-align: middle; font-weight: 700; }
.missed { list-style: none; padding: 0; margin: 4px 0 10px; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.missed li { border: 2px solid var(--ng); border-radius: 6px; padding: 2px 10px; font-variant-numeric: tabular-nums; font-weight: 700; }
.missed li .got { font-weight: 400; color: var(--ng); font-size: 14px; margin-left: 4px; }
.result-box .note { color: var(--ink-sub); font-size: 15px; }
.callout { z-index: 5; top: 42%; }

@media (max-width: 420px) {
  .stage { padding: 8px; }
  .card { min-height: 220px; padding: 8px 8px 10px; }
  .key { min-height: 50px; font-size: 27px; }
  .pad { gap: 5px; margin-top: 8px; }
  .controls .btn.icon { padding: 0 9px; }
  .stats b { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .ans.caret::after, .ans.shake, .card.pop .q { animation: none; }
}
/* 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: 1; --tb-st-lines: 1; --tb-rt: 11px; --tb-st-rt: 11px; }
@media (min-width: 375px) { .turnbar { --tb-msg-lines: 1; --tb-st-lines: 1; } }
@media (min-width: 641px) { .turnbar { --tb-msg-lines: 1; --tb-st-lines: 1; } }
/* 上のバーの高さ ここまで */