/* ==========================================================
   分数レーサー — fraction-racer.css
   すべてのセレクタを .fr-root でスコープ化しテーマ干渉を防止
   ========================================================== */

.fr-root {
  --fr-good: #2ecc71;
  --fr-bad:  #e74c3c;
  --fr-gold: #f5c518;
  --fr-blue: #2d6cdf;
  --fr-max: #1f9e57;  /* 大きい方色 */
  --fr-min:  #e07b1a;  /* 小さい方色 */

  position: relative;
  width: 100%;
  /* 電子黒板・タブレットを想定した16:9ビューポート高さ */
  height: min(100vw * 9 / 16, 92vh);
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
  background: #0c1326;
  font-family: "Hiragino Maru Gothic ProN", "BIZ UDPGothic", system-ui, sans-serif;
  color: #fff;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  /* Cocoonテーマの body 設定に引きずられないよう上書き */
  box-sizing: border-box;
}

.fr-root *, .fr-root *::before, .fr-root *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- Canvas ---------- */
.fr-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- HUD ---------- */
.fr-hud {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0,0,0,.6);
  font-weight: 800;
}
.fr-hud.hidden { display: none !important; }

.fr-hud-pill {
  background: rgba(16,24,46,.78);
  border-radius: 14px;
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 54px;
}
.fr-hud-pill small { font-size: 11px; font-weight: 700; opacity: .8; }
.fr-hud-pill b     { font-size: 20px; }

.fr-quest {
  flex: 1;
  text-align: center;
  font-size: clamp(18px, 5vw, 30px);
  color: #fff;
}
/* 修正: お題ワードを色分け表示（大きい方=緑 / 小さい方=オレンジ） */
.fr-quest-word { font-weight: 900; }
.fr-word-max  { color: var(--fr-max); text-shadow: 0 0 12px rgba(46,204,113,.7), 0 2px 4px rgba(0,0,0,.6); }
.fr-word-min   { color: var(--fr-min);  text-shadow: 0 0 12px rgba(255,152,0,.7),  0 2px 4px rgba(0,0,0,.6); }
.fr-lives b    { font-size: 18px; }

/* 修正: れんしゅう終了・チャレンジ中断用の「やめる」ボタン */
.fr-quit {
  pointer-events: auto;
  border: none;
  border-radius: 12px;
  background: rgba(16,24,46,.78);
  color: #cfd8ea;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  cursor: pointer;
  font-family: inherit;
}
.fr-quit:active { background: rgba(60,72,110,.9); }

/* ---------- コンボ・判定・レベルアップ ---------- */
.fr-combo {
  position: absolute;
  top: 70px; left: 50%;
  transform: translateX(-50%);
  font-size: 34px; font-weight: 900;
  color: var(--fr-gold); opacity: 0;
  text-shadow: 0 3px 0 #b8860b, 0 0 18px rgba(245,197,24,.8);
  pointer-events: none;
}
/* 修正: 走行を止めないレベルアップ・トースト */
.fr-level-toast {
  position: absolute;
  top: 30%; left: 50%;
  transform: translateX(-50%);
  font-size: clamp(24px, 6vw, 40px);
  font-weight: 900;
  color: #9fe0ff;
  opacity: 0;
  text-shadow: 0 3px 0 #1a5f8a, 0 0 22px rgba(120,200,255,.9);
  pointer-events: none;
  white-space: nowrap;
}
.fr-judge {
  position: absolute;
  top: 42%; left: 50%;
  transform: translate(-50%, -50%) scale(1);
  font-size: 90px; font-weight: 900;
  opacity: 0; pointer-events: none;
}

/* ---------- 操作ボタン ---------- */
.fr-controls {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  pointer-events: none;
}
.fr-controls.hidden { display: none !important; }

.fr-ctrl-btn {
  pointer-events: auto;
  width: 92px; height: 92px;
  border: none; border-radius: 50%;
  background: rgba(45,108,223,.9);
  color: #fff; font-size: 42px; font-weight: 900;
  box-shadow: 0 6px 0 #1a4ba0, 0 8px 16px rgba(0,0,0,.4);
  cursor: pointer;
  transition: transform .06s, box-shadow .06s;
}
.fr-ctrl-btn:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #1a4ba0;
}

/* ---------- 画面共通 ---------- */
.fr-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px;
  background: rgba(8,12,28,.55);
  text-align: center;
}
.fr-screen.hidden { display: none !important; }

.fr-game-title {
  font-size: clamp(34px, 9vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  text-shadow:
    0 4px 0 rgba(20,40,90,.9),
    0 0 26px rgba(90,160,255,.55);
  display: flex;
  flex-direction: column;
}
.fr-game-title small {
  font-size: clamp(12px, 2.6vw, 16px);
  letter-spacing: .35em;
  color: var(--fr-gold);
  font-weight: 800;
}

.fr-road-divider {
  width: min(320px, 70%);
  height: 6px;
  border-radius: 3px;
  background: repeating-linear-gradient(
    90deg,
    #f5c518 0 26px,
    transparent 26px 44px
  );
  opacity: .9;
}

.fr-lead {
  font-size: clamp(14px, 3.6vw, 19px);
  line-height: 1.8;
  font-weight: 700;
  color: #dce6f7;
  text-shadow: 0 2px 4px rgba(0,0,0,.6);
}

/* ---------- ボタン ---------- */
.fr-big-btn {
  border: none;
  border-radius: 999px;
  padding: 16px 56px;
  font-size: clamp(19px, 4.6vw, 25px);
  font-weight: 900;
  color: #14213d;
  background: linear-gradient(180deg, #ffe27a, #f5c518);
  box-shadow: 0 6px 0 #b8860b, 0 10px 20px rgba(0,0,0,.45);
  cursor: pointer;
  font-family: inherit;
  transition: transform .06s, box-shadow .06s;
}
.fr-big-btn:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #b8860b;
}

.fr-sub-btn {
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 999px;
  padding: 9px 30px;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: rgba(255,255,255,.08);
  cursor: pointer;
  font-family: inherit;
}
.fr-sub-btn:active { background: rgba(255,255,255,.2); }

/* ---------- モード選択 ---------- */
.fr-mode-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.fr-mode-card {
  width: min(240px, 42vw);
  padding: 20px 14px;
  border-radius: 18px;
  background: rgba(24,34,66,.92);
  border: 2px solid rgba(140,170,230,.4);
  cursor: pointer;
  transition: transform .1s, border-color .1s;
}
.fr-mode-card:hover,
.fr-mode-card:active {
  transform: translateY(-3px);
  border-color: var(--fr-gold);
}
.fr-mc-title {
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 900;
  color: var(--fr-gold);
  margin-bottom: 8px;
}
.fr-mc-desc {
  font-size: clamp(12px, 3vw, 14px);
  line-height: 1.7;
  font-weight: 700;
  color: #cfd8ea;
}

/* ---------- お題選択（練習） ---------- */
.fr-panel {
  background: rgba(24,34,66,.92);
  border: 2px solid rgba(140,170,230,.4);
  border-radius: 18px;
  padding: 18px;
  max-width: min(560px, 92%);
}
.fr-parity-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.fr-opt {
  min-width: 128px;
  padding: 16px 14px;
  border-radius: 14px;
  background: rgba(45,58,100,.9);
  border: 2px solid rgba(140,170,230,.35);
  font-size: clamp(17px, 4.2vw, 21px);
  font-weight: 900;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform .08s, border-color .08s, background .08s;
}
.fr-opt small {
  font-size: 12px;
  font-weight: 700;
  color: #b9c6e2;
}
.fr-opt.sel {
  background: var(--fr-blue);
  border-color: #fff;
  transform: scale(1.05);
}
.fr-opt-max.sel { background: var(--fr-max); }
.fr-opt-min.sel  { background: var(--fr-min); }

/* ---------- アナウンス・結果 ---------- */
.fr-stage-no {
  font-size: clamp(18px, 4.6vw, 24px);
  font-weight: 900;
  letter-spacing: .2em;
  color: #9fc0ff;
}
.fr-stage-quest {
  font-size: clamp(26px, 7vw, 42px);
  font-weight: 900;
  color: var(--fr-gold);
  text-shadow: 0 3px 0 rgba(120,90,0,.7);
}
.fr-stage-meta {
  font-size: clamp(13px, 3.4vw, 17px);
  font-weight: 800;
  color: #cfd8ea;
}

.fr-result-score {
  font-size: clamp(44px, 12vw, 74px);
  font-weight: 900;
  color: var(--fr-gold);
  text-shadow: 0 4px 0 #b8860b, 0 0 24px rgba(245,197,24,.6);
  line-height: 1;
}
.fr-result-line {
  font-size: clamp(14px, 3.6vw, 18px);
  font-weight: 800;
  color: #dce6f7;
}
.fr-best {
  font-size: clamp(13px, 3.2vw, 16px);
  font-weight: 800;
  color: #9fe0ff;
}

/* ---------- レスポンシブ調整 ---------- */
@media (max-width: 520px) {
  .fr-ctrl-btn { width: 74px; height: 74px; font-size: 34px; }
  .fr-hud-pill b { font-size: 16px; }
  .fr-hud { gap: 6px; padding: 8px 10px; }
}