:root {
  --red: #d3121f;
  --red-deep: #7a0710;
  --gold: #ffd23f;
  --gold-deep: #b47a00;
  --cream: #fff6d6;
  --ink: #2b0508;
  --scene-h: 100%;
}

/*
  尺寸單位：1rem
  - 橫式（電腦、手機橫拿）：舞台固定 16:9，1rem = 舞台寬度的 1%
  - 直式（手機直拿）：舞台填滿整個螢幕，1rem ≈ 螢幕寬度的 2.4%
*/
html { font-size: min(1vw, 1.7778vh); }
@supports (height: 1dvh) { html { font-size: min(1vw, 1.7778dvh); } }
@media (orientation: portrait) {
  html { font-size: min(2.4vw, 1.2vh); }
  @supports (height: 1dvh) { html { font-size: min(2.4vw, 1.2dvh); } }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #120203;
  overflow: hidden;
  color: #fff;
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

body { display: grid; place-items: center; }

/* 舞台填滿整個視窗（電腦 1920×1080 全螢幕剛好 16:9；視窗比例不同時圖片會裁切邊緣） */
#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #300;
  user-select: none;
  -webkit-user-select: none;
}
@supports (height: 1dvh) { #app { height: 100dvh; } }

/* 粗外框字（昭和綜藝字幕風） */
#chant, #banner, #roundLabel, .endTitle, #jajan, .handcard .who {
  --o: .28rem;
  --oc: var(--red-deep);
  text-shadow:
    var(--o) 0 var(--oc), calc(var(--o) * -1) 0 var(--oc),
    0 var(--o) var(--oc), 0 calc(var(--o) * -1) var(--oc),
    var(--o) var(--o) var(--oc), calc(var(--o) * -1) var(--o) var(--oc),
    var(--o) calc(var(--o) * -1) var(--oc), calc(var(--o) * -1) calc(var(--o) * -1) var(--oc),
    0 calc(var(--o) * 2.6) 0 rgba(0, 0, 0, .55);
}

/* ---------- 場景 ---------- */
#scene { position: absolute; left: 0; right: 0; top: 0; height: var(--scene-h); overflow: hidden; transform-origin: 50% 35%; }
#scene.pulse { animation: pulse .22s ease-out; }
#scene.shake { animation: shake .45s ease-in-out; }
@keyframes pulse { from { transform: scale(1.022); } to { transform: scale(1); } }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-1.2rem) rotate(-.4deg); }
  40% { transform: translateX(1rem) rotate(.3deg); }
  60% { transform: translateX(-.6rem); }
  80% { transform: translateX(.4rem); }
}

.bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: var(--focus, 52%) 20%;
  opacity: 0; transition: opacity .45s ease;
}
.bg.show { opacity: 1; }

#fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 40; }

/* ---------- HUD ---------- */
#hud {
  position: absolute; top: 1.2rem; left: 1.5rem; right: 1.5rem;
  display: flex; align-items: flex-start; justify-content: space-between;
  z-index: 10; pointer-events: none;
  opacity: 0; transform: translateY(-3rem); transition: .4s;
}
.mode-game #hud, .mode-end #hud { opacity: 1; transform: none; }

#hud .side {
  background: linear-gradient(180deg, rgba(120, 6, 16, .88), rgba(60, 0, 6, .88));
  border: .25rem solid var(--gold);
  border-radius: 1.2rem;
  padding: .5rem 1.2rem .7rem;
  box-shadow: 0 .4rem 1.2rem rgba(0, 0, 0, .45);
  min-width: 20rem;
}
#hud .you { text-align: right; }
#hud .name { font-family: 'Dela Gothic One', sans-serif; font-size: 1.8rem; color: var(--gold); letter-spacing: .1em; white-space: nowrap; }
#hud .name small { font-size: 1.1rem; color: var(--cream); margin-left: .4em; }
#hud .items { display: flex; gap: .6rem; margin-top: .3rem; font-size: 2.5rem; }
#hud .you .items { justify-content: flex-end; }
.item { position: relative; display: inline-block; transition: .4s; }
.item.gone { filter: grayscale(1) brightness(.6); opacity: .35; }
.item.gone::after {
  content: '✕'; position: absolute; inset: 0; display: grid; place-items: center;
  color: #ff3040; font-weight: 900; font-size: 1.1em; text-shadow: 0 0 .3rem #000;
}
.item.flyoff { animation: flyoff .9s ease-in forwards; }
@keyframes flyoff {
  0% { transform: none; }
  30% { transform: translateY(-1.5rem) scale(1.6) rotate(-15deg); }
  100% { transform: translateY(6rem) scale(.6) rotate(200deg); opacity: .35; }
}

#roundLabel {
  font-family: 'Dela Gothic One', sans-serif; font-size: 2.6rem; color: var(--gold);
  margin-top: .4rem; letter-spacing: .08em; white-space: nowrap;
}

/* ---------- 出拳卡 ---------- */
/* 你 = 右邊藍色、美咲 = 左邊紅色，手的圖都朝向畫面中間 */
.handcard {
  --c: #1f6fe0; --c2: #0b3c8c;
  position: absolute; top: 17%; width: 19rem; z-index: 12;
  text-align: center; pointer-events: none;
  opacity: 0; transform: scale(.3) rotate(20deg);
  transition: opacity .2s, transform .35s cubic-bezier(.2, 1.8, .4, 1);
}
.handcard.you { right: 4%; }
.handcard.her { left: 4%; --c: #e0142a; --c2: #7a0710; transform: scale(.3) rotate(-20deg); }
.handcard.show { opacity: 1; transform: none; }
.handcard .who {
  display: inline-block; font-family: 'Dela Gothic One', sans-serif; font-size: 2.4rem; color: #fff;
  background: var(--c); border: .25rem solid #fff; border-radius: 99px; padding: .1rem 1.6rem;
  --o: .15rem; --oc: var(--c2); box-shadow: 0 .4rem 1rem rgba(0, 0, 0, .45);
}
.handcard .hand {
  position: relative; margin: .6rem auto; width: 15.5rem; height: 15.5rem; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff 0 55%, #fff1c4 75%, #ffd36b);
  border: .6rem solid var(--c); box-shadow: 0 0 0 .35rem var(--gold), 0 .8rem 2rem rgba(0, 0, 0, .5);
  overflow: hidden;
}
.handcard .hand img { position: absolute; inset: 6%; width: 88%; height: 88%; object-fit: contain; }
.handcard.you .hand img { transform: scaleX(-1); }
.handcard .lbl {
  display: inline-block; background: var(--c); border: .3rem solid var(--gold); color: #fff;
  border-radius: 1rem; padding: .1rem 1.6rem .2rem; font-weight: 900; font-size: 3.2rem; line-height: 1.2; white-space: nowrap;
  box-shadow: 0 .4rem 1rem rgba(0, 0, 0, .45);
}
.handcard .lbl small { font-size: .5em; margin-left: .4em; opacity: .9; }
.handcard.winner .hand { animation: glow .6s ease-in-out infinite alternate; }
.handcard.loser { filter: saturate(.55) brightness(.82); }
@keyframes glow { to { box-shadow: 0 0 0 .35rem var(--gold), 0 0 3.5rem 1.2rem rgba(255, 220, 60, .95); } }

/* ---------- 對話框 ---------- */
#bubble {
  position: absolute; left: 60%; top: 13%; max-width: 25rem; z-index: 12;
  background: #fff; color: var(--ink); border: .3rem solid var(--red);
  border-radius: 2rem; padding: 1rem 1.5rem; font-weight: 900; font-size: 1.7rem; line-height: 1.45;
  white-space: pre-line; box-shadow: 0 .6rem 1.5rem rgba(0, 0, 0, .4);
  opacity: 0; transform: scale(.6); transform-origin: 0% 100%;
  transition: opacity .2s, transform .3s cubic-bezier(.2, 1.6, .4, 1);
  pointer-events: none;
}
#bubble::before {
  content: ''; position: absolute; left: -1.6rem; bottom: 1.2rem;
  border: .9rem solid transparent; border-right: 1.4rem solid var(--red);
}
#bubble.show { opacity: 1; transform: none; }

/* ---------- 喊聲 ---------- */
#chant {
  position: absolute; left: 0; right: 0; top: 56%; z-index: 15;
  text-align: center; pointer-events: none; white-space: nowrap;
  font-family: 'Dela Gothic One', sans-serif; font-size: 9.5rem; color: #fff8c8;
  --o: .45rem; --oc: #c00d18;
}
#chant .w { display: inline-block; animation: pop .32s cubic-bezier(.2, 1.7, .4, 1) both; }
#chant .w.big { color: #fff; font-size: 1.25em; animation: popBig .38s cubic-bezier(.2, 1.9, .4, 1) both; }
#chant .w.small { font-size: .55em; color: var(--gold); }
#chant .sub {
  display: block; width: max-content; margin: .6rem auto 0; padding: .3rem 2rem;
  font-family: 'Noto Sans TC', sans-serif; font-weight: 900; font-size: 3rem; line-height: 1.3;
  color: #fff; text-shadow: none; background: rgba(160, 0, 16, .9);
  border: .3rem solid var(--gold); border-radius: 99px; box-shadow: 0 .5rem 1.2rem rgba(0, 0, 0, .5);
  animation: subIn .3s cubic-bezier(.2, 1.7, .4, 1) .08s both;
}
@keyframes subIn { from { transform: translateY(1rem) scale(.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pop { from { transform: scale(2.4) rotate(-10deg); opacity: 0; } to { transform: scale(1) rotate(-3deg); opacity: 1; } }
@keyframes popBig { from { transform: scale(3.2) rotate(12deg); opacity: 0; } to { transform: scale(1) rotate(2deg); opacity: 1; } }

#banner {
  position: absolute; left: 0; right: 0; top: 33%; z-index: 16; text-align: center; pointer-events: none;
  font-family: 'Dela Gothic One', sans-serif; font-size: 13rem; opacity: 0; white-space: nowrap;
  --o: .55rem;
}
#banner.show { animation: bannerIn .5s cubic-bezier(.2, 1.7, .4, 1) both; }
#banner.win { color: #ffe14a; --oc: #b00010; }
#banner.lose { color: #9fd0ff; --oc: #0b2a6b; }
#banner.draw { color: #fff; --oc: #5b2a00; }
@keyframes bannerIn { from { transform: scale(3) rotate(-12deg); opacity: 0; } to { transform: scale(1) rotate(-4deg); opacity: 1; } }

#telop {
  position: absolute; left: 50%; bottom: 5%; z-index: 32; pointer-events: none;
  transform: translate(-50%, 2rem); opacity: 0; transition: .35s;
  background: linear-gradient(180deg, #ffe867, #ffb800); color: var(--ink);
  border: .3rem solid #fff; outline: .3rem solid var(--red);
  padding: .5rem 2.5rem; border-radius: .6rem; white-space: nowrap;
  font-weight: 900; font-size: 2.3rem; box-shadow: 0 .6rem 1.6rem rgba(0, 0, 0, .5);
}
#telop.show { opacity: 1; transform: translate(-50%, 0); }
#telop b { color: var(--red); }

/* ---------- 攝影機 ---------- */
#camPanel {
  position: absolute; z-index: 11; display: none;
  background: rgba(30, 0, 4, .85); border: .3rem solid var(--gold); border-radius: 1.2rem;
  padding: .5rem; box-shadow: 0 .6rem 1.8rem rgba(0, 0, 0, .55);
  transition: box-shadow .2s;
}
.mode-setup #camPanel, .mode-game #camPanel { display: block; }
.nocam #camPanel { display: none !important; }
.mode-game #camPanel { left: 1.5rem; bottom: 1.5rem; width: 21rem; }
.mode-setup #camPanel { left: 7rem; top: 9rem; width: 38rem; z-index: 21; }
#camPanel.armed { box-shadow: 0 0 0 .4rem #fff, 0 0 3rem 1rem rgba(255, 210, 60, .9); }
.camBox { position: relative; width: 100%; aspect-ratio: var(--cam-ar, 4 / 3); border-radius: .8rem; overflow: hidden; background: #000; }
#cam, #camOverlay { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
#camLabel { text-align: center; font-weight: 900; font-size: 1.5rem; padding-top: .4rem; color: #bbb; white-space: nowrap; }
.mode-setup #camLabel { font-size: 2.2rem; }

/* ---------- 觸控出拳按鈕 ---------- */
#touchHands { position: absolute; z-index: 13; display: none; gap: 1rem; }
.mode-game.nocam #touchHands, .mode-game.touch #touchHands { display: flex; }
#touchHands button {
  width: 8rem; height: 8rem; border-radius: 50%; cursor: pointer; padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(circle at 40% 35%, #fff 0 55%, #fff1c4 75%, #ffd36b);
  border: .4rem solid var(--red); box-shadow: 0 0 0 .25rem var(--gold), 0 .5rem 1.2rem rgba(0, 0, 0, .5);
  transition: transform .08s;
}
#touchHands button img { width: 68%; height: 68%; object-fit: contain; pointer-events: none; }
#touchHands button span { font-weight: 900; font-size: 1.3rem; line-height: 1; color: var(--ink); pointer-events: none; }
#touchHands button.picked { border-color: #fff; box-shadow: 0 0 0 .3rem var(--gold), 0 0 1.8rem .6rem rgba(255, 220, 60, .9); }
#touchHands button.on { transform: scale(1.18); box-shadow: 0 0 0 .3rem #fff, 0 0 2rem .8rem rgba(255, 220, 60, .95); }
.mode-game #touchHands { right: 10rem; bottom: 1.5rem; }

/* ---------- 紅白幕 ---------- */
.curtain {
  position: absolute; top: 0; bottom: 0; width: 50.5%; z-index: 30;
  background:
    repeating-linear-gradient(90deg, rgba(0, 0, 0, .18) 0 .6rem, transparent .6rem 3.4rem, rgba(0, 0, 0, .14) 3.4rem 4rem, transparent 4rem 7rem),
    repeating-linear-gradient(90deg, #d0101e 0 7rem, #fbf6ef 7rem 14rem);
  box-shadow: inset 0 -3rem 4rem rgba(0, 0, 0, .25);
  transition: transform .55s cubic-bezier(.7, 0, .3, 1);
}
.curtain::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 4rem;
  background: repeating-linear-gradient(90deg, var(--gold) 0 1rem, var(--gold-deep) 1rem 2rem);
  box-shadow: 0 .4rem 1rem rgba(0, 0, 0, .4);
}
.curtain.left { left: 0; transform: translateX(-101%); }
.curtain.right { right: 0; transform: translateX(101%); }
.curtain.closed { transform: none; }

#jajan {
  position: absolute; left: 0; right: 0; top: 40%; text-align: center; z-index: 31; pointer-events: none;
  font-family: 'Dela Gothic One', sans-serif; font-size: 8rem; color: var(--gold); opacity: 0; white-space: nowrap;
  --o: .5rem;
}
#jajan.show { animation: bannerIn .45s cubic-bezier(.2, 1.7, .4, 1) both; }

/* ---------- 畫面 ---------- */
.screen { position: absolute; inset: 0; z-index: 20; display: none; }
.mode-title #titleScreen, .mode-setup #setupScreen, .mode-end #endScreen { display: block; }

.titleArt, .titleArt img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
#titleScreen .titleButtons {
  position: absolute; left: 0; right: 0; bottom: 6%;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
#loadMsg {
  min-height: 2rem; max-width: 90%; text-align: center;
  font-weight: 900; font-size: 1.6rem; color: #fff; text-shadow: 0 0 .5rem #000, 0 0 1rem #000;
}
#loadMsg.err { color: #ffd0d0; }

#setupScreen { background: rgba(25, 0, 3, .62); backdrop-filter: blur(.25rem); -webkit-backdrop-filter: blur(.25rem); }
.setupCard {
  position: absolute; right: 6rem; top: 6rem; width: 44rem;
  background: linear-gradient(180deg, rgba(140, 8, 20, .95), rgba(70, 0, 8, .95));
  border: .35rem solid var(--gold); border-radius: 1.6rem; padding: 1.8rem 2.2rem;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, .6);
}
.nocam .setupCard { right: 50%; transform: translateX(50%); }
.setupCard h2 { font-family: 'Dela Gothic One', sans-serif; font-weight: 400; font-size: 3rem; color: var(--gold); text-align: center; }
.nocam .gestureRow { display: none; }
.gestureRow { display: flex; justify-content: space-around; margin: 1.2rem 0; }
.gestureRow .g {
  width: 11rem; padding: .6rem 0; border-radius: 1rem; text-align: center;
  background: rgba(0, 0, 0, .3); border: .25rem solid rgba(255, 255, 255, .15);
  font-weight: 900; font-size: 1.6rem; transition: .15s;
}
.gestureRow .g img { display: block; width: 7rem; height: 7rem; margin: 0 auto .2rem; object-fit: contain; background: #fff; border-radius: 50%; }
.gestureRow .g small { display: block; font-size: 1.2rem; opacity: .8; }
.gestureRow .g.on { background: var(--gold); color: var(--ink); border-color: #fff; transform: scale(1.08); }
.rules { list-style: none; font-size: 1.45rem; line-height: 1.65; margin: 1rem 0 1.6rem; }
.rules li { padding-left: 1.4em; position: relative; margin-bottom: .3rem; }
.rules li::before { content: '⚾'; position: absolute; left: 0; }
.rules b { color: var(--gold); }
.touch .kbOnly, .touchOnly { display: none; }
.touch .touchOnly { display: block; }
kbd {
  display: inline-block; min-width: 1.6em; text-align: center; padding: 0 .3em;
  background: #fff; color: var(--ink); border-radius: .3em; font-weight: 900; box-shadow: 0 .15em 0 #999;
}
.setupCard .btn { display: block; margin: 0 auto; }

#endScreen { background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, .55)); }
.endTitle {
  position: absolute; left: 0; right: 0; top: 52%; text-align: center; white-space: nowrap;
  font-family: 'Dela Gothic One', sans-serif; font-size: 11rem; color: var(--gold);
  --o: .55rem; animation: bannerIn .6s cubic-bezier(.2, 1.7, .4, 1) both;
}
.endTitle.lose { color: #9fd0ff; --oc: #0b2a6b; }
.endSub {
  position: absolute; left: 0; right: 0; top: 74%; text-align: center; padding: 0 2rem;
  font-weight: 900; font-size: 2.4rem; text-shadow: 0 0 .6rem #000, 0 .2rem .3rem #000;
}
.endButtons { position: absolute; left: 0; right: 0; bottom: 5%; display: flex; justify-content: center; }

.btn {
  font-family: 'Noto Sans TC', sans-serif; font-weight: 900; cursor: pointer; color: #fff;
  background: linear-gradient(180deg, #ff3b3b, #b5000c); border: .3rem solid var(--gold);
  border-radius: 99px; box-shadow: 0 .45rem 0 #5e0007, 0 .8rem 2rem rgba(0, 0, 0, .5);
  text-shadow: 0 .15rem 0 rgba(0, 0, 0, .4); transition: transform .1s, filter .1s;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-.15rem); }
.btn:active { transform: translateY(.3rem); box-shadow: 0 .15rem 0 #5e0007; }
.btn:disabled { filter: grayscale(.7) brightness(.8); cursor: wait; }
.btn.big { font-size: 2.4rem; padding: .9rem 4rem; }
.btn.small { font-size: 1.4rem; padding: .5rem 2rem; background: linear-gradient(180deg, #5a4a3a, #2c1f14); }

#toolbar { position: absolute; right: 1rem; bottom: 1rem; z-index: 50; display: flex; gap: .6rem; }
#toolbar button {
  width: 3.4rem; height: 3.4rem; border-radius: 50%; border: .2rem solid var(--gold);
  background: rgba(40, 0, 5, .75); color: #fff; font-size: 1.6rem; cursor: pointer;
}
.mode-game #toolbar { opacity: .55; }
.mode-game #toolbar:hover { opacity: 1; }
.nofs #btnFull { display: none; }

/* ======================================================
   直式（手機直拿）：上面是舞台，下面是攝影機與出拳按鈕
   ====================================================== */
@media (orientation: portrait) {
  #app {
    background:
      radial-gradient(ellipse at 50% 0%, rgba(255, 190, 60, .25), transparent 60%),
      repeating-linear-gradient(90deg, #5a0710 0 3rem, #4a040c 3rem 6rem);
  }
  .mode-game { --scene-h: calc(100% - 18.5rem - env(safe-area-inset-bottom, 0px)); }
  .mode-game #scene { border-bottom: .35rem solid var(--gold); box-shadow: 0 .4rem 1.2rem rgba(0, 0, 0, .6); }
  /* 上方留一條記分板帶，舞台圖從記分板下面開始，人物的頭不會被擋住 */
  #scene { background: linear-gradient(180deg, #2c0307, #6e0b14 85%, var(--gold-deep)); }
  .bg { top: 10.8rem; height: calc(100% - 10.8rem); }

  #hud { top: .8rem; left: .8rem; right: .8rem; flex-wrap: wrap; }
  #hud .side { min-width: 0; flex: 0 1 48.5%; padding: .4rem .8rem .5rem; border-radius: 1rem; }
  #hud .name { font-size: 1.5rem; }
  #hud .name small { font-size: 1rem; }
  #hud .items { font-size: 2.3rem; gap: .4rem; }
  #roundLabel { order: 3; flex-basis: 100%; text-align: center; font-size: 1.9rem; margin-top: .2rem; }

  /* 出拳卡放舞台上半部、勝負字放下半部，兩者不重疊 */
  .handcard { top: calc(var(--scene-h) * .3); width: 16rem; }
  .handcard.you { right: 1.5%; }
  .handcard.her { left: 1.5%; }
  .handcard .who { font-size: 1.9rem; padding: .1rem 1.2rem; }
  .handcard .hand { width: 14rem; height: 14rem; border-width: .5rem; }
  .handcard .lbl { font-size: 2.6rem; padding: .1rem 1.2rem .2rem; }

  #bubble { left: 55%; top: 23%; max-width: 18rem; font-size: 1.45rem; padding: .8rem 1rem; border-radius: 1.4rem; }
  #chant { top: 40%; font-size: 7.2rem; }
  #chant .sub { font-size: 2.3rem; padding: .3rem 1.4rem; }
  #banner { top: calc(var(--scene-h) - 13rem); font-size: 9.5rem; }
  #telop {
    bottom: auto; top: calc(var(--scene-h) - 5rem); white-space: normal; text-align: center;
    width: max-content; max-width: 94%; font-size: 1.6rem; padding: .4rem 1.4rem;
  }
  .mode-end #telop { top: auto; bottom: 5%; }

  /* 遊戲中：小攝影機在左下、出拳按鈕橫排在右下，舞台佔掉其餘空間 */
  .mode-game #camPanel { left: 1rem; top: calc(var(--scene-h) + .8rem); bottom: auto; width: auto; padding: .4rem; }
  .mode-game .camBox { width: 12.5rem; aspect-ratio: 1; }
  .mode-game #camLabel { font-size: 1.15rem; }
  .mode-game #touchHands {
    right: 1rem; top: calc(var(--scene-h) + .8rem); bottom: calc(1.2rem + env(safe-area-inset-bottom, 0px));
    flex-direction: row; align-items: center; gap: .7rem;
  }
  .mode-game #touchHands button { width: 7.6rem; height: 7.6rem; }
  /* 沒開攝影機：按鈕置中、貼近下方方便拇指按 */
  .mode-game.nocam { --scene-h: calc(100% - 16rem - env(safe-area-inset-bottom, 0px)); }
  .mode-game.nocam #touchHands {
    left: 50%; right: auto; transform: translateX(-50%); top: auto;
    bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px)); gap: 2rem;
  }
  .mode-game.nocam #touchHands button { width: 11rem; height: 11rem; }
  .mode-game.nocam #touchHands button span { font-size: 1.6rem; }

  /* 出拳測試：攝影機在上、說明卡在下 */
  #setupScreen { overflow-y: auto; }
  .mode-setup #camPanel { left: 50%; top: 2rem; transform: translateX(-50%); width: auto; }
  .mode-setup .camBox { width: min(26rem, calc(34vh - 4rem)); aspect-ratio: 1; }
  .setupCard {
    position: relative; right: auto; top: auto; transform: none;
    width: 40rem; margin: calc(min(26rem, 34vh - 4rem) + 8rem) auto 2rem; padding: 1.4rem 1.6rem;
  }
  .nocam .setupCard { right: auto; transform: none; margin-top: 6rem; }
  .setupCard h2 { font-size: 2.6rem; }
  .gestureRow { margin: .8rem 0; }
  .gestureRow .g { width: 10.5rem; }
  .rules { font-size: 1.4rem; }

  .endTitle { top: 44%; font-size: 8.5rem; }
  .endSub { top: 60%; font-size: 1.8rem; }

  .btn.big { font-size: 2.2rem; padding: .9rem 3.5rem; }
  .btn.small { font-size: 1.5rem; }

  #toolbar { right: .8rem; bottom: auto; top: 9rem; flex-direction: column; }
  .mode-title #toolbar, .mode-setup #toolbar { top: auto; bottom: .8rem; flex-direction: row; }
}