/* ===== MOKOMOKO 森林 · 心理測驗 PWA ===== */
:root{
  --cream:#f1e8d2;
  --cream-d:#e7dabb;
  --green:#6f8f5f;
  --green-d:#566f49;
  --ink:#4a4031;
  --wood:#e3cf8f;
  --wood-d:#c9ad63;
  --shadow:0 10px 30px rgba(74,64,49,.22);
}

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(125% 85% at 50% 8%, #f7f0de 0%, var(--cream) 42%, #d4d8c2 100%);
  overflow:hidden;
  position:fixed;
  inset:0;
  width:100%;
  -webkit-user-select:none;user-select:none;
  touch-action:manipulation;
}

#app{position:fixed;inset:0;}

/* ---- 畫面切換 ---- */
.screen{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .5s ease;
  pointer-events:none;
}
.screen.active{opacity:1;visibility:visible;pointer-events:auto;}

/* ---- 舞台（保持各圖原比例、完整不裁切） ---- */
.frame{
  position:relative;
  width:min(100vw, calc(100dvh * var(--ratio)));
  height:min(100dvh, calc(100vw / var(--ratio)));
  aspect-ratio:var(--ratio);
}
.frame .bg{
  width:100%;height:100%;
  object-fit:cover;display:block;
  border-radius:16px;
  box-shadow:0 14px 36px rgba(74,64,49,.20), 0 4px 12px rgba(74,64,49,.12);
  -webkit-user-drag:none;
}

/* ---- 透明點擊區（封面/前言/揭曉：整張可點） ---- */
.tap-zone{
  position:absolute;inset:0;
  background:transparent;border:0;
  cursor:pointer;
}

/* ---- 題目選項熱區（由 JS 設定 top/height） ---- */
.hot{
  position:absolute;left:7%;width:85%;
  background:transparent;border:0;
  cursor:pointer;border-radius:18px;
  transition:background .15s ease, transform .1s ease;
}
.hot:active{background:rgba(111,143,95,.22);transform:scale(.985);}
/* 選取效果：被選的卡片保持原貌、僅以柔光微微「亮起」；
   其餘選項稍微淡出，自然襯托出所選——不蓋濾鏡、不畫硬框 */
.hot.selected{
  background:transparent;
  box-shadow:0 0 22px 5px rgba(150,160,105,.50);
  animation:selGlow 2.2s ease-in-out infinite;
}
/* 未選取的選項（已有選擇時）：輕輕壓暗，讓焦點落在所選卡片 */
.hot.dim{
  background:rgba(78,74,56,.22);
}
/* 柔光呼吸（被選卡片低調地持續「亮著」） */
@keyframes selGlow{
  0%,100%{box-shadow:0 0 16px 3px rgba(150,160,105,.36);}
  50%{box-shadow:0 0 28px 7px rgba(150,160,105,.56);}
}

/* ---- 題目畫面：卡片在上、繼續前進在下（直向排列） ---- */
#screen-quiz{
  flex-direction:column;justify-content:center;gap:6px;
  padding-bottom:calc(10px + env(safe-area-inset-bottom));
}
#screen-quiz .frame{
  flex:0 0 auto;
  --availH:calc(100dvh - 116px - env(safe-area-inset-bottom));
  width:min(100vw, calc(var(--availH) * var(--ratio)));
  height:min(var(--availH), calc(100vw / var(--ratio)));
  max-height:var(--availH);
}

/* ---- 繼續前進 按鈕（卡片下方；選好選項後浮現） ---- */
.next-bar{
  flex:0 0 auto;
  height:100px;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
}
.next-bar.show{opacity:1;transform:none;pointer-events:auto;}
.next-btn{
  background:none;border:0;padding:0;cursor:pointer;
  width:min(62vw,300px);
  filter:drop-shadow(0 6px 10px rgba(74,64,49,.28));
  animation:bob2 2.2s ease-in-out infinite;
  transition:transform .12s ease, filter .12s ease;
}
.next-btn img{width:100%;display:block;-webkit-user-drag:none;}
.next-btn:active{transform:scale(.97);filter:brightness(.96);}

/* ---- 木牌按鈕圖（前言 開始散步） ---- */
.sign{
  position:absolute;left:50%;bottom:3%;
  transform:translateX(-50%);
  width:64%;max-width:340px;
  pointer-events:none;
  filter:drop-shadow(0 6px 10px rgba(74,64,49,.28));
  animation:bob 2.4s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(-6px);}}

/* ---- 封面提示 ---- */
.tap-hint{
  position:absolute;left:50%;bottom:2.5%;
  transform:translateX(-50%);
  font-size:13px;color:rgba(74,64,49,.6);
  letter-spacing:1px;
  animation:fade 2s ease-in-out infinite;
  pointer-events:none;white-space:nowrap;
}
@keyframes fade{0%,100%{opacity:.35;}50%{opacity:.85;}}

/* ---- 進度 ---- */
.progress{
  position:fixed;top:0;left:0;right:0;height:5px;
  background:rgba(86,111,73,.15);z-index:20;
}
.progress span{
  display:block;height:100%;width:14%;
  background:linear-gradient(90deg,var(--green),#9bbf7e);
  border-radius:0 4px 4px 0;
  transition:width .45s cubic-bezier(.3,.8,.3,1);
}
.qcount{
  position:fixed;top:12px;right:14px;z-index:20;
  font-size:13px;font-weight:600;color:var(--green-d);
  background:rgba(255,255,255,.65);
  padding:3px 11px;border-radius:999px;
  backdrop-filter:blur(4px);
  box-shadow:0 2px 6px rgba(74,64,49,.12);
}

/* ---- 揭曉畫面 ---- */
.reveal-inner{
  display:flex;flex-direction:column;align-items:center;
  gap:26px;padding:30px;text-align:center;
}
.reveal-deco{font-size:26px;letter-spacing:4px;opacity:.8;}
.reveal-text{
  font-size:clamp(19px,5.4vw,26px);line-height:2;color:var(--green-d);
  font-weight:600;letter-spacing:1px;
}
.sign-wrap{position:relative;display:inline-block;margin-top:6px;}
.sign-static{
  display:block;width:min(70vw,300px);
  filter:drop-shadow(0 6px 10px rgba(74,64,49,.28));
  animation:bob2 2.2s ease-in-out infinite;
}
@keyframes bob2{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
.sign-wrap .tap-zone{inset:-8% -4%;}

/* ---- 結果畫面 ---- */
#screen-result{
  flex-direction:column;gap:0;
  padding-bottom:calc(78px + env(safe-area-inset-bottom));
}
#screen-result .frame{
  flex:0 1 auto;
  --availH:calc(100dvh - 78px - env(safe-area-inset-bottom));
  width:min(100vw, calc(var(--availH) * var(--ratio)));
  height:min(var(--availH), calc(100vw / var(--ratio)));
  max-height:var(--availH);
}
#screen-result .frame .bg{object-fit:contain;}
.actions{
  position:fixed;left:0;right:0;bottom:0;
  display:flex;gap:10px;justify-content:center;
  padding:12px 16px calc(14px + env(safe-area-inset-bottom));
  background:linear-gradient(to top, var(--cream) 55%, rgba(241,232,210,0));
  z-index:15;
}
.wood-btn{
  font-family:inherit;font-size:15px;font-weight:700;color:var(--ink);
  background:linear-gradient(180deg,#f0dfa3,var(--wood));
  border:2px solid var(--wood-d);
  padding:12px 20px;border-radius:999px;
  box-shadow:var(--shadow);cursor:pointer;letter-spacing:1px;
  transition:transform .12s ease, filter .12s ease;
}
.wood-btn:active{transform:translateY(2px) scale(.98);filter:brightness(.96);}
.wood-btn.ghost{
  background:rgba(255,255,255,.7);border-color:var(--green);color:var(--green-d);
}

/* ---- 載入畫面 ---- */
.loader{background:radial-gradient(120% 80% at 50% 0%, #f6efdc 0%, var(--cream) 60%, #dfe2cf 100%);}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:18px;}
.loader-paw{font-size:46px;animation:paw 1.3s ease-in-out infinite;}
@keyframes paw{0%,100%{transform:translateY(0) rotate(-6deg);}50%{transform:translateY(-10px) rotate(6deg);}}
.loader-text{color:var(--green-d);font-weight:600;letter-spacing:2px;}
.loader-bar{width:180px;height:7px;border-radius:99px;background:rgba(86,111,73,.18);overflow:hidden;}
.loader-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),#9bbf7e);transition:width .3s ease;}

/* ---- Toast ---- */
.toast{
  position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(20px);
  background:rgba(74,64,49,.92);color:#fff;font-size:14px;
  padding:10px 18px;border-radius:999px;z-index:50;
  opacity:0;pointer-events:none;transition:opacity .25s ease, transform .25s ease;
  white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* 進場淡入 */
.screen.active .frame,.screen.active .reveal-inner{animation:rise .55s ease;}
@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.99);}to{opacity:1;transform:none;}}