@charset "UTF-8";
/* ==========================================================================
   3. 數字製造機與位值探索舞台 (LEARN & NUMBER MACHINE)
   ========================================================================== */
/* ---------- number machine ---------- */
section.machine{
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 6px 6px 0 var(--shadow-ink);
  padding: 28px 22px 30px;
  margin-bottom: 48px;
}
.machine h2{ text-align:center; font-size: clamp(20px,3.4vw,26px); margin: 0 0 4px;}
.machine .sub{ text-align:center; color: var(--ink-soft); font-size:13.5px; margin-bottom: 22px;}

.display{
  display:flex;
  align-items:baseline;
  justify-content:center;
  gap: 4px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.display .digit{
  font-size: clamp(46px, 11vw, 72px);
  font-weight: 700;
  line-height: 1;
  padding: 0 3px;
  border-radius: 12px;
  transition: transform .18s ease;
}
.display .digit.th{ color: var(--th-color); }
.display .digit.h{ color: var(--h-color); }
.display .digit.t{ color: var(--t-color); }
.display .digit.o{ color: var(--o-color); }
.display.pop .digit{ transform: translateY(-6px) scale(1.04); }

.expand{
  text-align:center;
  color: var(--ink-soft);
  font-size: 14.5px;
  margin-bottom: 26px;
  min-height: 20px;
}
.expand b.th{ color: var(--th-color); }
.expand b.h{ color: var(--h-color); }
.expand b.t{ color: var(--t-color); }
.expand b.o{ color: var(--o-color); }

.toast{
  text-align:center;
  min-height: 22px;
  margin: -4px 0 20px;
  font-size: 13.5px;
  font-weight: 700;
  color: #2b6ef2;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .22s ease, transform .22s ease;
}
.toast.show{ opacity:1; transform: translateY(0); }

.columns{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.col{
  border-radius: 18px;
  padding: 14px 10px 16px;
  text-align:center;
  border: 2px solid var(--ink);
}
.col.carry-flash{ animation: carryFlashAnim .7s ease; }
@keyframes carryFlashAnim{
  0%{ box-shadow: 0 0 0 0 rgba(43,110,242,.55); }
  45%{ box-shadow: 0 0 0 7px rgba(43,110,242,.18); }
  100%{ box-shadow: 0 0 0 0 rgba(43,110,242,0); }
}
.col.th{ background: var(--th-soft); }
.col.h{ background: var(--h-soft); }
.col.t{ background: var(--t-soft); }
.col.o{ background: var(--o-soft); }

.col .label{
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 2px;
}
.col.th .label{ color: var(--th-color-dark); }
.col.h .label{ color: var(--h-color-dark, #1d4ed8); }
.col.t .label{ color: var(--t-color-dark); }
.col.o .label{ color: var(--o-color-dark); }

.col .place-name{ font-size:11.5px; color: var(--ink-soft); margin-bottom:10px; }

.col .count{
  font-size: 26px;
  font-weight: 800;
  margin: 6px 0 10px;
}
.col.th .count{ color: var(--th-color); }
.col.h .count{ color: var(--h-color); }
.col.t .count{ color: var(--t-color); }
.col.o .count{ color: var(--o-color); }

.flyer{
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  box-shadow: 0 3px 10px rgba(0,0,0,.25);
  transition: left .56s cubic-bezier(.32,.72,.35,1), top .56s cubic-bezier(.32,.72,.35,1), transform .56s ease, opacity .3s ease;
}
.bundle-pulse{ animation: bundlePulseAnim .26s ease; }
@keyframes bundlePulseAnim{
  0%{ transform: scale(1); }
  50%{ transform: scale(1.2); }
  100%{ transform: scale(1); }
}

.blocks-box{
  min-height: 74px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap: 5px;
  margin-bottom: 12px;
  padding: 4px 2px;
}

.ctrl{ display:flex; align-items:center; justify-content:center; gap:22px; }
.ctrl button{
  width: 56px; height: 56px;
  border-radius: 14px;
  border: 2px solid var(--ink);
  background: var(--surface);
  font-size: 26px;
  font-weight: 800;
  cursor:pointer;
  box-shadow: 4px 4px 0 var(--shadow-ink);
  transition: transform .08s ease, box-shadow .08s ease, background .12s ease;
}
.ctrl button:hover:not(:disabled){
  background: var(--surface-dim);
}
.ctrl button:active:not(:disabled){
  transform: translate(3px,3px);
  box-shadow: 0 0 0 var(--shadow-ink);
}
.ctrl button:disabled{ opacity:.35; cursor:not-allowed; }
.ctrl button:focus-visible{ outline: 3px solid #2b6ef2; outline-offset:2px; }

.machine-foot{
  display:flex;
  justify-content:center;
  margin-top: 22px;
}
.ghost-btn{
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 13px 26px;
  min-height: 48px;
  font-size: 15.5px;
  font-weight: 700;
  cursor:pointer;
  box-shadow: 3px 3px 0 var(--shadow-ink);
  transition: transform .08s ease, box-shadow .08s ease;
}
.ghost-btn:active{ transform: translate(2px,2px); box-shadow: 0 0 0 var(--shadow-ink); }
.ghost-btn:focus-visible{ outline: 3px solid #2b6ef2; outline-offset:2px; }