/*
  사다리타기 — 모바일 세로 우선.
  캔버스가 화면을 꽉 채우지 않는다. 자동 광고가 들어갈 여백이 필요하다.
*/

.bw-ladder-shell {
  width: min(560px, calc(100% - 1rem));
  margin: 0 auto;
  padding: 0.65rem 0 1.75rem;
}

/* ── 시작 전 설정 ── */
.bw-ladder-setup {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--bw-border);
  border-radius: 0.9rem;
  background: var(--bw-surface);
}

.bw-ladder-field {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  align-items: center;
  gap: 0.6rem;
}

.bw-ladder-field > span {
  color: var(--bw-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.bw-ladder-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.bw-ladder-seg button {
  flex: 1 1 auto;
  min-width: 2.6rem;
  min-height: 2.5rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--bw-border);
  border-radius: 0.6rem;
  background: transparent;
  color: var(--bw-muted);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.bw-ladder-seg button.is-active {
  border-color: var(--bw-accent);
  background: var(--bw-accent-soft);
  color: var(--bw-text);
}

.bw-ladder-btn {
  min-height: 2.9rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--bw-accent);
  border-radius: 0.7rem;
  background: var(--bw-accent-soft);
  color: var(--bw-text);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
}

.bw-ladder-btn-ghost {
  border-color: var(--bw-border);
  background: transparent;
  color: var(--bw-muted);
}

/* ── 진행 중 ── */
.bw-ladder-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.bw-ladder-status {
  margin: 0;
  color: var(--bw-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.bw-ladder-actions {
  display: flex;
  gap: 0.4rem;
}

.bw-ladder-actions button {
  min-height: 2.2rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--bw-border);
  border-radius: 999px;
  background: transparent;
  color: var(--bw-muted);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

/* 출발 번호. 최소 터치 영역을 지킨다. */
.bw-ladder-cols {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 0.35rem;
}

.bw-ladder-col {
  flex: 1 1 0;
  min-width: 0;
  min-height: 2.75rem;
  border: 1px solid var(--col-color, var(--bw-border));
  border-radius: 0.55rem;
  background: transparent;
  color: var(--col-color, var(--bw-text));
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.bw-ladder-col:hover:not(:disabled) {
  transform: translateY(-2px);
}

.bw-ladder-col.is-used {
  opacity: 0.28;
  cursor: default;
}

.bw-ladder-stage {
  position: relative;
  border: 1px solid var(--bw-border);
  border-radius: 0.9rem;
  background: var(--bw-surface);
  overflow: hidden;
  transition: background 0.3s ease;
}

/* 도착 직전 뜸 들이기: 화면이 어두워진다 */
.bw-ladder-stage.is-holding::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  animation: bw-ladder-hold 1.2s ease forwards;
  pointer-events: none;
}

@keyframes bw-ladder-hold {
  from { opacity: 0; }
  to { opacity: 1; }
}

#ladder-canvas {
  display: block;
  width: 100%;
}

/* ── 도착 현황 ──
   카메라가 아래로 내려가면 도착 풀이 화면 밖으로 나간다.
   무엇이 꽝이고 누가 어디에 갔는지는 항상 보여야 한다. */
.bw-ladder-slots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.bw-ladder-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding: 0.4rem 0.2rem;
  border: 1px solid var(--bw-border);
  border-radius: 0.55rem;
  background: var(--bw-surface);
  text-align: center;
}

.bw-ladder-slot-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: #34d399;
}

.bw-ladder-slot.is-bomb .bw-ladder-slot-tag {
  color: #fb7185;
}

.bw-ladder-slot-who {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--bw-muted);
}

.bw-ladder-slot.is-taken {
  border-color: var(--col-color);
}

.bw-ladder-slot.is-taken .bw-ladder-slot-who {
  color: var(--col-color);
}

.bw-ladder-slot.is-bomb.is-taken {
  background: rgba(251, 113, 133, 0.14);
}

/* ── 결과 ── */
.bw-ladder-result {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(8, 10, 14, 0.78);
}

.bw-ladder-result[hidden] {
  display: none;
}

.bw-ladder-result-card {
  width: min(300px, 100%);
  padding: 1.1rem 1rem;
  border: 1px solid var(--bw-border);
  border-radius: 0.9rem;
  background: var(--bw-surface-strong);
  text-align: center;
}

.bw-ladder-result-title {
  margin: 0 0 0.35rem;
  color: var(--bw-text);
  font-family: var(--bw-font-display);
  font-size: 1.25rem;
  font-weight: 800;
}

.bw-ladder-result.is-bad .bw-ladder-result-title {
  color: #fb7185;
}

.bw-ladder-result-detail {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--bw-muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.bw-ladder-result-card button {
  width: 100%;
}

.bw-ladder-result-card button + button {
  margin-top: 0.4rem;
}

/* ── 안내 ── */
.bw-ladder-help {
  margin-top: 1.4rem;
  color: var(--bw-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.bw-ladder-help h2 {
  margin: 0 0 0.5rem;
  color: var(--bw-text);
  font-size: 1rem;
  font-weight: 700;
}

.bw-ladder-help ol {
  margin: 0;
  padding-left: 1.1rem;
}

@media (prefers-reduced-motion: reduce) {
  .bw-ladder-col,
  .bw-ladder-stage {
    transition: none;
  }

  .bw-ladder-stage.is-holding::after {
    animation: none;
    opacity: 1;
  }
}

/* ── 공유 ── */
.bw-ladder-share {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
}