/* ── DUNGEON BACKGROUND ── */
#dungeon-bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  background:
    url("../images/bg-dungeon.png") center/cover no-repeat,
    radial-gradient(ellipse 60% 40% at 20% 50%, rgba(180,90,20,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(180,90,20,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 100% 60% at 50% 100%, rgba(100,50,10,0.4) 0%, transparent 50%),
    radial-gradient(ellipse 80% 80% at 50% 50%, #1a0e04 0%, #050300 100%);
}

/* Stone texture overlay */
#dungeon-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0,0,0,0.03) 40px, rgba(0,0,0,0.03) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(0,0,0,0.02) 60px, rgba(0,0,0,0.02) 61px);
  pointer-events: none;
}

/* Noise grain */
#dungeon-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ── TORCHES ── */
.torch {
  position: fixed;
  top: 15%;
  z-index: var(--z-decor);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}
.torch-left { left: 5%; }
.torch-right { right: 5%; }

.torch-wall-bracket {
  width: 4px;
  height: 40px;
  background: linear-gradient(to bottom, #8b7355, #5a4a35);
  border-radius: 2px;
  position: relative;
}
.torch-wall-bracket::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 8px;
  background: #6b5a3e;
  border-radius: 2px 2px 0 0;
}

.torch-head {
  width: 10px;
  height: 16px;
  background: linear-gradient(to bottom, #8b6914, #5a4010);
  border-radius: 2px 2px 4px 4px;
  position: relative;
  margin-top: -2px;
}

.torch-flame {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 26px;
  animation: flicker 0.15s ease-in-out infinite alternate;
}

.torch-flame::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 26px;
  background: radial-gradient(ellipse 50% 80% at 50% 90%, #ff6600 0%, #ff9900 40%, #ffcc00 70%, transparent 100%);
  border-radius: 50% 50% 30% 30%;
  filter: blur(1px);
}

.torch-flame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 18px;
  background: radial-gradient(ellipse 50% 80% at 50% 90%, #fff 0%, #ffff00 40%, transparent 100%);
  border-radius: 50% 50% 30% 30%;
}

.torch-glow {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255,140,0,0.25) 0%, transparent 70%);
  pointer-events: none;
  animation: glow-pulse 2s ease-in-out infinite alternate;
}

/* ── PARTICLES ── */
#particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-particles);
  overflow: hidden;
}
.spark {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffd080, #ff6600);
  animation: spark-float linear forwards;
  opacity: 0;
}

/* ── MAIN STAGE ── */
#stage {
  position: relative;
  z-index: var(--z-stage);
  width: 100%;
  height: 100dvh;
  gap: clamp(1rem, 3vh, 2.5rem);
  padding: clamp(1rem, 3vw, 3rem);
}

/* ── CHEST ── */
#chest-wrap {
  position: relative;
  width: clamp(200px, 32vw, 380px);
  height: clamp(160px, 25vw, 300px);
  cursor: pointer;
  flex-shrink: 0;
  animation: chest-float 3.2s ease-in-out infinite;
}
#chest-wrap.lid-creak,
#chest-wrap.lid-open {
  animation: none;
}
#chest-wrap.chest-shake {
  animation: chest-shake 2.6s linear;
}

/* PNG chest images */
#chest-img-closed,
#chest-img-partial,
#chest-img-open {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.15));
  transition: filter 0.4s ease, opacity 0.12s ease;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
#chest-img-partial { opacity: 0; }
#chest-img-open    { opacity: 0; }
#chest-wrap:hover #chest-img-closed {
  filter: drop-shadow(0 0 30px rgba(201,168,76,0.5));
}
#chest-wrap.lid-creak #chest-img-closed {
  filter: drop-shadow(0 0 20px rgba(255,140,0,0.35));
}
#chest-wrap.lid-open #chest-img-closed { opacity: 0; }
#chest-wrap.lid-open #chest-img-open {
  opacity: 1;
  filter: drop-shadow(0 0 40px rgba(255,180,30,0.85));
}

/* ── FLYING ITEM ── */
.flying-item {
  position: fixed;
  z-index: var(--z-fx);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  filter: drop-shadow(0 0 14px rgba(255,200,80,0.9));
  will-change: transform, opacity;
  transform-origin: center center;
}
.flying-item-label {
  font-family: 'Cinzel', serif;
  font-size: clamp(0.35rem, 0.8vw, 0.52rem);
  color: var(--gold-light);
  white-space: nowrap;
  text-shadow: 0 0 8px rgba(255,200,80,0.8);
  letter-spacing: 0.04em;
}

/* Chest glow when open */
#chest-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(255,200,50,0.9) 0%, rgba(255,140,0,0.4) 40%, transparent 70%);
  opacity: 0;
  pointer-events: none;
  filter: blur(4px);
  transition: opacity 1.2s ease;
}
#chest-wrap.lid-creak #chest-glow { opacity: 0.25; }
#chest-wrap.lid-open #chest-glow { opacity: 1; transition: opacity 0.5s ease; }

/* Click hint */
#chest-hint {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Cinzel', serif;
  font-size: clamp(0.5rem, 1.2vw, 0.65rem);
  letter-spacing: 0.2em;
  color: rgba(201,168,76,0.5);
  white-space: nowrap;
  animation: hint-pulse 2s ease-in-out infinite, hint-counter-float 3.2s ease-in-out infinite;
  transition: opacity 0.6s ease;
}

/* ── SCREEN FLASH ── */
#flash {
  position: fixed;
  inset: 0;
  z-index: var(--z-fx);
  background: radial-gradient(ellipse at center, rgba(255,220,80,0.95) 0%, rgba(255,140,0,0.7) 40%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

/* ── DIM OVERLAY ── */
#dim-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0,0,0,0);
  pointer-events: none;
  transition: background 1.2s ease;
}
#dim-overlay.active {
  background: rgba(0,0,0,0.65);
}

/* ── RESET BUTTON ── */
#reset-btn {
  position: fixed;
  bottom: clamp(1rem, 3vh, 2rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-ui);
  font-family: 'Cinzel', serif;
  font-size: clamp(0.55rem, 1.2vw, 0.72rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(201,168,76,0.6);
  background: transparent;
  border: 1px solid rgba(201,168,76,0.2);
  padding: 0.5rem 1.4rem;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s;
  opacity: 0;
  pointer-events: none;
}
#reset-btn.visible {
  opacity: 1;
  pointer-events: auto;
}
#reset-btn:hover {
  color: var(--gold-light);
  border-color: rgba(201,168,76,0.5);
  background: rgba(201,168,76,0.06);
}

#loot-table-btn {
  position: fixed;
  bottom: clamp(0.5rem, 1.5vh, 1rem);
  right: clamp(0.5rem, 1.5vw, 1.5rem);
  z-index: var(--z-ui);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.5rem;
  line-height: 1;
  color: rgba(201,168,76,0.6);
  background: transparent;
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
}
#loot-table-btn:hover {
  color: var(--gold-light);
  border-color: rgba(201,168,76,0.5);
  background: rgba(201,168,76,0.06);
  transform: scale(1.05);
}
#loot-table-btn img {
  width: 1.5rem;
  height: auto;
  object-fit: contain;
  display: block;
}