/* Vault dark room -- pre-gate intro */

:root {
  --bg: #0a0a0c;
  --text: #f4f4f6;
  --muted: #8b8b9a;
  --accent: #c9a962;
  --accent-glow: rgba(201, 169, 98, 0.45);
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Playfair Display", Georgia, serif;
}

.vault-body--gate .vault-room {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.vault-room {
  position: fixed;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  background: #030304;
  transition: opacity 0.8s ease, visibility 0.8s;
}

.room-scene {
  position: absolute;
  inset: 0;
  perspective: 900px;
  perspective-origin: 50% 35%;
}

.room-walls {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, #050506 0%, #08080a 38%, #0c0c0f 100%);
}

.room-floor-plane {
  position: absolute;
  left: -20%;
  right: -20%;
  bottom: -8%;
  height: 62%;
  transform: rotateX(68deg);
  transform-origin: center top;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 48px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.012) 0,
      rgba(255, 255, 255, 0.012) 1px,
      transparent 1px,
      transparent 52px
    ),
    linear-gradient(180deg, #121015 0%, #0a090c 55%, #060608 100%);
  box-shadow: inset 0 2px 80px rgba(0, 0, 0, 0.9);
}

.room-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 75% 65% at 50% 42%, transparent 30%, rgba(0, 0, 0, 0.75) 100%);
  pointer-events: none;
}

.room-light-wash {
  position: absolute;
  inset: 0;
  opacity: 0;
  background:
    radial-gradient(ellipse 55% 40% at 50% 12%, rgba(255, 236, 190, 0.22), transparent 70%),
    radial-gradient(ellipse 90% 70% at 50% 80%, rgba(201, 169, 98, 0.08), transparent 65%);
  pointer-events: none;
  transition: opacity 1.2s ease;
}

.vault-room.is-lit .room-light-wash {
  opacity: 1;
}

/* Silhouettes */
.room-prop {
  position: absolute;
  pointer-events: none;
  opacity: 0.14;
  filter: blur(0.3px);
  transition: opacity 1s ease;
}

.vault-room.is-lit .room-prop {
  opacity: 0.28;
}

.room-prop--cabinet {
  left: 8%;
  bottom: 28%;
  width: 22%;
  height: 38%;
  background: linear-gradient(180deg, #1a181c, #0e0d10);
  border-radius: 2px 2px 0 0;
  clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
}

.room-prop--crate {
  right: 10%;
  bottom: 22%;
  width: 26%;
  height: 22%;
  background: linear-gradient(145deg, #161418, #0a090b);
  transform: skewY(-2deg);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
}

.room-prop--beam {
  left: 0;
  right: 0;
  top: 0;
  height: 18%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent);
}

/* Ceiling + bulb */
.room-ceiling {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 42%;
  z-index: 4;
}

.room-bulb-assembly {
  position: absolute;
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.room-socket {
  width: 14px;
  height: 10px;
  background: #2a2826;
  border-radius: 2px 2px 0 0;
}

.room-bulb {
  position: relative;
  width: 36px;
  height: 44px;
}

.room-bulb-glass {
  position: absolute;
  inset: 0;
  border-radius: 50% 50% 42% 42%;
  background: rgba(40, 38, 34, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.6s, box-shadow 0.6s;
}

.room-bulb-filament {
  position: absolute;
  left: 50%;
  top: 45%;
  width: 10px;
  height: 14px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 220, 140, 0);
  border-radius: 40% 40% 50% 50%;
  transition: border-color 0.5s, box-shadow 0.5s;
}

.room-bulb-glow {
  position: absolute;
  left: 50%;
  top: 55%;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 220, 150, 0), transparent 70%);
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.vault-room.is-lit .room-bulb-glass {
  background: rgba(255, 248, 220, 0.95);
  box-shadow: 0 0 30px rgba(255, 230, 160, 0.8), 0 0 80px rgba(255, 200, 100, 0.35);
}

.vault-room.is-lit .room-bulb-filament {
  border-color: rgba(255, 200, 80, 0.9);
  box-shadow: 0 0 12px rgba(255, 200, 80, 0.6);
}

.vault-room.is-lit .room-bulb-glow {
  opacity: 1;
}

/* Pull cord */
.room-cord {
  position: absolute;
  top: 18%;
  left: 54%;
  width: 48px;
  height: 160px;
  padding: 0;
  border: none;
  background: none;
  cursor: grab;
  touch-action: none;
  z-index: 5;
  transform: translateX(-50%);
}

.room-cord:active { cursor: grabbing; }

.room-cord-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: calc(100% - 28px);
  transform: translateX(-50%);
  background: linear-gradient(180deg, #3a3834, #5c5850);
  border-radius: 1px;
  transform-origin: top center;
  transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.48, 1);
}

.room-cord-tassel {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 16px;
  height: 28px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, #6a6458, #4a4640);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.48, 1);
}

.room-cord-glow {
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent 70%);
  animation: cord-pulse 2.2s ease-in-out infinite;
  pointer-events: none;
}

.room-cord.is-pulling .room-cord-line {
  transform: translateX(-50%) scaleY(1.08);
}

.room-cord.is-pulling .room-cord-tassel {
  transform: translateX(-50%) translateY(22px);
}

.room-cord.is-pulled .room-cord-glow,
.vault-room.is-lit .room-cord-glow {
  animation: none;
  opacity: 0.2;
}

@keyframes cord-pulse {
  0%, 100% { opacity: 0.45; transform: translateX(-50%) scale(0.9); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.15); }
}

/* Safe */
.room-safe {
  position: absolute;
  right: 14%;
  bottom: 22%;
  width: min(28vw, 200px);
  height: min(32vw, 220px);
  z-index: 3;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 1s 0.3s, transform 1s 0.3s, filter 0.2s;
  filter: brightness(calc(0.55 + var(--prox-safe, 0) * 0.55));
}

.vault-room.is-lit .room-safe {
  opacity: 1;
  transform: translateY(0);
}

.room-safe-body {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #2a2826 0%, #1a1816 50%, #121110 100%);
  border-radius: 6px;
  border: 2px solid #3a3834;
  box-shadow:
    inset 0 0 30px rgba(0, 0, 0, 0.8),
    0 12px 40px rgba(0, 0, 0, 0.7);
}

.room-safe-body::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 12%;
  height: 35%;
  background: #0e0d0c;
  border-radius: 3px;
  opacity: 0.9;
}

.room-safe-lock {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 3px solid #4a4844;
  background: radial-gradient(circle at 35% 35%, #5a5854, #2a2824);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.6),
    0 0 calc(8px + var(--prox-safe, 0) * 24px) rgba(201, 169, 98, calc(var(--prox-safe, 0) * 0.5));
  transition: box-shadow 0.15s, border-color 0.15s;
}

.room-safe-lock.is-target {
  border-color: var(--accent);
  animation: lock-pulse 0.8s ease-in-out infinite;
}

@keyframes lock-pulse {
  0%, 100% { box-shadow: 0 0 16px rgba(201, 169, 98, 0.4); }
  50% { box-shadow: 0 0 32px rgba(201, 169, 98, 0.75); }
}

.room-safe-lock.is-unlocked {
  animation: lock-open 0.6s ease forwards;
}

@keyframes lock-open {
  to { transform: translate(-50%, -50%) rotate(90deg); opacity: 0.3; }
}

/* Key */
.room-key {
  position: absolute;
  left: 22%;
  bottom: 26%;
  width: 56px;
  height: 56px;
  z-index: 6;
  cursor: grab;
  touch-action: none;
  opacity: 0;
  transform: translateY(12px) rotate(-18deg);
  transition: opacity 0.9s 0.5s, transform 0.9s 0.5s, filter 0.15s;
  filter:
    drop-shadow(0 0 calc(4px + var(--prox-key, 0) * 20px) rgba(201, 169, 98, calc(0.2 + var(--prox-key, 0) * 0.6)));
}

.vault-room.is-lit .room-key {
  opacity: 1;
  transform: translateY(0) rotate(-18deg);
}

.room-key.is-dragging {
  cursor: grabbing;
  z-index: 20;
  transition: filter 0.1s;
}

.room-key svg {
  width: 100%;
  height: 100%;
  color: var(--accent);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.8));
}

/* Hint + skip */
.room-hint {
  position: absolute;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
  max-width: 90%;
  z-index: 8;
  transition: opacity 0.5s;
  pointer-events: none;
}

.room-skip {
  position: absolute;
  top: calc(1rem + env(safe-area-inset-top, 0px));
  right: calc(1rem + env(safe-area-inset-right, 0px));
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  text-decoration: none;
  z-index: 8;
  padding: 0.5rem 0.65rem;
  transition: color 0.2s;
}

.room-skip:hover { color: var(--accent); }

.room-back-link {
  position: absolute;
  top: calc(1rem + env(safe-area-inset-top, 0px));
  left: calc(1rem + env(safe-area-inset-left, 0px));
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.28);
  text-decoration: none;
  z-index: 8;
  transition: color 0.2s;
}

.room-back-link:hover { color: var(--accent); }

/* Gate overlay after room */
.gate {
  transition: opacity 0.7s ease, visibility 0.7s;
}

.gate--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.gate--revealed {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.gate-inner.gate-inner--enter {
  animation: gate-rise 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes gate-rise {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 600px), (pointer: coarse) {
  .room-cord {
    top: 14%;
    left: 58%;
    height: 130px;
    width: 72px;
  }
  .room-key {
    left: 18%;
    bottom: 38%;
    width: 48px;
    height: 48px;
  }
  .room-safe {
    right: 8%;
    bottom: 34%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .room-cord-glow { animation: none; opacity: 0.6; }
  .room-safe,
  .room-key,
  .room-light-wash { transition-duration: 0.01ms; }
}