:root {
  color-scheme: light;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: #dfe7e6;
  color: #252824;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
}

body {
  min-width: 320px;
  background: #dfe7e6;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 28px;
  background:
    linear-gradient(112deg, rgba(249, 248, 243, 0.98), rgba(231, 239, 238, 0.93)),
    #eff2ef;
  transition: opacity 420ms ease, visibility 420ms ease;
}

.overlay::before,
.overlay::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.overlay::before {
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(73, 84, 80, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 84, 80, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
}

.overlay::after {
  top: -22vh;
  left: 12vw;
  width: 34vw;
  height: 145vh;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: rotate(13deg);
  animation: daylight-drift 7s ease-in-out infinite alternate;
}

.overlay[hidden] {
  display: none;
}

.loader-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(107, 91, 70, 0.08) 50%, transparent 50.2%),
    linear-gradient(180deg, transparent 72%, rgba(91, 104, 99, 0.08));
}

.overlay-panel {
  position: relative;
  z-index: 1;
  width: min(590px, 100%);
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: #111111;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gallery-loader {
  position: relative;
  width: 368px;
  height: 232px;
  margin: 32px auto 28px;
}

.gallery-frame-outline {
  position: absolute;
  display: block;
}

.gallery-frame-outline {
  inset: 0;
  padding: 7px;
  background: #111111;
  box-shadow: 0 14px 34px rgba(28, 30, 29, 0.17);
}

.gallery-portrait-crop {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: 4px;
  background: #f4f2ec;
}

.gallery-portrait-crop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

h1 {
  margin: 0;
  min-height: 0.98em;
  color: #272b28;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 6.8vw, 4rem);
  font-weight: 500;
  line-height: 0.98;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

button {
  appearance: none;
  border: 1px solid #303633;
  border-radius: 2px;
  min-width: 152px;
  padding: 12px 22px;
  color: #f8f6f0;
  background: #303633;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 140ms ease, background 140ms ease, transform 140ms ease;
}

.overlay-panel > button {
  margin-top: 28px;
}

button:hover:enabled {
  color: #303633;
  background: transparent;
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.42;
  cursor: wait;
}

.controls-note {
  margin: 16px auto 0;
  max-width: 100%;
  padding: 0 10px;
  color: #747d78;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.45;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms ease;
}

.hud.active {
  opacity: 1;
}

.mobile-npc-bubble {
  position: fixed;
  z-index: 24;
  width: min(76vw, 348px);
  padding: 13px 15px 15px;
  border: 2px solid var(--npc-accent, #4d8f62);
  border-radius: 8px;
  color: #303633;
  background: rgba(251, 250, 245, 0.97);
  box-shadow: 0 8px 22px rgba(38, 43, 40, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 16px)) scale(0.97);
  transform-origin: 50% 100%;
  transition: opacity 150ms ease, transform 180ms ease;
}

.mobile-npc-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -11px;
  width: 18px;
  height: 18px;
  border-right: 2px solid var(--npc-accent, #4d8f62);
  border-bottom: 2px solid var(--npc-accent, #4d8f62);
  background: #fbfaf5;
  transform: translateX(-50%) rotate(45deg);
}

.mobile-npc-bubble.active {
  opacity: 1;
  transform: translate(-50%, calc(-100% - 16px)) scale(1);
}

.mobile-npc-bubble__header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 7px;
  line-height: 1;
}

.mobile-npc-bubble__header strong {
  font-size: 0.82rem;
  letter-spacing: 0;
}

.mobile-npc-bubble__header span {
  color: var(--npc-accent, #4d8f62);
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0;
}

.mobile-npc-bubble p {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0;
}

@media (pointer: fine) {
  .mobile-npc-bubble {
    width: min(54vw, 620px);
    padding: 15px 20px 18px;
  }

  .mobile-npc-bubble__header strong {
    font-size: 1rem;
  }

  .mobile-npc-bubble__header span {
    font-size: 0.66rem;
  }

  .mobile-npc-bubble p {
    font-size: 0.92rem;
  }
}

.scene-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 48%, transparent 68%, rgba(40, 47, 44, 0.14) 100%);
}

.mobile-zone-guide {
  --turn-zone-color: 157, 105, 67;
  --move-zone-color: 62, 137, 136;
  --guide-top: max(8px, env(safe-area-inset-top));
  --guide-right: max(8px, calc(env(safe-area-inset-right) + 6px));
  --guide-bottom: max(8px, env(safe-area-inset-bottom));
  --guide-left: max(8px, calc(env(safe-area-inset-left) + 6px));
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  pointer-events: none;
  opacity: 0.92;
  filter: drop-shadow(0 1px 2px rgba(35, 42, 39, 0.12));
  transition: opacity 220ms ease;
}

body.touch-device .mobile-zone-guide {
  display: block;
}

body.mobile-scene-active .mobile-zone-guide {
  opacity: 0.6;
}

body.mobile-scene-active.mobile-guide-engaged .mobile-zone-guide {
  opacity: 0.3;
}

.mobile-zone-bar {
  position: absolute;
  left: var(--guide-left);
  right: var(--guide-right);
  display: block;
  border: 2px solid rgba(var(--zone-color), 0.9);
  border-radius: 6px;
  background: linear-gradient(
    135deg,
    rgba(var(--zone-color), 0.035),
    transparent 42%
  );
  box-shadow: inset 0 0 18px rgba(var(--zone-color), 0.035);
}

.mobile-zone-turn {
  --zone-color: var(--turn-zone-color);
  top: var(--guide-top);
  height: calc(62% - var(--guide-top) - 3px);
}

.mobile-zone-move {
  --zone-color: var(--move-zone-color);
  top: calc(62% + 3px);
  bottom: var(--guide-bottom);
}

.mobile-zone-key {
  position: absolute;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px 5px 5px;
  border: 1px solid rgba(var(--zone-color), 0.38);
  border-radius: 999px;
  color: rgba(var(--zone-color), 0.92);
  background: rgba(246, 246, 241, 0.88);
  box-shadow: 0 3px 10px rgba(35, 42, 39, 0.12);
}

.mobile-zone-turn .mobile-zone-key {
  top: 10px;
}

.mobile-zone-move .mobile-zone-key {
  bottom: 10px;
}

.mobile-zone-glyph {
  position: relative;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font: 700 1rem/1 "Segoe UI Symbol", "Segoe UI", sans-serif;
}

.mobile-zone-move .mobile-zone-glyph span {
  position: absolute;
}

.mobile-zone-label {
  color: rgba(50, 58, 54, 0.88);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  line-height: 1;
  text-transform: uppercase;
}

body.mobile-scene-active .mobile-zone-key {
  background: rgba(246, 246, 241, 0.78);
  box-shadow: 0 2px 8px rgba(35, 42, 39, 0.08);
}

body.mobile-scene-active.mobile-guide-engaged .mobile-zone-key {
  background: rgba(246, 246, 241, 0.68);
  box-shadow: none;
}


@keyframes daylight-drift {
  from { transform: translateX(-8vw) rotate(13deg); opacity: 0.45; }
  to { transform: translateX(26vw) rotate(13deg); opacity: 0.78; }
}

@media (max-width: 760px) {
  .overlay {
    padding: 18px;
  }

  .gallery-loader {
    width: min(316px, calc(100vw - 54px));
    height: auto;
    aspect-ratio: 46 / 29;
    margin: 24px auto 22px;
  }

  .eyebrow {
    font-size: 0.7625rem;
  }

  h1 {
    font-size: 2.295rem;
  }

  .controls-note {
    max-width: 310px;
    letter-spacing: 0.07em;
  }

}

body.touch-device:not(.mobile-scene-active) .controls-note {
  display: none;
}

body.touch-device:not(.mobile-scene-active) #overlayTitle {
  transform: translateY(39px);
}

body.touch-device:not(.mobile-scene-active) .overlay-panel > button {
  position: relative;
  top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .overlay::after {
    animation: none;
  }
}