@font-face {
  font-family: "Yrsa";
  src: url("../../assets/fonts/yrsa/yrsa-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: "Yrsa";
  src: url("../../assets/fonts/yrsa/yrsa-latin-variable-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../../assets/fonts/inter/inter-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../../assets/fonts/inter/inter-variable-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --accent: #ff5d3b;
  --accent-ink: #171713;
  --panel: #f3f0e8;
  --ink: #171713;
  --line: rgba(23, 23, 19, 0.22);
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  background: #ece8df;
  font-family: "Inter", sans-serif;
  font-weight: 350;
  letter-spacing: 0.006em;
}

button,
a { font: inherit; }

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a-scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#boot-overlay {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  background: var(--accent);
  transition: opacity 650ms ease, visibility 650ms ease;
}

#boot-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
}

#boot-overlay.has-error .boot-caption {
  flex-direction: column;
  max-width: min(32rem, calc(100vw - 3rem));
  text-align: center;
}

.boot-retry {
  min-height: 2.5rem;
  padding: 0 1.1rem;
  color: var(--accent);
  background: var(--accent-ink);
  border: 1px solid var(--accent-ink);
  border-radius: 99rem;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.boot-caption {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 1rem;
  font-size: clamp(1rem, 2vw, 1.7rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boot-caption::after {
  content: "";
  position: absolute;
  left: -2rem;
  right: -2rem;
  bottom: 0;
  height: 1px;
  background: currentColor;
}

.boot-dots { display: flex; gap: 0.25rem; }
.boot-dots i {
  width: 0.32rem;
  height: 0.32rem;
  background: currentColor;
  border-radius: 50%;
  opacity: 0.2;
  animation: boot-dot 1.5s ease-in-out infinite;
}
.boot-dots i:nth-child(2) { animation-delay: 0.22s; }
.boot-dots i:nth-child(3) { animation-delay: 0.44s; }

@keyframes boot-dot {
  45% { opacity: 1; }
}

.room-brand {
  position: fixed;
  z-index: 1002;
  top: clamp(0.9rem, 2.2vw, 1.6rem);
  left: clamp(0.9rem, 2.2vw, 1.6rem);
  display: grid;
  grid-template-columns: 2.25rem auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.45rem 0.65rem;
  color: var(--brand-color, var(--accent-ink));
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  border-radius: 0.35rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-decoration: none;
  text-transform: uppercase;
}

.room-brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  aspect-ratio: 1;
  color: var(--accent);
  background: var(--accent-ink);
  border-radius: 50%;
  font-family: "Yrsa", serif;
  font-weight: 350;
  font-size: 1.2rem;
  font-style: italic;
  letter-spacing: 0.01em;
}

.room-brand strong {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.room-brand small {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  opacity: 0.6;
}

.back-link {
  position: fixed;
  z-index: 1002;
  top: clamp(0.9rem, 2.2vw, 1.6rem);
  right: clamp(0.9rem, 2.2vw, 1.6rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.4rem;
  padding: 0 1rem;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 48%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent);
  border-radius: 99rem;
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.back-link span { font-size: 1rem; transition: transform 0.2s ease; }
.back-link:hover span { transform: translateX(-0.2rem); }

.room-language-toggle {
  position: fixed;
  z-index: 1003;
  top: clamp(4.75rem, 7.2vw, 5.75rem);
  left: clamp(0.9rem, 2.2vw, 1.6rem);
  right: auto;
}

.environment-switcher {
  position: fixed;
  z-index: 860;
  top: clamp(0.9rem, 2.2vw, 1.6rem);
  left: 50%;
  width: min(31rem, calc(100vw - 24rem));
  padding: 0.55rem;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 60%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent);
  border-radius: 0.35rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateX(-50%);
}

.environment-switcher__label,
.environment-switcher__status {
  display: block;
  padding: 0.1rem 0.25rem;
  font-size: 0.52rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.environment-switcher__label { margin-bottom: 0.4rem; }
.environment-switcher__status {
  min-height: 0.85rem;
  margin-top: 0.35rem;
  opacity: 0.68;
}

.environment-switcher__buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
}

.environment-switcher button {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.4rem;
  padding: 0.4rem 0.6rem;
  color: inherit;
  background: color-mix(in srgb, var(--accent) 52%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 20%, transparent);
  border-radius: 0.22rem;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, opacity 180ms ease;
}

.environment-switcher button:disabled { cursor: wait; opacity: 0.58; }
.environment-switcher button[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-ink);
}
.environment-switcher button strong { font-size: 0.58rem; letter-spacing: 0.08em; }
.environment-switcher button span { text-align: left; font-size: 0.68rem; font-weight: 700; }
.environment-switcher button small { font-size: 0.48rem; letter-spacing: 0.06em; text-transform: uppercase; }

.language-toggle {
  min-height: 2.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.45rem;
  color: var(--brand-color, var(--accent-ink));
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent);
  border-radius: 99rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
}

.language-toggle button {
  min-width: 1.65rem;
  padding: 0.3rem 0.25rem;
  color: inherit;
  background: none;
  border: 0;
  border-radius: 99rem;
  font: inherit;
  cursor: pointer;
  opacity: 0.46;
}

.language-toggle button.is-active {
  color: var(--accent);
  background: var(--accent-ink);
  opacity: 1;
}

#intro-backdrop {
  position: fixed;
  z-index: 900;
  inset: 0;
  background: rgba(20, 20, 18, 0.08);
  backdrop-filter: blur(10px);
  transition: opacity 600ms ease, visibility 600ms ease;
}

#intro-popup {
  position: fixed;
  z-index: 901;
  top: 50%;
  left: 50%;
  width: min(90vw, 35rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 0.35rem;
  transform: translate(-50%, -50%);
  transition: opacity 500ms ease, transform 500ms ease, visibility 500ms ease;
}

body:not(.intro-open) #intro-backdrop {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body:not(.intro-open) #intro-popup {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, calc(-50% + 2rem));
}

.intro-index {
  margin: 0 0 2rem;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#intro-popup h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  font-weight: 550;
  line-height: 0.92;
  letter-spacing: -0.05em;
}

#intro-popup h1 em {
  font-family: "Yrsa", serif;
  font-weight: 350;
  letter-spacing: -0.035em;
}

.intro-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2.2rem 0 1.7rem;
  padding-top: 1.25rem;
  border-top: 1px solid color-mix(in srgb, var(--accent-ink) 34%, transparent);
}

.control-group p {
  margin: 0 0 0.7rem;
  font-size: 0.57rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(3, 2rem);
  gap: 0.25rem;
}

.key-grid span,
.mouse-icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid color-mix(in srgb, var(--accent-ink) 55%, transparent);
  border-radius: 0.2rem;
  font-size: 0.65rem;
}

.key-grid span:first-child { grid-column: 2; }
.key-grid span:nth-child(2) { grid-column: 1; }

.look-help { display: flex; align-items: center; gap: 0.8rem; }
.mouse-icon { height: 2.8rem; border-radius: 1rem; }
.look-help span:last-child { max-width: 8rem; font-size: 0.7rem; }
.mobile-help { display: none; }
.mobile-help p:last-child {
  margin: 0;
  max-width: 28ch;
  font-size: 0.8rem;
  line-height: 1.35;
  letter-spacing: 0;
  text-transform: none;
}

.enter-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 0;
  color: var(--accent-ink);
  background: none;
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--accent-ink) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent-ink) 70%, transparent);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
}

.enter-button > span:last-child { font-size: 1.1rem; }

.room-caption {
  position: fixed;
  z-index: 800;
  left: clamp(1rem, 2.2vw, 1.75rem);
  bottom: clamp(1rem, 2.2vw, 1.75rem);
  padding: 0.85rem 1rem;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 48%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent);
  border-radius: 0.2rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  pointer-events: none;
}

.room-caption span {
  display: block;
  font-size: 0.53rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.65;
}

.room-caption strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.info-button {
  position: fixed;
  z-index: 850;
  right: clamp(1rem, 2.2vw, 1.75rem);
  bottom: clamp(1rem, 2.2vw, 1.75rem);
  width: 3rem;
  aspect-ratio: 1;
  color: var(--accent);
  background: var(--accent-ink);
  border: 0;
  border-radius: 50%;
  font-family: "Yrsa", serif;
  font-weight: 350;
  font-size: 1.25rem;
  font-style: italic;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.vr-button {
  position: fixed;
  z-index: 850;
  right: clamp(5.65rem, 7.2vw, 6.5rem);
  bottom: clamp(1rem, 2.2vw, 1.75rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-width: 7.6rem;
  height: 3rem;
  padding: 0 1rem;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 48%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 28%, transparent);
  border-radius: 99rem;
  box-shadow: 0 0.45rem 1.5rem color-mix(in srgb, var(--accent-ink) 10%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.vr-button:hover { transform: translateY(-0.16rem); }
.vr-button:active { transform: translateY(0); }
.vr-button svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.vr-button.is-active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-ink) 76%, transparent);
}

.vr-button.is-unavailable { opacity: 0.58; }

/* The room uses the custom control above instead of A-Frame's native VR badge. */
.a-enter-vr,
.a-enter-vr-button {
  display: none !important;
}

.info-panel {
  position: fixed;
  z-index: 840;
  top: 0;
  right: 0;
  width: min(100%, 31rem);
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: clamp(6rem, 10vw, 8rem) clamp(1.5rem, 4vw, 3rem) 2rem;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateX(102%);
  transition: transform 550ms cubic-bezier(0.77, 0, 0.18, 1);
}

.info-panel.is-open { transform: translateX(0); }
.info-panel .info-index { font-size: 0.58rem; letter-spacing: 0.12em; text-transform: uppercase; }
.info-panel h2 {
  margin: 1.5rem 0;
  font-size: clamp(2.7rem, 6vw, 5.6rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}
.info-panel p { max-width: 28rem; font-size: 0.95rem; }
.info-panel img {
  width: 100%;
  margin-top: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

#mobile-controls {
  position: fixed;
  z-index: 700;
  left: 0;
  right: 0;
  bottom: 1rem;
  display: none;
  justify-content: space-between;
  padding: 0 1.2rem;
  pointer-events: none;
}

.joystick {
  position: relative;
  width: 5.2rem;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--accent-ink) 38%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: auto;
  touch-action: none;
}

.joystick::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  bottom: -1.05rem;
  transform: translateX(-50%);
  color: var(--accent-ink);
  font-size: 0.48rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.joystick-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.2rem;
  aspect-ratio: 1;
  background: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent-ink) 45%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

body.smartphone-device:not(.intro-open) #mobile-controls { display: flex; }
body.smartphone-device .room-caption { display: none; }
body.smartphone-device .info-button {
  top: 4.6rem;
  right: 1rem;
  bottom: auto;
}
body.smartphone-device .vr-button {
  top: 4.6rem;
  right: 4.65rem;
  bottom: auto;
}
body.smartphone-device .intro-controls { grid-template-columns: 1fr; }
body.smartphone-device .desktop-help { display: none; }
body.smartphone-device .mobile-help { display: block; }

@media (max-width: 600px) {
  .room-brand { grid-template-columns: 2rem auto; }
  .room-brand-mark { width: 2rem; }
  .room-brand small { display: none; }
  .back-link { width: 2.6rem; padding: 0; justify-content: center; }
  .back-link strong { display: none; }
  .room-language-toggle {
    top: 4.2rem;
    left: 0.9rem;
    right: auto;
  }
  .info-panel { width: 100%; }
  .vr-button {
    right: 4.65rem;
    min-width: 6.9rem;
  }
  #intro-popup { width: min(88vw, 23rem); }
  .environment-switcher {
    top: auto;
    bottom: 0.85rem;
    width: min(88vw, 24rem);
  }
  body.smartphone-device .environment-switcher { bottom: 8.2rem; }
  .environment-switcher__label,
  .environment-switcher__status { display: none; }
  .environment-switcher button { grid-template-columns: auto 1fr; }
  .environment-switcher button small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}