.page-exhibition {
  padding: 0 !important;
  margin: 0;
}

.page-exhibition main {
  padding: 0;
  margin: 0;
  max-width: none;
}

#exhibition-container {
  position: fixed !important;
  top: var(--header-height);
  left: 0;
  width: 100vw !important;
  height: calc(100vh - var(--header-height)) !important;
  z-index: 1;
}

.page-exhibition .preloader-title {
  line-height: 1.2;
  text-align: center;
}

.focus-mask {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 40;

  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.92) 0%,
    rgba(0, 0, 0, 0.55) 18%,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0) 60%,
    rgba(0, 0, 0, 0.55) 82%,
    rgba(0, 0, 0, 0.92) 100%
  );

  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

.focus-mask.is-visible {
  opacity: 1;
  visibility: visible;
}

#btn-exit-exhibition {
  position: fixed;
  top: 90px;
  left: 40px;
  z-index: 200;
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

#btn-exit-exhibition:hover {
  background-color: #ffffff;
  color: #000000;
}

#btn-switch-hall {
  position: fixed;
  top: 90px;
  right: 40px;
  z-index: 200;
  min-width: 160px;
}

#btn-switch-hall:disabled {
  cursor: wait;
  opacity: 0.62;
}

body.view-mode #btn-switch-hall {
  display: none;
}

#sculpture-info {
  position: fixed;
  top: calc(var(--header-height) + (100vh - var(--header-height)) / 2);
  left: 40px;
  transform: translateY(-50%);
  max-width: 460px;

  background: rgba(5, 5, 5, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 28px;
  backdrop-filter: blur(12px);
  z-index: 50;

  display: none;
}

.view-hints {
  position: fixed;
  top: calc(var(--header-height) + (100vh - var(--header-height)) / 2);
  right: 120px;
  transform: translateY(-50%);
  z-index: 60;

  display: flex;
  flex-direction: column;
  gap: 12px;

  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.view-hints.is-visible {
  opacity: 1;
  visibility: visible;
}

.view-hint-item {
  display: flex;
  align-items: center;
  gap: 10px;

  padding: 12px 14px;
  max-width: 320px;

  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
  border-radius: 14px;
}

.view-hint-icon {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.92);
}

.view-hint-text {
  white-space: nowrap;
  opacity: 0.95;
}

.site-footer {
  position: fixed !important;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 40px 24px;
  background: rgba(5, 5, 5, 0.82);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--muted-text);
}

.hover-hint {
  position: fixed;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 16px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 200;
  white-space: nowrap;
  transform: translate3d(0, 0, 0);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.15s ease;
}

#exhibition-container,
#exhibition-container canvas {
  touch-action: none;
  overscroll-behavior: contain;
}

.info-toggle {
  display: none;
}

#btn-exit-view {
  margin-top: 18px;
  display: none;
}

body.view-mode #btn-exit-view {
  display: inline-flex;
}

.mobile-gallery-controls {
  display: none;
}

@media (max-width: 1024px),
  (hover: none) and (pointer: coarse) {
  #btn-exit-exhibition {
    top: 80px;
    left: 16px;
    font-size: 14px;
    padding: 10px 18px;
  }

  #btn-switch-hall {
    top: 80px;
    right: 16px;
    min-width: 136px;
    font-size: 14px;
    padding: 10px 18px;
  }

  .focus-mask {
    display: none;
  }

  .view-hints {
    display: none !important;
  }

  .hover-hint {
    display: none !important;
  }

  #sculpture-info {
    display: none;
    left: 16px;
    right: 16px;
    top: auto;
    bottom: 16px;
    transform: none;
    max-width: none;

    padding: 0;
    overflow: hidden;
    border-radius: 18px;
    background: rgba(5, 5, 5, 0.82);
    backdrop-filter: blur(14px);
  }

  .info-toggle {
    display: block;
    width: 100%;
    padding: 14px 16px;

    border: none;
    background: transparent;
    color: var(--text-color);

    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    text-align: left;

    cursor: pointer;
  }

  .info-toggle::after {
    content: "＋";
    float: right;
    opacity: 0.8;
  }

  #sculpture-info.is-open .info-toggle::after {
    content: "−";
  }

  .info-content {
    display: none;
    padding: 0 16px 18px;
  }

  #sculpture-info.is-open .info-content {
    display: block;
  }

  #info-title.info-title {
    font-size: 22px;
  }

  #info-text.info-text {
    font-size: 15px;
    line-height: 1.5;
  }

  #btn-exit-view {
    width: calc(100% - 32px);
    margin: 0 16px 16px;
    font-size: 14px;
    padding: 10px 16px;
  }

  .site-footer {
    padding: 16px 20px;
  }

  .mobile-gallery-controls {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 18px;
    z-index: 80;

    display: flex;
    flex-direction: column;
    gap: 12px;

    padding: 14px 16px;
    border-radius: 18px;

    background: rgba(5, 5, 5, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(14px);
  }

  body.view-mode .mobile-gallery-controls {
    display: none;
  }

  .mobile-gallery-hint {
    display: none;
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.86);
    text-align: center;
  }

  .gallery-look-slider {
    width: 100%;
    accent-color: #ffffff;
  }
}

@media (min-width: 769px) and (max-width: 1024px),
  (min-width: 769px) and (hover: none) and (pointer: coarse) {
  #btn-exit-exhibition {
    left: 24px;
  }

  #btn-switch-hall {
    right: 24px;
  }

  #sculpture-info,
  .mobile-gallery-controls {
    left: 50%;
    right: auto;
    bottom: 24px;
    width: min(560px, calc(100vw - 48px));
    transform: translateX(-50%);
  }

  .info-toggle,
  .mobile-gallery-hint {
    text-align: center;
  }

  .info-toggle::after {
    float: none;
    margin-left: 12px;
  }
}

@media (max-width: 520px) {
  .page-exhibition .preloader-title {
    font-size: 20px;
    letter-spacing: 0.04em;
    white-space: normal;
  }

  #btn-switch-hall {
    top: 128px;
    left: 16px;
    right: auto;
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .page-exhibition #btn-exit-exhibition,
  .page-exhibition #btn-switch-hall {
    left: 16px;
    right: auto;
    min-width: 0;
    max-width: calc(100vw - 32px);
    min-height: 40px;
    box-sizing: border-box;
    line-height: 1.3;
  }
  .page-exhibition #btn-exit-exhibition {
    top: calc(var(--header-height) + 12px);
  }
  .page-exhibition #btn-switch-hall {
    top: calc(var(--header-height) + 64px);
  }
}