:root {
  --bg: #cfcfcf;
  --text: #000000;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.viewer-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.viewer-card {
  width: min(1100px, 100%);
  min-height: min(86vh, 860px);
  background: transparent;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}

.viewer-stage {
  position: relative;
  min-height: 0;
}

.nav-left,
.nav-right {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
}

.nav-left {
  left: 1.1rem;
}

.nav-right {
  right: 1.1rem;
}

model-viewer {
  width: 100%;
  height: 100%;
  min-height: 68vh;
  --progress-bar-color: transparent;
  --poster-color: transparent;
  background: transparent;
}

.model-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1.1rem 1.5rem 1.4rem;
}

.model-kicker {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.model-title {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 700;
  color: var(--text);
}

.nav-button {
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

.nav-button:hover,
.nav-button:focus-visible {
  transform: translateY(calc(-50% - 2px));
  outline: none;
  opacity: 0.7;
}

.nav-button:active {
  transform: translateY(-50%);
}

.nav-button:disabled {
  opacity: 0.42;
  cursor: default;
}

.nav-button:disabled:hover,
.nav-button:disabled:focus-visible,
.nav-button:disabled:active {
  transform: translateY(-50%);
  opacity: 0.42;
}

@media (max-width: 820px) {
  .viewer-shell {
    padding: 1rem;
  }

  .viewer-card {
    min-height: min(78vh, 760px);
  }

  model-viewer {
    min-height: 56vh;
  }
}

@media (max-width: 540px) {
  .viewer-shell {
    padding: 0.75rem;
  }

  .viewer-card {
    border-radius: 26px;
  }
  .nav-left {
    left: 0.75rem;
  }

  .nav-right {
    right: 0.75rem;
  }

  .nav-button {
    font-size: 2.2rem;
  }

  .model-meta {
    padding: 1rem 1rem 1.2rem;
  }
}