/*!
 * diamond-360.css — editorial 360° viewer styling
 * Uses theme tokens: --paper, --ivory, --ivory-2, --ink, --muted, --line, --gold, --gold-2
 * with sensible fallbacks.
 */

.diamond-360 {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse at center,
      var(--paper, #FBF8F2) 0%,
      var(--ivory-2, #EFE7DA) 100%
    );
  color: var(--ink, #1B1915);
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  touch-action: pan-y;
  cursor: grab;
  font-family: "Jost", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.diamond-360.diamond-360--placeholder,
.diamond-360.diamond-360--single {
  cursor: default;
}

.diamond-360.is-dragging {
  cursor: grabbing;
}

/* ---------- Stage / frames ---------- */

.diamond-360__stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diamond-360__frame {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

/* ---------- Loader ---------- */

.diamond-360__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
    ellipse at center,
    rgba(251, 248, 242, 0.85) 0%,
    rgba(239, 231, 218, 0.85) 100%
  );
  transition: opacity 240ms ease;
  z-index: 2;
}

.diamond-360__loader[hidden] {
  display: none;
}

.diamond-360__spinner {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line, #E3DAC9);
  border-top-color: var(--gold, #B08A46);
  animation: diamond360-spin 900ms linear infinite;
}

@keyframes diamond360-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Hint ---------- */

.diamond-360__hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted, #7A7263);
  opacity: 0;
  transition: opacity 320ms ease;
  pointer-events: none;
  z-index: 3;
}

.diamond-360.is-loaded .diamond-360__hint {
  opacity: 0.85;
}

.diamond-360.is-hint-hidden .diamond-360__hint,
.diamond-360.is-dragging .diamond-360__hint {
  opacity: 0;
}

.diamond-360__hint-icon {
  display: inline-flex;
  color: var(--gold, #B08A46);
}

.diamond-360__hint-text {
  line-height: 1;
}

/* ---------- Spin button ---------- */

.diamond-360__spin {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line, #E3DAC9);
  background: rgba(251, 248, 242, 0.7);
  color: var(--muted, #7A7263);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  margin: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  transition:
    color 200ms ease,
    border-color 200ms ease,
    background 200ms ease;
  z-index: 4;
  opacity: 0;
  pointer-events: none;
}

.diamond-360.is-loaded .diamond-360__spin {
  opacity: 1;
  pointer-events: auto;
}

.diamond-360__spin:hover,
.diamond-360__spin:focus-visible {
  color: var(--gold, #B08A46);
  border-color: var(--gold, #B08A46);
  outline: none;
}

.diamond-360__spin.is-active {
  color: var(--gold-2, #8E6E2E);
  border-color: var(--gold, #B08A46);
}

.diamond-360__spin-icon {
  display: inline-flex;
  line-height: 0;
}

/* ---------- Placeholder ---------- */

.diamond-360__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--muted, #7A7263);
  opacity: 0.6;
}

.diamond-360__placeholder-glyph {
  display: inline-flex;
  color: var(--muted, #7A7263);
}

.diamond-360__placeholder-caption {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .diamond-360__spinner {
    animation-duration: 2400ms;
  }
  .diamond-360__hint,
  .diamond-360__loader,
  .diamond-360__spin {
    transition: none;
  }
}