/* Free 3D preview tool. Tokens from /style.css and /shopify/shopify.css. */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.tool-wrap { padding-top: 0.75rem; padding-bottom: 1rem; }
.tool-card { max-width: 46rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); padding: 1.5rem; }
.tool-card h3 { margin: 0 0 0.75rem; font-size: 1.3rem; }
.tool-card p { margin: 0 0 0.75rem; }
.tool-view[hidden] { display: none !important; }
.tool-msg { color: var(--text-muted); }
.hint { color: var(--text-muted); font-size: 0.9rem; }
.tool-error { color: #ae2e24; background: #ffeceb; border: 1px solid #f8c9c4; border-radius: var(--radius); padding: 0.6rem 0.8rem; }
@media (prefers-color-scheme: dark) { .tool-error { color: #fd9891; background: #42221f; border-color: #5d2a26; } }

.drop { position: relative; display: grid; place-items: center; min-height: 13rem; border: 2px dashed var(--border);
  border-radius: var(--radius-lg); background: var(--bg-soft); cursor: pointer; text-align: center; padding: 1rem; overflow: hidden; }
.drop:hover, .drop.is-over { border-color: var(--accent); }
.drop:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.drop-empty { display: grid; gap: 0.25rem; justify-items: center; color: var(--text-muted); pointer-events: none; }
.drop-empty svg { width: 2.5rem; height: 2.5rem; color: var(--accent); }
.drop-empty strong { color: var(--text); font-size: 1.05rem; }
.drop.has-photo .drop-empty { display: none; }
.drop-preview { max-height: 16rem; max-width: 100%; border-radius: var(--radius); background: #fff; pointer-events: none; }
.drop + .hint { margin-top: 0.6rem; }

.field { display: block; font-weight: 600; margin: 1.1rem 0 0.35rem; }
.field .opt { font-weight: 400; color: var(--text-muted); }
.input { width: 100%; min-height: 2.75rem; padding: 0.55rem 0.75rem; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); color: var(--text); font: inherit; }
.input:focus { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.input + .hint { margin-top: 0.4rem; }
.tool-card .actions { margin: 1rem 0 0.75rem; }
.tool-card button[disabled] { opacity: 0.55; cursor: not-allowed; }

.progress-steps { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: 0.5rem; }
.progress-steps li { display: flex; align-items: center; gap: 0.6rem; color: var(--text-muted); }
.progress-steps li::before { content: ""; flex: none; width: 1.1rem; height: 1.1rem; border-radius: 50%; border: 2px solid var(--border); }
.progress-steps li.is-done { color: var(--text); }
.progress-steps li.is-done::before { background: var(--ok); border-color: var(--ok); }
.progress-steps li.is-active { color: var(--text); font-weight: 600; }
.progress-steps li.is-active::before { border-color: var(--accent); border-top-color: transparent; animation: p3d-spin 0.9s linear infinite; }
@keyframes p3d-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .progress-steps li.is-active::before { animation: none; border-top-color: var(--accent); } }
.elapsed { font-size: 2.2rem; font-weight: 700; font-variant-numeric: tabular-nums; margin: 0 0 0.25rem !important; }

.permalink { margin: 0.75rem 0; }
.permalink-row, .tool-view[data-view="working"] .permalink { display: flex; gap: 0.5rem; }
.permalink .input { min-width: 0; flex: 1; font-size: 0.9rem; }
.permalink .btn { flex: none; }

.result-stage { position: relative; height: 380px; border-radius: var(--radius-lg); overflow: hidden; margin: 0 0 0.75rem;
  background: radial-gradient(circle at 50% 40%, #ffffff 0%, #eceef2 100%); }
.result-stage model-viewer { display: block; width: 100%; height: 100%; background: transparent; --poster-color: transparent; }
.result-loading { position: absolute; inset: 0; display: grid; place-items: center; margin: 0 !important; color: #5e6c84; pointer-events: none; }
.result-stage.is-loaded .result-loading { display: none; }
.ar-btn { position: absolute; right: 0.75rem; bottom: 0.75rem; border: 0; border-radius: 999px; padding: 0.6rem 1rem;
  background: var(--accent); color: var(--accent-contrast); font: 600 0.9rem/1.2 inherit; cursor: pointer; }

@media (max-width: 40rem) {
  .tool-card { padding: 1.1rem; }
  .result-stage { height: 300px; }
  .permalink-row, .tool-view[data-view="working"] .permalink { flex-direction: column; }
  .tool-card .btn { width: 100%; }
}