/* Keep the graduate experiment focused on its current stage. */
.pg02-context { display:flex; align-items:flex-start; gap:18px; padding:20px 22px; margin:0 0 20px; border:1px solid #dfe7f2; border-radius:12px; background:#fff; scroll-margin-top:90px; }
.pg02-context > span { flex:none; padding:5px 10px; border-radius:6px; color:#285de5; background:#eef4ff; font-size:12px; font-weight:600; }
.pg02-context strong { display:block; color:#172c48; font-size:16px; }
.pg02-context p { margin:7px 0 0; color:#76849b; font-size:12px; line-height:1.8; }
.pg02-boundaries { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:16px 0; }
.pg02-boundaries > div { padding:16px; border-radius:8px; background:#f6f8fc; }
.pg02-boundaries strong { color:#25456f; font-size:13px; }
#pg02-dataset-summary { padding-top:14px; border-top:1px solid #e3e9f2; }
.pg02-next-step { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; padding:18px 0; margin-top:8px; border-top:1px solid #e3e9f2; }
.pg02-next-step > button:only-child { margin-left:auto; }
.pg02-state-note { margin:12px 0!important; padding:12px 14px; border-left:3px solid #c8d9f5; color:#536b8c!important; background:#f6f8fc; font-size:12px!important; line-height:1.8; }
#eval-view .eval-tabs { gap:8px; }
#eval-view [data-eval-tab="board"] { margin-left:auto; background:transparent; border-color:transparent; color:#76849b; }
#eval-view [data-eval-tab="board"][aria-selected="true"] { background:#eef4ff; color:#285de5; border-color:#d5e2fa; }
#eval-view details > summary { cursor:pointer; font-size:13px; font-weight:600; color:#25456f; }
#eval-view .heading h1 { font-size:28px; }
@media(max-width:640px) {
  .pg02-context { flex-direction:column; gap:10px; padding:16px; }
  .pg02-boundaries { grid-template-columns:1fr; gap:10px; }
  .pg02-next-step { flex-direction:column; }
  .pg02-next-step > button:only-child { margin-left:0; }
  #eval-view .eval-tabs { display:grid; grid-template-columns:1fr 1fr; }
  #eval-view .eval-tabs button { min-height:44px; margin:0; padding:10px 8px; }
  #eval-view .heading h1 { font-size:24px; }
}

/* Keep scene examples near the task and show the full image without cropping. */
.pg02-gallery { scroll-margin-top:90px; }
.pg02-gallery-heading { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:10px; }
.pg02-gallery-heading :is(h2,h3) { margin:0!important; }
.pg02-gallery-heading > span { flex:none; color:#8493a9; font-size:12px; font-weight:400; }
.pg02-preview-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-top:18px; }
.pg02-preview-grid figure { min-width:0; margin:0; overflow:hidden; border:1px solid #dfe7f2; border-radius:10px; background:#f8faff; }
.pg02-preview-open { display:block; width:100%; margin:0; padding:0; overflow:hidden; border:0; border-radius:0; background:#edf2f8; cursor:zoom-in; }
.pg02-preview-grid .pg02-preview-open img { display:block; width:100%; height:auto; aspect-ratio:8/5; object-fit:contain; transition:filter .18s ease; }
.pg02-preview-open:hover img { filter:brightness(1.04); }
.pg02-preview-open:focus-visible { outline:3px solid #2c60e9; outline-offset:-3px; }
.pg02-preview-grid figcaption { padding:12px; color:#42536b; font-size:12px; line-height:1.7; overflow-wrap:anywhere; }
.pg02-preview-grid figcaption strong { display:block; font-size:12px; font-weight:600; }
.pg02-preview-grid figcaption > span { display:block; margin-top:4px; color:#8493a9; font-size:11px; }
.pg02-image-dialog { box-sizing:border-box; width:min(1000px,94vw); max-height:92dvh; margin:auto; padding:20px; overflow:auto; border:1px solid #dfe7f2; border-radius:16px; background:#fff; color:#172c48; box-shadow:0 24px 80px #10254233; font-family:"Microsoft YaHei","PingFang SC",sans-serif; }
.pg02-image-dialog::backdrop { background:rgba(12,25,46,.7); }
.pg02-image-header { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:16px; }
.pg02-image-header h2 { margin:0; font-size:16px; line-height:1.5; }
.pg02-image-header button { min-height:44px; padding:8px 14px; border:1px solid #dfe7f2; border-radius:8px; background:#f6f8fc; color:#536b8c; cursor:pointer; font-family:inherit; font-size:13px; line-height:1.5; }
.pg02-image-dialog > img { display:block; width:100%; max-height:68dvh; object-fit:contain; background:#edf2f8; }
.pg02-image-dialog > p { margin:12px 0 0; color:#536b8c; font-size:13px; line-height:1.7; overflow-wrap:anywhere; }
@media(max-width:700px) {
  .pg02-preview-grid { grid-template-columns:1fr; }
  .pg02-gallery-heading { flex-wrap:wrap; gap:4px; }
  .pg02-image-dialog { padding:14px; }
}

/* Distinct scene examples: full frames, consistent captions and progressive expansion. */
.pg02-preview-grid .pg02-scene-card { background:#fff; border-color:#e1e7f0; }
.pg02-scene-card[hidden] { display:none!important; }
.pg02-preview-grid .pg02-scene-card .pg02-preview-open img { aspect-ratio:8/5; object-fit:contain; }
.pg02-preview-grid .pg02-scene-card figcaption { padding:14px 16px; }
.pg02-preview-grid .pg02-scene-card figcaption strong { font-size:14px; color:#233b59; }
.pg02-preview-grid figcaption .pg02-scene-instruction { margin-top:5px; color:#536b8c; font-size:12px; }
.pg02-preview-grid figcaption .pg02-scene-id { margin-top:8px; font-size:11px; letter-spacing:.04em; color:#8391a5; }
.pg02-scenes-controls { grid-column:1/-1; display:flex; align-items:center; justify-content:space-between; gap:12px; padding-top:6px; }
.pg02-scenes-count { color:#7a8ba1; font-size:12px; }
.pg02-scenes-toggle { min-height:42px; padding:9px 18px; border:1px solid #d9e3f3; border-radius:8px; background:#f6f8fd; color:#315fe8; font:inherit; font-size:13px; cursor:pointer; }
.pg02-scenes-toggle:hover { background:#edf2ff; border-color:#b9c9f3; }
.pg02-scenes-toggle:focus-visible { outline:3px solid #a7bfff; outline-offset:3px; }
.pg02-scenes-toggle:disabled { opacity:.65; cursor:wait; }
@media(min-width:701px) and (max-width:1100px) { .pg02-preview-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:700px) { .pg02-scenes-controls { flex-direction:column; align-items:stretch; } .pg02-scenes-count { text-align:center; } }