/* Surface inspector (page-specific). Builds on /assets/pages.css. */
.article.si-page { max-width:60rem; }
.si { margin:28px 0 8px; border:1px solid var(--line-2); border-radius:12px; background:var(--surface); padding:16px; }
@media (min-width:720px) { .si { padding:20px; } }
.si-drop { text-align:center; }
.si-pick { display:flex; flex-direction:column; align-items:center; gap:6px; padding:34px 16px; border:1px dashed var(--line-2); border-radius:10px; cursor:pointer; color:var(--soft); transition:border-color .15s, background .15s; }
.si-pick:hover { border-color:var(--text); background:var(--surface-2); }
.si-pick strong { color:var(--text); font-size:16px; }
.si-pick span { font-size:14px; color:var(--muted); }
.si-link { background:none; border:0; color:var(--soft); font:14px var(--sans); padding:10px; margin-top:6px; cursor:pointer; }
.si-link:hover { color:var(--text); }
.si-video video { display:block; width:100%; max-height:60vh; background:#000; border-radius:8px; }
.si-row { display:flex; gap:10px; align-items:center; margin-top:10px; }
.si-row input { flex:1; }
.si-btn { font:600 14px var(--sans); color:var(--text); background:none; border:1px solid var(--line-2); border-radius:8px; padding:9px 14px; cursor:pointer; transition:border-color .15s, background .15s; }
.si-btn:hover { border-color:var(--muted); }
.si-btn.primary { background:var(--accent); color:var(--on-text); border-color:var(--accent); }
.si-btn.primary:hover { background:var(--accent-2); }
.si-btn:focus-visible, .si-tabs button:focus-visible { outline:2px solid var(--inner); outline-offset:2px; }
.si-help { font-size:13px; color:var(--muted); margin:8px 0 0; }
.si-tabs { display:flex; flex-wrap:wrap; gap:6px; }
.si-tabs button { font:500 13px var(--sans); color:var(--soft); background:none; border:1px solid var(--line-2); border-radius:999px; padding:6px 13px; cursor:pointer; }
.si-tabs button:hover { color:var(--text); border-color:var(--muted); }
.si-tabs button[aria-pressed="true"] { background:var(--accent); border-color:var(--accent); color:var(--on-text); }
.si-view { margin-top:12px; max-height:70vh; overflow:hidden; border-radius:8px; border:1px solid var(--line); background:#040917; -webkit-overflow-scrolling:touch; }
.si-view { touch-action:pan-y; }
.si-zoom { position:relative; width:100%; line-height:0; touch-action:pan-y; cursor:ew-resize; }
.si-view.zoomed { overflow:auto; touch-action:none; overscroll-behavior:contain; }
.si-view.zoomed .si-zoom { touch-action:none; cursor:grab; }
.si-zoom canvas { display:block; width:100%; height:auto; }
.si-zoom #siOut { position:absolute; inset:0; height:100%; }
.si-split { position:absolute; top:0; bottom:0; width:2px; margin-left:-1px; background:var(--inner); box-shadow:0 0 0 1px rgba(0,0,0,.4); pointer-events:none; }
.si-controls { display:grid; gap:10px 18px; margin-top:14px; grid-template-columns:repeat(auto-fit, minmax(170px, 1fr)); }
.si-controls label { display:flex; flex-direction:column; gap:4px; font:500 11px var(--mono); letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.si-controls label[hidden] { display:none; }
.si-controls input[type=range], .si-row input[type=range] { accent-color:var(--inner); width:100%; }
.si-actions { display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
.si-note { font-size:12.5px; color:var(--muted); margin:14px 0 0; }
.si-toast { position:fixed; left:50%; bottom:20px; transform:translate(-50%, 12px); opacity:0; background:var(--text); color:var(--on-text); font:500 14px var(--sans); padding:10px 16px; border-radius:8px; max-width:calc(100% - 32px); transition:opacity .2s, transform .2s; z-index:60; pointer-events:none; }
.si-toast.show { opacity:1; transform:translate(-50%, 0); }
@media (prefers-reduced-motion:reduce) { .si-toast { transition:none; } }
.si-steps { display:grid; gap:10px; grid-template-columns:repeat(2,minmax(0,1fr)); margin:16px 0 8px; }
@media (min-width:720px) { .si-steps { grid-template-columns:repeat(4,1fr); } }
.si-steps > div { border:1px solid var(--line); border-radius:10px; padding:14px; background:var(--surface); }
.si-steps b { display:inline-grid; place-items:center; width:24px; height:24px; border-radius:50%; border:1px solid var(--inner); color:var(--inner); font:600 12px var(--mono); margin-bottom:8px; }
.si-steps strong { display:block; color:var(--text); font-size:15px; }
.si-steps span { display:block; color:var(--muted); font-size:14px; margin-top:2px; }

/* Front / back switch */
.si-sides { display:flex; gap:8px; margin-bottom:12px; }
.si-sides button { flex:1; display:flex; align-items:center; gap:10px; min-height:52px; padding:6px 12px; font:600 14px var(--sans); color:var(--soft); background:none; border:1px solid var(--line-2); border-radius:10px; cursor:pointer; text-align:left; }
.si-sides button[aria-pressed="true"] { border-color:var(--inner); color:var(--text); background:var(--surface-2); }
.si-sides img { width:30px; height:42px; object-fit:cover; border-radius:3px; }
.si-sides small { margin-left:auto; font:500 12px var(--sans); color:var(--muted); }
.si-sides small[hidden] { display:none; }
.si-sides button:focus-visible { outline:2px solid var(--inner); outline-offset:2px; }
/* What did you find? */
.si-found { margin-top:18px; padding-top:16px; border-top:1px solid var(--line); }
.si-found p { margin:0 0 10px; font-size:14px; color:var(--muted); }
.si-found p strong { color:var(--text); font-size:15px; display:block; }
.si-found-grid { display:grid; gap:10px; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr)); margin-bottom:12px; }
.si-found-grid label { display:flex; flex-direction:column; gap:4px; font:500 11px var(--mono); letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.si-found-grid select { font:15px var(--sans); color:var(--text); background:var(--surface-2); border:1px solid var(--line-2); border-radius:8px; padding:9px 10px; text-transform:none; letter-spacing:0; }
.si-found .si-btn { display:inline-block; text-decoration:none; }