:root{--font-stack: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg: #0f1115;--panel: #171a21;--border: #2a2f3a;--text: #e7e9ee;--text-dim: #9aa1ad;--accent: #6ea8fe;--ok: #4fd1a5;--warn: #f2c14e;--err: #f27d7d}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-stack);background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent)}.page-header{padding:1.5rem 1rem .5rem;max-width:1100px;margin:0 auto}.page-header h1{margin:0 0 .25rem;font-size:1.5rem}.page-subtitle{margin:0;color:var(--text-dim)}main{max-width:1100px;margin:0 auto;padding:0 1rem 2rem}.controls{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 0}.control-group{display:flex;align-items:center;gap:.5rem}.control-group label{font-size:.9rem;color:var(--text-dim)}select,button{font-family:inherit;font-size:.95rem;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.4rem .7rem}button{cursor:pointer}button:hover{border-color:var(--accent)}button:focus-visible,select:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.network-note{margin:0;font-size:.85rem;color:var(--text-dim)}.throttle-hint{margin:0 0 1rem;border:1px solid var(--border);border-radius:6px;padding:.5rem .9rem;background:var(--panel)}.throttle-hint summary{cursor:pointer;font-size:.9rem;color:var(--text-dim)}.throttle-hint p{font-size:.88rem;color:var(--text-dim)}.panes{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:760px){.panes{grid-template-columns:1fr}}.pane{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:.9rem;display:flex;flex-direction:column;gap:.5rem}.pane h2{margin:0;font-size:1.05rem}.pane-caption{margin:0;font-size:.82rem;color:var(--text-dim)}.pane-caption code{color:var(--text)}.viewport{position:relative;aspect-ratio:1 / 1;width:100%;background:#fff;border-radius:6px;overflow:hidden}.viewport canvas{display:block;width:100%;height:100%}.viewport cuep3d-viewer{display:block;width:100%;height:100%}.viewport:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.viewport-note{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:1rem;text-align:center;color:#444;font-size:.85rem;background:#ffffffd9}.metrics-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.25rem .75rem;margin:0;font-size:.82rem}.metrics-strip dt{color:var(--text-dim)}.metrics-strip dd{margin:0;font-variant-numeric:tabular-nums}.metrics-strip dd.state-value{color:var(--accent);font-weight:600}.metrics-strip dd.state-value[data-state=error]{color:var(--err)}.metrics-strip dd.state-value[data-state=settled],.metrics-strip dd.state-value[data-state=rendered]{color:var(--ok)}.attribution{margin-top:1rem;font-size:.78rem;color:var(--text-dim)}.attribution a{color:inherit;text-decoration:underline}@media(prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important}}
