:root{--page-gutter: clamp(16px, 3vw, 32px);--gap: clamp(16px, 2.4vw, 28px);--radius: 12px;--paper-min: 32ch;--paper-max: 52ch;--stack-breakpoint: 68rem;--page-max: 1440px}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica,Arial,sans-serif;line-height:1.55;color:#101317;background:#fff;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}.site-header,.layout,.site-footer{padding-left:max(var(--page-gutter),env(safe-area-inset-left));padding-right:max(var(--page-gutter),env(safe-area-inset-right));max-width:var(--page-max);margin-left:auto;margin-right:auto}.site-header{padding-top:calc(var(--page-gutter) + env(safe-area-inset-top));padding-bottom:var(--page-gutter)}.site-title{margin:0 0 4px;font-size:clamp(1.25rem,1.2rem + 1.2vw,2rem)}.site-subtitle{margin:0;color:#4a5563}.rule{grid-column:1 / -1;height:1px;border:0;background:#e5e7eb;margin:var(--gap) 0}.layout{display:grid;grid-template-columns:minmax(var(--paper-min),var(--paper-max)) 1fr;column-gap:var(--gap);row-gap:var(--gap);align-items:stretch}.layout>*{min-width:0}.paper{max-width:var(--paper-max)}.stage{display:grid;min-height:0}.viewport{position:relative;background:#0b0f14;border-radius:var(--radius);overflow:hidden;contain:layout paint size;min-height:320px}.webgl{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%}.loader{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:color-mix(in srgb,#0b0f14 70%,transparent);z-index:2;pointer-events:none}.loader.hidden{display:none}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:12px}@keyframes spin{to{transform:rotate(360deg)}}.progress-text{display:block;font-weight:600;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.35)}.overlay{position:absolute;left:12px;bottom:12px;margin:0;padding:6px 10px;background:#0000008f;color:#fff;border-radius:8px;font-size:.875rem;line-height:1.2;z-index:1;pointer-events:none}.viewport .model-picker{position:absolute;top:12px;right:12px;z-index:3;display:inline-flex;gap:8px;align-items:center;padding:6px 10px;background:#0000008f;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:10px;-webkit-backdrop-filter:saturate(120%) blur(6px);backdrop-filter:saturate(120%) blur(6px)}.viewport .model-picker select{-moz-appearance:none;appearance:none;-webkit-appearance:none;font:inherit;color:inherit;background:transparent;border:0;padding:4px 22px 4px 8px;border-radius:6px;outline:none}.viewport .model-picker select:focus{box-shadow:0 0 0 2px #ffffff59}.layout-wide{grid-column:1 / -1}.sog-card{background:#f7f8fa;border:1px solid #e5e7eb;border-radius:var(--radius);padding:clamp(12px,1.5vw,20px)}.sog-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;background:#fff;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden}.sog-table caption{caption-side:top;text-align:left;padding:10px 12px;font-weight:600;color:#1f2937}.sog-table thead th{text-align:left;background:#f3f4f6;color:#111827;font-weight:600;border-bottom:2px solid #e5e7eb;padding:10px 12px}.sog-table td,.sog-table tbody th[scope=row]{padding:10px 12px;border-bottom:1px solid #eef2f7}.sog-table tfoot th,.sog-table tfoot td{padding:10px 12px;border-top:2px solid #e5e7eb;background:#fafbfc;color:#4b5563;font-size:.925rem}@media print{.sog-table thead{display:table-header-group}.sog-table tfoot{display:table-footer-group}}.site-footer{padding-top:var(--page-gutter);padding-bottom:calc(var(--page-gutter) + env(safe-area-inset-bottom));color:#4b5563;border-top:1px solid #e5e7eb}.site-footer .footer-inner{margin:0 auto;max-width:none;padding:8px 0}.site-footer .attribution,.site-footer .copyright{margin:.25rem 0;font-size:.9375rem}@media (max-width: 68rem){.layout{grid-template-columns:1fr}.viewport{contain:layout paint;min-height:50svh;min-height:50vh;aspect-ratio:16 / 10}}@media (max-width: 68rem){.layout{grid-template-columns:1fr}.paper,.stage{width:min(100%,var(--paper-max));margin-left:auto;margin-right:auto}.viewport{contain:layout paint;width:100%;min-height:50svh;min-height:50vh;aspect-ratio:16 / 10}}.viewport,.webgl{touch-action:none}.viewport{overscroll-behavior:contain}