:root{color:#f3f1ea;font-synthesis:none;text-rendering:optimizelegibility;--ink:#f3f1ea;--muted:#a3a6a3;--line:#ffffff24;--panel:#111419;--acid:#d9ff63;--coral:#ff8061;background:#0a0c0f;font-family:Inter,Pretendard,Noto Sans KR,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#0a0c0f;min-width:320px;margin:0}button,input{font:inherit}button,.file-action,.local-file-action,a{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--acid);outline-offset:4px}.local-file-action:has(+#wkf-file:focus-visible){outline:3px solid var(--acid);outline-offset:4px}.topbar{z-index:10;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:72px;padding:0 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article+article{padding-left:1.8rem}.contract-flow article:last-child{border-right:0}.contract-flow span{color:var(--coral);font:.75rem/1 ui-monospace,monospace}.contract-flow h3{margin:4rem 0 .8rem;font-size:1.45rem}.contract-flow p{max-width:35ch;color:var(--muted);margin:0;line-height:1.7}footer{border-top:1px solid var(--line);color:#777d7e;justify-content:space-between;align-items:center;min-height:100px;padding:0 5vw;font:.7rem/1 ui-monospace,monospace;display:flex}@media (width<=760px){.topbar{padding:0 20px}.contract-badge{display:none}.intro{grid-template-columns:1fr;padding:17vh 24px 8vh}.format-orbit{opacity:.46;width:66vw;position:absolute;right:-22vw}.stage-sticky{justify-content:start;padding:28px 16px}.stage-heading{display:block}.scene-status{width:fit-content;margin-top:1rem}.viewer-shell{max-height:46vh}.manual-controls{grid-template-columns:auto 1fr;max-height:30vh;overflow-y:auto}.manual-controls .quiet-action{grid-column:1/-1}.explanation{padding:11vh 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