:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1d1d1f;background:#f5f5f7;font-synthesis:none;--orange:#d85d29;--muted:#717178;--line:#e5e5e9}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible{outline:3px solid #ed9b68;outline-offset:4px}a{color:inherit}.app{max-width:1512px;margin:auto;padding:30px 40px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-size:23px;font-weight:750;letter-spacing:.14em;text-decoration:none;display:flex;align-items:center;gap:20px}.brand span{font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0}.back-link{font-size:13px;text-decoration:none;color:var(--muted)}.back-link:hover{color:#1d1d1f}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:58px 0 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68px)}.module{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.face{position:relative;min-height:0;flex:var(--units);display:flex;align-items:center;justify-content:center;flex-direction:column;background:linear-gradient(130deg,#e0e1e3,#c9cbce);border:1px solid #bbbfc3;border-radius:7px;color:#555960;overflow:hidden}.face strong{font-size:16px;font-weight:550}.face span{font-size:10px;margin-top:3px;color:#686c73}.face img{display:block;width:100%;height:100%;object-fit:fill;position:absolute;inset:0}.face.has-image{background:none;border:0;border-radius:0}.ground{height:1px;background:linear-gradient(90deg,transparent,#bdbdc4,transparent);margin:17px -15px 0;box-shadow:0 5px 15px #00000010}.canvas-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 28px;border-top:1px solid #f0f0f3}.canvas-footer p{font-size:12px;line-height:1.65;color:#55555d;margin:0}.canvas-footer p 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p{font-size:11px;margin:6px 0 0}.confirmation{padding-top:18px;margin-top:20px;border-top:1px solid var(--line)}.confirmation p{font-size:12px;margin-bottom:12px;color:#55555e}.draft-preview .layer-modules{height:calc(var(--height) * 34px);max-height:136px}.draft-preview .face strong{font-size:12px}.draft-preview .face span{display:none}.page-footer{display:flex;justify-content:space-between;gap:16px;margin:22px 2px;font-size:11px;color:#92929a}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}[hidden]{display:none!important}@keyframes layer-in{from{opacity:.6;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media(max-width:1000px){.app{padding:24px}.workspace{grid-template-columns:minmax(0,1fr) 340px;gap:18px}.builder{padding:24px}.canvas-footer{align-items:start;flex-direction:column}.stack-actions{justify-content:flex-start}}@media(max-width:760px){.app{padding:20px 16px}.intro{padding:36px 0 24px}.prototype{display:none}.brand{font-size:21px;gap:12px}.brand span{font-size:11px}.back-link{font-size:11px}.workspace{grid-template-columns:1fr}.builder{position:static;grid-row:1;padding:24px}.builder.idle{grid-row:2}.canvas-heading{padding:20px}.stack-area{padding:20px;min-height:300px}.layer-modules{height:calc(var(--height) * 60px)}.canvas-footer{padding:20px}.page-footer{flex-direction:column;gap:8px}.choices{grid-template-columns:repeat(2,minmax(0,1fr))}.height-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.face strong{font-size:14px}.stack-actions button{min-height:36px}.add-layer{min-height:112px}.steps button{min-height:44px}.cancel{min-height:36px}}