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canvas{width:100%;height:auto;display:block}.loading{position:absolute;left:12px;bottom:12px;padding:9px 12px;border:1.5px solid var(--line);border-radius:13px;background:var(--mint);color:var(--ink);font-size:12px;font-weight:800}.control-panel{display:flex;flex-direction:column;gap:13px;margin-top:14px;padding:14px;scroll-margin-bottom:calc(32px + var(--keyboard-inset))}.panel-title{display:flex;align-items:center;justify-content:flex-start;gap:12px}.panel-title span{color:var(--ink);font-size:27px;font-weight:900;line-height:1.05}.input-block{display:grid;gap:8px}.input-block textarea{width:100%;min-height:84px;resize:vertical;border:1.5px solid var(--line);border-radius:18px;outline:0;background:#fff;color:var(--ink);padding:14px;font-size:17px;font-weight:850;line-height:1.25;text-transform:uppercase;box-shadow:none;scroll-margin-bottom:calc(32px + var(--keyboard-inset))}.input-block textarea:focus{background:#fbfff5;box-shadow:0 0 0 4px 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var(--line);border-radius:16px;background:var(--mint);color:var(--ink);font-size:14px;font-weight:850;text-align:center;transition:opacity .18s ease,transform .18s ease}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:390px){.letter-app{padding-inline:10px}.canvas-shell{min-height:220px}.material-list{grid-template-columns:repeat(4,minmax(0,1fr))}.section-label{align-items:flex-start}}@media(max-height:720px){.canvas-shell{min-height:190px;max-height:31dvh}.brand-lockup canvas{height:70px}}