:root{color:#19202a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--ink:#19202a;--muted:#6b6370;--blue:#3860d1;--pink:#f6d7c9;--cream:#fff8e8;--green:#63d471;--red:#ff5a78;--line:#25202a;--shadow:10px 10px 0 #25202a;background:#f6d7c9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background-color:#f6d7c9;background-image:linear-gradient(90deg,#25202a14 1px,#0000 1px),linear-gradient(#25202a14 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:24px 24px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button,label{-webkit-tap-highlight-color:transparent}.shell{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0 56px}.hero-panel,.card{border:4px solid var(--line);background:var(--cream);box-shadow:var(--shadow)}.hero-panel{margin-bottom:32px;padding:clamp(28px,5vw,64px);position:relative;overflow:hidden}.hero-panel:after{content:"";width:164px;height:164px;image-rendering:pixelated;border:4px solid var(--line);background:linear-gradient(#000 0 0) 36px 36px/24px 24px no-repeat,linear-gradient(#000 0 0) 104px 36px/24px 24px no-repeat,linear-gradient(#ff5a78 0 0) 64px 96px/56px 20px no-repeat,linear-gradient(#ffe1bd 0 0) 50%/140px 140px no-repeat;position:absolute;top:40px;right:clamp(20px,6vw,80px);transform:rotate(4deg)}.eyebrow{border:3px solid var(--line);background:var(--green);text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px;padding:6px 10px;font-size:13px;font-weight:800;display:inline-block}h1,h2,p{margin-top:0}h1{letter-spacing:-.07em;margin-bottom:12px;font-size:clamp(46px,9vw,112px);line-height:.88}h2{margin-bottom:14px;font-size:28px}.lead{max-width:650px;color:var(--ink);font-size:clamp(18px,2.3vw,24px);line-height:1.45}.note{color:var(--muted);max-width:720px}.hero-actions{flex-wrap:wrap;gap:14px;margin:28px 0 18px;display:flex}.primary-button,.ghost-button{appearance:none;border:3px solid var(--line);color:var(--line);cursor:pointer;justify-content:center;align-items:center;min-height:52px;padding:13px 18px;font-weight:900;text-decoration:none;transition:transform .15s,box-shadow .15s,opacity .15s;display:inline-flex}.primary-button{background:var(--blue);color:#fff;box-shadow:5px 5px 0 var(--line)}.ghost-button{box-shadow:5px 5px 0 var(--line);background:#fff}.primary-button:hover,.ghost-button:hover{box-shadow:7px 7px 0 var(--line);transform:translate(-2px,-2px)}.primary-button:disabled{opacity:.45;cursor:not-allowed;transform:none}.full{width:100%;margin-top:10px}.workspace{grid-template-columns:340px 1fr;align-items:start;gap:28px;display:grid}.card{padding:24px}.controls{position:sticky;top:20px}#fileInput{opacity:0;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.drop-zone{text-align:center;border:3px dashed var(--line);background:#fff;place-items:center;gap:6px;min-height:126px;margin-bottom:18px;padding:18px;display:grid}.drop-zone span{color:var(--muted);font-size:14px}.drop-zone.dragging{background:#dcfce7}.field{gap:8px;margin:14px 0;font-weight:800;display:grid}.field span{justify-content:space-between;gap:10px;display:flex}.field b{color:var(--blue)}select,input[type=range]{width:100%}select{border:3px solid var(--line);background:#fff;padding:10px 12px;font-weight:800}input[type=range]{accent-color:var(--blue)}.check{gap:10px;margin:18px 0;font-weight:700;line-height:1.35;display:flex}.check input{width:20px;height:20px;accent-color:var(--blue)}.stage{min-height:640px}.stage-head{border-bottom:3px solid var(--line);justify-content:space-between;align-items:start;gap:16px;margin-bottom:22px;padding-bottom:18px;display:flex}#status{color:var(--muted)}.variant-tabs{gap:8px;display:flex}.variant-tabs button{border:3px solid var(--line);cursor:pointer;background:#fff;padding:8px 12px;font-weight:900}.variant-tabs button.active{background:var(--green)}.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.preview-box{text-align:center;gap:10px;font-weight:900;display:grid}.preview-box canvas{aspect-ratio:1;border:4px solid var(--line);width:100%;height:auto;image-rendering:pixelated;background:#f8f0dd}.result canvas{background:#fff}.explain{margin-top:32px}.steps{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.steps p{border:3px solid var(--line);background:#fff;padding:16px;line-height:1.55}@media (width<=900px){.shell{width:min(100% - 20px,720px);padding-top:18px}.hero-panel:after{opacity:.18;top:24px;right:18px}.workspace,.preview-grid,.steps{grid-template-columns:1fr}.controls{position:static}.stage-head{flex-direction:column}}