:root{--p:#5c2580;--p2:#7d4a9c;--pl:#eee6f3;--g:#568c50;--g2:#78a873;--gl:#e8f2e5;--ink:#29252d;--muted:#77717c;--line:#e5e1e7;--bg:#f5f4f5}
*{box-sizing:border-box}
body{margin:0;font:14px system-ui,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}
header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}
.brand{display:flex;gap:12px;align-items:center}.brand b{font-size:20px;color:var(--p)}.brand small{display:block;color:var(--muted)}
.pixel-logo{width:38px;height:38px;display:grid;grid-template-columns:1fr 1fr;gap:3px;transform:rotate(-8deg)}.pixel-logo i{background:var(--p);border-radius:4px}.pixel-logo i:nth-child(2),.pixel-logo i:nth-child(3){background:var(--g)}
.status{background:var(--gl);color:#315a2e;padding:8px 12px;border-radius:18px}.status span{display:inline-block;width:8px;height:8px;background:var(--g);border-radius:50%}
.shell{display:grid;grid-template-columns:270px minmax(420px,1fr) 330px;gap:16px;padding:16px;height:calc(100vh - 108px)}
.panel,.workspace{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 4px 18px #2b18320b}.panel{padding:20px;overflow:auto}
h2{margin:0 0 18px;color:var(--p);font-size:18px}h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin:24px 0 12px;color:var(--muted)}
label{display:block;font-weight:600;margin:14px 0}input,select{width:100%;margin-top:7px}select,input[type=number]{padding:10px;border:1px solid var(--line);border-radius:9px;background:#fff}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.upload{border:2px dashed #cbb8d7;background:var(--pl);color:var(--p);padding:18px;text-align:center;border-radius:12px;margin-top:-8px;cursor:pointer}.upload small{color:var(--muted)}#file{display:none}
.workspace{display:flex;flex-direction:column;min-width:0}.workspace-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px 0}.tabs{display:flex;gap:8px}.tabs button,.method button,.view-tools button,.presets button{border:0;background:#f2f0f3;border-radius:10px;padding:10px 14px;color:var(--muted);cursor:pointer}.tabs button.active{background:var(--pl);color:var(--p);font-weight:700}.tabs button:disabled{opacity:.4;cursor:not-allowed}
.view-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.view-tools button{padding:7px 10px}.view-tools span{min-width:42px;text-align:center;font-size:12px;color:var(--muted)}.check{display:flex;align-items:center;gap:6px;margin:0 8px 0 0;font-size:12px}.check input{width:auto;margin:0;accent-color:var(--p)}
.canvas-wrap{margin:12px;flex:1;min-height:300px;border-radius:15px;background:linear-gradient(135deg,#f0f6eb,#f7f2f9);position:relative;display:grid;place-items:center;overflow:hidden;touch-action:none;cursor:grab}.canvas-wrap.dragging{cursor:grabbing}
canvas{max-width:92%;max-height:92%;image-rendering:pixelated;box-shadow:0 12px 35px #32193b25;background:#fff;transform-origin:center;will-change:transform}
#empty{position:absolute;text-align:center;color:var(--p);display:flex;flex-direction:column;gap:6px;pointer-events:none}#empty span{color:var(--muted)}.hint{text-align:center;color:var(--muted);padding:0 12px 14px}
.method{display:grid;gap:8px}.method button{text-align:left;padding:12px}.method button.active{background:var(--pl);outline:2px solid #cbb0da;color:var(--p)}.method button:disabled{opacity:.55}.method small{display:block;margin-top:3px;color:var(--muted)}
output{float:right;color:var(--p)}input[type=range]{accent-color:var(--p)}
.primary,.secondary{width:100%;padding:13px;border:0;border-radius:12px;color:#fff;font-weight:750;margin:18px 0 8px;cursor:pointer}.primary{background:var(--p)}.secondary{background:var(--g)}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}
.presets{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.presets button{padding:8px;color:var(--p);font-weight:700}.presets button:hover{background:var(--pl)}
.with-help{position:relative}.help{display:inline-grid;place-items:center;width:20px;height:20px;border:0;border-radius:50%;background:var(--pl);color:var(--p);font-weight:800;cursor:pointer;margin-left:5px}
.summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.summary div{background:#f7f6f7;padding:10px;border-radius:10px}.summary span{display:block;color:var(--muted);font-size:11px}.summary b{font-size:15px}.summary div:first-child{background:var(--gl)}
details{margin-top:18px}#colors{max-height:230px;overflow:auto;margin-top:10px}.swatch{display:grid;grid-template-columns:22px 1fr auto;gap:8px;align-items:center;padding:5px}.swatch i{width:20px;height:20px;border-radius:5px;border:1px solid #0001}
footer{height:36px;display:flex;justify-content:space-between;padding:0 24px;color:var(--muted);font-size:12px}
dialog{border:0;border-radius:16px;padding:24px;max-width:440px;box-shadow:0 22px 70px #2b183244;color:var(--ink)}dialog::backdrop{background:#23142c66}dialog h3{margin:0 32px 12px 0;color:var(--p);font-size:17px;text-transform:none;letter-spacing:0}dialog p{line-height:1.55}dialog .example{background:var(--gl);padding:10px 12px;border-radius:10px;color:#315a2e}#closeHelp{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:24px;color:var(--muted);cursor:pointer}
@media(max-width:1100px){.shell{grid-template-columns:230px 1fr}.right{grid-column:1/-1}.shell{height:auto}.workspace{min-height:620px}}
@media(max-width:760px){.shell{display:block}.panel,.workspace{margin-bottom:12px}.workspace{min-height:520px}header{padding:0 14px}.status{display:none}.workspace-top{align-items:flex-start;flex-direction:column}.view-tools{justify-content:flex-start}}