:root{--bg: #fafafa;--panel: #ffffff;--ink: #16161a;--muted: #8a8a93;--line: #ececef;--line-strong: #d9d9de;--accent: #16161a;--radius: 14px;--mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column;padding:28px 28px 64px;max-width:1280px;margin:0 auto}.app-header{position:relative;text-align:center;margin-bottom:24px}.logo{font-family:var(--mono);font-weight:700;font-size:30px;letter-spacing:-.5px;margin:0}.tagline{font-family:var(--mono);font-size:11px;color:var(--muted);margin:6px 0 0;letter-spacing:.2px}.header-import{position:absolute;top:4px;right:0;font-family:var(--mono);font-size:12px;height:38px;padding:0 16px;border:1px solid var(--ink);border-radius:10px;background:var(--ink);color:#fff;cursor:pointer;transition:background .12s}.header-import:hover{background:#000}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:400;background:#16161a73;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;padding:24px}.modal{background:var(--panel);border-radius:18px;width:100%;max-width:480px;padding:22px;box-shadow:0 24px 60px #00000040}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.modal-head h2{font-family:var(--mono);font-size:16px;font-weight:700;margin:0}.modal-close{border:none;background:none;font-size:16px;cursor:pointer;color:var(--muted);width:28px;height:28px;border-radius:8px}.modal-close:hover{background:#f1f1f3;color:var(--ink)}.drop-zone{border:2px dashed var(--line-strong);border-radius:14px;padding:48px 24px;text-align:center;cursor:pointer;transition:border-color .12s,background .12s}.drop-zone.is-over,.drop-zone:hover{border-color:var(--ink);background:#fafafa}.drop-big{font-family:var(--mono);font-weight:700;font-size:15px;margin:0 0 6px}.drop-sub{font-family:var(--mono);font-size:11px;color:var(--muted);margin:0}.import-previews{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:20px}.import-previews figure{margin:0;text-align:center}.import-previews figcaption{font-family:var(--mono);font-size:9px;color:var(--muted);margin-top:6px}.import-src,.import-result{width:160px;height:160px;object-fit:contain;border-radius:10px;background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:14px 14px;background-position:0 0,0 7px,7px -7px,-7px 0;border:1px solid var(--line-strong)}.import-result{image-rendering:pixelated}.import-arrow{font-size:20px;color:var(--muted)}.import-controls{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.import-row{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px}.import-row input[type=range]{flex:1;accent-color:var(--ink)}.import-num{width:28px;text-align:right;color:var(--muted)}.import-name{flex:1;font-family:var(--mono);font-size:12px;border:1px solid var(--line-strong);border-radius:8px;height:32px;padding:0 10px}.import-name:focus{outline:none;border-color:var(--ink)}.size-picker{display:flex;gap:6px;flex:1}.size-btn{flex:1;font-family:var(--mono);font-size:12px;height:30px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;cursor:pointer}.size-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}.modal-actions{display:flex;gap:10px}.layout{display:grid;grid-template-columns:220px minmax(0,1fr) 280px;gap:20px;align-items:start}.col{display:flex;flex-direction:column;gap:16px}.col-center{align-items:center;gap:14px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;width:100%}.panel-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.panel-head h2{font-family:var(--mono);font-size:13px;font-weight:700;margin:0;text-transform:lowercase}.hint{font-family:var(--mono);font-size:10px;color:var(--muted)}.toolbar{display:flex;align-items:center;gap:8px;padding:8px;width:auto}.tool-group{display:flex;gap:4px}.tool-divider{width:1px;height:24px;background:var(--line-strong);margin:0 4px}.tool-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink);cursor:pointer;transition:background .12s,border-color .12s}.tool-btn svg{fill:currentColor}.tool-btn:hover:not(:disabled){background:#f1f1f3}.tool-btn.is-active{background:var(--ink);color:#fff}.tool-btn:disabled{opacity:.3;cursor:default}.canvas-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;width:100%;max-width:560px}.pixel-canvas{width:100%;height:auto;display:block;image-rendering:pixelated;border-radius:6px;touch-action:none;box-shadow:0 0 0 1px var(--line-strong)}.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.swatch{position:relative;aspect-ratio:1;border-radius:10px;border:2px solid var(--line-strong);cursor:pointer;padding:0;transition:transform .1s,box-shadow .1s}.swatch:hover{transform:translateY(-1px)}.swatch.is-selected{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--ink)}.swatch-num{position:absolute;bottom:2px;right:4px;font-family:var(--mono);font-size:9px;color:#00000059;mix-blend-mode:difference;filter:invert(1)}.palette-head-right{display:flex;align-items:center;gap:8px}.palette-load{font-family:var(--mono);font-size:10px;height:22px;padding:0 8px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;cursor:pointer}.palette-load:hover{border-color:var(--ink)}.swatch-add{display:grid;place-items:center;font-size:18px;line-height:1;color:var(--muted);background:transparent;border:2px dashed var(--line-strong)}.swatch-add:hover{color:var(--ink);border-color:var(--ink)}.swatch-eraser{background-color:#fff;background-image:linear-gradient(45deg,#e4e4e8 25%,transparent 25%),linear-gradient(-45deg,#e4e4e8 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e4e4e8 75%),linear-gradient(-45deg,transparent 75%,#e4e4e8 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0}.swatch-eraser .swatch-num{color:var(--ink);filter:none;mix-blend-mode:normal}.color-editor{margin-top:14px}.color-editor-label{display:block;font-family:var(--mono);font-size:10px;color:var(--muted);margin-bottom:8px}.color-editor-controls{display:flex;gap:8px;align-items:center}.color-editor-controls input[type=color]{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:9px;padding:2px;background:none;cursor:pointer}.hex-input{flex:1;font-family:var(--mono);font-size:13px;border:1px solid var(--line-strong);border-radius:9px;padding:0 10px;height:38px;text-transform:uppercase}.hex-input:focus{outline:none;border-color:var(--ink)}.color-remove{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:9px;background:#fff;color:var(--muted);cursor:pointer;font-size:12px}.color-remove:hover:not(:disabled){border-color:#e5484d;color:#e5484d}.color-remove:disabled{opacity:.3;cursor:default}.lib-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.lib-item{position:relative;min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px}.lib-thumb{position:relative;width:100%;aspect-ratio:1;border:1px solid var(--line-strong);border-radius:10px;background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0;cursor:pointer;padding:6px;display:grid;place-items:center;transition:border-color .12s}.lib-thumb img{width:100%;height:100%;image-rendering:pixelated;object-fit:contain}.lib-item.is-active .lib-thumb{border-color:var(--ink);box-shadow:0 0 0 2px var(--ink)}.lib-size{position:absolute;bottom:4px;left:4px;font-family:var(--mono);font-size:8px;line-height:1;color:#fff;background:#16161ab3;padding:2px 4px;border-radius:4px;pointer-events:none}.lib-name{display:block;width:100%;font-family:var(--mono);font-size:10px;color:var(--muted);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lib-name-input{width:100%;font-family:var(--mono);font-size:10px;text-align:center;border:1px solid var(--line-strong);border-radius:6px;padding:2px 4px}.lib-name-input:focus{outline:none;border-color:var(--ink)}.lib-actions{position:absolute;top:4px;right:4px;display:flex;gap:2px;opacity:0;transition:opacity .12s}.lib-item:hover .lib-actions{opacity:1}.lib-actions button{width:20px;height:20px;border:none;border-radius:6px;background:#16161acc;color:#fff;font-size:11px;cursor:pointer;display:grid;place-items:center}.lib-actions button:hover{background:var(--ink)}.lib-add{aspect-ratio:1;border:1px dashed var(--line-strong);border-radius:10px;background:transparent;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);transition:border-color .12s,color .12s}.lib-add:hover{border-color:var(--ink);color:var(--ink)}.lib-add span{font-size:22px;line-height:1}.lib-add small{font-family:var(--mono);font-size:9px}.export-scale{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px}.scale-btn{font-family:var(--mono);font-size:12px;height:34px;border:1px solid var(--line-strong);border-radius:9px;background:#fff;cursor:pointer}.scale-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}.export-actions{display:flex;gap:8px}.export-opt{display:flex;align-items:center;gap:8px;margin-top:12px;font-family:var(--mono);font-size:10px;color:var(--muted);cursor:pointer}.export-opt input{accent-color:var(--ink)}.btn{flex:1;font-family:var(--mono);font-size:12px;height:40px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;cursor:pointer;transition:background .12s}.btn:hover{background:#f1f1f3}.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-primary:hover{background:#000}.ds-footer{position:fixed;bottom:16px;left:20px;z-index:300;font-family:var(--mono);font-size:10px;line-height:1;color:#000}.ds-footer a{color:inherit;text-decoration:none}.ds-footer a:hover{text-decoration:underline}@media(max-width:900px){.layout{grid-template-columns:1fr}.col-center{order:-1}.canvas-wrap{margin:0 auto}}