:root{--theme-color:#1c1a99;--bg:#f6f6fb;--card:#fff;--text:#1d1d2b;--muted:#666}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}
.top{padding:12px 20px;background:var(--theme-color);color:#fff;font-weight:600}.top a{color:#fff;text-decoration:none}.top .sep{opacity:.6;margin:0 8px}
.wrap{max-width:1180px;margin:0 auto;padding:20px 16px 40px}
.hero{text-align:center;margin-bottom:16px}.hero h1{margin:0 0 8px;font-size:2rem}.sub{color:var(--muted);margin:0}
.tool{display:grid;grid-template-columns:1fr 340px;gap:16px;align-items:start}
.card{background:var(--card);border-radius:16px;padding:16px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
button{font:inherit;border:1px solid #d6d6e4;background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer;color:var(--text)}
button:disabled{opacity:.45;cursor:not-allowed}
button.active,button.primary{background:var(--theme-color);color:#fff;border-color:var(--theme-color)}
.linkbtn{border:0;padding:0;background:none;color:var(--theme-color);text-decoration:underline}
label{display:block;font-size:.9rem;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=number],textarea,select{width:100%;padding:8px 10px;border:1px solid #d6d6e4;border-radius:8px;font:inherit;background:#fff}
input[type=color]{width:100%;height:38px;border:1px solid #d6d6e4;border-radius:8px;padding:2px;background:#fff}
input[type=range]{width:100%;touch-action:pan-y}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.check{display:flex;align-items:center;gap:6px;font-weight:400}
.toolbar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:10px}.info{margin-left:auto;font-size:.85rem;color:var(--muted)}
.dropzone{min-height:340px;border:2px dashed #d6d6e4;border-radius:12px;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#f0f0f5 0 25%,#fff 0 50%) 0 0/20px 20px;overflow:hidden;position:relative}
.dropzone.drag{border-color:var(--theme-color);background-color:#eef}
.dropzone.loaded{border-style:solid;border-color:#eee}
.empty{text-align:center;padding:30px;background:rgba(255,255,255,.9);border-radius:10px}
.muted{color:var(--muted);font-size:.9rem}
#view{max-width:100%;max-height:70vh;display:block;touch-action:none;cursor:crosshair}
.status{font-size:.85rem;color:var(--muted);min-height:1.2em;margin-top:8px}.status.err{color:#b00020}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:6px}.tabs button{padding:8px 2px;font-size:.84rem;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chips,.btnrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chips button{padding:6px 10px;font-size:.88rem}
.wide{width:100%;margin-top:8px}
.hint{font-size:.82rem;color:var(--muted);margin:8px 0 0}
.sliderrow{display:grid;grid-template-columns:1fr 80px;gap:8px;align-items:center}
.filters{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.filters button{padding:4px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.8rem}
.filters canvas{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;background:#eee}
.content{margin-top:30px;line-height:1.6}.content h2{font-size:1.25rem;margin-top:26px}details{background:var(--card);border-radius:8px;padding:10px 14px;margin:8px 0}summary{cursor:pointer;font-weight:600}
.footer{text-align:center;padding:20px;color:var(--muted);font-size:.9rem}.footer a{color:var(--theme-color)}
@media(max-width:820px){.tool{grid-template-columns:1fr}.hero h1{font-size:1.5rem}.dropzone{min-height:240px}#view{max-height:55vh}}
.progress{margin-top:8px}.progress .track{height:8px;background:#e6e6f0;border-radius:6px;overflow:hidden}.progress .bar{height:100%;width:0;background:var(--theme-color);transition:width .2s}
.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:6px;margin-top:6px}.seg button{padding:7px 4px;font-size:.85rem}
.swatches{display:flex;gap:6px;align-items:center;margin-top:8px}.swatches input[type=color]{width:60px}