:root{--bg: #f4f4f5;--panel: #ffffff;--ink: #0a0a0a;--muted: #8a8a8f;--line: #e7e7ea;--accent: #0a0a0a;--radius: 10px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app{display:grid;grid-template-columns:1fr 340px;height:100vh}.stage{position:relative;display:grid;place-items:center;padding:40px;overflow:hidden}.stage.is-drop:after{content:"";position:absolute;top:16px;right:16px;bottom:16px;left:16px;border:2px dashed var(--ink);border-radius:var(--radius);pointer-events:none}.stage__inner{position:relative;display:grid;place-items:center;max-width:100%;max-height:100%;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px #0000000a,0 24px 60px -30px #00000059}.stage__inner.is-checker{background-image:linear-gradient(45deg,#e6e6e9 25%,transparent 25%),linear-gradient(-45deg,#e6e6e9 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e6e6e9 75%),linear-gradient(-45deg,transparent 75%,#e6e6e9 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}#scene{display:block;max-width:100%;max-height:100%}.empty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;justify-items:center;gap:6px;text-align:center;color:var(--muted);pointer-events:none}.empty__mark{font-size:40px;font-weight:200;color:#c8c8cc;line-height:1;margin-bottom:6px}.empty p{margin:0;color:var(--ink);font-size:15px}.empty span{font-size:12.5px;max-width:260px}.badge{position:absolute;left:20px;bottom:18px;font-size:12px;color:var(--muted);background:#ffffffb3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:6px 10px;border-radius:999px}.panel{background:var(--panel);border-left:1px solid var(--line);padding:22px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}.panel__head h1{margin:0;font-size:18px;letter-spacing:-.01em}.panel__head p{margin:4px 0 0;font-size:12px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field label{font-size:12px;font-weight:600;letter-spacing:.01em}.field .hint{font-weight:400;color:var(--muted);margin-left:4px}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field--narrow{max-width:100%}.seg{display:flex;gap:6px}.seg--wrap{display:grid;grid-template-columns:repeat(3,1fr)}.seg button{flex:1;padding:8px 0;font:inherit;font-size:12.5px;color:var(--ink);background:#f3f3f5;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:background .15s,border-color .15s}.seg button:hover{background:#ececef}.seg button.is-on{background:var(--ink);color:#fff}input[type=range]{width:100%;accent-color:var(--ink)}select{font:inherit;font-size:13px;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff}.check{display:inline-flex;align-items:center;gap:8px;font-weight:400;font-size:13px;cursor:pointer}.bg{display:flex;align-items:center;gap:12px}input[type=color]{width:40px;height:32px;padding:0;border:1px solid var(--line);border-radius:8px;background:none;cursor:pointer}.export{margin-top:4px;padding:13px;font:inherit;font-size:14px;font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:9px;cursor:pointer;transition:opacity .15s}.export:disabled{opacity:.35;cursor:not-allowed}.export:not(:disabled):hover{opacity:.85}.progress{display:flex;flex-direction:column;gap:6px}.progress__bar{height:6px;background:#eee;border-radius:999px;overflow:hidden}.progress__bar i{display:block;height:100%;width:0;background:var(--ink);transition:width .1s linear}.progress span{font-size:12px;color:var(--muted)}.result{display:flex;flex-direction:column;gap:8px}.result__row{display:flex;align-items:center;justify-content:space-between;gap:10px}.result__row a{padding:10px 14px;font-size:13px;font-weight:600;color:#fff;background:var(--ink);border-radius:8px;text-decoration:none}.result__row span{font-size:12px;color:var(--muted)}.library{display:flex;flex-direction:column;gap:16px}.library__group{display:flex;flex-direction:column;gap:8px}.library__group>label{font-size:12px;font-weight:600}.library__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.lib-item{position:relative;cursor:pointer;border-radius:8px;overflow:hidden;background:#f3f3f5;border:1px solid var(--line);aspect-ratio:1 / 1}.lib-item img{width:100%;height:100%;object-fit:cover;display:block}.lib-item--noimg{display:grid;place-items:center;padding:6px}.lib-item--noimg .lib-item__name{position:static;background:none;color:var(--ink);text-align:center;white-space:normal;line-height:1.25}.lib-item__name{position:absolute;left:0;right:0;bottom:0;font-size:10px;line-height:1.2;padding:3px 5px;color:#fff;background:linear-gradient(transparent,#0009);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-item__del{position:absolute;top:3px;right:3px;width:18px;height:18px;border:none;border-radius:50%;background:#ffffffd9;color:#111;font-size:12px;line-height:1;cursor:pointer;opacity:0;transition:opacity .15s}.lib-item:hover .lib-item__del{opacity:1}.lib-item.is-active{outline:2px solid var(--ink);outline-offset:-2px}.panel__foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.panel__foot a{color:var(--ink);text-decoration:none}.panel__foot a:hover{text-decoration:underline}@media (max-width: 800px){.app{grid-template-columns:1fr;grid-template-rows:1fr auto}.stage{padding:20px}.panel{border-left:none;border-top:1px solid var(--line)}}