.lyc-app{
  --bg:#F5F5F5; --surface:#FFFFFF; --ink:#1B1B1B; --muted:#5A5F6B; --line:#E2E4EA; --navy:#172886; --green:#3BAA35;
  --accent:#172886; --accent-ink:#FFFFFF; --accent-soft:#E8EBFA; --sun:#F5B800; --ai:#5B3FD6; --ai-soft:#ECE8FD;
  --display:"Poppins","Segoe UI",system-ui,sans-serif;
  --body:"Montserrat","Segoe UI",system-ui,-apple-system,sans-serif;
  color-scheme:light; box-sizing:border-box;
  
}
.lyc-app *,.lyc-app *::before,.lyc-app *::after{box-sizing:inherit}
.lyc-app{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
.lyc-app button,.lyc-app input{font:inherit;color:inherit}
.lyc-app :focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:6px}
.lyc-app .box{background:var(--surface);border-radius:4px;padding:clamp(18px,3vw,40px)}
.lyc-app .layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(330px,.9fr);gap:clamp(20px,3vw,40px);padding:clamp(8px,2vw,24px) 0 60px;max-width:1360px;margin:0 auto}
@media (max-width:900px){.lyc-app .layout{grid-template-columns:1fr;padding-bottom:160px}}
.lyc-app /* stage */
.stagecol{position:sticky;top:20px;align-self:start;padding:clamp(12px,1.6vw,20px)}
@media (max-width:900px){.lyc-app .stagecol{position:static}}
.lyc-app .stage{position:relative;width:100%;aspect-ratio:1600/1195;border-radius:18px;overflow:hidden;background:#E9E7E2 center/cover no-repeat;perspective:none}
.lyc-app #plane{position:absolute;inset:0;pointer-events:none}
.lyc-app .frame{position:absolute;left:0;top:0;transform-origin:0 0;cursor:pointer;touch-action:none;pointer-events:auto;backface-visibility:hidden}
.lyc-app .frame.active{cursor:grab}
.lyc-app .frame.dragging{cursor:grabbing;transition:none}
.lyc-app .frame canvas.face{display:block;width:100%;height:100%;position:relative;z-index:1}
.lyc-app .frame canvas.side{position:absolute;top:0;height:100%;left:100%;display:none}
.lyc-app .frame .shadow{position:absolute;inset:0;pointer-events:none}
.lyc-app .frame .ring{display:none;position:absolute;pointer-events:none;border-style:solid;border-color:var(--accent);z-index:2}
.lyc-app .frame .empty{position:absolute;inset:0;z-index:2;display:grid;place-items:center;text-align:center;padding:8%;background:repeating-linear-gradient(45deg,#fff 0 3px,#F2F2F5 3px 6px);color:#3A3F5C;line-height:1.2;overflow:hidden}
.lyc-app .frame .empty b{display:block;font-family:var(--display)}
.lyc-app .measure{position:absolute;font-size:clamp(.62rem,1.1vw,.8rem);color:#2b2f45;background:rgba(255,255,255,.88);padding:1px 7px;border-radius:999px;white-space:nowrap;pointer-events:none;transform:translate(-50%,-100%)}
.lyc-app .bgpick{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.lyc-app .bgpick>span{font-size:.9rem;color:var(--muted);margin-right:2px}
.lyc-app .bgbtn{border:2px solid transparent;border-radius:10px;padding:0;width:64px;height:48px;background:#ddd center/cover no-repeat;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.lyc-app .bgbtn[aria-pressed="true"]{border-color:var(--accent)}
.lyc-app .bgbtn.own{display:grid;place-items:center;background:var(--surface);border:1.5px dashed var(--line);font-size:.72rem;font-weight:600;line-height:1.1;color:var(--muted);text-align:center}
.lyc-app .bgbtn.own[aria-pressed="true"]{border:2px solid var(--accent)}
.lyc-app .stagefoot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;margin-top:12px}
.lyc-app .hint{color:var(--muted);font-size:.9rem;margin:0}
.lyc-app .zoomrow{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--muted)}
.lyc-app .zoomrow input{width:140px;accent-color:var(--accent)}
.lyc-app /* panel */
.panel h1{font-family:var(--display);font-weight:500;color:var(--navy);font-size:clamp(1.6rem,2.5vw,2.15rem);line-height:1.15;letter-spacing:-.01em;margin:4px 0 10px}
.lyc-app .lead{color:var(--muted);margin:0 0 18px;max-width:46ch}
.lyc-app .tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.lyc-app .tab{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:6px 8px 6px 6px;cursor:pointer;font-weight:600;font-size:.9rem}
.lyc-app .tab[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.lyc-app .tab canvas{width:30px;height:30px;border-radius:6px;background:#E9E7E2;object-fit:cover}
.lyc-app .tab .x{border:0;background:none;padding:0 2px;color:var(--muted);cursor:pointer;font-size:1.05rem;line-height:1}
.lyc-app .addbtn{border:1.5px dashed var(--accent);background:none;color:var(--accent);border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer;font-size:.9rem}
.lyc-app .step{border-top:1px solid var(--line);padding:18px 0}
.lyc-app .step h2{display:flex;align-items:baseline;gap:10px;font-family:var(--display);font-weight:600;color:var(--navy);font-size:1.12rem;margin:0 0 12px}
.lyc-app .step h2 .n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--navy);color:var(--bg);font-size:.85rem;font-family:var(--body);flex:none;transform:translateY(-1px)}
.lyc-app .drop{display:flex;align-items:center;gap:14px;border:2px dashed var(--line);border-radius:14px;padding:14px 16px;background:var(--surface);cursor:pointer}
.lyc-app .drop:hover,.lyc-app .drop.over{border-color:var(--accent);background:var(--accent-soft)}
.lyc-app .drop b{display:block}
.lyc-app .drop small{color:var(--muted)}
.lyc-app .linkbtn{background:none;border:0;padding:0;color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.lyc-app .privacy{font-size:.83rem;color:var(--muted);margin:10px 0 0}
.lyc-app .seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.lyc-app .seg button{border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;text-align:left;cursor:pointer}
.lyc-app .seg button b{display:block}
.lyc-app .seg button span{font-size:.85rem;color:var(--muted)}
.lyc-app .seg button[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.lyc-app .group{margin-bottom:14px}
.lyc-app .kitbox{display:none;margin-top:14px}
.lyc-app .kitbox.show{display:block}
.lyc-app .kitdesc{font-size:.88rem;color:var(--muted);margin:8px 0}
.lyc-app .paints{display:none}
.lyc-app .paints.show{display:flex}
.lyc-app .assure{display:flex;gap:10px;align-items:flex-start;margin-top:12px;padding:12px 14px;border-radius:12px;background:#EAF7EA;color:#1F4D1C;font-size:.9rem}
.lyc-app .group h3{font-size:.9rem;font-weight:600;color:var(--muted);margin:0 0 8px}
.lyc-app .stylegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:10px}
.lyc-app .st{border:0;background:none;padding:0;cursor:pointer;text-align:left;font-size:.82rem;font-weight:600;display:flex;flex-direction:column;justify-content:flex-start;align-self:start}
.lyc-app .st canvas{display:block;width:100%;height:auto;aspect-ratio:1;border-radius:10px;background:#E9E7E2;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);outline:2.5px solid transparent;outline-offset:2px}
.lyc-app .st[aria-pressed="true"] canvas{outline-color:var(--accent)}
.lyc-app .st span{display:block;margin-top:5px;line-height:1.2}
.lyc-app .aisoon{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:.85rem;color:var(--muted);margin-top:4px}
.lyc-app .aisoon span{background:var(--ai-soft);color:var(--ai);font-weight:600;padding:3px 10px;border-radius:999px}
.lyc-app .chips{display:flex;flex-wrap:wrap;gap:8px}
.lyc-app .chip{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;cursor:pointer;font-weight:600;font-size:.92rem}
.lyc-app .chip[aria-pressed="true"]{background:var(--navy);color:var(--accent-ink);border-color:var(--navy)}
.lyc-app .chip:disabled{opacity:.5;cursor:not-allowed}
.lyc-app .palette{display:none;margin-top:4px}
.lyc-app .palette.show{display:block}
.lyc-app .palette p{margin:0 0 6px;font-size:.9rem;color:var(--muted)}
.lyc-app .swatches{display:flex;flex-wrap:wrap;gap:6px}
.lyc-app .sw{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:.72rem;font-weight:700;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.lyc-app .orient{margin-bottom:12px}
.lyc-app .sizes{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.lyc-app .size{position:relative;border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;text-align:left;cursor:pointer}
.lyc-app .size[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.lyc-app .size .dim{font-family:var(--display);font-weight:700;font-size:1.15rem;display:block}
.lyc-app .size .price{font-weight:600}
.lyc-app .size .tag{position:absolute;top:-10px;right:10px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:700;padding:1px 8px;border-radius:999px}
.lyc-app .enhance{display:none;gap:10px;align-items:flex-start;margin-top:12px;padding:10px 12px;border-radius:12px;background:var(--ai-soft);color:var(--ink);font-size:.9rem}
.lyc-app .enhance.show{display:flex}
.lyc-app .enhance svg{flex:none;color:var(--ai);margin-top:2px}
.lyc-app .other{font-size:.9rem;color:var(--muted);margin:10px 0 0}
.lyc-app .summary{position:sticky;bottom:16px;margin-top:8px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:14px;box-shadow:0 10px 30px rgba(20,23,42,.12)}
.lyc-app .summary .what{flex:1;min-width:0}
.lyc-app .summary .what b{display:block;font-size:1.25rem;font-family:var(--display)}
.lyc-app .summary .what span{font-size:.86rem;color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lyc-app .cta{display:inline-flex;align-items:center;background:var(--navy);color:var(--accent-ink);border-radius:100px;padding:13px 22px;font-weight:700;text-decoration:none;white-space:nowrap}
.lyc-app .cta[aria-disabled="true"]{opacity:.45;pointer-events:none}
@media (max-width:900px){.lyc-app .summary{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));margin:0;z-index:5}}
.lyc-app .note{font-size:.82rem;color:var(--muted);margin:12px 0 0}
.lyc-app .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:reduce){.lyc-app .frame{transition:none}}
.lyc-app{font-size:16px;line-height:1.5;color:var(--ink)}
.lyc-app h1,.lyc-app h2,.lyc-app h3{text-transform:none}
.lyc-app button.cta{border:0;cursor:pointer;font-family:var(--body);font-size:1rem}
.lyc-app button.cta:disabled{opacity:.55;cursor:progress}
.lyc-app .ctaerr{color:#B3261E;font-size:.9rem;margin:8px 0 0;min-height:1em}
.lyc-app .delivery{display:block;margin-top:4px;font-weight:600}

.lyc-app button{text-transform:none;letter-spacing:normal;font-family:inherit}
.lyc-app .linkbtn{font-size:inherit}

.lyc-app .walltools{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:12px}
.lyc-app .walltools .tool{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--muted)}
.lyc-app .walltools .tool[hidden]{display:none}
.lyc-app .walltools input[type=range]{width:120px;accent-color:var(--accent)}