:root{
  --green:#1F3A2E; --green2:#2B4A3C; --cream:#F4EFE6; --cream2:#FBF8F2; --ink:#1F2A24; --soft:#3E4A43;
  --grey:#7A7368; --line:#E2DACB; --gold:#C9A96E; --gold-dk:#8A6A1F; --bg:#F4EFE6; --card:#FBF8F2;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:'Rubik',system-ui,sans-serif;font-weight:300;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:var(--green);color:var(--cream)}
.brand{display:flex;align-items:baseline;gap:12px}
.word{font-family:'Cormorant Garamond',Georgia,serif;font-size:30px;font-weight:500;letter-spacing:.5px}
.badge{font-size:11px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold)}
.top-right{display:flex;align-items:center;gap:14px}
.top .seg{background:rgba(255,255,255,.08)}
.top .seg button{color:var(--cream)}
.top .seg button.on{background:var(--cream);color:var(--green)}
.lang{display:flex;border:1px solid rgba(244,239,230,.35);border-radius:999px;overflow:hidden}
.lang button{padding:6px 10px;font-size:12px;letter-spacing:1px;color:var(--cream)}
.lang button.on{background:var(--gold);color:var(--green);font-weight:500}

.app{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:24px;padding:24px;max-width:1500px;margin:0 auto}
.viewer{min-width:0}
.stage{position:relative;width:100%;border-radius:10px;overflow:hidden;background:#e7e0d3;aspect-ratio:3/2;user-select:none;touch-action:pan-y}
.stage.square{aspect-ratio:1/1;max-width:820px;margin:0 auto}
.stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.before{position:absolute;inset:0;clip-path:inset(0 100% 0 0)}
.handle{position:absolute;top:0;bottom:0;left:0;width:0;display:none}
.handle::before{content:"";position:absolute;top:0;bottom:0;left:-1px;width:2px;background:var(--cream);box-shadow:0 0 6px rgba(0,0,0,.35)}
.handle span{position:absolute;top:50%;left:-19px;width:38px;height:38px;margin-top:-19px;border-radius:50%;background:var(--cream);box-shadow:0 2px 10px rgba(0,0,0,.3);cursor:ew-resize}
.handle span::before{content:"‹ ›";position:absolute;inset:0;display:grid;place-items:center;font-size:17px;color:var(--green);font-weight:500;letter-spacing:2px}
.stage.cmp .handle{display:block}
.tag{position:absolute;top:12px;padding:4px 10px;border-radius:999px;background:rgba(31,58,46,.78);color:var(--cream);font-size:11px;letter-spacing:2px;text-transform:uppercase;display:none}
.tag-l{left:12px}.tag-r{right:12px}
.stage.cmp .tag{display:block}
.loading{position:absolute;inset:0;background:rgba(244,239,230,.35);opacity:0;pointer-events:none;transition:opacity .2s}
.loading.on{opacity:1}

.tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;align-items:center}
.tool{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:13px;color:var(--soft);text-decoration:none}
.tool svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tool:hover{border-color:var(--gold)}
.tool.on{background:var(--green);color:var(--cream);border-color:var(--green)}
.tool[disabled]{opacity:.35;cursor:default}
.spacer{flex:1}
.note{margin-top:14px;font-size:12.5px;line-height:1.55;color:var(--grey);max-width:780px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:14px;align-self:start;position:sticky;top:16px}
.seg{display:inline-flex;gap:2px;padding:3px;border-radius:999px;background:var(--cream)}
.seg.wide{display:flex}
.seg.wide button{flex:1}
.seg button{padding:7px 13px;border-radius:999px;font-size:13px;color:var(--soft);white-space:nowrap}
.seg button.on{background:var(--green);color:var(--cream)}
.seg button[disabled]{opacity:.4;cursor:default}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sw{display:flex;flex-direction:column;gap:6px;text-align:left}
.sw .im{position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;border:2px solid transparent;background:var(--cream)}
.sw img{width:100%;height:100%;object-fit:cover;display:block}
.sw.on .im{border-color:var(--gold-dk)}
.sw .nm{font-size:12px;line-height:1.25;color:var(--ink)}
.sw .mk{font-size:10.5px;color:var(--grey);letter-spacing:.3px}
.empty{font-size:13px;color:var(--grey);line-height:1.5;display:none}
.info{border-top:1px solid var(--line);padding-top:14px}
.maker{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--gold-dk);font-weight:500}
.info h2{font-family:'Cormorant Garamond',Georgia,serif;font-weight:500;font-size:28px;line-height:1.1;margin:4px 0 6px}
.spec{font-size:13px;color:var(--soft);line-height:1.5}
.qty{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin-top:12px;font-size:13px}
.qty dt{color:var(--grey)}
.qty dd{color:var(--ink);font-weight:400;text-align:right}
.why-line{margin-top:10px;font-size:12.5px;color:var(--soft);line-height:1.5;font-style:italic}
.cta{background:var(--green);color:var(--cream);padding:13px 16px;border-radius:10px;font-size:14px;font-weight:400;letter-spacing:.3px}
.cta:hover{background:var(--green2)}
.fine{font-size:11.5px;color:var(--grey);line-height:1.45;margin-top:-6px}

.modal{position:fixed;inset:0;background:rgba(20,30,25,.55);display:grid;place-items:center;padding:16px;z-index:20}
.modal[hidden]{display:none}
.sheet{position:relative;background:var(--cream2);border-radius:14px;max-width:min(980px,100%);max-height:92vh;overflow:auto;padding:22px}
.sheet .x{position:absolute;top:8px;right:12px;font-size:26px;color:var(--soft);line-height:1}
.sheet h3{font-family:'Cormorant Garamond',Georgia,serif;font-weight:500;font-size:26px;margin-bottom:8px;padding-right:30px}
.sheet p{font-size:13.5px;line-height:1.55;color:var(--soft);margin-bottom:12px}
.sheet img{width:100%;height:auto;border-radius:8px;display:block}
.form{display:grid;gap:10px;min-width:min(440px,80vw)}
.form label{font-size:12px;color:var(--grey);display:grid;gap:4px}
.form input,.form textarea{font:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.summary{background:var(--cream);border-radius:8px;padding:10px 12px;font-size:12.5px;line-height:1.6;color:var(--soft);white-space:pre-line}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--green);color:var(--cream);padding:10px 16px;border-radius:999px;font-size:13px;opacity:0;transition:.25s;pointer-events:none;z-index:30}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:980px){
  .app{grid-template-columns:1fr;padding:16px;gap:16px}
  .panel{position:static}
  .top{padding:12px 16px;flex-wrap:wrap}
  .grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:560px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .tool span{display:none}
  .tool{padding:9px 11px}
  .word{font-size:26px}
  .seg button{padding:7px 10px;font-size:12.5px}
}
@media (max-width:560px){ .badge{letter-spacing:1.5px;font-size:10px} .top .seg button{padding:6px 9px} }

/* ---- v4: live floor, tap-to-select, A/B, brush, search, favourites */
.stage .layer{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.stage canvas.layer{object-fit:cover}
#beforeWrap{z-index:1}
.stage.ab #beforeWrap{z-index:0}
.stage.ab #imgFloor,.stage.ab #imgRug,.stage.ab #floorCv{z-index:2}
.hl{z-index:4;opacity:0;transition:opacity .45s}
.hl.on{opacity:1;transition:none}
.handle,.tag{z-index:5}
.stage.grab{cursor:grab}.stage.grabbing{cursor:grabbing}.stage.pick{cursor:pointer}.stage.brushing{cursor:crosshair}
.hint{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:5;background:rgba(31,58,46,.82);color:var(--cream);font-size:12px;letter-spacing:.3px;padding:6px 12px;border-radius:999px;opacity:0;transition:opacity .3s;pointer-events:none;white-space:nowrap}
.hint.on{opacity:1}
.brushbar{position:absolute;left:12px;right:12px;top:12px;z-index:6;display:none;align-items:center;gap:8px;flex-wrap:wrap;background:rgba(251,248,242,.94);border-radius:12px;padding:8px 10px;box-shadow:0 4px 16px rgba(0,0,0,.18)}
.stage.brushing .brushbar{display:flex}
.bsize{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--soft)}
.bsize input{width:110px;accent-color:var(--green)}
.tool.absel{padding:7px 10px;font:inherit;font-size:13px;color:var(--ink);background:var(--card);max-width:200px}
.searchrow{display:flex;gap:6px}
.searchrow input{flex:1;font:inherit;font-size:13px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);min-width:0}
.favf{width:36px;border:1px solid var(--line);border-radius:999px;color:var(--grey);font-size:15px;background:var(--card)}
.favf.on{background:var(--green);color:#E8B4B4;border-color:var(--green)}
.sw{position:relative}
.sw .fav{position:absolute;top:5px;right:5px;width:24px;height:24px;border-radius:50%;background:rgba(251,248,242,.88);color:#9A8F80;display:grid;place-items:center;font-size:13px;line-height:1;cursor:pointer}
.sw .fav.on{color:#C0392B}
.opts{display:none;flex-direction:column;gap:8px}
.opts.on{display:flex}
.optlbl{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--grey)}
.seg.small button{padding:6px 8px;font-size:12px}
.rugrow{display:flex;gap:6px;flex-wrap:wrap}
.rugrow .tool{padding:6px 11px;font-size:12.5px}
.plink{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--gold-dk);text-decoration:none;border-bottom:1px solid rgba(138,106,31,.35)}
.plink:empty{display:none}
.toplink{display:inline-flex;align-items:center;gap:6px;color:var(--cream);font-size:12.5px;padding:6px 10px;border:1px solid rgba(244,239,230,.35);border-radius:999px}
.toplink svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6}
.sharegrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;min-width:min(380px,80vw)}
.sharegrid a,.sharegrid button{display:block;text-align:center;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);text-decoration:none;font-size:13.5px}
.plist{list-style:none;display:grid;gap:8px;min-width:min(440px,80vw)}
.plist li{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.plist img{width:72px;height:48px;object-fit:cover;border-radius:6px}
.plist a{flex:1;color:var(--ink);text-decoration:none;font-size:13px;line-height:1.35}
.plist button{color:var(--grey);font-size:18px;padding:0 6px}
.dealer{display:flex;gap:6px}
.dealer input{flex:1}
.dealerout{font-size:12.5px;color:var(--soft);line-height:1.5;background:var(--cream);border-radius:8px;padding:8px 10px;display:none}
@media (max-width:560px){ .toplink span{display:none} .brushbar{top:auto;bottom:8px} .tool.absel{max-width:150px} }
[hidden]{display:none!important}
@media (max-width:560px){ .top .seg button{padding:6px 8px;font-size:11.5px} .top-right{gap:8px} .top{gap:10px} }