:root{--ink:#1d1d1f;--muted:#6b6b70;--line:#e3e1dc;--bg:#faf8f5;--card:#fff;--brand:#b3261e;--brand-ink:#fff;--ok:#1f7a3a;--warn:#a15c00;--bad:#b3261e;--radius:12px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:20px;color:var(--brand);text-decoration:none;letter-spacing:.3px}
.tag{font-size:13px;color:var(--muted)}
.steps{display:flex;gap:4px;overflow-x:auto;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.steps button{flex:0 0 auto;border:0;background:none;padding:6px 10px;border-radius:20px;color:var(--muted);cursor:pointer;white-space:nowrap}
.steps button.on{background:var(--ink);color:#fff}
.steps button.done{color:var(--ink)}
.steps button:disabled{opacity:.45;cursor:default}
main{max-width:1040px;margin:0 auto;padding:16px 16px 110px}
h1{font-size:26px;margin:8px 0 4px}
h1 small{font-size:15px;color:var(--muted);font-weight:400}
.sub{color:var(--muted);margin:0 0 16px}
.step{display:none}.step.on{display:block}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 14px;cursor:pointer;text-transform:capitalize}
.tabs button.on{border-color:var(--ink);background:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.card{background:var(--card);border:2px solid var(--line);border-radius:var(--radius);padding:14px 10px;text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;transition:border-color .15s}
.card:hover{border-color:#bbb}
.card.on{border-color:var(--brand);box-shadow:0 0 0 3px rgba(179,38,30,.12)}
.card .shape{background:#d9d4cc;border-radius:2px;box-shadow:2px 2px 0 rgba(0,0,0,.12)}
.card b{font-size:17px}.card span{color:var(--muted);font-size:14px}
.card .pop{font-size:11px;background:var(--brand);color:#fff;border-radius:10px;padding:1px 8px}
.drop{display:flex;flex-direction:column;align-items:center;gap:6px;border:2px dashed #c9c4bb;border-radius:var(--radius);background:#fff;padding:48px 16px;text-align:center;cursor:pointer;color:var(--muted)}
.drop.over{border-color:var(--brand);background:#fff6f5}
.drop input{display:none}
.drop strong{color:var(--ink);font-size:18px}
.drop-icon{font-size:40px;color:var(--brand);line-height:1}
.progress{margin-top:16px;background:#eee;border-radius:8px;overflow:hidden;position:relative;height:30px}
.progress div{height:100%;width:0;background:var(--brand);transition:width .2s}
.progress span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;mix-blend-mode:difference}
.editor{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.frame-wrap{display:flex;justify-content:center;align-items:center;background:#ece8e1;border-radius:var(--radius);padding:24px;min-height:300px}
.frame-wrap.small{margin-top:14px}
.frame{position:relative;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.25);background:#ccc;touch-action:none;max-width:100%}
.frame canvas{display:block;width:100%;height:100%}
#frame{cursor:grab}#frame:active{cursor:grabbing}
.text-layer{display:none}
.tools{display:flex;flex-direction:column;gap:14px}
.tools label{display:flex;flex-direction:column;gap:6px;font-weight:600}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{border:0;background:var(--brand);color:var(--brand-ink);padding:10px 18px;border-radius:10px;cursor:pointer;font-weight:600}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:500}
.btn.ghost.on{border-color:var(--ink);background:var(--ink);color:#fff}
.btn.big{width:100%;padding:14px;font-size:18px}
.btn:disabled{opacity:.5;cursor:default}
.quality{border-radius:10px;padding:10px 12px;font-size:14px;background:#fff;border:1px solid var(--line)}
.quality b{display:block;font-size:15px}
.quality.ok b{color:var(--ok)}.quality.warn b{color:var(--warn)}.quality.bad b{color:var(--bad)}
.edge-demo{width:90px;height:70px;position:relative;transform:perspective(300px) rotateY(-25deg);margin:4px 0 6px}
.edge-demo i{position:absolute;inset:0;background:linear-gradient(135deg,#6a8caf,#e2b57a)}
.edge-demo em{position:absolute;top:0;bottom:0;right:-14px;width:14px;transform-origin:left;transform:rotateY(70deg)}
.color-pick{display:flex;align-items:center;gap:10px;margin-top:14px;font-weight:600}
.text-form textarea,.note textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;margin:10px 0;background:#fff}
.text-form label{display:flex;flex-direction:column;gap:4px;font-size:14px}
.review{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.room{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;background:#a99f95}
#roomBg{position:absolute;inset:0;width:100%;height:100%}
.art{position:absolute;box-shadow:4px 8px 18px rgba(0,0,0,.35)}
.room-note{position:absolute;left:10px;bottom:10px;font-size:12px;color:#333;background:rgba(255,255,255,.8);padding:3px 8px;border-radius:8px}
.art canvas{display:block;width:100%;height:100%}
.summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.summary ul{list-style:none;padding:0;margin:0 0 10px}
.summary li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid #f0eeea;font-size:15px}
.summary li span{color:var(--muted)}
.svc{display:flex;gap:8px;align-items:center;padding:6px 0;font-size:15px}
.note{display:block;font-size:14px;font-weight:600;margin-top:8px}
.total{display:flex;justify-content:space-between;font-size:20px;margin:10px 0}
.fine{font-size:13px;color:var(--muted)}
.bar{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;background:#fff;border-top:1px solid var(--line);z-index:6}
.price{font-size:15px;color:var(--muted)}.price strong{color:var(--ink);font-size:20px;margin-left:4px}
.toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:9;max-width:90%;text-align:center}
@media (max-width:760px){
  .editor,.review{grid-template-columns:1fr}
  h1{font-size:22px}
  .frame-wrap{padding:12px;min-height:220px}
  .tag{display:none}
}
.types{margin:4px 0 18px}
.types button{font-size:16px;padding:9px 18px;font-weight:600}
.mini-box{height:96px;display:flex;align-items:center;justify-content:center}
.mini{position:relative}
.mini i{position:absolute;background:#c9bfb2;box-shadow:1px 1px 0 rgba(0,0,0,.15)}
.tpl-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));margin-bottom:22px}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:16px}
.slot{background:#fff;border:2px dashed #c9c4bb;border-radius:var(--radius);padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--muted)}
.slot.full{border-style:solid;border-color:var(--line)}
.slot-pic{background:#ece8e1;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--brand);overflow:hidden}
.slot-pic canvas{display:block}
.slot-chips{margin-bottom:12px}
.frame canvas.overlay{position:absolute;inset:0;pointer-events:none}
.art.flat{box-shadow:none}

/* wall + split: sample pictures, size tooltip, room preview */
.card{position:relative}
.mini.photo i{background-color:#c9bfb2;box-shadow:0 1px 3px rgba(0,0,0,.35)}
.card .sizes{display:none;position:absolute;left:6px;right:6px;bottom:calc(100% + 6px);background:var(--ink);color:#fff;font-size:12px;border-radius:8px;padding:8px 10px;z-index:6;text-align:left;line-height:1.5}
.card .sizes b{font-size:12px}
@media (hover:hover){.card:hover .sizes{display:block}}
.tpl-room{max-width:720px;margin:0 auto 18px}
.tpl-room.hidden{display:none}
.tr-stage{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;background:#ddd}
.tr-stage img{position:absolute;left:0;width:100%;display:block}
.tr-ext{position:absolute;left:0;top:0;width:100%;background-repeat:no-repeat;background-size:100% 10000%;background-position:top}
.tr-art{position:absolute}
.tr-art i{position:absolute;box-shadow:2px 4px 8px rgba(0,0,0,.35)}
.tr-cap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);margin-top:8px}
.tr-cap b{color:var(--ink)}
.tr-rooms{display:flex;gap:6px}
.tr-rooms button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:5px 12px;font-size:13px;cursor:pointer;color:var(--ink)}
.tr-rooms button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

.card .badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-style:normal;font-size:11px;font-weight:700;letter-spacing:.3px;text-transform:uppercase;padding:2px 10px;border-radius:20px;white-space:nowrap;z-index:2}
.tpl-grid{padding-top:8px}
.tr-try{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:12px}
.tr-btn{background:var(--brand);color:#fff;font-weight:600;font-size:14px;padding:9px 16px;border-radius:24px;cursor:pointer}
.tr-btn:hover{filter:brightness(1.08)}
.tr-note{font-size:13px;color:var(--muted)}
.tr-note a{color:var(--brand)}

.tr-stage img.tr-front{pointer-events:none;z-index:2}
.tr-art{z-index:1}

/* phones: two layout cards per row, smaller drawings */
@media (max-width:600px){
  .tpl-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .tpl-grid .card{padding:12px 6px 10px;gap:6px}
  .tpl-grid .card b{font-size:13px;line-height:1.3}
  .tpl-grid .card span{font-size:13px}
  .tpl-grid .mini-box{height:76px;max-width:100%;overflow:hidden}
  .tpl-grid .mini{transform:scale(.82);transform-origin:center}
  .tr-cap{font-size:13px}
}