/* Room Planner 3D */
[hidden]{display:none!important}
body.rp{background:#EEEAE4;overflow:hidden;height:100svh}
.rp .hdr{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.rp .hdr .wrap{max-width:none;height:64px}
.rp-app{position:fixed;inset:64px 0 0;display:grid;grid-template-columns:300px 1fr 320px}
.panel{background:#fff;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line)}
.panel.right{border-right:0;border-left:1px solid var(--line)}
.panel-h{padding:16px 16px 10px;display:grid;gap:10px;border-bottom:1px solid var(--line)}
.panel-h h2{font-size:18px}
.panel-b{overflow:auto;padding:12px;display:grid;gap:8px;align-content:start;flex:1}
.search{height:42px;border-radius:12px;border:1.5px solid var(--line);padding:0 12px;font:400 15px var(--f-body);width:100%}
.search:focus{outline:0;border-color:var(--red)}
.rp .chips{padding:0 0 4px;-webkit-mask-image:none}
.rp .chip{height:34px;padding:0 12px;font-size:13px}
.cat-item{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center;padding:8px;border-radius:14px;border:1px solid transparent;background:var(--warm);cursor:pointer;text-align:left;width:100%;transition:border-color .2s,transform .2s}
.cat-item:hover{border-color:var(--ink);transform:translateX(2px)}
.cat-item img{width:56px;height:56px;object-fit:contain;background:#fff;border-radius:10px;mix-blend-mode:multiply}
.cat-item b{display:block;font:600 13.5px/1.3 var(--f-head);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-item small{color:var(--red);font:600 13px var(--f-head)}
.cat-item .add{width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:20px;line-height:1}

/* stage */
.rp-stage{position:relative;overflow:hidden;background:radial-gradient(80% 70% at 50% 40%,#F7F4EF,#DDD6CC);touch-action:none;user-select:none;-webkit-user-select:none}
.view3d{position:absolute;inset:0;perspective:1500px;perspective-origin:50% 35%}
.room{position:absolute;left:50%;top:54%;width:0;height:0;transform-style:preserve-3d;transition:transform .5s var(--ease)}
.room.dragging{transition:none}
.face{position:absolute;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.room .floor{background:var(--floor,#C9A97F);box-shadow:inset 0 0 120px rgba(60,40,20,.28)}
.room .wall{background:var(--wall,#EDE6DC)}
.room .wall.side{filter:brightness(.93)}
.room .wall::after{content:"";position:absolute;inset:auto 0 0;height:12px;background:rgba(0,0,0,.08)}
.deco{position:absolute;pointer-events:none}
.window{background:linear-gradient(180deg,#CFE3F2,#EAF3F9 60%,#F7FAFC);border:8px solid #fff;box-shadow:inset 0 0 0 2px rgba(0,0,0,.06),0 6px 14px rgba(0,0,0,.08)}
.window::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:6px;margin-left:-3px;background:#fff}
.rug{border-radius:12px;opacity:.9}
.item{position:absolute;transform-origin:50% 100%;transform-style:preserve-3d;cursor:grab}
.item .sprite{position:absolute;inset:0;background-size:100% 100%;background-repeat:no-repeat}
.item.sel .sprite{filter:drop-shadow(0 0 0 #fff) drop-shadow(0 0 3px var(--red)) drop-shadow(0 0 6px var(--red))}
.item .cab{position:absolute;left:-10%;width:120%;top:100%;background:linear-gradient(180deg,#B48B5E,#9C7448);border-radius:3px;box-shadow:inset 0 2px 0 rgba(255,255,255,.25)}
.item .cab::before{content:"";position:absolute;inset:14% 8% 12%;border:1px solid rgba(0,0,0,.18);border-radius:2px}
.item.wall{transform-origin:50% 50%}
.item.wall .sprite{filter:drop-shadow(0 6px 8px rgba(0,0,0,.25))}
.item .lbl{position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);background:#fff;color:var(--ink);font:600 12px/1 var(--f-head);padding:6px 9px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 16px -6px rgba(0,0,0,.35);pointer-events:none;opacity:0;transition:opacity .2s}
.item.sel .lbl,.item:hover .lbl{opacity:1}
.item .lbl b{color:var(--red)}
.shadow{position:absolute;border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.38),rgba(0,0,0,0));pointer-events:none}

/* photo mode */
.view2d{position:absolute;inset:0;display:none;background:#222 center/contain no-repeat}
.rp-stage.photo .view3d{display:none}
.rp-stage.photo .view2d{display:block}
.view2d .item{transform-origin:50% 100%}
.view2d .item .sprite{filter:drop-shadow(0 14px 10px rgba(0,0,0,.35))}

/* toolbars */
.tb{position:absolute;z-index:5;display:flex;gap:6px;flex-wrap:wrap}
.tb.top{top:12px;left:12px;right:12px;justify-content:space-between}
.tb .grp{display:flex;gap:4px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);padding:4px;border-radius:14px;box-shadow:var(--sh-1)}
.tb button,.tb label.tbtn{height:36px;padding:0 12px;border:0;border-radius:10px;background:transparent;font:500 13.5px var(--f-head);color:var(--ink);display:inline-flex;align-items:center;gap:6px;cursor:pointer;white-space:nowrap}
.tb button:hover,.tb label.tbtn:hover{background:var(--warm)}
.tb button.on{background:var(--ink);color:#fff}
.tb select{height:36px;border:0;background:transparent;font:500 13.5px var(--f-head);padding:0 6px;border-radius:10px}
.selbar{position:absolute;left:50%;bottom:16px;transform:translate(-50%,140%);z-index:6;display:flex;gap:4px;align-items:center;background:var(--ink);color:#fff;border-radius:16px;padding:6px;transition:transform .3s var(--ease);box-shadow:0 16px 30px -10px rgba(0,0,0,.5);max-width:calc(100% - 24px)}
.selbar.on{transform:translate(-50%,0)}
.selbar .nm{font:600 13px var(--f-head);padding:0 10px;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.selbar button{height:36px;min-width:36px;padding:0 10px;border:0;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font:500 13px var(--f-head)}
.selbar button:hover{background:rgba(255,255,255,.2)}
.selbar button.del{background:var(--red)}
.hint{position:absolute;left:12px;bottom:14px;z-index:4;font-size:12px;color:var(--mute);background:rgba(255,255,255,.8);padding:6px 10px;border-radius:10px;max-width:60%}
.emptyroom{position:absolute;left:50%;top:22%;transform:translateX(-50%);z-index:4;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:var(--sh-2);font:500 14px var(--f-head);text-align:center;pointer-events:none;max-width:86%}

/* sprite keeps real proportions */
.item .sprite{background-size:contain!important;background-position:center bottom!important}
.item.clash .sprite{filter:drop-shadow(0 0 4px #ff2d55) drop-shadow(0 0 8px #ff2d55)}
.item .dimtag{position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);font:600 11px/1 var(--f-head);color:#fff;background:rgba(20,20,20,.78);padding:4px 7px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none}
.item.sel .dimtag{opacity:1}

/* WebGL renderer */
.rp-stage.gl .room{display:none}
.rp-stage.gl{background:#E9E4DD}
.gl-label{position:absolute;left:0;top:0;z-index:3;pointer-events:none;white-space:nowrap;background:#fff;color:var(--ink);font:600 12.5px/1 var(--f-head);padding:7px 10px;border-radius:999px;box-shadow:0 8px 20px -8px rgba(0,0,0,.4)}
.gl-label b{color:var(--red)}
/* photo mode: shadow + light matching */
.pframe .item .sprite{filter:var(--plight,none) drop-shadow(0 10px 8px rgba(0,0,0,.28))}
.pframe .item .pshadow{position:absolute;left:-10%;right:-10%;bottom:-7%;height:16%;border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.5),rgba(0,0,0,0));pointer-events:none}

/* appliances as 3D boxes (front = product photo) */
.item3{position:absolute;left:0;top:0;width:0;height:0;transform-style:preserve-3d;cursor:grab}
.item3 .ibox,.item3 .cab3,.item3 .cab3>div{position:absolute;left:0;top:0;transform-style:preserve-3d}
.item3 .ff{position:absolute;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.item3.sel .ff{outline:2px solid #2563EB;outline-offset:-1px}
.item3.clash .ibox .ff{box-shadow:inset 0 0 0 2000px rgba(255,45,85,.3)}
.item3 .lbl3{position:absolute;left:0;top:0;white-space:nowrap;background:#fff;color:var(--ink);font:600 12px/1 var(--f-head);padding:6px 9px;border-radius:999px;box-shadow:0 6px 16px -6px rgba(0,0,0,.35);pointer-events:none;opacity:0;transition:opacity .2s}
.item3 .lbl3 b{color:var(--red)}
.item3.sel .lbl3,.item3:hover .lbl3{opacity:1}

/* furniture boxes (3D) */
.fbox{position:absolute;transform-style:preserve-3d;cursor:pointer}
.fbox .ff{position:absolute;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid rgba(0,0,0,.12)}
.fbox .ff.top{display:grid;place-items:center;text-align:center;font:600 13px/1.2 var(--f-head);color:rgba(0,0,0,.62);overflow:hidden}
.fbox.sel .ff{outline:2px solid var(--red);outline-offset:-2px}
.fbox.ghost .ff{background:rgba(165,0,52,.18)!important;border:2px dashed var(--red)}
.floorlbl{position:absolute;font:600 12px/1 var(--f-head);color:rgba(0,0,0,.45);white-space:nowrap;display:grid;place-items:center;pointer-events:none;letter-spacing:.04em}
.rp-stage.drawing{cursor:crosshair}

/* popovers */
.pop{position:absolute;top:60px;left:12px;z-index:8;background:#fff;border-radius:16px;box-shadow:var(--sh-2);padding:14px;display:grid;gap:10px;width:min(320px,calc(100% - 24px))}
.pop.wide{width:min(460px,calc(100% - 24px))}
.pop .note{margin:0}
.dims3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.dims3 label{display:grid;gap:4px;font:500 12px var(--f-head);color:var(--mute)}
.dims3 input,.dims3 select{height:38px;border:1.5px solid var(--line);border-radius:10px;padding:0 8px;font:500 15px var(--f-head);width:100%;min-width:0;background:#fff}
.dims3 input:focus{outline:0;border-color:var(--red)}
.steps-mini{margin:0;padding-left:18px;font-size:13.5px;display:grid;gap:4px}
.pop .chips{flex-wrap:wrap;overflow:visible}

/* selbar inputs */
.selbar .dim-in{display:flex;gap:4px;align-items:center;font:500 11px var(--f-head);color:rgba(255,255,255,.7)}
.selbar .dim-in input{width:54px;height:32px;border-radius:8px;border:0;background:rgba(255,255,255,.14);color:#fff;font:600 13px var(--f-head);text-align:center}
.selbar .info{font:500 12px/1.25 var(--f-head);color:rgba(255,255,255,.75);padding:0 6px;max-width:220px}
.selbar .info b{color:#fff;display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.selbar .warn{color:#FF8FA8}

/* photo frame */
.pframe{position:absolute}
.pframe img{position:absolute;inset:0;width:100%;height:100%;display:block;user-select:none;-webkit-user-drag:none}
.pframe svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.pframe .item{position:absolute}
.calib-badge{position:absolute;right:12px;bottom:14px;z-index:4;background:rgba(20,20,20,.82);color:#fff;font:500 12px var(--f-head);padding:7px 10px;border-radius:10px}

@media (max-width:640px){
  .selbar{flex-wrap:wrap;justify-content:center;width:calc(100% - 16px);gap:6px}
  .selbar .info{flex-basis:100%;max-width:none;text-align:center;padding:2px 4px}
  .selbar .info b{white-space:normal}
}

/* summary */
.sum-list{display:grid;gap:8px}
.sum-row{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;padding:8px;border-radius:12px;background:var(--warm);font-size:13px}
.sum-row img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:8px;mix-blend-mode:multiply}
.sum-row b{font:600 13px/1.3 var(--f-head);display:block}
.sum-row .pp{font:700 14px var(--f-head);color:var(--red);text-align:right}
.sum-row .x2{border:0;background:none;color:var(--mute);font-size:12px;padding:0;text-decoration:underline}
.total{border-top:1px dashed var(--line);padding:14px 16px;display:grid;gap:6px}
.total .big{display:flex;justify-content:space-between;align-items:baseline;font:700 15px var(--f-head)}
.total .big b{font:800 28px/1 var(--f-head);color:var(--red)}
.total .note{margin:0}
.ctas{padding:0 16px 16px;display:grid;gap:8px}

/* modal */
.modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;background:rgba(10,10,12,.55);backdrop-filter:blur(4px);padding:16px}
.modal.on{display:grid}
.modal .form{width:min(440px,100%);max-height:92svh;overflow:auto}

/* mobile: stage + bottom sheet */
.tabs-m{display:none}
@media (max-width:980px){
  .rp-app{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}
  .rp-stage{grid-row:1}
  .panel{position:fixed;left:0;right:0;bottom:0;z-index:20;height:min(52svh,440px);border:0;border-radius:22px 22px 0 0;box-shadow:0 -20px 40px -20px rgba(0,0,0,.35);transform:translateY(calc(100% - 0px));transition:transform .35s var(--ease);padding-bottom:calc(58px + env(safe-area-inset-bottom))}
  .panel.open{transform:none}
  .tabs-m{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .tabs-m button{flex:1;height:44px;border-radius:12px;border:0;background:var(--warm);font:600 14px var(--f-head);color:var(--ink)}
  .tabs-m button.on{background:var(--ink);color:#fff}
  .tabs-m .tot{flex:1.3;background:var(--red);color:#fff}
  .rp-app{bottom:calc(60px + env(safe-area-inset-bottom))}
  .tb.top{top:8px;left:8px;right:8px}
  .tb button,.tb label.tbtn{padding:0 9px;font-size:12.5px}
  .hint{display:none}
  .selbar{bottom:12px}
  .rp .hdr .hdr-cta .btn-line{height:38px}
}