@font-face{font-family:"Inter";font-weight:100 900;font-display:swap;src:url(/fonts/inter.woff2) format("woff2")}
:root{
  --ink:#1d1d1f;--ink-2:#424245;--muted:#6e6e73;--line:#d2d2d7;--line-soft:#e8e8ed;--bg:#f5f5f7;--white:#fff;
  --navy:#0a2342;--blue:#0066cc;--ok:#1d8a4e;--err:#d70015;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif;
  --display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.28,.11,.32,1);
  --bar:84px;--panel:400px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:15px/1.47 var(--font);letter-spacing:-.01em;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit;letter-spacing:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
[hidden]{display:none!important}
.hp{position:absolute;left:-9999px}

.bar{position:relative;z-index:5;height:calc(var(--bar) + env(safe-area-inset-top,0px));padding:env(safe-area-inset-top,0px) 16px 0;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.8);backdrop-filter:saturate(1.8) blur(20px);-webkit-backdrop-filter:saturate(1.8) blur(20px);border-bottom:1px solid var(--line-soft)}
.brand img{height:72px;width:auto;display:block}
.bar-title{font-weight:600;font-size:14px;color:var(--ink)}
.bar-tools{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{width:34px;height:34px;display:grid;place-items:center;border:0;border-radius:50%;background:transparent;color:var(--ink);transition:background .2s}
.icon-btn:hover:not(:disabled){background:var(--bg)}
.icon-btn:disabled{opacity:.3;cursor:default}
.icon-btn svg{width:18px;height:18px}
.lang{display:flex;background:var(--bg);border-radius:999px;padding:2px}
.lang a{padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--muted);text-decoration:none}
.lang a[aria-current=true]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.bar-link{font-size:13px;color:var(--blue);text-decoration:none;padding:0 6px}
.bar-link:hover{text-decoration:underline}
@media (max-width:720px){.bar-title,.bar-link{display:none}}

.app{height:calc(100% - var(--bar) - env(safe-area-inset-top,0px));display:grid;grid-template-columns:1fr var(--panel)}
.stage{position:relative;overflow:hidden;background:linear-gradient(180deg,#eef1f5 0%,#f5f5f7 60%)}
#stage{display:block;width:100%;height:100%;touch-action:none;outline:none}
#labels{position:absolute;inset:0;pointer-events:none}
.dim-label{padding:4px 10px;border-radius:999px;background:rgba(29,29,31,.78);color:#fff;font-size:12px;font-weight:600;white-space:nowrap;backdrop-filter:blur(6px)}
.loader{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:14px;color:var(--muted);font-size:13px;background:var(--bg);transition:opacity .6s var(--ease)}
.loader span{width:28px;height:28px;border-radius:50%;border:2.5px solid var(--line);border-top-color:var(--ink);animation:rot .9s linear infinite}
.loader.done{opacity:0;pointer-events:none}
@keyframes rot{to{transform:rotate(360deg)}}

.hud{position:absolute;z-index:2;display:flex;gap:8px;align-items:center}
.top-left{top:16px;left:16px}
.top-right{top:16px;right:16px}
.bottom{left:50%;bottom:20px;transform:translateX(-50%);background:rgba(255,255,255,.72);backdrop-filter:saturate(1.8) blur(20px);-webkit-backdrop-filter:saturate(1.8) blur(20px);border-radius:999px;padding:5px;box-shadow:0 8px 30px rgba(0,0,0,.08);max-width:calc(100% - 24px);overflow-x:auto;scrollbar-width:none}
.bottom::-webkit-scrollbar{display:none}
.dims{font:600 13px var(--font);padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.tool{flex:none;display:flex;align-items:center;gap:7px;border:0;background:transparent;border-radius:999px;padding:8px 13px;font-size:13px;font-weight:500;color:var(--ink);transition:background .2s,color .2s}
.tool svg{width:17px;height:17px;flex:none}
.tool:hover{background:rgba(0,0,0,.05)}
.tool[aria-pressed=true]{background:var(--ink);color:#fff}
.tool.accent{background:var(--blue);color:#fff}
.tool.accent:hover{background:#0077ed}
@media (max-width:1320px){.tool span{display:none}.tool.accent span{display:inline}}
.hint{position:absolute;left:0;right:0;bottom:74px;margin:0;text-align:center;font-size:12px;color:var(--muted);pointer-events:none;transition:opacity 1s}
.hint.gone{opacity:0}
.toast{position:absolute;left:50%;top:18px;transform:translate(-50%,-20px);opacity:0;padding:10px 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;font-weight:500;transition:all .4s var(--ease);pointer-events:none;z-index:3}
.toast.show{opacity:1;transform:translate(-50%,0)}

.seg{display:inline-flex;background:var(--bg);border-radius:10px;padding:2px;gap:2px}
.seg.glass{background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:999px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.seg button{border:0;background:transparent;padding:6px 12px;border-radius:8px;font-size:13px;font-weight:500;color:var(--ink-2);transition:all .25s var(--ease)}
.seg.glass button{border-radius:999px}
.seg button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.14)}
.seg.glass button[aria-pressed=true]{background:var(--ink);color:#fff}
.seg.small button{padding:5px 10px;font-size:12.5px}

/* Panel */
.panel{display:flex;flex-direction:column;min-height:0;background:#fff;border-left:1px solid var(--line-soft)}
.steps{display:flex;gap:2px;padding:12px 12px 0;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--line-soft)}
.steps::-webkit-scrollbar{display:none}
.steps button{flex:none;display:flex;align-items:center;gap:6px;border:0;background:none;padding:10px 10px 12px;font-size:13px;font-weight:500;color:var(--muted);position:relative;transition:color .2s}
.steps b{font-weight:600;font-size:11px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:var(--bg);color:var(--muted);transition:all .25s}
.steps button[aria-selected=true]{color:var(--ink)}
.steps button[aria-selected=true] b{background:var(--ink);color:#fff}
.steps button::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:var(--ink);transform:scaleX(0);transition:transform .35s var(--ease)}
.steps button[aria-selected=true]::after{transform:scaleX(1)}
.panes{flex:1;overflow-y:auto;padding:24px 24px 28px;overscroll-behavior:contain}
.pane{animation:paneIn .5s var(--ease)}
@keyframes paneIn{from{opacity:0;transform:translateY(8px)}}
.pane h2{font:600 24px/1.15 var(--display);letter-spacing:-.022em;margin:0 0 6px}
.pane h3{font-size:14px;font-weight:600;margin:24px 0 10px;display:flex;justify-content:space-between;align-items:baseline}
.sub{color:var(--muted);margin:0 0 20px;font-size:14px}
.fine{color:var(--muted);font-size:12px;margin:12px 0 0}
.fine a{color:var(--blue)}
.note{margin:14px 0 0;padding:10px 14px;border-radius:12px;background:#fff8e6;color:#8a5a00;font-size:13px}
.picked{font-weight:400;color:var(--muted);font-size:13px}

.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.type{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;padding:16px;border-radius:16px;border:1.5px solid var(--line);background:#fff;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.type:hover{border-color:#86868b}
.type:active{transform:scale(.98)}
.type svg{width:56px;height:38px;color:var(--ink);margin-bottom:6px}
.type strong{font-size:15px;font-weight:600}
.type small{color:var(--muted);font-size:12.5px}
.type[aria-pressed=true]{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
.type:last-child:nth-child(odd){grid-column:span 2}

.range{margin-bottom:18px}
.range-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.range-head label{font-weight:600;font-size:14px}
.range-head output{font:600 20px var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.range-row{display:flex;align-items:center;gap:10px}
.step-btn{flex:none;width:32px;height:32px;border-radius:50%;border:0;background:var(--bg);font-size:18px;line-height:1;color:var(--ink);transition:background .2s}
.step-btn:hover{background:var(--line-soft)}
input[type=range]{flex:1;-webkit-appearance:none;appearance:none;height:28px;background:transparent;--p:50%}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ink) var(--p),var(--line) var(--p))}
input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:var(--line)}
input[type=range]::-moz-range-progress{height:4px;border-radius:4px;background:var(--ink)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-10px;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.08),0 3px 8px rgba(0,0,0,.2);transition:transform .15s}
input[type=range]:active::-webkit-slider-thumb{transform:scale(1.12)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.08),0 3px 8px rgba(0,0,0,.2)}

.roof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.roof-grid button{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 8px 12px;border-radius:14px;border:1.5px solid var(--line);background:#fff;text-align:center;transition:border-color .2s,box-shadow .2s}
.roof-grid button:hover{border-color:#86868b}
.roof-grid svg{width:54px;height:30px;color:var(--ink)}
.roof-grid strong{font-size:13px;font-weight:600}
.roof-grid small{font-size:11px;color:var(--muted);line-height:1.3}
.roof-grid button[aria-pressed=true]{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}

.swatch-row{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.swatch-row button{aspect-ratio:1;border-radius:50%;border:0;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);position:relative;transition:transform .2s var(--ease)}
.swatch-row button:hover{transform:scale(1.08)}
.swatch-row button[aria-pressed=true]{box-shadow:inset 0 0 0 1px rgba(0,0,0,.12),0 0 0 2px #fff,0 0 0 4px var(--blue)}
.switch{display:flex;align-items:center;gap:12px;margin:24px 0 12px;font-weight:600;font-size:14px;cursor:pointer}
.switch input{position:absolute;opacity:0}
.switch span{flex:none;width:44px;height:26px;border-radius:999px;background:var(--line);position:relative;transition:background .25s}
.switch span::after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.2);transition:transform .25s var(--ease)}
.switch input:checked+span{background:#34c759}
.switch input:checked+span::after{transform:translateX(18px)}
.switch input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}

.wall-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line-soft)}
.wall-row>span{font-size:14px;font-weight:500}
.quick{display:flex;gap:8px;margin-top:14px}
.chip{border:0;background:var(--bg);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--blue)}
.chip:hover{background:var(--line-soft)}
[data-base]{display:flex}
[data-base] button{flex:1}

.counter{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.counter strong{display:block;font-size:14px;font-weight:600}
.counter small{color:var(--muted);font-size:12.5px}
.stepper{display:flex;align-items:center;gap:4px}
.stepper button{width:32px;height:32px;border-radius:50%;border:0;background:var(--bg);font-size:18px;line-height:1;transition:background .2s}
.stepper button:hover:not(:disabled){background:var(--line-soft)}
.stepper button:disabled{opacity:.3;cursor:default}
.stepper output{min-width:28px;text-align:center;font-weight:600;font-variant-numeric:tabular-nums}
.select{display:grid;gap:6px;padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:14px;font-weight:600}
.select select{padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:400}

.spec,.breakdown{list-style:none;margin:0;padding:0}
.spec li,.breakdown li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.spec li span:first-child,.breakdown li span:first-child{color:var(--muted)}
.spec li span:last-child{text-align:right;font-weight:500}
.breakdown li span:last-child{font-variant-numeric:tabular-nums;font-weight:500}
.breakdown li.total{border-bottom:0;font-weight:600;font-size:16px}
.breakdown li.total span{color:var(--ink)!important}
.summary-actions{display:grid;gap:10px;margin-top:22px}

.pricebar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px calc(14px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-soft);background:rgba(255,255,255,.9);backdrop-filter:blur(20px)}
.pricebar .fine{margin:0}
.price{font:600 26px/1.1 var(--display);letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.pricebar-actions{display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:9px 18px;border-radius:999px;border:0;background:var(--bg);color:var(--ink);font-size:14px;font-weight:500;text-decoration:none;transition:background .2s,transform .15s}
.btn:hover{background:var(--line-soft)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:#0077ed}
.btn:disabled{opacity:.5;cursor:default}

/* Dialogs */
dialog{border:0;padding:0;border-radius:22px;width:min(760px,calc(100vw - 24px));max-height:calc(100dvh - 24px);box-shadow:0 30px 80px rgba(0,0,0,.25);color:var(--ink)}
dialog::backdrop{background:rgba(0,0,0,.35);backdrop-filter:blur(4px)}
dialog[open]{animation:dlg .4s var(--ease)}
@keyframes dlg{from{opacity:0;transform:translateY(16px) scale(.98)}}
.dialog{display:flex;flex-direction:column;max-height:calc(100dvh - 24px)}
.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:20px 22px 0}
.dialog-head h2{font:600 22px var(--display);letter-spacing:-.02em;margin:0}
.dialog-body{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:18px 22px;overflow-y:auto}
.dialog-body.single{grid-template-columns:1fr}
.dialog-body p{margin:0 0 12px}
@media (max-width:640px){.dialog-body{grid-template-columns:1fr}}
.shot{width:100%;border-radius:14px;background:var(--bg);aspect-ratio:4/3;object-fit:cover}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fields label{display:grid;gap:5px;font-size:13px;font-weight:600}
.fields .full{grid-column:1/-1}
.fields input,.fields textarea,.copy-field{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:400;transition:border-color .2s,box-shadow .2s}
.fields input:focus,.fields textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,102,204,.15)}
@media (max-width:480px){.fields{grid-template-columns:1fr}}
.form-msg{min-height:1.2em;margin:12px 0 0;font-size:14px;font-weight:500}
.form-msg.ok{color:var(--ok)}
.form-msg.bad{color:var(--err)}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px calc(18px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-soft)}

/* Mobile */
@media (max-width:900px){
  body{overflow:auto}
  .app{display:flex;flex-direction:column;height:auto;min-height:calc(100dvh - var(--bar))}
  .stage{height:52vh;min-height:300px;flex:none;position:sticky;top:0;z-index:1}
  .panel{border-left:0;border-top:1px solid var(--line-soft);position:relative;z-index:2;border-radius:20px 20px 0 0;margin-top:-16px;box-shadow:0 -8px 24px rgba(0,0,0,.06)}
  .panes{overflow:visible;padding:20px 18px 24px}
  .steps{position:sticky;top:0;background:#fff;z-index:3;border-radius:20px 20px 0 0}
  .pricebar{position:sticky;bottom:0;z-index:4}
  .hint{display:none}
  .bottom{bottom:28px}
  .top-right{top:12px;right:12px}.top-left{top:12px;left:12px}
  .seg.glass button{padding:5px 10px;font-size:12px}
  #next{display:none}
}

/* Render mode (used to produce product shots) */
.render .bar,.render .panel,.render .hud,.render .hint,.render .toast{display:none!important}
.render .app{grid-template-columns:1fr;height:100%}
.render .stage{background:transparent}
@media (max-width:720px){:root{--bar:70px}.brand img{height:58px}}