/* Layout: a working tool. Settings column on the left, 3D stage and material list on the right; stacks on phones. */
:root{
  --bg:#EDF0EE; --surface:#FFFFFF; --fg:#1D2321; --muted:#5B6560; --line:#D3D9D6;
  --accent:#8A5A33; --accent-fg:#FFFFFF; --danger:#B42318; --scene:#E4E7E5; --dim:#D9480F;
  --font-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#141816; --surface:#1C211F; --fg:#E5E9E7; --muted:#9BA4A0; --line:#2C3330; --accent:#D09B67; --accent-fg:#1A1210; --danger:#F97066; --scene:#1A1E1C; color-scheme:dark}}
:root[data-theme="dark"]{--bg:#141816; --surface:#1C211F; --fg:#E5E9E7; --muted:#9BA4A0; --line:#2C3330; --accent:#D09B67; --accent-fg:#1A1210; --danger:#F97066; --scene:#1A1E1C; color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:15px;line-height:1.5}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
h1{font-size:1.5rem;font-weight:600;margin:0;text-wrap:balance}
h2{font-size:1rem;font-weight:600;margin:0 0 8px}
.top{display:flex;justify-content:space-between;align-items:center;padding-inline:16px;padding-block:12px;border-bottom:1px solid var(--line);background:var(--surface)}
.brand{font-weight:600;color:var(--fg);text-decoration:none;letter-spacing:-.01em}
.who{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.9rem;min-width:0}
.who span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wrap{max-width:1000px;margin:0 auto;padding-inline:16px;padding-block:24px;display:grid;gap:16px}
.narrow{max-width:460px}
.lede{color:var(--muted);margin:0}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:grid;gap:8px}
label{font-size:.85rem;color:var(--muted)}
input,select{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;min-width:0}
input:focus-visible,select:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn{font:inherit;font-size:.9rem;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--fg);cursor:pointer;text-align:center}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.danger{color:var(--danger)}
.link{font:inherit;background:none;border:0;color:var(--accent);cursor:pointer;padding:0}
.err{color:var(--danger);font-size:.85rem;margin:0;min-height:1.2em}
.tabs{display:flex;gap:6px;margin-bottom:8px}
.tab{font:inherit;flex:1;padding:8px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--muted);cursor:pointer}
.tab[aria-selected="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid;cursor:pointer;text-align:left;font:inherit;color:var(--fg);padding:0}
.pcard .thumb{aspect-ratio:4/3;background:var(--scene) center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.85rem}
.pcard .meta{padding:10px 12px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.pcard b{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pcard small{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{color:var(--muted)}

.editor{display:grid;grid-template-columns:minmax(280px,340px) 1fr;min-height:calc(100vh - 54px)}
.side{background:var(--surface);border-right:1px solid var(--line);padding-inline:16px;padding-block:14px;display:grid;gap:12px;align-content:start;overflow:auto;max-height:calc(100vh - 54px)}
.pname{font-size:1.1rem;font-weight:600;background:transparent;border-color:transparent;padding-left:0}
.pname:hover,.pname:focus{border-color:var(--line);padding-left:8px}
.saved{font-size:.8rem;color:var(--muted)}
.photo{display:grid;gap:8px}
.photoBox{aspect-ratio:4/3;border-radius:10px;border:1px dashed var(--line);background:var(--bg) center/contain no-repeat;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.85rem}
fieldset{border:1px solid var(--line);border-radius:10px;padding:10px 12px 12px;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 10px}
legend{font-weight:600;font-size:.9rem;padding:0 4px}
.f{display:grid;gap:3px;min-width:0}
.f.full{grid-column:1/-1}
.f .u{position:relative}
.f .u input{padding-right:34px}
.f .u span{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:.75rem;color:var(--muted)}
.chk{grid-column:1/-1;display:flex;gap:8px;align-items:center;color:var(--fg);font-size:.9rem}
.chk input{width:auto}
.sw{display:flex;gap:6px;flex-wrap:wrap;grid-column:1/-1}
.sw button{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);cursor:pointer;padding:0}
.sw button[aria-pressed="true"]{border-color:var(--fg);box-shadow:0 0 0 2px var(--bg) inset}

.stagecol{display:grid;gap:12px;padding:14px 16px;align-content:start;min-width:0}
.bar{display:flex;gap:6px;flex-wrap:wrap}
.bar button{font:inherit;font-size:.82rem;padding:6px 11px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--fg);cursor:pointer}
.bar button[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.stage{position:relative;height:min(62vh,600px);min-height:320px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--scene)}
#c{display:block;width:100%;height:100%;touch-action:none}
.hint{position:absolute;left:10px;bottom:8px;font-size:.75rem;color:var(--muted);background:var(--surface);padding:3px 8px;border-radius:6px}
.labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.lbl{position:absolute;display:none;transform:translate(-50%,-50%);font:500 11px/1.3 var(--font-mono);font-variant-numeric:tabular-nums;background:var(--surface);color:var(--fg);border:1px solid var(--dim);padding:1px 5px;border-radius:4px;white-space:nowrap}
.warn{background:var(--surface);border:1px solid var(--danger);color:var(--danger);border-radius:10px;padding:8px 12px;font-size:.88rem}
.mats{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.mats table{width:100%;border-collapse:collapse;font-size:.9rem}
.mats td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
.mats td:last-child{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:12px}
.mats td small{display:block;color:var(--muted)}
.note{color:var(--muted);font-size:.8rem;margin:8px 0 0}
/* mode tabs + guide */
.modes{display:flex;gap:6px;max-width:420px}
.pane{display:grid;gap:12px;min-width:0}
.guide{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;gap:14px}
.ghead h2{margin:0}
.gprog{margin:0;color:var(--muted);font-size:.88rem}
.gfig{margin:0;display:grid;gap:6px}
.gfig figcaption{color:var(--muted);font-size:.8rem}
.elev{width:100%;height:auto;max-height:70vh;background:var(--bg);border-radius:10px}
.elev .e-wall{fill:var(--bg)}
.elev .e-linen{fill:#C9C0B2;opacity:.45}
.elev .e-flute{fill:#6B5444;opacity:.45}
.elev .e-stud{fill:#7E878F}
.elev .e-ply{stroke:#2F6FD0;stroke-width:.6;stroke-dasharray:3 2;fill:none}
.elev .e-cut{fill:none;stroke:var(--danger);stroke-width:.8}
.elev .e-plate{fill:#2a2a2c;opacity:.8}
.elev .e-tv{fill:none;stroke:var(--fg);stroke-width:.5;stroke-dasharray:1.5 1.5}
.elev .e-item{fill:var(--surface);stroke:var(--muted);stroke-width:.5}
.elev .e-out{fill:#E8752A}
.elev .e-mark{stroke:var(--danger);stroke-width:.6}
.elev .e-t{fill:var(--fg);font-family:var(--font-mono)}
.elev .e-mid{text-anchor:middle}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.step{border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:grid;gap:8px}
.step.is-done{opacity:.6}
.step p{margin:0}
.step ul{margin:0;padding-left:1.2em;display:grid;gap:4px}
.shead{display:flex;gap:10px;align-items:center}
.shead input{width:20px;height:20px;flex:none;accent-color:var(--accent)}
.shead label{font-size:1rem;font-weight:600;color:var(--fg);display:flex;gap:8px;align-items:center;cursor:pointer}
.snum{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--fg);color:var(--bg);font-size:.8rem;font-variant-numeric:tabular-nums;flex:none}
.tw{overflow-x:auto}
.step table{border-collapse:collapse;font-size:.88rem;min-width:100%}
.step th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;border-bottom:1px solid var(--line);padding:4px 10px 4px 0;white-space:nowrap}
.step td{border-bottom:1px solid var(--line);padding:5px 10px 5px 0;font-variant-numeric:tabular-nums;vertical-align:top}
.step td:not(:first-child){font-family:var(--font-mono);font-size:.84rem}
/* privacy notice, footer, account deletion */
.doc{max-width:720px;gap:0}
.doc article{display:grid;gap:10px}
.doc h2{margin:18px 0 0}
.doc p,.doc ul{margin:0}
.doc ul{padding-left:20px;display:grid;gap:6px}
.doc hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.doc article{scroll-margin-top:16px}
a{color:var(--accent)}
.langs{display:flex;gap:14px;font-size:.9rem}
.foot{padding-inline:16px;padding-block:20px;text-align:center;font-size:.85rem;color:var(--muted)}
.consent{font-size:.8rem;color:var(--muted);margin:4px 0 0}
.guestTry{display:grid;gap:4px;justify-items:center;text-align:center}
.guestbar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin-bottom:10px;font-size:.88rem;color:var(--muted)}
.dz{margin-top:24px;border-top:1px solid var(--line);padding-top:12px;color:var(--muted);font-size:.9rem}
.dz summary{cursor:pointer;width:max-content}
.dz .card{margin-top:10px;max-width:420px}
/* welcome, guided setup */
.center{justify-content:center}
.btn.big{font-size:1rem;padding:12px 22px}
.welcome{max-width:1000px;gap:28px}
.hero{display:grid;gap:14px;text-align:center;justify-items:center;padding-block:24px 4px}
.hero h1{font-size:clamp(1.7rem,4.5vw,2.6rem);line-height:1.15;max-width:18em;letter-spacing:-.02em}
.hero .lede{max-width:36em;font-size:1.05rem}
.how{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;counter-reset:how}
.how li{counter-increment:how;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:2px;grid-template-columns:auto 1fr;column-gap:12px}
.how li::before{content:counter(how);grid-row:span 2;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--fg);color:var(--bg);font-weight:600}
.how span{color:var(--muted);font-size:.9rem}
.looks{display:grid;gap:10px}
.styles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.scard{font:inherit;color:var(--fg);text-align:left;background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:0 0 12px;overflow:hidden;display:grid;gap:2px;cursor:pointer}
.scard b,.scard small{padding-inline:12px}
.scard small{color:var(--muted);font-size:.82rem}
.scard b{margin-top:8px}
.scard[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
.mini{position:relative;display:block;aspect-ratio:3/2;--tvx:50%;--cab:#EEE9E1;background-color:#ccc;overflow:hidden}
.mini img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}
.mini::before{content:"";position:absolute;left:calc(var(--tvx) - 22%);width:44%;top:22%;height:37%;background:#111316;border-radius:2px;box-shadow:0 0 14px 4px rgba(255,201,112,.35)}
.mini::after{content:"";position:absolute;left:calc(var(--tvx) - 28%);width:56%;bottom:13%;height:9%;background:var(--cab);border-radius:1px;box-shadow:0 3px 6px rgba(0,0,0,.25)}
.mini-flute{background:repeating-linear-gradient(90deg,#3E3027 0 6px,#5B4738 6px 9px);--cab:#2E241E}
.mini-marble{background:linear-gradient(118deg,transparent 38%,rgba(110,110,115,.35) 39.5%,transparent 41%),linear-gradient(62deg,transparent 62%,rgba(110,110,115,.25) 63%,transparent 64.5%),repeating-linear-gradient(90deg,transparent 0 calc(33.33% - 1px),rgba(0,0,0,.12) calc(33.33% - 1px) 33.33%),#ECE9E4}
.mini-mixed{background:repeating-linear-gradient(90deg,#3E3027 0 6px,#5B4738 6px 9px) right/34% 100% no-repeat,repeating-linear-gradient(90deg,transparent 0 calc(50% - 1px),rgba(0,0,0,.25) calc(50% - 1px) 50%) left/66% 100% no-repeat,#C2B8AA;--tvx:33%}
.mini-sides{background:repeating-linear-gradient(90deg,#3E3027 0 6px,#5B4738 6px 9px) left/15% 100% no-repeat,repeating-linear-gradient(90deg,#3E3027 0 6px,#5B4738 6px 9px) right/15% 100% no-repeat,#C2B8AA;--cab:#3E3027}
.mini-concrete{background:radial-gradient(rgba(0,0,0,.08) 1px,transparent 1.5px) 0 0/7px 7px,repeating-linear-gradient(90deg,transparent 0 calc(33.33% - 2px),#141414 calc(33.33% - 2px) 33.33%),#9A9893;--cab:#1C1C1C}

.wiz{display:grid;grid-template-columns:minmax(320px,500px) 1fr;min-height:calc(100vh - 54px)}
.wizq{background:var(--surface);border-right:1px solid var(--line);padding:18px 24px 0;display:grid;gap:14px;align-content:start}
.wizhead{display:grid;gap:6px}
.wizhead h1{font-size:1.45rem;letter-spacing:-.01em}
.prog{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:.82rem;white-space:nowrap}
.progbar{flex:1;height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.progbar span{display:block;height:100%;background:var(--accent);transition:width .3s}
.wizbody{display:grid;gap:12px}
.stack{display:grid;gap:12px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.q{margin:4px 0 0;font-weight:600}
.hintx{color:var(--muted);font-size:.82rem;display:block}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}
.choice{font:inherit;color:var(--fg);text-align:left;background:var(--bg);border:2px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:2px;cursor:pointer}
.choice small{color:var(--muted);font-size:.8rem}
.choice[aria-pressed="true"]{border-color:var(--accent);background:var(--surface)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips .choice,.chip{font:inherit;color:var(--fg);background:var(--bg);border:2px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;display:inline-flex}
.chip[aria-pressed="true"],.chips .choice[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.swl{display:flex;flex-wrap:wrap;gap:8px}
.swl .chip{align-items:center;gap:8px;padding:6px 14px 6px 6px;font-size:.88rem}
.swd{width:24px;height:24px;border-radius:50%;border:1px solid rgba(0,0,0,.15);flex:none}
.more summary{cursor:pointer;color:var(--accent);font-size:.88rem;margin-bottom:8px}
.item{border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:10px}
.item h2{margin:0}
.wiznav{position:sticky;bottom:0;display:flex;justify-content:space-between;gap:10px;padding:14px 0 18px;background:var(--surface);border-top:1px solid var(--line);margin-top:4px}
.wiznav .btn{min-width:110px;padding:11px 18px;font-size:.95rem}
.wizprev{padding:16px;position:sticky;top:0;height:calc(100vh - 54px)}
.wizprev .stage{height:100%;min-height:0}
.wizpic{height:100%;display:grid;gap:12px;align-content:center}
.wizpic .mini{border-radius:14px}
.wizpic p{margin:0;color:var(--muted)}
.wizpic p b{color:var(--fg)}
.pm{position:relative;user-select:none;-webkit-user-select:none;border-radius:10px;overflow:hidden;cursor:crosshair;touch-action:manipulation;background:var(--bg)}
.pm.box{touch-action:none}
.pm img{display:block;width:100%;height:auto;pointer-events:none}
.pm svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.pm-wall{fill:rgba(217,72,15,.12);stroke:#D9480F;stroke-width:2;vector-effect:non-scaling-stroke}
.pm-item{fill:rgba(47,111,208,.25);stroke:#2F6FD0;stroke-width:2;vector-effect:non-scaling-stroke}
.pm .dot{position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;background:#D9480F;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.4);pointer-events:none}
.fine{border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.fine summary{cursor:pointer;font-weight:600;font-size:.9rem}
.fine[open] summary{margin-bottom:10px}
.fine form{display:grid;gap:12px}
@media (max-width:820px){
  .wiz{grid-template-columns:1fr}
  .wizprev{order:-1;height:34vh;min-height:220px;padding:8px 12px;z-index:3;background:var(--bg);border-bottom:1px solid var(--line)}
  .wizprev .hint{display:none}
  .wiz.nolive .wizprev{display:none}
  .wizq{border-right:0;padding:14px 16px 0}
  .two{grid-template-columns:1fr}
}
@media print{
  body{background:#fff;color:#000}
  .top,.side,.modes,#designPane,#printGuide,.foot,.guestbar{display:none!important}
  .editor{display:block}
  .stagecol{padding:0}
  .guide{border:0;padding:0}
  #guidePane{display:grid!important}
  .step{break-inside:avoid}
  .shead input{display:none}
  .elev{max-height:none}
}
@media (max-width:820px){
  .editor{grid-template-columns:1fr}
  .side{max-height:none;border-right:0;border-bottom:1px solid var(--line);order:2}
  .stagecol{order:1}
  .stage{height:58vh}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}