/* Mesh3DLab Insert Builder — dark theme.
   Charcoal base, Mesh3DLab brand-blue accent: #4a90e2 is the --brand
   blue from mesh3dlab.com's theme.css (dark shade #3a7bc8 = its
   --brand-dark; #80b1eb is a light tint of the brand blue). */
:root{
  --bg:#12100e;
  --bg2:#17140f;
  --panel:#1d1a16;
  --panel2:#242019;
  --line:#322c24;
  --line2:#453b2e;
  --ink:#f4efe7;
  --muted:#b3a693;
  --dim:#857a68;
  --heat:#4a90e2;
  --heat2:#80b1eb;
  --heat-deep:#3a7bc8;
  --ok:#5fd68a;
  --warn:#ffc44d;
  --bad:#ff6a55;
  --radius:14px;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Oswald","Archivo",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--heat);color:#1a1206}
a{color:var(--heat2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;margin:0}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.eyebrow{
  font-family:var(--font-display);letter-spacing:.22em;font-size:.78rem;
  text-transform:uppercase;color:var(--heat);font-weight:600;
}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  font-family:var(--font-display);font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;font-size:.92rem;
  padding:.8rem 1.5rem;border-radius:10px;border:1px solid transparent;
  transition:transform .08s ease, background .15s ease, border-color .15s;
}
.btn:active{transform:translateY(1px)}
.btn-heat{
  background:linear-gradient(180deg,var(--heat),var(--heat-deep));
  color:#fff;box-shadow:0 6px 24px rgba(74,144,226,.25);
}
.btn-heat:hover{text-decoration:none;filter:brightness(1.06)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--heat);text-decoration:none}
.btn-small{padding:.5rem .9rem;font-size:.8rem}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(18,16,14,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-head .wrap{display:flex;align-items:center;gap:2rem;height:66px}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .mark{flex:none}
.brand .word{font-family:var(--font-display);font-weight:700;font-size:1.28rem;letter-spacing:.04em}
.brand .word em{font-style:normal;color:var(--heat)}
.brand .sub{display:block;font-size:.62rem;letter-spacing:.3em;color:var(--muted);font-family:var(--font-display);font-weight:500;margin-top:-2px}
.main-nav{display:flex;gap:1.6rem;margin-left:auto;align-items:center}
.main-nav a{color:var(--muted);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--ink);text-decoration:none}
.main-nav a.on{color:var(--heat2)}
.admin-badge{
  display:none;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  color:#221503;background:var(--warn);border-radius:999px;padding:.2rem .6rem;
  text-transform:uppercase;
}
.admin-badge.show{display:inline-block}

/* ---------- hero / sections ---------- */
.hero{
  padding:5.2rem 0 4.2rem;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(74,144,226,.16),transparent 60%),
    radial-gradient(700px 380px at 8% 110%,rgba(74,144,226,.08),transparent 60%),
    linear-gradient(180deg,var(--bg2),var(--bg));
  border-bottom:1px solid var(--line);
}
.hero h1{
  font-size:clamp(2.5rem,5.6vw,4.3rem);font-weight:700;text-transform:uppercase;
  letter-spacing:.01em;max-width:16ch;margin:.7rem 0 1.1rem;
}
.hero h1 .hot{color:var(--heat)}
.hero p.lede{font-size:1.22rem;color:var(--muted);max-width:56ch;margin:0 0 2rem}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap}
.stat-row{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:2.6rem}
.stat{
  border:1px solid var(--line);background:var(--panel);border-radius:12px;
  padding:.65rem 1rem;font-size:.9rem;color:var(--muted);
}
.stat b{display:block;color:var(--ink);font-family:var(--font-display);font-size:1.25rem;letter-spacing:.03em}
section.band{padding:4.2rem 0;border-bottom:1px solid var(--line)}
section.band.alt{background:var(--bg2)}
.band h2{font-size:clamp(1.7rem,3.4vw,2.5rem);text-transform:uppercase;margin:.55rem 0 .6rem}
.band .sub{color:var(--muted);max-width:62ch;margin:0 0 2.2rem}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.4rem 1.3rem;
}
.step .num{
  font-family:var(--font-display);font-size:2rem;font-weight:700;color:transparent;
  -webkit-text-stroke:1.5px var(--heat);line-height:1;
}
.step h3{font-size:1.15rem;text-transform:uppercase;margin:.7rem 0 .45rem;letter-spacing:.03em}
.step p{color:var(--muted);margin:0;font-size:.96rem}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;
}
.card h3{font-size:1.3rem;text-transform:uppercase}
.card .tag{color:var(--heat);font-family:var(--font-display);letter-spacing:.14em;font-size:.75rem;text-transform:uppercase}
.card p{color:var(--muted)}
.pill{
  display:inline-block;border:1px solid var(--line2);border-radius:999px;
  padding:.28rem .8rem;font-size:.82rem;color:var(--muted);margin:.15rem .25rem .15rem 0;
}
.conf{display:inline-block;font-weight:700;font-size:.78rem;border-radius:6px;padding:.08rem .45rem;vertical-align:middle}
.conf-hi{background:rgba(95,214,138,.16);color:var(--ok)}
.conf-mid{background:rgba(255,196,77,.15);color:var(--warn)}
.conf-lo{background:rgba(255,106,85,.15);color:var(--bad)}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.faq .card h3{font-size:1.05rem;text-transform:none;font-family:var(--font-body);font-weight:700}
.price-big{font-family:var(--font-display);font-size:3rem;font-weight:700}
.price-big small{font-size:1rem;color:var(--muted);font-family:var(--font-body);font-weight:500}
footer.site-foot{padding:2.6rem 0 3rem;color:var(--dim);font-size:.88rem}
.foot-links{display:flex;gap:1.6rem;justify-content:center;font-weight:600}
.foot-links a{color:var(--heat2)}
footer.site-foot .wrap{display:flex;gap:2rem;flex-wrap:wrap;justify-content:space-between}

/* ---------- guide ---------- */
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem;margin:1.4rem 0}
.rule{
  display:flex;gap:.8rem;align-items:flex-start;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;padding:.95rem 1.05rem;
}
.rule .tick{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(95,214,138,.15);color:var(--ok);font-weight:800;font-size:.9rem;
}
.rule p{margin:0;font-size:.95rem}
.rule p b{color:var(--ink)}
.dodont{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.dd{border-radius:var(--radius);padding:1.2rem;border:1px solid var(--line);background:var(--panel)}
.dd .fig{
  height:120px;border-radius:10px;display:grid;place-items:center;margin-bottom:.9rem;
  background:#0d0b09;border:1px dashed var(--line2);
}
.dd h3{font-size:1rem;text-transform:uppercase}
.dd p{color:var(--muted);font-size:.92rem;margin:.3rem 0 0}
.dd.do{border-color:rgba(95,214,138,.45)}
.dd.do h3{color:var(--ok)}
.dd.dont{border-color:rgba(255,106,85,.4)}
.dd.dont h3{color:var(--bad)}
table.fix{width:100%;border-collapse:collapse;font-size:.95rem}
table.fix th,table.fix td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left;vertical-align:top}
table.fix th{background:var(--panel2);font-family:var(--font-display);letter-spacing:.05em;text-transform:uppercase;font-size:.8rem}
table.fix td{color:var(--muted)}
table.fix td:first-child{color:var(--ink);font-weight:600}

/* ---------- builder ---------- */
.builder-head{padding:1.6rem 0 1rem;border-bottom:1px solid var(--line);background:var(--bg2)}
.builder-head h1{font-size:1.7rem;text-transform:uppercase}
.builder-head p{color:var(--muted);margin:.3rem 0 0}
.builder-grid{
  display:grid;grid-template-columns:320px 1fr 300px;gap:1rem;
  max-width:1460px;margin:0 auto;padding:1rem 16px 2rem;align-items:start;
}
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1rem 1rem 1.1rem;margin-bottom:1rem;
}
.panel h2{
  font-size:.95rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 .8rem;
  display:flex;align-items:center;gap:.5rem;
}
.panel h2 .n{
  background:var(--heat);color:#fff;border-radius:6px;font-size:.78rem;
  width:20px;height:20px;display:grid;place-items:center;font-weight:700;flex:none;
}
.panel p.hint{color:var(--muted);font-size:.86rem;margin:.2rem 0 .7rem}
label.f{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin:.65rem 0 .3rem}
select.inp,input.inp{
  width:100%;background:#14110d;border:1px solid var(--line2);color:var(--ink);
  border-radius:9px;padding:.55rem .65rem;font-size:.95rem;font-family:var(--font-body);
}
select.inp:focus,input.inp:focus{outline:2px solid rgba(74,144,226,.5);border-color:var(--heat)}
/* Dropdown affordance (round 2): the native select arrow is
   invisible against the dark theme, so every select -- and the
   number field, which opens the autocomplete list -- carries
   the same drawn chevron. Background-only: never blocks taps
   or typing. */
select.inp,input.inp.dd-arrow{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'><path d='M1.5 1.5 7 7l5.5-5.5' fill='none' stroke='%23bfae94' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;
  background-position:right .7rem center;
  background-size:14px 9px;
  padding-right:2.1rem;
}
.row-flex{display:flex;gap:.5rem}
.row-flex>*{flex:1}
.btn-block{width:100%;justify-content:center;margin-top:.7rem}
.lib-list{max-height:330px;overflow:auto;display:flex;flex-direction:column;gap:.45rem;padding-right:.2rem}
.lib-item{
  display:flex;gap:.6rem;align-items:center;text-align:left;width:100%;cursor:pointer;
  background:#16130f;border:1px solid var(--line);border-radius:10px;padding:.45rem .55rem;color:var(--ink);
}
.lib-item:hover{border-color:var(--heat)}
.lib-item img{width:46px;height:46px;object-fit:cover;border-radius:7px;background:#0d0b09;flex:none}
.lib-item .ph{width:46px;height:46px;border-radius:7px;background:#0d0b09;display:grid;place-items:center;color:var(--dim);font-size:.62rem;flex:none;text-align:center}
.lib-item .tt{font-weight:700;font-size:.9rem;line-height:1.2}
.lib-item .ss{color:var(--muted);font-size:.76rem;line-height:1.25}
.lib-item .add{margin-left:auto;color:var(--heat);font-weight:800;font-size:1.15rem;flex:none}
.tabs{display:flex;background:#14110d;border:1px solid var(--line2);border-radius:10px;padding:3px;gap:3px}
.tabs button{
  flex:1;background:transparent;border:0;color:var(--muted);cursor:pointer;
  font-family:var(--font-display);font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  font-size:.8rem;padding:.45rem .3rem;border-radius:7px;
}
.tabs button.on{background:var(--heat);color:#fff}
.stage-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.8rem}
.stage-tools{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;margin-bottom:.6rem}
.stage-tools .blank-name{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em}
.stage-tools .spacer{flex:1}
svg#stage{width:100%;height:auto;display:block;background:#0d0b09;border-radius:10px;border:1px solid var(--line)}
svg#stage .blankfp{fill:#211c14;stroke:#6b5a3e;stroke-width:1.6}
svg#stage .gridln{stroke:#221e17;stroke-width:.6}
svg#stage .pocket{fill:rgba(74,144,226,.30);stroke:var(--heat);stroke-width:1.6;cursor:grab}
svg#stage .pocket:hover{fill:rgba(74,144,226,.42)}
svg#stage .item.sel .pocket{fill:rgba(128,177,235,.5);stroke:var(--heat2);stroke-width:2.2}
svg#stage .item.warn .pocket{stroke:var(--bad)}
svg#stage .bbox{fill:none;stroke:var(--heat2);stroke-width:1;stroke-dasharray:5 4;opacity:.75;pointer-events:none}
svg#stage text.ilab{
  fill:#d7e7f9;font-family:var(--font-body);font-size:11px;font-weight:700;
  paint-order:stroke;stroke:#0d0b09;stroke-width:3px;pointer-events:none;
}
.readout{font-size:.88rem;color:var(--muted)}
.readout .ri{display:flex;justify-content:space-between;gap:.6rem;padding:.32rem 0;border-bottom:1px dashed var(--line)}
.readout .ri:last-child{border-bottom:0}
.readout b{color:var(--ink)}
.clr-ok{color:var(--ok);font-weight:700}
.clr-tight{color:var(--warn);font-weight:700}
.clr-bad{color:var(--bad);font-weight:700}
.item-list{display:flex;flex-direction:column;gap:.45rem}
.layout-item{
  border:1px solid var(--line);border-radius:10px;padding:.5rem .6rem;background:#16130f;cursor:pointer;
}
.layout-item.sel{border-color:var(--heat)}
.layout-item .tt{font-weight:700;font-size:.9rem}
.layout-item .ss{color:var(--muted);font-size:.78rem}
.ctl-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.45rem}
.ctl-grid .inp{text-align:center}
.rot-row{display:flex;gap:.45rem;align-items:stretch}
.rot-row .inp{flex:1;text-align:center}
.rot-row .btn{padding:.5rem .8rem}
.check-line{display:flex;gap:.55rem;align-items:flex-start;font-size:.9rem;color:var(--muted);margin-top:.55rem}
.check-line input{margin-top:.25rem;accent-color:var(--heat);width:16px;height:16px}
.warn-box{
  border:1px solid rgba(255,196,77,.5);background:rgba(255,196,77,.08);
  border-radius:10px;padding:.65rem .8rem;font-size:.88rem;color:#ffe1a1;margin-top:.7rem;
}
.err-box{
  border:1px solid rgba(255,106,85,.5);background:rgba(255,106,85,.08);
  border-radius:10px;padding:.65rem .8rem;font-size:.88rem;color:#ffc4ba;margin-top:.7rem;
}
.ok-box{
  border:1px solid rgba(95,214,138,.5);background:rgba(95,214,138,.08);
  border-radius:10px;padding:.65rem .8rem;font-size:.88rem;color:#c9f4da;margin-top:.7rem;
}
.suggest{
  border:1px solid var(--line2);border-radius:10px;margin-top:.35rem;
  overflow:hidden;background:#17140f;
}
.suggest button{
  display:flex;justify-content:space-between;align-items:baseline;gap:.6rem;
  width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--line2);
  padding:.55rem .7rem;color:var(--ink);font-size:.92rem;cursor:pointer;
}
.suggest button:last-child{border-bottom:0}
.suggest button:active,.suggest button:hover{background:rgba(74,144,226,.12)}
.suggest .sg-num{font-weight:600}
.suggest .sg-brand{color:var(--muted);font-size:.8rem}
.suggest .sg-lib{color:#5fd48a;font-size:.78rem;font-weight:600;white-space:nowrap}
.trace-result img{border-radius:10px;border:1px solid var(--line2);width:100%}
.cal-box{position:relative;border:1px solid var(--line2);border-radius:10px;overflow:hidden;background:#0d0b09}
.cal-box img{width:100%;display:block}
.cal-box .dot{
  position:absolute;width:16px;height:16px;border-radius:50%;margin:-8px 0 0 -8px;
  background:var(--heat);border:2px solid #ffffff;pointer-events:none;
  font-size:.6rem;color:#fff;font-weight:800;display:grid;place-items:center;
}
.cal-box .bboxrect{position:absolute;border:2px dashed var(--heat2);pointer-events:none;background:rgba(74,144,226,.08)}

/* ---------- modal ---------- */
.modal-veil{
  position:fixed;inset:0;background:rgba(5,4,3,.72);display:none;
  align-items:center;justify-content:center;z-index:100;padding:1rem;
}
.modal-veil.show{display:flex}
.modal{
  background:var(--panel);border:1px solid var(--line2);border-radius:16px;
  max-width:480px;width:100%;padding:1.7rem;box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal h2{font-size:1.45rem;text-transform:uppercase;margin-bottom:.4rem}
.modal p{color:var(--muted)}
.modal .sum{border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem;margin:1rem 0;font-size:.92rem}
.modal .sum .ri{display:flex;justify-content:space-between;padding:.22rem 0}
.modal .x{float:right;background:none;border:0;color:var(--muted);font-size:1.3rem;cursor:pointer}

@media (max-width:1080px){
  .builder-grid{grid-template-columns:1fr}
  .steps,.cards,.dodont,.faq{grid-template-columns:1fr}
  .rules{grid-template-columns:1fr}
  .main-nav a:not(.btn){display:none}
}

/* ---------- phones (mobile-first: most users are on a phone) --- */
svg#stage{touch-action:none}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .site-head .wrap{gap:1rem;height:58px}
  .brand .word{font-size:1.08rem}
  .hero{padding:2.4rem 0 2.2rem}
  .hero p.lede{font-size:1.05rem}
  .hero h1{margin:.5rem 0 .8rem}
  section.band{padding:2.4rem 0}
  .builder-head{padding:1.1rem 0 .8rem}
  .builder-grid{padding:.7rem 10px 2rem;gap:.7rem}
  /* Canvas first on a phone: see the layout, then the controls. */
  .stage-panel{order:-1}
  .panel{padding:.85rem .85rem 1rem}
  /* Touch targets + no iOS focus zoom (inputs at 16px). */
  .btn{min-height:44px}
  .btn-small{min-height:40px}
  select.inp,input.inp{font-size:16px;padding:.62rem .6rem}
  .tabs button{padding:.62rem .3rem}
  .lib-item{padding:.55rem}
  .check-line input{width:20px;height:20px;flex:none}
  .rot-row .btn{flex:1;justify-content:center}
  .lib-list{max-height:300px}
  .stage-tools .readout:last-child{display:none}
  footer.site-foot .wrap{flex-direction:column;gap:.6rem}
}

/* ---- photo step (step 2) ---- */
.best-tip{border:1px solid rgba(74,144,226,.45);background:rgba(74,144,226,.10);border-radius:10px;padding:.6rem .8rem;font-size:.9rem}
.pair-tip{border:1px dashed var(--line2);border-radius:10px;padding:.55rem .8rem;font-size:.9rem;color:var(--muted)}
.pair-tip b{color:var(--ink)}
.ref-menu{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:.4rem 0 .8rem}
.ref-menu button{display:flex;align-items:center;gap:.55rem;text-align:left;background:#171410;border:1px solid var(--line2);border-radius:12px;padding:.55rem .6rem;cursor:pointer;color:var(--muted);min-height:52px}
.ref-menu button span{display:flex;flex-direction:column;line-height:1.25}
.ref-menu button b{color:var(--ink);font-size:.92rem}
.ref-menu button i{font-style:normal;font-size:.78rem}
.ref-menu button.on{border-color:var(--heat);background:rgba(74,144,226,.12)}
.checks{list-style:none;margin:.4rem 0;padding:0}
.checks li{position:relative;padding:.18rem 0 .18rem 1.4rem;color:var(--muted);font-size:.9rem}
.checks li::before{content:"✓";position:absolute;left:.2rem;color:var(--ok);font-weight:700}
.frame-guide{display:flex;gap:.7rem;align-items:center;border:1px solid var(--line);border-radius:10px;padding:.5rem .7rem;margin-top:.7rem;color:var(--muted);font-size:.86rem}
.cal-box{touch-action:none}
.cal-box .dot{display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:700;color:#08130c}
label.btn{cursor:pointer}
.quality{display:flex;gap:1rem;align-items:flex-start;border:1px solid var(--line2);border-radius:12px;padding:.7rem .9rem;margin-bottom:.6rem;background:#14110d}
.qscore{font-family:Oswald,sans-serif;font-size:3rem;line-height:1;font-weight:700;white-space:nowrap}
.qscore small{font-size:1.3rem}
.qbody{flex:1;font-size:.9rem}
.qrow{display:flex;align-items:center;gap:.5rem;margin-top:.3rem;color:var(--muted)}
.qrow>span:first-child{flex:0 0 46%}
.qbar{flex:1;height:8px;border-radius:5px;background:#262019;overflow:hidden}
.qbar i{display:block;height:100%;border-radius:5px}
.qnote{color:var(--muted);margin-top:.35rem}
.result-frame{border:3px solid var(--heat);border-radius:12px;overflow:hidden}
.result-frame img{border-radius:8px;border:0;width:100%;display:block}
#photoPreview{border:3px solid transparent;transition:border-color .3s}

/* ---- paths + camera modal ---- */
.path-cards{display:flex;gap:.7rem;margin-top:1rem}
.path-card{flex:1;text-align:left;background:#171410;border:1px solid var(--line2);border-radius:14px;padding:.9rem 1rem;cursor:pointer;color:var(--muted)}
.path-card b{display:block;color:var(--ink);font-family:Oswald,sans-serif;font-size:1.05rem;letter-spacing:.02em;margin-bottom:.3rem}
.path-card span{font-size:.88rem;line-height:1.35;display:block}
.path-card.on{border-color:var(--heat);background:rgba(74,144,226,.10)}
@media (max-width:640px){.path-cards{flex-direction:column}}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem}
.modal.cam-modal{max-width:560px;width:94vw}
.cam-wrap{position:relative;border-radius:12px;overflow:hidden;background:#000}
.cam-wrap video{width:100%;display:block}
.cam-frame{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);pointer-events:none}
.cam-level{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);background:rgba(10,8,6,.78);border:1.5px solid var(--heat);border-radius:999px;padding:.25rem .8rem;font-weight:700;font-size:.95rem}
.rec-badge{background:#fff;color:var(--heat-deep);border-radius:999px;font-size:.68rem;font-weight:700;padding:.1rem .5rem;margin-left:.35rem;vertical-align:middle;text-transform:uppercase;letter-spacing:.04em}
.modal.walk-modal{max-width:480px;width:94vw}
.walk-steps{margin:.8rem 0 1rem;padding-left:1.5rem}
.walk-steps li{font-size:1.06rem;line-height:1.45;color:var(--ink);padding:.3rem 0}
.walk-steps li::marker{color:var(--heat);font-weight:700}

/* ---- photo popup bubble level (guidance only, never a gate) ---- */
.lvl-box{display:flex;flex-direction:column;align-items:center;margin:.9rem 0 .1rem}
.lvl-ring{
  position:relative;width:96px;height:96px;flex:none;border-radius:50%;
  border:2px solid var(--line2);cursor:pointer;
  background:radial-gradient(circle at 50% 42%,#26221b,#171410 72%);
}
.lvl-ring::before,.lvl-ring::after{content:"";position:absolute;background:rgba(244,239,231,.14)}
.lvl-ring::before{left:50%;top:6px;bottom:6px;width:1px}
.lvl-ring::after{top:50%;left:6px;right:6px;height:1px}
.lvl-box.ok .lvl-ring{border-color:var(--ok);box-shadow:0 0 0 3px rgba(95,214,138,.16),0 0 18px rgba(95,214,138,.22)}
.lvl-target{
  position:absolute;left:50%;top:50%;width:32px;height:32px;
  transform:translate(-50%,-50%);border:1.5px solid rgba(244,239,231,.35);border-radius:50%;
}
.lvl-box.ok .lvl-target{border-color:var(--ok)}
.lvl-bubble{
  position:absolute;left:50%;top:50%;width:26px;height:26px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle at 35% 32%,#cfe4fb,var(--heat) 65%,var(--heat-deep));
  box-shadow:inset 0 0 4px rgba(255,255,255,.5),0 2px 6px rgba(0,0,0,.45);
  transition:left .07s linear,top .07s linear;
}
.lvl-box.ok .lvl-bubble{background:radial-gradient(circle at 35% 32%,#e2f9ec,var(--ok) 65%,#2f9e5f)}
.lvl-label{margin:.45rem 0 0;font-size:.9rem;font-weight:600;color:var(--muted)}
.lvl-box.ok .lvl-label{color:var(--ok)}
.lvl-deg{color:var(--ink);font-weight:700}
.lvl-box.ok .lvl-deg{color:var(--ok)}

/* ---- in-app camera screen ---- */
.cam-screen{position:fixed;inset:0;background:#000;z-index:120;display:none}
.cam-screen.show{display:block}
.cam-screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cam-screen .cam-frame{
  inset:11% 7%;width:auto;height:auto;
  border:2px solid rgba(244,239,231,.55);border-radius:14px;
}
.cam-x{
  position:absolute;top:.8rem;right:.8rem;width:42px;height:42px;z-index:3;
  border-radius:50%;border:1px solid rgba(244,239,231,.35);cursor:pointer;
  background:rgba(10,8,6,.62);color:#fff;font-size:1.05rem;line-height:1;
}
.cam-lvl{position:absolute;left:50%;bottom:8.2rem;transform:translateX(-50%);margin:0;z-index:2}
.cam-lvl .lvl-label{
  background:rgba(10,8,6,.62);border-radius:999px;padding:.18rem .7rem;color:#e8e2d6;
}
.cam-bar{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.2rem calc(1rem + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.55));
}
.cam-shutter{
  width:72px;height:72px;flex:none;border-radius:50%;cursor:pointer;
  border:4px solid #fff;background:rgba(255,255,255,.22);
}
.cam-shutter:active{background:rgba(255,255,255,.5)}
.cam-upload{
  background:none;border:0;color:#fff;font-weight:600;font-size:.95rem;
  cursor:pointer;padding:.6rem .4rem;min-width:72px;text-align:left;flex:none;
}
.cam-spacer{width:72px;flex:none}

/* ---- Add to Home Screen sheet (PARKED for the login screen;
   styled and ready, rendered only by ibA2hsInit in app.js) ---- */
.a2hs-sheet{
  position:fixed;left:50%;transform:translateX(-50%);bottom:1rem;z-index:130;
  width:min(430px,calc(100vw - 2rem));
  background:var(--panel);border:1px solid var(--line2);border-radius:16px;
  padding:1.1rem 1.2rem 1.2rem;box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.a2hs-sheet h3{font-size:1.15rem;text-transform:uppercase;margin:0 2rem .3rem 0}
.a2hs-line{color:var(--muted);font-size:.92rem;margin:0 0 .4rem}
.a2hs-ios{color:var(--ink);font-size:.95rem;margin:.2rem 0 .4rem}
.a2hs-share{vertical-align:-2px;color:var(--heat2)}
.a2hs-x{
  position:absolute;top:.55rem;right:.7rem;background:none;border:0;
  color:var(--muted);font-size:1.15rem;cursor:pointer;line-height:1;
}
.a2hs-btns{display:flex;gap:.55rem;margin-top:.7rem}
.a2hs-btns .btn{flex:1;justify-content:center}

/* ---- simple builder (Nov 4, 2026 redesign) ---- */
.builder-simple{max-width:640px}
.builder-simple .panel{margin-bottom:1rem}
.analyzing{border:1px dashed var(--line2);border-radius:12px;padding:2.2rem 1rem;text-align:center;color:var(--muted)}
.analyzing .spin{width:34px;height:34px;margin:0 auto .7rem;border-radius:50%;border:4px solid var(--line2);border-top-color:var(--heat);animation:ibspin 0.9s linear infinite}
@keyframes ibspin{to{transform:rotate(360deg)}}
.analyzing p{font-weight:600;letter-spacing:.02em}
.result-frame{border:4px solid var(--line2);border-radius:12px;overflow:hidden}
.result-frame img{width:100%;display:block}
.seg{display:flex;border:1px solid var(--line2);border-radius:10px;overflow:hidden}
.seg button{flex:1;background:#171410;color:var(--muted);border:0;padding:.6rem .4rem;font-weight:600;cursor:pointer;font-size:.95rem}
.seg button.on{background:var(--heat);color:#fff}
label.chk{display:flex;align-items:center;gap:.5rem;margin-top:.6rem;font-size:.95rem;color:var(--ink);cursor:pointer}
label.chk input{width:1.1rem;height:1.1rem;accent-color:var(--heat)}