:root{
  /* chrome */
  --ink:#1D2A32; --muted:#5E6D76;
  --bg:#F3F5F6; --panel:#FFFFFF; --line:#E3E7EA; --line2:#CBD3D9; --hover:#F0F3F5;
  --accent:#0891b2; --accent-ink:#0e7490; --accent-soft:#e0f5fa; --brand-ink:#0f2530;
  --danger:#C0323D; --danger-line:#EDCDD1; --danger-soft:#FBEEEF;
  /* canvas (technical-drawing look — do not modernize) */
  --draw-ink:#1F2A22; --vellum:#ECEDE5; --lawn:#A9C295; --water:#5FB4C9; --red:#D81E5B;
  --disp:'Barlow Condensed','Arial Narrow','Helvetica Neue',sans-serif;
  --body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--body);font-size:13px;color:var(--ink);background:var(--bg);display:grid;grid-template-rows:46px 1fr;overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;touch-action:manipulation}
input,select{font:inherit;color:inherit;touch-action:manipulation}
kbd{font-family:var(--mono);font-size:10px;border:1px solid var(--line2);border-bottom-width:2px;border-radius:3px;padding:0 4px;background:#fff}

/* ---------- top bar ---------- */
.bar{display:flex;align-items:center;gap:6px;padding:0 10px;background:var(--panel);border-bottom:1px solid var(--line);white-space:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.bar::-webkit-scrollbar{display:none}
/* Waterline lockup (design_handoff_logo_2a): icon ~1.85x the wordmark size, gap ~0.57em */
.brand{display:flex;align-items:center;gap:8px;margin-right:6px}
.brand .mark{width:27px;height:27px;flex:none}
.brand .mark svg{width:27px;height:27px;display:block}
.brand .t{font-weight:600;font-size:14.5px;letter-spacing:-.02em;font-family:'Sora',var(--body);color:var(--brand-ink)}
.name{border:1px solid transparent;border-radius:6px;background:transparent;padding:4px 8px;min-width:120px;width:180px;font-weight:500}
.name:hover{border-color:var(--line2)}
.name:focus{outline:none;border-color:var(--accent)}
.sep{width:1px;height:22px;background:var(--line);margin:0 4px;flex:none}
.btn{height:30px;padding:0 9px;border:1px solid transparent;border-radius:7px;display:inline-flex;align-items:center;gap:6px;color:var(--ink);flex:none}
.btn:hover{background:var(--hover)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.btn:disabled{opacity:.35;cursor:default;background:none;border-color:transparent}
.btn.on{background:var(--accent-soft);color:var(--accent-ink)}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.btn .k{font-family:var(--mono);font-size:10px;opacity:.55}
.btn.primary{background:var(--accent);color:#fff;font-weight:500}
.btn.primary:hover{background:var(--accent-ink)}
.btn.primary:disabled{opacity:.45;background:var(--accent)}
.btn.cta{border:1px solid var(--accent);color:var(--accent-ink);font-weight:500}
.btn.cta:hover{background:var(--accent-soft)}
.btn.wide{width:100%;justify-content:center}
.zoom{font-family:var(--mono);font-size:11px;min-width:44px;text-align:center}
.status{font-family:var(--mono);font-size:10px;color:var(--muted);margin-left:auto;padding-right:6px}
.menu{position:relative}
.menu .dd{display:none;position:fixed;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 32px rgba(16,24,32,.14);padding:6px;min-width:190px;z-index:40}
.menu.open .dd{display:block}
.dd button{display:flex;width:100%;text-align:left;padding:7px 10px;border-radius:6px;gap:8px}
.dd button:hover{background:var(--hover)}
.dd .h{text-transform:uppercase;letter-spacing:.07em;font-size:10.5px;font-weight:600;color:var(--muted);padding:6px 10px 2px}
.dd button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.dd button.on{background:var(--accent-soft);color:var(--accent-ink)}
.dd .ddname{padding:4px 6px 8px}
.dd .ddname .name{width:100%;border-color:var(--line2)}
.nameslot{display:contents}
#mobMenu{display:none}

/* ---------- main grid ---------- */
main{display:grid;grid-template-columns:252px 1fr 272px;min-height:0}
aside{background:var(--panel);overflow-y:auto;overflow-x:hidden;min-height:0}
.palette{border-right:1px solid var(--line)}
.inspector{border-left:1px solid var(--line);padding:12px 12px 24px}
.eyebrow{text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600;color:var(--muted)}

/* palette */
.search{position:sticky;top:0;background:var(--panel);padding:10px 10px 8px;z-index:2;border-bottom:1px solid var(--line)}
.search input{width:100%;height:32px;border:1px solid var(--line2);border-radius:7px;padding:0 10px;background:#fff}
.search input:focus{outline:2px solid var(--accent);outline-offset:-1px}
.cat{border-bottom:1px solid var(--line)}
.cat > .hd{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 12px 8px;text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600;color:var(--ink)}
.cat > .hd .c{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:0}
.cat > .hd::before{content:'';width:6px;height:6px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);margin-right:8px;transition:transform .15s}
.cat.closed > .hd::before{transform:rotate(-45deg)}
.cat.closed .cards{display:none}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:0 6px 10px}
.card{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 3px 5px;border:1px solid transparent;border-radius:7px;cursor:grab;user-select:none;-webkit-user-select:none;touch-action:pan-y}
.card:hover,.card:focus-visible{background:var(--hover);border-color:var(--line);outline:none}
.card:active{cursor:grabbing}
.card svg{width:64px;height:46px;overflow:visible}
.card .n{font-size:10.5px;line-height:1.15;text-align:center;font-weight:500}
.card .dm{font-family:var(--mono);font-size:9.5px;color:var(--muted)}
.card.hide,.cat.hide{display:none}
.ghost{position:fixed;pointer-events:none;z-index:50;width:80px;height:60px;opacity:.85;filter:drop-shadow(0 6px 10px rgba(0,0,0,.25))}
.ghost svg{width:100%;height:100%;overflow:visible}

/* stage */
.stage{position:relative;overflow:hidden;background:var(--vellum);min-width:0}
#stage{display:block;width:100%;height:100%;touch-action:none;user-select:none;-webkit-user-select:none}
#stage.hand{cursor:grab}#stage.panning{cursor:grabbing}#stage.measure{cursor:crosshair}
.item{cursor:move}.item.locked{cursor:default}
.item *,.ic *,.overlay-item *{vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}
.handle{cursor:crosshair}
.handle[data-h="rot"]{cursor:alias}
.tb{position:absolute;right:14px;bottom:14px;background:rgba(247,247,241,.96);border:1.5px solid var(--draw-ink);padding:0;min-width:210px;pointer-events:none;font-size:11px;color:var(--draw-ink)}
.tb .top{padding:7px 10px 6px;border-bottom:1px solid var(--draw-ink);display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.tb .top b{font-family:var(--disp);font-size:16px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.tb .top span{font-family:var(--disp);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.tb .row{display:flex;justify-content:space-between;padding:3px 10px;border-bottom:1px solid var(--line)}
.tb .row:last-child{border-bottom:0}
.tb .row .l{color:var(--muted);letter-spacing:.02em}
.tb .row .v{font-family:var(--mono);font-size:11px}
.compass{position:absolute;right:14px;top:12px;width:44px;height:44px;pointer-events:none}
.hint{position:absolute;left:12px;bottom:12px;background:rgba(247,247,241,.9);border:1px solid var(--line2);border-radius:6px;padding:5px 9px;font-size:11px;color:var(--muted);pointer-events:none;max-width:60%}
.hint kbd{margin:0 1px}
.toast{position:absolute;left:50%;top:12px;transform:translateX(-50%);background:#16232B;color:#fff;padding:6px 12px;border-radius:7px;font-size:12px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
.zoomctl{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(16,24,32,.08)}
.zoomctl button{width:30px;height:30px;font-size:16px;line-height:1}
.zoomctl button:hover{background:var(--hover)}
.zoomctl button+button{border-top:1px solid var(--line)}

/* inspector */
.sec{margin-bottom:16px}
.sec .eyebrow{margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.f{display:flex;flex-direction:column;gap:3px}
.f label{font-size:10.5px;color:var(--muted)}
.f input[type=number],.f input[type=text],.f select{height:30px;border:1px solid var(--line2);border-radius:6px;padding:0 8px;background:#fff;width:100%;font-family:var(--mono);font-size:12px}
.f input[type=text]{font-family:var(--body)}
.f input[type=color]{height:30px}
.f .stepper{display:flex;align-items:stretch}
.f .stepper input{flex:1;min-width:0}
.f .stepper .stp{display:none}
.grab{display:none}
.f input:focus,.f select:focus{outline:2px solid var(--accent);outline-offset:-1px}
.tog{display:flex;align-items:center;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.tog:last-child{border-bottom:0}
.sw{position:relative;width:34px;height:20px;border-radius:10px;background:var(--line2);transition:background .15s;flex:none}
.sw::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.sw.on{background:var(--accent)}.sw.on::after{left:16px}
.swatches{display:grid;grid-template-columns:repeat(9,1fr);gap:5px}
.swatch{width:100%;aspect-ratio:1;border-radius:4px;border:1px solid rgba(0,0,0,.15);cursor:pointer;padding:0}
.swatch.on{outline:2px solid var(--accent);outline-offset:1px}
.acts{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.acts .btn{border:1px solid var(--line2);justify-content:center;background:#fff;height:32px}
.acts .btn:hover{background:var(--hover)}
.acts .btn.danger{color:var(--danger);border-color:var(--danger-line)}
.acts .btn.danger:hover{background:var(--danger-soft)}
.acts .btn.wide{grid-column:1 / -1}
.title-i{font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.2}
.sub-i{color:var(--muted);font-size:11.5px;margin-top:2px}
.list{border:1px solid var(--line);border-radius:7px;background:#fff;max-height:260px;overflow:auto}
.list button{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);font-size:12px}
.list button:last-child{border-bottom:0}
.list button:hover{background:var(--hover)}
.list button.on{background:var(--accent-soft)}
.list .dot{width:10px;height:10px;border-radius:2px;border:1px solid rgba(0,0,0,.2);flex:none}
.list .m{font-family:var(--mono);font-size:10px;color:var(--muted);margin-left:auto}
.empty{color:var(--muted);font-size:12px;padding:10px;border:1px dashed var(--line2);border-radius:7px;text-align:center}
.help{position:absolute;inset:0;background:rgba(16,24,32,.4);display:none;place-items:center;z-index:30}
.help.open{display:grid}
.help .box{background:#fff;border-radius:12px;padding:18px 20px;width:min(520px,92vw);max-height:80vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.help h2{font-weight:600;font-size:16px;letter-spacing:-.01em;margin:0 0 6px}
.help p{margin:6px 0 10px;color:var(--muted)}
.help table{width:100%;border-collapse:collapse;font-size:12.5px}
.help td{padding:5px 4px;border-bottom:1px solid var(--line)}
.help td:first-child{width:130px}
.help .cl{float:right;padding:4px 10px;border:1px solid var(--line2);border-radius:6px}
.help .cl:hover{background:var(--hover)}

/* lead-capture modals */
.modal{position:fixed;inset:0;background:rgba(16,24,32,.45);display:none;place-items:center;z-index:60;padding:16px}
.modal.open{display:grid}
.mbox{position:relative;background:#fff;border-radius:12px;box-shadow:0 24px 64px rgba(0,0,0,.3);width:min(430px,94vw);max-height:92vh;overflow:auto;padding:20px 22px}
.mbox h3{margin:0 0 4px;font-size:17px;padding-right:28px}
.mclose{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:6px;font-size:18px;color:var(--muted)}
.mclose:hover{background:var(--hover)}
.dots{display:flex;gap:6px;margin:10px 0 14px}
.dots span{width:22px;height:4px;border-radius:2px;background:var(--line2)}
.dots span.on{background:var(--accent)}
.mrow{margin-bottom:12px}
.mrow .lbl{font-size:11px;color:var(--muted);margin-bottom:5px}
.opts{display:flex;gap:6px;flex-wrap:wrap}
.opt{border:1px solid var(--line2);border-radius:7px;padding:7px 11px;font-size:12.5px;background:#fff}
.opt.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink);font-weight:500}
.mbox input[type=email],.mbox input[type=text],.mbox input[type=tel]{height:34px;border:1px solid var(--line2);border-radius:7px;padding:0 10px;background:#fff;width:100%;font:inherit}
.mbox input:focus{outline:2px solid var(--accent);outline-offset:-1px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:#37444D;background:var(--hover);border:1px solid var(--line);border-radius:8px;padding:10px;margin:12px 0 0}
.consent input{margin-top:2px;flex:none;width:15px;height:15px;accent-color:var(--accent)}
.mnav{display:flex;justify-content:space-between;gap:10px;margin-top:14px}
.mnav .btn{height:34px}
.fine{font-size:12px;color:var(--muted);margin:4px 0 12px}
.mstatus{font-size:12.5px;margin-top:10px;color:var(--muted);min-height:16px}
.mstatus.err{color:var(--danger)}
.qm-done{text-align:center;padding:18px 6px}
.qm-done .big{font-size:36px;margin-bottom:8px}
.qm-done h4{margin:0 0 8px;font-size:16px}
.qm-done p{margin:0;color:var(--muted);font-size:13px}
.hp{position:absolute;left:-5000px;top:-5000px;opacity:0}
.mbox a,.fine a{color:var(--accent-ink)}

/* mobile bottom bar + sheets (activated in the media query) */
.mbar{display:none;align-items:stretch;background:var(--panel);border-top:1px solid var(--line);z-index:48;min-height:54px;padding-bottom:env(safe-area-inset-bottom)}
.mbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:500;color:var(--muted);padding:6px 0 4px}
.mbar button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mbar button.on{color:var(--accent-ink)}
.sheet-scrim{display:none;position:fixed;inset:0;background:rgba(16,24,32,.28);z-index:44}
.selbar{display:none}
.mhint{display:none}
.m-only{display:none}

@media (max-width:920px){
  body{grid-template-rows:56px 1fr auto;height:100dvh}
  main{grid-template-columns:1fr;grid-template-rows:1fr}
  .stage{min-height:0}
  .mbar{display:flex;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
  /* toolbar: brand · Undo · Redo · hamburger · Download — everything else lives in the
     hamburger or the Edit sheet. Must fit without scrolling at 360px. */
  .bar > .tool,.bar .pref,.bar .sep,#quoteBtn,.status,#helpBtn{display:none}
  .brand .t{display:none}
  .bar{gap:8px;padding-left:calc(10px + env(safe-area-inset-left));padding-right:calc(10px + env(safe-area-inset-right))}
  .bar .btn{height:44px;min-width:44px;justify-content:center}
  #undo{margin-left:auto}
  #mobMenu{display:block}
  #mobMenu .dd{min-width:250px}
  #mobMenu .dd button{padding:11px 10px}
  /* palette + inspector become bottom sheets over the full-height stage */
  .palette,.inspector{position:fixed;left:0;right:0;top:auto;bottom:calc(54px + env(safe-area-inset-bottom));height:min(62vh,540px);max-height:min(62vh,540px);border:0;border-top:1px solid var(--line);border-radius:14px 14px 0 0;box-shadow:0 -14px 44px rgba(16,24,32,.28);transform:translateY(110%);transition:transform .25s;z-index:46}
  .palette.open,.inspector.open{transform:translateY(0)}
  .palette{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
  .inspector{padding-left:calc(12px + env(safe-area-inset-left));padding-right:calc(12px + env(safe-area-inset-right))}
  /* sheets scroll inside their body so the grab handle stays put; drag it down to dismiss */
  .palette,.inspector{overflow:hidden;display:flex;flex-direction:column}
  .palette #cats,.inspector .ibody{overflow-y:auto;flex:1;min-height:0;overscroll-behavior:contain}
  .grab{display:block;flex:none;padding:9px 0 7px;touch-action:none;cursor:grab}
  .grab::before{content:'';display:block;width:44px;height:5px;border-radius:3px;background:var(--line2);margin:0 auto}
  /* inputs: 16px stops iOS focus-zoom; 44px rows; steppers appear */
  .f input[type=number],.f input[type=text],.f select{height:44px;font-size:16px}
  .f input[type=color]{height:44px}
  .search input{height:44px;font-size:16px}
  .mbox input[type=email],.mbox input[type=text],.mbox input[type=tel]{height:44px;font-size:16px}
  .dd .ddname .name{font-size:16px;height:40px}
  .ibody .row3{grid-template-columns:1fr}
  .f .stepper .stp{display:flex;align-items:center;justify-content:center;width:44px;flex:none;border:1px solid var(--line2);background:#fff;font-size:20px;color:var(--ink)}
  .f .stepper .stp:first-child{border-radius:6px 0 0 6px;border-right:0}
  .f .stepper .stp:last-child{border-radius:0 6px 6px 0;border-left:0}
  .f .stepper input{border-radius:0;text-align:center}
  .f .stepper input::-webkit-outer-spin-button,.f .stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
  .sheet-scrim.on{display:block}
  .tb,.compass,.hint{display:none}
  .cards{grid-template-columns:repeat(4,1fr)}
  .m-only{display:block}
  /* contextual actions for the current selection, one thumb-row above the tab bar */
  .selbar{position:fixed;left:0;right:0;bottom:calc(54px + env(safe-area-inset-bottom));z-index:45;background:var(--panel);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(16,24,32,.08);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
  .selbar.show{display:flex}
  .selbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:500;color:var(--ink);padding:8px 0 7px;min-height:52px}
  .selbar button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .selbar #sb-del{color:var(--danger)}
  .selbar.locked button:not(#sb-edit){opacity:.35;pointer-events:none}
  /* first-run guidance on an empty canvas */
  .mhint.show{display:block;position:fixed;left:50%;transform:translateX(-50%);bottom:calc(70px + env(safe-area-inset-bottom));z-index:43;background:#16232B;color:#fff;padding:11px 16px;border-radius:10px;font-size:13.5px;box-shadow:0 6px 20px rgba(0,0,0,.25);pointer-events:none;white-space:nowrap}
  /* secondary controls up to 44px effective targets */
  .cat > .hd{padding:13px 12px}
  .zoomctl button{width:44px;height:44px;font-size:18px}
  .swatches{grid-template-columns:repeat(7,1fr)}
  .tog{padding:10px 0}
  .sw::before{content:'';position:absolute;inset:-12px -14px} /* 44px effective target; small inset keeps adjacent rows distinct */
  .mclose{width:36px;height:36px;font-size:20px}
  .mclose::after{content:'';position:absolute;inset:-8px}
  .list button{padding:12px 8px}
  .acts .btn{height:44px}
  .opt{padding:11px 14px}
  .mnav .btn{height:44px}
  .mbox .btn{height:44px}
  #mobMenu .dd button{padding:12px 10px}
}
/* satellite background — address modal, imagery credit, re-center banner (SATELLITE.md P1) */
.adwrap{position:relative}
.adlist{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--line2);border-radius:8px;box-shadow:0 10px 26px rgba(29,42,50,.16);z-index:30;overflow:hidden}
.adrow{display:block;width:100%;text-align:left;padding:10px 12px;font-size:13px;border:0;background:#fff;cursor:pointer;color:var(--ink)}
.adrow:hover,.adrow.on{background:var(--accent-soft);color:var(--accent-ink)}
.adalts{display:flex;gap:8px;margin-top:12px;justify-content:center;flex-wrap:wrap}
.imgcredit{position:absolute;left:12px;bottom:46px;background:rgba(247,247,241,.88);border:1px solid var(--line2);border-radius:5px;padding:2px 8px;font-family:var(--mono);font-size:10px;color:var(--muted);pointer-events:none;z-index:3}
.bgconfirm{position:absolute;top:12px;left:50%;transform:translateX(-50%);display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line2);border-radius:9px;box-shadow:0 8px 24px rgba(29,42,50,.16);padding:8px 8px 8px 14px;font-size:13px;z-index:6;max-width:min(92vw,480px)}
.bgconfirm .btn{height:32px}
@media (max-width:920px){
  #addrBtn{display:none}
  .imgcredit{bottom:calc(76px + env(safe-area-inset-bottom))}
  .bgconfirm{top:54px;width:max-content}
  .bgconfirm .btn{height:40px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.bar,.palette,.inspector,.hint,.zoomctl,.toast,.imgcredit,.bgconfirm{display:none!important}main{display:block}.stage{height:100vh}}