:root{
  --ground:#F1EDE5; --raised:#FAF8F3; --sunk:#E7E1D6;
  --ink:#1B1712; --ink-2:#4A4038; --mute:#6B6259;
  --brass:#9C7B45; --brass-text:#7F6233; --brass-soft:rgba(156,123,69,.14);
  --line:rgba(27,23,18,.12); --line-strong:rgba(27,23,18,.22);
  --shell:rgba(27,23,18,.05); --glass:rgba(250,248,243,.78);
  --warn:#A0502A; --warn-soft:rgba(160,80,40,.12); --ok:#3E6B4A; --ok-soft:rgba(62,107,74,.12);
  --shadow:0 30px 80px -30px rgba(40,28,14,.28), 0 8px 24px -12px rgba(40,28,14,.12);
  --ease:cubic-bezier(.32,.72,0,1);
  --ff-display:"Fraunces",Georgia,serif; --ff-body:"Instrument Sans",-apple-system,system-ui,sans-serif; --ff-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--ff-body);font-size:15.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--ff-display);font-weight:400;letter-spacing:-.015em;text-wrap:balance}
p{margin:0}
.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.display-l{font-size:clamp(34px,4.4vw,56px);line-height:1.02;font-weight:300;font-variation-settings:"opsz" 144}
.display-m{font-size:clamp(26px,2.8vw,36px);line-height:1.1}
.display-s{font-size:22px;line-height:1.2}
em.b{font-style:italic;font-weight:300;color:var(--brass)}
.lede{font-size:17px;color:var(--ink-2);max-width:62ch}
.mono{font-family:var(--ff-mono);font-size:11.5px;letter-spacing:.06em;color:var(--mute);font-variant-numeric:tabular-nums}
.muted{color:var(--mute)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--shell)}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brass)}
.tag{display:inline-block;font-family:var(--ff-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:6px 10px;border-radius:999px;background:var(--brass-soft);color:var(--brass-text);white-space:nowrap}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.ink{background:var(--ink);color:var(--ground)}

.nav{position:sticky;top:0;z-index:20;padding:14px 0;display:flex;justify-content:center;pointer-events:none}
.nav-pill{pointer-events:auto;display:flex;align-items:center;gap:8px;padding:6px 6px 6px 18px;border-radius:999px;background:var(--glass);backdrop-filter:blur(18px) saturate(1.2);border:1px solid var(--line);box-shadow:0 10px 40px -18px rgba(40,28,14,.35)}
.wordmark{display:flex;flex-direction:column;line-height:1;margin-right:12px;font-family:var(--ff-display)}
.wordmark b{font-weight:500;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase}
.wordmark small{font-family:var(--ff-mono);font-size:8.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--brass-text);margin-top:4px}
.nav-pill .sep{width:1px;height:22px;background:var(--line)}
.nav-pill .crumb{font-size:13.5px;color:var(--ink-2);padding:0 8px}

.btn{display:inline-flex;align-items:center;gap:12px;padding:6px 6px 6px 18px;border-radius:999px;font-size:13.5px;font-weight:500;transition:transform .6s var(--ease),background .6s var(--ease),opacity .4s}
.btn .ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;transition:transform .6s var(--ease)}
.btn .ico svg{width:13px;height:13px}
.btn:hover .ico{transform:translate(2px,-1px) scale(1.06)}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.5;pointer-events:none}
.tog[disabled]{opacity:.4;pointer-events:none}
.btn-ink{background:var(--ink);color:var(--ground)}.btn-ink .ico{background:rgba(255,255,255,.14)}
.btn-brass{background:var(--brass-text);color:#fff}.btn-brass .ico{background:rgba(255,255,255,.18)}
.btn-ghost{border:1px solid var(--line-strong)}.btn-ghost .ico{background:var(--shell)}.btn-ghost:hover{background:var(--shell)}
.btn.sm{padding:4px 4px 4px 14px;font-size:12.5px}.btn.sm .ico{width:24px;height:24px}

.panel{background:var(--shell);border:1px solid var(--line);border-radius:26px;padding:8px}
.panel>.core{background:var(--raised);border-radius:18px;box-shadow:inset 0 1px 1px rgba(255,255,255,.4);height:100%}
.core.pad{padding:clamp(20px,2.4vw,30px)}

.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label,.field .label{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--raised);border:1px solid var(--line);border-radius:14px;padding:13px 15px;outline:none;transition:border-color .5s var(--ease),box-shadow .5s var(--ease);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass);box-shadow:0 0 0 4px var(--brass-soft)}
.field textarea{min-height:110px;resize:vertical}
.field .hint{font-size:12px;color:var(--mute)}
.toggles{display:flex;flex-wrap:wrap;gap:8px}
.tog{padding:8px 13px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:background .5s var(--ease),color .5s var(--ease),border-color .5s var(--ease)}
.tog[aria-pressed="true"]{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.upload{grid-column:1/-1;border:1px dashed var(--line-strong);border-radius:14px;padding:16px;display:flex;align-items:center;gap:14px;background:var(--shell);cursor:pointer;position:relative}
.upload input{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload .glyph{width:40px;height:40px;border-radius:12px;background:var(--brass-soft);display:grid;place-items:center;color:var(--brass);flex:none}
.upload .glyph svg{width:18px;height:18px}
.upload b{display:block;font-size:14px;font-weight:500}.upload span{font-size:12.5px;color:var(--mute)}
.upload img{width:56px;height:56px;object-fit:cover;border-radius:10px;margin-left:auto;border:1px solid var(--line)}

.plan{padding:20px;background:var(--sunk);position:relative;border-radius:14px;overflow:hidden;--u:1}
.plan .levels{display:flex;flex-direction:column;gap:18px;max-width:980px;margin-inline:auto}
.plan svg{width:100%;height:auto;display:block;overflow:visible}
.plan .floor{fill:var(--raised)}
.plan .floor.wet{fill:#EDE6DA}
.plan .void{fill:none}
.plan .grid line{stroke:var(--ink);stroke-width:calc(var(--u)*.4px);opacity:.07}
.plan .wall{stroke:var(--ink);stroke-width:calc(var(--u)*2.6px);stroke-linecap:square;fill:none}
.plan .wall.ext{stroke-width:calc(var(--u)*5px)}
.plan .soft{stroke:var(--ink);stroke-width:calc(var(--u)*.7px);stroke-dasharray:calc(var(--u)*4px) calc(var(--u)*4px);opacity:.35}
.plan .gap{stroke:var(--raised);stroke-width:calc(var(--u)*2.9px);stroke-linecap:butt}
.plan .gap.ext{stroke-width:calc(var(--u)*5.4px)}
.plan .jamb{stroke:var(--ink);stroke-width:calc(var(--u)*1.3px)}
.plan .leaf{stroke:var(--ink);stroke-width:calc(var(--u)*1.2px)}
.plan .swing{fill:none;stroke:var(--ink);stroke-width:calc(var(--u)*.6px);opacity:.45}
.plan .win{stroke:var(--brass);stroke-width:calc(var(--u)*1.2px)}
.plan .winframe{stroke:var(--ink);stroke-width:calc(var(--u)*.7px)}
.plan .arrow{fill:var(--brass)}
.plan .tread{stroke:var(--ink);stroke-width:calc(var(--u)*.5px);opacity:.3}
.plan .plate{fill:var(--raised)}
.plan .dimline{stroke:var(--mute);stroke-width:calc(var(--u)*.6px)}
.plan text{font-family:var(--ff-mono);letter-spacing:.05em;fill:var(--ink)}
.plan text.name{font-family:var(--ff-display);font-style:italic;letter-spacing:0}
.plan text.dim{fill:var(--mute)}
.plan text.cap{fill:var(--mute);letter-spacing:.14em}
.plan text.street{fill:var(--brass-text)}
.plan text.lvl{font-family:var(--ff-display);font-style:italic;letter-spacing:0}
.plan .key circle{fill:var(--raised);stroke:var(--ink);stroke-width:calc(var(--u)*.7px)}
.plan .key text{letter-spacing:0}
.plan-key{margin:14px 0 0;padding:0 0 0 22px;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:4px 18px;font-size:12.5px;color:var(--ink-2)}
.plan-key span{font-family:var(--ff-mono);font-size:11px;color:var(--mute);margin-left:4px}
.plan .stamp{position:absolute;right:18px;top:16px;font-family:var(--ff-mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);border:1px solid var(--line-strong);padding:6px 9px;border-radius:6px;transform:rotate(-3deg);background:var(--raised);z-index:1}
/* The drawing is fully visible by default. The draw-in only plays on top of
   that, so a browser that skips animation still shows the whole plan. */
.plan.drawing .wall{animation:draw 1.6s var(--ease) backwards}
.plan.drawing text,.plan.drawing .leaf,.plan.drawing .swing,.plan.drawing .win,.plan.drawing .winframe,.plan.drawing .jamb,.plan.drawing .gap,.plan.drawing .key,.plan.drawing .arrow{animation:fade .7s var(--ease) 1.1s backwards}
@keyframes draw{from{stroke-dasharray:1;stroke-dashoffset:1}to{stroke-dasharray:1;stroke-dashoffset:0}}
@keyframes fade{from{opacity:0}}
@media (prefers-reduced-motion:reduce){.plan.drawing *{animation:none!important}}
@media print{.plan.drawing *{animation:none!important}}
.render{display:block;width:100%;height:auto;border-radius:12px;background:var(--sunk);margin-top:14px}
.renderhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.showto{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);cursor:pointer}
.showto input{width:16px;height:16px;accent-color:var(--brass-text)}
.gallery{display:flex;flex-direction:column;gap:14px;margin-bottom:14px}
.existing{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);background:#fff}
.kv .lvlhead{border-bottom:1px solid var(--line-strong);padding-top:8px;font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.issues{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.issues li{padding-left:16px;position:relative;font-size:13.5px}
.issues li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.7}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

.kv{display:flex;flex-direction:column;gap:9px}
.kv>div{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;border-bottom:1px dotted var(--line);padding-bottom:8px;align-items:baseline}
.kv>div>span:last-child{font-family:var(--ff-mono);font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.kv>div.total{border-bottom:0;padding-top:4px}
.kv>div.total span{font-weight:600;color:var(--ink)}
.kv>div.total span:last-child{font-family:var(--ff-display);font-size:20px;font-weight:400}
.kv>div>span:first-child{flex:1;min-width:0}
.kv .sub{display:block;font-size:11px;color:var(--mute);font-family:var(--ff-mono);white-space:normal;line-height:1.4;margin-top:2px}
h2.k,h3.k,h4.k{margin:0;font-family:var(--ff-mono);font-weight:500;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
.banner{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;font-size:13.5px;line-height:1.45}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner.ok{background:var(--ok-soft);color:var(--ok)}
.banner.ink{background:var(--ink);color:var(--ground)}
.banner b{font-weight:600}
.busy{position:absolute;inset:8px;border-radius:18px;background:var(--glass);backdrop-filter:blur(10px);display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .6s var(--ease);z-index:3}
.busy.on{opacity:1;pointer-events:auto}
.busy .msg{display:flex;align-items:center;gap:14px;font-family:var(--ff-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2)}
.ring{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line-strong);border-top-color:var(--brass);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
ul.clean{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
ul.clean li{padding-left:14px;position:relative;font-size:14px;color:var(--ink-2)}
ul.clean li::before{content:"";position:absolute;left:0;top:.65em;width:5px;height:1px;background:var(--brass)}
footer{padding:40px 0;margin-top:60px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mute);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:6px}
@media (max-width:720px){.plan{padding:14px 0 14px 14px}.plan .levels{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-right:14px}.plan svg{min-width:640px}.plan .stamp{position:static;display:inline-block;transform:none;margin:0 0 10px}.plan-key{padding-right:14px}.plan::after{content:"Swipe to see the whole plan";display:block;margin-top:8px;font-family:var(--ff-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}}
@media print{.plan svg{min-width:0}.plan::after{display:none}}
@media (max-width:820px){.form{grid-template-columns:1fr}.wrap{width:calc(100% - 28px)}.nav-pill .crumb{display:none}}