:root{
  --pine:#1c3a2e; --pine-2:#24473a; --moss:#2e5a48;
  --bg:#e8ede7; --panel:#f7f9f5; --ink:#15201a; --muted:#56655c; --line:#d3dcd5; --field:#fff;
  --accent:#e0602a; --accent-dark:#c24d1c; --accent-ink:#fff;
  --on-pine:#eef3ee; --on-pine-muted:#a9bdb1;
  --view:#1f3e31; --on-view-muted:#9fb6a8;
  --mat:#2e5a48; --mat-cell:#35684f; --mat-line:rgba(255,255,255,.14); --mat-margin:#27503f; --seam:#f2b84b;
  --bad:#c9372c; --ok:#2f7d4f; --warn:#a86a12;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-sm:6px; --r-md:10px; --r-lg:14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#101a15; --panel:#17231d; --ink:#e6ede8; --muted:#95a89c; --line:#27352d; --field:#0f1813;
    --accent:#f06d35; --accent-dark:#e0602a; --accent-ink:#1a0d06;
    --view:#132a20; --mat-cell:#2d5c46; --mat-margin:#224837;
    --bad:#ef5b4f; --ok:#5dbb83; --warn:#e0a643;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--sans)}
img{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:8px;background:var(--panel);padding:8px 12px;border-radius:var(--r-sm);z-index:20}
h2{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.015em;line-height:1.2;margin:0}
.muted{color:var(--muted)}
.small{font-size:13px}
kbd{font:600 12px var(--sans);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;background:var(--panel)}

/* buttons */
.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel);color:var(--ink);font:600 14px/1 var(--sans);cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-signal{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-signal:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.btn-onpine{background:transparent;border-color:rgba(255,255,255,.35);color:var(--on-pine)}
.btn-onpine:hover{border-color:var(--on-pine);background:rgba(255,255,255,.06)}
.btn.danger{color:var(--bad)}
.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* top bar */
.bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;padding:10px 20px;background:var(--pine);color:var(--on-pine)}
.wordmark{display:inline-flex;align-items:center;gap:9px;color:inherit;text-decoration:none;font:800 22px/1 var(--display);letter-spacing:-.03em}
.chips{display:flex;flex-wrap:wrap;gap:6px;flex:1;min-width:0}
.chip{font-size:13px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:var(--on-pine-muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.chip b{color:var(--on-pine);font-weight:600}
.chip.warn{background:rgba(242,184,75,.18);color:#f6cf82}
.chip.bad{background:rgba(239,91,79,.2);color:#ffb3ab}
.bar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.unitsel{display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:var(--r-md);overflow:hidden}
.unitsel button{appearance:none;border:0;background:transparent;color:var(--on-pine-muted);font:600 13px var(--sans);padding:0 11px;min-height:36px;cursor:pointer}
.unitsel button[aria-pressed="true"]{background:var(--on-pine);color:var(--pine)}
.account{display:flex;align-items:center;gap:8px}
.account .credits{font-size:13px;color:var(--on-pine-muted);white-space:nowrap}
.account .credits b{color:var(--on-pine)}

/* studio layout */
.studio{max-width:1720px;margin:0 auto;padding:16px 20px 0;display:grid;gap:16px;align-items:start;
  grid-template-columns:300px minmax(0,1fr) 340px;grid-template-areas:"side stage inspect" "side parts parts"}
.side{grid-area:side;display:flex;flex-direction:column;gap:16px}
.stage{grid-area:stage;min-width:0}
.inspect{grid-area:inspect;display:flex;flex-direction:column;gap:16px;min-width:0}
.parts{grid-area:parts}
@media (max-width:1280px){
  .studio{grid-template-columns:290px minmax(0,1fr);grid-template-areas:"side stage" "side inspect" "parts parts"}
  .inspect{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
  .inspect .preview{grid-row:span 2}
}
@media (max-width:860px){
  .studio{grid-template-columns:minmax(0,1fr);grid-template-areas:"stage" "inspect" "side" "parts";padding-inline:12px}
  .inspect{display:flex}
  .bar{padding:10px 12px}
  .chips{order:3;flex-basis:100%}
}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px}
details.card > summary{list-style:none;cursor:pointer;display:flex;align-items:baseline;gap:10px;position:relative;padding-right:22px}
details.card > summary::-webkit-details-marker{display:none}
details.card > summary::after{content:"";position:absolute;right:4px;top:7px;width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
details.card[open] > summary::after{transform:rotate(-135deg);top:10px}
details.card[open] > summary{margin-bottom:14px}
.sum{margin-left:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
details.card[open] .sum{display:none}
.card > h2{margin-bottom:12px}
.card-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.card-head .hint{margin:0}

/* fields */
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 10px}
.fields > *{min-width:0}
.fields .full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:500;color:var(--muted)}
.inp{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-md);background:var(--field);min-height:40px}
.inp:focus-within{border-color:var(--moss);box-shadow:0 0 0 3px color-mix(in srgb,var(--moss) 22%,transparent)}
.inp input,.inp select{flex:1;min-width:0;width:100%;border:0;background:transparent;color:var(--ink);font:500 15px var(--sans);padding:8px 10px;outline:none;font-variant-numeric:tabular-nums}
.inp select{cursor:pointer}
.inp em{font-style:normal;font-size:13px;color:var(--muted);padding-right:10px}
.check{display:flex;gap:9px;align-items:center;font-size:14px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.hint{font-size:13px;color:var(--muted);margin:12px 0 0;line-height:1.45}
.warnline{font-size:13px;color:var(--bad);margin:10px 0 0}

/* bin library */
.lib-hint{margin:0 0 12px}
.tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:12px}
.tabs button{appearance:none;border:1px solid var(--line);background:transparent;color:var(--muted);font:600 13px var(--sans);padding:6px 11px;border-radius:999px;cursor:pointer}
.tabs button:hover{color:var(--ink);border-color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:var(--panel)}
.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tpl{appearance:none;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;padding:10px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--field);color:var(--ink);cursor:grab;font:inherit}
.tpl:hover{border-color:var(--moss);background:color-mix(in srgb,var(--moss) 6%,var(--field))}
.tpl:active{cursor:grabbing}
@media (pointer:fine){.tpl{touch-action:none}}
.tpl-thumb{display:flex;align-items:center;justify-content:center;width:100%;height:74px;margin-bottom:6px;border-radius:var(--r-sm);background:var(--view)}
.tpl-thumb line{stroke:rgba(0,0,0,.3);stroke-width:1.2}
.tpl-name{font-weight:600;font-size:14px;line-height:1.25}
.tpl-size{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
body.placing,body.placing *{cursor:grabbing!important}

/* stage */
.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tool{appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:36px;min-width:36px;padding:0 10px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);color:var(--ink);font:600 13px var(--sans);cursor:pointer}
.tool:hover{border-color:var(--muted)}
.tool:disabled{opacity:.4;cursor:default}
.tool svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tool.danger{color:var(--bad)}
.sep{width:1px;height:22px;background:var(--line);margin:0 4px}
.grow{flex:1}
.legend{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:16px;height:4px;border-radius:2px}
.legend i + *{margin-right:6px}
.lg-seam{background:var(--seam)}
.lg-rim{background:var(--mat-margin);height:10px!important;margin-left:8px}
.canvas{background:var(--view);border-radius:var(--r-lg);padding:14px}
#editor{display:block;width:100%;height:auto;max-height:calc(100vh - 210px);touch-action:none;user-select:none;-webkit-user-select:none}
#editor text{font-family:var(--sans);pointer-events:none;font-variant-numeric:tabular-nums}
.stage-note{font-size:13px;color:var(--muted);margin:10px 2px 0}

/* inspector and preview */
#three{position:relative;height:340px;border-radius:var(--r-md);overflow:hidden;background:var(--view)}
#three canvas{display:block;width:100%;height:100%}
.f-gap{display:block}
@media (max-width:1280px){#three{height:420px}}
@media (max-width:600px){#three{height:300px}}

/* parts */
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:13px;font-weight:600;color:var(--muted);padding:8px 12px;border-bottom:1px solid var(--line)}
td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
td.act{text-align:right}
td .btn{min-height:32px;padding:0 12px;font-size:13px}
td .muted{margin-left:6px}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:9px;vertical-align:-1px}
.empty{color:var(--muted);padding:10px 12px}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--pine);color:var(--on-pine);padding:11px 16px;border-radius:var(--r-md);font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:calc(100% - 32px);z-index:30}
.toast.on{opacity:1}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}

/* page content below the designer */
.about{max-width:1720px;margin:56px auto 0;padding:48px 20px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:40px 64px}
.about section{max-width:66ch}
.about h2{font-size:26px;font-weight:800;margin-bottom:14px;text-wrap:balance}
.about p,.about li{color:var(--ink);line-height:1.6}
.about p{margin:0 0 12px}
.about ol{padding-left:20px;margin:0}
.about li{margin-bottom:6px}
.about table{font-size:14px;margin-bottom:12px}
.about td{padding:8px 0}
.about td.num{text-align:right;color:var(--muted)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:8px 0 0;color:var(--muted)}
.foot{max-width:1720px;margin:0 auto;padding:24px 20px 40px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px;color:var(--muted)}
.foot a{color:inherit}
#noSel .fields{margin-top:14px}
#editor g[data-id] text{paint-order:stroke;stroke-width:3px;stroke-linejoin:round}

/* buy credits dialog */
dialog.buy{border:0;border-radius:var(--r-lg);padding:0;max-width:440px;width:calc(100% - 32px);background:var(--panel);color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.3)}
dialog.buy::backdrop{background:rgba(16,30,23,.55)}
.buy-inner{padding:22px}
.buy-inner h2{font-size:22px;font-weight:800}
.buy-inner .hint:first-of-type{margin:6px 0 16px}
.packs{display:grid;gap:8px}
.pack{display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"radio credits price" "radio each each";align-items:center;column-gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--field);cursor:pointer}
.pack:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.pack input{grid-area:radio;width:18px;height:18px;accent-color:var(--accent)}
.pack-credits{grid-area:credits;font-weight:600}
.pack-price{grid-area:price;font-weight:600;font-variant-numeric:tabular-nums}
.pack-each{grid-area:each;font-size:13px;color:var(--muted)}
.buy-actions{justify-content:flex-end;margin-top:18px}
.buy-error{color:var(--bad)}

/* AI planner */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.card.ai{background:var(--pine);border-color:var(--pine);color:var(--on-pine)}
.card.ai h2{font-size:22px;font-weight:800;margin-bottom:6px}
.ai-lede{font-size:14px;color:var(--on-pine-muted);margin:0 0 12px}
.ai textarea{display:block;width:100%;min-height:96px;resize:vertical;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-md);background:rgba(255,255,255,.07);color:var(--on-pine);font:15px/1.45 var(--sans);padding:10px 12px}
.ai textarea::placeholder{color:rgba(238,243,238,.5)}
.ai textarea:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.ai-examples{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 12px}
.ai-examples button{appearance:none;border:1px solid rgba(255,255,255,.22);background:transparent;color:var(--on-pine-muted);font:600 12.5px var(--sans);padding:5px 10px;border-radius:999px;cursor:pointer}
.ai-examples button:hover{color:var(--on-pine);border-color:var(--on-pine-muted)}
.ai .check{font-size:13.5px;color:var(--on-pine-muted);margin-bottom:6px}
.ai-go{width:100%;min-height:44px;margin-top:8px;font-size:15px}
.ai-cost{font-size:13px;color:var(--on-pine-muted);margin:8px 0 0;text-align:center}
.ai-cost a,.ai-cost button{color:var(--on-pine);font:inherit;background:none;border:0;padding:0;text-decoration:underline;cursor:pointer}
.ai-status:empty{display:none}
.ai-status{margin-top:12px;font-size:14px;color:var(--on-pine);display:flex;align-items:center;gap:10px}
.ai-status.error{color:#ffb3ab}
.ai-spin{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.25);border-top-color:var(--accent);animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.ai-spin{animation:none}}
.ai-result{margin-top:14px;border-top:1px solid rgba(255,255,255,.14);padding-top:12px}
.ai-bins{list-style:none;margin:0;padding:0;display:grid;gap:8px;max-height:320px;overflow:auto}
.ai-bins li{display:grid;grid-template-columns:12px 1fr;gap:4px 9px;font-size:13.5px}
.ai-bins .sw{margin:4px 0 0}
.ai-bins b{font-weight:600;color:var(--on-pine)}
.ai-bins span.meta{color:var(--on-pine-muted);font-variant-numeric:tabular-nums}
.ai-bins .why{grid-column:2;color:var(--on-pine-muted);font-size:13px}
.ai-bins li.missing b{color:#ffb3ab}
.ai-note{font-size:13px;color:var(--on-pine-muted);margin:10px 0 0}
.ai .btn{background:transparent;border-color:rgba(255,255,255,.3);color:var(--on-pine)}
.ai .btn:hover{border-color:var(--on-pine)}
.ai .btn.btn-signal{background:var(--accent);border-color:var(--accent);color:#fff}
.ai .btn.btn-signal:hover{background:var(--accent-dark)}
.ai-foot{font-size:12.5px;color:var(--on-pine-muted);margin:8px 0 0}
.ai-result-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.ai-result-head h3{margin:0;font:700 17px var(--display);letter-spacing:-.01em}
.ai .btn.ai-again{background:var(--on-pine);border-color:var(--on-pine);color:var(--pine)}
.ai .btn.ai-again:hover{background:#fff;border-color:#fff}
.ai-result .ai-foot{margin:6px 0 12px}
.waiver{margin-top:14px;align-items:flex-start;font-size:13.5px;line-height:1.4}.waiver input{margin-top:1px;flex:none}

dialog.stats{max-width:620px}
.stats table{margin:12px 0}
.stats h3{font:700 16px var(--display);margin:14px 0 6px}
.stats .errs{margin:0;padding-left:18px;font-size:13px}

/* print plates */
.plates{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.plates-head{margin-bottom:8px}
.plate-list{display:grid;gap:6px;margin-bottom:12px}
.plate-row{display:grid;grid-template-columns:90px 90px 140px 1fr;gap:12px;font-size:14px;font-variant-numeric:tabular-nums;padding:6px 0;border-bottom:1px solid var(--line)}
.plate-row.total{border-bottom:0;font-weight:600}
.plates .row{align-items:center}
.plates-cost{margin:0}
@media (max-width:600px){.plate-row{grid-template-columns:1fr 1fr}}
.fit-note{margin-top:12px}
.linkish{appearance:none;border:0;background:none;padding:0;font:inherit;color:var(--ink);text-decoration:underline;cursor:pointer}

/* my drawers */
.cloud-status{font-size:13px;color:var(--muted);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
dialog.drawers{max-width:760px}
.drawers-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawers-actions{display:grid;gap:10px;margin:14px 0}
.drawers-save{display:flex;gap:8px;flex-wrap:wrap}
.drawers-save .inp{flex:1 1 240px}
.cab-count{flex:0 0 150px!important}
.cabinet-new summary{cursor:pointer;font-weight:600;font-size:14px;padding:4px 0}
.cabinet-new .drawers-save{margin-top:8px}
.drawers-list{display:grid;gap:14px;max-height:52vh;overflow:auto}
.cab{border:1px solid var(--line);border-radius:var(--r-md);padding:10px 12px;background:var(--field)}
.cab-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.cab-head h3{margin:0;font:700 16px var(--display)}
.cab ul{list-style:none;margin:0;padding:0}
.cab li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);flex-wrap:wrap;font-size:14px}
.cab li.open b{color:var(--accent)}
.drawer-acts{display:flex;gap:6px;flex-wrap:wrap}
.drawer-acts .btn{min-height:32px;padding:0 10px;font-size:13px}