:root{--ink:#16191f;--mut:#5b6478;--line:#e3e7ef;--bg:#f5f7fb;--card:#fff;--acc:#0e9f6e;--acc-ink:#fff;--rack:#1b2236;--rail:#3a435c;--gear:#c9cfdb;--gear-ink:#3b4459;--tip:#fff7e6;--tip-line:#f3d38b}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Space Grotesk",Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.4}
.mono{font-family:ui-monospace,"IBM Plex Mono",Menlo,Consolas,monospace}
a{color:var(--acc)}
.top{background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand{color:#fff;text-decoration:none;font-weight:700;font-size:20px;display:flex;align-items:center;gap:10px}
.logo{width:22px;height:22px;border-radius:5px;background:linear-gradient(var(--acc) 0 30%,transparent 30% 38%,#fff 38% 62%,transparent 62% 70%,#fff 70%);display:inline-block}
.top nav a{color:#cfd5e2;text-decoration:none;font-size:14px}
main{max-width:1280px;margin:0 auto;padding:0 16px 40px}
.intro h1{margin:22px 0 4px;font-size:28px}
.intro p{margin:0 0 16px;color:var(--mut);max-width:760px}
.layout{display:grid;grid-template-columns:300px minmax(0,1fr) 300px;gap:16px;align-items:start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.seg{display:flex;gap:6px;margin-bottom:10px}
.seg button{flex:1;padding:9px 6px;border-radius:8px;border:1px solid var(--line);background:#fff;font:inherit;font-weight:600;cursor:pointer;color:var(--ink)}
.seg button.on{background:var(--acc);border-color:var(--acc);color:var(--acc-ink)}
.field{display:block;font-size:13px;color:var(--mut);margin-bottom:10px}
.field select,.field input{display:block;width:100%;margin-top:4px;font:inherit;font-size:16px;padding:9px 10px;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--acc)}
.results{max-height:340px;overflow:auto}
.res{display:flex;align-items:center;gap:8px;padding:8px 2px;border-bottom:1px solid var(--line)}
.res img{width:40px;height:40px;object-fit:cover;border-radius:6px;background:var(--bg);flex:none}
.res .t{flex:1;min-width:0;font-size:14px}
.res .t small{display:block;color:var(--mut);font-size:12px}
.res .acts{display:flex;flex-direction:column;gap:4px;flex:none}
.btn{background:var(--acc);color:var(--acc-ink);border:0;border-radius:6px;padding:5px 10px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.btn.ghost{background:#fff;color:var(--acc);border:1px solid var(--acc)}
.empty-res{color:var(--mut);font-size:13px;padding:6px 2px}
.miss{margin-top:10px;background:#ecfdf5;border-radius:8px;padding:10px;font-size:13px}
.miss a{font-weight:600}
.gear{margin-top:12px}
.label{font-size:13px;color:var(--mut);margin-bottom:4px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px dashed #9aa3b5;border-radius:6px;padding:4px 8px;background:#fff;font:inherit;font-size:13px;cursor:pointer;color:var(--ink)}
.rackpanel{display:flex;flex-direction:column;align-items:center}
.rack{position:relative;width:100%;max-width:460px;background:var(--rack);border-radius:10px;padding:10px 0;user-select:none}
.row{display:flex;align-items:stretch}
.un{width:30px;color:#8d96ad;font-size:11px;display:flex;align-items:flex-start;justify-content:center;padding-top:12px;font-family:ui-monospace,Menlo,monospace}
.rail{width:12px;background:repeating-linear-gradient(var(--rail) 0 4px,var(--rack) 4px 14.5px);flex:none}
.cell{flex:1;min-width:0;padding:2px 4px}
.slot{height:100%;min-height:40px;border-radius:4px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 10px;font-size:13px;font-weight:600;cursor:pointer;border:0;width:100%;font-family:inherit;text-align:left}
.slot .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot .tag{font-family:ui-monospace,Menlo,monospace;font-size:11px;font-weight:600;flex:none}
.slot.mount{background:#fff;border-left:5px solid var(--acc);color:var(--ink)}
.slot.mount .tag{color:var(--acc)}
.slot.gearitem{background:var(--gear);color:var(--gear-ink)}
.slot.open{background:transparent;border:1.5px dashed #4b5573;color:#8d96ad;font-weight:500}
.slot.open.target{border-color:var(--acc);color:#fff;background:rgba(14,159,110,.15)}
.slot.sel{outline:3px solid #ffd166;outline-offset:-1px}
.itemacts{display:none;gap:4px}
.slot.sel .itemacts{display:flex}
.itemacts span{background:var(--ink);color:#fff;border-radius:4px;padding:2px 7px;font-size:12px}
.legend{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:10px;font-size:12px;color:var(--mut)}
.sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.sw.mount{background:#fff;border:1px solid var(--acc)}.sw.gearsw{background:var(--gear)}.sw.open{border:1px dashed #4b5573}
.hint{font-size:12px;color:var(--mut);text-align:center;margin:8px 0 0}
#summary h2{margin:0 0 8px;font-size:16px}
.line{display:flex;justify-content:space-between;gap:8px;font-size:14px;padding:7px 0;border-bottom:1px solid var(--line)}
.line a{color:var(--ink);text-decoration:none}
.line a:hover{text-decoration:underline}
.line .own{color:var(--mut)}
.total{display:flex;justify-content:space-between;font-weight:700;font-size:17px;margin:12px 0}
.cta{display:block;background:var(--acc);color:var(--acc-ink);text-align:center;padding:12px;border-radius:9px;font-weight:700;text-decoration:none}
.cta.disabled{background:#c9cfdb;color:#fff;pointer-events:none}
.sec{display:block;width:100%;background:#fff;border:1.5px solid var(--ink);text-align:center;padding:9px;border-radius:9px;font:inherit;font-weight:600;margin-top:8px;cursor:pointer;color:var(--ink)}
.tip{margin-top:12px;background:var(--tip);border:1px solid var(--tip-line);border-radius:8px;padding:10px;font-size:13px}
.tip:empty{display:none}
.credit{font-size:12px;color:var(--mut);margin:12px 0 0}
.how{margin-top:28px;max-width:760px}
.how h2{font-size:20px}
.how li{margin-bottom:8px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;font-size:14px;z-index:10}
.layout>*{min-width:0}
@media (max-width:1000px){.layout{grid-template-columns:minmax(0,1fr)}.rack{max-width:520px}}

/* Faces: the slot is the rack face. Photo or drawing fills it; the caption floats on top. */
.slot.face{position:relative;padding:0;overflow:hidden;background:#2b303b;border:0;border-left:0}
.slot.face .draw{position:absolute;inset:0;width:100%;height:100%}
.slot.face .cap{position:absolute;left:22px;right:22px;bottom:2px;display:flex;justify-content:space-between;gap:6px;pointer-events:none}
.slot.face .cap .nm{background:rgba(15,18,24,.72);color:#fff;font-size:10.5px;font-weight:600;padding:1px 6px;border-radius:4px;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot.face .cap .tag{background:rgba(255,255,255,.92);color:var(--acc);font-size:10px;padding:1px 5px;border-radius:4px}
.slot.face.gearitem .cap .tag{color:var(--gear-ink)}
.slot.face .itemacts{position:absolute;top:4px;right:6px}
.slot.face.mount{box-shadow:inset 0 0 0 2px var(--acc)}
.slot.face.gearitem{box-shadow:none}
.row{min-height:0}
.reslabel{margin:12px 0 2px;font-weight:600;color:var(--ink)}
.ownform{margin-top:10px;border:1px solid var(--line);border-radius:10px;padding:10px;background:#fafbfd}
.ownform .label{font-weight:600;color:var(--ink);margin-bottom:8px}
.ownrow{display:grid;grid-template-columns:90px minmax(0,1fr);gap:8px}
.ownmount{display:flex;gap:14px;font-size:13px;margin:2px 0 10px}
.ownacts{display:flex;gap:8px}
.ownreq{font-size:12px;font-weight:600}
.slot.face .combine{position:absolute;right:22px;top:5px;width:calc(50% - 30px);text-align:center;background:var(--acc);color:#fff;font-size:11px;font-weight:700;padding:3px 6px;border-radius:5px;cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.35)}
.slot.face .combine:hover{filter:brightness(1.1)}
.slot.face{cursor:grab;-webkit-touch-callout:none}
.slot.face.dragging{position:relative;z-index:5;cursor:grabbing;opacity:.92;box-shadow:0 10px 24px rgba(0,0,0,.45);transition:none}
.rack.isdrag .slot.face:not(.dragging){pointer-events:none}
.dropzone{position:absolute;left:34px;right:34px;border-radius:6px;pointer-events:none;z-index:4}
.dropzone.ok{outline:2px dashed var(--acc);background:rgba(21,67,240,.18)}
.dropzone.bad{outline:2px dashed #ef4444;background:rgba(239,68,68,.15)}
/* Let the drawing show: lighter captions, and they step aside on hover or when picked (CJ 2026-11-03) */
.slot.face .cap{transition:opacity .15s}
.slot.face.gearitem .cap .nm{background:rgba(15,18,24,.6);font-size:10px}
.slot.face.gearitem .cap .tag{background:rgba(255,255,255,.75)}
@media (hover:hover){.slot.face:hover .cap{opacity:.12}}
.slot.face.sel .cap{opacity:.12}
.starters{margin:12px 0 0;font-size:12px;color:var(--mut)}.starters summary{cursor:pointer;width:max-content}.starters .chips{margin-top:6px}

.sharebtn{display:block;width:100%;margin-top:10px;padding:11px 10px 10px;border:0;border-radius:10px;background:linear-gradient(135deg,#1543F0,#6a3df0);color:#fff;font:inherit;cursor:pointer;box-shadow:0 2px 8px rgba(21,67,240,.25);text-align:center}.sharebtn:hover{filter:brightness(1.08)}.sharebtn:focus-visible{outline:3px solid #8fa6ff;outline-offset:2px}.sharebtn .sh-top{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px}.sharebtn .sh-sub{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:5px;font-size:12px;opacity:.95;flex-wrap:wrap}.sharebtn i{font-style:normal;display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;font-weight:700;font-size:11px;color:#fff;line-height:1}.sharebtn .s-fb{background:#1877F2;font-family:Arial,sans-serif;font-size:13px}.sharebtn .s-rd{background:#FF4500;font-size:9px}.sharebtn .s-x{background:#000}.sharebtn .s-tx{background:#34C759}
.fbbtn{display:block;width:100%;margin-top:10px;background:none;border:1px dashed #9aa3b5;border-radius:9px;padding:8px;font:inherit;font-size:13px;font-weight:600;color:var(--mut);cursor:pointer}.fbbtn:hover{color:var(--ink);border-color:var(--ink)}
.myracks{margin:2px 0 12px}.mr-btn{margin-top:6px}.mr-save{display:flex;gap:6px;margin-top:6px}.mr-save input{flex:1;min-width:0;font:inherit;font-size:16px;padding:6px 8px;border:1.5px solid var(--line);border-radius:8px}.mr-cur{font-size:13px;color:var(--mut);margin-top:6px}.mr-cur b{color:var(--ink)}.linkish{background:none;border:0;padding:0;font:inherit;color:var(--acc);text-decoration:underline;cursor:pointer}.mr-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}.mr-list li{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.mr-list li.on{border-color:var(--acc);box-shadow:inset 3px 0 0 var(--acc)}.mr-open{flex:1;min-width:0;text-align:left;background:none;border:0;padding:7px 9px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer}.mr-open span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mr-open small{display:block;font-weight:400;color:var(--mut);font-size:12px}.mr-del{background:none;border:0;border-left:1px solid var(--line);padding:0 12px;font-size:18px;color:var(--mut);cursor:pointer}.mr-del:hover{color:#c0392b}
.nt{margin-top:10px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#f8faff;position:relative}.nt-h{font-size:13px;margin-bottom:6px;color:var(--ink)}.nt-row{display:flex;gap:6px}.nt-row input[type=email]{flex:1;min-width:0;font:inherit;font-size:16px;padding:7px 9px;border:1.5px solid var(--line);border-radius:8px}.nt-fine{font-size:11px;color:var(--mut);margin-top:5px}.nt-done{font-size:13px;color:var(--acc);font-weight:600}
.nt-cta{display:inline-block;text-decoration:none;padding:8px 14px;font-size:14px}
/* Creator embed (?embed=1): one build, read only, inside a creator's page. */
body.embed .top,body.embed .intro,body.embed .how,body.embed #picker,body.embed .hint,body.embed #feedback,body.embed #share,body.embed #fill{display:none}
body.embed #rack{pointer-events:none}
body.embed .layout{grid-template-columns:1fr 1fr}
body.embed .embed-open{margin-top:10px;background:transparent;color:var(--ink);border:1px solid var(--line)}
@media (max-width:760px){body.embed .layout{grid-template-columns:1fr}}
.fill{margin:10px 0 0}.fill .btn{width:100%}

/* Polish round 1 (CJ 2026-11-03: "make it look more polished / professional") */
.panel{border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(15,21,37,.04),0 6px 20px rgba(15,21,37,.05)}
.seg{background:#eef1f7;padding:4px;border-radius:11px;gap:4px;margin-bottom:14px}
.seg button{border:0;background:transparent;color:var(--mut);padding:9px 6px;border-radius:8px;font-size:15px}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(15,21,37,.15)}
.seg button.on::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--acc);margin-right:7px;vertical-align:1px}
.field,.label{font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--mut);font-family:ui-monospace,"IBM Plex Mono",Menlo,Consolas,monospace}
.field select,.field input{font-family:inherit;letter-spacing:0;text-transform:none;font-weight:400;border-width:1px;border-radius:10px;padding:10px 12px;margin-top:6px;font-family:"Space Grotesk",Inter,system-ui,sans-serif}
.field select:focus,.field input:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(21,67,240,.12)}
.rackrow{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:8px}
.findf{margin-top:4px}
.findf input{padding:12px 14px;font-size:16px}
.label{margin-bottom:8px}
.gear{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.chip{border:1px solid var(--line);border-radius:999px;padding:6px 11px;background:#f7f8fb;font-size:13px;font-weight:500;transition:border-color .12s,background .12s}
.chip::before{content:"+";color:var(--acc);font-weight:700;margin-right:5px}
.chip:hover{border-color:var(--acc);background:#fff}
.starters{margin-top:14px}
#summary h2{font-size:18px;margin-bottom:4px}
.sumh{font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--mut);font-family:ui-monospace,"IBM Plex Mono",Menlo,Consolas,monospace;margin:14px 0 0}
.line{padding:9px 0;align-items:baseline}
.line:last-child{border-bottom:0}
.rackline{font-weight:600}
.gearline{color:var(--mut);font-size:13px;border-bottom:0}
.pill{font-size:11px;font-weight:500;background:#f1f3f8;color:var(--mut);border-radius:999px;padding:2px 9px;white-space:nowrap;align-self:center}
.total{border-top:1px solid var(--ink);padding-top:12px;margin-top:6px}
.cta{border-radius:10px;padding:13px;font-size:16px}
.tip{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:12px 0 0;color:var(--mut);font-size:12.5px;line-height:1.5}
.tip b{color:var(--ink);font-weight:600}
.fbbtn{border:0;padding:8px 0 0;font-weight:500;font-size:12.5px;text-decoration:underline;text-underline-offset:3px;text-align:left}
.fbbtn:hover{color:var(--acc)}
.myracks{margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.legend{gap:16px;margin-top:12px}
.hint{max-width:46ch;margin:8px auto 0;line-height:1.5}
.rack{border-radius:12px;box-shadow:0 10px 30px rgba(15,21,37,.25)}
@media (max-width:560px){.slot.face .cap .tag{display:none}.slot.face .cap .nm{max-width:100%;font-size:11px}}
/* Polish round 2: an empty rack that invites the first device, steps that read as steps */
.sharebtn[hidden]{display:none}
.rack:not(:has(.slot.face)) .slot.open{color:transparent}
.rack:not(:has(.slot.face))::after{content:"Search a device to start your rack";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);white-space:nowrap;background:#0F1525;color:#e6e9f2;border:1px solid #2c3550;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;pointer-events:none;box-shadow:0 6px 18px rgba(0,0,0,.35)}
.slot.open{transition:background .12s,border-color .12s}
@media (hover:hover){.slot.open:hover{border-color:var(--acc);color:#fff}}
.starters[open] summary{margin-bottom:2px}
.how{max-width:none;margin-top:36px}
.how h2{font-size:22px;margin:0 0 14px}
.how ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:st}
.how li{counter-increment:st;margin:0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;font-size:14px;line-height:1.5;color:var(--mut)}
.how li::before{content:counter(st);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--acc);color:#fff;font-weight:700;font-size:14px;margin-bottom:10px}
.how li b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
@media (max-width:900px){.how ol{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.how ol{grid-template-columns:minmax(0,1fr)}.how li{display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:12px}.how li::before{grid-row:span 2;margin:0}}