/* Layout: workshop spec sheet. Package cards in a grid; the build page is a parts ledger beside a sticky total. */
:root{
  --bg:#EDEFF2; --surface:#FFFFFF; --surface2:#F4F5F8; --ink:#13171D; --muted:#586170; --line:#D6DBE2;
  --accent:#C8400C; --accent-ink:#FFFFFF; --good:#17703E; --warn:#8A5200; --bad:#B42318; --focus:#2563EB;
  --f-display:'Barlow Condensed','Arial Narrow',sans-serif;
  --f-body:'Barlow',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1217; --surface:#161B22; --surface2:#1C222B; --ink:#E9EDF2; --muted:#9AA5B4; --line:#2A323D;
  --accent:#FF8A4C; --accent-ink:#1A0E06; --good:#4CC38A; --warn:#E5A53B; --bad:#F28B82; --focus:#7AA7FF; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1217; --surface:#161B22; --surface2:#1C222B; --ink:#E9EDF2; --muted:#9AA5B4; --line:#2A323D;
  --accent:#FF8A4C; --accent-ink:#1A0E06; --good:#4CC38A; --warn:#E5A53B; --bad:#F28B82; --focus:#7AA7FF; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:400 15px/1.45 var(--f-body);padding-inline:16px;padding-block:0 24px;min-width:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.wrap{max-width:1120px;margin-inline:auto}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
h1,h2,h3{font-family:var(--f-display);font-weight:700;letter-spacing:.005em;margin:0;text-wrap:balance;line-height:1.05}
h1{font-size:clamp(30px,5vw,46px)} h2{font-size:26px} h3{font-size:22px}
p{margin:0}
.muted{color:var(--muted)}
.small{font-size:13px}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg);margin-inline:-16px;padding-inline:16px;border-bottom:1px solid var(--line)}
.topin{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap;padding-block:10px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand svg{flex:none;color:var(--accent)}
.brand b{font:700 20px/1 var(--f-display);letter-spacing:.02em;display:block;overflow-wrap:anywhere}
.brand small{color:var(--muted);font-size:12px}
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tab{border:1px solid transparent;background:none;padding:7px 12px;border-radius:6px;cursor:pointer;font-weight:600;color:var(--muted)}
.tab[aria-current="page"]{background:var(--surface);border-color:var(--line);color:var(--ink)}
.tab .n{font-family:var(--f-mono);font-size:12px;color:var(--accent);margin-left:6px}

/* buttons / inputs */
.btn{border:1px solid var(--line);background:var(--surface);padding:9px 14px;border-radius:6px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.danger{color:var(--bad)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
input[type=text],input[type=number],input[type=tel],select,textarea{width:100%;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:8px 10px}
textarea{resize:vertical;min-height:64px}
label.f{display:grid;gap:4px;font-size:13px;color:var(--muted);min-width:0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>*{min-width:0}

/* shop */
.intro{padding-block:28px 18px;display:grid;gap:10px;max-width:68ch}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-block:6px 18px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;cursor:pointer;font-weight:500}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{all:unset;box-sizing:border-box;cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-content:start}
.card:hover{border-color:var(--accent)}
.card:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.letter{font:700 76px/.8 var(--f-display);color:var(--accent);grid-row:span 2}
.card h3{align-self:end;overflow-wrap:anywhere}
.specs{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px 10px;font:400 12px/1.5 var(--f-mono);color:var(--muted);align-self:start}
.cfoot{grid-column:1/-1;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;border-top:1px dashed var(--line);margin-top:12px;padding-top:10px}
.cfoot .price{font:500 20px/1 var(--f-mono);margin-right:auto}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:1px 9px;font-size:12px;color:var(--muted);background:var(--surface2)}
.pill.off{color:var(--bad);border-color:var(--bad)}

/* build */
.crumb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-block:18px 10px}
.link{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.build{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start;padding-bottom:90px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:grid;gap:12px;min-width:0}
.stack{display:grid;gap:14px;min-width:0}
.vchips{display:flex;gap:8px;flex-wrap:wrap}
.vchip{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 12px;cursor:pointer;text-align:left;display:grid;gap:2px;min-width:130px}
.vchip[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.vchip b{font-weight:600}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;border:1px solid var(--muted);margin-right:6px;vertical-align:-1px}
.dot.black{background:#20242b}.dot.white{background:#fff}
.ledger{display:grid;gap:0}
.line{display:grid;grid-template-columns:110px minmax(0,1fr) auto;gap:4px 12px;align-items:center;padding-block:10px;border-top:1px solid var(--line)}
.line:first-child{border-top:0}
.line .k{font:500 12px/1.2 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.line .v{min-width:0;overflow-wrap:anywhere}
.line .p{font:400 13px var(--f-mono);text-align:right;white-space:nowrap}
.line select{grid-column:2/4}
.lock{font-size:12px;color:var(--muted)}
.delta{color:var(--warn)} .delta.neg{color:var(--good)}
.opt{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:start;padding:8px 0;border-top:1px solid var(--line);cursor:pointer}
.opt:first-of-type{border-top:0}
.opt input{margin-top:3px;accent-color:var(--accent)}
.opt .n{overflow-wrap:anywhere}
.opt .pr{font:400 13px var(--f-mono);text-align:right;white-space:nowrap}
.was{text-decoration:line-through;color:var(--muted);margin-right:6px}
.save{color:var(--good)}
.aside{position:sticky;top:calc(env(safe-area-inset-top,0px) + 70px);display:grid;gap:12px}
.sum{display:grid;gap:6px;font-size:14px}
.sum div{display:flex;justify-content:space-between;gap:10px}
.sum .t{border-top:2px solid var(--ink);padding-top:10px;margin-top:4px;align-items:baseline}
.sum .t b{font:500 28px/1 var(--f-mono)}
.admin-note{border:1px dashed var(--accent);border-radius:8px;padding:8px 10px;font-size:13px;display:grid;gap:2px}
.dock{display:none}
.msg{padding:14px;border:1px dashed var(--line);border-radius:8px;color:var(--muted)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 80px);background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:999px;font-size:13px;z-index:50;box-shadow:0 4px 18px rgba(0,0,0,.25)}
.toast.err{background:var(--bad);color:#fff}

/* admin */
.atabs{display:flex;gap:6px;flex-wrap:wrap;margin-block:18px 14px}
.tblw{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:720px;font-size:14px}
th{text-align:left;font:500 12px/1 var(--f-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding:10px 8px;background:var(--surface2);white-space:nowrap}
td{padding:6px 8px;border-top:1px solid var(--line);vertical-align:middle}
td input[type=number]{min-width:84px}
td input[type=text]{min-width:200px}
.slotgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.vcard{border:1px solid var(--line);border-radius:8px;padding:12px;display:grid;gap:10px;background:var(--surface)}
.metrics{display:flex;gap:16px;flex-wrap:wrap;font:400 13px var(--f-mono)}
.qitem{border:1px solid var(--line);border-radius:8px;padding:12px;display:grid;gap:6px;background:var(--surface)}
.qitem pre{margin:0;white-space:pre-wrap;font:400 12px/1.5 var(--f-mono);color:var(--muted);overflow-wrap:anywhere}
.two{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px;align-items:start}

@media (max-width:860px){
  .build{grid-template-columns:minmax(0,1fr)}
  .aside{position:static}
  .two{grid-template-columns:minmax(0,1fr)}
  .dock{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:10px 16px calc(env(safe-area-inset-bottom,0px) + 10px);align-items:center;justify-content:space-between;gap:12px}
  .dock b{font:500 22px/1 var(--f-mono)}
  .line{grid-template-columns:minmax(0,1fr) auto}
  .line .k{grid-column:1/-1}
  .line select,.line .lock{grid-column:1/-1!important}
  .line .p{grid-row:2;grid-column:2}
  .line .v{grid-column:1}
}
@media (prefers-reduced-motion:no-preference){.card,.btn,.vchip{transition:border-color .15s,filter .15s}}

/* standalone page basics */
html{color-scheme:light dark;padding-top:env(safe-area-inset-top,0px)}
body{margin:0;min-height:100vh}
img{max-width:100%}
[hidden]{display:none!important}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:22px 10px;margin-top:28px;border-top:1px solid var(--line)}
.foot .fr{display:flex;gap:14px}
input[type=file]{font-size:13px;max-width:100%}

.meta{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.warnbox{margin:0;padding:10px 12px;border:1px solid var(--warn);border-radius:8px;color:var(--warn);font-size:14px;background:var(--surface2)}
.csvbar{align-items:flex-end;margin-bottom:14px}

.was{color:var(--muted);text-decoration:line-through;font-weight:400;font-size:.85em}
.was-row{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}

.qty{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--line,#ddd)}
.stepper{display:flex;align-items:center;gap:12px}
.stepper b{min-width:2ch;text-align:center;font-size:18px}
.rules ul{margin:8px 0 0;padding-left:20px}.rules li{margin:4px 0}
.printsheet{display:none}
@media print{
  .top,main,.dock,.foot,.toast{display:none!important}
  .printsheet{display:block!important;color:#000;background:#fff}
  .printsheet pre{white-space:pre-wrap;font:14px/1.5 system-ui,sans-serif}
  body{background:#fff!important}
}

.vchip .vprice{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.vchip .vprice .was{font-weight:400;font-size:.9em}
.vchip .vsave{display:inline-block;align-self:flex-start;width:fit-content;margin-top:4px;padding:2px 8px;border-radius:999px;font-weight:700;font-size:13px;color:var(--good,#0a7a3d);background:color-mix(in srgb,var(--good,#0a7a3d) 14%,transparent)}

.gopt{display:grid;grid-template-columns:1fr auto auto;gap:6px 14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.gopt .n{min-width:0}.gopt .pr{font-family:var(--mono,monospace);text-align:right}
@media(max-width:560px){.gopt{grid-template-columns:1fr auto}.gopt .stepper{grid-column:1/3;justify-content:flex-end}}
.btn.wa{background:#25D366;color:#06351a;border-color:transparent;font-weight:700}

.cfoot .price .was{font-size:.6em;font-weight:400;margin-left:2px;white-space:nowrap}
.cfoot .vsave{display:inline-block;padding:2px 10px;border-radius:999px;font-weight:700;font-size:13px;color:var(--good);background:color-mix(in srgb,var(--good) 14%,transparent);justify-self:start;width:fit-content}

.vchip .vthumb{display:block;width:100%;max-width:150px;aspect-ratio:4/3;object-fit:cover;border-radius:8px;margin-bottom:8px;background:#fff}
.vphoto-big{display:block;width:100%;max-width:380px;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-top:14px;border:1px solid var(--line);background:#fff}
.vphoto-ed{display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex:1 1 100%}
.vphoto-ed img{width:72px;height:54px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#fff}
.vphoto-ed label.btn{cursor:pointer}
.vchips{align-items:flex-start}

/* casing photo: right column on wide screens, above the options on phones */
.vchips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;align-items:start}
.vphoto-m{display:none}
.aside .vphoto-big{display:block;width:100%;max-width:none;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:#fff;margin:0 0 14px}
@media(max-width:860px){.vphoto-m{display:block;width:100%;max-width:420px;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:#fff}.aside .vphoto-big{display:none}}
@media(max-width:420px){.vchips{grid-template-columns:1fr}}
@media(min-width:561px) and (max-width:860px){
  .panel:has(>.vphoto-m){display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:12px 16px;align-items:start}
  .panel:has(>.vphoto-m)>div:first-child{grid-column:1/-1}
  .panel:has(>.vphoto-m)>.vphoto-m{grid-column:2;grid-row:2;max-width:none;width:100%}
  .panel:has(>.vphoto-m)>.vchips{grid-column:1;grid-row:2}
}
/* photo: fit whole image inside the box, never crop */
.vphoto-big,.vphoto-m,.aside .vphoto-big{object-fit:contain!important;aspect-ratio:4/3;width:100%;max-width:100%;height:auto;background:#fff;box-sizing:border-box}
.panel:has(>.vphoto-m)>.vphoto-m{max-height:340px}
.clines{display:grid;gap:4px;margin:10px 0;font-size:14px}
.clines>div{display:flex;justify-content:space-between;gap:12px;padding:4px 0;border-bottom:1px solid var(--line)}
.clines small{font-size:12px}
.cartitem h3{margin:0}
.tab .n{margin-left:6px}
.catwrap{border:1px solid var(--line);border-radius:10px;margin:8px 0;padding:0 12px;background:var(--surface)}
.cathead{display:flex;align-items:center;gap:10px;width:100%;padding:12px 0;background:none;border:0;color:inherit;font:inherit;text-align:left;cursor:pointer;flex-wrap:wrap}
.cathead .catname{font-weight:600;letter-spacing:.02em}
.cathead .vsave{margin-left:auto}
.catbox{display:inline-grid;place-items:center;width:20px;height:20px;border:1.5px solid var(--line);border-radius:5px;font:600 15px/1 var(--f-mono,monospace)}
.cathead[aria-expanded="true"] .catbox{background:var(--accent,#d4480b);border-color:var(--accent,#d4480b);color:#fff}
.catwrap .gopt:last-child{border-bottom:0}
.pwrap{display:flex;gap:10px;align-items:flex-start}
.pthumb{position:relative;flex:0 0 56px;width:56px;height:56px;padding:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;cursor:zoom-in}
.pthumb img{width:100%;height:100%;object-fit:contain;display:block}
.pcount{position:absolute;right:2px;bottom:2px;background:rgba(0,0,0,.72);color:#fff;border-radius:9px;font:600 11px/1 var(--f-mono,monospace);padding:2px 5px}
.line .v .pthumb{display:inline-block;vertical-align:middle;margin-right:10px;width:44px;height:44px}
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.86);display:grid;place-items:center;padding:16px}
.lbbox{position:relative;max-width:min(960px,100%);width:100%;display:grid;gap:10px;justify-items:center}
.lbimg{max-width:100%;max-height:78vh;object-fit:contain;border-radius:10px;background:#fff;cursor:pointer}
.lbx{position:absolute;top:-6px;right:0;transform:translateY(-100%);width:40px;height:40px;border-radius:50%;border:0;background:#fff;color:#111;font:400 26px/1 sans-serif;cursor:pointer}
.lbn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#111;font:400 30px/1 sans-serif;cursor:pointer}
.lbp{left:8px}.lbnx{right:8px}
.lbcap{display:flex;gap:14px;align-items:center;justify-content:center;color:#fff;font-size:14px;text-align:center}
.pph{display:flex;gap:6px;align-items:center;flex-wrap:wrap;min-width:150px}
.pphi{position:relative;width:44px;height:44px}
.pphi img{width:44px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#fff}
.pphx{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;border:0;background:#c0392b;color:#fff;font:600 12px/1 sans-serif;cursor:pointer;padding:0}
.logo{width:40px;height:40px;object-fit:contain;flex:none;border-radius:6px}