:root{
  --navy:#4E2419; --copper:#C98B4B; --leaf:#D9A05F; --cream:#F8F4EE;
  --ground:#EFEAE1; --surface:#FFFDF9; --surface-2:#F8F4EE; --line:#E3D9C8;
  --ink:#1E1A16; --ink-2:#5E554B; --ink-3:#8A7F72;
  --accent:#B5733A; --accent-ink:#FFFFFF; --accent-soft:#F5E6D6;
  --bar:#4E2419; --bar-ink:#F8F4EE; --bar-dim:#D2B9A3;
  --ok:#2F7A4F; --ok-soft:#E1F0E6; --warn:#A8671B; --warn-soft:#F8E9D2; --bad:#B23A2E; --bad-soft:#F7E0DC;
  --shadow:0 1px 2px rgba(78,36,25,.08),0 6px 18px rgba(78,36,25,.08);
  --f-display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",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"]){
  color-scheme:dark;
  --ground:#15100D; --surface:#211915; --surface-2:#2A201A; --line:#3D2F26;
  --ink:#F1ECE4; --ink-2:#BDB3A6; --ink-3:#8E8578;
  --accent:#D9A05F; --accent-ink:#1A120B; --accent-soft:#3A2A1C;
  --bar:#0F0A08; --bar-ink:#F1ECE4; --bar-dim:#A89383;
  --ok:#6CC08F; --ok-soft:#173326; --warn:#E3A55A; --warn-soft:#3A2A14; --bad:#EE8577; --bad-soft:#3C1E1A;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.3);
}}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#15100D; --surface:#211915; --surface-2:#2A201A; --line:#3D2F26;
  --ink:#F1ECE4; --ink-2:#BDB3A6; --ink-3:#8E8578;
  --accent:#D9A05F; --accent-ink:#1A120B; --accent-soft:#3A2A1C;
  --bar:#0F0A08; --bar-ink:#F1ECE4; --bar-dim:#A89383;
  --ok:#6CC08F; --ok-soft:#173326; --warn:#E3A55A; --warn-soft:#3A2A14; --bad:#EE8577; --bad-soft:#3C1E1A;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--ground);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.app{max-width:480px;margin:0 auto;min-height:100%;background:var(--ground);display:flex;flex-direction:column;position:relative}
@media (min-width:560px){.app{border-inline:1px solid var(--line);box-shadow:var(--shadow)}}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bar);color:var(--bar-ink);padding:10px 16px 12px;display:grid;gap:10px}
.top-row{display:flex;align-items:center;gap:10px}
.mark{font-family:var(--f-display);font-weight:700;font-size:22px;letter-spacing:.06em;text-transform:uppercase;line-height:1}
.mark sup{font-size:10px;color:var(--leaf);margin-left:1px}
.bulk{font-size:12px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:4px 8px;margin-top:4px}
.bulk b{color:var(--ok)}
.mark b{color:var(--leaf);font-weight:600;text-transform:none;letter-spacing:.02em}
.demo{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bar);background:var(--leaf);padding:3px 7px;border-radius:4px}
.roles{display:grid;grid-template-columns:repeat(3,1fr);background:rgba(255,255,255,.08);border-radius:10px;padding:3px;gap:3px}
.roles button{border:0;background:transparent;color:var(--bar-dim);padding:7px 4px;border-radius:8px;font-size:13px;font-weight:500}
.roles button[aria-pressed="true"]{background:var(--bar-ink);color:var(--bar)}
.acct{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:8px 10px;text-align:left;width:100%;color:var(--bar-ink)}
.acct .nm{font-weight:600;font-size:14px}
.acct .sub{font-size:12px;color:var(--bar-dim)}
.acct .chev{margin-left:auto;font-size:12px;color:var(--leaf);font-weight:600}
.pill{white-space:nowrap;flex:none;display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:2px 7px;border-radius:999px}
.pill.tier{background:var(--leaf);color:#4E2419}

main{flex:1;padding:16px 16px 110px;display:grid;gap:18px;align-content:start}
h1,h2,h3{margin:0;text-wrap:balance}
.h-disp{font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.03em;line-height:1.05}
h1.h-disp{font-size:30px}
h2.h-disp{font-size:20px}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.muted{color:var(--ink-2)}
.small{font-size:13px}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.01em}
.num{font-variant-numeric:tabular-nums}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.link{border:0;background:none;color:var(--accent);font-weight:600;font-size:13px;padding:4px 0}

/* cards */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px}
.bal{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:14px 16px;align-items:center}
.bal .amt{font-family:var(--f-display);font-size:32px;font-weight:700;letter-spacing:.01em}
.bal .btn{grid-row:span 2}
.reorder{padding:14px 16px;display:grid;gap:12px;background:var(--navy);color:#F8F4EE;border:0}
.reorder .muted{color:#E0CBB8}
.thumbs{display:flex;gap:6px}
.thumbs img,.thumbs span{width:44px;height:44px;border-radius:8px;background:#fff;object-fit:contain;padding:3px}
.thumbs span{display:grid;place-items:center;font-size:12px;font-weight:600;color:var(--navy)}

.btn{border:0;border-radius:10px;padding:11px 16px;font-weight:600;font-size:14px;background:var(--accent);color:var(--accent-ink);display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.light{background:#F8F4EE;color:#4E2419}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* search + chips */
.search{display:flex;gap:8px}
.search input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;min-height:44px}
.chips{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-inline:-16px;padding-inline:16px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:13px;white-space:nowrap}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.chip .x{margin-left:4px;opacity:.6}

/* product list */
.plist{display:grid;gap:10px}
.prod{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;align-items:start}
.prod img{width:72px;height:72px;object-fit:contain;background:#fff;border-radius:8px;border:1px solid var(--line)}
.prod .nm{font-weight:600;font-size:14px;line-height:1.3;border:0;background:none;padding:0;text-align:left}
.prod .meta{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:3px}
.prod .foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;flex-wrap:wrap}
.price{font-family:var(--f-display);font-weight:700;font-size:21px;letter-spacing:.01em}
.pbox{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px}
.pbox s{color:var(--ink-3);font-size:14px;font-weight:500;font-family:var(--f-body);text-decoration-thickness:1.5px}
.pbox .price.deal{color:var(--accent)}
.tiertag{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#4E2419;background:var(--leaf);padding:1px 6px;border-radius:4px;align-self:center}
.save{font-size:12px;font-weight:600;color:var(--ok)}
.stock{font-size:12px;font-weight:600}
.stock.ok{color:var(--ok)} .stock.low{color:var(--warn)} .stock.out{color:var(--bad)}
.blocked{font-size:12px;color:var(--bad);background:var(--bad-soft);border-radius:8px;padding:6px 8px}

.step{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);overflow:hidden}
.step button{border:0;background:transparent;width:38px;height:38px;font-size:18px;font-weight:600;color:var(--ink)}
.step input{width:44px;text-align:center;border:0;background:transparent;font-variant-numeric:tabular-nums;font-weight:600;height:38px;-moz-appearance:textfield;appearance:textfield}
.step input::-webkit-outer-spin-button,.step input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.add{border:0;background:var(--accent);color:var(--accent-ink);border-radius:10px;height:40px;padding:0 14px;font-weight:600}

/* list rows */
.rows{display:grid}
.row{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:12px 14px;border-top:1px solid var(--line);align-items:center}
.row:first-child{border-top:0}
.row .r{text-align:right}
.status{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:2px 7px;border-radius:999px;justify-self:end}
.status.due{background:var(--warn-soft);color:var(--warn)} .status.late{background:var(--bad-soft);color:var(--bad)} .status.paid{background:var(--ok-soft);color:var(--ok)} .status.quote{background:var(--accent-soft);color:var(--accent)}

/* cart */
.cline{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:12px 14px;border-top:1px solid var(--line)}
.cline:first-child{border-top:0}
.cline img{width:56px;height:56px;object-fit:contain;background:#fff;border-radius:8px;border:1px solid var(--line)}
.cline .foot{display:flex;justify-content:space-between;align-items:center;margin-top:6px;gap:8px}
.tot{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:14px 16px}
.tot .grand{font-family:var(--f-display);font-weight:700;font-size:24px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:600}
.field textarea,.field input,.field select{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;min-height:44px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg label{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--surface);font-size:13px}
.seg input{accent-color:var(--accent);margin-top:3px}
.seg label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.note{font-size:12.5px;color:var(--ink-2);background:var(--surface-2);border:1px dashed var(--line);border-radius:10px;padding:10px 12px}

/* scan */
.viewfinder{position:relative;aspect-ratio:4/3;max-width:100%;border-radius:16px;background:#0B1118;overflow:hidden;display:grid;place-items:center}
.viewfinder .frame{width:72%;height:44%;border:2px solid rgba(217,160,95,.9);border-radius:12px;position:relative}
.viewfinder .laser{position:absolute;left:6%;right:6%;top:50%;height:2px;background:var(--leaf);box-shadow:0 0 12px var(--leaf);animation:sweep 2.4s ease-in-out infinite}
@keyframes sweep{0%,100%{transform:translateY(-38px)}50%{transform:translateY(38px)}}
@media (prefers-reduced-motion:reduce){.viewfinder .laser{animation:none}}
.viewfinder .cap{position:absolute;bottom:10px;left:0;right:0;text-align:center;color:#C9D3DE;font-size:12px}
.samples{display:flex;flex-wrap:wrap;gap:6px}
.samples button{font-family:var(--f-mono);font-size:12px;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 8px}
.scanlog{display:grid;gap:8px}

/* nav */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;z-index:30;background:var(--surface);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px))}
.nav button{border:0;background:none;display:grid;justify-items:center;gap:2px;padding:6px 0;font-size:11px;font-weight:500;color:var(--ink-3);position:relative}
.nav svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav button[aria-current="page"]{color:var(--accent)}
.nav .scan-b{margin-top:-22px}
.nav .scan-b .disc{width:54px;height:54px;border-radius:50%;background:var(--navy);display:grid;place-items:center;color:#F8F4EE;border:4px solid var(--surface);box-shadow:var(--shadow)}
.nav .scan-b[aria-current="page"] .disc{background:var(--accent)}
.badge{position:absolute;top:0;left:calc(50% + 6px);min-width:18px;height:18px;border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 5px}

/* dialogs */
dialog{border:0;padding:0;background:var(--surface);color:var(--ink);width:100%;max-width:480px;margin:auto auto 0;border-radius:18px 18px 0 0;max-height:88dvh}
dialog::backdrop{background:rgba(10,18,27,.55)}
dialog[open]{animation:up .22s ease-out}
@keyframes up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){dialog[open]{animation:none}}
.sheet{display:grid;grid-template-rows:auto 1fr auto;max-height:88dvh}
.sheet-h{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.sheet-h .close{margin-left:auto;border:0;background:var(--surface-2);border-radius:50%;width:34px;height:34px;font-size:18px}
.sheet-b{overflow:auto;padding:14px 16px;display:grid;gap:16px;align-content:start}
.sheet-f{padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);display:flex;gap:10px}
.fgroup{display:grid;gap:8px}
.fgroup .opts{display:flex;flex-wrap:wrap;gap:6px}
.spec{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13.5px}
.spec dt{color:var(--ink-3)} .spec dd{margin:0;font-weight:500}
.hero-img{width:100%;max-width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;border-radius:12px;border:1px solid var(--line)}
.cust{display:grid;gap:8px}
.cust button{text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;display:grid;gap:2px}
.cust button[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:40;background:var(--ink);color:var(--surface);padding:10px 14px;border-radius:10px;font-size:13.5px;font-weight:500;max-width:calc(100% - 32px);box-shadow:var(--shadow)}
.done{display:grid;gap:12px;justify-items:center;text-align:center;padding:28px 12px}
.done .ok{width:64px;height:64px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:grid;place-items:center;font-size:30px}
.empty{padding:28px 16px;text-align:center;color:var(--ink-2)}

/* live app additions */
.login{display:grid;gap:14px;padding-block:8px}
.login .tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.login .tabs button{border:0;background:none;padding:9px;border-radius:8px;font-weight:600;color:var(--ink-2)}
.login .tabs button[aria-pressed="true"]{background:var(--navy);color:#F8F4EE}
.err{color:var(--bad);font-size:13.5px;font-weight:500}
.spin{display:grid;place-items:center;padding:40px;color:var(--ink-3)}
.warnbar{background:var(--warn-soft);color:var(--warn);font-size:13px;font-weight:600;border-radius:10px;padding:10px 12px}
video.cam{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.prod img,.cline img,.hero-img,.thumbs img{background:#fff}