:root{--bg:#0f172a;--card:#1e293b;--line:#334155;--text:#f1f5f9;--muted:#94a3b8;--accent:#22c55e;--accent2:#16a34a;--warn:#f59e0b;--bad:#ef4444}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.35 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}
#app{max-width:720px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding-bottom:96px}
button{font:inherit;color:inherit}
input,select{font:inherit;color:var(--text);background:#0b1222;border:1px solid var(--line);border-radius:10px;padding:12px;width:100%}
input:focus,select:focus{outline:2px solid var(--accent);border-color:transparent}
label{display:block;margin:12px 0 4px;color:var(--muted);font-size:14px}
label input,label select{margin-top:6px}
a{color:#60a5fa;cursor:pointer}
.muted{color:var(--muted)}.small{font-size:13px}.pad{padding:12px}
.btn{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:12px 14px;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#052e16;font-weight:700}
.btn.primary:disabled{opacity:.45}
.btn.ghost{background:transparent}
.btn.big{padding:14px 22px;font-size:18px}
.btn.full{width:100%;margin-top:18px}
.btn.icon{font-size:22px;padding:8px 14px}
.link{background:none;border:0;color:#60a5fa;padding:0;cursor:pointer}
.link.danger{color:#f87171}
.top{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);position:sticky;top:var(--nb);background:var(--bg);z-index:5}
.top .title{font-weight:800;font-size:20px}
.who{font-size:12px;color:var(--muted);text-align:right}
.scanrow{display:flex;gap:8px;padding:12px 14px 6px;position:sticky;top:calc(57px + var(--nb));background:var(--bg);z-index:4}
#results{position:relative;margin:0 14px}
.results{list-style:none;margin:0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:12px;max-height:50vh;overflow:auto}
.results li{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);cursor:pointer}
.results li:active{background:#273449}
.rprice{font-weight:700;white-space:nowrap}.rprice.out{color:var(--bad)}
.quick{display:flex;gap:8px;padding:8px 14px}
.quick .btn{flex:1;font-size:14px}
.cart{list-style:none;margin:6px 0 0;padding:0 14px}
.cart .empty{color:var(--muted);text-align:center;padding:40px 10px;border:1px dashed var(--line);border-radius:12px}
.line{display:flex;justify-content:space-between;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:8px}
.line .name{font-weight:600}
.line .sub{font-size:14px;color:var(--muted);margin-top:2px}
.line .sub select{width:auto;padding:2px 6px;border-radius:6px;font-size:14px}
.lright{display:flex;flex-direction:column;align-items:flex-end;gap:6px;min-width:110px}
.ltotal{font-weight:800;font-size:17px}
.qty{display:flex;align-items:center;gap:4px}
.qty button{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#0b1222;font-size:20px}
.qty span{min-width:30px;text-align:center;font-weight:700}
.warn{display:block;color:var(--warn);font-size:13px;margin-top:4px}
.warn input{width:auto;margin:0 4px 0 0}
.paybar{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;gap:10px;padding:12px max(14px,calc((100vw - 720px)/2 + 14px));padding-bottom:calc(12px + env(safe-area-inset-bottom));background:#0b1222;border-top:1px solid var(--line);z-index:6}
.paybar>div{flex:1}.paybar .big{font-size:24px;font-weight:800}
.paybox{padding:16px 14px}
.huge{font-size:40px;font-weight:900;margin:2px 0 12px}
.seg{display:flex;gap:6px;margin:10px 0;flex-wrap:wrap}
.seg button{flex:1;padding:12px 8px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;min-width:70px}
.seg button.on{background:var(--accent);border-color:var(--accent);color:#052e16;font-weight:700}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.chips button{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);cursor:pointer}
.change{margin-top:14px;font-size:20px}.change.bad b{color:var(--bad)}
.done{padding:40px 16px;text-align:center}
.done .ok{font-size:26px;font-weight:800;margin-bottom:6px}
.changebig{font-size:30px;font-weight:900;color:var(--accent);margin:6px 0}
.auth{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}
.brand{font-size:26px;font-weight:900;margin-bottom:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;width:100%;max-width:380px}
.card h2{margin:0 0 6px}
.card .btn{width:100%;margin-top:16px}
.links{display:flex;justify-content:space-between;margin-top:14px;font-size:14px}
.msg{color:var(--warn)}.hint{color:var(--muted);font-size:12px;margin-top:14px}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:20}
.sheet{position:fixed;left:0;right:0;bottom:0;max-width:720px;margin:0 auto;background:var(--card);border-radius:18px 18px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));z-index:21}
.sheet h3{margin:0 0 6px}
.sheet .row{display:flex;gap:10px;margin-top:16px}.sheet .row .btn{flex:1}
.check{display:flex;align-items:center;gap:8px;color:var(--text)}.check input{width:auto}
.toast{position:fixed;left:50%;transform:translateX(-50%);top:14px;background:#0b1222;border:1px solid var(--accent);padding:10px 16px;border-radius:12px;z-index:50;max-width:92vw;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.toast.err{border-color:var(--bad)}
.toast.hidden{display:none}

/* always-on camera strip (Checkout screen) */
.camstrip{display:none;position:fixed;top:var(--nb);left:0;right:0;height:26vh;max-height:240px;background:#000;z-index:8;overflow:hidden}
body.cam-on .camstrip{display:block}
body.cam-on #app{padding-top:calc(min(26vh,240px) + var(--nb))}
body.cam-on .top{display:none}
body.cam-on .scanrow{top:calc(min(26vh,240px) + var(--nb))}
.camstrip video{width:100%;height:100%;object-fit:cover}
.camstrip .aim{position:absolute;left:8%;right:8%;top:50%;height:2px;background:#ef4444;box-shadow:0 0 8px #ef4444}
.camstrip.hit{outline:4px solid var(--accent);outline-offset:-4px}
.camstrip .camoff{position:absolute;right:10px;top:10px;background:rgba(0,0,0,.55);border:1px solid #475569;border-radius:999px;padding:6px 12px;font-size:13px;color:#fff}
.btn.icon.on{border-color:var(--accent)}
.line.flash{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset;transition:box-shadow .3s}
.lastadd{margin:0 14px 6px;font-size:14px;color:var(--muted)}

/* bottom navigation */
.nav{position:fixed;left:0;right:0;bottom:0;display:flex;background:#0b1222;border-top:1px solid var(--line);z-index:7;padding-bottom:env(safe-area-inset-bottom)}
.nav button{flex:1;background:none;border:0;padding:8px 4px 10px;color:var(--muted);font-size:12px;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer}
.nav button span{font-size:20px}
.nav button.on{color:var(--accent);font-weight:700}
body.has-nav #app{padding-bottom:150px}
body.has-nav .paybar{bottom:calc(58px + env(safe-area-inset-bottom))}
/* lists + forms */
.list{list-style:none;margin:0;padding:0 14px}
.list .row{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:6px;cursor:pointer}
.list.tight{padding:0}.list.tight .row{cursor:default}
.list .day{color:var(--muted);font-size:13px;margin:12px 2px 6px;font-weight:700}
.list .empty{color:var(--muted);text-align:center;padding:30px}
.list .name{font-weight:600}
.grow{flex:1;min-width:0}
.rt{text-align:right;white-space:nowrap}
.pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line)}
.pill.active{color:var(--accent);border-color:var(--accent)}.pill.queued{color:#60a5fa;border-color:#60a5fa}.pill.depleted{color:var(--muted)}
.pad{padding:10px 14px}.pad0{padding:0 14px 8px}
.formpad{padding:8px 14px 20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px}
.scanrow.inline{position:static;padding:6px 0;background:none}
.pcard{display:flex;gap:10px;align-items:flex-start;background:var(--card);border:1px solid var(--accent);border-radius:12px;padding:12px;margin:6px 0}
.pcard.new{border-color:#60a5fa;flex-direction:column}.pcard.new>.link{align-self:flex-end}
.thumb{max-height:110px;border-radius:10px;margin:8px 0;background:#fff}
.mini{width:40px;height:40px;border-radius:8px;object-fit:contain;background:#fff;flex:none}.mini.ph{background:#0b1222;border:1px solid var(--line)}
.calc{margin-top:12px;background:#0b1222;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px}
.hintbox{margin-top:8px;font-size:13px;color:var(--warn)}
.between{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.row.gap{display:flex;gap:10px;align-items:center;margin-top:18px}
.top .row.gap{margin-top:0}
.btn.danger{color:#f87171;border-color:#7f1d1d}
.chips button.on{background:var(--accent);color:#052e16;border-color:var(--accent);font-weight:700}
.bad{color:var(--bad)}.warnc{color:var(--warn)}
#invresults .results{margin-bottom:6px}

.nav button{font-size:11px;padding:7px 2px 9px}.nav button span{font-size:19px}
.daybar{display:flex;align-items:center;gap:8px;padding:10px 14px}
.daybar input{width:auto;flex:1;padding:8px}.daybar .btn{padding:8px 14px}
.sumbar{display:flex;gap:14px;justify-content:space-between;margin:0 14px 10px;padding:10px 12px;background:#0b1222;border:1px solid var(--line);border-radius:10px;font-size:14px}
.kv{display:grid;grid-template-columns:1fr auto;gap:4px 12px;margin-top:8px}.kv b{text-align:right}
.kv.small{font-size:13px}
.closecard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:8px;cursor:pointer;list-style:none}
.sheet.tall{max-height:88vh;overflow:auto}
.seg.wrap button{flex:1 1 30%}
.moregrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:14px}
.moregrid button{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 6px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;cursor:pointer}
.moregrid button span{font-size:26px}

.checks{display:grid;grid-template-columns:1fr;gap:2px;margin-top:6px}
.checks .check{margin:0;padding:8px 4px;border-bottom:1px solid var(--line);color:var(--text);font-size:15px}
.checks input{width:20px;height:20px}

.pw{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:18px;color:var(--accent)}

/* ================= gallery tiles ================= */
.tiles{list-style:none;margin:0;padding:4px 14px 14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px}
.tiles.big{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.tile{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:border-color .15s,transform .1s}
.tile:hover{border-color:var(--accent)}
.tile:active{transform:scale(.97)}
.timg{position:relative;aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center}
.timg img{width:100%;height:100%;object-fit:contain;padding:6px}
.timg.noimg{background:linear-gradient(135deg,#1e3a5f,#0b1222)}
.timg.noimg>span:first-child{font-size:30px;font-weight:800;color:#cbd5e1;letter-spacing:1px}
.badge{position:absolute;top:6px;right:6px;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;background:#0b1222cc;color:#e2e8f0;border:1px solid #334155}
.badge.out{background:#7f1d1d;border-color:#ef4444;color:#fff}.badge.low{background:#78350f;border-color:var(--warn);color:#fff}
.badge.ok{background:#052e16cc;border-color:#16a34a;color:#bbf7d0}.badge.svc{background:#1e3a8acc;border-color:#3b82f6}
.tname{font-size:13px;font-weight:600;padding:8px 9px 2px;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.5em}
.tprice{font-weight:800;padding:0 9px 9px;font-size:15px}
.viewtoggle{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.viewtoggle button{background:none;border:0;padding:8px 12px;font-size:16px;cursor:pointer;color:var(--muted)}
.viewtoggle button.on{background:var(--accent);color:#052e16}
.mini.ph{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#cbd5e1;background:linear-gradient(135deg,#1e3a5f,#0b1222)}
.navbrand,.navuser,.carthead{display:none}
.co-left,.co-right{min-width:0}

/* ================= tablet & up ================= */
@media (min-width:600px){
  #app{max-width:none}
  .top,.scanrow,.daybar,.pad,.pad0,.quick,.formpad,.paybox{padding-left:22px;padding-right:22px}
  .list,.cart,.tiles{padding-left:22px;padding-right:22px}
  .sumbar{margin-left:22px;margin-right:22px}
  .list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:8px}
  .list .row,.closecard{margin:0}
  .list .day,.list .empty{grid-column:1/-1}
  .list.tight{display:block}
  .formpad,.paybox,.done{max-width:760px;margin-left:auto;margin-right:auto}
  .sheet{left:50%;right:auto;bottom:auto;top:50%;transform:translate(-50%,-50%);width:min(560px,94vw);border-radius:18px;max-height:88vh;overflow:auto;padding-bottom:18px}
  .moregrid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));padding:22px}
  .paybar{padding-left:22px;padding-right:22px}
  .tiles{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .tiles.big{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
}

/* ================= tablet (portrait+): two-pane checkout ================= */
@media (min-width:760px){
  .co{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start}
  .co-right{position:sticky;top:var(--nb);height:calc(100vh - 58px - var(--nb));display:flex;flex-direction:column;border-left:1px solid var(--line);background:#0c1424}
  .carthead{display:block;font-weight:800;font-size:18px;padding:16px 16px 8px}
  .co-right .cart{flex:1;overflow:auto;padding:4px 12px}
  .co-right .paybar{position:static;padding:12px 16px;border-top:1px solid var(--line)}
  .co-right .paybar .big{font-size:22px}
  .co-left .scanrow{position:sticky;top:var(--nb)}
  body.cam-on #app{padding-top:var(--nb)}
  body.cam-on .co-left{padding-top:200px}
  body.cam-on .camstrip{left:0;right:340px;height:200px;max-height:none}
  body.cam-on .co-left .scanrow{top:calc(200px + var(--nb))}
  body.has-nav #app{padding-bottom:70px}
  .lright{min-width:96px}
}
/* ================= desktop / landscape tablet: sidebar ================= */
@media (min-width:1024px){
  body.has-nav #app{margin-left:220px;padding-bottom:30px}
  .nav{top:0;bottom:0;left:0;right:auto;width:220px;flex-direction:column;border-top:0;border-right:1px solid var(--line);padding:16px 12px;gap:4px}
  .nav button{flex:none;flex-direction:row;justify-content:flex-start;gap:12px;font-size:15px;padding:11px 12px;border-radius:10px;color:#cbd5e1}
  .nav button:hover{background:#1e293b}
  .nav button.on{background:#14532d55;color:var(--accent)}
  .nav button span{font-size:20px;width:24px;text-align:center}
  .navbrand{display:block;font-weight:900;font-size:19px;padding:4px 12px 18px}
  .navuser{display:block;margin-top:auto;font-size:12px;color:var(--muted);padding:12px;line-height:1.6;word-break:break-all}
  .co{grid-template-columns:minmax(0,1fr) 400px}
  .co-right{height:calc(100vh - var(--nb))}
  body.cam-on .camstrip{left:220px;right:400px;height:210px}
  body.cam-on .co-left{padding-top:210px}
  body.cam-on .co-left .scanrow{top:calc(210px + var(--nb))}
  .top{padding-top:16px;padding-bottom:16px}
  .tiles{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .tiles.big{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
  .list{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}
  .huge{font-size:44px}
}
@media (min-width:1500px){ .co{grid-template-columns:minmax(0,1fr) 460px} body.cam-on .camstrip{right:460px} }

@media (min-width:760px){
  .cohdr{display:none}
  .co-left .tiles{grid-template-columns:repeat(auto-fill,minmax(122px,1fr))}
  .co-left .scanrow{padding-top:16px}
}
@media (min-width:1024px){ .co-left .tiles{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))} }
@media (min-width:760px){ .daybar input{flex:none;width:220px} .daybar .muted{flex:1} }

.mkgrid{display:grid;grid-template-columns:1fr 120px 32px;gap:8px 10px;align-items:center;margin:12px 0 6px}
.mkrange{display:flex;align-items:center;gap:6px;white-space:nowrap}
.mkrange input{width:110px;padding:9px}
.mkpct{display:flex;align-items:center;gap:4px}.mkpct input{padding:9px;text-align:right}
.mklist .row{cursor:default}.mklist .check{align-items:flex-start}
.okc{color:var(--accent)}
.mkgrid{max-width:460px}
.between{flex-wrap:wrap;gap:6px}

.coldrow{margin-top:12px}
.coldchip{margin-left:6px;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid #38bdf8;background:#0c4a6e55;color:#bae6fd;cursor:pointer}
.coldchip.room{border-color:var(--warn);background:#78350f55;color:#fde68a}
.mklist .fixrt{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.mklist .rt{white-space:nowrap}

.fzsec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}
.fzsec h3{margin:0 0 6px}
.fzgrid{display:grid;grid-template-columns:1fr 1fr 90px 28px;gap:6px 8px;align-items:center;margin:8px 0}
.fzgrid input{padding:9px}
.fzgen{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:10px 0;font-size:14px}
.fzgen input{width:80px;padding:7px}
.fzgh{margin:14px 0 6px}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:9px}
.fzprice{display:flex;align-items:center;gap:4px}.fzprice input{width:84px;padding:8px;text-align:right}
.row.changed{border-color:var(--warn)}
@media (min-width:760px){ .formpad.wide{max-width:900px} }

.netbar{position:fixed;left:0;right:0;top:0;z-index:40;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;height:32px;box-sizing:border-box;padding:7px 12px;background:#1e3a8a;color:#dbeafe;text-align:center}
.netbar.off{background:#78350f;color:#fef3c7}.netbar.bad{background:#7f1d1d;color:#fee2e2}.netbar.hidden{display:none}
.netbar button{background:#ffffff22;border:1px solid #ffffff55;color:inherit;border-radius:8px;padding:2px 8px;margin-left:6px;cursor:pointer}
body{--nb:0px}body.has-netbar{--nb:32px}
body.has-netbar:not(.cam-on) #app{padding-top:var(--nb)}
@media (min-width:1024px){ .netbar{left:220px} }

.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:4px 14px 6px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.tile span{font-size:12px;color:var(--muted)}.tile b{font-size:19px}.tile small{font-size:11.5px;color:var(--muted)}
.bars{margin:6px 14px 12px;display:flex;flex-direction:column;gap:6px}
.barrow{display:grid;grid-template-columns:92px 1fr auto;align-items:center;gap:8px;font-size:13px}
.barrow .bl{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.barrow .bt{height:12px;background:#0b1222;border-radius:6px;overflow:hidden}.barrow .bt i{display:block;height:100%;background:var(--accent);border-radius:6px}
@media (min-width:760px){ .tiles{grid-template-columns:repeat(4,minmax(0,1fr));margin-left:22px;margin-right:22px} .bars{margin-left:22px;margin-right:22px} }

select.inl,input.inl{display:inline-block;width:4.5em!important;padding:4px 8px;margin:0 4px}
.pad.small{line-height:2.2}