:root{--bg:#F4F5F7;--card:#fff;--tx:#14171C;--mu:#6B7280;--line:#E3E6EA;--pri:#0E7C66;--pri2:#0B6655;--prl:#E3F3EF;--warn:#B45309;--wl:#FEF3C7;--bad:#B91C1C;--bl:#FEE2E2;--blue:#1D4ED8;--bll:#DBEAFE;--r:12px;--f:"Be Vietnam Pro",system-ui,sans-serif}
*{box-sizing:border-box}html,body{margin:0}body{font:15px/1.45 var(--f);background:var(--bg);color:var(--tx);-webkit-tap-highlight-color:transparent}
a{color:var(--pri)}button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0 0 10px;line-height:1.25}h1{font-size:22px}h2{font-size:18px}h3{font-size:16px}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:6px;padding:8px 12px;background:#14171C;color:#fff;min-height:52px}
.top .brand{font-weight:700;margin-right:8px;white-space:nowrap;max-width:34vw;overflow:hidden;text-overflow:ellipsis}
.top nav{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none}.top nav::-webkit-scrollbar{display:none}
.top nav a{color:#C9CED6;text-decoration:none;padding:8px 11px;border-radius:9px;white-space:nowrap;font-weight:500;font-size:14px}
.top nav a.on{background:#2A2F38;color:#fff}.top nav a .dot{display:inline-block;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#F59E0B;color:#111;font-size:11px;line-height:18px;text-align:center;margin-left:4px;font-weight:700}
.top .who{font-size:13px;color:#C9CED6;white-space:nowrap}.top .who button{background:none;border:0;color:#fff;text-decoration:underline;cursor:pointer;padding:4px}
.banner{background:var(--wl);color:#7C4A03;padding:8px 14px;font-size:14px;text-align:center}
main{padding:14px;max-width:1400px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 16px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:600;cursor:pointer;text-decoration:none;color:var(--tx);white-space:nowrap}
.btn:hover{border-color:#C5CAD1}.btn.p{background:var(--pri);border-color:var(--pri);color:#fff}.btn.p:hover{background:var(--pri2)}
.btn.d{color:var(--bad);border-color:#F3C1C1}.btn.w{background:var(--wl);border-color:#FCD34D}.btn.sm{min-height:34px;padding:0 11px;font-size:13.5px}.btn.lg{min-height:52px;font-size:17px}
.btn:disabled{opacity:.5;cursor:not-allowed}.btn.full{width:100%}
label.f{display:block;margin-bottom:12px}label.f>span{display:block;font-size:13px;color:var(--mu);margin-bottom:5px;font-weight:500}
input.i,select.i,textarea.i{width:100%;min-height:42px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fff;outline:none}
input.i:focus,select.i:focus,textarea.i:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--prl)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.sp{flex:1}.mu{color:var(--mu)}.sm{font-size:13px}.b{font-weight:700}.r{text-align:right}
.grid{display:grid;gap:12px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.g2,.g3{grid-template-columns:1fr}}
.tag{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:600;background:#EEF0F3;color:#374151}
.tag.new{background:var(--bll);color:var(--blue)}.tag.cooking{background:var(--wl);color:var(--warn)}.tag.done{background:var(--prl);color:var(--pri)}.tag.served{background:#EEF0F3;color:var(--mu)}.tag.cho{background:#FCE7F3;color:#BE185D}
/* đăng nhập */
.auth{max-width:420px;margin:6vh auto}.auth .logo{font-size:26px;font-weight:700;margin-bottom:4px}.auth .logo b{color:var(--pri)}
.tabs{display:flex;background:#E9ECEF;border-radius:11px;padding:4px;margin-bottom:16px}.tabs button{flex:1;border:0;background:none;padding:9px;border-radius:8px;font-weight:600;cursor:pointer;color:var(--mu)}.tabs button.on{background:#fff;color:var(--tx);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.pin{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:280px;margin:10px auto}.pin button{height:58px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:22px;font-weight:600;cursor:pointer}
.pind{display:flex;justify-content:center;gap:10px;margin:8px 0}.pind i{width:14px;height:14px;border-radius:50%;border:2px solid var(--pri)}.pind i.on{background:var(--pri)}
.staff{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.staff button{padding:14px 10px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600}.staff button small{display:block;color:var(--mu);font-weight:400;font-size:12px}
/* sơ đồ bàn */
.area{margin-bottom:18px}.area h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--mu)}
.tables{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:10px}
.tb{position:relative;min-height:96px;border-radius:14px;border:1.5px solid var(--line);background:#fff;padding:12px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:3px}
.tb b{font-size:16px}.tb .m{font-size:13px;color:var(--mu)}.tb .t{margin-top:auto;font-weight:700}
.tb.busy{background:var(--prl);border-color:#9ED4C6}.tb.qr{border-color:#EC4899;box-shadow:0 0 0 3px #FCE7F3}.tb .fl{position:absolute;top:8px;right:8px;display:flex;gap:4px}
/* gọi món */
.order{display:grid;grid-template-columns:1fr 400px;gap:14px;align-items:start}
@media(max-width:980px){.order{grid-template-columns:1fr}}
.cats{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px}.cats button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 14px;font-weight:600;cursor:pointer;white-space:nowrap}.cats button.on{background:var(--tx);color:#fff;border-color:var(--tx)}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.it{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;text-align:left;cursor:pointer;min-height:76px;display:flex;flex-direction:column;gap:4px}.it:active{transform:scale(.98)}
.it b{font-weight:600}.it span{color:var(--pri);font-weight:700;margin-top:auto}.it.off{opacity:.45}
.bill{position:sticky;top:64px}.bill .ls{max-height:46vh;overflow:auto;margin:0 -16px;padding:0 16px}
@media(max-width:980px){.bill{position:static}.bill .ls{max-height:none}}
.ln{display:flex;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line);align-items:flex-start}.ln:last-child{border-bottom:0}
.ln .q{min-width:28px;font-weight:700}.ln .n{flex:1}.ln .n small{display:block;color:var(--mu);font-size:12.5px}.ln .pr{font-weight:600;white-space:nowrap}
.ln.void .n,.ln.void .pr{text-decoration:line-through;color:var(--mu)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px}.qty button{width:30px;height:30px;border:0;background:none;font-size:18px;cursor:pointer}.qty b{min-width:22px;text-align:center}
.sum{display:flex;justify-content:space-between;font-size:18px;font-weight:700;padding:12px 0 4px;border-top:2px solid var(--tx);margin-top:6px}
.acts{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.sec-t{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mu);margin:12px 0 2px;font-weight:600}
/* bếp */
.kds{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;align-items:start}
.tk{background:#fff;border-radius:12px;border:1px solid var(--line);overflow:hidden}.tk header{display:flex;justify-content:space-between;padding:10px 12px;background:#14171C;color:#fff;font-weight:700}
.tk header.late{background:var(--bad)}.tk .kl{padding:10px 12px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;gap:10px}.tk .kl:last-child{border-bottom:0}
.tk .kl.cooking{background:var(--wl)}.tk .kl.done{background:var(--prl);opacity:.7}.tk .kl b.q{font-size:18px;min-width:26px}.tk .kl small{display:block;color:var(--mu)}
/* hộp thoại */
dialog{border:0;border-radius:16px;padding:0;max-width:min(520px,94vw);width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(15,18,22,.5)}
dialog .dh{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center}dialog .dh h2{margin:0;flex:1}dialog .dh button{border:0;background:none;font-size:24px;cursor:pointer;line-height:1}
dialog .db{padding:16px 18px;max-height:70vh;overflow:auto}dialog .df{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.opt{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:6px;cursor:pointer}.opt input{width:18px;height:18px;accent-color:var(--pri)}
.seg{display:flex;gap:6px;flex-wrap:wrap}.seg button{flex:1;min-height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font-weight:600;cursor:pointer}.seg button.on{background:var(--tx);color:#fff;border-color:var(--tx)}
.big{font-size:28px;font-weight:700}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#14171C;color:#fff;padding:11px 18px;border-radius:12px;z-index:100;font-weight:500;max-width:92vw;box-shadow:0 8px 30px rgba(0,0,0,.25)}.toast.err{background:var(--bad)}
table.t{width:100%;border-collapse:collapse;font-size:14px}table.t th,table.t td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left}table.t th{font-size:12.5px;color:var(--mu);font-weight:600}table.t td.r,table.t th.r{text-align:right}
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:14px}.stat div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.stat small{color:var(--mu);display:block}.stat b{font-size:22px}
.bars{display:flex;align-items:flex-end;gap:4px;height:120px;padding-top:10px}.bars div{flex:1;background:var(--pri);border-radius:4px 4px 0 0;min-height:2px;position:relative}.bars div span{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);font-size:10px;color:var(--mu)}
.qrs{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.qrc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;break-inside:avoid}.qrc .qrb{display:flex;justify-content:center;margin:8px 0}
.empty{padding:30px;text-align:center;color:var(--mu)}
/* in */
#print{display:none}
@media print{body>*:not(#print){display:none!important}#print{display:block!important}body{background:#fff}@page{margin:0}}
.pr80{width:72mm;margin:0 auto;padding:3mm 0 6mm;font:12px/1.35 Arial,sans-serif;color:#000}.pr80 h1{font-size:15px;text-align:center;margin:0 0 2px}.pr80 .c{text-align:center}.pr80 hr{border:0;border-top:1px dashed #000;margin:5px 0}
.pr80 table{width:100%;border-collapse:collapse}.pr80 td{padding:2px 0;vertical-align:top}.pr80 td.r{text-align:right;white-space:nowrap}.pr80 .tot{font-size:15px;font-weight:700}.pr80 .kq{font-size:16px;font-weight:700}.pr80 img{display:block;margin:6px auto;width:46mm}
.prqr{display:grid;grid-template-columns:repeat(3,1fr);gap:8mm;padding:10mm;font-family:Arial,sans-serif}.prqr div{text-align:center;border:1px solid #999;border-radius:4mm;padding:5mm;break-inside:avoid}.prqr b{font-size:18px}.prqr p{margin:2mm 0;font-size:12px}
@media(max-width:980px){#send{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));width:auto;z-index:15;box-shadow:0 8px 24px rgba(0,0,0,.25)}main{padding-bottom:84px}}
/* ---- sửa theo chấm giao diện 24/10 ---- */
.banner{padding:5px 12px;font-size:13px}
@media(pointer:coarse){.btn.sm{min-height:42px}.qty button{width:42px;height:42px}dialog .dh button{width:44px;height:44px}}
.qty button{width:36px;height:36px}
/* điện thoại: menu thành thanh đáy */
@media(max-width:760px){
  .top{min-height:46px;padding:6px 12px}.top .brand{max-width:55vw}
  .top nav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#14171C;justify-content:space-around;gap:0;padding:4px 2px calc(4px + env(safe-area-inset-bottom));border-top:1px solid #2A2F38}
  .top nav a{flex:1;text-align:center;padding:12px 2px;font-size:13px;border-radius:8px}
  main{padding-bottom:150px}
}
/* thanh đơn nổi khi gọi món trên điện thoại */
#send{position:static!important;width:100%!important;box-shadow:none!important}
.mbar{display:none}
@media(max-width:980px){.mbar{display:flex;gap:8px;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:25}.mbar .btn{flex:1;min-height:52px;box-shadow:0 8px 24px rgba(0,0,0,.22)}}
@media(max-width:760px){.mbar{bottom:calc(68px + env(safe-area-inset-bottom))}}
.why{font-size:13px;color:var(--warn);margin:6px 0 0;text-align:center}
.sub{display:flex;justify-content:space-between;font-size:14px;color:var(--mu);padding:2px 0}.sub b{color:var(--tx)}
/* bếp đọc từ xa */
.kds{grid-template-columns:repeat(auto-fill,minmax(440px,1fr))}
@media(max-width:900px){.kds{grid-template-columns:1fr}}
.tk header{font-size:20px;padding:12px 14px}.tk .kl{cursor:default;align-items:center;padding:12px 14px}
.tk .kl b.q{font-size:30px;min-width:40px}.tk .kl .sp b{font-size:22px;line-height:1.25}.tk .kl small{font-size:17px}
.tk .kl .act{min-width:118px;min-height:52px;font-size:17px}.tk .kl.done .sp b{text-decoration:line-through}
/* tiền */
.money-in{font-size:22px!important;font-weight:700;letter-spacing:.01em}
#chg.ok{color:var(--pri);font-size:22px}#chg.no{color:var(--bad);font-size:20px}
.bars div b{position:absolute;top:-17px;left:50%;transform:translateX(-50%);font-size:10px;color:var(--tx);white-space:nowrap}
.pr80{font-size:13.5px}.pr80 h1{font-size:17px}
details.done-list summary{cursor:pointer;font-weight:600;padding:4px 0}