:root{--bg:#f2f5f4;--card:#fff;--ink:#12303a;--mute:#5d737a;--line:#d8e2e0;--brand:#12303a;--sun:#ffc83d;--sunink:#3a2a00;--ok:#1f9d6b;--bad:#d63b22;--warn:#b86e00;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d1d22;--card:#15292f;--ink:#e8f1ef;--mute:#8fa8ad;--line:#254148;--brand:#0a1519;--ok:#3ccf95;--bad:#ff7a63;--warn:#ffb340}}
:root[data-theme="dark"]{--bg:#0d1d22;--card:#15292f;--ink:#e8f1ef;--mute:#8fa8ad;--line:#254148;--brand:#0a1519;--ok:#3ccf95;--bad:#ff7a63;--warn:#ffb340}
*{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 'DM Sans',system-ui,sans-serif}
h1,h2,h3{font-family:'Bricolage Grotesque','DM Sans',sans-serif;margin:0}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;border-radius:10px;padding:10px 14px;background:var(--line);font-weight:700}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--sun);outline-offset:1px}
.pri{background:var(--sun);color:var(--sunink)}
.pri:disabled{opacity:.45;cursor:not-allowed}
.dng{background:transparent;color:var(--bad)}
input,select{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--card)}
label{display:block;font-size:13px;font-weight:700;margin:12px 0 4px}
.hide{display:none!important}

/* login */
#login{min-height:100vh;display:grid;grid-template-columns:1.4fr 0.8fr}
.sign{background: linear-gradient(rgba(0, 30, 40, 0.75), rgba(0, 30, 40, 0.85)), url('123.jpg'); background-size: cover; background-position: center; color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:center;}
.sign::after{content:"";position:absolute;right:-60px;bottom:-60px;width:260px;height:260px;border-radius:50%;background:var(--sun);opacity:.9}
.sign h1{font-size:clamp(38px,6vw,64px);line-height:1;font-weight:800}
.sign h1 span{background:var(--sun);color:var(--sunink);padding:0 10px;border-radius:8px}
.sign p{max-width:380px;color:#cfe0dd;margin:0}
.formwrap{display:grid;place-items:center;padding:28px}
.lcard{width:100%;max-width:300px}
.lcard h2{font-size:28px;margin-bottom:4px}
.lcard .full{width:100%;margin-top:18px;padding:13px}
.err{color:var(--bad);font-weight:700;min-height:20px;margin-top:10px}
.hint{margin-top:14px;padding:12px;border:1.5px dashed var(--line);border-radius:10px;font-size:13px;color:var(--mute)}

/* app shell */
header{background:var(--brand);color:#fff;display:flex;align-items:center;gap:12px;padding:12px 18px;position:sticky;top:0;z-index:5}
header h1{font-size:20px;flex:1}
header h1 b{color:var(--sun)}
header small{color:#b9cfcb}
header button{background:rgba(255,255,255,.14);color:#fff;padding:8px 12px}
nav{display:flex;gap:6px;padding:10px 18px;background:var(--card);border-bottom:1px solid var(--line);overflow-x:auto}
nav button{background:transparent;white-space:nowrap}
nav button.on{background:var(--sun);color:var(--sunink)}
main{padding:16px 18px 40px;max-width:1200px;margin:auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}

/* POS */
.posgrid{display:grid;grid-template-columns:1fr 360px;gap:16px;align-items:start}
.tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tools input{flex:1;min-width:160px}
.chip{background:var(--card);border:1.5px solid var(--line);padding:7px 12px;border-radius:99px;font-size:13px}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.prod{background:var(--card);border:1.5px solid var(--line);text-align:left;padding:12px;border-radius:12px;display:flex;flex-direction:column;gap:4px;min-height:96px}
.prod:hover:not(:disabled){border-color:var(--sun)}
.prod:active:not(:disabled){transform:scale(.97)}
.prod:disabled{opacity:.5;cursor:not-allowed}
.prod .n{font-weight:700;line-height:1.2}
.prod .p{font-family:'Bricolage Grotesque',sans-serif;font-size:18px;font-weight:800;margin-top:auto}
.prod .s{font-size:12px;color:var(--mute)}
.prod .s.low{color:var(--warn);font-weight:700}
.cart{position:sticky;top:70px}
.cart h2{font-size:20px;margin-bottom:8px}
.line{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.line .q{display:flex;align-items:center;gap:6px}
.line .q button{padding:2px 10px;font-size:18px;line-height:1.2}
.empty{color:var(--mute);padding:22px 0;text-align:center}
.tot{display:flex;justify-content:space-between;font-family:'Bricolage Grotesque',sans-serif;font-size:26px;font-weight:800;margin:14px 0 6px}
.quick{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.quick button{flex:1;padding:8px 4px;font-size:13px}
.chg{display:flex;justify-content:space-between;margin-top:10px;font-weight:700}
.chg.bad{color:var(--bad)}.chg.ok{color:var(--ok)}
.cart .pri{width:100%;margin-top:12px;padding:14px;font-size:16px}

/* tables & stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.stat b{display:block;font-family:'Bricolage Grotesque',sans-serif;font-size:26px}
.stat span{color:var(--mute);font-size:13px}
.bar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.bar h2{font-size:22px}
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
th{font-size:13px;color:var(--mute)}
td.r,th.r{text-align:right}
.tag{padding:2px 9px;border-radius:99px;font-size:12px;font-weight:700;background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.tag.low{background:color-mix(in srgb,var(--warn) 20%,transparent);color:var(--warn)}
.tag.out{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}
td .act{display:flex;gap:4px;justify-content:flex-end}
td .act button{padding:6px 10px;font-size:13px}

/* modal & toast */
.ov{position:fixed;inset:0;background:rgba(5,15,18,.6);display:grid;place-items:center;padding:16px;z-index:20}
.modal{background:var(--card);border-radius:16px;padding:22px;width:100%;max-width:420px;max-height:90vh;overflow:auto}
.modal h2{font-size:22px;margin-bottom:4px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mact{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.rcpt{font-family:ui-monospace,Menlo,monospace;font-size:13px;border:1.5px dashed var(--line);border-radius:10px;padding:12px;margin-top:10px}
.rcpt div{display:flex;justify-content:space-between;gap:8px}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--brand);color:#fff;padding:10px 18px;border-radius:99px;z-index:30;font-weight:700}

@media (max-width:860px){
 #login{grid-template-columns:1fr}.sign{padding:32px 24px 56px}.sign::after{width:140px;height:140px}
 .posgrid{grid-template-columns:1fr}.cart{position:static}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* v2 additions */
.sign{position:relative;overflow:hidden}
.stack{display:grid;gap:16px;max-width:560px}
.note{color:var(--mute);font-size:13px;margin:6px 0 0}
.tw.s table{min-width:0}