/* Layout: work bench. Order entry on the left, live invoice paper on the right; tabs across the top like cooler-room bins. */
:root{
  --bg:#f3f5f2; --panel:#ffffff; --ink:#18221e; --muted:#5d6b64; --line:#d9e0db; --soft:#e9eeea;
  --accent:#1d6a4c; --accent-ink:#ffffff; --accent-soft:#dcefe5;
  --warn:#9a5b00; --warn-soft:#fbefd9; --bad:#a3271d; --bad-soft:#f8e1de;
  --paper:#fffffd; --paper-ink:#1b1b1b; --paper-line:#c9c9c4;
  --bar:#174f3a; --bar2:#2a8a62; --bar-ink:#ffffff; --bar-muted:#cfe8db;
  /* One colour per area: its tab, its buttons, its panels' top edge and its table headings. */
  --c-receiving:#0e7c86; --cs-receiving:#dcf1f3;
  --c-orders:#2a5db0; --cs-orders:#dfe8f8;
  --c-invoices:#1d6a4c; --cs-invoices:#dcefe5;
  --c-accounting:#6b3fa0; --cs-accounting:#ebe2f6;
  --c-manifest:#b5600d; --cs-manifest:#f9e8d6;
  --c-stock:#8a6a14; --cs-stock:#f5edd3;
  --c-customers:#3f51b5; --cs-customers:#e3e6f7;
  --c-items:#5b7a1f; --cs-items:#e7efd6;
  --c-reports:#3c5a6e; --cs-reports:#e0e8ee;
  --c-setup:#5d6b64; --cs-setup:#e9eeea;
  /* Fonts that are already on the office PCs: nothing is fetched from the internet, so the page comes up at once. */
  --f-display:"Segoe UI","Arial Narrow",Arial,system-ui,sans-serif;
  --f-body:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  --f-mono:Consolas,"Cascadia Mono",ui-monospace,"Courier New",monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#111815; --panel:#18211d; --ink:#e6ece8; --muted:#9aaba2; --line:#2b3832; --soft:#1f2a25;
  --accent:#4fbf8d; --accent-ink:#0c1511; --accent-soft:#1d3a2d;
  --warn:#f0b257; --warn-soft:#3a2c14; --bad:#f08a7e; --bad-soft:#3d1d19;
  --paper:#f4f3ee; --paper-ink:#1b1b1b; --paper-line:#bdbdb6; color-scheme:dark;
  --bar:#0f2e22; --bar2:#1d6a4c; --bar-ink:#ffffff; --bar-muted:#a9cbbb;
  --c-receiving:#4fc3cd; --cs-receiving:#123a3e; --c-orders:#7ea4e8; --cs-orders:#1a2a45; --c-invoices:#4fbf8d; --cs-invoices:#1d3a2d;
  --c-accounting:#b793e6; --cs-accounting:#2c1f44; --c-manifest:#f0a35a; --cs-manifest:#3f2a12; --c-stock:#e0b84a; --cs-stock:#3a2f10;
  --c-customers:#9aa6ea; --cs-customers:#232a4d; --c-items:#a6c75a; --cs-items:#28351a; --c-reports:#8fb0c6; --cs-reports:#1f2d38; --c-setup:#9aaba2; --cs-setup:#1f2a25}}
:root[data-theme="dark"]{
  --bg:#111815; --panel:#18211d; --ink:#e6ece8; --muted:#9aaba2; --line:#2b3832; --soft:#1f2a25;
  --accent:#4fbf8d; --accent-ink:#0c1511; --accent-soft:#1d3a2d;
  --warn:#f0b257; --warn-soft:#3a2c14; --bad:#f08a7e; --bad-soft:#3d1d19;
  --paper:#f4f3ee; --paper-ink:#1b1b1b; --paper-line:#bdbdb6; color-scheme:dark;
  --bar:#0f2e22; --bar2:#1d6a4c; --bar-ink:#ffffff; --bar-muted:#a9cbbb;
  --c-receiving:#4fc3cd; --cs-receiving:#123a3e; --c-orders:#7ea4e8; --cs-orders:#1a2a45; --c-invoices:#4fbf8d; --cs-invoices:#1d3a2d;
  --c-accounting:#b793e6; --cs-accounting:#2c1f44; --c-manifest:#f0a35a; --cs-manifest:#3f2a12; --c-stock:#e0b84a; --cs-stock:#3a2f10;
  --c-customers:#9aa6ea; --cs-customers:#232a4d; --c-items:#a6c75a; --cs-items:#28351a; --c-reports:#8fb0c6; --cs-reports:#1f2d38; --c-setup:#9aaba2; --cs-setup:#1f2a25}
/* each area carries its colour: --area for its tab, buttons and edges, --area-soft for tints */
#view-receiving{--area:var(--c-receiving);--area-soft:var(--cs-receiving)}
#view-orders{--area:var(--c-orders);--area-soft:var(--cs-orders)}
#view-invoices{--area:var(--c-invoices);--area-soft:var(--cs-invoices)}
#view-accounting{--area:var(--c-accounting);--area-soft:var(--cs-accounting)}
#view-manifest{--area:var(--c-manifest);--area-soft:var(--cs-manifest)}
#view-stock{--area:var(--c-stock);--area-soft:var(--cs-stock)}
#view-customers{--area:var(--c-customers);--area-soft:var(--cs-customers)}
#view-items{--area:var(--c-items);--area-soft:var(--cs-items)}
#view-reports{--area:var(--c-reports);--area-soft:var(--cs-reports)}
#view-setup{--area:var(--c-setup);--area-soft:var(--cs-setup)}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.45}
.wrap{max-width:1360px;margin:0 auto;padding-block:18px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;background:linear-gradient(100deg,var(--bar),var(--bar2));color:var(--bar-ink);border-radius:10px;padding:14px 18px 0;box-shadow:0 10px 24px -16px rgba(0,0,0,.5)}
.brand{padding-bottom:12px}
.brand h1{font-family:var(--f-display);font-stretch:80%;font-weight:800;font-size:30px;letter-spacing:.01em;margin:0;line-height:1;text-wrap:balance}
.brand h1::before{content:"";display:inline-block;width:12px;height:12px;border-radius:50% 50% 50% 0;background:#8fd9b4;margin-right:9px;vertical-align:2px;transform:rotate(-45deg)}
.brand p{margin:5px 0 0;color:var(--bar-muted);font-size:13px}
.demo-pill{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--warn-soft);color:var(--warn);padding:3px 8px;border-radius:4px;vertical-align:middle;margin-left:8px}
nav.tabs{display:flex;flex-wrap:wrap;gap:4px}
nav.tabs button{font:600 13px var(--f-body);background:transparent;color:var(--bar-muted);border:1px solid transparent;border-radius:6px 6px 0 0;padding:9px 12px;cursor:pointer}
nav.tabs button[aria-selected="true"]{background:var(--bg);color:var(--accent)}
nav.tabs .tab > button[data-view="receiving"][aria-selected="true"]{color:var(--c-receiving)}
nav.tabs .tab > button[data-view="orders"][aria-selected="true"]{color:var(--c-orders)}
nav.tabs .tab > button[data-view="invoices"][aria-selected="true"]{color:var(--c-invoices)}
nav.tabs .tab > button[data-view="accounting"][aria-selected="true"]{color:var(--c-accounting)}
nav.tabs .tab > button[data-view="manifest"][aria-selected="true"]{color:var(--c-manifest)}
nav.tabs .tab > button[data-view="stock"][aria-selected="true"]{color:var(--c-stock)}
nav.tabs .tab > button[data-view="customers"][aria-selected="true"]{color:var(--c-customers)}
nav.tabs .tab > button[data-view="items"][aria-selected="true"]{color:var(--c-items)}
nav.tabs .tab > button[data-view="reports"][aria-selected="true"]{color:var(--c-reports)}
nav.tabs .tab > button[data-view="setup"][aria-selected="true"]{color:var(--c-setup)}
nav.tabs button:hover:not([aria-selected="true"]){color:var(--bar-ink);background:rgba(255,255,255,.14)}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--area,var(--accent));outline-offset:2px}
nav.tabs .tab > button:focus-visible{outline-color:var(--bar-ink)}
input[type=text]:focus,input[type=date]:focus,input[type=number]:focus,select:focus{border-color:var(--area,var(--accent));outline:none;box-shadow:0 0 0 3px var(--area-soft,var(--accent-soft))}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:7px 12px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--area,var(--muted));color:var(--area,inherit)}
.btn.primary{background:var(--area,var(--accent));color:var(--accent-ink);border-color:var(--area,var(--accent))}
.btn.primary:hover{color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.small{padding:4px 9px;font-size:12px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--bad)}
section.view{margin-top:18px}
.grid-desk{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:20px;align-items:start}
@media (max-width:1000px){.grid-desk{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--area,var(--accent));border-radius:8px;padding:16px;min-width:0;box-shadow:0 1px 2px rgba(20,40,30,.05),0 10px 24px -20px rgba(20,40,30,.35)}
.panel h2{font-family:var(--f-display);font-stretch:85%;font-weight:700;font-size:17px;margin:0 0 10px;letter-spacing:.01em;color:var(--area,var(--ink))}
.panel h3{color:var(--area,var(--ink))}
.label{display:block;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:600}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.field{display:flex;flex-direction:column;min-width:0}
input[type=text],input[type=number],select{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:7px 9px;min-width:0}
input.mono,.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.custcard{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 16px;margin-top:12px;padding:12px;background:var(--area-soft,var(--soft));border-left:4px solid var(--area,var(--accent));border-radius:6px}
.custcard div span{display:block}
.custcard .v{font-weight:600}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 7px;border-radius:999px;background:var(--area-soft,var(--soft));color:var(--area,var(--muted));white-space:nowrap}
.chip.ok{background:var(--accent-soft);color:var(--accent)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.scanbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:14px;padding:10px;border:1px dashed var(--muted);border-radius:6px}
.scanbar input{flex:1 1 260px}
.scanlog{font-family:var(--f-mono);font-size:12px;color:var(--muted);margin-top:6px;min-height:1.4em;overflow-wrap:anywhere}
.tbl-wrap{overflow-x:auto;margin-top:14px}
table{border-collapse:collapse;width:100%}
th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;font-weight:600;padding:7px 6px;background:var(--area-soft,var(--soft));border-bottom:2px solid var(--area,var(--line));white-space:nowrap}
td{padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:top}
td.num,th.num{text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.lines td input{width:100%}
.lines .w-cases{width:64px}
.lines .w-price{width:84px}
.boxes{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}
.box{font-family:var(--f-mono);font-size:11px;padding:1px 6px;border-radius:4px;background:var(--soft);border:1px solid var(--line)}
.box.scan{border-color:var(--accent);color:var(--accent)}
.hint{font-size:12px;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;margin-top:14px}
.totals-strip{display:flex;flex-wrap:wrap;gap:18px;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.totals-strip b{font-size:16px}
/* invoice paper */
.paper{background:var(--paper);color:var(--paper-ink);border-radius:4px;padding:22px 22px 18px;box-shadow:0 1px 0 var(--line),0 10px 30px -18px rgba(0,0,0,.45);font-family:var(--f-body);font-size:12px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);min-width:0}
.paper .ph{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.paper .co b{font-family:var(--f-display);font-stretch:80%;font-size:22px;letter-spacing:.03em;display:block;line-height:1.05}
.paper .co span{display:block;color:#3b3b3b}
.paper .doc{text-align:right}
.paper .doc b{font-family:var(--f-display);font-stretch:85%;font-size:22px;letter-spacing:.08em;display:block}
.paper .addr{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0 10px}
.paper .addr .k{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#666}
.paper .meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--paper-line);margin-bottom:10px}
.paper .meta div{padding:4px 6px;border-right:1px solid var(--paper-line)}
.paper .meta div:last-child{border-right:0}
.paper .meta .k{font-size:9px;letter-spacing:.07em;text-transform:uppercase;color:#666;display:block}
.paper table th{color:#555;background:transparent;border-bottom:1px solid var(--paper-ink);font-size:9.5px}   /* the paper stays paper-coloured in dark mode too */
.paper table td{border-bottom:1px solid var(--paper-line);padding:5px 4px;color:var(--paper-ink)}
.paper .sub{font-family:var(--f-mono);font-size:10px;color:#555;display:block;margin-top:2px}
.paper .tot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:10px;font-family:var(--f-mono)}
.paper .tot .grand{font-size:15px;font-weight:600}
.paper .foot{margin-top:12px;font-size:10px;color:#555;text-align:center;border-top:1px dashed var(--paper-line);padding-top:8px}
.paper .zero td{color:#888}
.empty{color:var(--muted);padding:18px 0;text-align:center}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.mod{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;display:flex;flex-direction:column;gap:6px}
.mod h3{margin:0;font-family:var(--f-display);font-stretch:85%;font-size:16px}
.mod p{margin:0;color:var(--muted);font-size:13px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(18px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:6px;font-weight:600;box-shadow:0 8px 24px -12px rgba(0,0,0,.5);z-index:20;max-width:calc(100% - 32px)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}
tr.clickable{cursor:pointer}
tr.clickable:hover td{background:var(--soft)}
tr.sel td{background:var(--accent-soft)}
.note{font-size:12px;color:var(--muted);margin-top:10px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}