/* RetailPOS — teal-ink shell, marigold for money actions, receipt-tape POS cart.
   Palette: ink #12343B · marigold #E8A317 · paper #F3F6F5 · text #1B2426 · ok #1F7A4D · bad #C23B22 */
:root {
  --ink: #12343B; --ink-2: #1B4A53; --ink-3: #2C6470; --gold: #E8A317; --gold-soft: #FDF3DC;
  --paper: #F3F6F5; --card: #FFFFFF; --line: #DCE3E1; --line-2: #C3CFCC; --text: #1B2426; --muted: #5E6E71;
  --ok: #1F7A4D; --ok-soft: #E3F2EA; --bad: #C23B22; --bad-soft: #FBE7E2; --warn: #9A6200; --warn-soft: #FFF3D6;
  --r: 6px; --r-lg: 10px; --side: 228px; --top: 54px;
  --font: "IBM Plex Sans", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --paper: #0E1C1F; --card: #152A2E; --line: #24403F; --line-2: #2F514E; --text: #E6EFED; --muted: #98ACA9; --gold-soft: #3A2E10; --ok-soft: #13342A; --bad-soft: #3B1C16; --warn-soft: #3A2C0E; } }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.45 var(--font); color: var(--text); background: var(--paper); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--ink-3); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
[hidden] { display: none !important; }
.muted { color: var(--muted); } .bad { color: var(--bad); } .ok { color: var(--ok); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; } .grow { flex: 1; }

/* ── shell ── */
#app { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); grid-template-rows: var(--top) 1fr; min-height: 100vh; }
.top { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding: 0 16px; background: var(--ink); color: #fff; position: sticky; top: 0; z-index: 30; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 600; font-size: 15.5px; }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon-btn { background: transparent; border: 0; color: inherit; font-size: 20px; line-height: 1; padding: 6px 8px; border-radius: var(--r); cursor: pointer; }
.icon-btn:hover { background: rgba(255,255,255,.08); }
.top .menu { display: none; }
.net { font-size: 12px; padding: 3px 10px; border-radius: 99px; background: #1F5B4A; color: #CFF0DF; }
.net.pending { background: var(--gold); color: #2A1E00; } .net.offline { background: var(--bad); color: #fff; }
.branch-pick { background: var(--ink-2); color: #fff; border: 1px solid var(--ink-3); border-radius: var(--r); padding: 5px 8px; }
.branch-fixed { font-size: 13px; color: #BFD7D2; }
.bell { position: relative; background: transparent; border: 0; font-size: 17px; cursor: pointer; padding: 4px 6px; }
.bell .dot { position: absolute; top: -2px; right: -4px; background: var(--gold); color: #1B1405; font-size: 10.5px; font-weight: 700; border-radius: 99px; padding: 0 5px; min-width: 18px; text-align: center; }
.user-btn { white-space: nowrap; background: var(--ink-2); border: 0; color: #fff; border-radius: var(--r); padding: 4px 10px; text-align: left; cursor: pointer; display: flex; flex-direction: column; line-height: 1.2; font-size: 13px; }
.user-btn small { color: #9EC2BB; font-size: 11px; }
.side { background: var(--card); border-right: 1px solid var(--line); overflow-y: auto; height: calc(100vh - var(--top)); position: sticky; top: var(--top); padding: 8px 8px 30px; }
.nav-group p { margin: 14px 10px 4px; font-size: 12.5px; font-weight: 700; color: var(--ink); letter-spacing: .3px; text-transform: uppercase; }
.nav-group a { display: block; padding: 6px 10px; border-radius: var(--r); color: var(--text); text-decoration: none; font-size: 13.5px; font-weight: 600; }
.nav-group a:hover { background: var(--paper); }
.nav-group a.active { background: var(--gold-soft); color: var(--ink); font-weight: 700; box-shadow: inset 3px 0 0 var(--gold); }
#view { grid-column: 2; min-width: 0; padding: 20px 24px 48px; outline: none; }
.loading { padding: 40px; color: var(--muted); }
.empty { padding: 32px 16px; text-align: center; color: var(--muted); }

/* POS takes the whole width; menu button brings the sidebar back */
body.pos-mode #app { grid-template-columns: 0 minmax(0, 1fr); }
body.pos-mode .side { position: fixed; left: 0; top: var(--top); z-index: 40; width: var(--side); transform: translateX(-100%); transition: transform .18s; box-shadow: 6px 0 24px rgba(0,0,0,.15); }
body.pos-mode.nav-open .side { transform: none; }
body.pos-mode .top .menu { display: inline-block; }
body.pos-mode #view { padding: 0; }

/* ── page ── */
.page-head { display: flex; align-items: flex-end; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: -.2px; flex: 1; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; font-weight: 700; color: var(--text); }
.filters input, .filters select { font-weight: 400; }
.filters input, .filters select { min-width: 140px; }
.section { margin-top: 22px; } .section h2, .split h2 { font-weight: 700; font-size: 15px; margin: 0 0 10px; font-weight: 600; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px; }
.panel > h2, .panel > h3 { margin: 0 0 12px; font-size: 15px; font-weight: 700; }

/* ── controls ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 7px 13px; border: 1px solid var(--line-2); background: var(--card); border-radius: var(--r); cursor: pointer; white-space: nowrap; text-decoration: none; color: var(--text); }
.btn:hover { border-color: var(--ink-3); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--gold); border-color: var(--gold); color: #1B1405; font-weight: 600; }
.btn.primary:hover { background: #D9960F; }
.btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.danger { color: var(--bad); border-color: #E5B5AA; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 3px 9px; font-size: 12.5px; }
.btn.block { width: 100%; padding: 10px; }
input, select, textarea { width: 100%; padding: 7px 9px; border: 1px solid var(--line-2); border-radius: var(--r); background: var(--card); }
input[type=checkbox] { width: auto; accent-color: var(--ink); }
textarea { resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field > span { font-size: 12.5px; font-weight: 700; color: var(--text); }
.field > span b { color: var(--bad); }
.field small { font-size: 12px; color: var(--muted); }
.field.full { grid-column: 1 / -1; }
.field.check { flex-direction: row-reverse; justify-content: flex-end; align-items: center; gap: 8px; padding-top: 18px; }
.field.check > span { color: var(--text); font-size: 14px; }

/* ── tables ── */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); }
table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td { padding: 8px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.grid th { font-size: 12.5px; font-weight: 700; color: var(--text); background: var(--paper); white-space: nowrap; }
table.grid th.num, table.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.grid tbody tr:last-child td { border-bottom: 0; }
table.grid tr.clickable { cursor: pointer; }
table.grid tbody tr:hover { background: color-mix(in srgb, var(--gold-soft) 55%, transparent); }
table.grid tfoot td { font-weight: 600; background: var(--paper); border-top: 2px solid var(--line-2); }
table.grid td input { padding: 4px 7px; }
.pager { display: flex; justify-content: flex-end; align-items: center; gap: 8px; padding: 10px 2px; font-size: 13px; color: var(--muted); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; background: var(--paper); border: 1px solid var(--line); white-space: nowrap; }
.badge.completed, .badge.received, .badge.delivered, .badge.paid, .badge.approved, .badge.posted, .badge.open, .badge.present, .badge.true, .badge.ok, .badge.info { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.cancelled, .badge.returned, .badge.failed, .badge.unpaid, .badge.absent, .badge.false, .badge.bad, .badge.danger { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.badge.requested, .badge.pending, .badge.partial, .badge.partial_return, .badge.dispatched, .badge.processing, .badge.shipped, .badge.held, .badge.draft, .badge.warn, .badge.warning { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

/* ── dashboard: one ledger strip, then working lists ── */
.ledger { display: grid; grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.ledger > div { padding: 14px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ledger span { display: block; font-size: 12.5px; color: var(--muted); }
.ledger b { display: block; font-size: 21px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }
.ledger small { font-size: 12px; color: var(--muted); }
.ledger .lead { background: var(--ink); color: #fff; grid-column: span 2; }
.ledger b > span { display: inline; font-size: inherit; color: inherit; } .ledger b > span.bad { color: var(--bad); } .ledger .lead span, .ledger .lead small { color: #9EC2BB; }
.ledger .lead b { font-size: 32px; color: var(--gold); }
.bars { display: flex; align-items: flex-end; gap: 5px; height: 160px; padding: 6px 0 20px; }
.bars div { flex: 1; background: var(--ink-3); border-radius: 3px 3px 0 0; position: relative; min-height: 2px; }
.bars div:hover { background: var(--gold); }
.bars div span { position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--muted); white-space: nowrap; }
.hbar { display: grid; grid-template-columns: minmax(90px, 140px) 1fr auto; gap: 10px; align-items: center; margin: 7px 0; font-size: 13px; }
.hbar .track { height: 10px; background: var(--paper); border-radius: 2px; position: relative; overflow: hidden; }
.hbar .track i { position: absolute; inset: 0 auto 0 0; background: var(--ink-3); }
.hbar .track em { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--gold); }

/* ── POS: product wall on the left, receipt tape on the right ── */
.pos { display: grid; grid-template-columns: minmax(0, 1fr) 410px; height: calc(100vh - var(--top)); }
.pos-left { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px; min-width: 0; min-height: 0; }
.pos-bar { display: flex; gap: 8px; }
.pos-bar select { width: 140px; }
.scan { font-size: 17px; padding: 11px 14px; border: 2px solid var(--ink); border-radius: 8px; flex: 1; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; flex-shrink: 0; }
.chip { text-decoration: none; color: inherit; border: 1px solid var(--line-2); background: var(--card); border-radius: 99px; padding: 4px 13px; cursor: pointer; white-space: nowrap; }
.chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 8px; overflow-y: auto; align-content: start; flex: 1; min-height: 0; }
.pcard { display: flex; flex-direction: column; gap: 2px; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px; cursor: pointer; min-height: 96px; }
.pcard:hover { border-color: var(--gold); }
.pcard:active { transform: scale(.985); }
.pcard.out { opacity: .55; }
.pname { font-weight: 600; font-size: 13.5px; line-height: 1.25; }
.pvar { font-size: 12px; color: var(--muted); }
.pfoot { margin-top: auto; display: flex; justify-content: space-between; align-items: baseline; font-variant-numeric: tabular-nums; }
.pfoot small { font-size: 11.5px; color: var(--muted); }
.tape { display: flex; flex-direction: column; min-height: 0; background: var(--card); border-left: 1px solid var(--line); }
.tape-head { padding: 12px 14px; border-bottom: 1px dashed var(--line-2); }
.cust { width: 100%; text-align: left; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; cursor: pointer; }
.cust small { color: var(--muted); font-size: 12px; }
.tape .lines { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.tape .lines li { padding: 9px 14px; border-bottom: 1px dashed var(--line); }
.l-top { display: flex; justify-content: space-between; gap: 10px; font-variant-numeric: tabular-nums; }
.l-name { font-weight: 600; font-size: 13.5px; } .l-name small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.l-ctl { display: flex; align-items: center; gap: 5px; margin-top: 5px; flex-wrap: wrap; }
.q { width: 28px; height: 28px; border: 1px solid var(--line-2); background: var(--paper); border-radius: 6px; cursor: pointer; font-size: 15px; }
.qin { width: 58px; padding: 3px 6px; text-align: right; }
.link { background: none; border: 0; color: var(--ink-3); text-decoration: underline dotted; cursor: pointer; padding: 2px 4px; font-variant-numeric: tabular-nums; }
.tag { font-size: 11.5px; padding: 1px 7px; border-radius: 99px; background: var(--bad-soft); color: var(--bad); }
.tag.promo { background: var(--ok-soft); color: var(--ok); }
.x { margin-left: auto; background: none; border: 0; font-size: 18px; color: var(--muted); cursor: pointer; padding: 0 6px; }
.x:hover { color: var(--bad); }
.tape-empty { flex: 1; display: grid; place-items: center; color: var(--muted); padding: 30px; text-align: center; margin: 0; }
.tape-foot { border-top: 1px solid var(--line); padding: 10px 14px 14px; font-variant-numeric: tabular-nums; background: linear-gradient(var(--card), var(--card)) padding-box; }
.trow { display: flex; justify-content: space-between; padding: 2px 0; font-size: 13.5px; }
.grand { display: flex; justify-content: space-between; align-items: baseline; border-top: 2px solid var(--ink); margin-top: 6px; padding-top: 6px; }
.grand strong { font-size: 30px; font-weight: 700; letter-spacing: -.5px; }
.tape-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.tape-actions .btn.ghost { padding: 7px 4px; font-size: 13px; }
.btn.pay { grid-column: 1 / -1; background: var(--gold); border-color: var(--gold); color: #1B1405; font-size: 17px; font-weight: 700; padding: 13px; display: flex; justify-content: space-between; }
.btn.pay small { font-weight: 400; font-size: 12px; opacity: .7; }
.offline-note { margin: 8px 0 0; font-size: 12px; color: var(--warn); }
.paybox { display: flex; flex-direction: column; gap: 12px; }
.pay-total { display: flex; justify-content: space-between; align-items: baseline; background: var(--ink); color: #fff; border-radius: 8px; padding: 12px 16px; }
.pay-total strong { font-size: 28px; color: var(--gold); font-variant-numeric: tabular-nums; }
.pay-lines { display: flex; flex-direction: column; gap: 6px; }
.pay-line { display: grid; grid-template-columns: 130px 1fr 1fr 30px; gap: 6px; }
.quick { display: flex; gap: 6px; flex-wrap: wrap; }
.change { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 14px; border-radius: 8px; background: var(--ok-soft); color: var(--ok); }
.change strong { font-size: 22px; font-variant-numeric: tabular-nums; }
.change.due { background: var(--warn-soft); color: var(--warn); }
.pick-list { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; max-height: 320px; overflow-y: auto; }
.pick { display: flex; flex-direction: column; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 6px; padding: 7px 10px; cursor: pointer; }
.pick.row { flex-direction: row; align-items: center; padding: 0; }
.pick.row > button.grow { display: flex; flex-direction: column; text-align: left; background: none; border: 0; padding: 7px 10px; cursor: pointer; }
.pick:hover { border-color: var(--gold); }
.pick span { font-size: 12.5px; color: var(--muted); }

/* item picker used on purchase / transfer / order screens */
.picker { position: relative; }
.picker-list { position: absolute; left: 0; right: 0; top: 100%; z-index: 20; background: var(--card); border: 1px solid var(--line-2); border-radius: var(--r); max-height: 260px; overflow-y: auto; box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.picker-list button { display: block; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: none; padding: 7px 10px; cursor: pointer; }
.picker-list button:hover, .picker-list button.on { background: var(--gold-soft); }
.doc-total { display: flex; justify-content: flex-end; gap: 24px; padding: 10px 4px; font-variant-numeric: tabular-nums; }
.doc-total b { font-size: 18px; }
.steps { display: flex; gap: 0; margin: 8px 0 14px; }
.steps span { flex: 1; text-align: center; padding: 6px; font-size: 12.5px; border-bottom: 3px solid var(--line); color: var(--muted); }
.steps span.done { border-color: var(--ok); color: var(--ok); } .steps span.now { border-color: var(--gold); color: var(--text); font-weight: 600; }
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 4px 12px; }
.perm-grid label { display: flex; gap: 6px; align-items: center; font-size: 13px; }
.alerts { list-style: none; margin: 0; padding: 0; }
.alerts li { display: flex; flex-direction: column; padding: 9px 12px; border-left: 3px solid var(--ink-3); margin-bottom: 6px; background: var(--paper); border-radius: 0 6px 6px 0; }
.alerts li.warning { border-color: var(--gold); } .alerts li.danger { border-color: var(--bad); }
.alerts small { color: var(--muted); font-size: 12px; }

/* ── modal & toast ── */
.overlay { position: fixed; inset: 0; background: rgba(8, 24, 27, .5); display: grid; place-items: center; padding: 16px; z-index: 100; }
.modal { background: var(--card); border-radius: 12px; width: min(620px, 100%); max-height: 92vh; display: flex; flex-direction: column; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.modal.wide { width: min(1060px, 100%); }
.modal-head { display: flex; align-items: center; padding: 12px 16px 12px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 16px; flex: 1; }
.modal-head .icon-btn { color: var(--muted); }
.modal-body { padding: 16px 20px; overflow-y: auto; }
.modal-body h4 { margin: 16px 0 8px; font-size: 13.5px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--line); }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 300; }
.toast { background: var(--ok); color: #fff; padding: 10px 14px; border-radius: 8px; max-width: 380px; box-shadow: 0 8px 22px rgba(0,0,0,.2); animation: tin .18s ease-out; }
.toast.bad { background: var(--bad); } .toast.warn { background: var(--gold); color: #1B1405; }
@keyframes tin { from { transform: translateY(8px); opacity: 0; } }

/* ── login: a receipt being printed ── */
body.is-login #app { display: block; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: var(--ink); background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 44px); }
.login-card { width: min(380px, 100%); background: var(--card); padding: 28px 26px 30px; border-radius: 4px 4px 0 0; position: relative;
  -webkit-mask: radial-gradient(9px at 50% 100%, #0000 98%, #000) 50% / 18px 100%; mask: radial-gradient(9px at 50% 100%, #0000 98%, #000) 50% calc(100% + 0px) / 18px 100% ; padding-bottom: 38px; }
.brand-lock { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px dashed var(--line-2); }
.brand-lock strong { display: block; font-size: 20px; } .brand-lock small { color: var(--muted); }
.login-card .form-grid { grid-template-columns: 1fr; }

/* ── responsive ── */
@media (max-width: 1100px) { .pos { grid-template-columns: minmax(0, 1fr) 350px; } }
@media (max-width: 860px) {
  #app { grid-template-columns: 0 minmax(0, 1fr); }
  .side { position: fixed; left: 0; top: var(--top); z-index: 40; width: var(--side); transform: translateX(-100%); transition: transform .18s; box-shadow: 6px 0 24px rgba(0,0,0,.15); }
  body.nav-open .side { transform: none; }
  .top .menu { display: inline-block; }
  .user-btn small, .branch-fixed, .logo { font-size: 0; } .logo img { width: 26px; }
  #view { padding: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .pos { grid-template-columns: 1fr; height: auto; }
  .pgrid { max-height: 42vh; }
  .tape { border-left: 0; border-top: 1px solid var(--line); }
  .pay-line { grid-template-columns: 1fr 1fr; }
  .ledger { grid-template-columns: 1fr 1fr; }
}
@media print { .top, .side, .actions, .filters, .pager { display: none !important; } #app { display: block; } #view { padding: 0; } body { background: #fff; } }