/* ==========================================================================
   StockBook Inventory & Billing — kirana inventory and GST billing (demo)
   Palette: ledger paper, deep ledger green, saffron and brick accents
   Type: IBM Plex Sans (interface), IBM Plex Mono (figures), IBM Plex Serif (invoice)
   ========================================================================== */

:root {
  --bg: #F4F3EE;
  --paper: #FFFFFF;
  --paper-2: #FAFAF6;
  --line: #E3E1D8;
  --line-2: #D3D0C4;
  --ink: #1B2420;
  --dim: #4D5953;
  --faint: #66716B;
  --green: #1F5C45;
  --green-d: #174636;
  --green-2: #2F7A5D;
  --green-soft: #E3EFE8;
  --saffron: #E0A21B;
  --saffron-d: #8F6205;
  --saffron-soft: #FBF0D6;
  --brick: #B5432F;
  --brick-soft: #F8E4DF;
  --f-ui: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  --f-serif: 'IBM Plex Serif', Georgia, serif;
  --r: 12px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --shadow: 0 18px 50px -28px rgba(27, 36, 32, .35);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 15px/1.5 var(--f-ui); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body { background-image: linear-gradient(rgba(31, 92, 69, .035) 1px, transparent 1px); background-size: 100% 28px; }
h1, h2, h3, p, ol, ul, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
fieldset { border: 0; padding: 0; min-width: 0; }
a { color: var(--green); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 2.5px solid var(--saffron); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--green); color: #fff; }
.sprite { position: absolute; }
.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--green); color: #fff; padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }
.mono { font-family: var(--f-mono); }
.dim { color: var(--dim); }
.noscript { padding: 20px; border: 1px solid var(--line-2); border-radius: var(--r); margin-bottom: 20px; background: var(--paper); }
.only-m { display: none; }
#printSheet { display: none; }

/* ------------------------------ Shell ------------------------------ */
.app { display: grid; grid-template-columns: 244px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 14px; padding: 18px 14px 16px; background: var(--paper); border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 11px; padding: 2px 6px 10px; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--green); flex: none; }
.brand-mark svg { width: 32px; height: 32px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font: 700 19px/1 var(--f-ui); letter-spacing: -.01em; }
.brand-text small { font-size: 12px; color: var(--faint); margin-top: 3px; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-group { font: 600 11px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); padding: 12px 10px 5px; }
.nav-link { position: relative; display: flex; align-items: center; gap: 11px; padding: 9px 10px; border-radius: 8px; color: var(--dim); font-weight: 500; text-decoration: none; transition: background .15s, color .15s; }
.nav-link:hover { background: var(--bg); color: var(--ink); }
.nav-link.is-active { background: var(--green-soft); color: var(--green); font-weight: 600; }
.nav-link.is-active::before { content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--green); }
.nav-count { margin-left: auto; font: 600 11.5px var(--f-mono); padding: 2px 7px; border-radius: 99px; background: var(--bg); color: var(--dim); }
.nav-count.is-warn { background: var(--brick-soft); color: var(--brick); }
.nav-count[hidden] { display: none; }
.shop-card { margin-top: auto; display: flex; gap: 10px; padding: 12px; border-radius: 10px; background: var(--paper-2); border: 1px dashed var(--line-2); }
.shop-ic { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--saffron-soft); color: var(--saffron-d); flex: none; }
.shop-card b { display: block; font-size: 13.5px; font-weight: 600; }
.shop-card small { display: block; font-size: 11.5px; color: var(--faint); }
.side-foot { display: flex; flex-direction: column; gap: 8px; padding: 0 4px; }
.btn-reset { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; font-size: 13px; font-weight: 600; color: var(--dim); padding: 7px 11px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--paper); }
.btn-reset:hover { color: var(--brick); border-color: var(--brick); }
.btn-reset .ic { width: 15px; height: 15px; }
.credit { font-size: 12px; color: var(--faint); }

.main-col { min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 12px 30px; min-height: 64px; background: rgba(244, 243, 238, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.tb-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.tb-title h1 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.demo-badge { font: 600 11px var(--f-mono); letter-spacing: .04em; text-transform: uppercase; padding: 4px 9px; border-radius: 6px; color: var(--saffron-d); background: var(--saffron-soft); border: 1px solid #EED49A; white-space: nowrap; }
.tb-date { margin-left: auto; font-size: 13px; color: var(--faint); white-space: nowrap; }
.tb-actions { display: flex; gap: 8px; }
main { padding: 26px 30px 48px; outline: none; flex: 1; }
.view[hidden] { display: none !important; }
.view.is-active { animation: fadeUp .3s var(--ease); }
@keyframes fadeUp { from { opacity: .4; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.view { scroll-margin-top: 80px; }
.mobile-foot { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 15px; border-radius: 8px; font-weight: 600; font-size: 14px; white-space: nowrap; text-decoration: none; transition: background .15s, border-color .15s, color .15s; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-d); }
.btn-line { border: 1px solid var(--line-2); background: var(--paper); color: var(--ink); }
.btn-line:hover { border-color: var(--green); color: var(--green); }
.btn-danger { background: var(--brick); color: #fff; }
.btn-sm { height: 32px; padding: 0 11px; font-size: 13px; }
.btn-wide { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; color: var(--faint); }
.icon-btn:hover { background: var(--bg); color: var(--brick); }
.link { font-size: 13px; font-weight: 600; color: var(--green); white-space: nowrap; }
.link-btn { font-size: 13px; font-weight: 600; color: var(--green); text-decoration: underline; text-underline-offset: 3px; justify-self: start; }

/* Headings */
.view-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.view-head h2 { font-size: clamp(26px, 2.6vw, 34px); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin-bottom: 4px; }
.eyebrow { font: 600 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--green-2); margin-bottom: 6px; }

/* Cards & grid */
.grid { display: grid; gap: 16px; margin-bottom: 16px; }
.g-main { grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); }
.g-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-stock { grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); align-items: start; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; min-width: 0; box-shadow: 0 1px 0 rgba(27, 36, 32, .03); }
.card-h { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.card-h.pad { padding: 18px 18px 0; }
.card-h h3, .stock-form h3 { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; }
.card-h h3 .ic { color: var(--brick); }
.sub { font-size: 13px; color: var(--faint); margin-top: 2px; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.kpi { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; overflow: hidden; }
.kpi::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--k, var(--green)); }
.kpi-l { font: 600 11.5px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.kpi-v { font: 600 30px/1.1 var(--f-mono); letter-spacing: -.02em; margin: 10px 0 6px; }
.kpi-f { font-size: 13px; color: var(--dim); }
.up { color: var(--green-2); font-weight: 600; }
.down { color: var(--brick); font-weight: 600; }

/* Charts */
.chart { position: relative; min-height: 260px; }
.chart-lg { min-height: 300px; }
.chart svg { display: block; overflow: visible; }
.chart .gl { stroke: var(--line); stroke-dasharray: 3 4; }
.chart .ax { fill: var(--faint); font: 500 11px var(--f-mono); }
.chart .area { fill: url(#sbArea); }
.chart .lineP { fill: none; stroke: var(--green); stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.chart .pt { fill: var(--paper); stroke: var(--green); stroke-width: 2; opacity: 0; transition: opacity .15s; }
.chart .col:hover .pt, .chart .col:focus .pt, .chart .pt.last { opacity: 1; }
.chart .col { outline: none; }
.chart .col:hover .hit, .chart .col:focus-visible .hit { fill: rgba(31, 92, 69, .06); }
.chart .tax { fill: var(--green); }
.chart .gst { fill: var(--saffron); }
.chart .lbl { fill: var(--green); font: 600 12px var(--f-mono); }
.tip { position: fixed; z-index: 80; pointer-events: none; background: var(--ink); color: #fff; font: 500 12.5px var(--f-mono); padding: 7px 10px; border-radius: 6px; box-shadow: var(--shadow); white-space: nowrap; transform: translate(-50%, calc(-100% - 10px)); }
.key { display: flex; gap: 14px; font-size: 12.5px; color: var(--dim); flex-wrap: wrap; }
.key li { display: flex; align-items: center; gap: 6px; }
.key i { width: 10px; height: 10px; border-radius: 2px; }
.k-tax { background: var(--green); }
.k-gst { background: var(--saffron); }

/* Lists */
.alerts { border-top: 3px solid var(--brick); }
.low-list { display: grid; }
.low-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.low-list li:first-child { border-top: 0; padding-top: 2px; }
.low-list b { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.low-list small { font: 500 12px var(--f-mono); color: var(--faint); }
.low-list .lvl { grid-column: 1 / 2; }
.low-list .btn { grid-row: 1 / 3; grid-column: 2; }
.low-empty { color: var(--dim); padding: 16px 0; }
.meter { height: 6px; border-radius: 4px; background: var(--bg); overflow: hidden; margin-top: 4px; }
.meter i { display: block; height: 100%; border-radius: inherit; background: var(--green-2); }
.meter i.low { background: var(--saffron); }
.meter i.out { background: var(--brick); }
.top-list { display: grid; counter-reset: t; }
.top-list li { counter-increment: t; display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 2px 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line); }
.top-list li:first-child { border-top: 0; }
.top-list li::before { content: counter(t, decimal-leading-zero); grid-row: 1 / 3; font: 600 13px var(--f-mono); color: var(--saffron-d); }
.top-list b { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-list small { grid-column: 2; font-size: 12px; color: var(--faint); }
.top-list .amt { grid-row: 1 / 3; grid-column: 3; font: 600 14px var(--f-mono); }

/* Tables */
.table-card { padding: 0; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font: 600 11px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--paper-2); white-space: nowrap; }
.table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--paper-2); }
.table .num { text-align: right; font-family: var(--f-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.table .pname b { display: block; font-weight: 600; }
.table .pname small { font: 500 12px var(--f-mono); color: var(--faint); }
.table .empty-row td { text-align: center; padding: 34px 14px; color: var(--dim); }
.table tr.flash { animation: flash 1.6s var(--ease); }
@keyframes flash { 0%, 40% { background: var(--saffron-soft); } 100% { background: transparent; } }
.stock-cell { min-width: 120px; }
.stock-cell b { font: 600 14px var(--f-mono); }
.stock-cell small { font: 500 11.5px var(--f-mono); color: var(--faint); }
.badge { display: inline-block; font: 600 11.5px var(--f-mono); padding: 3px 8px; border-radius: 5px; white-space: nowrap; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.low { background: var(--saffron-soft); color: var(--saffron-d); }
.badge.out { background: var(--brick-soft); color: var(--brick); }
.badge.in { background: var(--green-soft); color: var(--green); }
.badge.mode { background: var(--bg); color: var(--dim); }
.row-acts { display: flex; gap: 6px; justify-content: flex-end; }
.more { padding: 12px 14px; border-top: 1px solid var(--line); display: flex; justify-content: center; }
.more:empty { display: none; }

/* Toolbar */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.field-search { position: relative; flex: 1 1 240px; display: flex; align-items: center; }
.field-search .ic { position: absolute; left: 11px; color: var(--faint); }
.field-search input { padding-left: 36px !important; }
input:not([type="radio"]), select, textarea { width: 100%; height: 40px; padding: 0 11px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--paper); outline: none; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
select { appearance: none; -webkit-appearance: none; padding-right: 30px; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%), linear-gradient(135deg, var(--dim) 50%, transparent 50%); background-position: calc(100% - 15px) 17px, calc(100% - 10px) 17px; background-size: 5px 5px; background-repeat: no-repeat; }
.toolbar select { width: auto; min-width: 170px; }
[aria-invalid="true"] { border-color: var(--brick) !important; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { height: 36px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--paper); font-size: 13px; font-weight: 600; color: var(--dim); display: inline-flex; align-items: center; gap: 6px; }
.chip b { font: 600 11px var(--f-mono); padding: 1px 6px; border-radius: 5px; background: var(--bg); }
.chip[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #fff; }
.chip[aria-pressed="true"] b { background: rgba(255, 255, 255, .2); }

/* Forms */
.f { display: grid; gap: 5px; align-content: start; min-width: 0; }
.f label, legend { font-size: 13px; font-weight: 600; color: var(--dim); }
.f label i { color: var(--brick); font-style: normal; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.err { font-size: 12.5px; color: var(--brick); font-weight: 500; }
.err:empty { display: none; }
.stock-form { display: grid; gap: 14px; }
.seg-type { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; background: var(--bg); border-radius: 10px; }
.seg-type label { position: relative; }
.seg-type input { position: absolute; opacity: 0; inset: 0; }
.seg-type span { display: flex; align-items: center; justify-content: center; gap: 8px; height: 38px; border-radius: 7px; font-weight: 600; font-size: 14px; color: var(--dim); cursor: pointer; }
.seg-type input:checked + span { background: var(--paper); color: var(--green); box-shadow: 0 1px 3px rgba(27, 36, 32, .12); }
.seg-type input[value="out"]:checked + span { color: var(--brick); }
.seg-type input:focus-visible + span { outline: 2.5px solid var(--saffron); }
.stock-preview { font: 500 13px var(--f-mono); color: var(--dim); background: var(--paper-2); border: 1px dashed var(--line-2); padding: 10px 12px; border-radius: 8px; }
.stock-preview:empty { display: none; }
.ledger-tools select { width: auto; min-width: 160px; height: 34px; font-size: 13px; }

.seg { display: inline-flex; padding: 3px; gap: 2px; background: var(--paper); border: 1px solid var(--line); border-radius: 9px; }
.seg button { height: 32px; padding: 0 12px; border-radius: 6px; font-size: 13px; font-weight: 600; color: var(--dim); }
.seg button[aria-pressed="true"] { background: var(--green); color: #fff; }

/* Invoice builder */
.builder { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.inv-form { display: grid; gap: 18px; }
.inv-form fieldset { display: grid; gap: 10px; }
legend { font: 600 11.5px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--green-2); margin-bottom: 10px; padding: 0; }
.items-head, .item { display: grid; grid-template-columns: minmax(0, 1fr) 58px 84px 70px 92px 30px; gap: 6px; align-items: center; }
.items-head { font: 600 10.5px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); padding: 0 2px; }
.items { display: grid; gap: 8px; }
.item { padding: 8px; border-radius: 9px; background: var(--paper-2); border: 1px solid var(--line); }
.item input, .item select { height: 36px; font-size: 13.5px; padding: 0 8px; }
.item select { padding-right: 24px; background-position: calc(100% - 13px) 15px, calc(100% - 8px) 15px; }
.item .amt { font: 600 13.5px var(--f-mono); text-align: right; }
.item .custom { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) 110px; gap: 6px; }
.item .warn { grid-column: 1 / -1; font-size: 12px; color: var(--brick); font-weight: 500; }
.item .warn:empty { display: none; }
.num { text-align: right; }
.totals-mini { display: grid; gap: 4px; font: 500 13.5px var(--f-mono); padding: 12px 14px; border-radius: 9px; background: var(--green-soft); color: var(--green-d); }
.totals-mini div { display: flex; justify-content: space-between; gap: 12px; }
.totals-mini .grand { font-size: 17px; font-weight: 600; border-top: 1px solid rgba(31, 92, 69, .2); padding-top: 6px; margin-top: 2px; }
.totals-mini .words { font: 500 12.5px var(--f-ui); }
.inv-actions { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.preview-wrap { position: sticky; top: 84px; }
.preview-label { display: flex; justify-content: space-between; font: 600 11.5px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }

/* The invoice sheet (screen + print) */
.paper { background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow); padding: 26px; color: #111; font-size: 12.5px; }
.inv-top { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 2px solid #1F5C45; }
.inv-shop h3 { font: 600 21px/1.15 var(--f-serif); color: #1F5C45; }
.inv-shop p { color: #444; line-height: 1.45; }
.inv-title { text-align: right; }
.inv-title strong { display: block; font: 600 15px var(--f-mono); letter-spacing: .14em; }
.inv-title p { font: 500 12px var(--f-mono); color: #444; line-height: 1.6; }
.inv-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid #ddd; }
.inv-parties h4 { margin: 0 0 3px; font: 600 10.5px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: #1F5C45; }
.inv-parties p { line-height: 1.45; }
.inv-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 11.5px; }
.inv-table th { font: 600 10px var(--f-mono); letter-spacing: .04em; text-transform: uppercase; text-align: left; padding: 6px 5px; background: #F1F5F2; border-bottom: 1px solid #c9d6cf; }
.inv-table td { padding: 6px 5px; border-bottom: 1px solid #eee; vertical-align: top; }
.inv-table .n { text-align: right; font-family: var(--f-mono); white-space: nowrap; }
.inv-table small { color: #666; }
.inv-sum { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.tax-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.tax-table th, .tax-table td { padding: 4px 5px; border: 1px solid #e3e3e3; text-align: right; font-family: var(--f-mono); }
.tax-table th { font-size: 9.5px; letter-spacing: .04em; text-transform: uppercase; background: #FAFAF6; }
.tax-table th:first-child, .tax-table td:first-child { text-align: left; }
.inv-totals { display: grid; gap: 3px; font-family: var(--f-mono); }
.inv-totals div { display: flex; justify-content: space-between; gap: 12px; }
.inv-totals .g { font-size: 15px; font-weight: 600; border-top: 2px solid #1F5C45; padding-top: 6px; margin-top: 4px; color: #1F5C45; }
.inv-words { margin-top: 12px; padding: 8px 10px; background: #FBF0D6; border-radius: 4px; font-size: 12px; }
.inv-words b { font: 600 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; display: block; color: #8F6205; }
.inv-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-top: 18px; font-size: 11px; color: #555; }
.inv-sign { text-align: right; }
.inv-sign span { display: block; width: 160px; border-top: 1px solid #999; margin: 26px 0 4px auto; }
.inv-empty { padding: 26px 0; text-align: center; color: #777; font-style: italic; }

/* Category bars */
.cat-bars { display: grid; gap: 12px; }
.cat-bars li { display: grid; gap: 5px; }
.cat-top { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; }
.cat-top b { font: 600 13px var(--f-mono); }
.cat-bar { height: 10px; border-radius: 3px; background: var(--bg); overflow: hidden; }
.cat-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--green-2)); }

/* Dialogs */
.dlg { border: 1px solid var(--line); border-radius: 14px; padding: 0; width: min(600px, calc(100vw - 24px)); max-height: calc(100vh - 32px); background: var(--paper); color: var(--ink); box-shadow: var(--shadow); }
.dlg-wide { width: min(860px, calc(100vw - 24px)); }
.dlg-xs { width: min(400px, calc(100vw - 24px)); }
.dlg::backdrop { background: rgba(27, 36, 32, .45); }
.dlg[open] { animation: fadeUp .22s var(--ease); }
.dlg-h { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.dlg-h h2, .dlg-b h2 { font-size: 18px; font-weight: 700; }
.dlg-b { padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dlg-b.one { grid-template-columns: 1fr; gap: 6px; }
.dlg-b .f-wide { grid-column: 1 / -1; }
.dlg-paper { display: block; background: var(--bg); }
.dlg-paper .paper { box-shadow: none; }
.dlg-f { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); flex-wrap: wrap; }

.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 90; display: grid; gap: 8px; }
.toast { display: flex; align-items: center; gap: 10px; padding: 11px 15px; border-radius: 9px; background: var(--ink); color: #fff; font-size: 14px; box-shadow: var(--shadow); max-width: 380px; animation: fadeUp .25s var(--ease); }
.toast .ic { color: #9FD9BE; }
.toast.bad .ic { color: #F3B4A6; }

/* ------------------------------ Responsive ------------------------------ */
@media (max-width: 1240px) {
  .builder { grid-template-columns: minmax(0, 1fr); }
  .preview-wrap { position: static; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .g-main, .g-two, .g-stock { grid-template-columns: minmax(0, 1fr); }
  .tb-date { display: none; }
}
@media (max-width: 860px) {
  .app { display: block; }
  .sidebar { position: static; height: auto; padding: 0; border: 0; background: none; display: block; }
  .brand, .shop-card, .side-foot, .nav-group { display: none; }
  .nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; flex-direction: row; gap: 0; padding: 5px 4px calc(5px + env(safe-area-inset-bottom)); background: var(--paper); border-top: 1px solid var(--line-2); box-shadow: 0 -8px 24px -18px rgba(27, 36, 32, .4); }
  .nav-link { flex: 1; flex-direction: column; gap: 2px; padding: 6px 2px; font-size: 10.5px; text-align: center; border-radius: 8px; min-width: 0; }
  .nav-link .ic { width: 20px; height: 20px; }
  .nav-link.is-active::before { left: 28%; right: 28%; top: -5px; bottom: auto; width: auto; height: 3px; border-radius: 0 0 3px 3px; }
  .nav-count { position: absolute; top: 1px; left: 55%; margin: 0; font-size: 10px; padding: 1px 5px; }
  .hide-m { display: none; }
  .only-m { display: inline; }
  .topbar { padding: 10px 16px; }
  main { padding: 18px 16px 100px; }
  .mobile-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line); }
  .toasts { left: 16px; right: 16px; bottom: 80px; }
  .toast { max-width: none; }
}
@media (max-width: 640px) {
  .tb-actions .btn span { display: none; }
  .tb-actions .btn { width: 40px; padding: 0; }
  .hide-sm { display: none; }
  .tb-title { gap: 8px; }
  .tb-title h1 { font-size: 17px; }
  .demo-badge { font-size: 10px; padding: 3px 7px; }
  .kpis { gap: 10px; }
  .kpi { padding: 13px 14px; }
  .kpi-v { font-size: 22px; }
  .f-row, .dlg-b { grid-template-columns: 1fr; }
  .toolbar select { width: 100%; }
  .items-head { display: none; }
  .item { grid-template-columns: 1fr 1fr 1fr; }
  .item .it-prod { grid-column: 1 / -1; }
  .item .amt { grid-column: 1 / 3; text-align: left; }
  .item .custom { grid-template-columns: 1fr; }
  .paper { padding: 16px; }
  .inv-top, .inv-sum { display: grid; grid-template-columns: 1fr; }
  .inv-title { text-align: left; }
  .inv-parties { grid-template-columns: 1fr; gap: 8px; }
  .inv-table-wrap { overflow-x: auto; }
  .inv-table { min-width: 520px; }

  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
  .table td { padding: 0; border: 0; }
  .table .num { text-align: left; }
  .table td[data-label]::before { content: attr(data-label); display: block; font: 600 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
  .table td.wide { grid-column: 1 / -1; }
  .row-acts { justify-content: flex-start; }
  .table .empty-row { display: block; }
}
@media (max-width: 400px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpi-v { font-size: 19px; }
  .kpi-l { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ------------------------------ Print: only the invoice ------------------------------ */
@page { size: A4; margin: 12mm; }
@media print {
  body { background: #fff !important; }
  body > *:not(#printSheet) { display: none !important; }
  #printSheet { display: block !important; }
  #printSheet .paper { border: 0; box-shadow: none; padding: 0; font-size: 11.5pt; }
  #printSheet .inv-table { min-width: 0; font-size: 10pt; }
  #printSheet .inv-table th { background: #EEF3F0 !important; }
  #printSheet .inv-words { background: #FBF0D6 !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  tr, .inv-sum, .inv-foot { break-inside: avoid; }
}
.card.col { display: flex; flex-direction: column; }
.chart.fill { flex: 1; }