:root {
  --navy: #1f3a5f; --navy-2: #2c4f7c; --bg: #f4f5f7; --card: #fff; --text: #1d2433; --muted: #667085;
  --line: #e4e7ec; --p1: #d9e7f5; --p1-ink: #1f4f86; --p2: #dcefe3; --p2-ink: #1e6b3a; --p3: #f8e3d3; --p3-ink: #8a4a17;
  --input: #fffbea; --red: #b42318; --red-bg: #fdecea; --green: #1e6b3a; --green-bg: #e7f5ec; --info-bg: #eef4fb;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--navy-2); }
h1 { font-size: 1.45rem; margin: 0 0 .25rem; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.strong { font-weight: 700; }
.nowrap { white-space: nowrap; }

/* header */
.top { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 5; }
.top-row { display: flex; justify-content: space-between; align-items: center; padding: .6rem 1rem .2rem; max-width: 1100px; margin: 0 auto; }
.brand { color: #fff; font-weight: 700; text-decoration: none; letter-spacing: .2px; }
.who { display: flex; gap: .8rem; align-items: center; font-size: .88rem; }
.who a { color: #dbe6f5; text-decoration: none; }
.who form { margin: 0; }
.linkbtn { background: none; border: 0; color: #dbe6f5; font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.nav { display: flex; gap: .25rem; overflow-x: auto; padding: .35rem .75rem .55rem; max-width: 1100px; margin: 0 auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: #dbe6f5; text-decoration: none; padding: .35rem .7rem; border-radius: 999px; white-space: nowrap; font-size: .9rem; }
.nav a.on { background: #fff; color: var(--navy); font-weight: 600; }
.nav a.dl { margin-left: auto; border: 1px solid #5d7aa1; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.pagehead { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: .5rem 1rem; margin: .4rem 0 1rem; }
.pagehead > p { flex-basis: 100%; margin: 0; }
.pagehead h2 { margin: 0; }

/* cards & grids */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.card.flush { padding: 0; overflow-x: auto; }
.card.narrow { max-width: 480px; }
.grid3 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 820px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.grid3 .card { margin-bottom: 0; }
.grid3 + .card { margin-top: 1rem; }
.card.prod { border-top: 5px solid; }
.card.prod.p1 { border-top-color: var(--p1-ink); }
.card.prod.p2 { border-top-color: var(--p2-ink); }
.card.prod.p3 { border-top-color: var(--p3-ink); }
.scroll { overflow-x: auto; }

/* tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: .5rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; background: #fafbfc; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl td.big { font-size: 1.15rem; font-weight: 700; }
.tbl tfoot td { border-bottom: 0; font-weight: 600; }
.tbl tr.neg td { background: var(--red-bg); color: var(--red); }
.tbl tr.deleted td { color: #98a2b3; background: #fafafa; }
.tbl tr.deleted .tag { opacity: .5; }
.tbl tr.hl-del td { background: #fff4f2; }
.tbl tr.hl-warn td { background: #fffaf0; }
.stock td:first-child::first-letter { text-transform: uppercase; }

.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: .05rem .45rem; border-radius: 6px; margin-right: .2rem; }
.tag.p1 { background: var(--p1); color: var(--p1-ink); }
.tag.p2 { background: var(--p2); color: var(--p2-ink); }
.tag.p3 { background: var(--p3); color: var(--p3-ink); }
.note { color: var(--muted); font-style: italic; margin-top: .2rem; }
.del { color: var(--red); font-size: .82rem; margin-top: .2rem; }
b.plus { color: var(--green); }
b.minus { color: var(--red); }

/* banners & flashes */
.banner, .flash { border-radius: var(--radius); padding: .7rem .9rem; margin-bottom: 1rem; }
.banner.good, .flash.ok { background: var(--green-bg); color: var(--green); }
.banner.bad, .flash.error { background: var(--red-bg); color: var(--red); }
.banner.info, .flash.info { background: var(--info-bg); color: var(--navy); }
.banner ul { margin: .4rem 0; padding-left: 1.2rem; }
.check { display: flex; gap: .5rem; align-items: center; margin-top: .5rem; font-weight: 600; }
.check input { width: 1.2rem; height: 1.2rem; }

/* forms */
.field { margin-bottom: .8rem; }
.field label, .num-field span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .25rem; }
input, select, textarea { font: inherit; width: 100%; padding: .55rem .65rem; border: 1px solid #cfd4dc; border-radius: 8px; background: #fff; color: var(--text); }
input:focus, select:focus, textarea:focus { outline: 2px solid #9db8dc; outline-offset: 0; border-color: var(--navy-2); }
.field.date { max-width: 220px; }
.formgrid { display: grid; gap: 0 1rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .formgrid { grid-template-columns: 1fr 1fr; } .formgrid .wide { grid-column: span 2; } }

fieldset.prod { border: 1px solid var(--line); border-left: 6px solid; border-radius: var(--radius); background: #fff; margin: 0 0 1rem; padding: .6rem .9rem 1rem; }
fieldset.prod.p1 { border-left-color: var(--p1-ink); }
fieldset.prod.p2 { border-left-color: var(--p2-ink); }
fieldset.prod.p3 { border-left-color: var(--p3-ink); }
fieldset.prod legend { font-weight: 700; padding: 0 .3rem; }
.nums { display: grid; gap: .8rem; grid-template-columns: 1fr 1fr; }
@media (min-width: 700px) { .nums { grid-template-columns: repeat(4, 1fr); } }
.num-field input { font-size: 1.35rem; font-weight: 700; text-align: center; padding: .55rem; background: var(--input); height: 3.1rem; }
.hint { display: block; min-height: 1.1em; color: var(--muted); font-size: .78rem; margin-top: .2rem; }

/* buttons */
.btn { display: inline-block; font: inherit; font-weight: 600; padding: .5rem .9rem; border-radius: 8px; border: 1px solid #cfd4dc; background: #fff; color: var(--text); text-decoration: none; cursor: pointer; }
.btn:hover { background: #f2f4f7; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-2); }
.btn.danger { color: var(--red); border-color: #f1b8b2; }
.btn.small { padding: .25rem .6rem; font-size: .82rem; }
.btn.big { padding: .8rem 1.6rem; font-size: 1.05rem; }
.btn.full { width: 100%; }
.btn:disabled { opacity: .6; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: .5rem 0 1rem; }
.row-actions { display: flex; flex-wrap: wrap; gap: .35rem; justify-content: flex-end; }
.row-actions form, form.inline { margin: 0; display: inline-flex; gap: .35rem; }
td.row-actions { display: table-cell; text-align: right; white-space: nowrap; }
td.row-actions > * { vertical-align: middle; margin-left: .3rem; }
form.inline input { width: 10rem; padding: .3rem .5rem; font-size: .85rem; }

.monthnav { display: flex; align-items: center; gap: .6rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.filters select { width: auto; }
.records { list-style: none; margin: 0; padding: 0; }
.records li { display: flex; justify-content: space-between; gap: .8rem; padding: .6rem 0; border-bottom: 1px solid var(--line); }
.records li:last-child { border-bottom: 0; }
.feed { list-style: none; margin: 0 0 .6rem; padding: 0; }
.feed li { padding: .35rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.feed .when { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: .3rem; }
.totals div { margin-bottom: .2rem; }

.login { min-height: 80vh; display: grid; place-items: center; }
.login .card { width: 100%; max-width: 380px; padding: 1.5rem; }

@media (max-width: 640px) {
  .wrap { padding: .75rem; }
  .tbl th, .tbl td { padding: .45rem .35rem; }
  .card { padding: .8rem; }
  .records-tbl thead { display: none; }
  .records-tbl tr { display: block; border-bottom: 1px solid var(--line); padding: .5rem .2rem; }
  .records-tbl td { display: block; border: 0; padding: .15rem .5rem; }
  .row-actions { justify-content: flex-start; padding-top: .3rem !important; }
  .records-tbl td.row-actions { display: block; text-align: left; }
  .records-tbl td.row-actions > * { margin: 0 .3rem 0 0; }
}