:root {
  --bg: #f4f6f9; --card: #fff; --ink: #1d2433; --muted: #6b7486; --line: #e2e6ee;
  --brand: #0b5cad; --brand-ink: #fff; --brand-soft: #e8f1fb;
  --ok: #1d7a46; --ok-bg: #e6f5ec; --warn: #8a5a00; --warn-bg: #fff4d6; --err: #b42318; --err-bg: #fdecea;
  --radius: 10px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161d; --card: #1b212b; --ink: #e6e9ef; --muted: #9aa3b2; --line: #2c3442;
    --brand: #5aa2f0; --brand-ink: #0c1420; --brand-soft: #1d2f45;
    --ok: #6fd39b; --ok-bg: #173226; --warn: #f2c25b; --warn-bg: #3a2f14; --err: #ff8a80; --err-bg: #3d1c1a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: .2em 0 .6em; }
h2 { font-size: 1.15rem; margin: .2em 0 .7em; }
h3 { font-size: 1rem; margin: 0 0 .6em; }
.muted { color: var(--muted); }
.small { font-size: .85em; }
.r { text-align: right; }
.c { text-align: center; }
.neg { color: var(--err); }

.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 18px; padding: 0 20px; height: 56px;
  background: var(--brand); color: var(--brand-ink); }
.top a { color: inherit; }
.brand { font-size: 1.15rem; white-space: nowrap; }
.brand b { background: var(--brand-ink); color: var(--brand); border-radius: 6px; padding: 0 6px; margin-left: 2px; }
.main { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
.main a { padding: 8px 10px; border-radius: 6px; white-space: nowrap; opacity: .9; }
.main a:hover, .main a.on { background: rgba(255, 255, 255, .16); text-decoration: none; opacity: 1; }
.me { display: flex; gap: 12px; align-items: center; white-space: nowrap; }
.me form { margin: 0; }
.me .link { color: inherit; opacity: .85; }
.menu-btn { display: none; background: none; border: 0; color: inherit; font-size: 1.4rem; cursor: pointer; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 22px 20px 60px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 18px; }
.card.flush { padding: 0; overflow: hidden; }
.card.narrow { max-width: 560px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.head h1, .head h2 { margin: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 18px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + .card, .grid2 + h2, .grid2 + .grid2 { margin-top: 18px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font: inherit; cursor: pointer; white-space: nowrap; }
.btn:hover { text-decoration: none; border-color: var(--brand); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--err); border-color: var(--err); }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; justify-content: center; }
.link { background: none; border: 0; padding: 0; color: var(--brand); cursor: pointer; font: inherit; }

label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 12px; }
label input, label select, label textarea { margin-top: 4px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); color: var(--ink); font: inherit; font-size: 15px; }
input:focus, select:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
input[size] { width: auto; }
fieldset { border: 0; padding: 0; margin: 0; }
label.chk { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: .95rem; }
label.chk input { width: auto; margin: 0; }
.formgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 16px; }
.formgrid .span2 { grid-column: span 2; }
.formgrid .span4 { grid-column: 1 / -1; }
.formactions { display: flex; justify-content: flex-end; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.formactions .chk { margin: 0 auto 0 0; }
.row { display: flex; gap: 8px; margin-bottom: 10px; }
.row input { width: auto; flex: 1; }
.inline-form { display: inline; margin-left: 10px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: flex-end; padding: 14px 16px; }
.filters label { margin: 0; }
.filters .grow { flex: 1; min-width: 220px; }
.filters .chk { padding-bottom: 8px; }

.tablewrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; }
.list th, .list td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.list th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--bg); white-space: nowrap; }
.list th.r, .list td.r { text-align: right; white-space: nowrap; }
.list tbody tr[data-href] { cursor: pointer; }
.list tbody tr:hover { background: var(--brand-soft); }
.list tr.nula td { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(180, 35, 24, .4); }
.list tr.nula td:first-child, .list tr.nula td:last-child { text-decoration: none; }
.list tfoot td { font-weight: 600; border-bottom: 0; }
.list tr.tot td { font-size: 1.05rem; border-top: 2px solid var(--line); }
.list tr.grp td { background: var(--brand-soft); font-weight: 600; }
.list tr.sub td { font-weight: 600; background: var(--bg); }
.list tr.warnrow td { background: var(--warn-bg); }
.list.compact th, .list.compact td { padding: 6px 10px; font-size: .92rem; }
.empty { text-align: center; color: var(--muted); padding: 26px !important; }

.tag { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .78rem; font-weight: 600; vertical-align: middle; }
.tag.red { background: var(--err-bg); color: var(--err); }
.tag.amber { background: var(--warn-bg); color: var(--warn); }

.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid transparent; }
.flash ul { margin: 6px 0 4px; padding-left: 20px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.warn { background: var(--warn-bg); color: var(--warn); }
.flash.err { background: var(--err-bg); color: var(--err); }
.warnbox { background: var(--warn-bg); border-color: transparent; color: var(--warn); }
.warnbox a { color: inherit; text-decoration: underline; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat span { display: block; color: var(--muted); font-size: .85rem; }
.stat b { font-size: 1.35rem; font-variant-numeric: tabular-nums; }

.bar { display: inline-block; width: 80px; height: 8px; border-radius: 9px; background: var(--line); overflow: hidden; vertical-align: middle; margin-right: 6px; }
.bar i { display: block; height: 100%; background: var(--ok); }
.bar.hi i { background: #d99a00; }
.bar.over i { background: var(--err); }

dl.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
ul.inline { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
ul.hist { padding-left: 18px; margin: 0; color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-bottom: 18px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); color: var(--ink); }
.tile:hover { border-color: var(--brand); text-decoration: none; }
.tile b { display: block; color: var(--brand); margin-bottom: 6px; }
.tile span { color: var(--muted); font-size: .92rem; }

/* Líneas de OC / ítems */
table.lines { width: 100%; border-collapse: collapse; }
.lines th { font-size: .8rem; text-transform: uppercase; color: var(--muted); background: var(--bg); padding: 8px; text-align: left; white-space: nowrap; }
.lines th.r { text-align: right; }
.lines td { padding: 6px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.lines input, .lines select { padding: 6px 8px; }
.lines input.r { text-align: right; }
.lines td.tot { padding-top: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.lines .det { min-width: 260px; }
.hint { font-size: .78rem; color: var(--muted); margin-top: 3px; max-width: 220px; }
.hint.bad { color: var(--err); }
.hint.hi { color: var(--warn); }
.lines-foot { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 14px 16px; flex-wrap: wrap; }
.totals { min-width: 260px; }
.totals > div { display: flex; justify-content: space-between; gap: 20px; padding: 3px 0; font-variant-numeric: tabular-nums; }
.totals .big { font-size: 1.2rem; border-top: 1px solid var(--line); margin-top: 4px; padding-top: 6px; }
.totals label.chk { margin: 0; font-size: .95rem; }

.prov-pick { position: relative; }
.prov-pick label { margin-bottom: 2px; }
.prov-pick .small { display: inline-block; margin-bottom: 12px; }
.ac { position: absolute; left: 0; right: 0; top: 64px; z-index: 5; background: var(--card); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0, 0, 0, .15); max-height: 320px; overflow: auto; display: none; }
.ac.open { display: block; }
.ac div { padding: 8px 12px; cursor: pointer; border-bottom: 1px solid var(--line); }
.ac div:hover, .ac div.sel { background: var(--brand-soft); }
.ac small { color: var(--muted); }

.pager { display: flex; justify-content: center; gap: 18px; align-items: center; margin: 10px 0; }

.login { min-height: 80vh; display: grid; place-items: center; }
.login .card { width: 100%; max-width: 380px; padding: 28px; }
.login-brand { font-size: 1.8rem; text-align: center; }
.login-brand b { background: var(--brand); color: var(--brand-ink); border-radius: 8px; padding: 0 8px; }
.login p { text-align: center; margin-top: 0; }

@media (max-width: 900px) {
  .menu-btn { display: block; }
  .main { display: none; position: absolute; top: 56px; left: 0; right: 0; flex-direction: column; background: var(--brand); padding: 8px; }
  body.nav-open .main { display: flex; }
  .top { gap: 10px; padding: 0 16px; }
  .me a { display: none; }
  .formgrid { grid-template-columns: 1fr 1fr; }
  .wrap { padding: 16px 16px 50px; }
  dl.kv { grid-template-columns: 120px 1fr; }
}
@media (max-width: 560px) {
  .formgrid { grid-template-columns: 1fr; }
  .formgrid .span2 { grid-column: auto; }
  .grid2 { grid-template-columns: 1fr; }
}
@media print {
  .top, .noprint, .filters, .actions, .pager { display: none !important; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; border: 0; }
}