:root {
  --bg: #f3f5f8; --card: #fff; --ink: #18212d; --muted: #6a7686; --line: #dde3ea;
  --brand: #1d3a5f; --accent: #e06a1b; --ok: #1f8a4c; --warn: #b7791f; --err: #c53030;
  --ok-bg: #e6f6ec; --warn-bg: #fdf5e3; --err-bg: #fdeaea; --info-bg: #e9f0f8;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11161d; --card: #1a222c; --ink: #e6ebf1; --muted: #93a0b0; --line: #2b3542;
          --brand: #0f2236; --ok-bg: #12301f; --warn-bg: #33290f; --err-bg: #3a1717; --info-bg: #17283a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.4; }
a { color: inherit; }
main { max-width: 960px; margin: 0 auto; padding: 14px 14px 60px; }
h1 { font-size: 1.4rem; margin: 6px 0 14px; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: .02em; }
.muted { color: var(--muted); }
.num, .right { text-align: right; }

/* header */
.top { display: flex; gap: 10px; align-items: center; background: var(--brand); color: #fff; padding: 10px 14px; }
.brand { font-weight: 700; text-decoration: none; white-space: nowrap; }
.quick { flex: 1; }
.quick input { width: 100%; border: 0; border-radius: 8px; padding: 9px 12px; font-size: 16px; }
.who { text-decoration: none; opacity: .85; white-space: nowrap; font-size: .9rem; }
.tabs { display: flex; overflow-x: auto; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.tabs a { padding: 12px 14px; text-decoration: none; white-space: nowrap; color: var(--muted); border-bottom: 3px solid transparent; font-weight: 500; }
.tabs a.on { color: var(--ink); border-color: var(--accent); }

/* cards & layout */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 0 0 14px; }
details.card > summary { list-style: none; cursor: pointer; font-weight: 600; }
details.card > summary::-webkit-details-marker { display: none; }
details[open] > summary { margin-bottom: 12px; }
.grid2 { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .grid2 { grid-template-columns: 1fr 1fr; } }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.actions .btn { flex: 1; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; text-decoration: none; }
.stat b { display: block; font-size: 1.8rem; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .9rem; }

/* forms */
label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 12px; }
input, select, textarea { display: block; width: 100%; margin-top: 5px; font: inherit; font-size: 16px; padding: 10px 11px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 3px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
label.check input { width: auto; margin: 0; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.filters input { flex: 2 1 200px; margin: 0; }
.filters select { flex: 1 1 120px; width: auto; margin: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
form.inline { display: inline-flex; gap: 6px; align-items: center; }
.line { display: flex; gap: 6px; margin-bottom: 6px; }
.line input { margin: 0; }
.line .qty { width: 72px; flex: none; }
fieldset { border: 1px dashed var(--line); border-radius: 8px; padding: 10px; margin: 0 0 12px; }
legend { font-weight: 600; font-size: .92rem; padding: 0 4px; }
.pw { width: 140px; margin: 0; padding: 6px 8px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 16px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--err); border-color: var(--err); }
.btn.ghost { background: transparent; }
.btn.big { padding: 15px 18px; font-size: 1.05rem; width: 100%; }
.btn.sm { padding: 6px 10px; font-size: .85rem; }

/* lists & tables */
.list { display: flex; flex-direction: column; gap: 8px; }
.item { display: flex; justify-content: space-between; gap: 12px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px; text-decoration: none; }
.item.off { opacity: .55; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl td, .tbl th { padding: 9px 4px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.tbl th { font-size: .8rem; color: var(--muted); font-weight: 600; }
.tbl td.num, .tbl td.right { text-align: right; }
tr.done td { color: var(--ok); }
tr.fresh { background: var(--ok-bg); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 12px; margin: 0 0 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.feed li small { display: block; }
.note { background: var(--info-bg); padding: 10px; border-radius: 8px; }

/* badges */
.badge, .ev { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; vertical-align: middle;
  text-transform: uppercase; letter-spacing: .03em; background: var(--info-bg); color: var(--ink); }
.b-in_stock, .b-received, .b-completed, .ev-received, .ev-returned { background: var(--ok-bg); color: var(--ok); }
.b-allocated, .b-open, .ev-allocated { background: var(--warn-bg); color: var(--warn); }
.b-shipped, .ev-shipped { background: var(--info-bg); color: #2b6cb0; }
.b-cancelled, .b-closed, .ev-unallocated { background: var(--line); color: var(--muted); }

/* flash + scan status */
.flash { padding: 11px 14px; border-radius: 8px; margin-bottom: 12px; background: var(--ok-bg); color: var(--ok); font-weight: 600; }
.flash.err { background: var(--err-bg); color: var(--err); }
.scanbox { border: 2px solid var(--accent); }
.scan { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.25rem; padding: 14px; letter-spacing: .04em; }
.step { opacity: .6; }
.step.active { opacity: 1; }
.step.active .scan { border-color: var(--accent); border-width: 2px; }
.scanstatus { margin-top: 12px; padding: 14px; border-radius: 8px; font-weight: 700; font-size: 1.05rem; min-height: 1em; }
.scanstatus:empty { display: none; }
.scanstatus.ok { background: var(--ok-bg); color: var(--ok); }
.scanstatus.warn { background: var(--warn-bg); color: var(--warn); }
.scanstatus.err { background: var(--err-bg); color: var(--err); }
.scanstatus.wait { background: var(--info-bg); }

.login { max-width: 380px; margin: 8vh auto 0; }
.login h1 { text-align: center; }