:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1d2733;
  --muted: #64707d;
  --line: #dde2e7;
  --brand: #1f3b57;
  --accent: #2563a6;
  --accent-dark: #1b4c82;
  --ok: #1e7b45;
  --ok-bg: #e3f4ea;
  --warn: #8a5a00;
  --warn-bg: #fff4d6;
  --danger: #b42318;
  --danger-bg: #fdecea;
  --gray-bg: #eceff2;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 .6rem; }
h2:first-child { margin-top: 0; }
h3 { font-size: .95rem; margin: 1.1rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
code { background: var(--gray-bg); padding: 0 .3em; border-radius: 3px; }

.topbar { display: flex; align-items: center; gap: 1.5rem; padding: .6rem 1.25rem; background: var(--brand); color: #fff; flex-wrap: wrap; }
.topbar a, .topbar .link { color: #dbe6f1; }
.topbar .brand { color: #fff; font-weight: 600; display: flex; align-items: center; align-self: center; gap: .75rem; text-decoration: none; }
.topbar .brand-logo { height: 31px; width: auto; display: block; }
.topbar .brand-name { white-space: nowrap; font-size: 1.6rem; line-height: 1; display: block; }
.topsearch { flex: 1 1 10rem; max-width: 28rem; min-width: 8rem; }
.topsearch input { width: 100%; padding: .4rem .6rem; border-radius: 4px; border: 0; }
.topbar nav { display: flex; gap: 1.1rem; align-items: center; margin-left: auto; flex-shrink: 0; }
.topbar nav a, .topbar nav .link { white-space: nowrap; }
form.inline { display: inline; }
button.link { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; }

main { max-width: 1280px; margin: 0 auto; padding: 1.25rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1.25rem; margin-bottom: 1rem; }
.narrow-card { max-width: 24rem; margin: 3rem auto; }
.narrow-card label { display: block; margin-bottom: .8rem; }
.narrow-card input { display: block; width: 100%; margin-top: .25rem; }
.page-head, .section-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.section-head h2 { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }
.empty { color: var(--muted); padding: 1rem 0; text-align: center; }
.big { font-size: 1.2rem; }

button, .button {
  display: inline-block; padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 4px;
  background: #fff; color: var(--text); font: inherit; cursor: pointer; line-height: 1.3;
}
button:hover, .button:hover { background: var(--gray-bg); text-decoration: none; }
.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.primary:hover { background: var(--accent-dark); }
.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.danger-outline { color: var(--danger); border-color: #f0b8b3; background: #fff; }
.small, button.small, .button.small { padding: .2rem .55rem; font-size: .85rem; }

input[type=text], input[type=search], input[type=number], input[type=date], input[type=datetime-local],
input[type=password], select, textarea {
  padding: .4rem .5rem; border: 1px solid #c5ccd3; border-radius: 4px; font: inherit; background: #fff; max-width: 100%;
}
textarea { width: 100%; }
input.narrow { width: 6rem; }
.pn-big { font-size: 1.2rem; font-weight: 600; width: 18rem; }

.message { padding: .7rem 1rem; border-radius: 4px; margin-bottom: 1rem; border: 1px solid; }
.message.success { background: var(--ok-bg); border-color: #b7e1c5; color: var(--ok); }
.message.error { background: var(--danger-bg); border-color: #f5c2bd; color: var(--danger); }
.message.warning, .message.info { background: var(--warn-bg); border-color: #f1d995; color: var(--warn); }

.banner { padding: .75rem 1rem; border-radius: 4px; margin-bottom: 1rem; border-left: 4px solid; }
.banner.warn { background: var(--warn-bg); border-color: #e0a800; }
.banner.info { background: #e8f1fb; border-color: var(--accent); }
.banner.danger { background: var(--danger-bg); border-color: var(--danger); }
.banner.muted-banner { background: var(--gray-bg); border-color: #9aa5b1; }
.banner ul { margin: .4rem 0; }
.reason { white-space: normal; margin: .4rem 0; }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--gray-bg); color: var(--muted); vertical-align: middle; }
.status-R { background: var(--ok-bg); color: var(--ok); }
.status-U { background: var(--warn-bg); color: var(--warn); }
.status-O { background: var(--gray-bg); color: var(--muted); }
.badge.pref { background: #e8f1fb; color: var(--accent-dark); }

.filters { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: .5rem; }
.filters input[type=search] { flex: 1; min-width: 16rem; }

.table-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; background: #fff; }
table.grid th { text-align: left; font-weight: 600; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; border-bottom: 2px solid var(--line); padding: .5rem; }
table.grid td { border-bottom: 1px solid var(--line); padding: .5rem; vertical-align: top; }
table.grid tbody tr:hover { background: #f8fafc; }
table.grid.compact td, table.grid.compact th { padding: .3rem .5rem; }
table.grid .num { text-align: right; }
table.form-table td input, table.form-table td select { width: 100%; }
table.form-table td input.narrow { width: 6rem; }
.row-warn td { background: #fafafa; color: var(--muted); }
.path { font-family: Consolas, monospace; font-size: .85rem; word-break: break-all; }
.warn-text { color: var(--warn); }
.error-text { display: block; color: var(--danger); font-size: .82rem; margin-top: .2rem; }
.pager { display: flex; gap: 1rem; justify-content: center; margin: 1rem 0; }

.item-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.item-head .pn { font-size: 1.6rem; font-weight: 700; }
.item-head .rev { font-size: 1.1rem; font-weight: 500; color: var(--muted); margin: 0 .4rem; }
.item-head .title { font-size: 1.05rem; margin-top: .2rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabs a { padding: .6rem 1rem; color: var(--muted); border: 1px solid transparent; border-bottom: 0; border-radius: 6px 6px 0 0; white-space: nowrap; }
.tabs a.active { background: var(--card); border-color: var(--line); color: var(--text); font-weight: 600; margin-bottom: -1px; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.tab-body { border-top-left-radius: 0; }

dl.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: .3rem 1.5rem; margin: 0 0 .5rem; }
dl.fields > div { padding: .35rem 0; border-bottom: 1px solid #eef1f4; }
dl.fields dt { font-size: .8rem; color: var(--muted); }
dl.fields dd { margin: .1rem 0 0; }
dl.fields.compact { grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: .8rem 1.25rem; }
.field label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .2rem; }
.field input:not([type=checkbox]), .field select { width: 100%; }
.field.checkbox { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.field.checkbox label { order: 2; margin: 0; color: var(--text); }
.field.checkbox small { order: 3; width: 100%; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.req { color: var(--danger); }
.form-actions { display: flex; gap: .5rem; margin-top: 1.25rem; }

.source { border: 1px solid var(--line); border-radius: 6px; padding: .8rem 1rem; margin-bottom: .8rem; }
.source.preferred { border-color: #9cc0e6; box-shadow: 0 0 0 1px #9cc0e6 inset; }
.source.unapproved { opacity: .75; }
.source-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .4rem; }

.eco { border-left: 3px solid var(--line); padding: .3rem 0 .6rem 1rem; margin-bottom: .9rem; }
.eco details { margin-top: .4rem; }
.eco summary { cursor: pointer; color: var(--accent); }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: .25rem 0; }
.danger-zone { margin-top: 1rem; text-align: right; }

@media (max-width: 640px) {
  main { padding: .75rem; }
  .topsearch { order: 3; max-width: none; flex-basis: 100%; }
}

/* Part picker */
.picker-menu { position: absolute; z-index: 50; background: #fff; border: 1px solid #b9c3cd; border-radius: 4px;
  box-shadow: 0 6px 18px rgba(20, 35, 50, .15); max-height: 22rem; overflow-y: auto; }
.picker-row { display: grid; grid-template-columns: minmax(8rem, auto) 1fr auto; gap: .75rem; padding: .45rem .7rem; cursor: pointer; border-bottom: 1px solid #f0f2f4; }
.picker-row.active, .picker-row:hover { background: #e8f1fb; }
.picker-pn { font-weight: 600; white-space: nowrap; }
.picker-rev { color: var(--muted); font-size: .85rem; white-space: nowrap; }
.picker-empty { padding: .6rem .8rem; color: var(--muted); }

table.form-table .col-seq { width: 5.5rem; }
table.form-table .col-pn { width: 15rem; }
table.form-table .col-qty { width: 8rem; }
.link-danger { color: var(--danger); border-color: transparent; background: none; font-size: 1.1rem; line-height: 1; }
.inline-check { display: flex; align-items: center; gap: .3rem; }
[data-add-row] { margin-top: .6rem; }

.sso-button { display: block; text-align: center; font-size: 1.05rem; padding: .65rem; margin: .5rem 0 .25rem; }
.narrow-card details { margin-top: 1rem; }
.narrow-card details summary { cursor: pointer; margin-bottom: .75rem; }