:root {
  --ink: #14232c;
  --ink-soft: #3d5360;
  --paper: #f3efe6;
  --paper-2: #fffdf8;
  --line: #d7cfc0;
  --teal: #1f6f64;
  --teal-dark: #15564e;
  --amber: #c4841d;
  --danger: #a33b2b;
  --danger-bg: #f8e6e2;
  --ok: #2f6b4f;
  --ok-bg: #e4f0ea;
  --warn-bg: #f6e8cf;
  --shadow: 0 18px 50px rgba(20, 35, 44, 0.1);
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(31, 111, 100, 0.09), transparent 34%),
    radial-gradient(circle at 90% 0%, rgba(196, 132, 29, 0.09), transparent 28%);
}

button, input, select { font: inherit; }
button { cursor: pointer; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.app {
  height: 100vh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 1.5rem;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  min-width: 0;
}

.mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  background: var(--ink);
  color: #e8a838;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 640;
}

.brand h1 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 640;
  letter-spacing: -0.02em;
  margin: 0;
}

.ver {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.08rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

.brand p {
  margin: 0.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.who {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.who span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.who button {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.5rem;
  padding: 0.35rem 0.7rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem;
  max-width: 100%;
}

.nav-btn {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  white-space: nowrap;
}

.nav-btn.active {
  background: var(--ink);
  color: #fff;
}

.stats {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stats[hidden] { display: none !important; }

.stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.45rem 0.75rem;
  min-width: 7.2rem;
}

.stat span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat strong {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 640;
}

.toolbar {
  display: flex;
  gap: 0.85rem;
  align-items: end;
  flex-wrap: wrap;
  padding: 0.9rem 1.5rem;
  flex: 0 0 auto;
}

.toolbar[hidden] { display: none !important; }

.search { flex: 1; min-width: 240px; }

.search input,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 0.6rem;
  padding: 0.65rem 0.8rem;
}

.search input:focus,
.field select:focus {
  outline: 2px solid rgba(31, 111, 100, 0.35);
  border-color: var(--teal);
}

.field span {
  display: block;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}

.check {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.2rem;
  color: var(--ink-soft);
  user-select: none;
}

.field[hidden],
.check[hidden] { display: none !important; }

.layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 1rem;
  padding: 0 1.5rem 1.5rem;
  min-height: 0;
  overflow: hidden;
}

.layout[hidden] { display: none !important; }

.versions-layout {
  grid-template-columns: minmax(0, 720px);
  justify-content: start;
}

.version-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
}

.version-list li {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.version-list li:last-child { border-bottom: 0; }

.version-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.version-head strong {
  font-family: var(--mono);
  font-size: 1.05rem;
}

.version-head time {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.version-list p {
  margin: 0.35rem 0 0;
  color: var(--ink);
}

.panel {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.panel-head, .detail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem 0.7rem;
  flex: 0 0 auto;
}

.sort {
  display: flex;
  gap: 0.3rem;
}

.sort-btn {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.sort-btn.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.panel h2, .detail h2 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 640;
  margin: 0;
}

.meta, .kicker {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  margin-bottom: 0.35rem;
}

.clients .list,
.products .list,
.tables .list,
.boms .list,
.docs .list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.2rem 0.45rem 0.7rem;
}

.client {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 0.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
}

.client:hover { background: #f6f1e8; }
.client.active { background: #e8f1ee; }

.client .name {
  font-weight: 600;
  grid-column: 1;
}

.client .sub {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.client .tot {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.client .tot small,
.product .tot small {
  display: block;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
}

.product {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 0.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
}

.product:hover { background: #f6f1e8; }
.product.active { background: #e8f1ee; }

.product .name {
  font-weight: 600;
  grid-column: 1;
}

.product .sub {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.product .tot {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.table-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 0.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
}

.table-item:hover { background: #f6f1e8; }
.table-item.active { background: #e8f1ee; }

.table-item .name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.88rem;
  grid-column: 1;
}

.table-item .sub {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.table-item .tot {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.table-item .tot small {
  display: block;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
}

.bom-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 0.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
}

.bom-item:hover { background: #f6f1e8; }
.bom-item.active { background: #e8f1ee; }

.bom-item .name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.88rem;
  grid-column: 1;
}

.bom-item .sub {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.bom-item .tot {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.bom-item .tot small {
  display: block;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
}

tr.missing td { color: var(--danger); }
tr.child-bom { cursor: pointer; }
tr.child-bom:hover td { background: #f6f1e8; }

.doc-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 0.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
}

.doc-item:hover { background: #f6f1e8; }
.doc-item.active { background: #e8f1ee; }
.doc-item.nc .tot { color: var(--danger); }

.doc-item .name {
  font-weight: 600;
  grid-column: 1;
}

.doc-item .sub {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.doc-item .tot {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.doc-item .tot small {
  display: block;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
}

.table-toolbar {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.table-toolbar .search {
  flex: 1;
  min-width: 180px;
}

.table-toolbar .search input {
  padding: 0.45rem 0.7rem;
}

.table-wrap {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
}

.table-wrap table {
  width: max-content;
  min-width: 100%;
  margin: 0;
}

.table-wrap th,
.table-wrap td {
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.table-wrap th button {
  border: 0;
  background: transparent;
  padding: 0;
  color: inherit;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
}

.table-wrap th button:hover { color: var(--ink); }

.table-wrap tr.db-row { cursor: pointer; }
.table-wrap tr.db-row:hover td { background: #f6f1e8; }

.record-list {
  display: grid;
  gap: 0;
}

.record-list div {
  display: grid;
  grid-template-columns: minmax(140px, 240px) 1fr;
  gap: 0.6rem 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.record-list dt {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  word-break: break-all;
}

.record-list dd {
  margin: 0;
  font-size: 0.9rem;
  word-break: break-word;
}

.record-list .null {
  color: var(--ink-soft);
  font-style: italic;
}

.pager {
  display: none;
  gap: 0.4rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem 1rem;
  border-top: 1px solid var(--line);
  flex: 0 0 auto;
}

.pager.visible { display: flex; }

.pager button {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
}

.pager button:disabled {
  opacity: 0.45;
  cursor: default;
}

.invoices {
  min-height: 0;
}

.detail {
  flex: 1 1 auto;
  min-height: 0;
  padding: 1.15rem 1.2rem 1.3rem;
  overflow: auto;
}

.empty-detail {
  display: grid;
  align-content: start;
  color: var(--ink-soft);
}

.empty-detail h2 { color: var(--ink); }

.addr {
  margin: 0.15rem 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.detail-tabs {
  display: flex;
  gap: 0.3rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem;
  width: fit-content;
  margin: 0 0 1rem;
}

.detail-tabs .nav-btn {
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
}

.client-prod-head {
  padding: 0 0 0.7rem;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.pill {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
}

.pill.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.pill.warn { background: var(--warn-bg); }
.pill.nc { background: var(--danger-bg); color: var(--danger); border-color: transparent; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  font-weight: 500;
}

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num { font-family: var(--mono); font-size: 0.82rem; }
td.nc { color: var(--danger); }
td.null { color: var(--ink-soft); font-style: italic; }

tr.invoice { cursor: pointer; }
tr.invoice:hover td { background: #f6f1e8; }

.empty, .error, .loading {
  padding: 1.2rem 0.8rem;
  color: var(--ink-soft);
}

.error { color: var(--danger); }

.dialog {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0;
  width: min(860px, 96vw);
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.dialog::backdrop { background: rgba(20, 35, 44, 0.35); }

.dialog-inner { padding: 1.2rem 1.3rem 1.4rem; }

.dialog-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.9rem;
}

.close {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.5rem;
  padding: 0.35rem 0.7rem;
}

.login-page, .login-page body { height: 100%; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 32px 30px 28px;
  display: grid;
  gap: 0.85rem;
}

.login-card .brand { margin-bottom: 0.4rem; }

.login-card .field input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.6rem;
  padding: 0.65rem 0.8rem;
}

.login-card .error {
  margin: 0;
  padding: 0;
}

.login-btn {
  border: 0;
  background: var(--ink);
  color: #fff;
  border-radius: 0.65rem;
  padding: 0.7rem 0.9rem;
  font-weight: 600;
}

.login-btn:hover { background: #1d3340; }

@media (max-width: 900px) {
  .app { height: auto; min-height: 100vh; overflow: visible; }
  .topbar, .toolbar { padding-left: 1rem; padding-right: 1rem; }
  .layout {
    grid-template-columns: 1fr;
    padding: 0 1rem 1rem;
    overflow: visible;
  }
  .nav { order: 3; width: 100%; justify-content: center; }
  .clients,
  .products,
  .tables,
  .boms,
  .docs {
    height: 52vh;
    max-height: 52vh;
  }
}