:root {
  --bg: #10131a;
  --panel: #171b24;
  --panel-2: #1d2330;
  --line: #2c3444;
  --ink: #e8edf5;
  --muted: #8b95a8;
  --amber: #e2a12b;
  --red: #e25a45;
  --green: #3dbf84;
  --font: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body.erp-app {
  margin: 0;
  min-height: 100%;
  display: grid;
  grid-template-columns: 13.5rem 1fr;
  color: var(--ink);
  font-family: var(--font);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.erp-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.1rem 0.85rem;
  background: #0c0f15;
  border-right: 1px solid var(--line);
  min-height: 100vh;
  position: sticky;
  top: 0;
}

.erp-brand {
  padding: 0.35rem 0.45rem;
}

.erp-brand span {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.erp-brand small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.erp-nav {
  display: grid;
  gap: 0.25rem;
}

.erp-nav a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.65rem 0.7rem;
  border-radius: 0.35rem;
  color: var(--muted);
  border-left: 2px solid transparent;
}

.erp-nav a strong {
  font-size: 0.9rem;
  font-weight: 650;
}

.erp-nav a span {
  font-family: var(--mono);
  font-size: 0.68rem;
}

.erp-nav a:hover {
  background: var(--panel);
  color: var(--ink);
}

.erp-nav a.is-on {
  background: var(--panel-2);
  color: var(--ink);
  border-left-color: var(--amber);
}

.erp-side__meta {
  margin-top: auto;
  padding: 0.5rem 0.55rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.erp-main {
  min-width: 0;
  padding: 1rem 1.1rem 2rem;
}

.erp-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.erp-bar h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.erp-bar p {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--mono);
}

.erp-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.erp-chip--hot {
  border-color: rgba(226, 161, 43, 0.45);
  color: var(--amber);
}

.erp-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 980px) {
  .erp-grid--2 {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.erp-panel {
  background: var(--panel);
  border: 1px solid var(--line);
}

.erp-panel__h {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.erp-alert {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.85rem;
  border-top: 1px solid var(--line);
  border-left: 3px solid var(--amber);
}

.erp-alert:first-of-type {
  border-top: 0;
}

.erp-alert--out {
  border-left-color: var(--red);
  background: rgba(226, 90, 69, 0.06);
}

.erp-alert__sku {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--amber);
}

.erp-alert strong {
  font-size: 0.92rem;
}

.erp-alert span {
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--mono);
}

.erp-meter {
  margin-top: 0.45rem;
  height: 3px;
  background: #2a3140;
}

.erp-meter > i {
  display: block;
  height: 100%;
  background: var(--green);
}

.erp-meter--low > i {
  background: var(--amber);
}

.erp-meter--out > i {
  width: 0 !important;
}

.erp-table-wrap {
  overflow-x: auto;
}

table.erp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 640px;
}

table.erp-table th {
  text-align: left;
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}

table.erp-table td {
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--line);
  vertical-align: middle;
}

table.erp-table tbody tr:hover {
  background: rgba(226, 161, 43, 0.06);
}

table.erp-table tbody tr[data-href] {
  cursor: pointer;
}

table.erp-table tbody tr.is-hidden {
  display: none;
}

.erp-mono {
  font-family: var(--mono);
  font-size: 0.8rem;
}

.erp-link {
  color: var(--amber);
  font-weight: 650;
}

.erp-link:hover {
  text-decoration: underline;
}

.erp-tag {
  display: inline-flex;
  padding: 0.12rem 0.4rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid currentColor;
}

.erp-tag--ok {
  color: var(--green);
}
.erp-tag--low {
  color: var(--amber);
}
.erp-tag--out {
  color: var(--red);
}
.erp-tag--picking,
.erp-tag--confirmed,
.erp-tag--ordered,
.erp-tag--partial {
  color: var(--amber);
}
.erp-tag--shipped,
.erp-tag--received,
.erp-tag--closed {
  color: var(--green);
}
.erp-tag--draft {
  color: var(--muted);
}

.erp-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.erp-tools input,
.erp-tools select {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.45rem 0.65rem;
  font: inherit;
  font-family: var(--mono);
  font-size: 0.78rem;
  outline: none;
  min-width: 10rem;
}

.erp-tools input:focus,
.erp-tools select:focus {
  border-color: var(--amber);
}

.erp-back {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.erp-detail {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 900px) {
  .erp-detail {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.erp-kv {
  display: flex;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
}

.erp-kv:first-of-type {
  border-top: 0;
}

.erp-kv dt {
  width: 6rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.erp-po {
  padding: 0.85rem;
  border-top: 1px solid var(--line);
}

.erp-po:first-of-type {
  border-top: 0;
}

.erp-po__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

@media (max-width: 860px) {
  body.erp-app {
    grid-template-columns: 1fr;
  }

  .erp-side {
    position: relative;
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .erp-nav {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
  }

  .erp-side__meta {
    margin-top: 0;
  }
}