/* ── Inventory page — standalone dark theme ── */
:root {
  --bg:          #0f1419;
  --surface:     #1a2332;
  --surface-2:   #212d3d;
  --text:        #e8eef7;
  --muted:       #8b9aaf;
  --border:      rgba(255, 255, 255, 0.07);
  --accent:      #3d9cfd;
  --green:       #34d399;
  --green-dim:   rgba(52, 211, 153, 0.12);
  --amber:       #fbbf24;
  --amber-dim:   rgba(251, 191, 36, 0.12);
  --red:         #f87171;
  --red-dim:     rgba(248, 113, 113, 0.12);
  --radius:      10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header: two-row — page nav + section tabs ── */
.inv-header {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

/* Top row: matches shared-nav .top-bar layout without inheriting its position */
.inv-toprow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

/* Section tabs row */
.inv-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.4rem 1.5rem 0.55rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.inv-tabs::-webkit-scrollbar { display: none; }

.inv-tab {
  padding: 0.45rem 0.95rem;
  min-height: 2.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.inv-tab:hover          { color: var(--text); border-color: var(--border); }
.inv-tab--active        { background: var(--accent); color: #fff; border-color: transparent; }

/* ── Buttons ── */
.inv-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.42rem 0.9rem; border-radius: 7px;
  font-size: 0.83rem; font-weight: 600; cursor: pointer;
  border: 1px solid transparent;
  transition: opacity 0.12s, background 0.12s;
}
.inv-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.inv-btn--primary      { background: var(--accent); color: #fff; }
.inv-btn--primary:not(:disabled):hover { opacity: 0.85; }
.inv-btn--ghost        { background: none; border-color: var(--border); color: var(--muted); }
.inv-btn--ghost:hover  { color: var(--text); border-color: rgba(255,255,255,0.18); }
.inv-btn--sm           { padding: 0.28rem 0.6rem; font-size: 0.78rem; }

.inv-link {
  font-size: 0.8rem; font-weight: 600; color: var(--muted);
  text-decoration: none; padding: 0.28rem 0.6rem;
  border: 1px solid var(--border); border-radius: 6px;
  transition: color 0.12s, border-color 0.12s;
}
.inv-link:hover { color: var(--text); border-color: rgba(255,255,255,0.18); }

/* ── Sections ── */
.inv-section { padding: 1.25rem 1.5rem 2rem; }

.inv-section-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}

.inv-section-title { font-size: 1rem; font-weight: 700; }
.inv-section-sub   { font-size: 0.82rem; color: var(--muted); margin-top: 0.3rem; line-height: 1.5; }

/* ── Adjustment form card ── */
.adjust-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.1rem;
}

.adjust-card__title {
  font-size: 0.88rem; font-weight: 700;
  margin-bottom: 0.85rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}

.adjust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.adj-label {
  display: flex; flex-direction: column; gap: 0.28rem;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted);
}

.adj-input {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.42rem 0.6rem;
  color: var(--text); font-size: 0.88rem;
}
.adj-input:focus { outline: none; border-color: var(--accent); }

.adjust-card__footer {
  display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap;
}

.adj-msg { font-size: 0.8rem; }
.adj-msg--ok  { color: var(--green); }
.adj-msg--err { color: var(--red); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

.inv-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem; background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}

.inv-table th {
  background: var(--surface-2);
  padding: 0.6rem 0.85rem;
  text-align: left; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.inv-table th.num,
.inv-table td.num { text-align: right; }

.inv-table td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.inv-table tr:last-child td { border-bottom: none; }
.inv-table tr:hover td     { background: rgba(255,255,255,0.025); }

.loading-cell { text-align: center; color: var(--muted); padding: 2rem !important; }

/* ── Status chips ── */
.chip {
  display: inline-block; padding: 0.18rem 0.55rem;
  border-radius: 999px; font-size: 0.72rem; font-weight: 700; white-space: nowrap;
}
.chip--ok       { background: var(--green-dim); color: var(--green); }
.chip--low      { background: var(--amber-dim); color: var(--amber); }
.chip--shrinkage{ background: var(--red-dim);   color: var(--red); }
.chip--surplus  { background: rgba(61,156,253,0.12); color: var(--accent); }

/* ── Variance table specific ── */
.inv-table--variance td.neg   { color: var(--red);   font-weight: 600; }
.inv-table--variance td.pos   { color: var(--green); }
.inv-table--variance td.loss  { color: var(--red);   font-weight: 700; }

/* Row highlight for shrinkage rows */
.inv-table--variance tr.row--shrinkage td { background: rgba(248,113,113,0.04); }

/* ── Summary cards ── */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.summary-card__label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.summary-card__value { font-size: 1.4rem; font-weight: 800; margin-top: 0.25rem; line-height: 1; }
.summary-card__value--red    { color: var(--red); }
.summary-card__value--amber  { color: var(--amber); }
.summary-card__value--green  { color: var(--green); }
.summary-card__value--muted  { color: var(--muted); }

/* ── Variance filter row ── */
.variance-filter {
  display: flex;
  align-items: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.variance-filter input[type="date"] {
  min-width: 140px;
  color-scheme: dark;
}

/* ── Variance $ impact cell ── */
.inv-table--variance td.gain  { color: var(--green); font-weight: 700; }

/* ── BOM tab ── */
.bom-controls { margin-bottom: 1rem; }

.bom-picker-label { display: flex; flex-direction: column; gap: 0.25rem; max-width: 360px; }

.bom-menu-select { min-width: 260px; }

.bom-actions-col { width: 120px; }

.bom-actions { display: flex; gap: 0.3rem; justify-content: flex-end; }

.inv-btn--xs { padding: 0.15rem 0.45rem; font-size: 0.72rem; border-radius: 4px; }

.inv-btn--danger {
  background: rgba(248,113,113,0.12);
  color: var(--red);
  border: 1px solid rgba(248,113,113,0.3);
}
.inv-btn--danger:hover {
  background: rgba(248,113,113,0.22);
}

.bom-add-card { margin-top: 1.25rem; }

.bom-add-trigger { margin-top: 0.75rem; }

/* Inline quantity input inside BOM table */
.bom-qty-input {
  padding: 0.2rem 0.4rem;
  font-size: 0.85rem;
  text-align: right;
}