/* Lab Inventory — UI styles */
:root {
  --bg: #f4f6f8; --surface: #ffffff; --surface-2: #f8fafb; --border: #e1e6ec; --border-strong: #c9d2dc;
  --text: #1b2430; --muted: #5d6a78; --faint: #8b97a4;
  --primary: #1f6f5c; --primary-hover: #185a4a; --primary-soft: #e6f2ee; --on-primary: #fff;
  --danger: #b42318; --danger-soft: #fdecea; --warn: #9a5b00; --warn-soft: #fff4e0; --ok: #1d7a4e; --ok-soft: #e5f5ec;
  --info: #1f5fa8; --info-soft: #e8f0fb;
  --cell-empty: #eef1f4; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 4px 16px rgba(16,24,40,.06);
  --radius: 10px; --sidebar: 224px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419; --surface: #171d24; --surface-2: #1c232b; --border: #2a333d; --border-strong: #3a4552;
    --text: #e6ebf0; --muted: #a0acb8; --faint: #76828e;
    --primary: #3fae8f; --primary-hover: #52c1a1; --primary-soft: #16322b; --on-primary: #06140f;
    --danger: #f08a80; --danger-soft: #3a1b18; --warn: #f0b457; --warn-soft: #34270f; --ok: #6fd3a0; --ok-soft: #14301f;
    --info: #86b6f0; --info-soft: #152538; --cell-empty: #222a33; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.3);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 22px; font-weight: 650; }
h2 { font-size: 16px; font-weight: 620; }
h3 { font-size: 14px; font-weight: 620; }
code { font: 12.5px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); } .faint { color: var(--faint); } .small { font-size: 12.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
[hidden] { display: none !important; }
svg { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar); background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; font-weight: 650; font-size: 15px; }
.brand img { border-radius: 7px; }
.nav { display: flex; flex-direction: column; gap: 2px; padding: 6px 10px; flex: 1; }
.nav a { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 8px; color: var(--muted); font-weight: 520; }
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--primary-soft); color: var(--primary); }
.nav .pill { margin-left: auto; }
.sidebar-foot { border-top: 1px solid var(--border); padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.me { font-weight: 560; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.main-wrap { flex: 1; margin-left: var(--sidebar); min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 15; display: flex; gap: 12px; align-items: center; padding: 12px 28px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.main { padding: 24px 28px 60px; max-width: 1400px; width: 100%; outline: none; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- Search ---------- */
.search { position: relative; flex: 1; max-width: 620px; }
.search > svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--faint); }
.search input { width: 100%; padding: 9px 12px 9px 36px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; }
.search input:focus { outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); border-color: var(--primary); }
.search-results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); max-height: 70vh; overflow: auto; padding: 6px; }
.sr-group { padding: 6px 8px 2px; font-size: 11px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); }
.sr-item { display: block; width: 100%; text-align: left; padding: 7px 9px; border-radius: 7px; border: 0; background: none; color: var(--text); font: inherit; cursor: pointer; }
.sr-item:hover, .sr-item.focus { background: var(--primary-soft); }
.sr-item small { display: block; color: var(--muted); }

/* ---------- Buttons & forms ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: 560 13.5px system-ui, sans-serif; cursor: pointer; white-space: nowrap; text-decoration: none !important; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn.xs { padding: 2px 8px; font-size: 12px; border-radius: 6px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.icon-btn { border: 0; background: none; color: var(--muted); padding: 4px; border-radius: 6px; cursor: pointer; display: inline-flex; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn svg { width: 16px; height: 16px; }
input, select, textarea { font: inherit; color: var(--text); }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea, .filters input, .filters select {
  padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); width: 100%; }
.field textarea { min-height: 70px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .filters input:focus, .filters select:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
.field .hint { font-size: 12px; color: var(--faint); }
.field.check { flex-direction: row; align-items: center; gap: 8px; }
.field.check input { width: auto; }
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.grid-form .full { grid-column: 1 / -1; }
.form-error { background: var(--danger-soft); color: var(--danger); padding: 8px 10px; border-radius: 8px; font-size: 13px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; align-items: center; }
.filters input[type=search] { max-width: 280px; }
.filters select { width: auto; min-width: 140px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 5px 11px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--muted); font: 560 12.5px system-ui; cursor: pointer; }
.chip.on { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.chip b { font-weight: 700; margin-left: 4px; }

/* ---------- Cards, tiles, tables ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 10px; gap: 10px; }
.card-body { padding: 0 16px 16px; }
.dash { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; align-items: start; }
.span-12 { grid-column: span 12; } .span-8 { grid-column: span 8; } .span-7 { grid-column: span 7; } .span-6 { grid-column: span 6; } .span-5 { grid-column: span 5; } .span-4 { grid-column: span 4; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; display: block; color: var(--text); }
.tile:hover { border-color: var(--primary); text-decoration: none; }
.tile .label { color: var(--muted); font-size: 12.5px; font-weight: 560; }
.tile .value { font-size: 26px; font-weight: 680; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile.warn .value { color: var(--warn); } .tile.danger .value { color: var(--danger); }
.meter { height: 8px; border-radius: 99px; background: var(--cell-empty); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--primary); border-radius: 99px; }
.unit-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 9px 0; border-top: 1px solid var(--border); }
.unit-row:first-child { border-top: 0; }
.unit-row .meter { grid-column: 1 / -1; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 9px 0; border-top: 1px solid var(--border); display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; }
.list li:first-child { border-top: 0; }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; font-weight: 650; color: var(--muted); background: var(--surface-2); position: sticky; top: 0; white-space: nowrap; }
th[data-sort] { cursor: pointer; } th[data-sort]:hover { color: var(--text); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover td { background: var(--surface-2); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap, th.nowrap { white-space: nowrap; }
.cb { width: 34px; }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 10px 2px; color: var(--muted); font-size: 13px; gap: 10px; flex-wrap: wrap; }
.empty { padding: 36px 16px; text-align: center; color: var(--muted); }
.empty h3 { color: var(--text); margin-bottom: 4px; }
.pill, .badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 620; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.pill { background: var(--primary); color: var(--on-primary); border: 0; }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge.info { background: var(--info-soft); color: var(--info); border-color: transparent; }
.dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; flex: none; }
.bulkbar { display: flex; align-items: center; gap: 10px; padding: 8px 12px; margin-bottom: 10px; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary); font-weight: 560; flex-wrap: wrap; }

/* ---------- Storage ---------- */
.storage { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 18px; align-items: start; }
.storage > * { min-width: 0; }
.tree { position: sticky; top: 78px; max-height: calc(100vh - 100px); overflow: auto; padding: 8px; }
.tree-unit { margin-bottom: 4px; }
.tree-row { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-radius: 7px; cursor: pointer; color: var(--text); }
.tree-row:hover { background: var(--surface-2); }
.tree-row.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.tree-row .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-row .tools { display: none; gap: 2px; }
.tree-row:hover .tools { display: inline-flex; }
.tree-row .count { font-size: 11.5px; color: var(--faint); font-variant-numeric: tabular-nums; }
.tree-unit > .tree-row { font-weight: 620; }
.tree-children { margin-left: 14px; border-left: 1px solid var(--border); padding-left: 6px; }
.caret { transition: transform .15s; width: 14px; height: 14px; color: var(--faint); }
.collapsed > .tree-row .caret { transform: rotate(-90deg); }
.collapsed > .tree-children { display: none; }
.unit-ico { min-width: 24px; height: 22px; padding: 0 3px; border-radius: 6px; display: inline-grid; place-items: center; font-size: 9.5px; font-weight: 700; color: #fff; flex: none; }
.box-view .card-head { flex-wrap: wrap; }
.crumbs { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.boxgrid-wrap { overflow: auto; padding: 4px 16px 16px; }
.boxgrid { display: grid; gap: 5px; min-width: max-content; }
.boxgrid .hdr { font-size: 11.5px; font-weight: 650; color: var(--faint); display: grid; place-items: center; }
.cell { width: 76px; height: 58px; border-radius: 8px; border: 1px solid transparent; background: var(--cell-empty); padding: 5px 6px; cursor: pointer; text-align: left; font: inherit; color: var(--text); overflow: hidden; position: relative; display: flex; flex-direction: column; justify-content: space-between; }
.cell:hover { border-color: var(--primary); }
.cell.empty-cell { color: var(--faint); align-items: center; justify-content: center; font-size: 11px; }
.cell.empty-cell:hover::after { content: "+"; font-size: 18px; color: var(--primary); }
.cell.empty-cell:hover span { display: none; }
.cell.filled { background: color-mix(in srgb, var(--c) 18%, var(--surface)); border-color: color-mix(in srgb, var(--c) 45%, transparent); }
.cell.filled::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--c); }
.cell .sid { font-size: 11.5px; font-weight: 650; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell .sub { font-size: 10.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell.selected { outline: 3px solid var(--primary); outline-offset: 1px; }
.cell.moving { outline: 3px dashed var(--warn); outline-offset: 1px; }
.cell.hl { animation: pulse 1.4s ease-in-out 2; }
@keyframes pulse { 50% { outline: 3px solid var(--warn); outline-offset: 2px; } }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); padding: 0 16px 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.mode-banner { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 14px; border-radius: var(--radius); background: var(--warn-soft); color: var(--warn); font-weight: 560; margin-bottom: 12px; flex-wrap: wrap; }

/* ---------- Detail drawer ---------- */
.drawer { position: fixed; inset: 0; z-index: 40; background: rgba(10, 15, 20, .35); display: flex; justify-content: flex-end; }
.drawer-panel { width: min(480px, 100vw); height: 100%; background: var(--surface); box-shadow: var(--shadow); overflow: auto; animation: slide .18s ease-out; display: flex; flex-direction: column; }
@keyframes slide { from { transform: translateX(30px); opacity: .5; } }
.drawer-head { padding: 18px 20px 12px; border-bottom: 1px solid var(--border); display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.drawer-body { padding: 16px 20px 24px; display: flex; flex-direction: column; gap: 18px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 7px 12px; margin: 0; }
.kv dt { color: var(--muted); font-size: 12.5px; font-weight: 560; }
.kv dd { margin: 0; word-break: break-word; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 7px 0 7px 16px; border-left: 2px solid var(--border); position: relative; font-size: 13px; }
.timeline li::before { content: ""; position: absolute; left: -5px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.timeline small { color: var(--faint); display: block; }

/* ---------- Modal ---------- */
.modal { border: 0; padding: 0; border-radius: 14px; width: min(640px, calc(100vw - 24px)); background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.25); max-height: calc(100vh - 40px); }
.modal::backdrop { background: rgba(10, 15, 20, .45); }
.modal.wide { width: min(860px, calc(100vw - 24px)); }
.modal-head { padding: 18px 22px 6px; display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.modal-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.modal-body { padding: 12px 22px; max-height: calc(100vh - 200px); overflow: auto; }
.modal-foot { padding: 12px 22px 18px; display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--border); margin-top: 6px; }
.modal-foot .left { margin-right: auto; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; bottom: 18px; right: 18px; z-index: 60; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 9px; box-shadow: var(--shadow); font-weight: 520; max-width: 380px; animation: pop .18s ease-out; }
.toast.error { background: var(--danger); color: #fff; }
@keyframes pop { from { transform: translateY(8px); opacity: 0; } }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 30px; width: min(380px, 100%); display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow); }
.login-card img { border-radius: 10px; }
.login-card p { margin: 0; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.login-card input { padding: 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .span-8, .span-7, .span-6, .span-5, .span-4 { grid-column: span 12; }
}
@media (max-width: 860px) {
  .sidebar { inset: auto 0 0 0; width: 100%; height: 62px; flex-direction: row; border-right: 0; border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
  .brand, .sidebar-foot { display: none; }
  .nav { flex-direction: row; justify-content: space-around; padding: 4px; gap: 0; }
  .nav a { flex-direction: column; gap: 2px; font-size: 10.5px; padding: 6px 4px; flex: 1; text-align: center; }
  .nav a[data-route=activity] { display: none; }
  .nav .pill { position: absolute; margin: 0 0 0 18px; font-size: 10px; padding: 0 5px; }
  .main-wrap { margin-left: 0; padding-bottom: 70px; }
  .topbar { padding: 10px 16px; }
  .main { padding: 18px 16px 40px; }
  .storage { grid-template-columns: 1fr; }
  .tree { position: static; max-height: 40vh; }
  .grid-form { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 110px 1fr; }
  .cell { width: 58px; height: 48px; padding: 4px 5px; }
  .cell .sid { font-size: 10.5px; }
  .main { overflow-x: hidden; }
  .hide-sm { display: none; }
}

/* ---------- Print (box maps) ---------- */
@media print {
  .sidebar, .topbar, .tree, .actions, .mode-banner, .toasts, .no-print { display: none !important; }
  .main-wrap { margin: 0; } .main { padding: 0; } .storage { display: block; }
  .card { border: 0; } body { background: #fff; color: #000; }
  .cell { width: 72px; height: 52px; border: 1px solid #999 !important; background: #fff !important; }
  .cell.filled::before { width: 3px; }
  .cell.empty-cell span { display: none; }
}