:root{
  --base:#F5F6F3; --surface:#FFFFFF; --ink:#14181C; --muted:#5B6470; --line:#E1E4E1;
  --accent:#C97A1A; --accent-dark:#A9640F; --accent-soft:#FBEEDD;
  --available:#2F7D4F; --available-soft:#E7F3EC;
  --assigned:#0284C7; --assigned-soft:#E0F2FE;
  --maint:#C97A1A; --maint-soft:#FBEEDD;
  --damaged:#B3402E; --damaged-soft:#FBEAE6;
  --lost:#6B7280; --lost-soft:#EEF0F1;
  --disposed:#14181C;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--base);color:var(--ink);font-family:'Inter',ui-sans-serif,system-ui,sans-serif;}
::selection{background:var(--accent-soft);}
a{color:inherit;text-decoration:none;}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace;}

#app{display:flex;min-height:100vh;}

/* ---------- Sidebar ---------- */
#sidebar{width:240px;flex-shrink:0;background:var(--ink);color:#fff;display:flex;flex-direction:column;max-height:100vh;overflow-y:auto;position:sticky;top:0;}
.brand{display:flex;align-items:center;gap:10px;padding:28px 24px;}
.brand-name{font-size:15px;font-weight:600;line-height:1;}
.brand-sub{font-size:11px;color:rgba(255,255,255,.35);margin-top:4px;}
nav.nav{flex:1;padding:8px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;}
.nav a{position:relative;padding:10px 14px;border-radius:3px;font-size:14px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:10px;}
.nav-icon{width:16px;height:16px;flex-shrink:0;opacity:.85;}
.nav a:hover{color:rgba(255,255,255,.9);background:rgba(255,255,255,.04);}
.nav a.active{color:#fff;background:rgba(255,255,255,.07);}
.nav a.active::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--accent);border-radius:2px;}
.nav .sub{padding-left:10px;display:flex;flex-direction:column;gap:2px;}
.nav .sub a{font-size:13.5px;padding:8px 14px;}
.nav-label{padding:6px 14px;font-size:11.5px;color:rgba(255,255,255,.35);margin-top:2px;}
.nav-divider{height:1px;background:rgba(255,255,255,.1);margin:8px 6px;}
.sidebar-foot{padding:20px 24px;font-size:12px;color:rgba(255,255,255,.35);border-top:1px solid rgba(255,255,255,.1);line-height:1.5;}

/* ---------- Content ---------- */
#main{flex:1;min-width:0;display:flex;flex-direction:column;}
#topbar{
  position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line);
  padding:12px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
#topbarSearchWrap{flex:1;max-width:420px;}
#topbarSearch{width:100%;background:var(--base);border:1px solid var(--line);border-radius:4px;padding:9px 14px;font-size:13.5px;font-family:inherit;outline:none;}
#topbarSearch:focus{border-color:var(--accent);}
#topbarRight{display:flex;align-items:center;gap:12px;position:relative;}
.icon-btn{position:relative;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);}
.icon-btn:hover{background:var(--base);color:var(--ink);}
.notif-dot{position:absolute;top:7px;right:8px;width:7px;height:7px;border-radius:50%;background:var(--damaged);border:1.5px solid var(--surface);}
.notif-panel, .user-panel{
  position:absolute;top:44px;right:0;background:var(--surface);border:1px solid var(--line);border-radius:6px;
  box-shadow:0 12px 32px rgba(20,24,28,.14);width:320px;max-height:400px;overflow-y:auto;z-index:30;
}
.user-panel{width:200px;max-height:none;}
.notif-panel .head, .user-panel .head{padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px;font-weight:600;}
.notif-item{padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px;}
.notif-item:last-child{border-bottom:none;}
.notif-item .t{font-weight:500;}
.notif-item .m{color:var(--muted);font-size:12px;margin-top:2px;}
.notif-empty{padding:24px 16px;text-align:center;color:var(--muted);font-size:13px;}
.user-chip{width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;border:none;font-size:12.5px;font-weight:600;cursor:pointer;font-family:'IBM Plex Mono',monospace;}
.user-panel a, .user-panel button.plain{display:block;width:100%;text-align:left;padding:10px 16px;font-size:13.5px;background:none;border:none;cursor:pointer;color:var(--ink);font-family:inherit;}
.user-panel a:hover, .user-panel button.plain:hover{background:var(--base);}

#content{flex:1;padding:32px 40px;max-width:1400px;}
h1.page-title{font-size:22px;font-weight:600;letter-spacing:-.01em;margin:0;}
p.page-sub{color:var(--muted);font-size:14px;margin:4px 0 0;}
header.page-header{margin-bottom:28px;}

/* ---------- Cards / surfaces ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:0 1px 2px rgba(20,24,28,.04);}
.card-pad{padding:20px;}
.card-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
.card-head h2{font-size:14.5px;font-weight:600;margin:0;}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px 18px;box-shadow:0 1px 2px rgba(20,24,28,.04);display:flex;align-items:flex-start;gap:12px;transition:box-shadow .15s;}
.stat-card:hover{box-shadow:0 4px 14px rgba(20,24,28,.08);}
.stat-icon{width:38px;height:38px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.stat-icon svg{width:19px;height:19px;}
.stat-body{min-width:0;}
.stat-card .val{font-size:21px;font-weight:600;font-family:'IBM Plex Mono',monospace;line-height:1.1;}
.stat-card .lbl{font-size:12.5px;font-weight:500;margin-top:5px;color:var(--ink);}
.stat-card .sub{font-size:11px;color:var(--muted);margin-top:2px;}

.qa-row{display:flex;flex-wrap:wrap;gap:8px;}
.qa-btn{border:1px solid var(--line);font-size:13px;font-weight:500;padding:8px 14px;border-radius:2px;background:var(--surface);cursor:pointer;}
.qa-btn:hover{background:var(--base);border-color:rgba(20,24,28,.2);}

.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px;}
.chart-box{height:250px;}
.legend-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:8px;}
.legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);}
.legend-dot{width:8px;height:8px;border-radius:50%;}

.grid-5{display:grid;grid-template-columns:3fr 2fr;gap:24px;}
.list-row{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);}
.list-row:last-child{border-bottom:none;}
.list-row:hover{background:rgba(0,0,0,.02);}
.list-title{font-size:14px;font-weight:500;}
.list-meta{font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:3px;font-size:12.5px;font-weight:500;white-space:nowrap;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-available{background:var(--available-soft);color:var(--available);}
.badge-assigned{background:var(--assigned-soft);color:var(--assigned);}
.badge-maintenance{background:var(--maint-soft);color:var(--maint);}
.badge-damaged{background:var(--damaged-soft);color:var(--damaged);}
.badge-lost{background:var(--lost-soft);color:var(--lost);}
.badge-disposed{background:rgba(20,24,28,.08);color:rgba(20,24,28,.6);}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px;}
thead tr{border-bottom:1px solid var(--line);text-align:left;color:var(--muted);}
th{padding:12px 20px;font-weight:500;}
td{padding:14px 20px;border-bottom:1px solid var(--line);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(0,0,0,.02);}
.empty-row td{text-align:center;color:var(--muted);padding:32px;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-grid.single{grid-template-columns:1fr;}
.field{margin-bottom:0;}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.field input, .field select, .field textarea{
  width:100%;background:var(--base);border:1px solid var(--line);border-radius:2px;
  padding:10px 14px;font-size:13.5px;font-family:inherit;outline:none;
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--accent);}
.col-span-2{grid-column:span 2;}
.form-actions{display:flex;justify-content:flex-end;margin-top:8px;}

.btn{border:none;font-size:13.5px;font-weight:500;padding:10px 20px;border-radius:2px;cursor:pointer;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:rgba(20,24,28,.85);}
.btn-primary:disabled{opacity:.5;cursor:default;}
.btn-danger{background:var(--damaged);color:#fff;}
.btn-danger:hover{opacity:.85;}
.btn-outline{border:1px solid var(--line);background:var(--surface);font-size:13px;font-weight:500;padding:8px 14px;border-radius:2px;cursor:pointer;}
.btn-outline:hover{background:var(--base);}
.btn-outline.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-dark);}
.btn-outline:disabled{cursor:default;}

.alert{padding:12px 16px;border-radius:2px;font-size:13.5px;margin-bottom:20px;}
.alert-error{background:var(--damaged-soft);color:var(--damaged);}

.search-row{display:flex;gap:12px;margin-bottom:20px;}
.search-row input{flex:1;}

.action-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}

.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;font-size:13.5px;}
.dl-grid dt{color:var(--muted);}
.dl-grid dd{margin:2px 0 0;}

.loading{color:var(--muted);font-size:14px;padding:20px 0;}

/* ---------- Scan page ---------- */
#reader{max-width:340px;margin:0 auto;border-radius:2px;overflow:hidden;background:rgba(20,24,28,.05);}
.divider-row{display:flex;align-items:center;gap:12px;margin:20px 0;}
.divider-row .line{flex:1;height:1px;background:var(--line);}
.divider-row span{font-size:12px;color:var(--muted);}
.manual-scan{display:flex;gap:8px;max-width:360px;margin:0 auto;}

@media(max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .charts-row, .grid-5, .form-grid{grid-template-columns:1fr;}
  .col-span-2{grid-column:span 1;}
}

/* ---------- Filter row (assets list) ---------- */
.filter-row{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;align-items:center;}
.filter-row input{flex:1;min-width:200px;}
.filter-row select{width:170px;}
.filter-row input, .filter-row select{
  background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:9px 12px;font-size:13.5px;font-family:inherit;outline:none;
}
.filter-row input:focus, .filter-row select:focus{border-color:var(--accent);}

/* ---------- Pagination ---------- */
.pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.pagination .pg-btns{display:flex;gap:6px;}
.pagination button{border:1px solid var(--line);background:var(--surface);border-radius:4px;width:30px;height:30px;cursor:pointer;font-size:12.5px;}
.pagination button:hover:not(:disabled){background:var(--base);}
.pagination button:disabled{opacity:.4;cursor:default;}
.pagination button.current{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ---------- Row action buttons ---------- */
.row-actions{display:flex;gap:6px;justify-content:flex-end;}
.icon-link{width:28px;height:28px;border-radius:4px;border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);}
.icon-link:hover{background:var(--base);color:var(--ink);}
.icon-link.danger:hover{background:var(--damaged-soft);color:var(--damaged);border-color:var(--damaged);}

/* ---------- QR sticker ---------- */
.qr-sticker{
  border:1.5px solid var(--ink); border-radius:8px; padding:20px 22px; text-align:center;
  width:230px; background:var(--surface); box-shadow:0 1px 3px rgba(20,24,28,.08);
}
.qr-sticker .brand{font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;}
.qr-sticker .qr-wrap{border:1px solid var(--line);border-radius:4px;padding:10px;margin:10px 0;display:inline-block;}
.qr-sticker .tag{font-family:'IBM Plex Mono',monospace;font-size:17px;font-weight:700;letter-spacing:.02em;margin-top:2px;}
.qr-sticker .name{font-size:12.5px;color:var(--ink);margin-top:3px;font-weight:500;}
.qr-sticker .cat{font-size:10.5px;color:var(--muted);margin-top:1px;}
.qr-sticker .foot{font-size:8.5px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-top:10px;padding-top:8px;border-top:1px dashed var(--line);}
@media print{
  #sidebar, #topbar, .no-print{display:none !important;}
  #content{padding:0;}
  body{background:#fff;}
}