:root {
  --sidebar: #0b1f3d;
  --sidebar-2: #0f2a52;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --high: #2563eb;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --font: "Inter", "Segoe UI", sans-serif;
  --scrollbar-size: 10px;
  --scrollbar-track: #e8eef5;
  --scrollbar-thumb: #94a3b8;
  --scrollbar-thumb-hover: #64748b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border-radius: 999px;
  border: 2px solid var(--scrollbar-track);
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background-color: var(--scrollbar-thumb-hover);
}
::-webkit-scrollbar-corner {
  background: var(--scrollbar-track);
}
@supports (-moz-appearance: none) {
  * {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  }
}

a { color: inherit; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  --scrollbar-track: rgba(7, 20, 42, 0.55);
  --scrollbar-thumb: rgba(199, 215, 245, 0.42);
  --scrollbar-thumb-hover: rgba(219, 231, 255, 0.72);
  width: 260px;
  background: linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-2) 100%);
  color: #dbe7ff;
  position: sticky;
  top: 0;
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  z-index: 40;
  overflow: hidden;
  flex-shrink: 0;
}
.sidebar-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.brand { padding: 8px 10px 22px; flex-shrink: 0; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--primary); display: grid; place-items: center;
  color: #fff; font-weight: 700; margin-bottom: 12px;
}
.brand h1 { font-size: 20px; margin: 0; color: #fff; letter-spacing: -0.03em; }
.brand small { display: block; margin-top: 4px; font-size: 11px; color: #93c5fd; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; color: #c7d7f5; text-decoration: none;
  margin-bottom: 4px; transition: 0.15s ease;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-group { margin-bottom: 14px; }
.nav-group-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7f9cc7;
  padding: 8px 12px 4px;
}
.sidebar-foot { margin-top: auto; flex-shrink: 0; font-size: 11px; color: #7f9cc7; padding: 12px; }
#mobileMenu {
  --scrollbar-track: rgba(7, 20, 42, 0.55);
  --scrollbar-thumb: rgba(199, 215, 245, 0.42);
  --scrollbar-thumb-hover: rgba(219, 231, 255, 0.72);
}
#mobileMenu .offcanvas-body {
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.content { flex: 1; min-width: 0; }
.topbar {
  background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px; padding: 12px 24px;
  position: sticky; top: 0; z-index: 30;
}
.page { padding: 24px; padding-bottom: 96px; }
.page-title { font-size: 24px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.03em; }
.breadcrumb { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.search-wrap { flex: 1; position: relative; max-width: 420px; }
.search-wrap input {
  width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px 9px 36px;
  background: #f8fafc;
}
.search-wrap i { position: absolute; left: 12px; top: 10px; color: var(--muted); }
.search-results {
  position: absolute; top: 42px; left: 0; right: 0; background: #fff;
  border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); display: none; z-index: 50;
}
.search-results a { display: block; padding: 10px 12px; text-decoration: none; }
.search-results a:hover { background: #f8fafc; }
.card-soft {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.dash-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.dash-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.chart-donut { width: 180px; height: 180px; flex: 0 0 180px; position: relative; }
.chart-line { height: 240px; position: relative; }
.chart-donut canvas,
.chart-line canvas { display: block; }
.range-select { width: auto; min-width: 160px; }
.page .breadcrumb { margin-bottom: 0; }
.command-box {
  display: block;
  margin: 0;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (min-width: 992px) {
  .dash-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dash-charts { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
}
.field-validation-error,
span.text-danger {
  display: block;
  color: #dc2626 !important;
  font-size: 13px;
  margin-top: 4px;
}
.input-validation-error {
  border-color: #dc2626 !important;
}
.validation-banner {
  display: block;
  background: #fef2f2;
  border: 1px solid #f87171;
  color: #9f1239;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 500;
}
.validation-banner strong {
  display: block;
  margin-bottom: 6px;
  color: #9f1239;
}
.validation-banner-item { color: #9f1239; }
.kpi { padding: 18px; display: flex; gap: 14px; align-items: flex-start; height: 100%; }
a.kpi-link { color: inherit; text-decoration: none; }
a.kpi-link:hover { border-color: #cbd5e1; }
.kpi-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff; flex: 0 0 42px; }
.kpi h3 { margin: 0; font-size: 13px; color: var(--muted); font-weight: 500; }
.kpi strong { font-size: 22px; letter-spacing: -0.04em; line-height: 1.2; word-break: break-word; }
.table { margin: 0; }
.table thead th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.badge-high { background: #dbeafe; color: #1d4ed8; }
.badge-normal { background: #dcfce7; color: #166534; }
.badge-low { background: #ffedd5; color: #c2410c; }
.badge-out { background: #fee2e2; color: #b91c1c; }
.qty-pos { color: var(--success); font-weight: 600; }
.qty-neg { color: var(--danger); font-weight: 600; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.thumb, .thumb-lg {
  object-fit: cover; background: #eef2ff; border-radius: 10px; border: 1px solid var(--border);
}
.thumb { width: 40px; height: 40px; }
.thumb-lg { width: 280px; max-width: 100%; height: 280px; }
.image-picker { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.image-picker img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #eef2ff;
}
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state i { font-size: 36px; color: var(--primary); }
.bottom-nav {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; background: #fff;
  border-top: 1px solid var(--border); z-index: 40; padding: 6px 8px calc(8px + env(safe-area-inset-bottom));
}
.bottom-nav a {
  flex: 1; text-align: center; color: var(--muted); text-decoration: none; font-size: 11px; padding: 6px 0;
}
.bottom-nav a.active { color: var(--primary); }
.bottom-nav .fab {
  width: 52px; height: 52px; border-radius: 16px; background: var(--primary); color: #fff !important;
  display: grid; place-items: center; margin-top: -22px; box-shadow: 0 8px 20px rgba(37,99,235,.35);
}
.login-page {
  min-height: 100vh; display: flex; flex-direction: column;
  background: radial-gradient(circle at top left, #1d4ed8 0, #0b1f3d 46%, #020617 100%);
}
.login-page .demo-reset-banner { flex: 0 0 auto; }
.demo-reset-banner {
  background: #fff7ed; border-bottom: 1px solid #fdba74; color: #9a3412;
  text-align: center; padding: 8px 16px; font-size: 13px; font-weight: 500;
}
.login-card { width: 100%; max-width: 440px; background: #fff; border-radius: 20px; padding: 32px; margin: auto; }
.demo-box { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 12px; padding: 14px; }
.product-hero { display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.mobile-cards { display: none; }
.barcode-input { font-size: 22px; letter-spacing: 0.08em; padding: 16px; }
@media (max-width: 991px) {
  .sidebar { display: none; }
  .product-hero { grid-template-columns: 1fr; }
  .bottom-nav { display: flex; }
  .desktop-table { display: none; }
  .mobile-cards { display: grid; gap: 12px; }
  .topbar { padding: 10px 14px; }
  .page { padding: 16px; }
}
@media print {
  .sidebar, .topbar, .bottom-nav, .offcanvas, .toast-container, .no-print, .demo-reset-banner { display: none !important; }
  .app-shell { display: block; }
  .content { width: 100%; }
  .page { padding: 0; }
  .card-soft { box-shadow: none; border: none; }
  body { background: #fff; }
  .label-sheet { gap: 8px; }
}
.label-sheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.label-card { border: 1px solid #d7dde6; border-radius: 8px; padding: 12px; break-inside: avoid; }