:root {
  --aff-navy: #0f1c33;
  --aff-navy-mid: #1a2d4d;
  --aff-accent: #1a6cff;
  --aff-accent-soft: #e8f0ff;
  --aff-surface: #f3f5f9;
  --aff-card: #ffffff;
  --aff-border: #e2e8f2;
  --aff-muted: #6b7a94;
  --aff-text: #152033;
  --aff-success: #0f9f6e;
  --aff-warning: #d97706;
  --aff-danger: #dc2626;
  --aff-radius: 14px;
  --aff-shadow: 0 1px 2px rgba(15, 28, 51, .04), 0 8px 24px rgba(15, 28, 51, .06);
  --aff-font: "Google Sans Flex", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--aff-font);
  background:
    radial-gradient(1200px 500px at 10% -10%, #dbe7ff 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e8eef8 0%, transparent 50%),
    var(--aff-surface);
  color: var(--aff-text);
  min-height: 100vh;
}

a { color: var(--aff-accent); text-decoration: none; }
a:hover { color: #0d4fd6; }

.app-topbar {
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--aff-border);
  min-height: 60px;
  z-index: 1030;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 700;
  color: var(--aff-navy);
  letter-spacing: -.01em;
}

.brand-mark .logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, #1a6cff, #0b3f9c);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px rgba(26,108,255,.35);
}

.brand-mark .sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--aff-muted);
  letter-spacing: .02em;
}

.sidebar {
  background: linear-gradient(180deg, var(--aff-navy) 0%, #0b1528 100%);
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 1rem .85rem 2rem !important;
  border-right: 1px solid rgba(255,255,255,.04);
}

.sidebar .nav-link {
  color: #b7c4da;
  border-radius: 10px;
  padding: .55rem .8rem;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 2px;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}

.sidebar .nav-link i { opacity: .85; }

.sidebar .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.07);
}

.sidebar .nav-link.active {
  background: linear-gradient(135deg, #1a6cff, #1558d6);
  color: #fff;
  box-shadow: 0 8px 18px rgba(26,108,255,.28);
}

.nav-group {
  font-size: 10.5px;
  letter-spacing: .1em;
  color: #7f91b0;
  padding: 1.1rem .8rem .35rem;
  font-weight: 700;
  text-transform: uppercase;
}

.main-wrap { padding: 1.5rem 1.75rem 2.5rem; }

.page-crumb {
  font-size: 12.5px;
  color: var(--aff-muted);
  margin-bottom: .35rem;
}

.page-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
  color: var(--aff-navy);
}

.card, .aff-card {
  background: var(--aff-card);
  border: 1px solid var(--aff-border);
  border-radius: var(--aff-radius);
  box-shadow: var(--aff-shadow);
}

.kpi-card {
  position: relative;
  overflow: hidden;
  padding: 1.1rem 1.15rem;
  transition: transform .18s ease, box-shadow .18s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15,28,51,.1);
}

.kpi-card .kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--aff-accent-soft);
  color: var(--aff-accent);
  margin-bottom: .75rem;
}

.kpi-card .kpi-label {
  font-size: 12.5px;
  color: var(--aff-muted);
  font-weight: 500;
}

.kpi-card .kpi-value {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--aff-navy);
  line-height: 1.2;
}

.kpi-card .kpi-hint {
  font-size: 11.5px;
  color: var(--aff-muted);
  margin-top: .35rem;
}

.table {
  --bs-table-hover-bg: #f7f9fc;
  margin-bottom: 0;
}

.table thead th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--aff-muted);
  font-weight: 600;
  border-bottom-width: 1px;
  background: #f8fafc !important;
  white-space: nowrap;
}

.table td {
  font-size: 14px;
  vertical-align: middle;
  border-color: #eef2f7;
}

.btn {
  border-radius: 10px;
  font-weight: 600;
  font-size: 13.5px;
  padding: .45rem .9rem;
}

.btn-primary {
  background: linear-gradient(135deg, #1a6cff, #1557d4);
  border: none;
  box-shadow: 0 6px 14px rgba(26,108,255,.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1557d4, #0f4ab8);
}

.btn-outline-secondary {
  border-color: var(--aff-border);
  color: var(--aff-navy-mid);
}

.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--aff-border);
  font-size: 14px;
  padding: .55rem .8rem;
}

.form-control:focus, .form-select:focus {
  border-color: #8bb4ff;
  box-shadow: 0 0 0 .2rem rgba(26,108,255,.15);
}

.input-group-text {
  border-radius: 10px;
  border-color: var(--aff-border);
  background: #f8fafc;
  color: var(--aff-muted);
}

.badge-soft {
  font-weight: 600;
  font-size: 11.5px;
  padding: .35em .65em;
  border-radius: 999px;
}

.badge-soft-success { background: #dcfce7; color: #166534; }
.badge-soft-warning { background: #fef3c7; color: #92400e; }
.badge-soft-danger { background: #fee2e2; color: #991b1b; }
.badge-soft-info { background: #e0e7ff; color: #3730a3; }
.badge-soft-muted { background: #eef2f7; color: #475569; }

.filter-bar {
  background: #fff;
  border: 1px solid var(--aff-border);
  border-radius: var(--aff-radius);
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
  box-shadow: var(--aff-shadow);
}

.panel {
  background: #fff;
  border: 1px solid var(--aff-border);
  border-radius: var(--aff-radius);
  box-shadow: var(--aff-shadow);
  padding: 1.15rem;
}

.panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--aff-navy);
  margin-bottom: .85rem;
}

.btn-group .btn { min-width: 34px; }

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    linear-gradient(135deg, rgba(15,28,51,.92), rgba(26,108,255,.55)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
}

.auth-hero h1 {
  color: #fff;
  font-weight: 700;
  letter-spacing: -.02em;
}

.auth-hero p { color: rgba(255,255,255,.8); }

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .7rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: #334155;
  font-size: 12.5px;
  font-weight: 600;
}

.product-name { font-weight: 600; color: var(--aff-navy); }
.product-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--aff-muted);
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--aff-muted);
}

@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    inset: 60px auto 0 0;
    width: min(280px, 86vw);
    z-index: 1040;
    height: calc(100vh - 60px);
  }
}