/* ============================================================
   LAZO DESIGN SYSTEM — Premium Retail Analytics
   ============================================================ */

:root {
  /* Primary */
  --primary-900: #0F1D30;
  --primary-800: #162B45;
  --primary-700: #1E3A5F;
  --primary-600: #2A4F7A;
  --primary-500: #3A6699;
  --primary: #1E3A5F;

  /* Accent — Warm Gold */
  --accent-400: #D4B896;
  --accent-500: #C4956A;
  --accent-600: #B07D4F;
  --accent: #C4956A;

  /* Semantic */
  --success-50: #ECFDF5;
  --success-500: #059669;
  --success-600: #047857;
  --danger-50: #FEF2F2;
  --danger-500: #DC2626;
  --danger-600: #B91C1C;
  --warning-50: #FFFBEB;
  --warning-500: #D97706;
  --warning-600: #B45309;
  --info-500: #4A90D9;

  /* Neutrals */
  --neutral-0: #FFFFFF;
  --neutral-50: #F9FAFB;
  --neutral-100: #F3F4F6;
  --neutral-200: #E5E7EB;
  --neutral-300: #D1D5DB;
  --neutral-400: #9CA3AF;
  --neutral-500: #6B7280;
  --neutral-600: #4B5563;
  --neutral-700: #374151;
  --neutral-800: #1F2937;
  --neutral-900: #111827;

  /* Chart Palette */
  --chart-1: #1E3A5F;
  --chart-2: #C4956A;
  --chart-3: #4A90D9;
  --chart-4: #059669;
  --chart-5: #D97706;
  --chart-6: #DC2626;
  --chart-7: #6366F1;
  --chart-8: #8B5CF6;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ---- Global ---- */
body {
  font-family: var(--font-sans);
  color: var(--neutral-800);
  background: var(--neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Typography Scale ---- */
.text-display { font-size: 48px; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.text-h1      { font-size: 32px; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
.text-h2      { font-size: 24px; font-weight: 600; line-height: 1.3; }
.text-h3      { font-size: 18px; font-weight: 600; line-height: 1.4; }
.text-body    { font-size: 14px; font-weight: 400; line-height: 1.5; }
.text-caption { font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: 0.02em; }
.text-micro   { font-size: 10px; font-weight: 600; line-height: 1.4; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---- Sidebar ---- */
.sidebar {
  background: linear-gradient(180deg, var(--primary-800) 0%, var(--primary-900) 100%);
  border-right: 1px solid rgba(255,255,255,0.05);
}
.sidebar .nav-link {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 8px;
}
.sidebar .nav-link:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.08);
}
.sidebar .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,0.12);
  box-shadow: inset 3px 0 0 var(--accent);
}
.sidebar .nav-link svg {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}
.sidebar .nav-link.active svg {
  opacity: 1;
}

/* ---- Top Bar ---- */
.topbar {
  background: var(--neutral-0);
  border-bottom: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}
.topbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

/* ---- Cards ---- */
.card {
  background: var(--neutral-0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* ---- KPI Cards ---- */
.kpi-card {
  background: var(--neutral-0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.kpi-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.kpi-card:hover::before {
  opacity: 1;
}
.kpi-card .kpi-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-500);
  margin-bottom: var(--space-2);
}
.kpi-card .kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.kpi-card .kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-top: var(--space-2);
  padding: 2px 8px;
  border-radius: 999px;
}
.kpi-card .kpi-delta.positive {
  color: var(--success-600);
  background: var(--success-50);
}
.kpi-card .kpi-delta.negative {
  color: var(--danger-600);
  background: var(--danger-50);
}

/* ---- Chart Container ---- */
.chart-card {
  background: var(--neutral-0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.chart-card .chart-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--neutral-100);
}
.chart-card .chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--neutral-700);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.chart-card .chart-body {
  padding: var(--space-4);
}

/* ---- Filter Pills ---- */
.filter-pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--neutral-300);
  background: var(--neutral-0);
  color: var(--neutral-600);
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 4px rgba(30,58,95,0.3);
}

/* ---- Tables ---- */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.data-table thead th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--neutral-500);
  background: var(--neutral-50);
  padding: 10px 14px;
  border-bottom: 2px solid var(--neutral-200);
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
}
.data-table tbody td {
  font-size: 13px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--neutral-100);
  color: var(--neutral-800);
}
.data-table tbody tr:hover td {
  background: var(--neutral-50);
}
.data-table tbody tr:last-child td {
  border-bottom: none;
}
.data-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* ---- Status Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-success { background: var(--success-50); color: var(--success-600); }
.badge-danger  { background: var(--danger-50);  color: var(--danger-600);  }
.badge-warning { background: var(--warning-50); color: var(--warning-600); }
.badge-info    { background: #EFF6FF;           color: #2563EB;           }
.badge-neutral { background: var(--neutral-100); color: var(--neutral-600); }

/* ---- Positive / Negative Values ---- */
.val-positive { color: var(--success-600); }
.val-negative { color: var(--danger-600);  }

/* ---- Loading Skeleton ---- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--neutral-100) 25%, var(--neutral-200) 50%, var(--neutral-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ---- Fade In Animation ---- */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeSlideUp 0.3s ease-out forwards;
}

/* ---- Chart Entrance ---- */
.chart-card {
  animation: fadeSlideUp 0.35s ease-out forwards;
}
.chart-card:nth-child(2) { animation-delay: 0.05s; }
.chart-card:nth-child(3) { animation-delay: 0.1s;  }
.chart-card:nth-child(4) { animation-delay: 0.15s; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--neutral-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--neutral-400); }
* { scrollbar-width: thin; scrollbar-color: var(--neutral-300) transparent; }

/* ---- Print ---- */
@media print {
  .sidebar, .topbar, .filter-bar, [data-no-print] { display: none !important; }
  body { background: #fff; }
  .card, .kpi-card, .chart-card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  .chart-card { page-break-inside: avoid; }
  @page { margin: 1.5cm; size: A4 landscape; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .kpi-card .kpi-value { font-size: 22px; }
  .data-table { font-size: 12px; }
  .data-table thead th, .data-table tbody td { padding: 7px 10px; }
}