/* ═══════════════════════════════════════════════════
   DESIGN SYSTEM — High-Contrast Premium Dashboard Theme
   Inspired by Vercel, shadcn/ui, Stripe, & modern Gov Tech portals
   ═══════════════════════════════════════════════════ */

/* ── CSS Variables (Vibrant Theme Tokens) ── */
:root {
  /* Palette */
  --color-bg:           #f1f5f9; /* Rich grey-blue background for maximum contrast */
  --color-surface:      #ffffff;
  --color-surface-alt:  #f8fafc;
  --color-border:       #cbd5e1; /* Darker border for higher contrast */
  --color-border-hover: #94a3b8;
  --color-border-focus: #4f46e5;

  /* Brand / Primary */
  --color-primary:      #4f46e5; /* Vibrant indigo */
  --color-primary-soft: rgba(79, 70, 229, 0.08);
  --color-primary-mid:  rgba(79, 70, 229, 0.2);

  /* Accents - High Contrast */
  --color-emerald:      #059669; /* Rich Emerald */
  --color-emerald-soft: rgba(5, 150, 105, 0.1);
  
  --color-amber:        #d97706; /* Darker Amber for readability */
  --color-amber-soft:   rgba(217, 119, 6, 0.1);
  
  --color-sky:          #0284c7; /* Vibrant Sky Blue */
  --color-sky-soft:     rgba(2, 132, 199, 0.1);
  
  --color-rose:         #dc2626; /* Strong red */
  --color-rose-soft:    rgba(220, 38, 38, 0.1);

  /* Text - High Readability */
  --text-primary:       #0f172a; /* Deep Slate */
  --text-secondary:     #334155; /* Medium Slate */
  --text-muted:         #64748b; /* Cool grey (still readable) */
  --text-inverse:       #ffffff;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm:  0 2px 4px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:  0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg:  0 12px 24px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);

  /* Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --radius-pill: 9999px;

  /* Timing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 200ms;

  /* Typography */
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 0;
  min-height: 100vh;
}

/* ── Dashboard Container ── */
.dashboard {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

/* ── Top Branding (Vibrant Dark Banner Style with Subtle BG Image) ── */
.dashboard > .text-center {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.88) 0%, rgba(15, 23, 42, 0.95) 100%), 
              url('../img/bg.png') no-repeat center center !important;
  background-size: cover !important;
  padding: 36px 24px !important;
  border-radius: var(--radius-xl) !important;
  margin-bottom: 28px !important;
  box-shadow: var(--shadow-lg) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  position: relative;
  overflow: hidden;
}

/* Subtle glowing accent inside the dark banner */
.dashboard > .text-center::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.dashboard > .text-center img {
  height: 80px !important;
  margin-bottom: 16px !important;
  border-radius: 50% !important;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15), 0 8px 24px rgba(0, 0, 0, 0.3) !important;
  transition: transform var(--duration) var(--ease-out);
  position: relative;
  z-index: 1;
}

.dashboard > .text-center img:hover {
  transform: scale(1.08) rotate(5deg);
}

.dashboard > .text-center h2 {
  font-size: 24px !important;
  font-weight: 800 !important;
  color: var(--text-inverse) !important;
  letter-spacing: 1px !important;
  line-height: 1.3;
  margin: 0;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
}

/* ── Header Row ── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.header h1 i {
  color: var(--color-primary) !important;
  font-size: 20px;
  background: var(--color-primary-soft);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary-mid);
}

.badge-date {
  background: var(--color-primary-soft);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-primary-mid);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--duration) var(--ease-out);
  display: flex;
  align-items: center;
}

.badge-date:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.badge-date i {
  margin-right: 8px;
  color: inherit;
}

/* ── Filter Bar ── */
.filter-bar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--duration) var(--ease-out);
}

.filter-bar:hover {
  border-color: var(--color-border-hover);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-group label {
  font-weight: 700;
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-group label i {
  font-size: 13px;
  color: var(--color-primary);
}

.filter-group select {
  padding: 8px 36px 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  min-width: 160px;
  box-shadow: var(--shadow-xs);
}

.filter-group select:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.filter-group select:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* Reset Button (Vibrant & Highlighted) */
#btnResetFilter {
  background: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
  border-radius: var(--radius-pill) !important;
  padding: 8px 20px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  color: var(--text-inverse) !important;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25) !important;
  transition: all var(--duration) var(--ease-out) !important;
  cursor: pointer;
}

#btnResetFilter:hover {
  background: #4338ca !important;
  border-color: #4338ca !important;
  box-shadow: 0 8px 16px rgba(79, 70, 229, 0.35) !important;
  transform: translateY(-1.5px);
}

#btnResetFilter:active {
  transform: translateY(0);
}

/* ── KPI Cards (With Left Border Accent & Vibrant Icons) ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--color-surface);
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--duration) var(--ease-out);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary); /* Strong color indicator */
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

/* Dynamic color styles for borders and backgrounds */
.kpi-card:nth-child(1) { border-left-color: var(--color-primary); }
.kpi-card:nth-child(1) .kpi-icon { background: var(--color-primary-soft); color: var(--color-primary); }

.kpi-card:nth-child(2) { border-left-color: var(--color-emerald); }
.kpi-card:nth-child(2) .kpi-icon { background: var(--color-emerald-soft); color: var(--color-emerald); }

.kpi-card:nth-child(3) { border-left-color: var(--color-amber); }
.kpi-card:nth-child(3) .kpi-icon { background: var(--color-amber-soft) !important; color: var(--color-amber) !important; }

.kpi-card:nth-child(4) { border-left-color: var(--color-sky); }
.kpi-card:nth-child(4) .kpi-icon { background: var(--color-sky-soft) !important; color: var(--color-sky) !important; }

.kpi-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.kpi-content {
  min-width: 0;
}

.kpi-content h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.kpi-content .number {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

/* ── Charts (With Top Border Accent) ── */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary); /* Bold visual anchor */
  transition: all var(--duration) var(--ease-out);
}

.chart-card:nth-child(even) {
  border-top-color: var(--color-sky);
}

.chart-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.chart-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.chart-card h3 i {
  color: var(--color-primary);
  font-size: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary-mid);
}

.chart-wrapper {
  height: 270px;
  position: relative;
}

/* ── DataTable Container (Official & Deep Themed Headers) ── */
.table-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
  transition: all var(--duration) var(--ease-out);
}

.table-wrap:hover {
  box-shadow: var(--shadow-lg);
}

.table-wrap h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.table-wrap h3 i {
  color: var(--color-primary);
  font-size: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary-mid);
}

/* ── DataTables Styling (High Contrast Navy Headers) ── */
.dataTables_wrapper .row {
  margin-bottom: 16px;
  align-items: center;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  font-family: var(--font-sans);
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  transition: all var(--duration) var(--ease-out);
  outline: none;
  color: var(--text-primary);
  font-weight: 500;
}

.dataTables_wrapper .dataTables_length select:focus,
.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

table.dataTable {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md);
  overflow: hidden;
}

table.dataTable thead th {
  background: #1e293b !important; /* Bold, dark header style */
  color: #ffffff !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.8px !important;
  border-bottom: none !important;
  border-top: none !important;
  padding: 14px 16px !important;
  white-space: nowrap;
}

table.dataTable tbody td {
  padding: 12px 16px !important;
  color: var(--text-primary);
  font-size: 13px;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border) !important;
  transition: background var(--duration) var(--ease-out);
}

/* Zebra striping for readability */
table.dataTable tbody tr:nth-child(even) {
  background-color: var(--color-surface-alt);
}

table.dataTable tbody tr:hover td {
  background: var(--color-primary-soft) !important;
  color: var(--color-primary) !important;
}

table.dataTable tbody tr:last-child td {
  border-bottom: none !important;
}

/* DataTable Buttons (Vibrant Outlines) */
.dt-buttons .btn {
  border-radius: var(--radius-pill) !important;
  padding: 6px 16px !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  font-family: var(--font-sans) !important;
  border: 1px solid var(--color-primary-mid) !important;
  background: var(--color-surface) !important;
  color: var(--color-primary) !important;
  transition: all var(--duration) var(--ease-out) !important;
  box-shadow: var(--shadow-xs) !important;
  margin-right: 8px !important;
}

.dt-buttons .btn:hover {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: var(--text-inverse) !important;
  box-shadow: var(--shadow-sm) !important;
  transform: translateY(-1px);
}

/* DataTables Pagination (Vibrant Indigo Active State) */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--color-border) !important;
  font-size: 13px !important;
  padding: 6px 14px !important;
  margin: 0 3px !important;
  transition: all var(--duration) var(--ease-out) !important;
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  background: var(--color-surface) !important;
  color: var(--text-secondary) !important;
  box-shadow: var(--shadow-xs);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--color-surface-alt) !important;
  border-color: var(--color-border-hover) !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-sm) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: var(--text-inverse) !important;
  box-shadow: 0 4px 8px rgba(79, 70, 229, 0.25) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
  color: var(--text-muted) !important;
  opacity: 0.5;
  border-color: var(--color-border) !important;
  box-shadow: none !important;
}

/* ── Responsive breakpoints ── */
@media (max-width: 1200px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 992px) {
  .charts-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .dashboard {
    padding: 24px 16px 40px;
  }
}

@media (max-width: 768px) {
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    border-radius: var(--radius-md);
    padding: 16px;
    gap: 14px;
  }
  .filter-group {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .filter-group select {
    min-width: unset;
    width: 100%;
  }
  .header h1 {
    font-size: 15px !important;
  }
  .badge-date {
    width: 100%;
    justify-content: center;
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .kpi-card {
    padding: 16px;
  }
  .kpi-content .number {
    font-size: 24px;
  }
  .dashboard > .text-center h2 {
    font-size: 18px !important;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .dashboard {
    padding: 16px 12px 32px;
  }
  .dashboard > .text-center img {
    height: 64px !important;
  }
  .table-wrap {
    padding: 16px 12px;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-hover);
}