/* ==========================================================================
   BANKING UTILITY CONSOLE — PREMIUM FINTECH ENTERPRISE DESIGN SYSTEM
   Curated palette, glassmorphism, micro-animations, and tabular typography
   Optimized for high-density desktop displays & multi-calculator workstation
   ========================================================================== */

:root {
  /* Core Luxury Navy & Obsidian Palette */
  --bank-navy: #0F172A;
  --bank-navy-light: #1E293B;
  
  /* Vibrant Fintech Accents */
  --bank-blue: #2563EB;
  --bank-blue-subtle: #EFF6FF;
  
  
  --bank-gold: #D97706;
  --bank-gold-hover: #B45309;
  --bank-gold-subtle: #FEF3C7;
  --bank-gold-bright: #F59E0B;
  
  --bank-emerald-bright: #10B981;
  
  
  --bank-rose-bright: #F43F5E;
  
  --bank-violet-bright: #8B5CF6;
  
  
  /* Slate Surface System */
  --bg-app: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-muted: #E2E8F0;
  
  /* Text Contrast Hierarchy */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;
  
  /* Borders & Dividers */
  --border-subtle: #E2E8F0;
  --border-default: #CBD5E1;
  --border-focus: #3B82F6;
  
  /* Status Semantics */
  --status-success: #059669;
  --status-success-bg: #ECFDF5;
  --status-success-border: #A7F3D0;
  
  --status-danger: #DC2626;
  --status-danger-bg: #FEF2F2;
  --status-danger-border: #FECACA;
  
  --status-warning: #D97706;
  --status-warning-bg: #FFFBEB;
  --status-warning-border: #FDE68A;
  
  --status-info: #0284C7;
  --status-info-bg: #F0F9FF;
  --status-info-border: #BAE6FD;
  
  /* Shadows & Elevation */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.07), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.09), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  
  /* Aliases used by individual tool pages (previously undefined -> silently ignored) */
  --bg-surface-alt: #F8FAFC;
  --font-sans: var(--font-family);
  --primary: var(--bank-blue);
  --danger: var(--status-danger);
  --success: var(--status-success);
  --danger-text: #B91C1C;
  --warn-text: #92400E;

  /* Geometry */
  --radius-xs: 5px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-size: 13.5px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'tnum' 1, 'cv02' 1, 'cv03' 1;
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.4);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.7);
}

/* App Container - Fully Adaptive & Responsive Across All Laptop, Desktop & Large Monitor Sizes */
.app-container {
  width: 100%;
  max-width: min(100% - 24px, 1380px);
  margin: 0 auto;
  padding: 0 8px 24px;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .app-container {
    padding: 0 16px 24px;
    max-width: min(100% - 32px, 1420px);
  }
}

@media (min-width: 1440px) {
  .app-container {
    max-width: min(100% - 48px, 1540px);
  }
}

.app-container > .bank-card:first-of-type,
.app-container > .grid-2:first-of-type,
.app-container > .container:first-of-type {
  margin-top: 0 !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

/* Bank Cards */
.bank-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  padding: 22px;
  margin-bottom: 20px;
  transition: box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.bank-card:hover {
  box-shadow: 0 10px 22px -3px rgba(15, 23, 42, 0.07), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  border-color: var(--border-default);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bank-navy);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
  letter-spacing: -0.01em;
}

/* Grids - Fluid, Multi-Screen Adaptive System */
.grid-2 { 
  display: grid; 
  grid-template-columns: repeat(2, minmax(0, 1fr)); 
  gap: 16px; 
}
.grid-3 { 
  display: grid; 
  grid-template-columns: repeat(3, minmax(0, 1fr)); 
  gap: 16px; 
}
.grid-4 { 
  display: grid; 
  grid-template-columns: repeat(4, minmax(0, 1fr)); 
  gap: 14px; 
}

/* Laptops & Standard Windows scaling (125%-150% scaling, width < 1120px) */
@media (max-width: 1120px) {
  .grid-4 { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 14px;
  }
}

/* Restored Windows & Mid-Screens (width < 880px) */
@media (max-width: 880px) {
  .grid-3 { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 14px;
  }
  .grid-2 { 
    grid-template-columns: 1fr; 
    gap: 14px;
  }
}

/* Compact Laptop / Mobile / Window Split-Snap (width < 640px) */
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { 
    grid-template-columns: 1fr; 
    gap: 12px;
  }
}

/* Form Controls */
.form-group {
  margin-bottom: 14px;
  min-width: 0;
}

.form-label {
  display: block;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.form-control {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 8px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--border-focus);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control:disabled, .form-control[readonly] {
  background-color: var(--bg-muted);
  cursor: not-allowed;
  opacity: 0.75;
}

/* Modern Gradient Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: var(--text-inverse);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #334155 0%, #1E293B 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background-color: var(--bg-subtle);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background: linear-gradient(135deg, #34D399 0%, #047857 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.775rem;
  border-radius: var(--radius-xs);
}

/* Stat Cards */
.stat-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 16px 18px;
  box-shadow: var(--shadow-xs);
  border-left: 4px solid var(--bank-blue);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-card.gold { border-left-color: var(--bank-gold-bright); }
.stat-card.green { border-left-color: var(--bank-emerald-bright); }

.stat-card .stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--bank-navy);
  letter-spacing: -0.02em;
}

.stat-card .stat-sub {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  box-shadow: var(--shadow-xs);
}

.bank-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.bank-table th {
  background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
  color: var(--text-inverse);
  padding: 11px 16px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.bank-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: background-color 0.15s ease;
}

.bank-table tbody tr:nth-child(even) {
  background-color: #F8FAFC;
}

.bank-table tbody tr:hover {
  background-color: #EFF6FF;
}

.bank-table td.num, .bank-table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

.bank-table .row-total {
  background-color: #F1F5F9 !important;
  font-weight: 700;
  border-top: 2px solid var(--bank-navy);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-success { background-color: var(--status-success-bg); color: var(--status-success); border: 1px solid var(--status-success-border); }
.badge-danger { background-color: var(--status-danger-bg); color: var(--status-danger); border: 1px solid var(--status-danger-border); }
.badge-warning { background-color: var(--status-warning-bg); color: var(--status-warning); border: 1px solid var(--status-warning-border); }
.badge-info { background-color: var(--status-info-bg); color: var(--status-info); border: 1px solid var(--status-info-border); }
.badge-navy { background-color: var(--bank-navy); color: #FFF; }
.badge-gold { background-color: var(--bank-gold-subtle); color: var(--bank-gold); border: 1px solid #FDE68A; }

/* Upload Dropzone */
.upload-dropzone {
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  background-color: var(--bg-subtle);
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--bank-blue);
  background-color: var(--bank-blue-subtle);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.upload-dropzone input[type="file"] {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* Toasts */
#bank-toast-container {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.bank-toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 4px solid var(--bank-navy);
  font-size: 0.85rem;
  color: var(--text-primary);
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.bank-toast.success { border-left-color: var(--status-success); }
.bank-toast.error { border-left-color: var(--status-danger); }
.bank-toast.warning { border-left-color: var(--status-warning); }

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   INTERACTIVE COMPONENTS & STAT CARD VARIANTS
   ========================================================================== */

/* Modern Segmented Control Pills */
.segment-control {
  display: inline-flex;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
  width: 100%;
}

/* Stat Cards Modern Variants */
.stat-card-modern {
  position: relative;
  background: #FFFFFF;
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  border: 1px solid #E2E8F0;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.stat-card-modern::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3.5px;
  background: transparent;
  transition: all 0.22s ease;
}

.stat-card-modern:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -3px rgba(15, 23, 42, 0.08), 0 3px 6px -2px rgba(15, 23, 42, 0.03);
}

.stat-card-gold {
  background: linear-gradient(145deg, #FFFFFF 0%, #FFFDF9 50%, #FEF9ED 100%);
  border-color: #FDE68A;
}
.stat-card-gold::before {
  background: linear-gradient(90deg, #F59E0B, #D97706);
}

.stat-card-blue {
  background: linear-gradient(145deg, #FFFFFF 0%, #FAFDFF 50%, #F0F7FF 100%);
  border-color: #BFDBFE;
}
.stat-card-blue::before {
  background: linear-gradient(90deg, #3B82F6, #2563EB);
}

.stat-card-emerald {
  background: linear-gradient(145deg, #FFFFFF 0%, #FAFFFC 50%, #F0FDF4 100%);
  border-color: #BBF7D0;
}
.stat-card-emerald::before {
  background: linear-gradient(90deg, #10B981, #059669);
}

.stat-card-violet {
  background: linear-gradient(145deg, #FFFFFF 0%, #FDFAFF 50%, #FAF5FF 100%);
  border-color: #E9D5FF;
}
.stat-card-violet::before {
  background: linear-gradient(90deg, #8B5CF6, #7C3AED);
}

/* Aspect Ratio & Media Preservation */
img, svg {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* ==========================================================================
   UNIVERSAL A4 BLACK & WHITE / GRAYSCALE PRINTING ENGINE
   Strictly optimized for standard office laser / monochrome printing:
   Zero color bleed, high-contrast borders, repeating headers & audit sign-off
   ========================================================================== */

.print-only-header,
.print-signatures-block {
  display: none;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 10mm 12mm 10mm 12mm;
  }
  
  *, *::before, *::after {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  html, body {
    background: #FFFFFF !important;
    color: #000000 !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
    font-size: 9pt !important;
    line-height: 1.35 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
  }

  /* Universal Hide for UI / Interactive Controls */
  .no-print, 
  .header-actions, 
  .btn, 
  .upload-dropzone, 
  #bank-toast-container, 
  .nav-item, 
  .sidebar, 
  .topbar, 
  .empty-state, 
  .loader, 
  #status-msg, 
  .cmd-palette-overlay, 
  .legend, 
  .side-actions,
  .cost-process-pill,
  .slider-control,
  input[type="range"],
  .kbd-badge {
    display: none !important;
  }

  /* App Containers & Cards in Print */
  .app-container, .arb-container, .charges-container {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
  }

  .bank-card {
    border: 1px solid #333333 !important;
    background: #FFFFFF !important;
    box-shadow: none !important;
    padding: 8px 12px !important;
    margin-bottom: 12px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    border-radius: 4px !important;
  }

  .card-title {
    color: #000000 !important;
    border-bottom: 1.5px solid #000000 !important;
    padding-bottom: 4px !important;
    margin-bottom: 8px !important;
    font-size: 10pt !important;
    font-weight: 800 !important;
  }

  /* Professional Bank Audit Report Header */
  .print-only-header {
    display: block !important;
    border-bottom: 2px solid #000000 !important;
    padding-bottom: 6px !important;
    margin-bottom: 10px !important;
    text-align: center !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .print-only-header h2 {
    font-size: 12.5pt !important;
    font-weight: 800 !important;
    color: #000000 !important;
    margin: 0 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.03em !important;
  }

  .print-only-header p {
    font-size: 8pt !important;
    color: #333333 !important;
    margin: 2px 0 0 !important;
    font-weight: 500 !important;
  }

  /* Tables in Pure Black & White / Grayscale */
  .table-container, .table-wrap {
    overflow: visible !important;
    border: none !important;
    box-shadow: none !important;
    margin-bottom: 8px !important;
    width: 100% !important;
  }

  table, .bank-table {
    width: 100% !important;
    border-collapse: collapse !important;
    page-break-inside: auto !important;
    border: 1.5px solid #000000 !important;
  }

  thead {
    display: table-header-group !important;
  }

  tfoot {
    display: table-footer-group !important;
  }

  tr {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  th, .bank-table th {
    background: #EAEAEA !important;
    color: #000000 !important;
    border: 1px solid #000000 !important;
    font-weight: 800 !important;
    font-size: 8.5pt !important;
    padding: 4px 6px !important;
    text-transform: uppercase !important;
    text-align: center !important;
  }

  td, .bank-table td {
    background: transparent !important;
    color: #000000 !important;
    border: 1px solid #555555 !important;
    font-size: 8.5pt !important;
    padding: 4px 6px !important;
  }

  .bank-table th.num, .bank-table td.num {
    text-align: right !important;
  }

  .row-total td, .bank-table .row-total td {
    background: #EAEAEA !important;
    font-weight: 900 !important;
    border-top: 2px solid #000000 !important;
    border-bottom: 2px solid #000000 !important;
    color: #000000 !important;
  }

  /* Form inputs & controls converted to crisp print values */
  .form-control, input, select {
    border: none !important;
    border-bottom: 1px solid #666666 !important;
    border-radius: 0 !important;
    background: transparent !important;
    color: #000000 !important;
    padding: 1px 0 !important;
    font-weight: 700 !important;
    font-size: 8.5pt !important;
    height: auto !important;
  }

  /* Stat Cards in Grayscale */
  .stat-card, .stat-card-modern {
    border: 1px solid #444444 !important;
    background: #FFFFFF !important;
    box-shadow: none !important;
    padding: 6px 10px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  .stat-card::before, .stat-card-modern::before { display: none !important; }
  .stat-label, .stat-label-modern { color: #333333 !important; font-size: 7.5pt !important; font-weight: 700 !important; }
  .stat-value, .stat-value-modern { color: #000000 !important; font-size: 11pt !important; font-weight: 800 !important; }
  .stat-sub { color: #555555 !important; font-size: 7pt !important; }

  /* Grid Layouts inside Print */
  .grid-2, .grid-3, .grid-4 {
    display: grid !important;
    gap: 8px !important;
  }
  .grid-4 { grid-template-columns: repeat(4, 1fr) !important; }
  .grid-3 { grid-template-columns: repeat(3, 1fr) !important; }
  .grid-2 { grid-template-columns: repeat(2, 1fr) !important; }

  /* Official Bank Verification & Signature Block */
  .print-signatures-block {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-end !important;
    margin-top: 36px !important;
    padding-top: 14px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    border-top: 1px dashed #777777 !important;
  }

  .print-sig-col {
    text-align: center !important;
    width: 30% !important;
  }

  .print-sig-line {
    border-top: 1px solid #000000 !important;
    margin-bottom: 4px !important;
  }

  .print-sig-title {
    font-size: 8pt !important;
    font-weight: 700 !important;
    color: #000000 !important;
    text-transform: uppercase !important;
  }

  .print-sig-sub {
    font-size: 7pt !important;
    color: #555555 !important;
  }
}