/* ==========================================================================
   BANK PAYMENT RECEIVED & VPA TRACKER - DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #0B0F19;
  --bg-card: rgba(22, 30, 49, 0.75);
  --bg-card-hover: rgba(30, 41, 67, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);

  --primary: #6366F1;
  --primary-hover: #4F46E5;
  --primary-light: rgba(99, 102, 241, 0.15);
  
  --secondary: #06B6D4;
  --success: #10B981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning: #F59E0B;
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger: #EF4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Blur */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  --backdrop-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Layout App Shell */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 270px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: var(--backdrop-blur);
  border-right: 1px solid var(--border-color);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-glow);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFF, #94A3B8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* Navigation Links */
.nav-menu {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.nav-link i {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: #FFF;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.25), rgba(99, 102, 241, 0.05));
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-glass);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* Main Content Area */
.main-wrapper {
  margin-left: 270px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Navbar Header */
.top-header {
  height: 72px;
  background: rgba(11, 15, 25, 0.7);
  backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-title h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.header-title p {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #FFF;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #FFF;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* Page Content View */
.content-body {
  padding: 32px;
  flex: 1;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.kpi-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.kpi-icon.indigo { background: var(--primary-light); color: var(--primary); }
.kpi-icon.emerald { background: var(--success-light); color: var(--success); }
.kpi-icon.cyan { background: rgba(6, 182, 212, 0.15); color: var(--secondary); }
.kpi-icon.amber { background: var(--warning-light); color: var(--warning); }

.kpi-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 6px;
}

.kpi-subtext {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-subtext .badge-up {
  color: var(--success);
  font-weight: 600;
}

/* Sections & Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.chart-container {
  position: relative;
  height: 280px;
  width: 100%;
}

/* VPA Cards Grid */
.vpa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.vpa-card {
  background: rgba(30, 41, 67, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  transition: var(--transition);
}

.vpa-card:hover {
  border-color: var(--primary);
  background: rgba(30, 41, 67, 0.8);
}

.vpa-card.primary-vpa {
  border: 1px solid var(--primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(22, 30, 49, 0.8));
}

.vpa-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.vpa-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
}

.vpa-badge.primary { background: var(--primary); color: #FFF; }
.vpa-badge.active { background: var(--success-light); color: var(--success); }
.vpa-badge.inactive { background: rgba(255,255,255,0.1); color: var(--text-dim); }

.vpa-address {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vpa-copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}

.vpa-copy-btn:hover {
  color: #FFF;
}

.vpa-details {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.vpa-detail-row {
  display: flex;
  justify-content: space-between;
}

.vpa-detail-row span.val {
  color: var(--text-main);
  font-weight: 500;
}

.vpa-actions {
  display: flex;
  gap: 8px;
}

/* Filter Controls Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 42px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.select-control {
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  cursor: pointer;
}

.select-control option {
  background: var(--bg-dark);
  color: var(--text-main);
}

/* Table Styles */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 16px;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.utr-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--secondary);
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
}

.amount-text {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--success);
  font-size: 15px;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-credited { background: var(--success-light); color: var(--success); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-failed { background: var(--danger-light); color: var(--danger); }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}

.modal-close:hover { color: #FFF; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
}

/* Receipt Modal Design */
.receipt-card {
  background: #FFF;
  color: #0F172A;
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.receipt-header {
  text-align: center;
  border-bottom: 2px dashed #E2E8F0;
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.receipt-header h4 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
}

.receipt-amount {
  font-size: 28px;
  font-weight: 800;
  color: #059669;
  margin: 10px 0;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 6px 0;
}

.receipt-row span.label { color: #64748B; }
.receipt-row span.val { font-weight: 600; }

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border-left: 4px solid var(--primary);
  color: #FFF;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideInRight 0.3s ease;
}

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

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Webhook Log Output Box */
.terminal-box {
  background: #050811;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #38BDF8;
  max-height: 260px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
}