/* Professional International Banking System - Enhanced Design */
/* Inspired by Stripe, Supabase, and modern fintech platforms */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Professional color palette inspired by international banks */
  --primary: #0066ff;
  --primary-dark: #0052cc;
  --primary-light: #3385ff;
  --primary-subtle: #e6f0ff;

  --secondary: #475569;
  --success: #00c853;
  --success-light: #e8f5e9;
  --danger: #ff3b30;
  --danger-light: #ffebee;
  --warning: #ff9500;
  --warning-light: #fff3e0;
  --info: #00b8d4;
  --info-light: #e0f7fa;

  /* Sophisticated neutral palette */
  --background: #f5f7fa;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;

  /* Professional shadows for depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
}

/* Premium navigation bar with glassmorphism effect */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  padding: 0;
  position: relative;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  position: relative;
}

.nav-brand a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand a:hover {
  color: var(--primary);
}

/* Added hamburger menu button styling */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  transition: var(--transition);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text);
  border-radius: 3px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Perfect circular logo with professional styling */
.navbar .nav-brand .nav-brand-logo,
.nav-brand .nav-brand-logo,
.nav-brand-logo,
img.nav-brand-logo {
  height: 40px !important;
  width: 40px !important;
  min-height: 40px !important;
  min-width: 40px !important;
  max-height: 40px !important;
  max-width: 40px !important;
  object-fit: cover !important;
  border-radius: 50% !important;
  border: 2px solid var(--border) !important;
  display: inline-block !important;
  vertical-align: middle !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  box-shadow: var(--shadow-sm) !important;
  transition: var(--transition) !important;
}

.nav-brand-logo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md) !important;
}

.nav-menu-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-xs);
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav-menu a:hover {
  background-color: var(--primary-subtle);
  color: var(--primary);
}

.nav-user {
  color: var(--text);
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  background-color: var(--background);
  border-radius: var(--radius-xs);
  font-weight: 600;
  border: 1px solid var(--border);
}

/* Zero gap between navigation and content */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2rem 0 2rem;
  min-height: calc(100vh - 200px);
}

/* Premium card design with subtle elevation */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

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

.card-header {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  letter-spacing: -0.3px;
}

/* Responsive grid with optimal spacing */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Professional form inputs with focus states */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.9375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 0.9375rem;
  transition: var(--transition);
  background-color: var(--surface);
  color: var(--text);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--text-secondary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Modern button design with smooth interactions */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: var(--radius-xs);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  font-family: inherit;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover {
  background-color: #00a844;
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

.btn-danger:hover {
  background-color: #e6342a;
}

.btn-warning {
  background-color: var(--warning);
  color: white;
}

.btn-warning:hover {
  background-color: #e68a00;
}

.btn-block {
  width: 100%;
}

/* Elegant alert design with icons */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1.5rem;
  border-left: 3px solid;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: slideIn 0.3s ease-out;
  font-size: 0.9375rem;
  line-height: 1.5;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-success {
  background-color: var(--success-light);
  color: #1b5e20;
  border-left-color: var(--success);
}

.alert-error {
  background-color: var(--danger-light);
  color: #b71c1c;
  border-left-color: var(--danger);
}

.alert-warning {
  background-color: var(--warning-light);
  color: #e65100;
  border-left-color: var(--warning);
}

.alert-info {
  background-color: var(--info-light);
  color: #006064;
  border-left-color: var(--info);
}

/* Professional table design */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table th,
.table td {
  padding: 1rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.table th {
  background-color: var(--background);
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

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

.table tbody tr:hover {
  background-color: var(--background);
}

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

/* Premium balance display with gradient */
.balance-display {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.balance-display::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

.balance-label {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.balance-amount {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -2px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  line-height: 1;
  margin: 0.5rem 0;
}

.account-number {
  font-size: 0.9375rem;
  opacity: 0.85;
  margin-top: 1rem;
  font-family: "SF Mono", "Monaco", "Courier New", monospace;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* Modern status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-success {
  background-color: var(--success-light);
  color: #1b5e20;
}

.badge-danger {
  background-color: var(--danger-light);
  color: #b71c1c;
}

.badge-warning {
  background-color: var(--warning-light);
  color: #e65100;
}

.badge-info {
  background-color: var(--info-light);
  color: #006064;
}

/* Premium auth pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.auth-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.auth-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
  animation: fadeInUp 0.5s ease-out;
  position: relative;
  z-index: 1;
}

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

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  height: 80px;
  width: 80px;
  object-fit: cover;
  margin-bottom: 1.5rem;
  border-radius: 50%;
  border: 3px solid var(--primary);
  padding: 0.5rem;
  background: white;
  box-shadow: var(--shadow-md);
}

.auth-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}

/* Interactive action cards */
.action-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: var(--transition);
  display: block;
  position: relative;
}

.action-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.action-card:active {
  transform: translateY(-2px);
}

/* Professional footer */
.footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border-light);
  padding: 3rem 0;
  margin-top: 5rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.footer-disclaimer {
  margin-top: 1rem;
  font-weight: 700;
  color: var(--warning);
  font-size: 0.875rem;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Dashboard stat cards */
.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.75rem;
  letter-spacing: -1.5px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Dashboard header styling */
.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.dashboard-header p {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Responsive design optimizations */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    padding: 1rem 1.5rem;
  }

  .nav-brand {
    flex: 1;
  }

  .nav-brand-text {
    font-size: 1.125rem;
  }

  .nav-menu-wrapper {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    padding: 5rem 0 2rem 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto;
  }

  .nav-menu-wrapper.active {
    left: 0;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
    align-items: stretch;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid var(--border-light);
  }

  .nav-menu a {
    width: 100%;
    padding: 1.125rem 1.5rem;
    border-radius: 0;
    display: block;
    font-size: 1rem;
  }

  .nav-user {
    margin-top: auto;
    padding: 1.5rem;
    border-top: 2px solid var(--border);
    background: var(--background);
    text-align: center;
    border-radius: 0;
  }

  /* Overlay when menu is open */
  body.nav-open::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    animation: fadeIn 0.3s ease-out;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  /* Improved mobile content spacing and readability */
  .main-content {
    padding: 1.5rem 1rem 0 1rem;
  }

  .balance-amount {
    font-size: 2.25rem;
    letter-spacing: -1px;
  }

  .card {
    padding: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .card-header {
    font-size: 1.125rem;
    padding-bottom: 0.875rem;
    margin-bottom: 1.25rem;
  }

  /* Mobile-optimized grid layouts */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .stat-value {
    font-size: 2.5rem;
    letter-spacing: -1px;
  }

  .stat-label {
    font-size: 0.8125rem;
  }

  .dashboard-header h1 {
    font-size: 1.625rem;
    letter-spacing: -0.3px;
  }

  .dashboard-header p {
    font-size: 0.9375rem;
  }

  /* Mobile-friendly table with horizontal scroll */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1.25rem;
    padding: 0 1.25rem;
  }

  .table {
    min-width: 600px;
    font-size: 0.875rem;
  }

  .table th,
  .table td {
    padding: 0.875rem 0.625rem;
    white-space: nowrap;
  }

  .table th {
    font-size: 0.6875rem;
  }

  /* Mobile-optimized buttons */
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    width: 100%;
    justify-content: center;
  }

  .btn:not(.btn-block) {
    width: auto;
    min-width: 120px;
  }

  /* Mobile form improvements */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 1rem;
  }

  .form-label {
    font-size: 0.9375rem;
    margin-bottom: 0.625rem;
  }

  .form-group {
    margin-bottom: 1.25rem;
  }

  /* Mobile alert styling */
  .alert {
    padding: 1rem;
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
  }

  /* Mobile action cards */
  .action-card {
    padding: 1.25rem !important;
  }

  .action-card:hover {
    transform: translateY(-2px);
  }

  /* Mobile balance display */
  .balance-display {
    padding: 2.5rem 1.5rem;
  }

  .balance-label {
    font-size: 0.8125rem;
    margin-bottom: 0.625rem;
  }

  .account-number {
    font-size: 0.875rem;
    margin-top: 0.875rem;
    letter-spacing: 1px;
  }

  /* Mobile badge sizing */
  .badge {
    padding: 0.375rem 0.75rem;
    font-size: 0.6875rem;
  }

  /* Mobile footer */
  .footer {
    padding: 2rem 0;
    margin-top: 3rem;
  }

  .footer-container {
    padding: 0 1rem;
    font-size: 0.875rem;
  }
}

/* Extra small mobile devices (phones in portrait) */
@media (max-width: 480px) {
  .nav-brand-text {
    font-size: 1rem;
  }

  .nav-brand-logo {
    height: 36px !important;
    width: 36px !important;
    min-height: 36px !important;
    min-width: 36px !important;
    max-height: 36px !important;
    max-width: 36px !important;
  }

  .auth-card {
    padding: 1.75rem;
  }

  .auth-title {
    font-size: 1.625rem;
  }

  .auth-logo {
    height: 70px;
    width: 70px;
  }

  .balance-amount {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

  .card-header {
    font-size: 1rem;
  }

  .main-content {
    padding: 1.25rem 0.875rem 0 0.875rem;
  }

  .card {
    padding: 1rem;
  }

  .stat-value {
    font-size: 2rem;
  }

  .dashboard-header h1 {
    font-size: 1.5rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
  }

  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
  }

  /* Smaller grid gaps for tiny screens */
  .grid {
    gap: 1rem;
  }

  /* Stack action buttons vertically on small screens */
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* Landscape mobile optimization */
@media (max-width: 896px) and (orientation: landscape) {
  .hero {
    min-height: 500px;
  }

  .balance-display {
    padding: 2rem 1.5rem;
  }

  .balance-amount {
    font-size: 2.5rem;
  }
}

/* Tablet optimization (portrait) */
@media (min-width: 769px) and (max-width: 1024px) {
  .nav-container {
    padding: 1rem 2rem;
  }

  .main-content {
    padding: 2rem 1.5rem 0 1.5rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large desktop optimization */
@media (min-width: 1400px) {
  .nav-container,
  .main-content,
  .footer-container {
    max-width: 1600px;
  }

  .card {
    padding: 2.5rem;
  }

  .balance-amount {
    font-size: 4rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}
.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}
.p-1 {
  padding: 0.5rem;
}
.p-2 {
  padding: 1rem;
}
.p-3 {
  padding: 1.5rem;
}
.p-4 {
  padding: 2rem;
}
.font-bold {
  font-weight: 700;
}
.font-semibold {
  font-weight: 600;
}
.text-primary {
  color: var(--primary);
}
.text-success {
  color: var(--success);
}
.text-danger {
  color: var(--danger);
}
.text-warning {
  color: var(--warning);
}
.text-secondary {
  color: var(--text-secondary);
}