/* Auth Container */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* Main App */
.main-app {
  min-height: 100vh;
  background-color: #f8f9fa;
}

/* Chain Cards */
.chain-card {
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border-radius: 12px;
}

.chain-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.chain-icon {
  font-size: 2rem;
}

/* Wallet Cards */
.wallet-card {
  border-radius: 12px;
  transition: box-shadow 0.2s;
}

.wallet-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.address-text {
  cursor: pointer;
  font-size: 0.85rem;
}

.address-text:hover {
  color: #0d6efd;
}

/* QR Code */
.qr-code {
  max-width: 200px;
  border-radius: 8px;
  border: 4px solid #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Spinner Animation */
.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Toast */
.toast {
  min-width: 250px;
}

/* Table */
.table th {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: #6c757d;
  border-bottom-width: 2px;
}

.table td {
  vertical-align: middle;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar-collapse {
    background: rgba(0, 0, 0, 0.1);
    padding: 1rem;
    margin-top: 0.5rem;
    border-radius: 8px;
  }

  .chain-icon {
    font-size: 1.5rem;
  }
}

/* Card Improvements */
.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
  background-color: #fff;
  border-bottom: 1px solid #eee;
  font-weight: 600;
}

/* Form Improvements */
.form-control:focus,
.form-select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Button Group */
.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: 0.375rem 0 0 0.375rem;
}

.btn-group .btn:last-child {
  border-radius: 0 0.375rem 0.375rem 0;
}

/* Badge */
.badge {
  font-weight: 500;
}

/* Alert */
.alert {
  border: none;
  border-radius: 8px;
}

/* Input Group */
.input-group .form-control {
  border-right: none;
}

.input-group .btn {
  border-left: none;
}