* {
      font-family: 'Inter', sans-serif;
    }
    body {
      background: linear-gradient(135deg, #0e0e0e 0%, #1a1a2e 100%);
      color: #fff;
      min-height: 100vh;
    }
    .glass-box {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      padding: 30px;
      border-radius: 12px;
      backdrop-filter: blur(8px);
      transition: all 0.3s;
    }
    .glass-box:hover {
      border-color: rgba(13,110,253,0.5);
      transform: translateY(-2px);
    }
    .navbar {
      background: rgba(0,0,0,0.3) !important;
      backdrop-filter: blur(10px);
    }
    .crypto-logo {
      width: 32px;
      height: 32px;
      margin-right: 8px;
      vertical-align: middle;
    }
    .payment-option {
      cursor: pointer;
      padding: 15px;
      border-radius: 10px;
      border: 2px solid rgba(255,255,255,0.1);
      transition: all 0.3s;
      text-align: center;
    }
    .payment-option:hover {
      border-color: #0d6efd;
      background: rgba(13,110,253,0.1);
    }
    .payment-option.active {
      border-color: #0d6efd;
      background: rgba(13,110,253,0.2);
    }
    .modal-content {
      background: rgba(30,30,30,0.95);
      border: 1px solid rgba(255,255,255,0.1);
    }
    .form-control {
      background: rgba(0,0,0,0.3) !important;
      border: 1px solid rgba(255,255,255,0.1);
      color: #fff !important;
    }
    .form-control:focus {
      background: rgba(0,0,0,0.4) !important;
      border-color: #0d6efd;
      box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.25);
      color: #fff !important;
    }
    .api-key-display {
      background: rgba(0,0,0,0.3);
      padding: 15px;
      border-radius: 8px;
      font-family: monospace;
      word-break: break-all;
      position: relative;
    }
    .copy-btn {
      position: absolute;
      top: 10px;
      right: 10px;
    }
    .stat-card {
      background: linear-gradient(135deg, rgba(13,110,253,0.1) 0%, rgba(102,16,242,0.1) 100%);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 15px;
      padding: 1.5rem;
      transition: all 0.3s ease;
      height: 100%;
    }
    .stat-card:hover {
      transform: translateY(-5px);
      border-color: rgba(13,110,253,0.5);
      box-shadow: 0 10px 30px rgba(13,110,253,0.2);
    }
    .stat-value {
      font-size: 2rem;
      font-weight: 700;
      background: linear-gradient(135deg, #0d6efd, #6610f2);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 0.5rem;
    }
    .stat-label {
      color: rgba(255,255,255,0.6);
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .stat-icon {
      font-size: 2.5rem;
      opacity: 0.3;
      margin-bottom: 1rem;
    }
    .quick-action-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 12px;
      padding: 1.5rem;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      height: 100%;
    }
    .quick-action-card:hover {
      background: rgba(13,110,253,0.1);
      border-color: rgba(13,110,253,0.5);
      transform: translateY(-3px);
    }
    .quick-action-icon {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, #0d6efd, #6610f2);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .chart-container {
      position: relative;
      height: 300px;
      margin-top: 1rem;
      overflow: hidden;
    }
    .chart-container canvas {
      max-height: 300px !important;
    }
    .activity-item {
      padding: 1rem;
      border-left: 3px solid rgba(13,110,253,0.5);
      background: rgba(255,255,255,0.02);
      border-radius: 8px;
      margin-bottom: 0.75rem;
      transition: all 0.3s ease;
    }
    .activity-item:hover {
      background: rgba(255,255,255,0.05);
      border-left-color: #0d6efd;
    }
    .badge-custom {
      padding: 0.4rem 0.8rem;
      border-radius: 6px;
      font-weight: 500;
    }
    .section-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
    }
    .section-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin: 0;
    }
    .balance-card {
      background: linear-gradient(135deg, rgba(13,110,253,0.15) 0%, rgba(102,16,242,0.15) 100%);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 15px;
      padding: 1.5rem;
      position: relative;
      overflow: hidden;
    }
    .balance-card::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(13,110,253,0.1) 0%, transparent 70%);
      animation: pulse 3s ease-in-out infinite;
      pointer-events: none;
      z-index: 0;
    }
    .balance-card > * {
      position: relative;
      z-index: 1;
    }
    #fund-account-btn {
      position: relative;
      z-index: 10;
      pointer-events: auto;
    }
    .table-dark {
      background: rgba(0,0,0,0.2);
      border-radius: 8px;
      overflow: hidden;
    }
    .table-dark thead th {
      background: rgba(13,110,253,0.2);
      border-bottom: 2px solid rgba(13,110,253,0.5);
      color: #fff;
      font-weight: 600;
      text-transform: uppercase;
      font-size: 0.85rem;
      letter-spacing: 0.5px;
      padding: 1rem;
    }
    .table-dark tbody td {
      padding: 1rem;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      color: rgba(255,255,255,0.9);
    }
    .table-dark tbody tr:hover {
      background: rgba(13,110,253,0.1);
    }
    .table-dark tbody tr:last-child td {
      border-bottom: none;
    }
    .table-dark code {
      background: rgba(255,255,255,0.1);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 0.85rem;
    }
    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 0.5; }
      50% { transform: scale(1.1); opacity: 0.8; }
    }
    .navbar {
      background: rgba(0,0,0,0.4) !important;
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.25rem;
      background: linear-gradient(135deg, #0d6efd, #6610f2);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .collapse-toggle {
      transition: transform 0.3s ease;
    }
    .collapse-toggle[aria-expanded="false"] i {
      transform: rotate(180deg);
    }