body {
      background: #0f0f0f;
      min-height: 100vh;
      font-family: 'Poppins', system-ui, sans-serif;
    }
    
    .login-container {
      max-width: 450px;
      width: 100%;
      padding: 2rem;
    }

    .login-card {
      background: rgba(25, 29, 37, 0.75);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 24px;
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
      padding: 2.5rem;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .login-card:hover {
      box-shadow: 0 25px 50px -12px rgba(0, 59, 253, 0.15);
    }

    .brand-logo {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      border: 3px solid rgba(0, 59, 253, 0.5);
      box-shadow: 0 0 20px rgba(0, 59, 253, 0.3);
      object-fit: cover;
    }

    .form-control-custom {
      background: rgba(255, 255, 255, 0.05) !important;
      border: 1px solid rgba(255, 255, 255, 0.1) !important;
      color: #fff !important;
      border-radius: 12px;
      padding: 0.75rem 1rem;
      transition: all 0.2s ease;
    }

    .form-control-custom:focus {
      border-color: #003bfd !important;
      box-shadow: 0 0 0 3px rgba(0, 59, 253, 0.25) !important;
      outline: none;
    }

    .btn-login {
      background: linear-gradient(135deg, #003bfd 0%, #1d4ed8 100%);
      border: none;
      border-radius: 12px;
      padding: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      transition: all 0.2s ease;
      box-shadow: 0 4px 12px rgba(0, 59, 253, 0.3);
    }

    .btn-login:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 59, 253, 0.5);
      background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    }

    .back-link {
      color: #9ca3af;
      transition: color 0.2s ease;
      font-size: 0.9rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .back-link:hover {
      color: #fff;
    }