body {
      background: linear-gradient(135deg, #1aa2b2 0%, #f8d07aff 100%);
      min-height: 100vh;
      font-family: 'Poppins', sans-serif;
    }

    .bg-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" patternUnits="userSpaceOnUse" width="100" height="100"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="75" r="1.5" fill="rgba(255,255,255,0.03)"/><circle cx="50" cy="10" r="0.8" fill="rgba(255,255,255,0.04)"/><circle cx="10" cy="60" r="1.2" fill="rgba(255,255,255,0.02)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
      z-index: -1;
    }

    .login-container {
      backdrop-filter: blur(10px);
      border-radius: 24px;
      box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.1);
      overflow: hidden;
    }

    .card {
      background: rgba(255, 255, 255, 0.95);
      border: none;
      border-radius: 24px;
      box-shadow: none;
    }

    .card-body {
      padding: 3rem;
    }

    .logo-container {
      position: relative;
      margin-bottom: 2rem;
    }

    .logo-glow {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 120%;
      height: 120%;
      background: radial-gradient(circle, rgba(245, 176, 26, 0.2) 0%, transparent 70%);
      border-radius: 50%;
      z-index: -1;
    }

    .form-control-modern {
      border: 2px solid rgba(26, 162, 178, 0.1);
      border-radius: 12px;
      padding: 0.875rem 1.25rem;
      font-size: 1rem;
      background: rgba(255, 255, 255, 0.8);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      backdrop-filter: blur(5px);
    }

    .form-control-modern:focus {
      border-color: #1aa2b2;
      box-shadow: 0 0 0 3px rgba(26, 162, 178, 0.1);
      background: rgba(255, 255, 255, 0.95);
      outline: none;
    }

    .form-control-modern::placeholder {
      color: rgba(0, 0, 0, 0.5);
      font-weight: 400;
    }

    .form-label-modern {
      font-weight: 500;
      color: #2c3e50;
      margin-bottom: 0.5rem;
      font-size: 0.95rem;
    }

    .btn-login {
      background: linear-gradient(135deg, #1aa2b2 0%, #f5b01a 100%);
      border: none;
      border-radius: 12px;
      padding: 0.875rem 2rem;
      font-size: 1.1rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      color: white;
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
      box-shadow: 0 8px 25px rgba(26, 162, 178, 0.3);
    }

    .btn-login::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transition: left 0.5s ease;
    }

    .btn-login:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 35px rgba(26, 162, 178, 0.4);
    }

    .btn-login:hover::before {
      left: 100%;
    }

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

    .input-group-text-modern {
      background: transparent;
      border: 2px solid rgba(26, 162, 178, 0.1);
      border-left: none;
      border-radius: 0 12px 12px 0;
      color: #1aa2b2;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .input-group-text-modern:hover {
      color: #f5b01a;
      background: rgba(245, 176, 26, 0.05);
    }

    .form-check-modern {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .form-check-input-modern {
      width: 1.2rem;
      height: 1.2rem;
      margin: 0;
      border: 2px solid #1aa2b2;
      border-radius: 4px;
      background: transparent;
      cursor: pointer;
      position: relative;
    }

    .form-check-input-modern:checked {
      background: linear-gradient(135deg, #1aa2b2, #f5b01a);
      border-color: #1aa2b2;
    }

    .form-check-input-modern:checked::after {
      content: '✓';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      font-size: 0.8rem;
      font-weight: bold;
    }

    .form-check-label-modern {
      color: #2c3e50;
      font-size: 0.9rem;
      cursor: pointer;
      user-select: none;
    }

    .footer-modern {
      text-align: center;
      color: rgba(0, 0, 0, 0.6);
      font-size: 0.85rem;
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(26, 162, 178, 0.1);
      line-height: 1.5;
    }

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

    .welcome-text h3 {
      color: #2c3e50;
      font-weight: 600;
      margin-bottom: 0.5rem;
      font-size: 1.5rem;
    }

    .welcome-text p {
      color: rgba(0, 0, 0, 0.7);
      font-size: 0.95rem;
      margin: 0;
    }

    /* Animation */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .login-container {
      animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Responsive */
    @media (max-width: 768px) {
      .card-body {
        padding: 2rem 1.5rem;
      }

      .welcome-text h3 {
        font-size: 1.3rem;
      }

      .btn-login {
        padding: 1rem 2rem;
      }
    }

    /* Password strength indicator */
    .input-group-modern {
      position: relative;
      display: flex;
      align-items: stretch;
    }

    .input-group-modern .form-control-modern {
      border-radius: 12px 0 0 12px;
      border-right: none;
    }