body {
            background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .card-header {
            background: linear-gradient(135deg, #007bff, #1abc9c);
            color: white;
            text-align: center;
            padding: 20px;
            border-bottom: none;
        }

        .card-header img {
            width: 120px;
            height: auto;
            margin-bottom: 15px;
        }

        .card-header h2 {
            font-size: 24px;
            font-weight: bold;
            margin: 0;
        }

        .card-body {
            padding: 30px;
        }

        .form-label {
            font-weight: 600;
            color: #333;
        }

        .input-group {
            margin-bottom: 20px;
        }

        .input-group-text {
            background-color: #f8f9fa;
            border: 1px solid #ced4da;
            border-right: none;
        }

        .form-control {
            border-left: none;
        }

        .form-control:focus {
            box-shadow: none;
            border-color: #ced4da;
        }

        .btn-primary {
            background: linear-gradient(135deg, #007bff, #1abc9c);
            border: none;
            padding: 10px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
        }

        .btn-outline-secondary {
            border-left: none;
            transition: all 0.3s ease;
        }

        .btn-outline-secondary:hover {
            background-color: #f8f9fa;
        }

        .text-muted {
            color: #6c757d !important;
        }

        .text-decoration-none {
            color: #007bff;
            transition: color 0.3s ease;
        }

        .text-decoration-none:hover {
            color: #0056b3;
        }

        .forgot-password {
            font-size: 14px;
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .forgot-password:hover {
            color: #0056b3;
        }

        .toggle-password {
            cursor: pointer;
        }

        @media (max-width: 576px) {
            .card {
                margin: 20px;
            }

            .card-header img {
                width: 100px;
            }

            .card-header h2 {
                font-size: 20px;
            }

            .card-body {
                padding: 20px;
            }
        }