:root {
            --primary: #2563EB;
            --secondary: #7C3AED;
            --dark: #1F2937;
            --light: #F9FAFB;
        }

        * {
            font-family: 'Inter', sans-serif;
        }

        body {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0;
            padding: 1rem;
        }

        .login-container {
            background: white;
            border-radius: 1rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            max-width: 900px;
            width: 100%;
        }

        .login-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .login-image {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            min-height: 500px;
        }

        .login-image img {
            max-width: 80%;
            height: auto;
        }

        .login-form {
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-form h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }

        .login-form p {
            color: #6B7280;
            margin-bottom: 2rem;
        }

        .form-control {
            border: 1px solid #E5E7EB;
            border-radius: 0.5rem;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .btn-login {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 0.5rem;
            font-weight: 600;
            font-size: 1rem;
            transition: transform 0.3s ease;
            margin-top: 1rem;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            color: white;
        }

        .login-footer {
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #E5E7EB;
        }

        .login-footer a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }

        .login-footer a:hover {
            text-decoration: underline;
        }

        .alert {
            border: none;
            border-radius: 0.5rem;
            border-left: 4px solid;
            margin-bottom: 1.5rem;
        }

        .alert-warning {
            background-color: rgba(245, 158, 11, 0.1);
            border-left-color: #F59E0B;
            color: #92400E;
        }

        .alert ul {
            margin: 0;
            padding-left: 1.5rem;
        }

        .g-recaptcha {
            margin: 1rem 0;
            display: flex;
            justify-content: center;
        }

        .logo-mobile {
            display: none;
        }

        @media (max-width: 768px) {
            .login-wrapper {
                grid-template-columns: 1fr;
            }

            .login-image {
                display: none;
            }

            .logo-mobile {
                display: block;
                text-align: center;
                padding: 2rem 0 1rem 0;
            }

            .login-form {
                padding: 2rem;
            }

            .login-form h1 {
                font-size: 1.5rem;
            }
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark);
        }