:root {
            --primary-color: #5D3EBF;
            --primary-light: #f4f2ff;
            --background-color: #F8F9FA;
            --card-background: #FFFFFF;
            --text-color: #495057;
            --text-muted: #6c757d;
            --border-color: #e9ecef;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --border-radius: 0.75rem;
        }

        body {
            background-color: var(--background-color);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-color);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 1rem;
        }

        .auth-card {
            position: relative;
            background-color: var(--card-background);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            width: 100%;
            max-width: 450px;
            border: 1px solid var(--border-color);
        }

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

        .auth-header .emoji {
            font-size: 2.8rem;
        }

        .auth-header h1 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-top: 0.5rem;
            color: var(--primary-color);
        }

        .form-control {
            border-radius: 0.5rem;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(93, 62, 191, 0.25);
        }

        .form-label {
            font-weight: 600;
        }

        .action-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-top: 1.5rem;
        }

        .btn {
            border-radius: 0.5rem;
            padding: 0.8rem;
            font-weight: bold;
            text-decoration: none;
            text-align: center;
            transition: all 0.2s ease-in-out;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            border: 1px solid var(--primary-color);
        }

        .btn-primary:hover {
            background-color: #4a319a;
            border-color: #4a319a;
        }

        .btn-secondary-outline {
            background-color: transparent;
            color: var(--primary-color);
            border: 1px solid var(--primary-color);
        }

        .btn-secondary-outline:hover {
            background-color: var(--primary-light);
            color: var(--primary-color);
        }

        @media (max-width: 576px) {
            .auth-card {
                padding: 1.5rem;
                border: none;
                box-shadow: none;
            }
        }