body {
            font-family: 'Inter', sans-serif;
            background-color: #f3f4f6;
        }
        .bg-hero {
            background-color: #4f46e5;
            background-image: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .text-hero {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .advice-box {
            transition: background-color 0.5s ease-in-out;
        }
        .advice-box.good {
            background-color: #d1fae5;
            color: #065f46;
        }
        .advice-box.bad {
            background-color: #fee2e2;
            color: #991b1b;
        }
        .advice-box.neutral {
            background-color: #e0f2fe;
            color: #0c4a6e;
        }
        .shake-animation {
            animation: shake 0.5s;
        }
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            20%, 60% { transform: translateX(-5px); }
            40%, 80% { transform: translateX(5px); }
        }
        .icon-animation {
            transition: transform 0.5s ease-in-out;
        }
        .advice-box.good .icon-animation { transform: rotate(10deg); }
        .advice-box.bad .icon-animation { transform: rotate(-10deg); }
        .advanced-options {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out, opacity 0.5s ease-in-out;
            opacity: 0;
        }
        .advanced-options.visible {
            max-height: 200px;
            opacity: 1;
        }
        .faq-item {
            cursor: pointer;
            transition: color 0.2s ease-in-out;
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
            padding: 0 1rem;
        }
        .faq-content.visible {
            max-height: 200px;
            padding: 1rem;
        }