.purchase-header {
    background: linear-gradient(135deg, #b039d6 0%, #8b2fc9 100%);
    color: white;
    padding: 18px 24px;
    text-align: center;
    width: 100%;
    box-shadow: 0 2px 8px rgba(176, 57, 214, 0.2);
}

.purchase-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.purchase-body {
    max-width: 600px;
    margin: 0 auto;
    padding: 50px 30px 80px;
    background: #fafafa;
    min-height: calc(100vh - 54px);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: #2c2c2c;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-bottom: 32px;
    font-weight: 400;
}

.use-case-option {
    background: white;
    border: 2px solid #e5e5e5;
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 12px;
    transition: all 0.25s ease;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.use-case-option:hover {
    border-color: #b039d6;
    box-shadow: 0 4px 12px rgba(176, 57, 214, 0.15);
    transform: translateY(-2px);
}

.use-case-option input[type="checkbox"] {
    display: none;
}

.use-case-option input[type="checkbox"]:checked + label {
    color: #b039d6;
}

.use-case-option input[type="checkbox"]:checked ~ label::after {
    content: '\2713';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #b039d6;
    font-size: 20px;
    font-weight: bold;
    animation: checkIn 0.3s ease;
}

@keyframes checkIn {
    0% {
        transform: translateY(-50%) scale(0);
    }
    50% {
        transform: translateY(-50%) scale(1.2);
    }
    100% {
        transform: translateY(-50%) scale(1);
    }
}

.use-case-option label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
    position: relative;
    width: 100%;
}

.use-case-option .icon {
    font-size: 22px;
    margin-right: 14px;
    filter: grayscale(20%);
    transition: filter 0.2s ease;
}

.use-case-option:hover .icon {
    filter: grayscale(0%);
}

.use-case-option .text {
    font-size: 15px;
    font-weight: 500;
    color: #3a3a3a;
    letter-spacing: 0.2px;
}

.use-case-option input[type="checkbox"]:checked + label .text {
    color: #b039d6;
    font-weight: 600;
}

.btn-continue {
    background: linear-gradient(135deg, #b039d6 0%, #8b2fc9 100%);
    border: none;
    color: white;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 24px;
    margin-top: 36px;
    transition: all 0.3s ease;
    width: 100%;
    cursor: pointer;
    display: block;
    box-shadow: 0 4px 12px rgba(176, 57, 214, 0.25);
    letter-spacing: 0.3px;
}

.btn-continue:hover {
    background: linear-gradient(135deg, #9d2ec0 0%, #7628b3 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(176, 57, 214, 0.35);
}

.btn-continue:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(176, 57, 214, 0.3);
}

@media (max-width: 768px) {
    .purchase-body {
        padding: 40px 20px 60px;
    }

    .page-title {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 14px;
        margin-bottom: 28px;
    }

    .use-case-option {
        padding: 14px 18px;
    }

    .use-case-option .icon {
        font-size: 20px;
        margin-right: 12px;
    }

    .use-case-option .text {
        font-size: 15px;
    }

    .btn-continue {
        font-size: 15px;
        padding: 13px 24px;
        margin-top: 32px;
    }
}