.auth-card {
    max-width: 1000px;
    width: 100%;
    padding: 0;
    overflow: hidden;
}
.register-container {
    display: flex;
    flex-wrap: wrap;
}
.plans-sidebar {
    background-color: #f8f9fa;
    padding: 40px;
    flex: 1;
    min-width: 350px;
    border-right: 1px solid #eee;
}
.register-form-container {
    padding: 40px;
    flex: 1.2;
    min-width: 350px;
}
.plan-card {
    background: white;
    border: 2px solid #eee;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.plan-card:hover {
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}
.plan-card.active {
    border-color: #007bff;
    background-color: #f0f7ff;
}
.plan-card.active::after {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 20px;
    right: 20px;
    color: #007bff;
    font-size: 1.5rem;
}
.plan-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #007bff;
}
.feature-list {
    font-size: 0.85rem;
    list-style: none;
    padding-left: 0;
    margin-top: 10px;
}
.feature-list li {
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}
.feature-list i {
    color: #28a745;
    margin-right: 8px;
    font-size: 0.75rem;
}
/* Stripe Elements Styles */
.StripeElement {
    box-sizing: border-box;
    height: 40px;
    padding: 10px 12px;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    background-color: white;
    box-shadow: 0 1px 3px 0 #e6ebf1;
    -webkit-transition: box-shadow 150ms ease;
    transition: box-shadow 150ms ease;
}
.StripeElement--focus {
    box-shadow: 0 1px 3px 0 #cfd7df;
    border-color: #80bdff;
}
.StripeElement--invalid {
    border-color: #dc3545;
}
.StripeElement--webkit-autofill {
    background-color: #fefde5 !important;
}
#card-errors {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}
.form-control::placeholder {
    color: #adb5bd;
    opacity: 1;
}
@media (max-width: 768px) {
    .plans-sidebar {
        border-right: none;
        border-bottom: 1px solid #eee;
    }
}