.membership-card {
    cursor: pointer;
    width: 100%;
}

.card-box {
    padding: 15px;
    border-radius: 10px;
    background: #111;
    border: 2px solid transparent;
    text-align: center;
    transition: 0.3s;
}

.membership-card input:checked + .card-box {
    border: 2px solid #6c5ce7;
    background: #1a1a2e;
}

.card-box.premium {
    background: linear-gradient(135deg, #6c5ce7, #0984e3);
    color: white;
}

.register-state-select+.select2-container .select2-selection--single {
    background: #000;
    border: 1px solid #333;
    height: 50px;
}

.register-state-select+.select2-container .select2-selection--single .select2-selection__rendered {
    color: #fff;
    line-height: 48px;
    padding-left: 12px;
}

.register-state-select+.select2-container .select2-selection--single .select2-selection__arrow {
    height: 48px;
}

.select2-dropdown.register-state-dropdown {
    background: #000 !important;
    border: 1px solid #454545 !important;
}

.select2-dropdown.register-state-dropdown .select2-results__option {
    background: #000 !important;
    color: #eee;
}

.select2-dropdown.register-state-dropdown .select2-results__option--highlighted.select2-results__option--selectable {
    background: #326bf2 !important;
    color: #fff !important;
}

.select2-dropdown.register-state-dropdown .select2-results>.select2-results__options {
    max-height: 175px !important;
    /* ~5 items */
    overflow-y: auto !important;
}

/* Stripe Elements card fields - match the look of the existing form-control inputs */
.stripe-input {
    display: flex;
    align-items: center;
    min-height: 50px;
    padding: 14px 12px;
    background: #000;
    border: 1px solid #333;
    color: #fff;
    border-radius: 4px;
    transition: border-color 0.2s ease;
}

.stripe-input.StripeElement--focus {
    border-color: #6c5ce7;
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.25);
}

.stripe-input.StripeElement--invalid {
    border-color: #ff7a7a;
}

.stripe-input.StripeElement--complete {
    border-color: #2ecc71;
}

#register-submit-btn .btn-spinner {
    display: inline-flex;
    align-items: center;
}

#register-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}