/* Модальное окно для подарочных ссылок */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
}

.close-btn:hover {
    color: #333;
}

.input-group {
    display: flex;
    margin: 15px 0;
}

.input-group .form-input {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group button {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.spinner-border {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: -0.125em;
    border: 0.15em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}