/* Анимация для кнопок */
.btn-primary {
    transition: all 0.3s ease;
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Позиционирование уведомлений */
.alert {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1100;
    min-width: 300px;
    animation: slideIn 0.5s forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}