.spark-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.spark {
    position: absolute;
    width: 5px;
    height: 5px;
    background: radial-gradient(circle, yellow, transparent);
    border-radius: 50%;
    animation: spark-animation 1.5s infinite;
}

@keyframes spark-animation {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 0.5;
        transform: translateY(-100px) scale(1.5);
    }
    100% {
        opacity: 0;
        transform: translateY(-200px) scale(2);
    }
}

/* Позиционируем искры */
.spark:nth-child(1) { left: 20%; animation-delay: 0s; }
.spark:nth-child(2) { left: 40%; animation-delay: 0.5s; }
.spark:nth-child(3) { left: 60%; animation-delay: 1s; }
.spark:nth-child(4) { left: 80%; animation-delay: 1.5s; }
.spark:nth-child(5) { left: 30%; animation-delay: 2s; }



.formButtons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

/* Главная кнопка — ФИОЛЕТОВАЯ МАГИЯ */
#submit_singup {
    padding: 12px 20px;
    background: linear-gradient(135deg, #8e44ff, #6c2ed9);
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(160, 100, 255, 0.4);
    transition: all 0.3s ease;
}

#submit_singup:hover {
    background: linear-gradient(135deg, #a35bff, #8e44ff);
    box-shadow: 0 0 25px rgba(170, 120, 255, 0.7);
}

/* Кнопка "Выход" — Белая с тенью */
.button-white {
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.button-white:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

#submit_login {
    padding: 12px 20px;
    background: linear-gradient(135deg, #8e44ff, #6c2ed9);
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(160, 100, 255, 0.4);
    transition: all 0.3s ease;
}

#submit_login:hover {
    background: linear-gradient(135deg, #a35bff, #8e44ff);
    box-shadow: 0 0 25px rgba(170, 120, 255, 0.7);
}