.reservation-alert-container {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    pointer-events: none !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    padding-top: 80px !important;
    margin: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    padding-bottom: 0 !important;
    isolation: isolate;
}

.reservation-alert {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 50%, #ff6b6b 100%);
    color: #fff;
    padding: 16px 28px;
    margin: 5px auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4),
                0 0 30px rgba(255, 107, 107, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    min-width: 320px;
    max-width: 650px;
    width: 90%;
    pointer-events: auto;
    transform: translateY(-100px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.4s ease-out;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 17px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.reservation-alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.reservation-alert.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.reservation-alert.hide {
    transform: translateY(-100px) scale(0.9);
    opacity: 0;
}

.alert-icon {
    font-size: 28px;
    line-height: 1;
    animation: bounce 2s infinite;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.alert-message {
    flex: 1;
    text-align: center;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
    font-weight: 700;
}

.alert-close {
    background: rgba(255, 255, 255, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
    backdrop-filter: blur(5px);
}

.alert-close:hover {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.15) rotate(90deg);
}

.alert-close:active {
    transform: scale(0.95) rotate(90deg);
}

@media (max-width: 768px) {
    .reservation-alert-container {
        padding-top: 70px !important;
    }
    
    .reservation-alert {
        min-width: 280px;
        max-width: 95%;
        padding: 14px 22px;
        font-size: 15px;
        gap: 12px;
    }
    
    .alert-icon {
        font-size: 24px;
    }
    
    .alert-close {
        width: 30px;
        height: 30px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .reservation-alert-container {
        padding-top: 60px !important;
    }
    
    .reservation-alert {
        min-width: 260px;
        padding: 12px 18px;
        font-size: 14px;
        gap: 10px;
    }
    
    .alert-icon {
        font-size: 22px;
    }
    
    .alert-close {
        width: 28px;
        height: 28px;
        font-size: 18px;
    }
}