.messagebox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.messagebox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.messagebox-container {
    width: 90%;
    max-width: 400px;
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    border: 2px solid #ffc107;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.messagebox-overlay.active .messagebox-container {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.messagebox-icon {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 3rem;
}

.messagebox-icon.success i { color: #28a745; }
.messagebox-icon.error i { color: #dc3545; }
.messagebox-icon.warning i { color: #ffc107; }
.messagebox-icon.info i { color: #1a6e73; }

.messagebox-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.messagebox-message {
    text-align: center;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.messagebox-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.messagebox-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 100px;
}

.messagebox-btn.confirm {
    background: #1a6e73;
    color: white;
    box-shadow: 0 4px 12px rgba(26, 110, 115, 0.3);
}

.messagebox-btn.confirm:hover {
    background: #0f5559;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(26, 110, 115, 0.4);
}

.messagebox-btn.cancel {
    background: #f8f9fa;
    color: #666;
    border: 2px solid #e1e5e9;
}

.messagebox-btn.cancel:hover {
    background: #e9ecef;
    border-color: #ffc107;
}

.messagebox-btn.danger {
    background: #dc3545;
    color: white;
}

.messagebox-btn.danger:hover {
    background: #c82333;
}

@media (max-width: 480px) {
    .messagebox-container {
        padding: 1.5rem;
        width: 95%;
    }
    
    .messagebox-buttons {
        flex-direction: column;
    }
    
    .messagebox-btn {
        width: 100%;
    }
}