.messages-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    max-width: 380px;
}

.messages-container .alert {
    margin-bottom: 12px;
    padding: 16px 45px 16px 20px;
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    animation: slideInRight 0.4s ease-out;
    position: relative;
    border-left: 4px solid;
    font-size: 14px;
    line-height: 1.5;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.messages-container .alert-success {
    background-color: #d4edda;
    border-left-color: #28a745;
    color: #155724;
}

.messages-container .alert-error,
.messages-container .alert-danger {
    background-color: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
}

.messages-container .alert-warning {
    background-color: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
}

.messages-container .alert-info {
    background-color: #d1ecf1;
    border-left-color: #17a2b8;
    color: #0c5460;
}

.messages-container .close {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
    width: 24px;
    height: 24px;
    line-height: 24px;
    transition: opacity 0.2s;
}

.messages-container .close:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .messages-container {
        top: 70px;
        right: 15px;
        left: 15px;
        max-width: none;
    }
    
    .messages-container .alert {
        font-size: 13px;
        padding: 14px 40px 14px 16px;
    }
}