.session-message {
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 14px;
    position: relative;
    text-align: center;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    animation: fadeInDown 0.5s ease forwards;
    transform: translateY(-10px);
    opacity: 0;
}

@keyframes fadeInDown {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.session-message.expired {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
    
}

.session-message.invalid {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.session-message.success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.session-message.info {
    background-color: #e7f5ff;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.session-message .icon {
    margin-right: 8px;
    vertical-align: middle;
}

/* Close button for messages */
.session-message .close-btn {
    position: absolute;
    right: 7px;
    top: 5px;
    background: transparent;
    border: none;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.session-message .close-btn:hover {
    opacity: 1;
}

/* Responsive styles */
@media (max-width: 576px) {
    .session-message {
        padding: 25px;
        font-size: 13px;
    }
}