/* Bandeau Beta */
.beta-banner {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: white;
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.5s ease;
}

.beta-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 14px;
    text-align: center;
}

.beta-banner-content i.fa-flask {
    font-size: 20px;
    animation: shake 2s infinite;
}

.beta-text {
    flex: 1;
    line-height: 1.5;
}

.beta-text strong {
    font-weight: 600;
}

.beta-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.beta-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-5deg); }
    20%, 40%, 60%, 80% { transform: rotate(5deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .beta-banner {
        padding: 10px 15px;
    }

    .beta-banner-content {
        font-size: 12px;
        gap: 10px;
    }

    .beta-banner-content i.fa-flask {
        font-size: 16px;
    }

    .beta-close {
        width: 25px;
        height: 25px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .beta-banner-content {
        font-size: 11px;
    }

    .beta-text strong {
        display: block;
    }
}