/* ============================================
   VERSION NOTIFICATION BANNER
   ============================================ */

.version-banner {
    position: fixed;
    /* top is set dynamically by JavaScript based on header height */
    top: 0;
    left: 0;
    right: 0;
    z-index: 999; /* Below header dropdowns (z-index: 1000) */
    background: var(--primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    animation: bannerSlideIn 0.4s ease-out;
    visibility: hidden; /* Hidden until JS positions it */
}

.version-banner.positioned {
    visibility: visible;
}

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

.version-banner[hidden] {
    display: none;
}

.version-banner-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0.625rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.version-banner-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--background);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: opacity 0.2s;
}

.version-banner-link:hover {
    opacity: 0.85;
    color: var(--background);
}

.version-banner-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    color: var(--primary);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.version-banner-text {
    color: var(--background);
}

.version-banner-arrow {
    color: var(--background);
    transition: transform 0.2s;
}

.version-banner-link:hover .version-banner-arrow {
    transform: translateX(3px);
}

.version-banner-close {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    color: var(--background);
    cursor: pointer;
    transition: background 0.2s, opacity 0.2s;
    flex-shrink: 0;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
}

.version-banner-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

.version-banner-close:focus {
    outline: 2px solid var(--background);
    outline-offset: 2px;
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    .version-banner-content {
        padding: 0.5rem 1rem;
        gap: 1rem;
    }

    .version-banner-link {
        font-size: 0.8125rem;
        gap: 0.5rem;
    }

    .version-banner-badge {
        font-size: 0.625rem;
        padding: 0.1875rem 0.375rem;
    }

    .version-banner-close {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}