/* ================================================================
   App: Reader — Tab-Strip. Scoped to [data-window="reader"].
   Horizontal strip above content; appears when > 1 tab is open.
   ================================================================ */
[data-window="reader"] .blog__tab-strip {
    display: flex;
    align-items: stretch;
    gap: 2px;
    padding: 0 0 var(--byte-sp-3);
    border-bottom: 1px solid var(--byte-border);
    margin-bottom: var(--byte-sp-3);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    flex-shrink: 0;
}
[data-window="reader"] .blog__tab-strip::-webkit-scrollbar { display: none; }
[data-window="reader"] .blog__tab-strip[hidden] { display: none; }

[data-window="reader"] .blog__tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--byte-r-sm);
    color: var(--byte-text-muted);
    font-family: var(--byte-font-mono);
    font-size: var(--byte-fs-xs);
    white-space: nowrap;
    cursor: pointer;
    flex-shrink: 0;
    max-width: 180px;
    transition: background var(--byte-t-fast),
                color var(--byte-t-fast),
                border-color var(--byte-t-fast);
}
[data-window="reader"] .blog__tab:hover {
    background: var(--byte-ink-800);
    color: var(--byte-text);
}
[data-window="reader"] .blog__tab.is-active {
    background: var(--byte-primary-soft);
    color: var(--byte-primary);
    border-color: rgba(253, 125, 0, 0.30);
}
[data-window="reader"] .blog__tab i {
    font-size: 13px;
    flex-shrink: 0;
}

[data-window="reader"] .blog__tab-label {
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

[data-window="reader"] .blog__tab-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity var(--byte-t-fast), background var(--byte-t-fast);
}
[data-window="reader"] .blog__tab:hover .blog__tab-close,
[data-window="reader"] .blog__tab.is-active .blog__tab-close {
    opacity: 0.7;
}
[data-window="reader"] .blog__tab-close:hover {
    opacity: 1 !important;
    background: var(--byte-ink-700);
}
[data-window="reader"] .blog__tab-close i {
    font-size: 12px;
}

/* Fade-in when strip appears */
@keyframes blog-tab-strip-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}
[data-window="reader"] .blog__tab-strip.is-entering {
    animation: blog-tab-strip-in 200ms ease-out forwards;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    [data-window="reader"] .blog__tab-strip.is-entering { animation: none; }
}