/* ============================================
   Page Tabs - Shared Tab Navigation Component
   Scrollable tabs with hidden scrollbars,
   gradient arrow indicators, and mobile support.
   ============================================ */

/* Wrapper: positions arrows relative to tab row */
.page-tabs-wrapper {
    position: relative;
}

/* Scrollable tab row */
.page-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 3px solid var(--border);
    margin-bottom: 3rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    /* Hide scrollbar - Firefox */
    scrollbar-width: none;
}

/* Hide scrollbar - Chrome/Safari/Edge */
.page-tabs::-webkit-scrollbar {
    display: none;
}

/* Individual tab button */
.page-tab {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    color: var(--text-muted);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.page-tab:hover {
    color: var(--accent);
}

.page-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Arrow buttons for desktop overflow */
.page-tabs-arrow {
    position: absolute;
    top: 0;
    bottom: 3px; /* align with border-bottom */
    width: 48px;
    border: none;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.page-tabs-arrow.visible {
    opacity: 1;
    pointer-events: auto;
}

.page-tabs-arrow--left {
    left: 0;
    background: linear-gradient(to right, var(--surface) 40%, transparent);
    padding-right: 12px;
}

.page-tabs-arrow--right {
    right: 0;
    background: linear-gradient(to left, var(--surface) 40%, transparent);
    padding-left: 12px;
}

.page-tabs-arrow svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.page-tabs-arrow:hover svg {
    stroke: var(--accent);
}

/* Tab content panels */
.tab-content {
    display: none;
    animation: pageTabFadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes pageTabFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive: tablet */
@media (max-width: 768px) {
    .page-tab {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    /* Hide arrow buttons on touch devices */
    .page-tabs-arrow {
        display: none;
    }
}

/* Responsive: small phones */
@media (max-width: 480px) {
    .page-tab {
        padding: 0.65rem 1rem;
        font-size: 0.85rem;
    }
}