/* ==========================================================================
   Story Library Pages
   Mobile-first, lib- prefix to avoid collision with proto.css
   ========================================================================== */

/* --- Sections --- */
.lib-section {
    background-color: var(--cloud);
}

.lib-section--alt {
    background-color: var(--parchment);
}

.lib-hero {
    text-align: center;
    padding: 4rem 0 3rem;
    background-color: var(--cloud);
}

/* --- Page-level headings --- */
.lib-page-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-3xl);
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.lib-page-desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 680px;
    margin-bottom: var(--space-8);
}

/* --- Breadcrumb --- */
.lib-breadcrumb {
    font-size: 0.875rem;
    margin-bottom: var(--space-5);
    color: var(--color-text-secondary);
}

.lib-breadcrumb a {
    color: var(--forest-moss);
    text-decoration: none;
    font-weight: 500;
}

.lib-breadcrumb a:hover {
    text-decoration: underline;
}

.lib-breadcrumb a:focus-visible {
    outline: 3px solid var(--antique-gold);
    outline-offset: 2px;
    border-radius: 2px;
}

/* --- Browse category cards --- */
.lib-browse-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .lib-browse-grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .lib-browse-grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .lib-browse-grid--5 {
        grid-template-columns: repeat(5, 1fr);
    }
}

.lib-browse-card {
    display: block;
    padding: var(--space-5) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    background-color: var(--cloud);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 200ms ease-out, box-shadow 200ms ease-out;
    min-height: 44px;
}

.lib-browse-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lib-browse-card:focus-visible {
    outline: 3px solid var(--antique-gold);
    outline-offset: 2px;
}

.lib-section--alt .lib-browse-card {
    background-color: var(--cloud);
}

.lib-browse-card-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--color-text-primary);
    margin: 0;
}

.lib-browse-card-count {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* --- Story card grid --- */
.lib-stories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .lib-stories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .lib-stories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --- Story card --- */
.lib-story-card {
    display: block;
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    background-color: var(--cloud);
    box-shadow: var(--shadow-sm);
    transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}

.lib-story-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lib-story-card:focus-visible {
    outline: 3px solid var(--antique-gold);
    outline-offset: 2px;
}

.lib-section--alt .lib-story-card {
    background-color: var(--cloud);
}

.lib-story-card-emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-4);
}

.lib-story-card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin: 0 0 0.5rem;
}

.lib-story-card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    margin: 0 0 var(--space-4);
}

.lib-story-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* --- Badges --- */
.lib-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--parchment);
    color: var(--forest-moss);
}

.lib-badge--link {
    text-decoration: none;
    transition: background-color 150ms ease;
}

.lib-badge--link:hover {
    background: rgba(0, 0, 0, 0.10);
}

.lib-badge--link:focus-visible {
    outline: 2px solid var(--antique-gold);
    outline-offset: 1px;
}

/* --- Story detail --- */
.lib-story-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.lib-story-detail-emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-3);
}

.lib-story-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}

.lib-story-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 680px;
    margin: 0 auto;
}

/* Story text — line length control */
.lib-story-text {
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
    font-size: var(--text-base);
    color: var(--color-text-primary);
}

.lib-story-text p {
    margin-bottom: var(--space-4);
}

/* --- Login wall --- */
.lib-login-wall {
    position: relative;
    margin-top: -2rem;
}

.lib-login-wall-fade {
    background: linear-gradient(transparent 0%, var(--cloud) 90%);
    height: 120px;
    pointer-events: none;
}

.lib-login-wall-cta {
    text-align: center;
    padding: 2rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    max-width: 480px;
    margin: 0 auto;
    background-color: var(--cloud);
}

.lib-login-wall-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.lib-login-wall-note {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.lib-login-wall-buttons {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.lib-login-wall-buttons .btn {
    min-width: 160px;
}

/* --- Personalisation CTA banner --- */
.lib-personalise-banner {
    background: radial-gradient(ellipse at top left, rgba(168, 197, 181, 0.15) 0%, transparent 50%), var(--forest-moss);
    text-align: center;
}

.lib-personalise-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-3xl);
    color: #fff;
    margin-bottom: var(--space-3);
}

.lib-personalise-sub {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

/* --- Empty state --- */
.lib-empty-state {
    text-align: center;
    padding: var(--space-10) 0;
    color: var(--color-text-secondary);
}

/* --- Related categories --- */
.lib-related-categories {
    margin-top: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.lib-related-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
}

/* --- Stagger animations --- */
.lib-browse-grid .fade-up:nth-child(2) { transition-delay: 60ms; }
.lib-browse-grid .fade-up:nth-child(3) { transition-delay: 120ms; }
.lib-browse-grid .fade-up:nth-child(4) { transition-delay: 180ms; }
.lib-browse-grid .fade-up:nth-child(5) { transition-delay: 240ms; }

.lib-stories-grid .fade-up:nth-child(2) { transition-delay: 80ms; }
.lib-stories-grid .fade-up:nth-child(3) { transition-delay: 160ms; }
.lib-stories-grid .fade-up:nth-child(4) { transition-delay: 240ms; }

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    .lib-story-card,
    .lib-browse-card {
        transition: none;
    }

    .lib-story-card:hover,
    .lib-browse-card:hover {
        transform: none;
    }
}

/* --- Mobile (< 768px) --- */
@media (max-width: 767px) {
    .lib-hero {
        padding: 3rem 0 2rem;
    }

    .lib-page-title {
        font-size: var(--text-2xl);
    }

    .lib-personalise-title {
        font-size: var(--text-xl);
    }

    .lib-story-detail-emoji {
        font-size: 2.5rem;
    }

    .lib-login-wall-buttons {
        flex-direction: column;
        align-items: center;
    }

    .lib-login-wall-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}