/* ════════════════════════════════════════════════════════
   CMCI OBILI — BIBLIOTHÈQUE CHRÉTIENNE
   Design system cohérent
   "Toute la gloire à Dieu" 🙏
   ════════════════════════════════════════════════════════ */

/* ════════════════════════════════════════════════════════
   1. HERO BIBLIOTHÈQUE
════════════════════════════════════════════════════════ */
.biblio-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary-dark);
    margin-top: calc(var(--nav-h) * -1);
    padding-top: var(--nav-h);
}

.biblio-hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1507842217343-583bb7270b66?w=2000&q=85') center/cover no-repeat;
    transform: scale(1.05);
    animation: biblioHeroZoom 25s ease-in-out infinite alternate;
    filter: saturate(1.1) contrast(1.05);
}

@keyframes biblioHeroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}

.biblio-hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.biblio-hero-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: 0.05;
    mix-blend-mode: overlay;
}

.biblio-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 3rem 1.5rem;
    max-width: 880px;
}

.biblio-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #fff;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1.2rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--r-pill);
    backdrop-filter: blur(12px);
    animation: fadeUp 0.8s var(--ease-out) both;
}

.biblio-hero-eyebrow i {
    color: var(--accent-light);
    text-shadow: 0 0 10px var(--accent-light);
}

.biblio-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    animation: fadeUp 0.8s var(--ease-out) 0.1s both;
    text-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.biblio-hero-title span {
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 50%, #fff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: italic;
    font-family: var(--font-accent);
    font-weight: 600;
    filter: drop-shadow(0 4px 15px rgba(201, 164, 76, 0.4));
}

.biblio-hero-desc {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); filter: blur(5px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* ════════════════════════════════════════════════════════
   2. STATS BANNER
════════════════════════════════════════════════════════ */
.biblio-stats-banner {
    background: var(--gradient-primary);
    padding: 2.5rem 0;
    position: relative;
    overflow: hidden;
}

.biblio-stats-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M0 0h20v20H0zM20 20h20v20H20z'/%3E%3C/g%3E%3C/svg%3E");
}

.biblio-stats-banner > * { position: relative; }

.biblio-stat-item { text-align: center; }

.biblio-stat-num {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-light) 0%, #fff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.biblio-stat-label {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
}

/* ════════════════════════════════════════════════════════
   3. SECTION TITRES
════════════════════════════════════════════════════════ */
.biblio-section {
    padding: 4rem 0;
    position: relative;
}

.biblio-section-eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.biblio-section-eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

.biblio-section-eyebrow::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-soft), transparent);
    max-width: 80px;
}

.biblio-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--text);
}

.biblio-section-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: italic;
    font-family: var(--font-accent);
    font-weight: 600;
}

/* ════════════════════════════════════════════════════════
   4. GRILLE DE LIVRES
════════════════════════════════════════════════════════ */
.biblio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.biblio-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    animation: fadeUp 0.6s var(--ease-out) both;
}

.biblio-card:hover {
    transform: translateY(-10px);
    border-color: color-mix(in srgb, var(--primary) 30%, transparent);
    box-shadow: 0 25px 50px -15px color-mix(in srgb, var(--primary) 25%, transparent);
}

.biblio-card-cover {
    position: relative;
    padding-top: 130%;
    overflow: hidden;
    background: var(--bg-soft);
}

.biblio-card-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.biblio-card:hover .biblio-card-cover img {
    transform: scale(1.08);
}

.biblio-card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.biblio-card:hover .biblio-card-cover::after {
    opacity: 1;
}

.biblio-card-no-cover {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 4rem;
}

.biblio-card-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.biblio-badge {
    padding: 0.35rem 0.9rem;
    border-radius: var(--r-pill);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.biblio-badge-category {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary);
}

.biblio-badge-locked {
    background: rgba(239, 68, 68, 0.95);
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.biblio-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.biblio-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
}

.biblio-card:hover .biblio-card-title {
    color: var(--primary);
}

.biblio-card-author {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.biblio-card-author i {
    color: var(--accent);
    margin-right: 0.3rem;
}

.biblio-card-desc {
    font-size: 0.88rem;
    color: var(--text-soft);
    line-height: 1.6;
    margin-bottom: 1.2rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.biblio-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.biblio-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.biblio-card-meta i {
    color: var(--accent);
    margin-right: 0.3rem;
}

.biblio-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--r-pill);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--gradient-primary);
    color: #fff;
    transition: all 0.3s var(--ease-out);
    box-shadow: var(--shadow-primary);
    border: none;
    cursor: pointer;
}

.biblio-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px var(--primary);
    color: #fff;
}

.biblio-card-btn-locked {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    box-shadow: 0 8px 20px rgba(107, 114, 128, 0.3);
}

/* ════════════════════════════════════════════════════════
   5. DÉTAIL LIVRE
════════════════════════════════════════════════════════ */
.biblio-detail-hero {
    position: relative;
    min-height: 40vh;
    padding: calc(var(--nav-h) + 3rem) 0 3rem;
    background: var(--primary-dark);
    overflow: hidden;
    margin-top: calc(var(--nav-h) * -1);
}

.biblio-detail-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(8px) saturate(1.2);
    opacity: 0.4;
    transform: scale(1.1);
}

.biblio-detail-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(15, 10, 31, 0.7) 0%, 
        rgba(15, 10, 31, 0.95) 100%);
}

.biblio-detail-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

.biblio-detail-cover {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    aspect-ratio: 3/4;
    background: var(--gradient-primary);
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
}

.biblio-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.biblio-detail-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 5rem;
}

.biblio-detail-info {
    color: #fff;
}

.biblio-detail-breadcrumb {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.biblio-detail-breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.biblio-detail-breadcrumb a:hover {
    color: var(--accent-light);
}

.biblio-detail-breadcrumb i {
    font-size: 0.7rem;
    color: var(--accent);
}

.biblio-detail-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.biblio-detail-author {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--accent-light);
    margin-bottom: 2rem;
}

.biblio-detail-tags {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.biblio-detail-tag {
    padding: 0.4rem 1rem;
    border-radius: var(--r-pill);
    font-size: 0.78rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.biblio-detail-tag i {
    color: var(--accent-light);
}

.biblio-detail-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.biblio-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: var(--r-pill);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    background: var(--gradient-accent);
    color: #1a0f2e;
    box-shadow: 0 12px 30px rgba(201, 164, 76, 0.4);
    transition: all 0.3s var(--ease-out);
    border: none;
    cursor: pointer;
}

.biblio-btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(201, 164, 76, 0.55);
    color: #1a0f2e;
}

.biblio-btn-share {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: var(--r-pill);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
}

.biblio-btn-share:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
    color: #fff;
}

.biblio-detail-stats {
    display: flex;
    gap: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.biblio-detail-stat {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.biblio-detail-stat i {
    color: var(--accent-light);
    font-size: 1.1rem;
}

.biblio-detail-stat strong {
    color: #fff;
    font-size: 1.2rem;
    font-family: var(--font-display);
}

/* ════════════════════════════════════════════════════════
   6. DESCRIPTION (section en dessous)
════════════════════════════════════════════════════════ */
.biblio-description-section {
    padding: 4rem 0;
    background: var(--bg);
}

.biblio-description-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.biblio-description-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.biblio-description-card h3 i {
    color: var(--primary);
}

.biblio-description-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-soft);
    font-family: var(--font-accent);
    font-style: italic;
}

/* ════════════════════════════════════════════════════════
   7. EMPTY STATE
════════════════════════════════════════════════════════ */
.biblio-empty {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--text-muted);
    background: var(--bg-alt);
    border-radius: 24px;
    border: 1px dashed var(--border-strong);
}

.biblio-empty i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 8px 20px var(--primary-soft));
}

.biblio-empty h4 {
    font-family: var(--font-display);
    color: var(--text);
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.biblio-empty p {
    font-size: 1rem;
    line-height: 1.7;
    font-family: var(--font-accent);
    font-style: italic;
}

/* ════════════════════════════════════════════════════════
   8. RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 991.98px) {
    .biblio-detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .biblio-detail-cover {
        max-width: 280px;
        margin: 0 auto;
        position: static;
    }
}

@media (max-width: 767.98px) {
    .biblio-hero { min-height: 35vh; }
    .biblio-section { padding: 3rem 0; }
    .biblio-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
    .biblio-detail-hero { padding: calc(var(--nav-h) + 2rem) 0 2rem; }
    .biblio-detail-stats { gap: 1rem; flex-wrap: wrap; }
    .biblio-detail-actions { flex-direction: column; }
    .biblio-btn-download, .biblio-btn-share { width: 100%; justify-content: center; }
}

@media (max-width: 575.98px) {
    .biblio-grid { grid-template-columns: 1fr; }
    .biblio-card-body { padding: 1.2rem; }
}