/* Biblioteca - Enciclopedia de Manga */
.biblioteca-hero {
    background: linear-gradient(135deg, #2c1810 0%, #4a2c17 50%, #1a1d21 100%);
    padding: 2.5rem 0;
    margin-bottom: 2rem;
}
.biblioteca-hero h2 {
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}
.biblioteca-hero p {
    color: #adb5bd;
    margin: 0.5rem 0 0;
    font-size: 0.9rem;
}

/* Cards del listado */
.biblioteca-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
}
.biblioteca-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.biblioteca-card .card-header {
    background-color: #343a40;
    border-bottom: 3px solid #c0392b;
}
.biblioteca-card .card-img-top {
    width: 100%;
    transition: transform 0.3s;
}
.biblioteca-card:hover .card-img-top {
    transform: scale(1.03);
}
.biblioteca-card .card-body {
    background: #f8f9fa;
    text-align: center;
}
.biblioteca-card .card-footer {
    background: #f0f0f0;
    text-align: center;
    font-size: 0.85rem;
    color: #666;
}
.biblioteca-card .personaje-nombre {
    font-weight: 600;
    font-size: 0.95rem;
    margin: 0;
}
.biblioteca-card .personaje-autor {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

/* Detalle del volumen */
.volumen-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}
.volumen-intro {
    font-size: 1rem;
    text-align: center;
    color: #555;
    max-width: 700px;
    margin: 0 auto 2rem;
}
.volumen-section {
    margin-bottom: 2rem;
}
.volumen-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
}
.volumen-section .text-jp {
    font-family: 'Noto Sans JP', sans-serif;
    text-align: center;
}
.volumen-section p {
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: justify;
}
.volumen-img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}
.volumen-nav-btn {
    font-size: 0.9rem;
}
.volumen-notas {
    background: #f8f9fa;
    border-left: 4px solid #c0392b;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}
.volumen-notas sup {
    font-weight: 700;
    color: #c0392b;
}
.volumen-download-btn {
    background: #343a40;
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    transition: background 0.3s;
}
.volumen-download-btn:hover {
    background: #c0392b;
    color: #fff;
}
.volumen-meta {
    font-size: 0.8rem;
    color: #888;
    border-top: 1px solid #ddd;
    padding-top: 1rem;
    margin-top: 2rem;
}

[data-bs-theme="dark"] .biblioteca-card .card-body {
    background: #2b2b2b;
}
[data-bs-theme="dark"] .biblioteca-card .card-footer {
    background: #1f1f1f;
    color: #aaa;
}
[data-bs-theme="dark"] .biblioteca-card .personaje-autor {
    color: #aaa;
}
[data-bs-theme="dark"] .volumen-intro {
    color: #bbb;
}
[data-bs-theme="dark"] .volumen-notas {
    background: #2b2b2b;
    border-left-color: #e74c3c;
}
[data-bs-theme="dark"] .volumen-meta {
    border-top-color: #444;
    color: #999;
}

/* Botones navegación volumen */
.volumen-nav-btn {
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s;
}
.volumen-nav-btn:hover {
    background: #343a40;
    color: #fff;
    border-color: #343a40;
}
[data-bs-theme="dark"] .volumen-nav-btn {
    color: #fff;
    border-color: #6c757d;
}
[data-bs-theme="dark"] .volumen-nav-btn:hover {
    background: #c0392b;
    border-color: #c0392b;
}