/* ============================================================= */
/*  Pantalla Materiales — Opción B (panel de filtros lateral)     */
/*  Estilo coherente con cursoCard / Espacios                     */
/* ============================================================= */

/* ---------- Cabecera ---------- */
.materialesB .matHeader {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0 22px;
}

.materialesB .matHeader i {
    font-size: 1.6rem;
    color: var(--colorColegio, #6c3483);
}

.materialesB .matHeader h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 500;
    color: #1a1a2e;
}

.materialesB .matHeaderLine {
    height: 3px;
    flex: 1;
    border-radius: 3px;
    margin-left: 8px;
    background: linear-gradient(90deg, var(--colorColegio, #6c3483), transparent);
}

/* ---------- Layout de dos columnas ---------- */
.materialesB .layoutB {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: start;
}

.materialesB .matContent {
    min-width: 0;
}

/* ---------- Panel lateral de filtros ---------- */
.materialesB .sideFiltros {
    background: #fff;
    border: 1px solid #e9edf1;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 90px;
}

.materialesB .sideFiltros h4 {
    margin: 0 0 18px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1a1a2e;
}

.materialesB .sideFiltros h4 i {
    color: var(--colorColegio, #6c3483);
}

.materialesB .fGroup {
    margin-bottom: 18px;
}

.materialesB .fGroup label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #6b7680;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 7px;
}

.materialesB .fGroup label i {
    color: var(--colorColegio, #6c3483);
}

/* select moderno */
.materialesB .selModern {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid #d7dde3;
    border-radius: 10px;
    padding: 8px 34px 8px 12px;
    font-size: 0.85rem;
    background: #fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236c3483' viewBox='0 0 16 16'><path d='M3 6l5 5 5-5'/></svg>") no-repeat right 12px center;
    cursor: pointer;
}

.materialesB .selModern:focus {
    outline: none;
    border-color: var(--colorColegio, #6c3483);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--colorColegio, #6c3483) 18%, white);
}

/* caja de búsqueda */
.materialesB .searchBox {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #d7dde3;
    border-radius: 10px;
    padding: 6px 12px;
    background: #fff;
}

.materialesB .searchBox i {
    color: #9aa4ad;
}

.materialesB .searchBox .searchInput {
    border: 0;
    outline: none;
    flex: 1;
    width: 100%;
    font-size: 0.85rem;
    background: transparent;
}

.materialesB .searchBox:focus-within {
    border-color: var(--colorColegio, #6c3483);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--colorColegio, #6c3483) 18%, white);
}

/* botón aplicar */
.materialesB .btnAplicar {
    width: 100%;
    border: 0;
    background: var(--colorColegio, #6c3483);
    color: #fff;
    border-radius: 10px;
    padding: 11px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 4px;
}

.materialesB .btnAplicar:hover {
    filter: brightness(0.88);
}

/* enlace filtros avanzados */
.materialesB .lnkAvanzados {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    border: 1px solid #dfe4e9;
    border-radius: 10px;
    padding: 9px;
    margin-top: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--colorColegio, #6c3483) !important;
    text-decoration: none !important;
}

.materialesB .lnkAvanzados:hover {
    border-color: var(--colorColegio, #6c3483);
    background: color-mix(in srgb, var(--colorColegio, #6c3483) 8%, white);
}

/* botón limpiar */
.materialesB .btnLimpiar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    border: 1px solid #dfe4e9;
    border-radius: 10px;
    padding: 9px;
    margin-top: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #e74c3c !important;
    text-decoration: none !important;
}

.materialesB .btnLimpiar:hover {
    border-color: #e74c3c;
    background: #fdecea;
}

/* ---------- Tarjetas de galería (reestilizado del .card bootstrap) ---------- */
.materialesB .card {
    border: 1px solid #eee;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.materialesB .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.materialesB .card .card-img-top {
    object-fit: contain;
    background: #f6f8fa;
}

.materialesB .card .nombreMaterialLista {
    color: #1a1a2e;
}

.materialesB .card .card-footer {
    background: transparent;
    border-top: 0;
    padding-top: 0;
}

.materialesB .card .card-footer .btn-primary {
    display: block;
    width: 100%;
    background: var(--colorColegio, #6c3483);
    border: 0;
    border-radius: 10px;
    padding: 10px;
    font-weight: 600;
    font-size: 0.85rem;
}

.materialesB .card .card-footer .btn-primary:hover {
    filter: brightness(0.88);
}

/* ---------- Toggle de vista (Galería / Lista) ---------- */
.materialesB .vistaToggle {
    display: flex;
    border: 1.5px solid #e9ecef;
    border-radius: 0.5rem;
    overflow: hidden;
}

.materialesB .vistaToggle-btn {
    flex: 1;
    text-align: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
    background: #fff;
    text-decoration: none;
    border: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.materialesB .vistaToggle-btn:hover {
    background: #f8f9fa;
    color: #495057;
    text-decoration: none;
}

.materialesB .vistaToggle-btn.active,
.materialesB .vistaToggle-btn.active:hover {
    background: var(--colorColegio, #6c3483);
    color: #fff;
}

/* ---------- Paginación (estilo RegistroColegiados) ---------- */
.materialesB .padding20 {
    display: flex;
    justify-content: flex-start;
    gap: 4px;
    padding: 16px 0;
}

.materialesB .botonPager,
.materialesB .botonPagerSeleccionado {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 0.82rem;
    text-decoration: none;
    border: 1.5px solid #e0e0e0;
    color: #636e72;
    transition: all 0.15s;
    padding: 0 0.4rem;
    margin: 0 1px;
    cursor: pointer;
}

.materialesB .botonPager:hover {
    border-color: var(--colorColegio, #6c3483);
    color: var(--colorColegio, #6c3483);
    background: #f0f8fb;
}

.materialesB .botonPagerSeleccionado {
    background: var(--colorColegio, #6c3483);
    color: #fff;
    border-color: var(--colorColegio, #6c3483);
    font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .materialesB .layoutB {
        grid-template-columns: 1fr;
    }

    .materialesB .sideFiltros {
        position: static;
    }
}