/* ============================================
   ESTILOS PARA SECCIÓN DE AULAS ANFECA
   Galería de aulas con modal de fotos y filtros por periodo
   Hereda variables de style.css
   ============================================ */

/* Estilos de la sección */
.seccion-aulas {
    padding: 3rem 0;
    background: #fff;
    position: relative;
    z-index: 1;
}

/* Filtros por periodo - USANDO VARIABLES */
.filtros-aulas {
    margin-bottom: 2.5rem;
    text-align: center;
}

.filtro-periodos {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.periodo-btn {
    background: white;
    border: 2px solid var(--color-gray-dark, #ddd);
    color: var(--color-gray-dark, #555);
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.periodo-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.periodo-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Contenedor de aulas */
.aulas-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

/* Mensaje sin resultados */
.sin-resultados {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--color-gray-dark, #666);
    font-size: 1.1rem;
}

/* Tarjeta de aula - MÁS COMPACTA */
.aula-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 3px 15px rgba(0, 0, 0, 0.1));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    height: 300px;
    display: flex;
    flex-direction: column;
}

.aula-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(139, 0, 0, 0.15);
}

/* Imagen del aula - LOGO COMO FONDO */
.aula-imagen {
    height: 160px;
    overflow: hidden;
    position: relative;
    background: var(--color-gray-ultralight, #f5f5f5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

/* Logo como fondo con overlay blanco semitransparente */
.aula-logo-fondo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    background-color: var(--color-gray-ultralight, #f9f9f9);
}

.aula-card:hover .aula-logo-fondo {
    opacity: 0.6;
}

/* Contenido de la tarjeta */
.aula-contenido {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: white;
    position: relative;
    z-index: 2;
}

/* Wrapper para nombre y badge */
.aula-nombre-wrapper {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.aula-nombre {
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
    font-family: var(--font-heading);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin: 0;
}

/* Badge elegante y discreto para múltiples aulas */
.aulas-count-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 400;
    font-style: italic;
    color: #aaa;
    background: transparent;
    padding: 0.15rem 0 0.15rem 0.6rem;
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
    border-left: 1px solid #e0e0e0;
}

.aula-card:hover .aulas-count-badge {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.aula-facultad {
    color: var(--color-gray-dark, #666);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.aula-fecha {
    color: var(--color-gray-lighter, #888);
    font-size: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-gray-ultralight, #eee);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Icono de calendario */
.icono-calendario {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Overlay de hover */
.aula-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    opacity: 0.85;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
}

.aula-card:hover .aula-overlay {
    opacity: 0.85;
}

.overlay-texto {
    color: white;
    text-align: center;
    padding: 1.5rem;
}

.overlay-texto h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: white;
}

.overlay-texto p {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.boton-ver {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.boton-ver:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
    transform: translateY(-2px);
}

/* ===== MODALES MEJORADOS - SIEMPRE VISIBLES ===== */
.modal-galeria {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 999999 !important;
    overflow-y: auto;
    backdrop-filter: blur(5px);
}

.modal-contenido {
    position: relative;
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg, 0 25px 50px rgba(0, 0, 0, 0.5));
    animation: modalAppear 0.3s ease-out;
    z-index: 1000000 !important;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cabecera del modal */
.modal-header {
    background: var(--color-primary);
    color: white;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-heading);
}

.cerrar-modal {
    background: none;
    border: none;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.cerrar-modal:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Galería dentro del modal */
.galeria-container {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.galeria-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    height: 140px;
    background: var(--color-gray-ultralight, #f8f9fa);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.1));
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.galeria-item:hover img {
    transform: scale(1.05);
}

/* Controles de navegación */
.galeria-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-ultralight, #eee);
}

.control-galeria {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-galeria:hover {
    background: var(--color-primary-dark, #8b0000);
    transform: translateY(-2px);
}

.control-galeria:disabled {
    background: var(--color-gray-lighter, #ccc);
    cursor: not-allowed;
    transform: none;
}

#paginaInfo {
    color: var(--color-gray-dark, #666);
    font-weight: 600;
    min-width: 100px;
    text-align: center;
    font-size: 0.9rem;
}

/* Modal ampliado */
.modal-ampliado {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000000 !important;
    backdrop-filter: blur(8px);
}

.modal-ampliado-contenido {
    position: relative;
    width: 90%;
    max-width: 1000px;
    height: 85vh;
    margin: 7.5vh auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-ampliado-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: var(--shadow-lg, 0 10px 30px rgba(0, 0, 0, 0.5));
}

.cerrar-ampliado {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1000001;
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.cerrar-ampliado:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.controles-ampliado {
    position: absolute;
    bottom: 2rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    z-index: 1000001;
}

/* Loading */
.galeria-loading {
    text-align: center;
    padding: 3rem;
    color: var(--color-gray-light, #666);
}

.galeria-loading p {
    margin-top: 1rem;
    font-size: 0.9rem;
}

/* ========== ENCABEZADO DE PÁGINA ========= */
.page-header {
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-dark);
    text-align: center;
    max-width: 800px;
    margin: 1rem auto 0;
    line-height: 1.5;
}

/* ========== RESPONSIVE ========= */
@media (max-width: 1200px) {
    .aulas-container {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    }
}

@media (max-width: 1024px) {
    .page-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
}

@media (max-width: 992px) {
    .aulas-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .aula-card {
        height: 280px;
    }
    
    .aula-imagen {
        height: 140px;
    }
}

@media (max-width: 768px) {
    .seccion-aulas {
        padding: 2rem 0;
    }
    
    .page-title {
        font-size: 1.5rem;
        padding: 0 1rem;
    }
    
    .page-title::after {
        width: 60px;
        height: 3px;
        bottom: -8px;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        padding: 0 1rem;
    }
    
    .filtros-aulas {
        margin-bottom: 1.5rem;
    }
    
    .periodo-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .aulas-container {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
    
    .aula-card {
        height: 260px;
    }
    
    .aula-imagen {
        height: 130px;
    }
    
    .modal-contenido {
        width: 95%;
        margin: 20px auto;
    }
    
    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .galeria-item {
        height: 120px;
    }
    
    .galeria-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .modal-ampliado-contenido {
        height: 70vh;
        margin: 15vh auto;
    }
}

@media (max-width: 576px) {
    .aulas-container {
        grid-template-columns: repeat(2, 1fr);
        max-width: 500px;
        margin: 0 auto;
    }
    
    .page-title {
        font-size: 1.3rem;
        padding: 0 0.5rem;
    }
    
    .page-title::after {
        width: 50px;
        height: 3px;
        bottom: -6px;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
        padding: 0 0.5rem;
    }
    
    .aula-card {
        height: 240px;
    }
    
    .aula-imagen {
        height: 110px;
    }
    
    .aula-contenido {
        padding: 0.8rem;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h3 {
        font-size: 1.1rem;
    }
    
    .galeria-container {
        padding: 1rem;
    }
    
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .galeria-item {
        height: 100px;
    }
}

@media (max-width: 480px) {
    .aulas-container {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    
    .page-title {
        font-size: 1.2rem;
    }
    
    .aula-card {
        height: 280px;
    }
    
    .aula-imagen {
        height: 140px;
    }
    
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 375px) {
    .page-title {
        font-size: 1.1rem;
    }
}