/* ============================================
    EVENTOS Y SEMINARIOS - CSS PROFESIONAL
    Responsivo: 4 tarjetas/fila (desktop), 2/fila (móvil)
    Sin modo oscuro
    ============================================ */

    /* === RESET Y BASE === */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    /* === VARIABLES CSS === */
    :root {
        --color-primary: #2563eb;
        --color-primary-hover: #1d4ed8;
        --color-secondary: #64748b;
        --color-success: #10b981;
        --color-warning: #f59e0b;
        --color-danger: #ef4444;
        --color-text: #1e293b;
        --color-text-light: #64748b;
        --color-bg: #f8fafc;
        --color-white: #ffffff;
        --color-border: #e2e8f0;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
        --radius-sm: 4px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --transition: all 0.2s ease;
    }

    /* === CONTENEDOR PRINCIPAL === */
    .eventos-container {
        background-color: var(--color-bg);
        min-height: 100vh;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 12px;
    }

    /* === HERO SECTION === */
    .eventos-hero {
        background: linear-gradient(135deg, var(--color-primary), #7c3aed);
        padding: 32px 16px;
        text-align: center;
    }

    .hero-content {
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-title {
        color: var(--color-white);
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 6px;
    }

    .hero-subtitle {
        color: rgba(255, 255, 255, 0.9);
        font-size: 0.85rem;
        font-weight: 400;
    }

    /* === SECCIÓN DE FILTROS === */
    .filtros-section {
        background: var(--color-white);
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .filtros-form {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .busqueda-principal {
        display: flex;
        gap: 8px;
        max-width: 400px;
    }

    .search-input {
        flex: 1;
        padding: 8px 12px;
        font-size: 0.8rem;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        outline: none;
        transition: var(--transition);
    }

    .search-input:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
    }

    .btn-search {
        padding: 8px 14px;
        background: var(--color-primary);
        color: var(--color-white);
        border: none;
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: var(--transition);
        font-size: 0.8rem;
    }

    .btn-search:hover {
        background: var(--color-primary-hover);
    }

    .filtros-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .filtro-select {
        padding: 6px 10px;
        font-size: 0.75rem;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        background: var(--color-white);
        cursor: pointer;
        min-width: 120px;
        outline: none;
        transition: var(--transition);
    }

    .filtro-select:focus {
        border-color: var(--color-primary);
    }

    /* === SECCIÓN DE DESTACADOS === */
    .destacados-section {
        padding: 24px 0;
    }

    .section-title {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 16px;
    }

    .eventos-destacados {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .evento-destacado-card {
        background: var(--color-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        text-decoration: none;
        color: inherit;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: block;
    }

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

    .evento-destacado-imagen {
        position: relative;
        height: 100px;
        overflow: hidden;
    }

    .evento-destacado-imagen img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .badge-destacado {
        position: absolute;
        top: 6px;
        left: 6px;
        background: var(--color-warning);
        color: var(--color-white);
        padding: 2px 8px;
        border-radius: var(--radius-sm);
        font-size: 0.65rem;
        font-weight: 600;
    }

    .evento-destacado-info {
        padding: 10px;
    }

    .evento-destacado-info h3 {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 4px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .evento-destacado-info .evento-descripcion-corta {
        font-size: 0.7rem;
        color: var(--color-text-light);
        margin-bottom: 6px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .evento-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .evento-meta span {
        font-size: 0.65rem;
        color: var(--color-text-light);
        display: flex;
        align-items: center;
        gap: 3px;
    }

    .evento-meta i {
        font-size: 0.6rem;
        color: var(--color-primary);
    }

    /* === LISTA DE EVENTOS - GRID 4 COLUMNAS === */
    .eventos-lista-section {
        padding: 24px 0 40px;
    }

    .resultados-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .resultados-count {
        font-size: 0.75rem;
        color: var(--color-text-light);
    }

    .eventos-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    /* === TARJETA DE EVENTO === */
    .evento-card {
        background: var(--color-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }

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

    .evento-link {
        text-decoration: none;
        color: inherit;
        display: block;
    }

    .evento-imagen {
        position: relative;
        height: 90px;
        overflow: hidden;
    }

    .evento-imagen img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }

    .evento-card:hover .evento-imagen img {
        transform: scale(1.05);
    }

    /* === BADGES === */
    .evento-badges {
        position: absolute;
        top: 6px;
        left: 6px;
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
    }

    .badge {
        padding: 2px 6px;
        border-radius: var(--radius-sm);
        font-size: 0.6rem;
        font-weight: 600;
    }

    .badge-gratis {
        background: var(--color-success);
        color: var(--color-white);
    }

    .badge-en-curso {
        background: var(--color-danger);
        color: var(--color-white);
    }

    .badge-modalidad {
        background: var(--color-primary);
        color: var(--color-white);
    }

    /* === CONTENIDO DE TARJETA === */
    .evento-content {
        padding: 10px;
        display: flex;
        gap: 10px;
    }

    /* ⭐⭐⭐ FECHA CORREGIDA - CUADRADITO COMPACTO ⭐⭐⭐ */
    .evento-fecha {
        background: var(--color-bg);
        border-radius: var(--radius-sm);
        padding: 4px 6px;
        text-align: center;
        min-width: 42px;
        max-width: 42px;
        height: 42px;
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .fecha-dia {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1;
    }

    .fecha-mes {
        font-size: 0.58rem;
        color: var(--color-text-light);
        text-transform: uppercase;
        margin-top: 1px;
        line-height: 1;
    }

    .evento-info {
        flex: 1;
        min-width: 0;
    }

    .evento-tipo {
        display: inline-block;
        font-size: 0.6rem;
        color: var(--color-primary);
        font-weight: 600;
        text-transform: uppercase;
        margin-bottom: 3px;
    }

    .evento-titulo {
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 4px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .evento-info .evento-descripcion-corta {
        font-size: 0.68rem;
        color: var(--color-text-light);
        line-height: 1.4;
        margin-bottom: 6px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* === DETALLES DEL EVENTO === */
    .evento-detalles {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 6px;
    }

    .detalle-item {
        display: flex;
        align-items: center;
        gap: 3px;
        font-size: 0.62rem;
        color: var(--color-text-light);
    }

    .detalle-item i {
        font-size: 0.58rem;
        color: var(--color-secondary);
    }

    /* === CRONÓMETRO === */
    .countdown-timer {
        background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
        border-radius: var(--radius-sm);
        padding: 6px 8px;
        margin-bottom: 6px;
    }

    .countdown-timer.urgent {
        background: linear-gradient(135deg, #fef2f2, #fee2e2);
    }

    .countdown-display {
        font-size: 0.65rem;
        color: var(--color-text);
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .countdown-display i {
        color: var(--color-primary);
        font-size: 0.7rem;
    }

    .countdown-timer.urgent .countdown-display i {
        color: var(--color-danger);
    }

    .time-unit {
        display: inline-flex;
        align-items: baseline;
        gap: 1px;
    }

    .time-value {
        font-weight: 700;
        color: var(--color-primary);
        font-size: 0.72rem;
    }

    .countdown-timer.urgent .time-value {
        color: var(--color-danger);
    }

    .time-label {
        font-size: 0.55rem;
        color: var(--color-text-light);
    }

    /* === FOOTER DE TARJETA === */
    .evento-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 6px;
        border-top: 1px solid var(--color-border);
        gap: 6px;
        flex-wrap: wrap;
    }

    .evento-organizador,
    .evento-cupos {
        display: flex;
        align-items: center;
        gap: 4px;
        font-size: 0.6rem;
        color: var(--color-text-light);
    }

    .evento-organizador i,
    .evento-cupos i {
        font-size: 0.65rem;
        color: var(--color-secondary);
    }

    /* === PAGINACIÓN === */
    .paginacion {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        margin-top: 24px;
        flex-wrap: wrap;
    }

    .btn-paginacion {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        color: var(--color-text);
        text-decoration: none;
        transition: var(--transition);
        font-size: 0.75rem;
    }

    .btn-paginacion:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }

    .paginacion-info {
        font-size: 0.75rem;
        color: var(--color-text-light);
        padding: 0 8px;
    }

    /* === NO RESULTADOS === */
    .no-resultados {
        text-align: center;
        padding: 48px 16px;
        background: var(--color-white);
        border-radius: var(--radius-lg);
    }

    .no-resultados i {
        font-size: 2.5rem;
        color: var(--color-border);
        margin-bottom: 12px;
    }

    .no-resultados h3 {
        font-size: 1rem;
        color: var(--color-text);
        margin-bottom: 6px;
    }

    .no-resultados p {
        font-size: 0.8rem;
        color: var(--color-text-light);
        margin-bottom: 16px;
    }

    .btn {
        display: inline-block;
        padding: 8px 16px;
        font-weight: 500;
        text-decoration: none;
        border-radius: var(--radius-md);
        transition: var(--transition);
        cursor: pointer;
        border: none;
    }

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

    .btn-primary:hover {
        background: var(--color-primary-hover);
    }

    /* === TEXTO AUXILIAR === */
    .text-muted {
        color: var(--color-text-light);
        font-style: italic;
    }

    /* ⭐⭐⭐ ESTILOS PARA DESCRIPCIÓN CORTA ⭐⭐⭐ */
    .evento-descripcion-corta {
        font-size: 0.875rem;
        color: #6b7280;
        line-height: 1.5;
        margin: 0.5rem 0 0.75rem 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Para eventos destacados */
    .evento-destacado-info .evento-descripcion-corta {
        margin: 0.5rem 0 1rem 0;
        font-size: 0.9375rem;
        color: #4b5563;
        line-height: 1.6;
    }

    /* Ajustes para que el layout se vea bien */
    .evento-titulo {
        margin-bottom: 0.25rem !important;
    }

    .evento-detalles {
        margin-top: 0.75rem;
    }

    /* ============================================
    RESPONSIVE - TABLETS (3 columnas)
    ============================================ */
    @media (max-width: 1024px) {
        .eventos-grid,
        .eventos-destacados {
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }

        .container {
            padding: 0 10px;
        }

        .hero-title {
            font-size: 1.3rem;
        }
    }

    /* ============================================
    RESPONSIVE - TABLETS PEQUEÑAS (2 columnas)
    ============================================ */
    @media (max-width: 768px) {
        .eventos-grid,
        .eventos-destacados {
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
        }

        .eventos-hero {
            padding: 24px 12px;
        }

        .hero-title {
            font-size: 1.2rem;
        }

        .hero-subtitle {
            font-size: 0.78rem;
        }

        .filtros-section {
            padding: 12px 0;
        }

        .filtros-grid {
            gap: 6px;
        }

        .filtro-select {
            font-size: 0.7rem;
            padding: 5px 8px;
            min-width: 100px;
        }

        .section-title {
            font-size: 1rem;
        }

        .evento-imagen,
        .evento-destacado-imagen {
            height: 80px;
        }

        .evento-titulo {
            font-size: 0.72rem;
        }

        .evento-info .evento-descripcion-corta,
        .evento-destacado-info .evento-descripcion-corta {
            font-size: 0.65rem;
        }

        .countdown-timer {
            padding: 5px 6px;
        }

        .countdown-display {
            font-size: 0.6rem;
        }

        .time-value {
            font-size: 0.68rem;
        }

        /* ⭐ Ajuste fecha responsive tablet */
        .evento-fecha {
            min-width: 40px;
            max-width: 40px;
            height: 40px;
            padding: 3px 5px;
        }

        .fecha-dia {
            font-size: 1rem;
        }

        .fecha-mes {
            font-size: 0.55rem;
        }
    }

    /* ============================================
    RESPONSIVE - MÓVIL (2 columnas compactas)
    ============================================ */
    @media (max-width: 576px) {
        .container {
            padding: 0 8px;
        }

        .eventos-grid,
        .eventos-destacados {
            grid-template-columns: repeat(2, 1fr);
            gap: 6px;
        }

        .eventos-hero {
            padding: 20px 10px;
        }

        .hero-title {
            font-size: 1.1rem;
        }

        .hero-subtitle {
            font-size: 0.72rem;
        }

        .filtros-section {
            padding: 10px 0;
        }

        .busqueda-principal {
            max-width: 100%;
        }

        .search-input {
            font-size: 0.75rem;
            padding: 7px 10px;
        }

        .btn-search {
            padding: 7px 12px;
            font-size: 0.75rem;
        }

        .filtros-grid {
            gap: 5px;
        }

        .filtro-select {
            font-size: 0.68rem;
            padding: 5px 6px;
            min-width: 90px;
            flex: 1 1 calc(50% - 5px);
        }

        .section-title {
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .destacados-section,
        .eventos-lista-section {
            padding: 16px 0;
        }

        /* Tarjetas más compactas en móvil */
        .evento-card,
        .evento-destacado-card {
            border-radius: var(--radius-sm);
        }

        .evento-imagen,
        .evento-destacado-imagen {
            height: 70px;
        }

        .badge {
            font-size: 0.55rem;
            padding: 2px 4px;
        }

        .badge-destacado {
            font-size: 0.55rem;
            padding: 2px 5px;
        }

        .evento-content {
            padding: 8px;
            gap: 6px;
        }

        .evento-destacado-info {
            padding: 8px;
        }

        /* ⭐ Fecha móvil - cuadradito compacto */
        .evento-fecha {
            min-width: 36px;
            max-width: 36px;
            height: 36px;
            padding: 3px 4px;
        }

        .fecha-dia {
            font-size: 0.95rem;
        }

        .fecha-mes {
            font-size: 0.52rem;
        }

        .evento-tipo {
            font-size: 0.55rem;
        }

        .evento-titulo {
            font-size: 0.68rem;
            margin-bottom: 3px;
        }

        .evento-destacado-info h3 {
            font-size: 0.7rem;
        }

        .evento-info .evento-descripcion-corta,
        .evento-destacado-info .evento-descripcion-corta {
            font-size: 0.6rem;
            -webkit-line-clamp: 1;
            line-clamp: 1;
            margin-bottom: 4px;
        }

        .evento-detalles {
            gap: 4px;
            margin-bottom: 4px;
        }

        .detalle-item {
            font-size: 0.58rem;
            gap: 2px;
        }

        .detalle-item i {
            font-size: 0.55rem;
        }

        .evento-meta span {
            font-size: 0.58rem;
        }

        .evento-meta i {
            font-size: 0.55rem;
        }

        .countdown-timer {
            padding: 4px 5px;
            margin-bottom: 4px;
        }

        .countdown-display {
            font-size: 0.55rem;
            gap: 4px;
        }

        .countdown-display i {
            font-size: 0.6rem;
        }

        .time-value {
            font-size: 0.62rem;
        }

        .time-label {
            font-size: 0.5rem;
        }

        .evento-footer {
            padding-top: 5px;
            gap: 4px;
        }

        .evento-organizador,
        .evento-cupos {
            font-size: 0.55rem;
            gap: 2px;
        }

        .evento-organizador i,
        .evento-cupos i {
            font-size: 0.58rem;
        }

        /* Paginación móvil */
        .paginacion {
            gap: 5px;
            margin-top: 16px;
        }

        .btn-paginacion {
            width: 28px;
            height: 28px;
            font-size: 0.68rem;
        }

        .paginacion-info {
            font-size: 0.68rem;
        }

        /* No resultados móvil */
        .no-resultados {
            padding: 32px 12px;
        }

        .no-resultados i {
            font-size: 2rem;
        }

        .no-resultados h3 {
            font-size: 0.9rem;
        }

        .no-resultados p {
            font-size: 0.75rem;
        }

        .btn {
            padding: 7px 14px;
            font-size: 0.75rem;
        }

        .resultados-header {
            margin-bottom: 10px;
        }

        .resultados-count {
            font-size: 0.68rem;
        }
    }

    /* ============================================
    RESPONSIVE - MÓVIL MUY PEQUEÑO
    ============================================ */
    @media (max-width: 380px) {
        .container {
            padding: 0 6px;
        }

        .eventos-grid,
        .eventos-destacados {
            gap: 5px;
        }

        .hero-title {
            font-size: 1rem;
        }

        .hero-subtitle {
            font-size: 0.68rem;
        }

        .filtro-select {
            font-size: 0.65rem;
            min-width: 85px;
        }

        .evento-imagen,
        .evento-destacado-imagen {
            height: 60px;
        }

        .evento-content {
            padding: 6px;
            gap: 5px;
        }

        /* ⭐ Fecha extra pequeña - mantiene cuadradito */
        .evento-fecha {
            min-width: 32px;
            max-width: 32px;
            height: 32px;
            padding: 2px 3px;
        }

        .fecha-dia {
            font-size: 0.85rem;
        }

        .fecha-mes {
            font-size: 0.48rem;
        }

        .evento-titulo {
            font-size: 0.65rem;
        }

        .evento-destacado-info h3 {
            font-size: 0.65rem;
        }

        .evento-info .evento-descripcion-corta {
            display: none;
        }

        .countdown-display {
            font-size: 0.52rem;
        }

        .time-value {
            font-size: 0.58rem;
        }
    }

    /* ============================================
    UTILIDADES
    ============================================ */
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    /* Forzar repintado en iOS */
    @supports (-webkit-touch-callout: none) {
        .eventos-grid,
        .eventos-destacados {
            -webkit-transform: translateZ(0);
            transform: translateZ(0);
        }
    }