:root {
    --modal-primary: #254286;
    --modal-primary-hover: #1d3369;
    --modal-text-dark: #22376d;
    --modal-text-body: #4a5568;
    --modal-text-muted: #64748b;
    --modal-bg-light: #ffffff;
    --modal-border: #e2e8f0;
    --modal-radius: 8px;
}

body:has(dialog[open]) {
    overflow: hidden;
}

/* Modal Nativo Centrado */
.custom-modal-dialog {
    border: none;
    padding: 0;
    border-radius: var(--modal-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 720px;
    height: auto;
    max-height: 90vh;
    background: #ffffff;
    overflow: hidden;
    position: fixed;
    inset: 0;
    margin: auto;
}

    .custom-modal-dialog::backdrop {
        background: rgba(15, 23, 42, 0.5);
        backdrop-filter: blur(2px);
    }

    .custom-modal-dialog[open] {
        animation: modalScaleIn 0.2s ease-out;
    }

@keyframes modalScaleIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-card {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

/* Header Centrado */
.modal-card-header {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: #ffffff;
    position: relative;
}

.modal-title {
    margin: 0 auto;
    font-size: 1.25rem;
    font-weight: 500;
    color: #0076ce;
}

.btn-close-modal {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #888;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 10px;
}

/* Cuerpo con Grid Estricto */
.modal-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 0 24px 24px 24px !important;
    overflow-y: auto !important;
    overscroll-behavior: contain;
}

/* Banner / Video - Marco Rígido e Inmutable */
.modal-media-container {
    width: 100% !important;
    aspect-ratio: 16 / 9 !important;
    max-height: 380px !important;
    background-color: #000000;
    border-radius: 8px;
    overflow: hidden !important;
    position: relative !important;
    flex-shrink: 0 !important;
}

    .modal-media-container *,
    .modal-media-container #divVideo,
    .modal-media-container .youtube-player {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .modal-media-container img,
    .modal-media-container iframe {
        width: 100% !important;
        height: 100% !important;
        object-fit: fill !important;
        object-position: center !important;
        border: none !important;
    }

/* Grid Inferior de 2 Columnas */
.popup-content-grid {
    display: grid !important;
    grid-template-columns: 1fr 220px !important;
    gap: 24px !important;
    align-items: start;
}

/* ============================================================ */
/* SECCIÓN MODIFICADA (REEMPLAZA DESDE AQUÍ)                     */
/* ============================================================ */

/* Columna Izquierda: Textos */
.modal-main-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.course-title {
    font-size: 1.35rem !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    line-height: 1.3 !important;
}

.course-subtitle {
    font-size: 0.95rem !important;
    color: #334155 !important;
    font-weight: 600 !important;
    margin-bottom: 8px !important;
    display: block !important;
}

.course-description {
    font-size: 0.875rem !important;
    color: #64748b !important;
    line-height: 1.6 !important;
    display: block !important;
}

/* Columna Derecha: Tarjeta Lateral y Checkout */
.modal-sidebar {
    display: flex;
    flex-direction: column;
}

.sidebar-checkout-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.sidebar-card-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Precios y Badges */
.price-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.badges-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.badge-pill {
    font-size: 0.725rem !important;
    font-weight: 700 !important;
    padding: 3px 8px !important;
    border-radius: 20px !important;
    text-transform: uppercase;
}

.badge-new {
    background-color: #e0f2fe;
    color: #0369a1 !important;
}

.badge-discount {
    background-color: #fee2e2;
    color: #dc2626 !important;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-primary {
    font-size: 1.4rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
}

.price-strikethrough {
    font-size: 0.9rem !important;
    color: #94a3b8 !important;
    text-decoration: line-through !important;
}

/* Botón Comprar */
.btn-buy-wrapper {
    width: 100%;
}

    .btn-buy-wrapper .btn-checkout {
        border-radius: 8px !important;
        font-weight: 600 !important;
        box-shadow: 0 2px 4px rgba(37, 66, 134, 0.2);
        transition: all 0.2s ease;
    }

/* Métricas Estilizadas */
.metrics-vertical-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 6px;
    font-size: 0.825rem !important;
    color: #475569 !important;
}

    .metric-item img {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
        opacity: 0.8;
    }

/* Enlace Inferior */
.more-info-wrapper {
    text-align: center;
    padding-top: 4px;
}

.link-more-info {
    font-size: 0.825rem !important;
    color: #254286 !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

    .link-more-info:hover {
        color: #1d3369 !important;
        text-decoration: underline !important;
    }

/* Adaptación Móvil */
@media (max-width: 650px) {
    .popup-content-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
}