/* Estilos unificados para catálogos (cursos y temas) */
/* Variables CSS */
:root
{
    /* Colores para sistema premium */
    --color-locked-overlay: rgba(0, 0, 0, 0.6);
    /* Espaciado específico */ 
    --spacing-locked-icon-margin-bottom: 10px;
    --spacing-locked-btn-margin-top: 12px;
    /* Colores específicos */
    --color-badge-text: var(--color-white);
    --color-badge-shadow: rgba(0,0,0,0.2);
    /* Filters específicos */
    --filter-locked: grayscale(30%);
}

/* Catalog selection */
.catalog-selection
{
    background-color: var(--color-bg-main);
    width: 100%;
    max-width: 100%;
    padding: var(--spacing);
    overflow-x: hidden;
    position: relative;
}

/* Catalog header */
.catalog-header
{
    text-align: center;
    padding: 0 var(--spacing);
    width: 100%;
    margin-left: auto;
    gap: var(--gap-lg);
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Section title */
.catalog-header .section-title
{
    color: var(--color-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 5px;
    width: 100%;
    text-align: center;
    display: block !important;
}

/* Catalog counter */
.catalog-counter
{
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 500;
    border: none;
}

/* Search box wrapper */
.search-box-wrapper
{
    width: 90%;
    max-width: 500px;
    margin: var(--spacing-xl) auto 0;
}

/* Catalog search input */
.catalog-search-input
{
    flex: 1;
    border: none !important;
    outline: none;
    padding: 8px 0 !important;
    margin-left: 15px;
    background: transparent !important;
    color: var(--color-text-dark);
}

/* Catalog search input */
.catalog-search-input::placeholder
{
    color: var(--color-text-light);
    opacity: 0.7;
}

/* Catalog list */
.catalog-list
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
    gap: clamp(var(--spacing-md), 1vw, var(--spacing));
    width: 100%;
    margin: var(--spacing) auto var(--spacing);
    position: relative;
}

/* Catalog card */
.catalog-card
{
    background-color: var(--color-bg-main);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    width: 100%;
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    border: var(--border-width) solid var(--color-primary);
}

/* Catalog image */
.catalog-image
{
    width: 100%;
    padding-top: 64.81%;
    position: relative;
    overflow: hidden;
}

/* Catalog image */
.catalog-image img
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

/* Catalog image */
.catalog-card:hover .catalog-image img
{
    transform: scale(1.02);
}

/* Catalog card */
.catalog-card:hover
{
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Catalog card */
.catalog-card:focus-visible
{
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Catalog info */
.catalog-info
{
    padding: var(--spacing);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Catalog info */
.catalog-info h3
{
    margin: 0 0 5px 0;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* Catalog meta */
.catalog-meta i
{
    margin-right: var(--gap);
    color: var(--color-primary);
}

/* Catalog meta */
.catalog-meta
{
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    color: var(--color-primary);
    padding-top: 5px;
    font-weight: 500;
}

/* Catalog badges */
.catalog-badges
{
    position: absolute;
    top: var(--spacing);
    right: var(--spacing);
    display: flex;
    gap: var(--spacing);
    z-index: 2;
}

/* Catalog badge */
.catalog-badge
{
    gap: 6px;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px var(--color-badge-shadow);
    min-height: 32px;
    cursor: default;
}

/* Premium */
.catalog-badge.premium
{
    background-color: var(--color-premium);
    color: var(--color-badge-text);
}

/* Free */
.catalog-badge.free
{
    background-color: var(--color-free);
    color: var(--color-badge-text);
}

/* Catalog locked overlay */
.catalog-locked-overlay
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-locked-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3;
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: var(--border-radius);
}

/* Catalog locked overlay */
.catalog-card.locked:hover .catalog-locked-overlay
{
    opacity: 1;
}

/* Catalog locked overlay */
.catalog-locked-overlay i
{
    font-size: var(--font-size-4xl);
    color: var(--color-badge-text);
    margin-bottom: var(--spacing-locked-icon-margin-bottom);
}

/* Catalog locked overlay */
.catalog-locked-overlay span
{
    color: var(--color-badge-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    padding: 0 15px;
}

/* Btn ver planes */
.btn-ver-planes
{
    margin-top: var(--spacing-locked-btn-margin-top);
    padding: 12px 20px;
    background-color: var(--color-premium);
    color: var(--color-badge-text);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    min-height: 44px;
}

/* Btn ver planes */
.btn-ver-planes:hover
{
    background-color: var(--color-premium);
    transform: scale(1.05);
}

/* Locked */
.catalog-card.locked
{
    position: relative;
}

/* Catalog image */
.catalog-card.locked .catalog-image img
{
    filter: var(--filter-locked);
}

/* Catalog image */
.catalog-card.locked:hover .catalog-image img
{
    filter: var(--filter-locked);
    transform: none;
}

/* Locked */
.catalog-card.locked:hover
{
    transform: none;
    box-shadow: var(--shadow);
}

/* Responsive: landscape */
@media screen and (min-width: 48rem) and (max-width: 64rem) and (orientation: landscape)
{
    /* Catalog selection */
    .catalog-selection
    {
        padding: var(--spacing-xl);
    }

    /* Catalog header */
    .catalog-header
    {
        justify-content: center;
        gap: var(--gap-sm);
        padding: 0;
    }

    /* Section title */
    .catalog-header .section-title
    {
        margin-bottom: 0;
    }

    /* Catalog counter */
    .catalog-counter
    {
        margin-top: 0;
    }

    /* Search box wrapper */
    .search-box-wrapper
    {
        width: min(35rem, 100%);
        margin: var(--spacing-lg) auto 0;
    }

}

/* Responsive: tablet vertical */
@media screen and (min-width: 30rem) and (max-width: 48rem) and (orientation: portrait)
{
    /* Catalog selection */
    .catalog-selection
    {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    /* Catalog header */
    .catalog-header
    {
        gap: var(--gap-md);
    }

    /* Section title */
    .catalog-header .section-title
    {
        font-size: var(--font-size-2xl);
    }

    /* Search box wrapper */
    .search-box-wrapper
    {
        width: min(28rem, 100%);
        margin: var(--spacing-lg) auto 0;
    }

}

/* Responsive: móvil vertical */
@media screen and (max-width: 30rem) and (orientation: portrait)
{
    /* Catalog selection */
    .catalog-selection
    {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    /* Catalog header */
    .catalog-header
    {
        gap: var(--gap-sm);
        padding: 0;
    }

    /* Section title */
    .catalog-header .section-title
    {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 0;
    }

    /* Catalog counter */
    .catalog-counter
    {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Search box wrapper */
    .search-box-wrapper
    {
        width: min(20rem, calc(100% - 2 * var(--spacing-sm)));
        margin: var(--spacing-md) auto 0;
    }

    /* Search box */
    .search-box
    {
        padding: var(--spacing-sm);
        border-radius: var(--border-radius);
        justify-content: flex-start;
    }

    /* Catalog search input */
    .catalog-search-input
    {
        margin-left: var(--gap-sm);
        text-align: left;
    }

    /* Catalog meta */
    .catalog-meta
    {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--gap-sm);
    }

}