/**
 * Catálogo frontend de cursos — estilos standalone (sin dependencias).
 * Variables CSS en :root del componente para que el admin pueda pintar los CTA.
 */

.comgrap-lw-catalog {
    --cglw-radius: 14px;
    --cglw-radius-sm: 10px;
    --cglw-color-text: #1f2d3d;
    --cglw-color-muted: #6b7280;
    --cglw-color-border: #e5e7eb;
    --cglw-color-bg: #ffffff;
    --cglw-color-bg-alt: #f9fafb;
    --cglw-color-accent: #0f172a;
    --cglw-color-subscribe: #39b2e6;
    --cglw-color-enroll: #009de0;
    --cglw-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --cglw-shadow-md: 0 6px 20px rgba(15, 23, 42, 0.08);
    --cglw-shadow-lg: 0 14px 40px rgba(15, 23, 42, 0.12);
    --cglw-transition: 180ms cubic-bezier(0.2, 0.7, 0.3, 1);

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--cglw-color-text);
    line-height: 1.45;
    box-sizing: border-box;
}
.comgrap-lw-catalog *,
.comgrap-lw-catalog *::before,
.comgrap-lw-catalog *::after {
    box-sizing: border-box;
}

.comgrap-lw-catalog__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 1.25rem;
}

.comgrap-lw-catalog__layout {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 260px 1fr;
    align-items: flex-start;
}
@media (max-width: 880px) {
    .comgrap-lw-catalog__layout { grid-template-columns: 1fr; }
}

/* ======================== Sidebar / Filtros ======================== */

.comgrap-lw-catalog__sidebar {
    position: sticky;
    top: 1rem;
}

.comgrap-lw-catalog__filters {
    background: var(--cglw-color-bg);
    border: 1px solid var(--cglw-color-border);
    border-radius: var(--cglw-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    box-shadow: var(--cglw-shadow-sm);
}

.comgrap-lw-catalog__label {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--cglw-color-text);
}
.comgrap-lw-catalog__currency {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--cglw-color-muted);
    margin-left: auto;
}

.comgrap-lw-catalog__search input,
.comgrap-lw-catalog__select {
    width: 100%;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--cglw-color-border);
    border-radius: var(--cglw-radius-sm);
    background: var(--cglw-color-bg);
    font: inherit;
    color: inherit;
    transition: border-color var(--cglw-transition), box-shadow var(--cglw-transition);
}
.comgrap-lw-catalog__search input:focus,
.comgrap-lw-catalog__select:focus {
    outline: none;
    border-color: var(--cglw-color-enroll);
    box-shadow: 0 0 0 3px rgba(0, 157, 224, 0.12);
}

.comgrap-lw-catalog__checks {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    max-height: 260px;
    overflow-y: auto;
    padding-right: 0.3rem;
}
.comgrap-lw-catalog__check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.87rem;
    cursor: pointer;
    user-select: none;
    padding: 0.15rem 0;
}
.comgrap-lw-catalog__check input { accent-color: var(--cglw-color-enroll); }
.comgrap-lw-catalog__check-label { flex: 1; }
.comgrap-lw-catalog__check-count { color: var(--cglw-color-muted); font-size: 0.78rem; }

/* Dual range slider */
.comgrap-lw-catalog__price-values {
    display: flex;
    gap: 0.4rem;
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}
.comgrap-lw-catalog__price-sep { color: var(--cglw-color-muted); }

.comgrap-lw-catalog__range {
    position: relative;
    height: 32px;
}
.comgrap-lw-catalog__range input[type="range"] {
    position: absolute;
    left: 0; right: 0; top: 50%;
    transform: translateY(-50%);
    width: 100%;
    background: none;
    pointer-events: none;
    appearance: none;
    height: 2px;
    margin: 0;
}
.comgrap-lw-catalog__range input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--cglw-color-border);
    border-radius: 2px;
}
.comgrap-lw-catalog__range input[type="range"]::-moz-range-track {
    height: 4px;
    background: var(--cglw-color-border);
    border-radius: 2px;
}
.comgrap-lw-catalog__range input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    pointer-events: auto;
    width: 16px; height: 16px;
    background: var(--cglw-color-enroll);
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: var(--cglw-shadow-sm);
    cursor: pointer;
    margin-top: -6px;
}
.comgrap-lw-catalog__range input[type="range"]::-moz-range-thumb {
    pointer-events: auto;
    width: 16px; height: 16px;
    background: var(--cglw-color-enroll);
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: var(--cglw-shadow-sm);
    cursor: pointer;
}

.comgrap-lw-catalog__hint {
    margin: 0.4rem 0 0;
    font-size: 0.75rem;
    color: var(--cglw-color-muted);
}

.comgrap-lw-catalog__actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.25rem;
}
.comgrap-lw-catalog__btn {
    appearance: none;
    border: none;
    padding: 0.6rem 0.9rem;
    border-radius: var(--cglw-radius-sm);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--cglw-transition), box-shadow var(--cglw-transition), background var(--cglw-transition);
}
.comgrap-lw-catalog__btn--primary {
    background: var(--cglw-color-enroll);
    color: #fff;
}
.comgrap-lw-catalog__btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--cglw-shadow-md);
}
.comgrap-lw-catalog__btn--ghost {
    background: var(--cglw-color-bg-alt);
    color: var(--cglw-color-text);
    border: 1px solid var(--cglw-color-border);
}
.comgrap-lw-catalog__btn--ghost:hover {
    background: #f3f4f6;
}

/* ======================== Grid / Main ======================== */

.comgrap-lw-catalog__main {
    position: relative;
    min-height: 240px;
}
.comgrap-lw-catalog__results-meta {
    font-size: 0.88rem;
    color: var(--cglw-color-muted);
    margin-bottom: 0.9rem;
}
.comgrap-lw-catalog__results-meta span { font-weight: 700; color: var(--cglw-color-text); }

.comgrap-lw-catalog__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}
@media (max-width: 1100px) { .comgrap-lw-catalog__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .comgrap-lw-catalog__grid { grid-template-columns: 1fr; } }

.comgrap-lw-catalog__empty {
    grid-column: 1 / -1;
    padding: 3rem 1.5rem;
    background: var(--cglw-color-bg-alt);
    border: 1px dashed var(--cglw-color-border);
    border-radius: var(--cglw-radius);
    color: var(--cglw-color-muted);
    text-align: center;
    font-size: 0.95rem;
}

/* ======================== Card ======================== */

.comgrap-lw-catalog__card {
    background: var(--cglw-color-bg);
    border: 1px solid var(--cglw-color-border);
    border-radius: var(--cglw-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--cglw-transition), box-shadow var(--cglw-transition);
    box-shadow: var(--cglw-shadow-sm);
}
.comgrap-lw-catalog__card:hover {
    transform: translateY(-3px);
    box-shadow: var(--cglw-shadow-md);
}

.comgrap-lw-catalog__card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--cglw-color-bg-alt);
    overflow: hidden;
}
.comgrap-lw-catalog__card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 400ms ease;
}
.comgrap-lw-catalog__card:hover .comgrap-lw-catalog__card-media img {
    transform: scale(1.04);
}
.comgrap-lw-catalog__card-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #e5e7eb 0%, #f3f4f6 100%);
}
.comgrap-lw-catalog__card-category {
    position: absolute;
    top: 10px; left: 10px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--cglw-color-accent);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 0.28rem 0.55rem;
    border-radius: 6px;
    backdrop-filter: blur(4px);
    box-shadow: var(--cglw-shadow-sm);
}

.comgrap-lw-catalog__card-body {
    padding: 1rem 1.1rem 0.9rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.comgrap-lw-catalog__card-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    color: var(--cglw-color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comgrap-lw-catalog__card-desc {
    color: var(--cglw-color-muted);
    font-size: 0.85rem;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comgrap-lw-catalog__card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.4rem;
    font-size: 0.85rem;
}
.comgrap-lw-catalog__card-students {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--cglw-color-muted);
}
.comgrap-lw-catalog__card-price {
    font-weight: 700;
    color: var(--cglw-color-text);
}
.comgrap-lw-catalog__card-price.is-free {
    color: #059669;
}
.comgrap-lw-catalog__card-currency {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--cglw-color-muted);
    margin-left: 2px;
}

.comgrap-lw-catalog__card-footer {
    padding: 0 1.1rem 1.1rem;
}
.comgrap-lw-catalog__card-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.7rem 1rem;
    border-radius: var(--cglw-radius-sm);
    border: none;
    font: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--cglw-transition), box-shadow var(--cglw-transition), background var(--cglw-transition), opacity var(--cglw-transition);
    position: relative;
    overflow: hidden;
}
.comgrap-lw-catalog__card-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--cglw-shadow-md);
}
.comgrap-lw-catalog__card-btn:active { transform: translateY(0); }

.comgrap-lw-catalog__card-btn.is-subscribe {
    background: var(--cglw-color-subscribe);
    color: #fff;
}
.comgrap-lw-catalog__card-btn.is-enroll {
    background: var(--cglw-color-enroll);
    color: #fff;
}
.comgrap-lw-catalog__card-btn.is-enrolled {
    background: #e5f6f0;
    color: #059669;
    cursor: default;
}
.comgrap-lw-catalog__card-btn.is-enrolled:hover { transform: none; box-shadow: none; }
.comgrap-lw-catalog__card-btn.is-disabled,
.comgrap-lw-catalog__card-btn:disabled {
    background: #e5e7eb;
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.85;
}
.comgrap-lw-catalog__card-btn.is-disabled:hover,
.comgrap-lw-catalog__card-btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Estado "loading" del botón */
.comgrap-lw-catalog__card-btn.is-loading {
    color: transparent !important;
    pointer-events: none;
}
.comgrap-lw-catalog__card-btn.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    width: 18px; height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: cglw-spin 600ms linear infinite;
}
@keyframes cglw-spin { to { transform: rotate(360deg); } }

/* ======================== Paginación ======================== */

.comgrap-lw-catalog__pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
    margin-top: 1.8rem;
}
.comgrap-lw-catalog__page {
    min-width: 38px;
    padding: 0.4rem 0.7rem;
    background: var(--cglw-color-bg);
    border: 1px solid var(--cglw-color-border);
    border-radius: 8px;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background var(--cglw-transition), border-color var(--cglw-transition);
}
.comgrap-lw-catalog__page:hover { background: var(--cglw-color-bg-alt); }
.comgrap-lw-catalog__page.is-active {
    background: var(--cglw-color-enroll);
    border-color: var(--cglw-color-enroll);
    color: #fff;
    font-weight: 700;
}

/* ======================== Overlay loading / Toast ======================== */

/* El atributo [hidden] debe ganarle a display:flex — si no, el overlay
   tapa los cursos permanentemente. Aplica a loading, pagination y toast. */
.comgrap-lw-catalog [hidden] {
    display: none !important;
}

.comgrap-lw-catalog__loading {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    z-index: 5;
    border-radius: var(--cglw-radius);
    color: var(--cglw-color-muted);
    font-size: 0.9rem;
}
.comgrap-lw-catalog__spinner {
    width: 22px; height: 22px;
    border: 3px solid rgba(0, 157, 224, 0.2);
    border-top-color: var(--cglw-color-enroll);
    border-radius: 50%;
    animation: cglw-spin 700ms linear infinite;
}

.comgrap-lw-catalog__toast {
    position: fixed;
    bottom: 22px;
    right: 22px;
    min-width: 240px;
    max-width: 360px;
    padding: 0.8rem 1rem;
    background: #0f172a;
    color: #fff;
    border-radius: var(--cglw-radius-sm);
    box-shadow: var(--cglw-shadow-lg);
    font-size: 0.9rem;
    z-index: 9999;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 200ms ease, transform 200ms ease;
}
.comgrap-lw-catalog__toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.comgrap-lw-catalog__toast.is-success { background: #059669; }
.comgrap-lw-catalog__toast.is-error   { background: #dc2626; }