/*
 * Public catalog pages — e-learning & bootcamp listings.
 * Consumes --public-* tokens from public-theme.css.
 */

.catalog-page {
    width: 100%;
    padding-block: 2rem 3rem;
    background: var(--public-surface-alt);
    font-family: var(--public-font-family);
    color: var(--public-text-primary);
}

@media (min-width: 1024px) {
    .catalog-page {
        padding-block: 2.5rem 4rem;
    }
}

.catalog-page__container {
    width: 100%;
    max-width: var(--public-container-max);
    margin-inline: auto;
    padding-inline: var(--public-gutter-page);
}

/* Header area */
.catalog-page__header {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--public-outline-variant);
}

.catalog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--public-text-sm);
    color: var(--public-text-secondary);
}

.catalog-breadcrumb__link {
    color: var(--public-text-secondary);
    text-decoration: none;
}

.catalog-breadcrumb__link:hover {
    color: var(--public-primary-interactive);
}

.catalog-breadcrumb__current {
    color: var(--public-primary-interactive);
    font-weight: 700;
}

.catalog-page__title-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .catalog-page__title-row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.catalog-page__title {
    margin: 0;
    font-size: 1.875rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--public-text-primary);
}

.catalog-page__search-row {
    display: flex;
    align-items: stretch;
    width: 100%;
    border: 1px solid var(--public-outline-variant);
    border-radius: var(--public-radius);
    overflow: hidden;
    background: var(--public-surface);
}

@media (min-width: 768px) {
    .catalog-page__search-row {
        max-width: 22rem;
    }

    .catalog-page__title-row .catalog-page__search-row {
        flex-shrink: 0;
    }
}

.catalog-page__search-row .catalog-page__search-input {
    flex: 1 1 auto;
    min-width: 0;
}

.catalog-page__search-row .catalog-page__search-input .mud-input-control {
    margin: 0;
}

.catalog-page__search-row .catalog-page__search-input .mud-input-outlined-border {
    border: none !important;
    border-radius: 0 !important;
}

.catalog-page__search-row .catalog-page__search-input .mud-input-root {
    min-height: 2.5rem;
    background: transparent !important;
    font-size: var(--public-text-sm);
}

.catalog-page__search-row .catalog-page__search-input .mud-input-slot {
    padding-block: 0.375rem;
    font-size: var(--public-text-sm);
}

.catalog-page__search-row .catalog-page__search-input .mud-input-adornment-start .mud-icon-root {
    font-size: 1.125rem;
}

.catalog-page__search-row .catalog-page__search-button {
    flex-shrink: 0;
    min-height: 2.5rem;
    min-width: 4.75rem;
    padding-inline: 1rem;
    margin: 0;
    border-radius: 0 !important;
    font-size: var(--public-text-sm);
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    box-shadow: none !important;
}

/* Sidebar + grid */
.catalog-page__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (min-width: 768px) {
    .catalog-page__layout {
        grid-template-columns: 16rem minmax(0, 1fr);
        gap: 2rem;
    }
}

.catalog-page__content {
    min-width: 0;
}

.catalog-page__empty {
    padding: 3rem 1rem;
    border: 1px dashed var(--public-outline-variant);
    border-radius: var(--public-radius-md);
    background: var(--public-surface);
    text-align: center;
    color: var(--public-text-secondary);
}

.catalog-page__pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

/* MudGrid card stretch */
.catalog-page__grid.mud-grid {
    width: 100%;
    margin: 0;
}

.catalog-page__grid > .mud-grid-item {
    display: flex;
}

.catalog-page__grid > .mud-grid-item > * {
    width: 100%;
}

/* Filter sidebar (component root class) */
.catalog-sidebar {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--public-outline-variant);
    border-radius: var(--public-radius-md);
    background: var(--public-surface);
    box-shadow: var(--public-shadow-sm);
    position: sticky;
    top: calc(var(--public-header-height) + 1.5rem);
}

.catalog-sidebar__header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--public-outline-variant);
}

.catalog-sidebar__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--public-primary-interactive);
}

.catalog-sidebar__subtitle {
    margin: 0.25rem 0 0;
    font-size: var(--public-text-sm);
    color: var(--public-text-secondary);
}

.catalog-sidebar__categories {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.catalog-sidebar__category {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.625rem 0.75rem 0.625rem 1rem;
    border: none;
    border-radius: var(--public-radius);
    background: transparent;
    color: var(--public-on-surface-variant);
    font-family: inherit;
    font-size: var(--public-text-sm);
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background var(--public-transition), color var(--public-transition);
}

.catalog-sidebar__category:hover {
    background: var(--public-surface-alt);
}

.catalog-sidebar__category--active {
    padding-left: 0.75rem;
    border-left: 4px solid var(--public-primary-interactive);
    border-radius: 0 var(--public-radius) var(--public-radius) 0;
    background: var(--public-primary-fixed);
    color: var(--public-primary-interactive);
    font-weight: 700;
}

.catalog-sidebar__section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--public-outline-variant);
}

.catalog-sidebar__section-title {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--public-text-primary);
}

.catalog-sidebar__price-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.25rem;
    font-size: var(--public-text-xs);
    color: var(--public-text-secondary);
}