/* ==========================================================================
   Catalog — property list and development list
   ========================================================================== */

.catalog__intro {
    max-inline-size: 46rem;
    margin-block-end: var(--space-10);
}

.catalog__title {
    margin-block-start: var(--space-4);
    font-size: var(--font-size-4xl);
}

.catalog__lead {
    max-inline-size: 52ch;
    margin-block-start: var(--space-5);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Filters
   Mobile: the panel is a full-screen drawer. Desktop: it sits inline above the
   results. Both are the same <form>, so the values are identical either way.
   -------------------------------------------------------------------------- */

.catalog-filters__bar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3);
    align-items: end;
}

/* Groups the controls without boxing them in: a tinted band reads as a tool
   area, where a bordered card would read as content (DESIGN.md 4). */
.catalog-filters {
    padding: var(--space-5);
    background-color: var(--color-surface-sunken);
    border-radius: var(--radius-md);
}

@media (min-width: 1024px) {
    .catalog-filters {
        padding: var(--space-6) var(--space-8);
    }
}

.catalog-filters__search {
    grid-column: 1 / -1;
}

/* The sort control is only meaningful once results exist; on mobile it sits
   beside the filter trigger rather than stealing a whole row. */
.catalog-filters__sort {
    grid-column: 1 / 2;
}

.catalog-filters__trigger {
    position: relative;
    grid-column: 2 / 3;
    white-space: nowrap;
}

.catalog-filters__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 20px;
    block-size: 20px;
    margin-inline-start: var(--space-2);
    padding-inline: var(--space-1);
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    color: var(--color-text-on-accent);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.catalog-filters__panel-header {
    display: none;
}

.catalog-filters__groups {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.catalog-filters__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.catalog-filters__more {
    padding-block-start: var(--space-5);
    border-block-start: var(--border-width) solid var(--color-border);
}

.catalog-filters__more-summary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    /* A summary is a button in disguise; give it the same target height. */
    min-block-size: 40px;
    color: var(--color-accent-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    list-style: none;
}

.catalog-filters__more-summary::-webkit-details-marker {
    display: none;
}

/* A chevron that turns with the disclosure, in place of the default marker. */
.catalog-filters__more-summary::after {
    content: "";
    inline-size: 9px;
    block-size: 9px;
    border-inline-end: 1.5px solid currentColor;
    border-block-end: 1.5px solid currentColor;
    transform: rotate(45deg) translate(-2px, -2px);
    transition: transform var(--transition-fast);
}

.catalog-filters__more[open] .catalog-filters__more-summary::after {
    transform: rotate(-135deg) translate(-3px, -3px);
}

.catalog-filters__more[open] .catalog-filters__more-summary {
    margin-block-end: var(--space-5);
}

.catalog-filters__more > *:not(summary) {
    margin-block-end: var(--space-6);
}

.catalog-filters__hint {
    margin-block-start: var(--space-2);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

.catalog-filters__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-5);
    margin-block-start: var(--space-6);
    padding-block-start: var(--space-5);
    border-block-start: var(--border-width) solid var(--color-border);
}

/* With JavaScript the results update as controls change, so the submit button
   is a confirmation rather than the mechanism. It stays — it is the entire
   interaction without scripting — but it does not need to shout. */
.js .catalog-filters__actions .button {
    font-size: var(--font-size-xs);
}

/* --- mobile drawer ------------------------------------------------------ */

@media (max-width: 1023px) {
    .catalog-filters {
        padding: 0;
        background-color: transparent;
    }

    .js .catalog-filters__panel {
        position: fixed;
        inset: 0;
        z-index: var(--z-drawer);
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: var(--container-gutter);
        background-color: var(--color-bg-primary);
        /* Closed. visibility keeps it out of the tab order. */
        visibility: hidden;
        opacity: 0;
        transform: translateY(1.5rem);
        transition: opacity var(--transition-base), transform var(--transition-base),
            visibility 0s linear var(--duration-base);
    }

    .js .catalog-filters--open .catalog-filters__panel {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        transition: opacity var(--transition-base), transform var(--transition-base),
            visibility 0s;
    }

    .js .catalog-filters__panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-block-end: var(--space-6);
        padding-block-end: var(--space-4);
        border-block-end: var(--border-subtle);
    }

    .catalog-filters__panel-title {
        font-size: var(--font-size-2xl);
    }

    .catalog-filters__close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        inline-size: 44px;
        block-size: 44px;
        font-size: var(--font-size-2xl);
        line-height: 1;
    }

    /* The actions stay reachable at the bottom of a long filter list. */
    .js .catalog-filters--open .catalog-filters__actions {
        position: sticky;
        inset-block-end: 0;
        margin-block-start: auto;
        padding-block: var(--space-4);
        background-color: var(--color-bg-primary);
    }
}

/* Without JavaScript the trigger cannot open anything, so it is not shown and
   the panel is simply part of the page. */
.catalog-filters__trigger {
    display: none;
}

.js .catalog-filters__trigger {
    display: inline-flex;
}

@media (min-width: 1024px) {
    .catalog-filters__bar {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
        gap: var(--space-5);
    }

    .catalog-filters__search {
        grid-column: 1 / 2;
    }

    .catalog-filters__sort {
        grid-column: 2 / 3;
    }

    .js .catalog-filters__trigger {
        display: none;
    }

    .catalog-filters__panel {
        margin-block-start: var(--space-6);
    }

    .catalog-filters__row {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4) var(--space-5);
    }
}

/* --------------------------------------------------------------------------
   Active filters
   -------------------------------------------------------------------------- */

.active-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3) var(--space-4);
    margin-block-start: var(--space-6);
}

.active-filters__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Deliberately quiet: a summary of state, not a row of buttons competing with
   the photography (DESIGN.md 4). */
.active-filters__chip {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-surface-sunken);
    border: var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
}

.active-filters__clear {
    color: var(--color-accent-text);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
}

/* --------------------------------------------------------------------------
   Results
   -------------------------------------------------------------------------- */

.catalog__results {
    margin-block-start: var(--space-10);
    transition: opacity var(--transition-base);
}

/* HTMX marks the target while a request is in flight. The results stay
   readable — dimmed, not replaced by a spinner (DESIGN.md 32). */
.catalog__results.htmx-request {
    opacity: 0.45;
}

.catalog__summary {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    padding-block-end: var(--space-5);
    margin-block-end: var(--space-8);
    border-block-end: var(--border-subtle);
}

.catalog__count {
    font-size: var(--font-size-sm);
}

.catalog__count strong {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-regular);
}

.catalog__page-position {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */

.catalog-empty {
    max-inline-size: 46ch;
    padding-block: var(--space-16);
}

.catalog-empty__title {
    font-size: var(--font-size-2xl);
}

.catalog-empty__text {
    margin-block: var(--space-4) var(--space-8);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-block-start: var(--section-spacing-sm);
    padding-block-start: var(--space-8);
    border-block-start: var(--border-subtle);
}

.pagination__pages {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagination__step,
.pagination__page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 44px;
    min-block-size: 44px;
    padding-inline: var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.pagination__step:hover,
.pagination__page:hover {
    background-color: var(--color-surface-sunken);
    color: var(--color-accent-text);
}

.pagination__page--current {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.pagination__step--disabled {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.pagination__gap {
    padding-inline: var(--space-2);
    color: var(--color-text-secondary);
}

/* Scroll lock while the mobile filter drawer is open. */
body.is-filters-open {
    overflow: hidden;
}