/* ==========================================================================
   Filter Components — Design System
   Two patterns: Inline Filter Bar (Pattern 1) and Sidebar Filters (Pattern 2)
   See docs/ideas/filter-patterns.md for usage guide.
   ========================================================================== */

/* ==========================================================================
   PATTERN 1 — Inline Filter Bar
   Use for lists with ≤3 filter controls (pills, search, dropdowns).
   Pages: Insights, Prompts, Templates, Relationships
   ========================================================================== */
.list-filters {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ── Pills row ── */
.list-filters__pills {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
}

.list-filters__pills::-webkit-scrollbar {
    display: none;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    min-height: 44px;
    white-space: nowrap;
    text-decoration: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: var(--card-background);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.filter-pill:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: var(--accent-light);
}

.filter-pill--active {
    border-color: var(--accent);
    color: var(--text-inverse);
    background: var(--accent);
}

.filter-pill__count {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* ── Controls row (search + dropdowns) ── */
.list-filters__controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.list-filters__search {
    flex: 1;
    min-width: 180px;
}

/* ── Shared input / select ── */
.filter-input,
.filter-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--background);
    color: var(--text-color);
    min-height: 44px;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.filter-input::placeholder {
    color: var(--text-secondary);
}

/* Select: auto-width in inline bar, full-width in sidebar */
.list-filters__controls .filter-select {
    width: auto;
    min-width: 140px;
}

/* ── Active filter indicator ── */
.list-filters__clear {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
}

.list-filters__clear:hover {
    color: var(--primary);
}

/* ── Search result info ── */
.list-filters__result-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.list-filters__result-info a {
    margin-left: 8px;
    color: var(--primary);
}

/* ── Pattern 1 responsive ── */
@media (max-width: 599px) {
    .list-filters {
        padding: 0.75rem;
        margin-bottom: 1rem;
    }

    .list-filters__controls {
        flex-wrap: wrap;
    }

    .list-filters__search {
        min-width: 0;
        flex: 1 1 100%;
    }

    .list-filters__controls .filter-select {
        flex: 1;
        min-width: 0;
        width: auto;
        font-size: 0.85rem;
        padding: 0.5rem 0.5rem;
    }

    .list-filters__clear {
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   PATTERN 2 — Sidebar Filters
   Use for lists with 4+ filter controls or radio/checkbox groups.
   Pages: Entries
   ========================================================================== */

/* ── Layout ── */
.sidebar-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* ── Sidebar ── */
.filter-sidebar {
    background: var(--card-background);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    height: fit-content;
}

.filter-sidebar h2 {
    font-size: 1rem;
    margin-bottom: 15px;
}

.filter-section {
    margin-bottom: 20px;
}

.filter-section:last-of-type {
    margin-bottom: 0;
}

.filter-section__label,
.filter-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

/* ── Radio / checkbox groups ── */
.filter-radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    max-height: 200px;
    overflow-y: auto;
}

.filter-radio,
.checkbox-item {
    display: flex;
    align-items: center;
    padding: 6px 0;
    cursor: pointer;
    font-size: 0.9rem;
    min-height: 44px;
}

.filter-radio input,
.checkbox-item input {
    margin-right: 8px;
}

.filter-radio__count,
.checkbox-item .count {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* ── Sidebar actions ── */
.filter-actions {
    display: flex;
    gap: 8px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

/* ── Mobile toggle ── */
.sidebar-toggle {
    display: none;
    margin-bottom: 1rem;
}

/* ── Sidebar responsive ── */
@media (min-width: 900px) {
    .sidebar-layout {
        grid-template-columns: 250px 1fr;
    }

    .filter-sidebar {
        position: sticky;
        top: 80px;
    }
}

@media (max-width: 899px) {
    .sidebar-toggle {
        display: flex;
    }

    .filter-sidebar {
        display: none;
    }

    .filter-sidebar.show {
        display: block;
    }
}
}