/* ==========================================================================
   Archive / Browse Page — Mobile-First Filter Bar
   ========================================================================== */

/* Filter Bar Container */
.filter-bar {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    border: 1px solid var(--color-border);
}

/* Top Row: toggle + count + sort */
.filter-bar-top {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 12px;
}

/* Filter Toggle Button (mobile only) */
.filter-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.filter-toggle-btn:hover {
    border-color: var(--color-text-secondary);
    background: var(--color-surface-hover);
}

.filter-toggle-btn[aria-expanded="true"] {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Badge on filter button */
.filter-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    line-height: 1;
}

/* Results Count */
.results-count {
    flex: 1;
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 400;
    white-space: nowrap;
    margin: 0;
}

/* Sort Form + Select */
.sort-form {
    flex-shrink: 0;
}

.sort-select {
    padding: 8px 28px 8px 10px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

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

.sort-select:hover {
    border-color: var(--color-text-secondary);
}

/* Filter Panel */
.filter-panel {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0 12px;
    border-top: 1px solid transparent;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease,
                padding 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s ease;
}

.filter-panel.active {
    max-height: 400px;
    opacity: 1;
    padding: 12px;
    border-top-color: var(--color-border);
}

.filter-panel-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Filter Field */
.filter-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-select {
    width: 100%;
    min-height: 44px;
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    padding: 0.625rem 2rem 0.625rem 0.75rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

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

.filter-select:hover {
    border-color: var(--color-text-secondary);
}

/* Filter Actions (Apply / Clear) */
.filter-actions {
    display: flex;
    gap: var(--space-sm);
    padding-top: var(--space-xs);
}

.filter-apply-btn {
    flex: 1;
}

.filter-clear-btn {
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.filter-clear-btn:hover {
    color: var(--color-text);
}

/* Active Filter Pills */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    text-decoration: none;
    line-height: 1;
    transition: all var(--transition-fast);
}

.filter-pill:hover {
    background: var(--color-primary);
    color: #fff;
}

/* Archive Grid */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: 60px;
    padding: var(--space-md) 0;
}

.pagination .page-link {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    background: transparent;
    transition: all var(--transition-fast);
}

.pagination .page-link:hover {
    background: var(--color-surface);
    color: var(--color-heading);
}

.pagination .page-link.active {
    background: var(--color-primary);
    color: #fff;
}

.pagination .page-link.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* ==========================================================================
   Desktop (>= 768px)
   ========================================================================== */
@media (min-width: 768px) {
    /* Single-row layout: filters + sort all inline */
    .filter-bar {
        display: flex;
        align-items: center;
        padding: 12px;
    }

    /* Hide the mobile-only elements */
    .filter-toggle-btn {
        display: none;
    }

    .filter-bar-top .results-count {
        display: none;
    }

    /* Top bar shrinks to just the sort */
    .filter-bar-top {
        padding: 0;
        order: 2;
        flex-shrink: 0;
        margin-left: auto;
    }

    /* Panel always visible on desktop, inline with sort */
    .filter-panel {
        display: contents;
        max-height: none;
        overflow: visible;
        opacity: 1;
        border-top: none;
        transition: none;
    }

    .filter-panel-form {
        flex-direction: row;
        align-items: flex-end;
        gap: var(--space-sm);
        flex: 1;
        min-width: 0;
    }

    .filter-field {
        flex: 1;
        min-width: 0;
    }

    /* Hide labels on desktop — selects are self-explanatory inline */
    .filter-label {
        display: none;
    }

    /* Hide apply/clear on desktop (auto-submit) */
    .filter-actions {
        display: none;
    }

    .archive-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .archive-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (min-width: 1280px) {
    .archive-grid {
        grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    }
}