/* ===== BROWSE PAGE ===== */

.browse-page {
    padding: 1.5rem 0;
}

.browse-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

/* ===== FILTER SIDEBAR ===== */

.browse-filters {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + 0.75rem);
    max-height: calc(100vh - var(--header-height) - 2rem);
    overflow-y: auto;
    scrollbar-width: thin;
}

.filter-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
}

.filter-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.filter-reset {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background 0.15s;
}

.filter-reset:hover {
    background: var(--primary-light);
}

.filter-body {
    padding: 0.75rem 1rem;
}

.filter-block {
    margin-bottom: 0.9rem;
}

.filter-block:last-child {
    margin-bottom: 0;
}

.filter-block h4 {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.filter-block select,
.filter-block input {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    font-size: 0.88rem;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}

.filter-block select:focus,
.filter-block input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--surface);
}

.filter-block .range-row {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.range-row input {
    flex: 1;
    min-width: 0;
}

.range-row span {
    color: var(--text-muted);
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Active filter indicator */
.filter-block select:not([value=""]):not(:invalid),
.filter-block input:not([value=""]):not(:placeholder-shown) {
    border-color: var(--primary);
}

/* ===== RESULTS AREA ===== */

.browse-results {
    flex: 1;
    min-width: 0;
}

.browse-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.results-count {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

.results-count span {
    color: var(--text-muted);
    font-weight: 400;
}

.browse-sort {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.browse-sort label {
    font-size: 0.83rem;
    color: var(--text-muted);
    font-weight: 500;
}

.browse-sort select {
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    font-size: 0.83rem;
    color: var(--text);
    outline: none;
    cursor: pointer;
}

.browse-sort select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== PAGINATION ===== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.pagination button {
    min-width: 2.25rem;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}

.pagination button:hover:not(:disabled):not(.active) {
    background: var(--bg);
    border-color: var(--primary);
    color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    background: var(--bg);
}

.pagination button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 4px rgba(37,99,235,0.25);
}

/* ===== FILTER TOGGLE (MOBILE) ===== */

.filter-toggle {
    display: none;
    width: 100%;
    padding: 0.6rem 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.filter-toggle:active {
    transform: scale(0.98);
}

/* ===== MOBILE FILTER OVERLAY ===== */

@media (max-width: 768px) {
    .browse-layout {
        flex-direction: column;
    }

    .filter-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .browse-filters {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 300;
        width: 100%;
        background: var(--bg);
        display: none;
        overflow-y: auto;
        padding: 1rem;
    }

    .browse-filters.open {
        display: block;
    }

    .filter-panel {
        max-width: 100%;
    }

    .browse-header {
        flex-direction: column;
        align-items: flex-start;
    }
}