:root {
    --catalog-sidebar-w: 280px;
}

/* ── Hero ── */
.catalogo-hero {
    margin-top: 80px;
    background: linear-gradient(135deg, rgba(13,71,161,.92) 0%, rgba(25,118,210,.85) 100%);
    min-height: 340px;
    display: flex;
    align-items: center;
}

.catalogo-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
}

.catalogo-hero .lead {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,.75);
}

/* ── Search box ── */
.catalogo-search-box {
    position: relative;
    max-width: 640px;
}

.catalogo-search-box .input-group {
    background: #fff;
    border-radius: 60px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0,0,0,.25);
}

.catalogo-search-box .input-group-text {
    border: 0;
    background: 0 0;
    color: #90a4ae;
    font-size: 1.2rem;
    padding-left: 1.2rem;
}

.catalogo-search-box .form-control {
    border: 0;
    padding: .75rem .5rem;
    font-size: 1.05rem;
    box-shadow: none;
}

.catalogo-search-box .form-control:focus {
    box-shadow: none;
}

.catalogo-search-box .btn-search {
    background: #2196F3;
    color: #fff;
    border: 0;
    padding: .75rem 1.8rem;
    font-weight: 600;
    border-radius: 0 60px 60px 0;
    transition: background .25s;
}

.catalogo-search-box .btn-search:hover {
    background: #1976D2;
}

/* ── Main layout ── */
.catalogo-main {
    background: linear-gradient(180deg, #1565C0 0%, #0D47A1 100%);
    min-height: 60vh;
}

.catalogo-wrapper {
    display: flex;
    gap: 2rem;
}

/* ── Sidebar ── */
.catalogo-sidebar {
    flex: 0 0 var(--catalog-sidebar-w);
    max-width: var(--catalog-sidebar-w);
    position: sticky;
    top: 100px;
    align-self: flex-start;
    height: auto;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.catalogo-sidebar-card {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.catalogo-sidebar-card h5 {
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.catalogo-sidebar-card h5 i {
    color: #2196F3;
}

/* Search inside sidebar */
.catalogo-sidebar-search {
    position: relative;
    margin-bottom: .5rem;
}

.catalogo-sidebar-search input {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    color: #fff;
    border-radius: 10px;
    padding: .55rem .9rem .55rem 2.3rem;
    font-size: .9rem;
    width: 100%;
    transition: all .25s;
}

.catalogo-sidebar-search input::placeholder {
    color: rgba(255,255,255,.4);
}

.catalogo-sidebar-search input:focus {
    background: rgba(255,255,255,.15);
    border-color: #2196F3;
    outline: 0;
    box-shadow: 0 0 0 3px rgba(33,150,243,.2);
}

.catalogo-sidebar-search i {
    position: absolute;
    left: .8rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,.4);
    font-size: .9rem;
}

/* ── Category list ── */
.categoria-filtro-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.categoria-filtro-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .55rem .75rem;
    border-radius: 10px;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    transition: all .2s;
    font-size: .9rem;
    cursor: pointer;
    border: 1px solid transparent;
}

.categoria-filtro-item:hover {
    background: rgba(33,150,243,.15);
    color: #fff;
    border-color: rgba(33,150,243,.25);
    text-decoration: none;
}

.categoria-filtro-item.active {
    background: rgba(33,150,243,.2);
    color: #fff;
    border-color: #2196F3;
    font-weight: 600;
}

.categoria-filtro-item .cat-icon {
    width: 22px;
    color: #2196F3;
    font-size: .85rem;
    flex-shrink: 0;
}

.categoria-filtro-item .cat-name {
    flex: 1;
    margin: 0 .6rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.categoria-filtro-item .cat-count {
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.6);
    font-size: .75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    flex-shrink: 0;
}

.categoria-filtro-item.active .cat-count {
    background: #2196F3;
    color: #fff;
}

/* Clear filters */
.btn-clear-filters {
    display: block;
    width: 100%;
    text-align: center;
    padding: .5rem;
    border-radius: 10px;
    border: 1px dashed rgba(255,255,255,.2);
    color: rgba(255,255,255,.5);
    font-size: .85rem;
    transition: all .25s;
    background: 0 0;
    margin-top: .5rem;
}

.btn-clear-filters:hover {
    border-color: #ef5350;
    color: #ef5350;
    background: rgba(239,83,80,.1);
    text-decoration: none;
}

/* ── Toolbar ── */
.catalogo-toolbar {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 14px;
    padding: .85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.5rem;
}

.catalogo-toolbar .result-count {
    color: rgba(255,255,255,.7);
    font-size: .9rem;
}

.catalogo-toolbar .result-count strong {
    color: #fff;
}

.catalogo-toolbar .active-filters {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(33,150,243,.2);
    border: 1px solid rgba(33,150,243,.35);
    color: #fff;
    padding: .25rem .75rem;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 500;
}

.active-filter-tag .remove-filter {
    color: rgba(255,255,255,.5);
    cursor: pointer;
    transition: color .2s;
    font-size: .75rem;
    border: 0;
    background: 0 0;
    padding: 0;
}

.active-filter-tag .remove-filter:hover {
    color: #ef5350;
}

.catalogo-sort-select {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    color: #fff;
    padding: .45rem 1rem .45rem .75rem;
    border-radius: 10px;
    font-size: .85rem;
    cursor: pointer;
    transition: all .25s;
    appearance: auto;
}

.catalogo-sort-select:focus {
    border-color: #2196F3;
    outline: 0;
    box-shadow: 0 0 0 3px rgba(33,150,243,.2);
}

.catalogo-sort-select option {
    background: #1a237e;
    color: #fff;
}

/* ── Sidebar toggle (mobile) ── */
.catalogo-sidebar-toggle {
    display: none;
    width: 100%;
    background: rgba(33,150,243,.15);
    border: 1px solid rgba(33,150,243,.3);
    color: #fff;
    padding: .7rem 1rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: 1rem;
    transition: all .25s;
}

.catalogo-sidebar-toggle:hover {
    background: rgba(33,150,243,.25);
}

.catalogo-sidebar-overlay {
    display: none;
}

/* ── Info adicional sidebar ── */
.sidebar-info-item {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    padding: .55rem 0;
    color: rgba(255,255,255,.65);
    font-size: .85rem;
    border-bottom: 1px solid rgba(255,255,255,.05);
}

.sidebar-info-item:last-child {
    border-bottom: 0;
}

.sidebar-info-item i {
    color: #2196F3;
    font-size: 1rem;
    margin-top: 2px;
    width: 18px;
    text-align: center;
}

/* ── Product grid ── */
.catalogo-grid {
    flex: 1;
    min-width: 0;
}

/* ── Empty state ── */
.catalogo-empty {
    text-align: center;
    padding: 4rem 1rem;
}

.catalogo-empty i {
    font-size: 5rem;
    color: rgba(255,255,255,.15);
    margin-bottom: 1.5rem;
}

.catalogo-empty h3 {
    color: #fff;
    font-weight: 700;
    margin-bottom: .75rem;
}

.catalogo-empty p {
    color: rgba(255,255,255,.5);
    font-size: 1.05rem;
    max-width: 480px;
    margin: 0 auto 1.5rem;
}

.catalogo-empty .suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    justify-content: center;
    margin-top: 1rem;
}

.catalogo-empty .suggestions a {
    background: rgba(33,150,243,.12);
    border: 1px solid rgba(33,150,243,.25);
    color: #90caf9;
    padding: .4rem 1rem;
    border-radius: 20px;
    font-size: .85rem;
    text-decoration: none;
    transition: all .2s;
}

.catalogo-empty .suggestions a:hover {
    background: rgba(33,150,243,.25);
    color: #fff;
}

/* ── Responsive ── */
@media (max-width: 1199px) {
    :root {
        --catalog-sidebar-w: 250px;
    }
}

@media (max-width: 991px) {
    .catalogo-wrapper {
        flex-direction: column;
    }

    .catalogo-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
    }

    .catalogo-sidebar {
        flex: none;
        max-width: 100%;
        position: static;
        max-height: none;
        overflow: visible;
        display: none;
    }

    .catalogo-sidebar.show {
        display: block;
        animation: slideDown .3s ease;
    }

    .catalogo-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.5);
        z-index: 99;
    }

    .catalogo-sidebar-overlay.show {
        display: block;
    }

    .catalogo-toolbar {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .catalogo-toolbar .d-flex {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .catalogo-hero {
        min-height: 280px;
    }

    .catalogo-search-box .btn-search span {
        display: none;
    }

    .catalogo-search-box .btn-search i {
        margin: 0;
    }

    .catalogo-search-box .btn-search {
        padding: .75rem 1.2rem;
    }
}

@media (max-width: 575px) {
    .catalogo-hero {
        min-height: 240px;
        margin-top: 60px;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}