.catalog-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid #263039;
    max-width: 1280px;
    margin: 0 auto;
}
.catalog-breadcrumb {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #7c8b93;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.catalog-breadcrumb a { color: #7c8b93; text-decoration: none; transition: 0.2s; }
.catalog-breadcrumb a:hover { color: #ffffff; }
.catalog-breadcrumb .current { color: #4F8FC4; }
.catalog-title { font-size: 2.25rem; font-weight: 600; margin: 0; }

.catalog-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .catalog-layout { flex-direction: row; }
}

.catalog-sidebar {
    width: 100%;
}
@media (min-width: 768px) {
    .catalog-sidebar { width: 16rem; flex-shrink: 0; }
}
.filter-group { margin-bottom: 1.5rem; }
.filter-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #7c8b93;
    margin-bottom: 0.75rem;
}
.filter-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    color: #dfe4e6;
    margin-bottom: 0.6rem;
    cursor: pointer;
    transition: 0.2s;
}
.filter-label:hover { color: #ffffff; }
.filter-label-inner { display: flex; align-items: center; gap: 0.5rem; }
.filter-count { color: #7c8b93; font-size: 0.75rem; }

.catalog-main { flex: 1; min-width: 0; }
.search-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
@media (min-width: 640px) {
    .search-form { flex-direction: row; }
}
.search-input-box {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #1b2329;
    border: 1px solid #3d4d57;
    padding: 0.75rem 1rem;
}
.search-input-box input {
    width: 100%;
    background: transparent;
    border: none;
    color: #dfe4e6;
    outline: none;
    font-size: 0.875rem;
}
.search-btn {
    background-color: #023D79;
    color: #ffffff;
    border: none;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.2s;
}
.search-btn:hover { filter: brightness(1.1); }

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}
@media (min-width: 640px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
}
.product-card {
    border: 1px solid #3d4d57;
    background-color: #212b32;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
}
.card-dot {
    position: absolute; width: 6px; height: 6px; background-color: #57707d; border-radius: 50%;
}
.c-tl { top: 6px; left: 6px; } .c-tr { top: 6px; right: 6px; }
.c-bl { bottom: 6px; left: 6px; } .c-br { bottom: 6px; right: 6px; }

.product-badges { display: flex; justify-content: space-between; align-items: center; }
.badge-type { background-color: #2d3a42; color: #aab8bf; padding: 2px 8px; font-size: 0.75rem; }
.badge-stock { color: #8f5a3a; font-size: 0.75rem; }

.product-image {
    height: 7rem;
    background-color: #161d22;
    border: 1px dashed #3d4d57;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-image img { max-height: 100%; object-fit: contain; }

.product-code { font-size: 0.75rem; color: #7c8b93; margin-bottom: 4px; }
.product-name { font-size: 0.875rem; font-weight: 500; line-height: 1.3; }
.product-meta { font-size: 0.75rem; color: #4F8FC4; margin-top: 4px; display: flex; gap: 8px; align-items: center; }

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #2d3a42;
    padding-top: 0.75rem;
    margin-top: auto;
}
.product-price { font-size: 1.125rem; font-weight: 600; font-family: 'Oswald', sans-serif; }
.details-btn {
    border: 1px solid #4F8FC4;
    color: #4F8FC4;
    text-decoration: none;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    transition: 0.2s;
}
.details-btn:hover { background-color: rgba(79,143,196,0.1); }