/*
Theme Name: SUNLU Filament Store
Theme URI: https://sunlu.pl
Author: SUNLU
Description: Custom filament store theme for SUNLU 3D printing filaments
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 8.0
Text Domain: sunlu-filament
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    --color-primary:     #3AABA8;
    --color-primary-hover: #2d8f8c;
    --color-bg:          #eaf4f4;
    --color-card:        #FFFFFF;
    --color-text:        #1e2428;
    --color-text-muted:  #7c7c7c;
    --color-border:      #d4dae0;
    --color-nav-bg:      #FFFFFF;
    --color-pill-bg:     #e9eff4;
    --color-badge-bg:    #eaf6f6;
    --color-badge-text:  #3AABA8;
    --color-accent:      #FB4A3E;
    --radius-card:       12px;
    --radius-pill:       999px;
    --shadow-card:       0 1px 4px rgba(0,0,0,.07), 0 2px 8px rgba(0,0,0,.04);
    --shadow-card-hover: 0 4px 16px rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.06);
    --sidebar-width:     300px;
    --nav-height:        64px;
    --font-base:         'Inter', system-ui, -apple-system, sans-serif;
    --transition:        .18s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-base);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ============================================================
   NAVIGATION BAR
   ============================================================ */
#site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-nav-bg);
    border-bottom: 1px solid var(--color-border);
    height: var(--nav-height);
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    gap: 16px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -.5px;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text .brand { font-weight: 700; font-size: 15px; color: var(--color-text); }
.logo-text .tagline { font-size: 10px; color: var(--color-text-muted); letter-spacing: .08em; text-transform: uppercase; }

/* Center nav */
.nav-center {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    background: var(--color-pill-bg);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
    border: 1px solid transparent;
}

.nav-btn:hover,
.nav-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.nav-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Right nav — cart */
.nav-right { display: flex; align-items: center; gap: 16px; }

.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-pill);
    background: var(--color-pill-bg);
    color: var(--color-text);
    transition: background var(--transition);
    text-decoration: none;
}

.cart-btn:hover { background: var(--color-border); }

.cart-btn svg { width: 20px; height: 20px; }

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    border: 2px solid #fff;
}

.cart-count:empty,
.cart-count[data-count="0"] { display: none; }

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.catalog-layout {
    display: flex;
    align-items: flex-start;
    max-width: 1600px;
    margin: 0 auto;
    padding: 24px 24px 48px;
    gap: 24px;
    min-height: calc(100vh - var(--nav-height));
}

/* ============================================================
   SIDEBAR
   ============================================================ */
#catalog-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    position: sticky;
    top: calc(var(--nav-height) + 16px);
    max-height: calc(100vh - var(--nav-height) - 32px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

#catalog-sidebar::-webkit-scrollbar { width: 4px; }
#catalog-sidebar::-webkit-scrollbar-track { background: transparent; }
#catalog-sidebar::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

/* Search */
.sidebar-search {
    position: relative;
    margin-bottom: 8px;
}

.sidebar-search input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-card);
    font-size: 14px;
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.sidebar-search input::placeholder { color: var(--color-text-muted); }

.sidebar-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 171, 168, .12);
}

.sidebar-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
    width: 16px;
    height: 16px;
}

/* Filter section */
.filter-section {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.filter-section:hover { box-shadow: var(--shadow-card); }

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    cursor: pointer;
    user-select: none;
    transition: background var(--transition);
}

.filter-header:hover { background: var(--color-bg); }

.filter-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.filter-chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.filter-section.collapsed .filter-chevron { transform: rotate(-90deg); }

.filter-body {
    padding: 0 16px 16px;
    display: block;
}

.filter-section.collapsed .filter-body { display: none; }

/* Material filter — 2 col grid */
.material-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.material-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    border: 1.5px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
    transition: border-color var(--transition), background var(--transition);
    gap: 4px;
}

.material-item:hover { border-color: var(--color-primary); background: var(--color-badge-bg); }

.material-item.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.material-item.active .count { background: rgba(255,255,255,.25); color: #fff; }

.material-item .label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.material-item .count {
    font-size: 10px;
    font-weight: 600;
    background: var(--color-pill-bg);
    color: var(--color-text-muted);
    border-radius: 10px;
    padding: 1px 6px;
    flex-shrink: 0;
}

/* Brand filter */
.brand-list { display: flex; flex-direction: column; gap: 4px; }

.brand-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: background var(--transition);
}

.brand-item:hover { background: var(--color-bg); }

.brand-item input[type="checkbox"] { display: none; }

.brand-item .check-box {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--color-border);
    border-radius: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition), background var(--transition);
}

.brand-item input:checked ~ .check-label .check-box,
.brand-item.active .check-box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.brand-item.active .check-box::after {
    content: '';
    width: 8px;
    height: 5px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translateY(-1px);
    display: block;
}

.brand-label-text { flex: 1; }

.brand-count {
    font-size: 10px;
    color: var(--color-text-muted);
    background: var(--color-pill-bg);
    border-radius: 10px;
    padding: 1px 6px;
}

/* Diameter filter — pill buttons */
.diameter-pills { display: flex; flex-wrap: wrap; gap: 8px; }

.diameter-pill {
    padding: 7px 16px;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--color-border);
    background: var(--color-card);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.diameter-pill:hover { border-color: var(--color-primary); background: var(--color-badge-bg); }

.diameter-pill.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

/* Price range */
.price-range-wrap { padding-top: 4px; }

.price-range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.price-range-labels span { font-weight: 600; color: var(--color-text); }

.price-slider-container { position: relative; height: 20px; display: flex; align-items: center; }

.price-slider-track {
    position: absolute;
    left: 0; right: 0;
    height: 4px;
    background: var(--color-border);
    border-radius: 4px;
}

.price-slider-fill {
    position: absolute;
    height: 4px;
    background: var(--color-primary);
    border-radius: 4px;
}

input[type="range"].price-slider {
    position: absolute;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
    height: 20px;
}

input[type="range"].price-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(58,171,168,.4);
    pointer-events: auto;
    cursor: pointer;
    transition: box-shadow var(--transition);
}

input[type="range"].price-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 6px rgba(58,171,168,.15);
}

input[type="range"].price-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(58,171,168,.4);
    pointer-events: auto;
    cursor: pointer;
}

#price-min { z-index: 3; }
#price-max { z-index: 4; }

/* Color filter */
.color-search-wrap { position: relative; margin-bottom: 10px; }

.color-search-wrap input {
    width: 100%;
    padding: 8px 12px 8px 32px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
    background: var(--color-bg);
}

.color-search-wrap input:focus { border-color: var(--color-primary); }

.color-search-wrap svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    flex-shrink: 0;
}

.color-swatch:hover { transform: scale(1.12); box-shadow: 0 2px 6px rgba(0,0,0,.2); }

.color-swatch.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58,171,168,.25);
}

.color-list {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.color-list::-webkit-scrollbar { width: 4px; }
.color-list::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.color-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: background var(--transition);
}

.color-list-item:hover { background: var(--color-bg); }

.color-list-item.active { background: var(--color-badge-bg); }

.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,.1);
}

.color-list-item .check-icon {
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--color-border);
    border-radius: 3px;
    flex-shrink: 0;
    transition: background var(--transition), border-color var(--transition);
}

.color-list-item.active .check-icon {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.color-name { flex: 1; }

.color-count {
    font-size: 10px;
    color: var(--color-text-muted);
    background: var(--color-pill-bg);
    border-radius: 10px;
    padding: 1px 6px;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
#catalog-main {
    flex: 1;
    min-width: 0;
}

/* Toolbar */
.catalog-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.catalog-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.catalog-count {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-left: 8px;
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px 4px 12px;
    background: var(--color-badge-bg);
    color: var(--color-primary);
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(58,171,168,.2);
}

.filter-tag .remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(58,171,168,.15);
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition);
}

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

.clear-all-btn {
    font-size: 12px;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background var(--transition), color var(--transition);
}

.clear-all-btn:hover { background: var(--color-border); color: var(--color-text); }

/* Sort */
.sort-wrap select {
    padding: 8px 28px 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--color-text);
    background: var(--color-card);
    outline: none;
    cursor: pointer;
    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='%236B6B6B' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color var(--transition);
}

.sort-wrap select:focus { border-color: var(--color-primary); }

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Loading state */
.products-grid.loading {
    opacity: .5;
    pointer-events: none;
}

.products-loading {
    display: none;
    grid-column: 1/-1;
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.products-grid.loading .products-loading { display: block; }

/* No results */
.no-products {
    grid-column: 1/-1;
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-muted);
}

.no-products svg { width: 64px; height: 64px; margin: 0 auto 16px; opacity: .3; }
.no-products h3 { font-size: 18px; font-weight: 600; color: var(--color-text); margin-bottom: 8px; }
.no-products p { font-size: 14px; }

/* ============================================================
   PRODUCT CARD
   ============================================================ */
.product-card {
    background: var(--color-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

/* Card header (category tag + badge) */
.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 12px 14px 0;
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 2;
}

.card-category {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(4px);
    border-radius: 6px;
    padding: 3px 8px;
    letter-spacing: .04em;
    text-transform: uppercase;
    border: 1px solid rgba(0,0,0,.06);
}

.card-featured {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-badge-bg);
    border-radius: var(--radius-pill);
    padding: 3px 9px;
    letter-spacing: .06em;
    text-transform: uppercase;
    border: 1px solid rgba(58,171,168,.2);
}

/* Card image */
.card-image-wrap {
    padding: 44px 16px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    position: relative;
    background: linear-gradient(135deg, #fafafa 0%, #f0efed 100%);
}

.card-image-wrap img {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    transition: transform var(--transition);
}

.product-card:hover .card-image-wrap img { transform: scale(1.04); }

.card-image-placeholder {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-border), #d0cfcd);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

/* Card body */
.card-body {
    padding: 12px 16px 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 4px;
}

.card-brand {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-specs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--color-text-muted);
    margin: 2px 0;
}

.spec-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-border);
    flex-shrink: 0;
}

.spec-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,.08);
    display: inline-block;
}

/* Card footer (price + button) */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 8px;
    gap: 8px;
}

.card-price {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    white-space: nowrap;
}

.card-price .currency {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-left: 2px;
}

.card-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.card-add-btn:hover {
    background: var(--color-primary-hover);
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(58,171,168,.35);
    color: #fff;
}

.card-add-btn:active { transform: scale(.98); }

.card-add-btn svg { width: 14px; height: 14px; }

/* Loading spinner */
.card-add-btn.loading {
    pointer-events: none;
    opacity: .75;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.catalog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.catalog-pagination a,
.catalog-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.catalog-pagination a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.catalog-pagination .current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
}

#site-footer a { color: var(--color-primary); }

/* ============================================================
   WOOCOMMERCE OVERRIDES
   ============================================================ */
.woocommerce-message,
.woocommerce-info {
    background: var(--color-badge-bg);
    border-top-color: var(--color-primary);
    border-radius: 8px;
    font-size: 14px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.woocommerce-error {
    background: #fef2f2;
    border-top-color: #e53e3e;
    border-radius: 8px;
    font-size: 14px;
    padding: 12px 16px;
}

/* Cart / Checkout pages — basic styling */
.woocommerce-page .entry-content,
.woocommerce-cart .entry-content,
.woocommerce-checkout .entry-content {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 24px;
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.woocommerce button.button,
.woocommerce input[type="submit"],
.woocommerce a.button {
    background: var(--color-primary) !important;
    color: #fff !important;
    border-radius: var(--radius-pill) !important;
    font-weight: 600 !important;
    border: none !important;
    padding: 10px 20px !important;
    transition: background var(--transition) !important;
}

.woocommerce button.button:hover,
.woocommerce a.button:hover {
    background: var(--color-primary-hover) !important;
}

/* ============================================================
   MOBILE / RESPONSIVE
   ============================================================ */
.mobile-filter-toggle {
    display: none;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
}

.mobile-filter-toggle svg { width: 16px; height: 16px; }

@media (max-width: 1280px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    :root { --sidebar-width: 260px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .catalog-layout { flex-direction: column; padding: 16px; }

    #catalog-sidebar {
        width: 100%;
        min-width: unset;
        position: static;
        max-height: none;
        display: none;
    }

    #catalog-sidebar.open { display: flex; }

    .mobile-filter-toggle { display: flex; }

    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

    .nav-center { display: none; }

    .logo-text .tagline { display: none; }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .catalog-title { font-size: 18px; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.skeleton {
    background: linear-gradient(90deg, var(--color-border) 25%, #e0e0e0 50%, var(--color-border) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s infinite;
    border-radius: 8px;
}

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Scrollbar global */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }