/* catalog.css - Premium Full Screen Mobile First VideoTienda */
/* v2.0 — Reforma Premium de Filtros */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
.catalog-fullscreen-overlay {
    --cat-bg: #f5f6f8;
    --cat-card-bg: #ffffff;
    --cat-text: #1a1a2e;
    --cat-text-secondary: #6b7280;
    --cat-text-muted: #9ca3af;
    --cat-border: #e5e7eb;
    --cat-border-light: #f0f1f3;
    --cat-accent: var(--main-color, #1EADBD);
    --cat-accent-soft: color-mix(in srgb, var(--cat-accent) 12%, transparent);
    --cat-accent-hover: color-mix(in srgb, var(--cat-accent) 85%, #000);
    --cat-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --cat-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --cat-shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --cat-radius-sm: 8px;
    --cat-radius-md: 12px;
    --cat-radius-lg: 16px;
    --cat-radius-full: 999px;
    --cat-transition: cubic-bezier(0.22, 1, 0.36, 1);
    --cat-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
}

/* ============================================
   FULLSCREEN OVERLAY
   ============================================ */
.catalog-fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--cat-bg);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform 0.4s var(--cat-transition);
    font-family: var(--cat-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.catalog-fullscreen-overlay.open {
    transform: translateY(0);
}

/* ============================================
   HEADER — Search + Close
   ============================================ */
.catalog-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--cat-card-bg);
    border-bottom: 1px solid var(--cat-border-light);
    z-index: 20;
    flex-shrink: 0;
}

.catalog-header .catalog-search-input-wrapper {
    flex: 1;
}

.catalog-close-btn {
    background: none;
    border: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-text-secondary);
    padding: 4px 6px;
    flex-shrink: 0;
    border-radius: var(--cat-radius-sm);
    transition: all 0.2s ease;
}

.catalog-close-btn:hover {
    background: var(--cat-border-light);
    color: var(--cat-text);
}

.catalog-search-input-wrapper {
    position: relative;
    width: 100%;
}

.catalog-search-input {
    width: 100%;
    padding: 11px 16px 11px 42px;
    border: 2px solid var(--cat-border);
    border-radius: var(--cat-radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--cat-text);
    outline: none;
    box-sizing: border-box;
    transition: all 0.3s var(--cat-transition);
    background: var(--cat-bg);
}

.catalog-search-input::placeholder {
    color: var(--cat-text-muted);
    font-weight: 400;
}

.catalog-search-input:focus {
    border-color: var(--cat-accent);
    background: var(--cat-card-bg);
    box-shadow: 0 0 0 4px var(--cat-accent-soft);
}

.catalog-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cat-text-muted);
    transition: color 0.2s;
}

.catalog-search-input:focus ~ .catalog-search-icon,
.catalog-search-input-wrapper:focus-within .catalog-search-icon {
    color: var(--cat-accent);
}

/* ============================================
   TOOLBAR — Results Count + Filter Btn + Sort
   ============================================ */
.catalog-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--cat-card-bg);
    border-bottom: 1px solid var(--cat-border-light);
    flex-shrink: 0;
    z-index: 15;
}

.catalog-results-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--cat-text);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.catalog-results-count span {
    color: var(--cat-accent);
    font-weight: 700;
}

.catalog-toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-full);
    background: var(--cat-card-bg);
    color: var(--cat-text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
    font-family: inherit;
}

.catalog-toolbar-btn:hover {
    border-color: var(--cat-accent);
    color: var(--cat-accent);
    background: var(--cat-accent-soft);
}

.catalog-toolbar-btn.active {
    border-color: var(--cat-accent);
    background: var(--cat-accent);
    color: #fff;
}

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

.catalog-filter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--cat-accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    margin-left: 2px;
}

.catalog-toolbar-btn.active .catalog-filter-badge {
    background: rgba(255,255,255,0.3);
}

.catalog-clear-link {
    font-size: 12px;
    font-weight: 600;
    color: var(--cat-accent);
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
    border: none;
    background: none;
    padding: 4px 8px;
    text-decoration: none;
    flex-shrink: 0;
    font-family: inherit;
}

.catalog-clear-link:hover {
    opacity: 0.7;
}

/* Sort Dropdown */
.catalog-sort-wrapper {
    position: relative;
    flex-shrink: 0;
}

.catalog-sort-select {
    appearance: none;
    -webkit-appearance: none;
    padding: 8px 32px 8px 12px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-full);
    background: var(--cat-card-bg) 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='%236b7280' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
    color: var(--cat-text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
    min-width: 0;
}

.catalog-sort-select:focus {
    border-color: var(--cat-accent);
    box-shadow: 0 0 0 3px var(--cat-accent-soft);
}

/* ============================================
   ACTIVE FILTER CHIPS
   ============================================ */
.catalog-chips-bar {
    display: flex;
    gap: 8px;
    padding: 0 16px 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: var(--cat-card-bg);
    border-bottom: 1px solid var(--cat-border-light);
    flex-shrink: 0;
}

.catalog-chips-bar::-webkit-scrollbar {
    display: none;
}

.catalog-chips-bar:empty {
    display: none;
}

.catalog-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px 6px 12px;
    background: var(--cat-accent-soft);
    border: 1px solid color-mix(in srgb, var(--cat-accent) 25%, transparent);
    border-radius: var(--cat-radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--cat-accent-hover);
    white-space: nowrap;
    flex-shrink: 0;
    animation: chipIn 0.3s var(--cat-transition) both;
}

.catalog-chip-label {
    color: var(--cat-text-muted);
    font-weight: 500;
}

.catalog-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--cat-accent) 20%, transparent);
    color: var(--cat-accent-hover);
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    border: none;
    padding: 0;
    transition: all 0.15s ease;
    font-family: inherit;
}

.catalog-chip-remove:hover {
    background: var(--cat-accent);
    color: #fff;
}

@keyframes chipIn {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

/* ============================================
   FILTER PANEL — Bottom Sheet (Mobile)
   ============================================ */
.catalog-filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100010;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.catalog-filter-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.catalog-filter-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 85vh;
    background: var(--cat-card-bg);
    border-radius: var(--cat-radius-lg) var(--cat-radius-lg) 0 0;
    z-index: 100011;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.4s var(--cat-transition);
    box-shadow: 0 -8px 40px rgba(0,0,0,0.15);
}

.catalog-filter-panel.active {
    transform: translateY(0);
}

.catalog-filter-panel-handle {
    width: 36px;
    height: 4px;
    background: var(--cat-border);
    border-radius: 2px;
    margin: 10px auto 0;
    flex-shrink: 0;
}

.catalog-filter-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px 10px;
    flex-shrink: 0;
}

.catalog-filter-panel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--cat-text);
    margin: 0;
}

.catalog-filter-panel-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--cat-bg);
    color: var(--cat-text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.catalog-filter-panel-close:hover {
    background: var(--cat-border);
    color: var(--cat-text);
}

.catalog-filter-panel-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 20px 20px;
}

.catalog-filter-panel-footer {
    display: flex;
    gap: 12px;
    padding: 14px 20px;
    border-top: 1px solid var(--cat-border-light);
    background: var(--cat-card-bg);
    flex-shrink: 0;
}

.catalog-filter-panel-footer .catalog-fpanel-clear {
    padding: 12px 20px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-md);
    background: var(--cat-card-bg);
    color: var(--cat-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-family: inherit;
}

.catalog-filter-panel-footer .catalog-fpanel-clear:hover {
    border-color: var(--cat-text-secondary);
}

.catalog-filter-panel-footer .catalog-fpanel-apply {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: var(--cat-radius-md);
    background: var(--cat-accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.catalog-filter-panel-footer .catalog-fpanel-apply:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ============================================
   FILTER GROUPS — Accordion Sections
   ============================================ */
.catalog-filter-group {
    border-bottom: 1px solid var(--cat-border-light);
}

.catalog-filter-group:last-child {
    border-bottom: none;
}

.catalog-filter-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.catalog-filter-group-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--cat-text);
    letter-spacing: 0.01em;
}

.catalog-filter-group-arrow {
    width: 20px;
    height: 20px;
    color: var(--cat-text-muted);
    transition: transform 0.3s var(--cat-transition);
    flex-shrink: 0;
}

.catalog-filter-group.collapsed .catalog-filter-group-arrow {
    transform: rotate(-90deg);
}

.catalog-filter-group-body {
    padding-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
    transition: max-height 0.35s var(--cat-transition), opacity 0.25s ease, padding 0.3s ease;
    max-height: 600px;
    opacity: 1;
}

.catalog-filter-group.collapsed .catalog-filter-group-body {
    max-height: 0;
    opacity: 0;
    padding-bottom: 0;
}

/* ============================================
   FILTER CONTROLS — Premium Redesign
   ============================================ */

/* Select / Radio dropdown */
.catalog-fpanel-select {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--cat-text);
    background: var(--cat-bg) 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='%236b7280' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.catalog-fpanel-select:focus {
    border-color: var(--cat-accent);
    box-shadow: 0 0 0 3px var(--cat-accent-soft);
}

.catalog-fpanel-select.has-value {
    border-color: var(--cat-accent);
    background-color: var(--cat-accent-soft);
    color: var(--cat-accent-hover);
    font-weight: 600;
}

/* Text input */
.catalog-fpanel-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--cat-text);
    background: var(--cat-bg);
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.catalog-fpanel-input::placeholder {
    color: var(--cat-text-muted);
    font-weight: 400;
}

.catalog-fpanel-input:focus {
    border-color: var(--cat-accent);
    box-shadow: 0 0 0 3px var(--cat-accent-soft);
    background: var(--cat-card-bg);
}

/* Checkbox / Toggle */
.catalog-fpanel-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
}

.catalog-fpanel-toggle:hover {
    border-color: var(--cat-accent);
}

.catalog-fpanel-toggle.checked {
    border-color: var(--cat-accent);
    background: var(--cat-accent-soft);
}

.catalog-fpanel-toggle-track {
    width: 36px;
    height: 20px;
    border-radius: 10px;
    background: var(--cat-border);
    position: relative;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.catalog-fpanel-toggle.checked .catalog-fpanel-toggle-track {
    background: var(--cat-accent);
}

.catalog-fpanel-toggle-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.2s var(--cat-transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.catalog-fpanel-toggle.checked .catalog-fpanel-toggle-thumb {
    transform: translateX(16px);
}

.catalog-fpanel-toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--cat-text);
}

/* Number range row */
.catalog-fpanel-range-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.catalog-fpanel-range-row .catalog-fpanel-select {
    flex: 1;
    min-width: 0;
}

.catalog-fpanel-range-sep {
    font-size: 12px;
    color: var(--cat-text-muted);
    font-weight: 600;
    flex-shrink: 0;
}

/* Filter label inside panel */
.catalog-fpanel-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--cat-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

/* ============================================
   CONTENT BODY
   ============================================ */
.catalog-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

.catalog-loading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 120px;
    gap: 12px;
}

.catalog-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--cat-border);
    border-top-color: var(--cat-accent);
    border-radius: 50%;
    animation: catSpin 0.7s linear infinite;
}

.catalog-loading-text {
    color: var(--cat-text-muted);
    font-size: 14px;
    font-weight: 500;
}

@keyframes catSpin {
    to { transform: rotate(360deg); }
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    padding-bottom: 40px;
}

@media (max-width: 360px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.catalog-card {
    background: var(--cat-card-bg);
    border-radius: var(--cat-radius-md);
    overflow: hidden;
    box-shadow: var(--cat-shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s var(--cat-transition), box-shadow 0.25s ease;
    position: relative;
    border: 2px solid transparent;
    animation: cardFadeIn 0.4s var(--cat-transition) both;
}

.catalog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--cat-shadow-md);
}

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Stagger animation for grid items */
.catalog-card:nth-child(1)  { animation-delay: 0.02s; }
.catalog-card:nth-child(2)  { animation-delay: 0.04s; }
.catalog-card:nth-child(3)  { animation-delay: 0.06s; }
.catalog-card:nth-child(4)  { animation-delay: 0.08s; }
.catalog-card:nth-child(5)  { animation-delay: 0.10s; }
.catalog-card:nth-child(6)  { animation-delay: 0.12s; }
.catalog-card:nth-child(7)  { animation-delay: 0.14s; }
.catalog-card:nth-child(8)  { animation-delay: 0.16s; }
.catalog-card:nth-child(9)  { animation-delay: 0.18s; }
.catalog-card:nth-child(10) { animation-delay: 0.20s; }

/* Featured Product Card */
.catalog-card.catalog-card-featured {
    box-shadow: 0 4px 20px color-mix(in srgb, var(--cat-accent) 15%, transparent);
    border-color: color-mix(in srgb, var(--cat-accent) 35%, transparent);
}

.catalog-card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 4px 10px;
    border-radius: var(--cat-radius-full);
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    z-index: 5;
    letter-spacing: 0.3px;
}

.catalog-card-media {
    width: 100%;
    aspect-ratio: 1 / 1;
    position: relative;
    background: var(--cat-bg);
    cursor: pointer;
    overflow: hidden;
}

.catalog-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--cat-transition);
}

.catalog-card:hover .catalog-card-media img {
    transform: scale(1.06);
}

.catalog-video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 46px;
    height: 46px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    transition: all 0.2s ease;
}

.catalog-video-play-btn:hover {
    background: rgba(0,0,0,0.7);
    transform: translate(-50%, -50%) scale(1.08);
}

.catalog-video-play-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    margin-left: 3px;
}

.catalog-card-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.catalog-card-category {
    font-size: 10px;
    color: var(--cat-text-muted);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 0.04em;
}

.catalog-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--cat-text);
    margin: 0 0 6px 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.catalog-card-price {
    font-size: 16px;
    font-weight: 800;
    color: var(--cat-accent);
    margin-bottom: 10px;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.catalog-price-original {
    font-size: 13px;
    font-weight: 400;
    color: var(--cat-text-muted);
    text-decoration: line-through;
}

.catalog-price-promo {
    font-size: 16px;
    font-weight: 800;
}

.catalog-card-desc {
    font-size: 12px;
    color: var(--cat-text-secondary);
    margin: 0 0 8px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.catalog-card-more {
    font-size: 12px;
    font-weight: 600;
    color: var(--cat-accent);
    text-decoration: none;
    margin-bottom: 8px;
    display: inline-block;
    transition: opacity 0.2s;
}

.catalog-card-more:hover {
    opacity: 0.7;
}

.catalog-card-btn {
    width: 100%;
    padding: 9px;
    background: var(--cat-accent);
    color: #fff;
    border: none;
    border-radius: var(--cat-radius-sm);
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
}

.catalog-card-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ============================================
   YOUTUBE MODAL OVERLAY
   ============================================ */
.catalog-yt-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.92);
    z-index: 100020;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.catalog-yt-modal.active {
    opacity: 1;
    pointer-events: all;
}

.catalog-yt-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.catalog-yt-close:hover {
    background: rgba(255,255,255,0.25);
}

.catalog-yt-container {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16 / 9;
    background: #000;
}

.catalog-yt-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.catalog-empty {
    text-align: center;
    padding: 60px 24px;
    color: var(--cat-text-muted);
}

.catalog-empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.catalog-empty-text {
    font-size: 15px;
    font-weight: 500;
}

/* ============================================
   PRODUCT DETAIL MODAL
   ============================================ */
.catalog-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 100021;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.catalog-detail-modal.active {
    opacity: 1;
    pointer-events: all;
}

.catalog-detail-panel {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--cat-card-bg);
    border-radius: var(--cat-radius-lg) var(--cat-radius-lg) 0 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transform: translateY(100%);
    transition: transform 0.35s var(--cat-transition);
}

.catalog-detail-modal.active .catalog-detail-panel {
    transform: translateY(0);
}

.catalog-detail-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s;
}

.catalog-detail-close:hover {
    background: rgba(0,0,0,0.6);
}

.catalog-detail-scroll {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 20px 24px;
}

.catalog-detail-media,
.catalog-detail-media-video {
    width: calc(100% + 40px);
    margin: 0 -20px;
    overflow: hidden;
    position: relative;
}

.catalog-detail-media img,
.catalog-detail-media-video img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    cursor: pointer;
    border-radius: var(--cat-radius-lg) var(--cat-radius-lg) 0 0;
}

.catalog-detail-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: all 0.2s ease;
}

.catalog-detail-play-btn:hover {
    background: rgba(0,0,0,0.7);
    transform: translate(-50%, -50%) scale(1.05);
}

.catalog-detail-play-btn svg {
    width: 28px;
    height: 28px;
    fill: #fff;
    margin-left: 4px;
}

.catalog-detail-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}

.catalog-detail-video iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.catalog-detail-category {
    font-size: 11px;
    color: var(--cat-text-muted);
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 16px;
    margin-bottom: 4px;
    letter-spacing: 0.04em;
}

.catalog-detail-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--cat-text);
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.catalog-detail-price {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.catalog-detail-price .catalog-price-original {
    font-size: 16px;
}

.catalog-detail-price .catalog-price-promo {
    font-size: 22px;
    font-weight: 800;
    color: var(--cat-accent);
}

.catalog-detail-desc {
    font-size: 14px;
    color: var(--cat-text-secondary);
    line-height: 1.65;
    margin-bottom: 20px;
    white-space: pre-line;
}

.catalog-detail-btn {
    width: 100%;
    padding: 13px;
    background: var(--cat-accent);
    color: #fff;
    border: none;
    border-radius: var(--cat-radius-md);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.catalog-detail-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ============================================
   SCROLL LOCK
   ============================================ */
body.catalog-panel-open {
    overflow: hidden !important;
}

/* ============================================
   DESKTOP RESPONSIVE (>768px)
   ============================================ */
@media (min-width: 769px) {
    .catalog-filter-panel {
        max-width: 420px;
        left: auto;
        right: 0;
        max-height: 100vh;
        height: 100%;
        border-radius: var(--cat-radius-lg) 0 0 var(--cat-radius-lg);
        transform: translateX(100%);
    }

    .catalog-filter-panel.active {
        transform: translateX(0);
    }

    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .catalog-sort-select {
        min-width: 165px;
    }
}

/* ============================================
   LEGACY COMPATIBILITY — Hidden old classes
   ============================================ */
.catalog-advanced-toggle,
.catalog-advanced-btn,
.catalog-clear-btn,
.catalog-filters-scroll,
.catalog-apply-row,
.catalog-apply-btn,
.catalog-filter-row,
.catalog-filter-btn,
.catalog-filter-select,
.catalog-filter-range,
.catalog-filter-label,
.catalog-filter-input,
.catalog-filter-check {
    display: none !important;
}

/* ============================================
   CUSTOM FIELDS (FEATURES)
   ============================================ */
.catalog-detail-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 16px 0;
    padding: 16px;
    background: var(--cat-bg);
    border-radius: var(--cat-radius-md);
}

.catalog-feature-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.catalog-feature-label {
    font-size: 11px;
    color: var(--cat-text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.catalog-feature-value {
    font-size: 14px;
    color: var(--cat-text);
    font-weight: 600;
}

/* ============================================
   CART FAB (Floating Action Button)
   ============================================ */
.catalog-cart-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--cat-shadow-lg);
    cursor: pointer;
    z-index: 999999;
    transition: transform 0.3s var(--cat-transition);
}

.catalog-cart-fab:hover {
    transform: scale(1.05);
}

.catalog-cart-fab svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.catalog-cart-fab.bounce {
    animation: cartBounce 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes cartBounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.catalog-cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff3b30;
    color: #fff;
    font-size: 13px;
    font-weight: bold;
    height: 24px;
    min-width: 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* ============================================
   CART PANEL & OVERLAY
   ============================================ */
.catalog-cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.catalog-cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.catalog-cart-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: var(--cat-bg);
    z-index: 1000000;
    display: flex;
    flex-direction: column;
    transition: right 0.4s var(--cat-transition);
    box-shadow: var(--cat-shadow-lg);
}

.catalog-cart-panel.active {
    right: 0;
}

.catalog-cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--cat-card-bg);
    border-bottom: 1px solid var(--cat-border);
}

.catalog-cart-header h3 {
    margin: 0;
    font-size: 20px;
    color: var(--cat-text);
}

.catalog-cart-close {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-text-secondary);
}

.catalog-cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.catalog-cart-item {
    display: flex;
    gap: 15px;
    background: var(--cat-card-bg);
    padding: 15px;
    border-radius: var(--cat-radius-md);
    margin-bottom: 15px;
    box-shadow: var(--cat-shadow-sm);
    position: relative;
}

.catalog-cart-item img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: var(--cat-radius-sm);
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cart-item-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 5px;
    color: var(--cat-text);
}

.cart-item-price {
    font-size: 14px;
    color: var(--cat-accent);
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.cart-qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--cat-border);
    background: var(--cat-bg);
    color: var(--cat-text);
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-qty-btn:hover {
    background: var(--cat-border-light);
}

.cart-qty-val {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    color: var(--cat-text, #333);
}

.catalog-qty-value {
    font-weight: bold;
    min-width: 20px;
    text-align: center;
    color: var(--cat-text, #333);
}

.catalog-cart-footer {
    padding: 20px;
    background: var(--cat-card-bg);
    border-top: 1px solid var(--cat-border);
}

.catalog-cart-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--cat-text);
}

.catalog-cart-checkout-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: var(--cat-radius-md);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.catalog-cart-checkout-btn:hover {
    opacity: 0.9;
}

/* ============================================
   CHECKOUT MODAL
   ============================================ */
.catalog-checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.catalog-checkout-modal.active {
    opacity: 1;
    visibility: visible;
}

.catalog-checkout-panel {
    width: 90%;
    max-width: 500px;
    background: var(--cat-bg);
    border-radius: var(--cat-radius-lg);
    box-shadow: var(--cat-shadow-lg);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s var(--cat-transition);
}

.catalog-checkout-modal.active .catalog-checkout-panel {
    transform: scale(1);
}

.catalog-checkout-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--cat-card-bg);
    border-bottom: 1px solid var(--cat-border);
}

.catalog-checkout-header h3 {
    margin: 0;
    font-size: 20px;
    color: var(--cat-text);
}

.catalog-checkout-close {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-text-secondary);
}

.catalog-checkout-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.catalog-checkout-form .form-group {
    margin-bottom: 15px;
}

.catalog-checkout-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--cat-text);
    font-size: 14px;
}

.catalog-checkout-form .form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.catalog-checkout-form .form-control:focus {
    border-color: var(--cat-accent);
}

.catalog-checkout-footer {
    padding: 20px;
    background: var(--cat-card-bg);
    border-top: 1px solid var(--cat-border);
}

.catalog-checkout-submit-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: var(--cat-radius-md);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.catalog-checkout-submit-btn svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    fill: currentColor;
}

.catalog-checkout-submit-btn:hover {
    filter: brightness(0.95);
}

.catalog-checkout-form .catalog-card-btn {
    display: none !important;
}