/* ============================================ */
/* ULTRACOMP DARK MODE THEME - OPTIMIZED        */
/* ============================================ */

@font-face {
    font-family: 'OrbitronCZ';
    src: url('https://cdn.jsdelivr.net/gh/chcipcsro-ship-it/orbitronCZ@main/Orbitron-Czech.woff2') format('woff2');
    font-weight: 400 900;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-024F, U+0300-036F;
}

/* Orbitron headings - single rule */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.homepage-group-title,
.homepage-products-heading-2 {
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

/* ============================================ */
/* BASE DARK THEME - CONSOLIDATED               */
/* ============================================ */

body {
    background-color: #0C070F;
    color: #e0e0e0;
}

/* Single rule for all dark backgrounds instead of 10+ separate declarations */
.banner-wrapper,
.container-full-width,
.benefit-banners-full-width,
.content-wrapper,
.breadcrumbs,
.category-header,
.p-detail-full-width,
.footer-bottom,
.footer-bottom-full-width,
.popup-widget-inner {
    background-color: #0C070F;
}

a { color: #a855f7; transition: color 0.3s ease; }
a:hover { color: #c084fc; }

.sidebar {
    background-color: #0C070F;
    border-color: #892CFF;
}

.category-header input[type=radio]:checked+label {
    background-color: #CC0637 !important;
}

/* Hide "Detailní popis produktu" heading */
.basic-description > h4 { display: none !important; }

/* ============================================ */
/* FORM CONTROLS                                */
/* ============================================ */

button, 
input[type="button"], 
input[type="submit"] {
    background-color: #333;
    color: #fff;
    border: 1px solid #444;
}

input, select, textarea {
    background-color: #333;
    color: #e0e0e0;
    border: 1px solid #444;
}

.form-control {
    background: rgba(10, 10, 15, 0.5) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: 12px;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    /* REMOVED: backdrop-filter: blur(8px) - unnecessary on form inputs */
}

/* ============================================ */
/* PRODUCT TABS - NO BACKDROP-FILTER            */
/* ============================================ */

.tab-content {
    background: transparent !important;
    border-radius: 0;
    box-shadow: none;
    border: none !important;
}

.p-detail-tabs {
    background: transparent;
    border: none;
    padding: 8px 0;
    display: flex;
    gap: 12px;
    box-shadow: none;
}

.shp-tabs-holder,
.shp-tabs-row,
.shp-tabs-wrapper,
.p-detail-tabs-wrapper {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.shp-tab { flex: 1; text-align: center; }

.shp-tab.active {
    background: linear-gradient(135deg, #892CFF 0%, #6b21a8 50%, #581c87 100%) !important;
    /* REMOVED: backdrop-filter: blur(10px) */
    border: none;
    border-radius: 12px !important;
    box-shadow: none;
}

.shp-tab.active .shp-tab-link {
    background: transparent !important;
    color: #ffffff !important;
    border: 1px solid transparent !important;
    box-shadow: none !important;
    height: 48px !important;
    padding: 14px 20px !important;
}

.shp-tab-link {
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    text-transform: uppercase !important;
    letter-spacing: 1.5px !important;
    font-weight: 600 !important;
    font-size: 13px !important;
    background: linear-gradient(135deg, #1a0d1f 0%, #251535 100%) !important;
    /* REMOVED: backdrop-filter: blur(8px) */
    border: 1px solid rgba(139, 44, 255, 0.2) !important;
    border-radius: 10px !important;
    padding: 14px 20px !important;
    color: #c4b5d4 !important;
    transition: all 0.3s ease;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    height: 48px !important;
    line-height: 1 !important;
    box-sizing: border-box !important;
}

.shp-tab-link:hover {
    background: linear-gradient(135deg, #2d1b3d 0%, #3d2851 100%) !important;
    border-color: rgba(139, 44, 255, 0.5) !important;
    color: #e8e3f0 !important;
}

/* Navigation button for tab overflow */
.navigation-btn {
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    background: linear-gradient(135deg, #892CFF 0%, #6b21a8 100%) !important;
    border: 1px solid rgba(139, 44, 255, 0.5) !important;
    border-radius: 10px !important;
    color: #ffffff !important;
    padding: 10px 14px !important;
    font-size: 16px !important;
    cursor: pointer;
    transition: all 0.3s ease !important;
    box-shadow: none !important;
}

.navigation-btn:hover {
    background: linear-gradient(135deg, #a855f7 0%, #892CFF 100%) !important;
}

.tab-content .detail-parameters tr:nth-child(odd) {
    background: linear-gradient(135deg, #0f0f1566 0%, #1a0d1f44 100%) !important;
    /* REMOVED: backdrop-filter: blur(6px) - on table rows this is very expensive */
}

/* ============================================ */
/* MODALS / COLORBOX                            */
/* ============================================ */

.content-modal {
    background: linear-gradient(to right, #281034, #0E204C);
    border-radius: 20px;
}

#cboxContent {
    background: rgba(10, 6, 16, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 12px !important;
    /* backdrop-filter kept here - modals are overlay so impact is minimal */
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7) !important;
}

#cboxLoadedContent {
    background: transparent !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#cboxLoadedContent img.cboxPhoto {
    border-radius: 8px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
    max-width: 100% !important;
    max-height: 100% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
}

#cboxNext, #cboxPrevious { color: #a855f7 !important; }
#cboxNext:hover, #cboxPrevious:hover { color: #c084fc !important; }

/* ============================================ */
/* SELECTION & SCROLLBAR                        */
/* ============================================ */

::selection {
    background: rgba(168, 85, 247, 0.3);
    color: #e8e3f0;
}

/* Scrollbar - desktop only (mobile doesn't show custom scrollbars) */
@media (min-width: 769px) {
    ::-webkit-scrollbar { width: 12px; }
    ::-webkit-scrollbar-track { background: #0a0a0f; border-radius: 10px; }
    ::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #6b46c1 0%, #8b5cf6 100%); border-radius: 10px; }
    ::-webkit-scrollbar-thumb:hover { background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%); }
}

/* ============================================ */
/* HIDDEN LINKS / TAB OVERFLOW MENU             */
/* ============================================ */

.hidden-links {
    background: linear-gradient(135deg, rgba(10, 6, 16, 0.7) 0%, rgba(21, 13, 26, 0.5) 50%, rgba(26, 16, 37, 0.6) 100%) !important;
    /* REMOVED: backdrop-filter: blur(15px) */
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    border-radius: 16px !important;
    padding: 8px !important;
    margin: 12px 0 !important;
    box-shadow: none !important;
}

.hidden-links .shp-tab {
    background: transparent !important;
    border-radius: 12px !important;
    margin: 4px !important;
    transition: all 0.3s ease !important;
}

.hidden-links .shp-tab:hover {
    background: linear-gradient(135deg, #1a0d1f99 0%, #2d1b3d77 100%) !important;
}

.hidden-links .shp-tab-link {
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    text-transform: uppercase !important;
    letter-spacing: 1.5px !important;
    font-weight: 600 !important;
    font-size: 12px !important;
    background: linear-gradient(135deg, #1a0d1f 0%, #251535 100%) !important;
    /* REMOVED: backdrop-filter: blur(12px) */
    border: 1px solid rgba(139, 44, 255, 0.2) !important;
    border-radius: 10px !important;
    color: #c4b5d4 !important;
    padding: 12px 18px !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    display: block !important;
    box-shadow: none !important;
}

.hidden-links .shp-tab-link:hover {
    background: linear-gradient(135deg, #2d1b3d 0%, #3d2851 100%) !important;
    border-color: rgba(139, 44, 255, 0.5) !important;
    color: #e8e3f0 !important;
}

.hidden-links .tab-manufacturer-name {
    color: #a855f7 !important;
    font-weight: 700 !important;
    margin-left: 8px !important;
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

/* ============================================ */
/* ULTRACOMP BRAND TAB                          */
/* ============================================ */

.shp-tab[data-testid="tabBrand"] .shp-tab-link {
    font-size: 0 !important;
    height: 48px !important;
}

.shp-tab[data-testid="tabBrand"] .shp-tab-link::before {
    content: "ULTRACOMP BRAND";
    font-size: 13px !important;
    font-family: 'OrbitronCZ', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    line-height: 1 !important;
}

.shp-tab[data-testid="tabBrand"] .tab-manufacturer-name {
    display: none !important;
}

.responsive-nav {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 12px !important;
}

.shp-tabs-holder {
    flex: 1 1 auto !important;
    min-width: 0 !important;
}

.navigation-btn {
    flex-shrink: 0 !important;
    margin-left: auto !important;
}

/* ============================================ */
/* MOBILE STYLES                                */
/* ============================================ */

@media (max-width: 768px) {
    .p-detail-full-width,
    .p-detail-full-width .container-full-width,
    .p-detail-tabs-wrapper,
    .shp-tabs-wrapper {
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
    }
    
    .p-detail-tabs {
        padding: 6px 0 !important;
        gap: 8px !important;
        margin: 0 !important;
        background: transparent !important;
        border: none !important;
        flex-wrap: wrap !important;
    }
    
    .shp-tab-link {
        font-size: 12px !important;
        padding: 10px 14px !important;
        letter-spacing: 0.8px !important;
        border-radius: 8px !important;
        height: 44px !important;
    }
    
    .shp-tab.active { border-radius: 8px !important; }
    
    .shp-tab.active .shp-tab-link {
        height: 44px !important;
        padding: 10px 14px !important;
    }
    
    .shp-tab[data-testid="tabBrand"] .shp-tab-link { height: 44px !important; }
    
    .responsive-nav {
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        padding: 8px 10px !important;
    }
    
    .shp-tabs-holder {
        overflow: hidden !important;
        flex: 1 !important;
    }
    
    .navigation-btn {
        position: relative !important;
        flex-shrink: 0 !important;
        padding: 8px 12px !important;
        font-size: 14px !important;
        border-radius: 8px !important;
        margin-left: 8px !important;
    }
    
    .shp-tab[data-testid="tabBrand"] .shp-tab-link::before {
        font-size: 12px !important;
        letter-spacing: 0.8px !important;
    }
    
    .tab-content,
    #tab-content {
        padding: 0 !important;
        margin: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .description-inner,
    .basic-description {
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .ultracomp-product-page-v2 {
        padding: 20px 10px !important;
        max-width: 100% !important;
    }
    
    .ultracomp-product-page-v2 .performance-section-v2,
    .ultracomp-product-page-v2 .faq-section-v2,
    .ultracomp-product-page-v2 .glossary-wrapper {
        padding: 16px 12px !important;
        border-radius: 16px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .ultracomp-product-page-v2 .components-showcase {
        padding: 10px 0 !important;
        gap: 20px !important;
    }
    
    .ultracomp-product-page-v2 .reviews-grid { gap: 12px !important; }
    
    .ultracomp-product-page-v2 .contact-grid {
        border-radius: 16px !important;
        margin: 0 !important;
    }
}

@media (max-width: 480px) {
    .ultracomp-product-page-v2 { padding: 12px 6px !important; }
    
    .ultracomp-product-page-v2 .performance-section-v2,
    .ultracomp-product-page-v2 .faq-section-v2,
    .ultracomp-product-page-v2 .glossary-wrapper {
        padding: 12px 10px !important;
        border-radius: 12px !important;
    }
    
    .ultracomp-product-page-v2 .component-card {
        padding: 16px !important;
        border-radius: 16px !important;
    }
    
    .ultracomp-product-page-v2 .section-title-standalone {
        padding-left: 8px !important;
        padding-right: 8px !important;
    }
    
    .shp-tab-link {
        font-size: 11px !important;
        padding: 8px 12px !important;
        letter-spacing: 0.5px !important;
        height: 40px !important;
    }
    
    .shp-tab.active .shp-tab-link {
        height: 40px !important;
        padding: 8px 12px !important;
    }
    
    .shp-tab[data-testid="tabBrand"] .shp-tab-link { height: 40px !important; }
    
    .shp-tab[data-testid="tabBrand"] .shp-tab-link::before { font-size: 11px !important; }
    
    .navigation-btn {
        padding: 6px 10px !important;
        font-size: 12px !important;
    }
}