/**
 * Drevko Collection Filter - Frontend Styles
 * Version: 1.0.0
 */

/* ===================================
   GŁÓWNE ZMIENNE CSS
   =================================== */

:root {
    --dcf-primary-color: var(--theme-palette-color-1, #b59e8b);
    --dcf-primary-hover: var(--theme-palette-color-2, #907e6f);
    --dcf-text-color: var(--theme-palette-color-3, #222222);
    --dcf-background: var(--theme-palette-color-8, #ffffff);
    --dcf-section-bg: var(--theme-palette-color-11, #f6f3f0);
    --dcf-section-bg-3: var(--theme-palette-color-13, #e8e1dc);
    --dcf-section-bg-4: var(--theme-palette-color-14, #e1d8d0);
    
    /* Wysokości ikon */
    --dcf-icon-width-desktop: 42px;
    --dcf-icon-height-desktop: 62px;
    --dcf-icon-width-mobile: 36px;
    --dcf-icon-height-mobile: 54px;
    --dcf-icon-width-sticky: 24px;
    --dcf-icon-height-sticky: 36px;
    --dcf-icon-width-sticky-mobile: 20px;
    --dcf-icon-height-sticky-mobile: 31px;
    
    /* Wysokości headera z CSS variables motywu (fallback) */
    --dcf-header-height-mobile: var(--shrink-height, 59px);
    --dcf-header-height-tablet: var(--shrink-height, 64px);
    --dcf-header-height-desktop: var(--shrink-height, 75px);
    
    /* Animacje */
    --dcf-transition-sticky: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   WRAPPER I KONTENER GŁÓWNY
   =================================== */

.dcf-filter-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 10px;
    z-index: 10;
}

.dcf-filter-section {
    background-color: var(--dcf-section-bg);
    padding: 20px 0;
    position: relative;
    overflow: hidden;
    transition: var(--dcf-transition-sticky);
}

.dcf-filter-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 5vw;
    position: relative;
    transition: var(--dcf-transition-sticky);
}

/* ===================================
   KONTENER ELEMENTÓW FILTRU
   =================================== */

.dcf-filter-items {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
    position: relative;
    padding: 0 20px;
    transition: var(--dcf-transition-sticky);
}

/* ===================================
   POJEDYNCZY ELEMENT FILTRU
   =================================== */

.dcf-filter-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--dcf-text-color);
    transition: var(--dcf-transition-sticky);
    padding: 12px 8px 8px;
    border-radius: 0;
    background-color: transparent;
    border: 1px solid transparent;
    position: relative;
    min-width: 140px;
}

.dcf-filter-item:hover {
    text-decoration: none;
    color: var(--dcf-text-color);
    background-color: var(--dcf-section-bg-4);
    border-color: var(--dcf-primary-color);
}

/* Stan aktywny */
.dcf-filter-item--active {
    background-color: var(--dcf-section-bg-4);
    border-color: var(--dcf-primary-color);
}

.dcf-filter-item--active:hover {
    background-color: var(--dcf-section-bg-3);
}

/* ===================================
   IKONA KOLEKCJI
   =================================== */

.dcf-filter-item__icon {
    width: var(--dcf-icon-width-desktop);
    height: var(--dcf-icon-height-desktop);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: var(--dcf-transition-sticky);
}

.dcf-filter-item__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

/* ===================================
   ETYKIETA I TEKST
   =================================== */

.dcf-filter-item__label {
    text-align: center;
    font-family: 'Nunito', sans-serif;
    line-height: 1.3;
    text-wrap: nowrap;
    transition: var(--dcf-transition-sticky);
}

.dcf-filter-item__name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    transition: var(--dcf-transition-sticky);
}

/* ===================================
   STICKY BEHAVIOR
   =================================== */

.dcf-filter-wrapper.dcf-sticky {
    position: fixed;
    top: var(--dcf-header-height-desktop);
    left: 0;
    right: 0;
    z-index: 999;
    margin-bottom: 0;
    box-shadow: 0px 10px 20px rgba(44, 62, 80, 0.04);
}

.dcf-sticky .dcf-filter-section {
    padding: 12px 0;
    background-color: var(--dcf-background);
    border-top: 1px solid var(--dcf-section-bg);
}

.dcf-sticky .dcf-filter-items {
    gap: 12px;
}

.dcf-sticky .dcf-filter-item {
    flex-direction: row;
    padding: 6px 12px;
    min-width: auto;
}

.dcf-sticky .dcf-filter-item__icon {
    width: var(--dcf-icon-width-sticky);
    height: var(--dcf-icon-height-sticky);
    margin-bottom: 0;
    margin-right: 8px;
}

.dcf-sticky .dcf-filter-item__name {
    font-size: 13px;
}

/* ===================================
   STICKY PLACEHOLDER
   =================================== */

.dcf-sticky-placeholder {
    display: none;
    visibility: hidden;
    pointer-events: none;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
}

/* ===================================
   MOBILE SCROLLING I GRADIENT MASK
   =================================== */

.dcf-scroll-mask {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(to left, var(--dcf-section-bg) 0%, transparent 100%);
    pointer-events: none;
    z-index: 5;
}

.dcf-scroll-indicator {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--dcf-section-bg-3);
    overflow: hidden;
}

.dcf-scroll-thumb {
    position: absolute;
    top: 0;
    height: 100%;
    background-color: var(--dcf-primary-color);
    border-radius: 2px;
    width: 20%;
    transition: none;
}

/* ===================================
   RESPONSYWNOŚĆ - TABLET
   =================================== */

@media (max-width: 999.98px) {
    :root {
        --dcf-header-height-tablet: var(--shrink-height, 64px);
    }
    
    .dcf-filter-wrapper.dcf-sticky {
        top: var(--dcf-header-height-tablet);
    }

    #dcf-filter-wrapper {
        width: 100vw;
        margin: 0 -5vw;
    }

    #dcf-filter-wrapper.dcf-sticky {
        margin: 0;
    }
    
    .dcf-filter-container {
        padding: 0 20px;
    }
    
    .dcf-filter-items {
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        justify-content: flex-start;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .dcf-filter-items::-webkit-scrollbar {
        display: none;
    }
    
    .dcf-scroll-mask {
        display: block;
    }
    
    .dcf-scroll-indicator {
        display: block;
    }
}

/* ===================================
   RESPONSYWNOŚĆ - MOBILE
   =================================== */

@media (max-width: 689.98px) {
    :root {
        --dcf-header-height-mobile: var(--shrink-height, 59px);
    }
    
    .dcf-filter-wrapper.dcf-sticky {
        top: var(--dcf-header-height-mobile);
    }
    
    .dcf-filter-wrapper {
        width: 100vw;
        margin: 0 -5vw;
    }

    .dcf-filter-wrapper.dcf-sticky {
        margin: 0;
    }
    
    .dcf-filter-section {
        padding: 0;
    }

    .dcf-filter-container {
        padding: 12px 0 16px;
    }
    
    .dcf-sticky .dcf-filter-container {
        padding: 10px 0;
    }
    
    .dcf-filter-items {
        gap: 6px;
    }
    
    .dcf-filter-item {
        padding: 6px;
        min-width: 116px;
    }
    
    .dcf-filter-item__icon {
        width: var(--dcf-icon-width-mobile);
        height: var(--dcf-icon-height-mobile);
        margin-bottom: 6px;
    }

    .dcf-sticky .dcf-filter-item__icon {
        width: var(--dcf-icon-width-sticky-mobile);
        height: var(--dcf-icon-height-sticky-mobile);
    }
    
    .dcf-filter-item__name {
        font-size: calc(14px * 0.88);
    }
    
    /* Sticky mobile */
    .dcf-sticky .dcf-filter-section {
        padding: 0;
    }
    
    .dcf-sticky .dcf-filter-item {
        padding: 4px 8px;
    }

    .dcf-sticky .dcf-filter-items {
        gap: 6px;
        padding: 0 16px;
    }
    
    .dcf-sticky .dcf-filter-item__name {
        font-size: 12px;
    }
}

/* ===================================
   WYSOKIE DPI / RETINA
   =================================== */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .dcf-filter-item__icon img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ===================================
   PREFERS REDUCED MOTION
   =================================== */

@media (prefers-reduced-motion: reduce) {
    :root {
        --dcf-transition-sticky: none;
    }
    
    .dcf-filter-item,
    .dcf-filter-item__icon,
    .dcf-filter-item__icon img,
    .dcf-filter-section,
    .dcf-filter-container,
    .dcf-filter-items,
    .dcf-filter-item__label,
    .dcf-filter-item__name,
    .dcf-scroll-thumb {
        transition: none;
    }
}

/* ===================================
   ADMIN BAR COMPATIBILITY
   =================================== */

.admin-bar .dcf-filter-wrapper.dcf-sticky {
    top: calc(var(--dcf-header-height-desktop) + 32px);
}

@media (max-width: 999.98px) {
    .admin-bar .dcf-filter-wrapper.dcf-sticky {
        top: calc(var(--dcf-header-height-tablet) + 32px);
    }
}

@media (min-width: 601px) and (max-width: 782px) {
    .admin-bar .dcf-filter-wrapper.dcf-sticky {
        top: calc(var(--dcf-header-height-mobile) + 46px);
    }
}

@media (max-width: 600.98px) {
    .admin-bar .dcf-filter-wrapper.dcf-sticky {
        top: calc(var(--dcf-header-height-mobile));
    }
}