/* shop.css - Frontend Product Catalog Styling */

/* Hero */
.shop-hero {
    padding: 10rem 0 4rem;
    background: var(--black, #000);
    position: relative;
    overflow: hidden;
    color: var(--white, #fff);
}

.shop-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
    z-index: 1;
}

.relative {
    position: relative;
}

.z-10 {
    z-index: 10;
}

.shop-heading {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.shop-heading-line {
    width: 60px;
    height: 1px;
    background: var(--white, #fff);
    opacity: 0.3;
}

@media (max-width: 500px) {
    .shop-heading-line {
        width: 30px;
    }
}

@media (max-width: 350px) {
    .shop-heading-line {
        display: none;
    }
}

.shop-heading h1 {
    font-size: clamp(1.5rem, 6vw, 4rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
    color: var(--white, #fff);
}

.shop-subtitle {
    font-size: 1.125rem;
    color: var(--gray-400, #a3a3a3);
    max-width: 600px;
    margin: 0 auto;
}

/* Sticky Controls Wrapper */
.shop-controls-wrapper {
    position: sticky;
    top: 60px;
    /* Sits just below the main header */
    z-index: 900;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200, #e5e5e5);
    padding: 1rem 0;
    margin-bottom: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.shop-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
}

.shop-controls-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.mobile-filter-btn {
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--black, #000);
    color: var(--white, #fff);
    border: none;
    border-radius: 12px;
    padding: 0 1.25rem;
    height: 48px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background 0.2s;
}

.mobile-filter-btn:active {
    background: var(--gray-800, #262626);
}

.mobile-filter-btn svg {
    margin-right: 8px;
}

/* Sort Dropdown */
.sort-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.sort-dropdown svg {
    position: absolute;
    left: 12px;
    pointer-events: none;
    color: var(--gray-500, #737373);
}

.sort-dropdown select {
    appearance: none;
    -webkit-appearance: none;
    background: #fdfdfd;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 0.75rem 2.5rem 0.75rem 2.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--black, #000);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    white-space: nowrap;
}

.sort-dropdown select:focus {
    outline: none;
    border-color: var(--black, #000);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05);
}

@media (max-width: 767px) {
    .sort-dropdown select {
        height: 48px;
        padding: 0 2.2rem 0 2.2rem;
        font-size: 0.85rem;
    }
}

/* Desktop Filter Toggle Button */
.desktop-filter-btn {
    display: none;
    align-items: center;
    gap: 0.5rem;
    background: #fdfdfd;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 0 1.25rem;
    height: 44px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--black, #000);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    flex-shrink: 0;
}

.desktop-filter-btn:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.desktop-filter-btn.active {
    background: var(--black, #000);
    color: var(--white, #fff);
    border-color: var(--black, #000);
}

.desktop-filter-btn svg:first-child {
    flex-shrink: 0;
}

.desktop-filter-chevron {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.desktop-filter-btn.active .desktop-filter-chevron {
    transform: rotate(180deg);
}

@media (min-width: 768px) {
    .shop-controls {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }

    .desktop-filter-btn {
        display: inline-flex;
    }

    /* Desktop dropdown for categories */
    .category-filters-container {
        position: absolute;
        top: calc(100% + 1rem); /* Just below the controls */
        right: 0;
        width: 380px;
        background: var(--white, #fff);
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                    visibility 0.3s;
        padding: 1.25rem;
        pointer-events: none;
        max-height: none;
    }

    .category-filters-container.desktop-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .category-filters {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        padding-top: 0;
        max-height: 50vh;
        overflow-y: auto;
    }

    .category-filters-container .filter-btn {
        width: 100%;
        text-align: left;
        border-radius: 6px;
        padding: 0.75rem 1rem;
        background: transparent;
        color: var(--black, #000);
        font-weight: 500;
        font-size: 0.95rem;
    }

    .category-filters-container .filter-btn:hover {
        background: #f3f4f6;
    }

    .category-filters-container .filter-btn.active {
        background: var(--black, #000);
        color: var(--white, #fff);
    }
}

/* Floating Catalog Download Button — fixed bottom-right */
.catalog-download-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--black, #000);
    color: var(--white, #fff);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.catalog-download-btn:hover {
    background: var(--gray-800, #262626);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    transform: translateY(-3px) scale(1.03);
}

.catalog-download-btn:active {
    transform: translateY(0) scale(1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.catalog-download-btn:disabled {
    opacity: 0.5;
    pointer-events: none;
}

.catalog-download-btn svg {
    flex-shrink: 0;
}

@media (max-width: 520px) {
    .catalog-download-btn {
        bottom: 1.25rem;
        right: 1.25rem;
        padding: 1rem;
        border-radius: 50%;
    }

    .catalog-download-btn span {
        display: none;
    }
}

/* Product Count */
.product-count {
    font-size: 0.8rem;
    color: var(--gray-500, #737373);
    margin-bottom: 1rem;
    text-align: right;
    letter-spacing: 0.02em;
}

/* Load More Sentinel */
.load-more-sentinel {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 2rem 0 1rem;
}

.load-more-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200, #e5e5e5);
    border-top-color: var(--black, #000);
    border-radius: 50%;
    animation: loadSpin 0.7s linear infinite;
}

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

/* PDF Generation Overlay */
.pdf-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.pdf-overlay.active {
    display: flex;
}

.pdf-overlay-content {
    text-align: center;
    color: var(--white, #fff);
}

.pdf-overlay-content p {
    margin-top: 1.25rem;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.pdf-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--white, #fff);
    border-radius: 50%;
    animation: loadSpin 0.7s linear infinite;
    margin: 0 auto;
}

.search-bar {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-bar svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400, #9ca3af);
}

.search-bar input {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 2.8rem;
    background: #fdfdfd;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    color: var(--black, #000);
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--black, #000);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05);
}

.category-filters-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
}

.category-filters-container::-webkit-scrollbar {
    display: none;
}

.category-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

.filter-btn {
    white-space: nowrap;
    background: #f3f4f6;
    border: 1px solid transparent;
    color: #4b5563;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background: #e5e7eb;
    color: #111827;
}

.filter-btn.active {
    background: var(--black, #000);
    color: var(--white, #fff);
    border-color: var(--black, #000);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-overlay {
    display: none;
    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: 1999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.filter-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 767px) {
    .mobile-filter-btn {
        display: inline-flex;
    }

    .category-filters-container {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 2rem 1.5rem;
        border-radius: 20px 20px 0 0;
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
        z-index: 2000;
        flex-direction: column;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        display: flex;
        box-sizing: border-box;
    }

    .category-filters-container.open {
        transform: translateY(0);
    }

    .category-filters-container::before {
        content: '';
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 4px;
        background: #e5e7eb;
        border-radius: 4px;
    }

    .category-filters {
        flex-direction: column;
        gap: 0.5rem;
        flex-wrap: nowrap;
        max-height: 50vh;
        overflow-y: auto;
    }

    .filter-btn {
        width: 100%;
        text-align: center;
        padding: 1rem;
        font-size: 1rem;
    }

    .search-bar {
        flex: 1;
    }

    .search-bar input {
        height: 48px;
    }
}

/* Shop Grid */
.shop-grid-section {
    padding-bottom: 100px;
}

.shop-grid {
    display: grid;
    gap: 1rem;
    /* Mobile: 2-3 items (130px min gives 2 on tiny screens, 3 on slightly larger) */
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

@media (min-width: 1024px) {

    /* Desktop: strictly 5 columns maximum/minimum as requested */
    .shop-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 2rem;
    }
}

/* Product Card */
.product-card {
    position: relative;
    background: var(--white, #fff);
    border: 1px solid #f3f4f6;
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--black, #000);
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    will-change: transform;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    cursor: pointer;
}

.product-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--gray-200, #e5e5e5);
    z-index: 10;
}

.product-image-wrapper {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    margin-bottom: 1.25rem;
    position: relative;
    transform: translateZ(30px);
    background: #f9fafb;
    box-sizing: border-box;
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    width: calc(100% - 3rem);
    height: calc(100% - 3rem);
    object-fit: contain;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    mix-blend-mode: multiply;
}

/* Cool image scale on hover */
.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-cat {
    display: inline-block;
    background: var(--black, #000);
    color: var(--white, #fff);
    padding: 2px 10px;
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.product-info {
    text-align: center;
    transform: translateZ(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
    color: var(--black, #000);
}

@media (max-width: 768px) {
    .product-name {
        font-size: 0.85rem;
    }
}

.product-artnum {
    font-size: 0.75rem;
    color: var(--gray-500, #737373);
    margin-top: auto;
}

.no-results {
    text-align: center;
    padding: 4rem 0;
    color: var(--gray-500, #737373);
    font-size: 1.125rem;
}

/* Shop Modal */
.shop-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.shop-modal.active {
    display: flex;
}

.shop-modal-content {
    background: var(--white, #fff);
    width: 100%;
    max-width: 900px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.shop-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black, #000);
    z-index: 10;
    transition: background 0.2s, transform 0.2s;
}

.shop-modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

.shop-modal-body {
    display: grid;
    grid-template-columns: 1fr;
    overflow-y: auto;
}

@media (min-width: 768px) {
    .shop-modal-body {
        grid-template-columns: 1fr 1fr;
    }
}

.shop-modal-image {
    background: var(--gray-100, #f5f5f5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.shop-modal-image img {
    max-height: 50vh;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.shop-modal-info {
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-title {
    font-size: var(--fs-xl, 2rem);
    font-weight: 800;
    margin-bottom: 0.25rem;
    line-height: 1.1;
}

.modal-artnum {
    margin-bottom: 2rem;
}

.shop-modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200, #e5e5e5);
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.75rem;
    color: var(--gray-500, #737373);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.spec-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--black, #000);
}

.shop-modal-desc {
    color: var(--gray-700, #404040);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* ═══════════════════════════════════════════════════
   SHARE BUTTON
   ═══════════════════════════════════════════════════ */
.shop-modal-share {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--black, #000);
    color: var(--white, #fff);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 1.5rem;
}

.shop-modal-share:hover {
    background: var(--gray-800, #262626);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.shop-modal-share:active {
    transform: translateY(0);
}

.shop-modal-share svg {
    flex-shrink: 0;
}

.shop-modal-share .share-feedback {
    font-size: 0.8rem;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════
   MODAL — MOBILE RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .shop-modal {
        padding: 0;
        align-items: flex-end;
    }

    .shop-modal-content {
        width: 100%;
        max-width: 100%;
        max-height: 100vh;
        max-height: 100dvh;
        height: 100%;
        border-radius: 0;
    }

    .shop-modal-body {
        grid-template-columns: 1fr;
    }

    .shop-modal-image {
        padding: 1.5rem 1rem;
    }

    .shop-modal-image img {
        max-height: 35vh;
    }

    .shop-modal-info {
        padding: 1.5rem 1.25rem 2rem;
    }

    .modal-title {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
    }

    .shop-modal-specs {
        gap: 0.75rem;
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .shop-modal-close {
        top: 0.75rem;
        right: 0.75rem;
        background: rgba(0, 0, 0, 0.08);
        width: 36px;
        height: 36px;
        z-index: 20;
    }
}

@media (max-width: 400px) {
    .shop-modal-specs {
        grid-template-columns: 1fr;
    }

    .shop-modal-info {
        padding: 1.25rem 1rem 2rem;
    }
}

/* Scroll Lock — used by JS */
body.modal-open {
    position: fixed;
    width: 100%;
    overflow: hidden;
}

html.modal-open {
    overflow: hidden;
}