:root{
  --accent-yellow:#FFCC00;
  --accent-red:#D32F2F;
  --bg:#fafafa;
  --text:#222;
  --border-color:#ddd;
  --medium-text:#666;
  --dark-bg:#222;
  --light-text:#ccc;
  --border-radius: 4px;
  --shadow: 0 2px 10px rgba(0,0,0,0.05);
}
* { box-sizing:border-box; }
body {
    font-family:Segoe UI,Arial,sans-serif;
    margin:0;
    background:var(--bg);
    color:var(--text);
}
main { padding: 1rem; }

.container, .header-container, .footer-container, .set-details-container {
    max-width: 2560px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Nagłówki */
.section-header{
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem auto;
    padding: 0 1rem;
}
.section-header h2 {
    font-size: 2rem;
    color: var(--text);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-red);
    margin: 0.8rem auto 0;
    border-radius: 2px;
}
.section-header p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

/* Nagłówek */
.main-header {
    background: white;
    border-bottom: 1px solid #eee;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-container .logo img {
    height: 45px;
    width: auto;
    display: block;
}
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

/* Przyciski */
.btn, .btn-outline, .slider-btn, .tab-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn {
    background-color: var(--accent-red);
    color: white;
}
.btn:hover {
    background-color: var(--accent-yellow);
    color: var(--accent-red);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    border: 1px solid #ccc;
    color: var(--medium-text);
    min-width: 120px;
}
.btn-outline:hover {
    border-color: var(--accent-yellow);
    color: var(--accent-red);
    transform: translateY(-1px);
}
.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    max-width: 300px;
}
.btn-full { width: 100%; }
.btn-owned { background-color: #4CAF50 !important; }
.btn-owned:hover { background-color: #45a049 !important; }
.btn-wishlist-active {
    background-color: #E91E63 !important;
    color: white !important;
    border-color: #E91E63 !important;
    font-size: 1.1rem !important;
}
.btn-wishlist-active:hover { background-color: #C2185B !important; }

/* Karty zestawów */
.set-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    background: white;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
    min-height: 420px;
    position: relative;
}
.set-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-color: var(--accent-yellow);
}
.set-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    margin-bottom: 1rem;
}
.set-category, .set-category-badge {
    color: var(--accent-red);
    font-weight: 700;
    text-transform: uppercase;
    display: block;
}
.set-category {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    min-height: 1.2em;
}
.set-card h3 {
    font-size: 1.1rem;
    margin: 0.4rem 0;
    color: var(--text);
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}
.set-year {
    display: block;
    font-size: 0.9rem;
    color: var(--medium-text);
    margin-bottom: 0.5rem;
    font-weight: 500;
    min-height: 1.2em;
}
.set-meta {
    font-size: 0.9rem;
    color: var(--medium-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
    width: 100%;
    min-height: 1.4em;
}
.set-number, .set-pieces {
    position: absolute;
    padding: 0 2rem;
}
.set-number { left: 0; }
.set-pieces { right: 0; }
.set-card-actions, .details-actions {
    margin-top: auto;
    padding-top: 1rem;
    width: 100%;
}
.details-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}
.primary-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.primary-actions button {
    flex: 1;
    min-width: 200px;
}
.rebrickable-link {
    border: 1px solid #eee;
    text-align: center;
    color: var(--medium-text);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem;
    width: 100%;
    display: block;
}
.rebrickable-link:hover {
    color: var(--accent-red);
    text-decoration: underline;
}

/* Baner Powitalny */
.hero-section {
    background: linear-gradient(135deg, #222 0%, #333 100%);
    color: white;
    padding: 1rem 1rem 4rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: repeating-linear-gradient(
        45deg,
        var(--accent-yellow),
        var(--accent-yellow) 20px,
        var(--accent-red) 20px,
        var(--accent-red) 40px
    );
}
.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.highlightred { color: var(--accent-red); }
.highlightyellow { color: var(--accent-yellow); }
.hero-subtitle {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

/* Slider */
.slider-wrapper {
    position: relative;
    padding: 0 50px;
    margin: 2rem 0;
}
.slider-track {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 0.3rem 0 1rem;
    scrollbar-width: thin;
}
.slider-track .set-card {
    flex: 0 0 332px;
    scroll-snap-align: start;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    z-index: 10;
    font-size: 1.2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.slider-btn:hover {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
}
.slider-btn.prev { left: 0; }
.slider-btn.next { right: 0; }
.slider-footer { text-align: center; margin-top: 1rem; }

/* O serwisie */
.about-section {
    padding: 1.5rem 2rem;
    background-color: white;
    margin-top: 2rem;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}
.feature-box {
    background: var(--bg);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    border-bottom: 4px solid transparent;
    transition: transform 0.3s, border-color 0.3s;
}
.feature-box:hover {
    transform: translateY(-5px);
    border-bottom-color: var(--accent-yellow);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.feature-box:hover .feature-icon { color: var(--accent-yellow); }
.feature-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
    color: var(--accent-red);
}
.feature-box h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text);
}
.feature-box p {
    color: var(--medium-text);
    font-size: 0.9rem;
    margin: 0;
}

/* Stopka */
.main-footer {
    text-align:center;
    font-size:0.9rem;
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 1.5rem 2rem 1rem;
    margin-top: auto;
    border-top: 4px solid var(--accent-red);
}
.footer-container {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}
.footer-col h3 {
    color: white;
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-left: 3px solid var(--accent-yellow);
    padding-left: 0.8rem;
}
.footer-col p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}
.footer-logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    margin: 0.5rem 0 1rem;
    justify-content: center;
}
.footer-logo-link img { height: 85px; width: auto; }
.footer-links, .authors-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a, .legal-col a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.2s, padding-left 0.2s;
}
.footer-links a:hover, .legal-col a:hover {
    color: var(--accent-yellow);
    padding-left: 5px;
}
.social-media {
    display: flex;
    gap: 0.8rem;
    margin: 0.3rem 0 0.5rem;
    justify-content: center;
}
.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background: #333;
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: bold;
    transition: 0.3s;
}
.social-media a:hover {
    background: var(--accent-red);
    transform: translateY(-3px);
}
.disclaimer {
    font-size: 0.75rem !important;
    color: #777;
    margin-top: 1rem;
}

/* Katalog */
.catalog-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.catalog-sidebar {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    height: fit-content;
}
.catalog-sidebar h3 {
    margin-top: 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-yellow);
    margin-bottom: 1.5rem;
}
.catalog-grid {
    display: grid;
    gap: 1.5rem;
    padding: 1rem 0;
    grid-template-columns: 1fr;
}
.filter-group { margin-bottom: 1.5rem; }
.filter-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: #444;
}
.filter-group input[type="text"],
.filter-group input[type="number"],
.filter-group select,
.sidebar-search-box input,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.95rem;
}
.filter-group input:focus,
.sidebar-search-box input:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-red);
    outline: none;
}
.range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.range-inputs span {
    font-weight: bold;
    color: #999;
}
.filter-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 2rem;
}
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}
.count-badge {
    background: #eee;
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    color: #555;
    font-weight: bold;
}
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}
#page-info {
    font-weight: 600;
    color: var(--medium-text);
}
.pagination-container button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #eee;
    color: #ccc;
}

/* Szczegóły zestawu */
.set-details-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}
.details-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.details-image img {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}
.details-info h1 {
    font-size: 2rem;
    margin: 0.5rem 0 1.5rem 0;
    color: var(--text);
}
.set-category-badge {
    background: var(--accent-yellow);
    padding: 0.25rem 0.8rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    display: inline-block;
}
.details-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 1rem 0 2rem;
    padding: 1rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}
.meta-item strong {
    display: block;
    color: var(--medium-text);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

/* Moja kolekcja */
.collection-grid { max-width: 2560px; }
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 8px;
    border: 2px dashed #ddd;
}
.empty-state h3 {
    color: var(--medium-text);
    margin-bottom: 1rem;
}
.header-actions {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

/* Giełda */
.market-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}
.market-section-header { margin-bottom: 1.5rem; }
.tab-btn {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--medium-text);
    border-bottom: 3px solid transparent;
}
.tab-btn.active {
    color: var(--text);
    font-weight: bold;
    border-bottom-color: var(--accent-red);
}
.tab-btn:hover { color: var(--accent-red); }
.generator-layout {
    display: grid;
    gap: 2rem;
}
.generator-sidebar {
    background: white;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 600px;
    overflow-y: auto;
}
.sidebar-search-box {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}
.sellable-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background 0.2s;
}
.sellable-item:hover { background: #f9f9f9; }
.sellable-item.selected {
    background: #fff8e1;
    border-left: 3px solid var(--accent-yellow);
}
.sellable-item img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}
.sellable-info h4 {
    margin: 0;
    font-size: 0.9rem;
}
.generator-form-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.selected-set-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #f4f4f4;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-red);
}
.selected-set-info img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}
.selected-set-info h4 { margin: 0; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.output-area {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px dashed #ccc;
}
.output-area textarea {
    width: 100%;
    height: 200px;
    background: #fafafa;
    border: 1px solid #ddd;
    padding: 1rem;
    font-family: monospace;
    margin-bottom: 1rem;
}
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    background: #fff;
    padding: 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 2rem;
    align-items: flex-end;
}
.filter-control {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.filter-control label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--medium-text);
    text-transform: uppercase;
}
.filter-control select {
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    background-color: #fafafa;
    cursor: pointer;
}
.filter-control select:hover { border-color: var(--accent-red); }

/* Kontakt */
.contact-layout {
    display: grid;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
.contact-info-card, .contact-form-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}
.contact-info-card h3 {
    margin-top: 0;
    color: var(--accent-red);
    border-bottom: 2px solid var(--accent-yellow);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}
.contact-desc {
    color: var(--medium-text);
    margin-bottom: 1.5rem;
}
.contact-list {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}
.contact-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}
.contact-list .icon {
    font-size: 1.4rem;
    margin-right: 1rem;
    min-width: 25px;
}
.contact-list a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}
.contact-list a:hover { color: var(--accent-red); }
.form-group { margin-bottom: 1.2rem; }
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}
.success-message { text-align: center; padding: 1rem 0; }

/* Menu typu hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

/* Responsywność */
/* Tablet (768px+) */
@media (min-width: 768px) {
    .hero-content h1 { font-size: 3rem; }
    .hero-actions { flex-direction: row; }
    .btn-lg { width: auto; }

    .set-card img { height: 160px; }
    .set-card h3 { min-height: 3.2rem; }
    .set-number, .set-pieces { padding-left: 4rem; }

    .slider-track .set-card { flex: 0 0 calc(50% - 1rem); min-height: 420px; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }

    .main-footer { text-align: left; }
    .footer-container {
        justify-items: start;
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-logo-link, .social-media { justify-content: flex-start; }

    .contact-layout {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }
}
/* Tablet/desktop (992px+) */
@media (min-width: 992px) {
    .set-card { min-height: 400px; }
    .set-card img { height: 150px; }
    .set-card h3 { -webkit-line-clamp: 2; }

    .slider-track .set-card { flex: 0 0 calc(33.333% - 1rem); min-height: 400px; }
    .catalog-grid { grid-template-columns: repeat(3, 1fr); }

    .footer-container { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; }

    .set-details-container {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .generator-layout {
        grid-template-columns: 300px 1fr;
        align-items: start;
    }
}
/* Desktop (1200px+) */
@media (min-width: 1200px) {
    main {
        display: grid;
        grid-template-columns: 250px 1fr;
        gap: 2rem;
    }
    body.home main,
    body.set-details-page main,
    body.collection-page main,
    body.contact-page main,
    body.market-page main{
        display: block;
    }

    .set-card { min-height: 380px; }
    .set-card img { height: 140px; }
    .set-number, .set-pieces { padding-left: 2rem; }

    .slider-track .set-card { flex: 0 0 280px; min-height: 380px; }

    body.catalog-page main {
        display: block;
        max-width: 2560px;
        margin: 0 auto;
        padding: 1rem 1.5rem;
    }
    .catalog-layout {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 2rem;
    }
    .catalog-sidebar {
        position: sticky;
        top: 90px;
    }
    .catalog-grid { grid-template-columns: repeat(4, 1fr); }
    .catalog-grid .set-card { min-height: 400px; }
    .catalog-grid .set-card img { height: 150px; }
}

/* Działanie menu hamburger na mobile */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: auto;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        background-color: white;
        transition: 0.4s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-top: 1px solid #eee;
        z-index: 1001;
    }
    .main-nav.active { left: 0; }
    .menu-overlay {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 900;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease;
        backdrop-filter: blur(2px);
    }
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
        width: 100%;
        text-align: center;
        margin: 1.5rem 0;
    }
    .main-nav a {
        font-size: 1.5rem;
        width: 80%;
        text-align: center;
        max-width: 300px;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}