:root {
    --bg-main: #050505; 
    --bg-card: #121212; 
    --bg-hover: #1E1E1E; 
    --border-color: #2C2C2C;
    --text-muted: #808080; 
    --primary: #E60000; 
    --accent: #FF1A1A; 
    --text-main: #FFFFFF;
}

body { 
    background: var(--bg-main); 
    color: var(--text-main); 
    font-family: 'Poppins', sans-serif; 
    margin: 0; 
}

/* ROZCIĄGNIĘCIE NA CAŁY EKRAN I ODSTĘP OD NAVBARA */
.product-details-main {
    padding: 140px 4vw 4vw 4vw; 
    max-width: 1600px; /* Szerszy kontener, by ładnie wypełnić duże ekrany */
    margin: 0 auto;
    min-height: 100vh;
}

.back-btn {
    background: var(--bg-hover); color: var(--text-main); border: 1px solid var(--border-color);
    padding: 8px 16px; border-radius: 8px; text-decoration: none; font-weight: 600;
    display: flex; align-items: center; gap: 8px; transition: 0.3s;
}
.back-btn:hover { background: var(--primary); border-color: var(--primary); transform: translateX(-5px); }

.status-msg { text-align: center; font-size: 1.5rem; font-weight: 700; color: var(--text-muted); margin-top: 10vh; }
.error-msg { color: var(--primary); }

/* GŁÓWNY GRID - ASYMETRYCZNE PROPORCJE */
.product-grid {
    display: grid;
    /* Zdjęcie dostaje max 480px, reszta przestrzeni idzie na dane (1fr) */
    grid-template-columns: minmax(350px, 480px) 1fr;
    gap: 60px;
    align-items: start;
    animation: fadeIn 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ================== LEWA KOLUMNA (ZDJĘCIA I WARIANTY) ================== */
.left-column { 
    display: flex; 
    flex-direction: column; 
    gap: 20px; 
    position: sticky; 
    top: 100px; 
}

.main-image-container {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; overflow: hidden; position: relative; aspect-ratio: 1/1;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); cursor: zoom-in;
    width: 100%; /* Dopasuje się do szerokości kolumny (max 480px) */
}
.main-image-container img#pd-main-img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: 0.3s; }

.badge.quality {
    position: absolute; top: 15px; left: 15px; background: rgba(0,0,0,0.85); backdrop-filter: blur(10px);
    color: #FFD700; border: 1px solid var(--border-color); padding: 6px 12px;
    border-radius: 8px; font-weight: 700; font-size: 0.9rem; z-index: 10;
}
.badge.views {
    position: absolute; bottom: 15px; right: 15px; background: rgba(0,0,0,0.7); backdrop-filter: blur(5px);
    color: #FFF; border: 1px solid rgba(255,255,255,0.2); padding: 6px 12px;
    border-radius: 8px; font-weight: 600; font-size: 0.85rem; z-index: 10;
}
.zoom-hint {
    position: absolute; bottom: -40px; left: 50%; transform: translateX(-50%);
    background: rgba(230, 0, 0, 0.9); color: white; padding: 6px 12px; border-radius: 6px;
    font-size: 0.85rem; font-weight: 600; opacity: 0; transition: 0.3s; pointer-events: none;
}
.main-image-container:hover .zoom-hint { bottom: 15px; opacity: 1; }

.qc-section { background: var(--bg-card); padding: 15px; border-radius: 12px; border: 1px solid var(--border-color); }
.qc-gallery { 
    display: flex; 
    flex-wrap: wrap; /* To sprawia, że zdjęcia lecą w dół w gridzie */
    gap: 10px; 
    padding-bottom: 0; 
}

.qc-thumb {
    width: 75px; height: 75px; /* Optymalny rozmiar dla siatki zdjęć */
    border-radius: 8px; border: 2px solid transparent;
    object-fit: cover; cursor: pointer; transition: 0.2s; background: var(--bg-hover);
}
.qc-thumb:hover { border-color: var(--text-muted); }
.qc-thumb.active { border-color: var(--primary); transform: scale(1.05); }

/* WARIANTY */
.live-variants-section {
    background: transparent; border: none; padding: 0; position: relative; margin-top: 5px;
}
.variants-loader {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-main); z-index: 5; border-radius: 8px;
    color: var(--primary); font-weight: 600; font-size: 0.85rem; gap: 8px;
}
.variant-group { margin-bottom: 15px; }
.variant-group h3 { font-size: 0.85rem; margin: 0 0 8px 0; border: none; padding: 0; display: flex; align-items: center; }
.var-label { color: var(--text-muted); font-weight: 500; font-size: 0.8rem; text-transform: uppercase; }
.var-value { color: #fff; font-weight: 600; margin-left: 6px; font-size: 0.85rem; }

.color-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.color-item {
    width: 45px; height: 45px; border: 1px solid var(--border-color); border-radius: 4px;
    cursor: pointer; overflow: hidden; transition: 0.2s; background: var(--bg-main);
    display: flex; align-items: center; justify-content: center; position: relative;
}
.color-item img { width: 100%; height: 100%; object-fit: cover; }
.color-item:hover { border-color: #888; }
.color-item.active { border-color: var(--primary); border-width: 2px; }
.color-item.active::after {
    content: '✓'; position: absolute; bottom: 0; right: 0; background: var(--primary);
    color: white; font-size: 8px; padding: 1px 3px; border-top-left-radius: 4px; font-weight: bold;
}

.size-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.size-item {
    background: var(--bg-card); border: 1px solid var(--border-color); color: #ccc; 
    padding: 6px 12px; border-radius: 4px; font-size: 0.85rem; cursor: pointer; transition: 0.2s; font-weight: 500;
}
.size-item:hover { border-color: #888; color: #fff; }
.size-item.active { border-color: var(--primary); color: var(--primary); background: rgba(230,0,0,0.1); }

/* ================== PRAWA KOLUMNA (INFO I KUPNO) ================== */
.right-column { 
    display: flex; 
    flex-direction: column; 
    gap: 25px; 
}

.badges-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 5px; align-items: center; }
.category-badge { background: var(--bg-hover); color: var(--text-muted); padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.batch-badge { background: #111; color: #fff; border: 1px solid #333; }

/* Pigułka z logo platformy (1688, Taobao itp.) */
.platform-badge { 
    background: #1a1a1a; border: 1px solid #333; color: #fff; 
    padding: 4px 10px; border-radius: 6px; font-size: 0.8rem; font-weight: 700; 
    display: inline-flex; align-items: center; gap: 6px; 
}

.product-header h1 { font-size: 2.2rem; font-weight: 800; margin: 0 0 10px 0; line-height: 1.2; }

.seller-tag { background: #1a1a1a; border: 1px solid #333; color: #aaa; padding: 4px 10px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; display: inline-flex; align-items: center; }

.price-row { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
.price { font-size: 2.8rem; font-weight: 900; color: var(--primary); }
.favorite-icon-btn {
    background: transparent; border: 1px solid var(--border-color); color: var(--text-muted);
    width: 45px; height: 45px; border-radius: 8px; font-size: 1.4rem; cursor: pointer; transition: 0.3s;
    display: flex; justify-content: center; align-items: center;
}
.favorite-icon-btn:hover { color: var(--primary); border-color: var(--primary); background: rgba(230,0,0,0.1); }

/* NOTATKA OD ADMINA (OPIS) */
.admin-note-section {
    background: rgba(230, 0, 0, 0.05);
    border: 1px dashed var(--primary);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: -10px; /* Lekkie zbliżenie do sekcji kupna */
    animation: fadeIn 0.5s ease;
}
.admin-note-section h3 {
    color: var(--primary);
    font-size: 0.95rem;
    margin-top: 0;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: none;
    padding-bottom: 0;
}
.admin-note-section p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* STATYSTYKI SPECYFIKACJA */
.spec-section h3 { font-size: 1rem; margin-bottom: 15px; padding-bottom: 5px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border-color); padding: 15px; border-radius: 8px; display: flex; align-items: center; gap: 12px; }
.stat-card i { font-size: 1.4rem; color: var(--text-muted); }
.stat-card div { display: flex; flex-direction: column; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.stat-value { font-size: 1rem; font-weight: 700; color: var(--text-main); }
.tags-list { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px;}
.tag-badge { background: rgba(230,0,0,0.1); border: 1px solid var(--primary); color: var(--primary); padding: 4px 10px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; }

/* PRZYCISK KALKULATORA */
.package-calc-action { padding: 15px 0; border-bottom: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 10px; }
.calc-add-btn { background: var(--primary); color: white; border: none; padding: 16px 20px; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: 0.3s; display: flex; align-items: center; gap: 10px; justify-content: center; }
.calc-add-btn:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(230,0,0,0.3); }
.calc-info { font-size: 0.8rem; color: var(--text-muted); text-align: center; }

/* AGENCI */
.agents-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.agents-header h3 { border: none; margin: 0; padding: 0; font-size: 1rem; }
.converter-shortcut { color: var(--text-muted); font-size: 0.85rem; text-decoration: none; transition: 0.3s; }
.converter-shortcut:hover { color: var(--primary); }
.agents-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 15px; }
.agent-link { background: var(--bg-card); border: 1px solid var(--border-color); color: #ddd; padding: 14px 15px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 0.95rem; display: flex; align-items: center; gap: 10px; transition: 0.3s; cursor: pointer; }
.agent-link img { width: 24px; height: 24px; border-radius: 4px; object-fit: contain; }
.agent-link i { margin-left: auto; color: #666; font-size: 0.9rem; transition: 0.3s; }
.agent-link:hover { border-color: var(--text-muted); background: var(--bg-hover); color: #fff; }
.agent-link.kako { grid-column: span 2; background: linear-gradient(135deg, #1f0000, #330000); border-color: var(--primary); color: #fff; text-align: center; justify-content: center; }
.agent-link.kako:hover { background: var(--primary); }
.agent-link.kako:hover i { color: white; }

/* MODAL & PRZEGLĄDARKA ZDJĘĆ */
.custom-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); backdrop-filter: blur(5px); z-index: 9999; display: flex; align-items: center; justify-content: center; }
.modal-content { background: var(--bg-card); border: 1px solid var(--border-color); padding: 40px; border-radius: 16px; width: 90%; max-width: 400px; text-align: center; }
.btn-outline { background: transparent; border: 1px solid var(--text-muted); color: var(--text-main); padding: 10px 20px; border-radius: 8px; cursor: pointer; font-family: 'Poppins', sans-serif;}
.btn-outline:hover { background: var(--bg-hover); }
.btn-primary { background: var(--primary); border: none; color: white; padding: 10px 20px; border-radius: 8px; cursor: pointer; font-weight: 600; font-family: 'Poppins', sans-serif;}
.btn-primary:hover { background: var(--accent); box-shadow: 0 0 15px rgba(230,0,0,0.4); }

.viewer-modal { background: rgba(5, 5, 5, 0.95); flex-direction: column; }
.viewer-controls { 
    position: absolute; 
    bottom: 40px; /* Przeniesione na dół ekranu */
    top: auto; 
    left: 50%; 
    transform: translateX(-50%); /* Idealne wyśrodkowanie */
    display: flex; gap: 15px; 
    background: rgba(18, 18, 18, 0.9); padding: 12px 25px; 
    border-radius: 40px; border: 1px solid var(--border-color); 
    z-index: 10000; backdrop-filter: blur(10px); 
}
.viewer-btn { background: transparent; border: none; color: var(--text-main); font-size: 1.5rem; cursor: pointer; transition: 0.2s; }
.viewer-btn:hover { color: var(--primary); transform: scale(1.1); }
.viewer-btn.close-btn { color: var(--accent); margin-left: 10px; border-left: 1px solid var(--border-color); padding-left: 10px;}
.viewer-content { width: 100%; height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.viewer-content img { max-width: 90%; max-height: 90vh; object-fit: contain; transition: transform 0.3s; border-radius: 8px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: 1fr; gap: 40px; }
    .left-column { position: relative; top: 0; max-width: 600px; margin: 0 auto; width: 100%; }
    .product-details-main { padding-top: 120px; }
    .price { font-size: 2.4rem; }
}
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .agents-grid { grid-template-columns: 1fr; }
    .agent-link.kako { grid-column: span 1; justify-content: flex-start; }
}
/* ================== UDOSTĘPNIANIE & SLIDER ================== */

/* Przycisk Udostępnij */
.share-link-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px dashed var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
    font-size: 0.9rem;
}
.share-link-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(230,0,0,0.05);
    transform: translateY(-2px);
}

/* Sekcja Podobne Produkty */
.similar-products-section {
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    animation: fadeIn 0.8s ease;
}

.similar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.similar-header h3 {
    font-size: 1.4rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.similar-header h3 i {
    color: var(--primary);
}

.slider-controls button {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: #fff;
    width: 45px;
    height: 45px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
    margin-left: 10px;
    font-size: 1.1rem;
}

.slider-controls button:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.similar-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    padding-bottom: 15px;
}

.similar-slider::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

/* Karta w sliderze */
.similar-card {
    flex: 0 0 240px; /* Stała szerokość karty */
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    scroll-snap-align: start;
    text-decoration: none;
    color: #fff;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
}

.similar-card:hover {
    transform: translateY(-5px);
    border-color: #555;
    box-shadow: 0 15px 30px rgba(0,0,0,0.6);
}

.similar-card-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background: #000;
}

.similar-card-info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.similar-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    color: #ccc;
    transition: 0.3s;
}
.similar-card:hover .similar-card-title { color: var(--primary); }

.similar-card-price {
    color: var(--text-main);
    font-weight: 800;
    font-size: 1.3rem;
}

/* ==========================================
   PROFIL SPRZEDAWCY (KARTA)
   ========================================== */
.seller-profile-card {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    padding: 12px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    width: 100%;
}
.seller-profile-card:hover {
    border-color: var(--primary);
    background: rgba(230, 0, 0, 0.05);
    transform: translateY(-2px);
}
.seller-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    background: var(--bg-main);
}
.seller-info-block {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.seller-name {
    font-weight: 800;
    color: var(--text-main);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.seller-badge {
    font-size: 0.65rem;
    color: #fff;
    background: var(--primary);
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.seller-link-btn {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.seller-link-btn:hover {
    background: var(--primary);
    color: white; 
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(230, 0, 0, 0.4);
}

/* ==========================================
   6. RESPONSYWNOŚĆ (PRODUKTY I SPRZEDAWCA)
   ========================================== */

@media (max-width: 768px) {
    /* Sekcja Podobne Produkty */
    .similar-products-section {
        margin-top: 40px;
        padding-top: 30px;
    }

    .similar-header h3 {
        font-size: 1.2rem;
    }

    /* Ukrywamy strzałki na mobile - użytkownicy i tak scrollują gestem (swipe) */
    .slider-controls {
        display: none;
    }

    .similar-slider {
        gap: 15px;
        padding-bottom: 20px;
        /* Pozwalamy wysunąć się kartom poza padding kontenera dla efektu "edge-to-edge" */
        margin-right: -15px; 
    }

    .similar-card {
        flex: 0 0 190px; /* Nieco mniejsze karty na mobile */
    }

    .similar-card-img {
        height: 190px; /* Kwadratowe proporcje zachowane */
    }

    .similar-card-price {
        font-size: 1.1rem;
    }

    /* Profil Sprzedawcy */
    .seller-profile-card {
        padding: 10px;
        gap: 12px;
        flex-wrap: wrap; /* Pozwala przyciskowi przeskoczyć niżej jeśli braknie miejsca */
    }

    .seller-avatar {
        width: 45px;
        height: 45px;
    }

    .seller-name {
        font-size: 1rem;
    }

    .seller-badge {
        font-size: 0.6rem;
        padding: 2px 6px;
    }

    /* Przycisk "Zobacz profil" na mobile */
    .seller-link-btn {
        width: 100%; /* Na bardzo małych ekranach przycisk zajmie całą szerokość pod info */
        justify-content: center;
        margin-top: 5px;
        padding: 10px;
    }

    /* Przycisk udostępniania */
    .share-link-btn {
        width: 100%;
        justify-content: center;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .similar-card {
        flex: 0 0 160px; /* Jeszcze mniejsze karty dla mniejszych telefonów */
    }
    
    .similar-card-img {
        height: 160px;
    }

    .similar-card-title {
        font-size: 0.85rem;
    }
}