/* --- Trang Marketplace --- */
.marketplace-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2.5rem; padding: 2.5rem 0; }
.main-content { display: flex; flex-direction: column; gap: 3rem; min-width: 0; }

/* ----- Nav Mới của Marketplace ----- */
.marketplace-nav { background-color: var(--card-bg); border-radius: 12px; padding: 0.5rem; margin-bottom: -1.5rem; }
.marketplace-nav > ul { list-style: none; display: flex; align-items: center; gap: 0.5rem; }
.marketplace-nav li { list-style: none; position: relative; }
.nav-button { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.2rem; border-radius: 8px; font-weight: 600; color: var(--text-muted); text-decoration: none; transition: all 0.3s ease; white-space: nowrap; cursor: pointer; }
.nav-button i { font-size: 0.7rem; transition: transform 0.3s ease; }
.nav-button:hover, .nav-button.active, .has-dropdown.active > .nav-button { color: var(--text-light); background-color: var(--primary-purple); }
.pro-badge { background-color: var(--gold); color: var(--dark-bg); font-size: 0.7rem; font-weight: 700; padding: 0.2rem 0.5rem; border-radius: 6px; margin-left: 0.5rem; }

/* Dropdown Menu */
/* THAY ĐỔI BẮT ĐẦU: Chuyển từ :hover sang .active */
.dropdown-menu { 
    list-style: none; 
    position: absolute; 
    top: 100%; 
    left: 0; 
    background-color: #1c1c1c; 
    border: 1px solid var(--border-color); 
    border-radius: 8px; 
    margin-top: 0.5rem; 
    padding: 0.5rem; 
    z-index: 100; 
    min-width: 220px; 
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}
.has-dropdown.active > .nav-button i { transform: rotate(180deg); }
.has-dropdown.active .dropdown-menu { 
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* Xóa bỏ .has-dropdown:hover vì đã dùng JS */
/* THAY ĐỔI KẾT THÚC */

.dropdown-menu a { display: block; padding: 0.75rem 1rem; border-radius: 6px; color: var(--text-muted); transition: all 0.3s ease; }
.dropdown-menu a:hover { background-color: var(--primary-purple); color: var(--text-light); }


.category-filters { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.search-bar-container { position: relative; }
.search-bar-container .search-icon { position: absolute; top: 50%; left: 1.5rem; transform: translateY(-50%); color: var(--text-muted); font-size: 1.1rem; }
.search-bar-container .search-input { width: 100%; padding: 1rem 1rem 1rem 4rem; background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; color: var(--text-light); font-size: 1rem; font-family: 'Inter', sans-serif; transition: border-color 0.3s ease; }
.search-bar-container .search-input::placeholder { color: var(--text-muted); }
.search-bar-container .search-input:focus { outline: none; border-color: var(--primary-purple); }

.marketplace-hero-carousel { border-radius: 16px; overflow: hidden; height: 400px; }
.hero-slides { height: 100%; scroll-snap-type: x mandatory; }
.hero-slide { flex: 0 0 100%; height: 100%; position: relative; scroll-snap-align: start; width: 100%; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem; background: linear-gradient(to top, rgba(0,0,0,0.85), transparent); display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
.hero-overlay h2 { font-size: 2.5rem; font-weight: 800; }
.hero-overlay p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 1rem; }

.market-section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.market-section-header h3 { font-size: 1.75rem; }
.title-and-filters { display: flex; align-items: center; gap: 2rem; }
.sub-filters { display: flex; gap: 0.75rem; }
.sub-filter-btn { background: none; border: none; color: var(--text-muted); font-size: 1rem; padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; transition: all 0.3s ease; }
.sub-filter-btn.active, .sub-filter-btn:hover { background: var(--btn-secondary-bg); color: var(--text-light); }
.view-all-btn { color: var(--text-muted); font-weight: 500; display: flex; align-items: center; gap: 0.5rem; }
.view-all-btn:hover { color: var(--secondary-blue); }

#auction-grid, #hot-grid { grid-auto-columns: calc((100% / 3) - 1rem); gap: 1.5rem; padding: 0.5rem;}
#seller-grid { grid-auto-columns: calc((100% / 5) - 1.2rem); gap: 1.5rem; padding: 0.5rem;}

.event-card { display: block; text-decoration: none; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.event-card:hover { transform: translateY(-5px); border-color: var(--primary-purple); box-shadow: 0 8px 25px rgba(143, 0, 255, 0.25); }
.event-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.event-card-info { padding: 1.25rem; }
.event-card .event-title { font-size: 1.1rem; font-weight: 600; margin: 0 0 0.5rem 0; color: var(--text-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.event-card .event-price { font-size: 1rem; font-weight: 600; color: var(--gold); }
.auction-card-new .card-image-container { position: relative; }
.auction-card-new .auction-badge-bids { position: absolute; bottom: 10px; left: 10px; background-color: rgba(0,0,0,0.7); color: var(--text-light); padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.auction-card-new .auction-timer { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.auction-badge-bids i, .auction-timer i { margin-right: 0.5rem; }

.seller-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 1.5rem; text-align: center; position: relative; transition: all 0.3s ease;}
.seller-card:hover { transform: translateY(-5px); border-color: var(--secondary-blue); box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25); }
.seller-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 1rem auto; border: 2px solid var(--border-color); }
.seller-card h4 { font-size: 1.1rem; margin-bottom: 0.25rem; }
.seller-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.seller-rating { font-size: 0.9rem; color: var(--text-muted); }
.seller-rating .fa-star { color: var(--gold); }
.verified-tick { color: var(--secondary-blue); font-size: 1rem; }

.sidebar { position: sticky; top: 100px; align-self: start; }
.top-collections-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; padding: 1.5rem; }
.top-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.top-header h3 { font-size: 1.25rem; }
.time-filters { background: var(--btn-secondary-bg); border-radius: 8px; padding: 0.25rem; display: flex; }
.time-filter-btn { background: none; border: none; color: var(--text-muted); font-weight: 600; padding: 0.25rem 0.75rem; border-radius: 6px; cursor: pointer; transition: all 0.2s ease; }
.time-filter-btn.active, .time-filter-btn:hover { background: var(--dark-bg); color: var(--text-light); }
.top-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.top-item-row { display: grid; grid-template-columns: 20px 40px 1fr auto; align-items: center; gap: 1rem; font-size: 0.9rem; }
.top-item-row .rank { font-weight: 600; color: var(--text-muted); }
.top-item-row .item-thumb { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }
.top-item-row .item-info { display: flex; flex-direction: column; overflow: hidden; }
.top-item-row .item-name { font-weight: 500; color: var(--text-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-item-row .item-price { font-size: 0.85rem; color: var(--text-muted); }
.top-item-row .item-change { font-weight: 600; text-align: right; }
.item-change.positive { color: var(--green); }
.item-change.negative { color: var(--pink); }

/* --- Responsive cho trang marketplace --- */
@media (max-width: 1024px) {
    .marketplace-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; margin-top: 2rem; }
    #auction-grid, #hot-grid { grid-auto-columns: calc((100% / 2) - 1rem); }
    #seller-grid { grid-auto-columns: calc((100% / 4) - 1rem); }
    .marketplace-nav > ul { flex-wrap: wrap; }
}
@media (max-width: 767px) {
    .marketplace-layout { gap: 1.5rem; padding: 1.5rem 0; }
    .title-and-filters { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .hero-overlay h2 { font-size: 1.8rem; }
    .hero-overlay p { font-size: 1rem; }
    #auction-grid, #hot-grid { grid-auto-columns: 80%; }
    #seller-grid { grid-auto-columns: 60%; }
}