/* ===== Block 1 ===== */
:root {
    --dark-dashboard-1: #1C2526;
    --dark-dashboard-2: #2E3A3B;
    --accent-cyan: #33C1CF;
    --hover-cyan: #069BAA;
    --text-light: #D3D8D9;
    --metallic-accent: #3F4E50;
    --content-bg-1: #f5f7fa;
    --content-bg-2: #e4e9f0;
    --offer-bg: #FFF5B7;
    --timer-red: #940924;
    --success-green: #28A745;
    --border-gray: #E0E0E0;
    --card-bg: #2A3738;
    --card-border: #4A5A5C;
}

.category-chips, .filter-section, .product-slider {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.category-slider {
    display: grid;
    grid-auto-flow: column;
    gap: 12px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
}

.category-slider::-webkit-scrollbar { display: none; }

.category-chip {
    background: rgba(63, 78, 80, 0.4);
    border: 1px solid var(--metallic-accent);
    border-radius: 24px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
    text-align: center;
}

.category-chip.active {
    background: var(--accent-cyan);
    color: #fff;
    border-color: var(--accent-cyan);
}

.category-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: none;
    color: var(--text-light);
}

.category-nav.prev { left: -20px; }
.category-nav.next { right: -20px; }
.category-chips:hover .category-nav { display: block; }

.filter-section {
    background: rgba(63, 78, 80, 0.4);
    border: 1px solid var(--metallic-accent);
    border-radius: 8px;
}

.filter-btn {
    background: rgba(63, 78, 80, 0.4);
    border: 1px solid var(--metallic-accent);
    border-radius: 2px;
    padding: 10px 20px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
}

.filter-curtain {
    position: fixed;
    top: 20%;
    right: -350px;
    width: 320px;
    height: 60%;
    background: var(--dark-dashboard-2);
    box-shadow: -4px 0 12px rgba(0,0,0,0.3);
    padding: 20px;
    overflow-y: auto;
    transition: right 0.3s ease;
    z-index: 1100;
    border-radius: 8px;
    border: 1px solid var(--metallic-accent);
}

.filter-curtain.active { right: 20px; }

.filter-curtain .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-light);
}

.filter-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1099;
}

.filter-group { margin-bottom: 15px; }

.filter-group h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
}

.filter-subgroup { margin-left: 15px; margin-bottom: 10px; }

.filter-subgroup label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--text-light);
}

.filter-search {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--metallic-accent);
    border-radius: 4px;
    margin-bottom: 15px;
    box-sizing: border-box;
    background: var(--dark-dashboard-1);
    color: var(--text-light);
}

.filter-search:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.product-slider {
    position: relative;
    margin-bottom: 40px;
    background: rgba(63, 78, 80, 0.4);
    border: 1px solid var(--metallic-accent);
    border-radius: 8px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.slider-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-light);
}

.see-all-btn {
    font-size: 14px;
    color: var(--accent-cyan);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.see-all-btn:hover {
    background-color: var(--accent-cyan);
    color: #fff;
}

.slider-container {
    display: grid;
    grid-auto-flow: column;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
}

.slider-container::-webkit-scrollbar { display: none; }

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    padding: 15px;
    width: 220px;
    transition: transform 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.product-image {
    width: 100%;
    height: 180px;
    background: var(--dark-dashboard-2);
    border-radius: 8px;
    margin-bottom: 12px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: filter 0.3s ease;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 8px;
}

.product-price {
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-cyan);
}

.buy-btn {
    background: linear-gradient(135deg, #C73E1D, #E86B4F);
    border: none;
    color: #fff;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    position: relative;
    transition: all 0.3s ease;
    width: 100%;
}

.buy-btn:hover {
    background: linear-gradient(135deg, #B0361A, #D45F43);
    filter: brightness(1.1);
}

.buy-btn.added {
    background: var(--success-green);
}

.buy-btn.added::after {
    content: '✓';
    position: absolute;
    right: 8px;
    font-size: 16px;
}

.buy-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: none;
    color: var(--text-light);
}

.slider-nav.prev { left: -20px; }
.slider-nav.next { right: -20px; }
.product-slider:hover .slider-nav { display: block; }

.product-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(124, 58, 237);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid transparent;
    flex-shrink: 0;
    text-transform: uppercase;
    transition: background-color 0.2s ease;
    z-index: 1;
}

.product-badge:hover {
    background-color: rgb(109, 40, 217);
}

.category-detail {
    font-size: 12px;
    color: var(--text-light);
    opacity: 0.7;
    text-transform: capitalize;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
}

.author-detail {
    font-size: 12px;
    color: var(--text-light);
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 8px;
}

@media (max-width: 767px) {
    .category-chips, .filter-section, .product-slider {
        padding: 10px;
    }

    .category-slider {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        grid-template-rows: repeat(2, auto);
        gap: 8px;
        scroll-snap-type: x mandatory;
    }

    .category-chip {
        font-size: 12px;
        padding: 8px 10px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .category-chip.active {
        padding: 16px 10px;
        height: 48px;
    }

    .category-nav, .slider-nav { display: none !important; }

    .filter-curtain {
        width: 100%;
        height: 70%;
        right: -100%;
        border-radius: 0;
    }

    .filter-curtain.active { right: 0; }

    .product-card {
        width: 180px;
    }

    .slider-title {
        font-size: 14px;
    }

    .product-price { font-size: 12px; }

    .buy-btn {
        font-size: 12px;
        padding: 6px 10px;
    }

    .category-detail, .author-detail, .product-badge {
        font-size: 10px;
        padding: 3px 6px;
    }

    .filter-search { font-size: 12px; padding: 6px 10px; }

    .see-all-btn { font-size: 12px; padding: 4px 8px; }

    .product-slider { margin-bottom: 0px; }
}

@media (min-width: 768px) {
    .category-slider {
        grid-template-columns: none;
        grid-template-rows: none;
    }

    .category-chip {
        height: auto;
    }
}