/* RESET & BASE */
:root {
    --bg-dark: #090d16;
    --bg-surface: rgba(17, 25, 40, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.15);
    
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --primary-hover: #4f46e5;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-darker: #64748b;
    
    --accent-male: #0ea5e9;
    --accent-female: #ec4899;
    --accent-unisex: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --glass-blur: blur(16px);
    --font-outfit: 'Outfit', sans-serif;
    --font-jakarta: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-jakarta);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* BACKGROUND DECORATIONS */
.glass-bg-decor {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.3;
}

.glass-bg-decor.1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.glass-bg-decor.2 {
    width: 600px;
    height: 600px;
    background: var(--accent-male);
    bottom: -200px;
    left: -200px;
}

/* APP LAYOUT */
.app-container {
    display: flex;
    min-height: 100vh;
    padding: 24px;
    gap: 24px;
    max-width: 1800px;
    margin: 0 auto;
}

/* SIDEBAR STYLES */
.sidebar {
    width: 320px;
    flex-shrink: 0;
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    height: calc(100vh - 48px);
    position: sticky;
    top: 24px;
    overflow: hidden; /* Cố định sidebar ngoài, không cuộn */
}

.sidebar-header {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 16px;
}

.sidebar-content {
    flex-grow: 1;
    overflow-y: auto; /* Chỉ cuộn phần nội dung bộ lọc */
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-right: 4px;
}

.sidebar-content::-webkit-scrollbar {
    width: 4px;
}
.sidebar-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo .icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary), var(--accent-male));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-logo h2 {
    font-family: var(--font-outfit);
    font-size: 22px;
    font-weight: 700;
}

.brand-logo h2 span {
    font-weight: 400;
    color: var(--text-muted);
}

/* FILTER GROUP */
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-group label {
    font-family: var(--font-outfit);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* SEARCH BOX */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 44px 14px 16px;
    color: var(--text-main);
    font-size: 14px;
    font-family: var(--font-jakarta);
    outline: none;
    transition: var(--transition);
}

.filter-dropdown {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-main);
    font-family: var(--font-jakarta);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.filter-dropdown:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.filter-dropdown option {
    background: #0f1524;
    color: var(--text-main);
}


.search-box input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 12px var(--border-glow);
}

#clear-search {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: none;
    font-size: 16px;
    transition: var(--transition);
}

#clear-search:hover {
    color: var(--accent-danger);
}

/* GENDER FILTERS */
.gender-filters {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gender-btn {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-muted);
    font-family: var(--font-jakarta);
    font-size: 13px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.gender-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.gender-btn.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.05));
    border-color: var(--primary);
    color: var(--text-main);
    box-shadow: 0 4px 16px var(--border-glow);
    font-weight: 600;
}

/* CHECKBOX CONTAINER */
.checkbox-container {
    display: block;
    position: relative;
    padding-left: 32px;
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    user-select: none;
    transition: var(--transition);
    color: var(--text-muted);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    background-color: rgba(255, 255, 255, 0.1);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ span {
    color: var(--text-main) !important;
}

.text-warning { color: var(--accent-warning) !important; }
.text-info { color: var(--accent-male) !important; }
.text-success { color: var(--accent-unisex) !important; }
.text-danger { color: var(--accent-danger) !important; }

/* BRAND SECTION */
.brand-search-box input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    margin-bottom: 8px;
    transition: var(--transition);
}

.brand-search-box input:focus {
    border-color: var(--primary);
}

.brand-list-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 4px;
}

.brand-list-wrapper::-webkit-scrollbar {
    width: 3px;
}
.brand-list-wrapper::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
}

.brand-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.brand-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.brand-item.active {
    background: var(--primary-glow);
    color: var(--text-main);
}

.brand-item span.count {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

/* MAIN CONTENT LAYOUT */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: calc(100% - 344px);
}

/* MAIN HEADER */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.header-title h1 {
    font-family: var(--font-outfit);
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* QUICK STATS */
.quick-stats {
    display: flex;
    gap: 16px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 180px;
}

.stat-icon {
    font-size: 24px;
    color: var(--primary);
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-info .num {
    font-family: var(--font-outfit);
    font-size: 20px;
    font-weight: 700;
}

.stat-info .label {
    font-size: 12px;
    color: var(--text-muted);
}

/* TAB NAVIGATION */
.tab-navigation {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-outfit);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 24px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    box-shadow: 0 0 10px var(--primary);
}

/* TAB CONTENT PANELS */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.tab-content.active {
    display: flex;
}

/* TOOLBAR */
.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
}

.results-count {
    color: var(--text-muted);
    font-size: 14px;
}

.results-count span {
    font-weight: 700;
    color: var(--text-main);
}

.toolbar-right {
    display: flex;
    gap: 16px;
}

.btn {
    background: var(--primary);
    color: var(--text-main);
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    font-family: var(--font-outfit);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.35);
}

.sort-dropdown {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-main);
    font-family: var(--font-jakarta);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.sort-dropdown:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.sort-dropdown option {
    background: #0f1524;
    color: var(--text-main);
}

/* PRODUCT GRID & CARD STYLES */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.loading-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px;
    gap: 16px;
    color: var(--text-muted);
}

.loading-state i {
    font-size: 44px;
    color: var(--primary);
}

/* PRODUCT CARD */
.product-card {
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.card-img-wrapper {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    background: #0f1524;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .card-img-wrapper img {
    transform: scale(1.08);
}

/* CARD GENDER BADGES */
.gender-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 12px;
    border-radius: 30px;
    font-family: var(--font-outfit);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.gender-badge.LNM {
    background: var(--accent-male);
    color: white;
}
.gender-badge.LNF {
    background: var(--accent-female);
    color: white;
}
.gender-badge.LNU {
    background: var(--accent-unisex);
    color: white;
}

/* CARD ACTION SELECTOR */
.card-select-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
}

.card-select-btn.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 10px var(--primary);
}

.product-info-wrapper {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 12px;
}

.brand-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.product-title {
    font-family: var(--font-outfit);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

/* SPECIAL NOTES BADGES */
.special-badges-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
}

.badge-special {
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-special.mop { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-special.unbox { background: rgba(14, 165, 233, 0.15); color: var(--accent-male); border: 1px solid rgba(14, 165, 233, 0.3); }
.badge-special.seal { background: rgba(16, 185, 129, 0.15); color: var(--accent-unisex); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-special.cap { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); border: 1px solid rgba(239, 68, 68, 0.3); }

/* CHIPS FOR SIZE/VARIANTS */
.size-chips-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0;
}

.variant-chip {
    padding: 6px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    font-family: var(--font-outfit);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.variant-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.variant-chip.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(99, 102, 241, 0.08));
    border-color: var(--primary);
    color: var(--text-main);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.15);
}

/* PRICE TAGS */
.price-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.price-box {
    display: flex;
    flex-direction: column;
}

.price-box .price-lbl {
    font-size: 11px;
    color: var(--text-muted);
}

.price-box .price-val {
    font-family: var(--font-outfit);
    font-size: 20px;
    font-weight: 800;
    color: var(--accent-warning);
}

.price-box .original-price {
    font-size: 12px;
    color: var(--text-darker);
    text-decoration: line-through;
    margin-bottom: 2px;
}

.sku-badge {
    font-family: var(--font-outfit);
    font-size: 11px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 6px;
    color: var(--text-muted);
}

/* ALERTS */
.alert-box {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 12px;
}

.alert-box .icon {
    font-size: 24px;
    margin-top: 2px;
}

.alert-box h4 {
    font-family: var(--font-outfit);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.alert-box p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.4;
}

.warning-alert {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-warning);
}

.error-alert {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

/* PREMIUM TABLES */
.table-wrapper {
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.premium-table th, .premium-table td {
    padding: 16px 20px;
    font-size: 14px;
}

.premium-table th {
    background: rgba(255, 255, 255, 0.02);
    font-family: var(--font-outfit);
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.premium-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-main);
}

.premium-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

.premium-table .file-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 12px;
}

.premium-table .file-link:hover {
    text-decoration: underline;
}

/* UNPROCESSED GRID & ITEM */
.unprocessed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.unprocessed-card {
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.unprocessed-card .file-path {
    font-family: var(--font-outfit);
    font-size: 13px;
    color: var(--text-muted);
    word-break: break-all;
}

.unprocessed-card .reason-tag {
    align-self: flex-start;
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
    text-transform: uppercase;
}

.unprocessed-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 12px;
    background: #0f1524;
}

/* TOAST NOTIFICATION */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--primary);
    padding: 16px 24px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 20px;
    color: var(--accent-unisex);
}

.toast-message {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}