/* ====== CSS Variables ====== */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --card-shadow: 0 10px 40px rgba(0,0,0,0.1);
    --hover-shadow: 0 20px 60px rgba(0,0,0,0.2);
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --bg-light: #f8fafc;
    --border-light: rgba(255,255,255,0.2);
}


/* ====== Base Styles ====== */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: "Noto Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Helvetica Neue", sans-serif;
    background: var(--bg-light);
    scroll-behavior: smooth;
}

/* ====== Layout Structure ====== */
.wrapper {
    padding: 0 20px;
    display: flex;
    min-height: 100vh;
    width: 100vw;
    gap: 20px;
}

.sidebar {
    flex: 3;
    background: var(--dark-gradient);
    color: var(--text-light);
    padding: 24px;
    box-sizing: border-box;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 20px;
    height: fit-content;
}

.Main_content {
    flex: 7;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    box-sizing: border-box;
    overflow-y: auto;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    position: relative;
}

.container {
    padding: 24px;
}

/* ====== Typography ====== */
h1 {
    margin: 0;
    color: var(--text-dark);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====== Marquee - Modern Animation ====== */
.marquee-bar {
    background: var(--primary-gradient);
    color: var(--text-light);
    padding: 12px 0;
    overflow: hidden;
    position: relative;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    backdrop-filter: blur(10px);
}

.marquee-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        rgba(255,255,255,0.1) 0%,
        transparent 50%,
        rgba(255,255,255,0.1) 100%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

.marquee-inner {
    display: inline-block;
    white-space: nowrap;
    will-change: transform;
    animation: marquee 55s linear infinite;
    animation-delay: -20s; /* bắt đầu ở giữa */
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-right: 50px;
    opacity: 0.95;
}

.marquee-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 6px;
}

.marquee-item a:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
}

.marquee-item .badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: var(--text-light);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(238, 90, 82, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.marquee-bar:hover .marquee-inner {
    animation-play-state: paused;
}

@keyframes marquee {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(-100%);
    }
}

/* ====== Hero Slider - Ultra Modern ====== */
.hero-wrap {
    width: 100%;
    padding: 24px 24px 0 24px;
}

.hero-slider {
    width: 100%;
    height: clamp(220px, 35vw, 480px);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    position: relative;
}

.hero-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        transparent 30%,
        rgba(255,255,255,0.1) 50%,
        transparent 70%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.hero-slider:hover::before {
    opacity: 1;
}

.hero-slider .swiper-wrapper {
    align-items: stretch;
}

.hero-slider .swiper-slide {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    transition: transform 0.5s ease;
}

.hero-slider .swiper-slide-active {
    transform: scale(1.02);
}

.hero-slider .swiper-slide a,
.hero-slider .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
}

.hero-slider .swiper-slide img {
    object-fit: cover;
    transition: transform 0.7s ease;
    filter: brightness(1.1) contrast(1.05);
}

.hero-slider .swiper-slide:hover img {
    transform: scale(1.1);
}

/* Navigation Buttons - Glassmorphism */
.hero-slider .swiper-button-prev,
.hero-slider .swiper-button-next {
    --swiper-navigation-size: 20px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: white;
    font-weight: bold;
}

.hero-slider .swiper-button-prev:hover,
.hero-slider .swiper-button-next:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* Pagination - Modern Dots */
.hero-slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    opacity: 0.4;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.hero-slider .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--primary-gradient);
    width: 30px;
    border-radius: 6px;
    transform: scale(1.2);
}

/* ====== Fixed Product Grid Structure ====== */
.featured-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.featured-list .item {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255,255,255,0.8);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-form {
    margin: 0;
    height: 100%;
    width: 100%;
}

.product-button {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.product-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.product-button:hover {
    transform: translateY(-8px) scale(1.02);
}

.item:hover {
    box-shadow: var(--hover-shadow);
}

.item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.item:hover::before {
    opacity: 0.05;
}

.thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: brightness(1.05);
}

.product-button:hover .thumb {
    transform: scale(1.1);
}

.meta {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    position: relative;
    z-index: 2;
    color: var(--text-dark);
}

.product-name {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600 !important;
    font-size: 15px;
    line-height: 1.4;
    margin-bottom: 8px;
}

.product-price {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: #e11d48;
    margin-top: auto;
}

/* Button focus states for accessibility */
.product-button:focus {
    outline: 2px solid var(--primary-gradient);
    outline-offset: 2px;
}

.product-button:focus:not(:focus-visible) {
    outline: none;
}

.featured-list form {
    margin: 0;
    height: 100%;
}

.item {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255,255,255,0.8);
    cursor: pointer;
    position: relative;
    display: flex;
    flex-direction: column;
}

.item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--hover-shadow);
}

.item:hover::before {
    opacity: 0.05;
}

.thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: brightness(1.05);
}

.item:hover .thumb {
    transform: scale(1.1);
}

.meta {
    padding: 20px;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    position: relative;
    z-index: 2;
}

.meta .cell:first-child:not(:last-child){
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: -10px 0px;
    background-clip: text;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.4;
}

.meta .cell:last-child {
    font-size: 16px;
    font-weight: 600;
    color: #e11d48;
    margin-top: auto;
}

/* Empty state styling */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dark);
}

.empty-state h3 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 24px;
}

/* ====== Responsive Design ====== */
@media (max-width: 1200px) {
    .featured-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 968px) {
    .featured-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    .product-name {
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        font-weight: 600 !important;
        font-size: 12px !important;
        line-height: 1.4;
        margin-bottom: 8px;
    }
}

@media (max-width: 768px) {
    .wrapper {
        padding: 2px;
        flex-direction: column;
        gap: 15px;
    }

    .sidebar {
        display: none;
    }

    .Main_content {
        flex: 1;
        border-radius: 16px;
    }

    .hero-wrap {
        padding: 16px 16px 0 16px;
    }

    .hero-slider {
        height: clamp(180px, 50vw, 320px);
        border-radius: 16px;
    }

    .hero-slider .swiper-slide {
        border-radius: 16px;
    }

    .hero-slider .swiper-button-prev,
    .hero-slider .swiper-button-next {
        width: 40px;
        height: 40px;
        --swiper-navigation-size: 16px;
    }

    .featured-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .container {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .featured-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .meta {
        padding: 16px;
        gap: 6px;
    }

    .product-name {
        font-size: 14px;
        line-height: 1.3;
    }

    .product-price {
        font-size: 14px;
    }

    .thumb {
        height: 160px;
    }
}

/* ====== Additional Animations ====== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.item {
    animation: fadeInUp 0.6s ease-out;
}

.item:nth-child(even) {
    animation-delay: 0.1s;
}

.item:nth-child(3n) {
    animation-delay: 0.2s;
}

/* Scrollbar Styling */
.Main_content::-webkit-scrollbar {
    width: 8px;
}

.Main_content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.Main_content::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

.Main_content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}