/* ===== RESET CƠ BẢN ===== */
*{
    box-sizing:border-box;
    margin:0;
    padding:0;
    font-family:'Segoe UI', Tahoma, sans-serif;
}

body{
    margin:0;
    color: rgba(255,255,255,0.88);
    background: radial-gradient(circle at top, #1a2a6c, #0b0b15 60%, #000 100%);
    overflow-x:hidden;
    position:relative;
}

/* glow nền */
body::before{
    content:"";
    position:fixed;
    width:560px;
    height:560px;
    background:rgba(0,255,255,.18);
    filter:blur(120px);
    top:-170px;
    left:-170px;
    pointer-events:none;
    z-index:-1;
}
body::after{
    content:"";
    position:fixed;
    width:560px;
    height:560px;
    background:rgba(255,0,200,.14);
    filter:blur(120px);
    bottom:-170px;
    right:-170px;
    pointer-events:none;
    z-index:-1;
}

a{
    text-decoration:none;
    color:inherit;
}

/* ===== HEADER TOP (GLASS) ===== */
header{
    position:sticky;
    top:0;
    z-index:9998;

    background: rgba(15, 15, 25, 0.88);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);

    color:#fff;
    padding: 14px 26px;

    display:flex;
    align-items:center;
    gap:14px;

    box-shadow: 0 12px 40px rgba(0,0,0,.45);
}

/* neon line */
header::before{
    content:"";
    position:absolute;
    left:16px;
    right:16px;
    bottom:-1px;
    height:2px;
    background:linear-gradient(90deg, transparent, #00ffff, #ff00cc, transparent);
    opacity:.85;
}

/* logo */
header img{
    height:60px;
    width:auto;
    margin-right: 8px;
    filter: drop-shadow(0 6px 14px rgba(0,0,0,.35));
}

/* title */
header h3{
    margin:0;
    font-size:18px;
    font-weight:900;
    letter-spacing:.6px;
    text-transform:uppercase;
    color:#00ffff;
}

/* ===== NAV ===== */
nav{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap: 12px;
    flex-wrap:wrap;
}

nav a{
    color: rgba(255,255,255,0.85);
    font-weight:900;
    font-size:13px;
    letter-spacing:.25px;
    padding:10px 12px;
    border-radius:14px;
    transition:.22s;
    position:relative;

    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}

nav a:hover{
    transform: translateY(-2px);
    border-color: rgba(0,255,255,0.30);
    color:#00ffff;
    box-shadow: 0 14px 28px rgba(0,0,0,.35);
}

/* bỏ gạch underline cũ */
nav a::after{
    display:none;
}

/* ===== DROPDOWN MENU (GLASS) ===== */
.dropdown{
    position:relative;
    display:inline-block;
}

.dropbtn{
    cursor:pointer;
}

.dropdown-content{
    display:none;
    position:absolute;
    top:115%;
    left:0;
    min-width:220px;
    z-index:9999;

    background: rgba(15, 15, 25, 0.92);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius:16px;
    overflow:hidden;

    box-shadow: 0 18px 45px rgba(0,0,0,.65);
    backdrop-filter: blur(10px);

    animation: dropdownFade .22s ease;
}

@keyframes dropdownFade{
    from{ opacity:0; transform: translateY(10px); }
    to{ opacity:1; transform: translateY(0); }
}

.dropdown-content a{
    display:block;
    padding:12px 14px;
    color: rgba(255,255,255,0.86);
    font-weight:800;
    font-size:13.5px;
    transition:.2s;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.dropdown-content a:last-child{
    border-bottom:none;
}

.dropdown-content a:hover{
    background: rgba(0,255,255,0.10);
    color:#00ffff;
}

.dropdown:hover .dropdown-content{
    display:block;
}

/* ===== SLIDER (GAMING) ===== */
.slider{
    width:100%;
    height:360px;
    overflow:hidden;
    position:relative;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* glow nhẹ trong slider */
.slider::before{
    content:"";
    position:absolute;
    inset:0;
    background: radial-gradient(circle at left, rgba(0,255,255,0.10), transparent 45%),
                radial-gradient(circle at right, rgba(255,0,200,0.10), transparent 45%);
    pointer-events:none;
    z-index:2;
}

.slider-wrapper{
    display:flex;
    height:100%;
    transition: transform .8s ease-in-out;
}

.slide{
    min-width:100%;
    height:100%;
    position:relative;
    overflow:hidden;
}

/* image */
.slide-image{
    position:absolute;
    inset:0;
    z-index:1;
}

.slide-image img{
    width:100%;
    height:100%;
    object-fit:cover;
    filter: saturate(1.2) contrast(1.08);
    transform: scale(1.04);
}

/* overlay neon */
.slide::before{
    content:"";
    position:absolute;
    inset:0;
    z-index:2;
    background: linear-gradient(
        120deg,
        rgba(0,255,255,0.65) 0%,
        rgba(15,15,25,0.70) 38%,
        rgba(255,0,204,0.35) 70%,
        rgba(0,0,0,0.10) 100%
    );
    clip-path: polygon(0 0, 45% 0, 28% 100%, 0 100%);
}

/* text overlay */
.slide-text{
    position:relative;
    z-index:3;
    width:45%;
    height:100%;
    padding: 60px 50px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    color:#fff;
    animation: slideTextIn .7s ease;
}

@keyframes slideTextIn{
    from{ opacity:0; transform: translateX(-35px); }
    to{ opacity:1; transform: translateX(0); }
}

.slide-text h2{
    font-size:30px;
    margin-bottom:10px;
    line-height:1.2;
    color:#fff;
    text-shadow: 0 10px 35px rgba(0,0,0,.5);
}

.slide-text p{
    font-size:14.5px;
    line-height:1.7;
    opacity:.92;
    color: rgba(255,255,255,0.88);
    max-width: 420px;
}

/* MOBILE slider */
@media (max-width:768px){
    .slider{ height:320px; }

    .slide::before{
        clip-path:none;
        background: rgba(15,15,25,0.55);
    }
    .slide-text{
        width:100%;
        padding: 28px 22px;
    }
}

/* ===== SEARCH FORM (NEON GLASS) ===== */
.search-form{
    display:flex;
    justify-content:center;
    margin: 22px 0 28px;
}

.search-box{
    position:relative;
    width:420px;
    max-width:92%;

    display:flex;
    align-items:center;

    background: rgba(15, 15, 25, 0.78);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius:999px;
    overflow:hidden;

    box-shadow: 0 12px 35px rgba(0,0,0,.55);
    backdrop-filter: blur(10px);
}

.search-box input[type="text"]{
    flex:1;
    padding: 12px 56px 12px 44px;
    border:none;
    outline:none;
    font-size:14px;

    background: transparent;
    color:#fff;
}

.search-box input[type="text"]::placeholder{
    color: rgba(255,255,255,0.55);
}

.search-box .search-icon{
    position:absolute;
    left:16px;
    font-size:18px;
    color:#00ffff;
    opacity:.9;
}

.search-box button{
    padding: 0 18px;
    height:44px;

    border:none;
    cursor:pointer;

    background: linear-gradient(135deg, rgba(0,255,255,.18), rgba(255,0,204,.16));
    color:#fff;
    font-weight:900;
    letter-spacing:.2px;

    transition:.2s;
}

.search-box button:hover{
    filter: brightness(1.1);
}

/* ===== AUTOCOMPLETE ===== */
.autocomplete-suggestions{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    margin-top:10px;

    background: rgba(15, 15, 25, 0.92);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius:16px;

    max-height:200px;
    overflow-y:auto;
    z-index:9999;

    display:none;
    box-shadow: 0 18px 45px rgba(0,0,0,.65);
    backdrop-filter: blur(10px);
}

.autocomplete-suggestions div{
    padding:10px 14px;
    cursor:pointer;
    font-weight:800;
    color: rgba(255,255,255,0.86);
    transition:.18s;
}

.autocomplete-suggestions div:hover{
    background: rgba(0,255,255,0.10);
    color:#00ffff;
}

/* ===== ẨN SCROLLBAR ===== */
*::-webkit-scrollbar{
    width:0px;
    height:0px;
    background:transparent;
}
*{
    scrollbar-width:none;
    -ms-overflow-style:none;
}
body, html{
    overflow:auto;
}

/* ===== CART COUNT ===== */
.cart-link{
    position:relative;
}

#cart-count{
    position:absolute;
    top:-8px;
    right:-14px;

    width:20px;
    height:20px;
    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:12px;
    font-weight:900;
    line-height:1;

    background: rgba(255, 60, 90, 0.95);
    color:#fff;

    border: 2px solid rgba(15, 15, 25, 0.95);
    box-shadow: 0 8px 18px rgba(255,60,90,.35);

    transform:scale(1);
    transition:.25s ease;
}

#cart-count.bump{
    animation: cartBump .3s ease;
}

@keyframes cartBump{
    0%{ transform:scale(1); }
    50%{ transform:scale(1.4); }
    100%{ transform:scale(1); }
}