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

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

/* ===== NỀN TRANG GAMING ===== */
body{
    min-height:100vh;
    background: radial-gradient(circle at top, #1a2a6c, #0b0b15 60%, #000 100%);
    color: rgba(255,255,255,0.88);
    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;
}

/* ===== DANH SACH SAN PHAM ===== */
.danhsach-sanpham{
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap:22px;
    margin-top:20px;
}

/* ===== THẺ SẢN PHẨM (GLASS) ===== */
.sanpham{
    background: rgba(15, 15, 25, 0.78);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius:18px;
    padding:16px;
    box-shadow: 0 12px 35px rgba(0,0,0,.55);
    backdrop-filter: blur(10px);
    transition: .25s;
    position:relative;
    overflow:hidden;
}

/* neon line top */
.sanpham::before{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    top:-1px;
    height:2px;
    background:linear-gradient(90deg, transparent, #00ffff, #ff00cc, transparent);
    opacity:.85;
}

.sanpham:hover{
    transform: translateY(-6px);
    border-color: rgba(0,255,255,0.20);
    box-shadow: 0 18px 45px rgba(0,0,0,.65);
}

/* Ảnh sản phẩm */
.sanpham img{
    width:100%;
    height:160px;
    object-fit:cover;
    border-radius:14px;
    border: 1px solid rgba(255,255,255,0.08);
}

/* Tiêu đề */
.sanpham h3{
    margin:12px 0 6px;
    font-size:16px;
    color:#fff;
    letter-spacing:.2px;
}

/* mô tả */
.sanpham p{
    margin:0;
    color: rgba(255,255,255,0.68);
    font-size:13.5px;
    line-height:1.5;
}

/* ===== NÚT MUA (NEON) ===== */
.nut-mua{
    margin-top:12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;

    padding:12px 18px;
    border-radius:14px;
    font-weight:800;
    font-size:13.5px;
    color:#fff;

    background: linear-gradient(135deg, rgba(0,255,255,.18), rgba(255,0,204,.16));
    border:1px solid rgba(255,255,255,0.08);
    box-shadow: 0 10px 22px rgba(0,0,0,.35);

    transition:.25s;
    cursor:pointer;
    position:relative;
    overflow:hidden;
}

.nut-mua:hover{
    transform: translateY(-2px);
    border-color: rgba(0,255,255,.35);
    box-shadow: 0 16px 30px rgba(0,0,0,.55);
}

.nut-mua:active{
    transform: scale(0.97);
}

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

.dropbtn{
    cursor:pointer;
}

/* menu con */
.dropdown-content{
    display:none;
    position:absolute;
    top:110%;
    left:0;
    min-width:220px;
    z-index:999;

    background: rgba(15, 15, 25, 0.92);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius:14px;
    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 16px;
    font-weight:700;
    font-size:13.5px;
    color: rgba(255,255,255,0.86);
    transition:.2s;
}

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

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

/* ===== PAGINATION ===== */
.pagination{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:8px;
    margin-top:24px;
    flex-wrap:wrap;
}

.pagination a,
.pagination span{
    padding:9px 12px;
    border-radius:14px;

    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.82);

    font-weight:800;
    font-size:13px;
    transition:.2s;
}

.pagination a:hover{
    transform: translateY(-2px);
    border-color: rgba(0,255,255,0.35);
    color:#00ffff;
}

.pagination .current{
    background: linear-gradient(135deg, rgba(0,255,255,.18), rgba(255,0,204,.16));
    border-color: rgba(0,255,255,0.35);
    color:#fff;
}

/* ===== SEARCH FORM ===== */
.search-form{
    display:flex;
    justify-content:center;
    margin: 20px 0 26px;
}

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

    display:flex;
    align-items:center;
    border-radius:999px;
    overflow:hidden;

    background: rgba(15, 15, 25, 0.78);
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 12px 35px rgba(0,0,0,.55);
    backdrop-filter: blur(10px);
}

/* icon */
.search-box .search-icon{
    position:absolute;
    left:16px;
    font-size:18px;
    color:#00ffff;
    opacity:.85;
}

/* input */
.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);
}

/* button */
.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:.3px;
    transition:.2s;
}

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

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

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

    max-height: 220px;
    overflow-y:auto;
    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:700;
    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;
}
html, body{
    overflow:auto;
}

/* ===== TOAST GAMING ===== */
.toast{
    position:fixed;
    bottom:26px;
    right:26px;

    padding:14px 18px;
    border-radius:16px;
    font-weight:800;
    font-size:14px;

    color:#fff;
    opacity:0;
    transform:translateY(18px);
    transition:.25s ease;
    z-index:9999;

    background: rgba(15, 15, 25, 0.92);
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 18px 45px rgba(0,0,0,.65);
    backdrop-filter: blur(10px);
}

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

/* trạng thái toast neon */
.toast.success{
    border-color: rgba(0,255,160,0.35);
}
.toast.info{
    border-color: rgba(0,255,255,0.35);
}
.toast.error{
    border-color: rgba(255,60,90,0.35);
}

/* responsive */
@media (max-width: 500px){
    .danhsach-sanpham{
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap:16px;
    }
    .sanpham img{
        height:140px;
    }
}



.slide-btn{
    display:inline-flex;      /* ✅ ôm theo nội dung */
    width: fit-content;       /* ✅ không bị dài */
    max-width: max-content;   /* ✅ chắc chắn không giãn */

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

    margin-top:12px;
    padding:8px 14px;
    border-radius:12px;

    font-size:13px;
    font-weight:900;

    background: linear-gradient(135deg, rgba(0,255,255,.18), rgba(255,0,204,.16));
    border: 1px solid rgba(255,255,255,0.10);
    color:#fff;
    text-decoration:none;

    box-shadow: 0 8px 18px rgba(0,0,0,.35);
    transition:.25s;
}

.slide-btn:hover{
    transform: translateY(-2px);
    border-color: rgba(0,255,255,0.35);
    box-shadow: 0 14px 26px rgba(0,0,0,.55);
}


.slide-btn:active{
    transform: scale(0.97);
}