:root{
    --mfb-blue:#1877F2;
    --mfb-bg:#e9ebee;
    --mfb-card:#ffffff;
    --mfb-text:#1c1e21;
    --mfb-sub:#65676b;
    --mfb-border:#d8dde6;
    --mfb-green:#36A420;
    --mfb-green-dark:#238012;
    --mfb-red:#FA383E;
    --mfb-orange:#F59E0B;
    --mfb-purple:#8B5CF6;
    --mfb-dark:#0f172a;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
    background:var(--mfb-bg);
    color:var(--mfb-text);
    overflow-x:hidden;
    -webkit-tap-highlight-color:transparent;
}
.mfb-app{
    max-width:500px;
    min-height:100vh;
    margin:0 auto;
    background:var(--mfb-bg);
    padding-bottom:88px;
    position:relative;
}
.mfb-hide-scroll::-webkit-scrollbar{display:none}
.mfb-hide-scroll{-ms-overflow-style:none;scrollbar-width:none}

@keyframes mfbBrutalClick{0%{transform:scale(1)}50%{transform:scale(.93)}100%{transform:scale(1)}}
@keyframes mfbShine{0%{left:-100%}20%{left:200%}100%{left:200%}}
@keyframes mfbFloatHeart{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}20%{opacity:1;transform:translate(-50%,-50%) scale(1.25)}80%{opacity:1;transform:translate(-50%,-80%) scale(1)}100%{opacity:0;transform:translate(-50%,-120%) scale(.82)}}
@keyframes mfbFadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.mfb-do-click{animation:mfbBrutalClick .2s ease-out!important}
.mfb-heart-float{animation:mfbFloatHeart .8s cubic-bezier(.175,.885,.32,1.275) forwards}
.mfb-fade-up{animation:mfbFadeUp .25s ease}

.mfb-section-card{
    background:var(--mfb-card);
    box-shadow:0 1px 3px rgba(0,0,0,.09);
    margin-bottom:12px;
}
.mfb-header{
    background:rgba(255,255,255,.96);
    position:sticky;
    top:0;
    z-index:110;
    box-shadow:0 2px 8px rgba(0,0,0,.06);
    backdrop-filter:blur(14px);
    padding:10px 14px;
}
.mfb-search{
    width:100%;
    background:#f0f2f5;
    border:none;
    border-radius:999px;
    padding:10px 14px 10px 38px;
    outline:none;
    font-size:14px;
    font-weight:600;
}
.mfb-header-btn{
    width:38px;
    height:38px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#f0f2f5;
    color:#111827;
    border:none;
    position:relative;
}
.mfb-counter{
    position:absolute;
    top:-4px;
    right:-3px;
    min-width:18px;
    height:18px;
    padding:0 4px;
    border-radius:999px;
    background:var(--mfb-red);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:10px;
    font-weight:900;
    border:2px solid #fff;
}
.mfb-hero-banner{
    height:168px;
    overflow:hidden;
    position:relative;
    background:#d1d5db;
}
.mfb-hero-banner img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.mfb-hero-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(to top, rgba(0,0,0,.55), transparent);
}
.mfb-logo-wrap{
    width:100px;
    height:100px;
    padding:4px;
    background:#fff;
    border-radius:50%;
    box-shadow:0 8px 18px rgba(0,0,0,.08);
    position:relative;
}
.mfb-logo-wrap img{
    width:100%;
    height:100%;
    border-radius:50%;
    object-fit:cover;
    border:4px solid #fff;
}
.mfb-online-dot{
    position:absolute;
    right:8px;
    bottom:8px;
    width:16px;
    height:16px;
    border-radius:50%;
    background:#22c55e;
    border:2px solid #fff;
}
.mfb-chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:7px 10px;
    background:#f3f4f6;
    border-radius:999px;
    font-size:11px;
    font-weight:900;
    color:#334155;
    white-space:nowrap;
}
.mfb-chip-blue{background:#eff6ff;color:#1d4ed8}
.mfb-chip-green{background:#ecfdf5;color:#047857}
.mfb-chip-orange{background:#fff7ed;color:#c2410c}
.mfb-chip-purple{background:#f5f3ff;color:#7c3aed}
.mfb-chip-dark{background:#111827;color:#fff}

.mfb-btn-primary,
.mfb-btn-secondary,
.mfb-btn-dark,
.mfb-btn-ghost{
    border:none;
    cursor:pointer;
    font-weight:900;
    border-radius:10px;
    padding:10px 14px;
    font-size:13px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    text-decoration:none;
}
.mfb-btn-primary{
    background:linear-gradient(135deg,var(--mfb-green),var(--mfb-green-dark));
    color:#fff;
    box-shadow:0 6px 14px rgba(54,164,32,.34);
    position:relative;
    overflow:hidden;
}
.mfb-btn-primary::after{
    content:"";
    position:absolute;
    top:0;
    left:-100%;
    width:50%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
    animation:mfbShine 3s infinite;
}
.mfb-btn-secondary{background:#e5e7eb;color:#111827}
.mfb-btn-dark{background:#111827;color:#fff}
.mfb-btn-ghost{background:transparent;color:var(--mfb-blue)}

.mfb-toolbar{
    background:#fff;
    padding:10px 14px 12px;
    box-shadow:0 1px 3px rgba(0,0,0,.08);
    margin-bottom:12px;
}
.mfb-filter-row{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding-bottom:4px;
}
.mfb-filter-btn{
    border:1px solid #dbe1ea;
    background:#fff;
    color:#334155;
    border-radius:999px;
    padding:8px 12px;
    font-size:12px;
    font-weight:900;
    white-space:nowrap;
}
.mfb-filter-btn.active{
    background:#111827;
    color:#fff;
    border-color:#111827;
}
.mfb-sort-select{
    width:100%;
    background:#f8fafc;
    border:1px solid #e5e7eb;
    border-radius:12px;
    padding:10px 12px;
    font-size:13px;
    font-weight:700;
    outline:none;
}

.mfb-reels-wrap{padding:14px}
.mfb-reels-strip{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding-bottom:4px;
    scroll-snap-type:x mandatory;
}
.mfb-reel-card{
    width:148px;
    height:258px;
    flex-shrink:0;
    scroll-snap-align:start;
    position:relative;
    background:#000;
    border-radius:14px;
    overflow:hidden;
    border:1px solid rgba(0,0,0,.06);
    box-shadow:0 2px 8px rgba(0,0,0,.1);
}
.mfb-reel-video{
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:.92;
}
.mfb-reel-grad{
    position:absolute;
    inset:0;
    background:linear-gradient(to top, rgba(0,0,0,.92), rgba(0,0,0,.12), transparent);
    pointer-events:none;
}
.mfb-product-list{padding:0}
.mfb-product-card{
    background:#fff;
    margin-bottom:12px;
    box-shadow:0 1px 3px rgba(0,0,0,.1);
    overflow:hidden;
}
.mfb-product-head{
    padding:12px 14px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.mfb-vendor-logo{
    width:40px;
    height:40px;
    border-radius:50%;
    border:1px solid var(--mfb-border);
    object-fit:cover;
}
.mfb-product-title{
    padding:0 14px;
    font-size:15px;
    line-height:1.42;
    margin-bottom:8px;
    color:inherit;
    text-decoration:none;
    display:block;
}
.mfb-media-wrap{
    position:relative;
    background:#f8fafc;
    overflow:hidden;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
}
.mfb-media-wrap img,
.mfb-media-wrap video,
.mfb-media-wrap model-viewer{
    width:100%;
    aspect-ratio:1/1;
}
.mfb-media-wrap img{object-fit:contain;background:#fff}
.mfb-media-wrap video{object-fit:cover}
.mfb-media-wrap model-viewer{background:#f8fafc}
.mfb-media-wrap:active img{transform:scale(1.03)}
.mfb-badge-wrap{
    position:absolute;
    top:10px;
    left:10px;
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    z-index:3;
}
.mfb-badge{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:5px 8px;
    border-radius:999px;
    font-size:10px;
    font-weight:900;
    line-height:1;
    backdrop-filter:blur(5px);
}
.mfb-badge-green{background:rgba(16,185,129,.92);color:#fff}
.mfb-badge-blue{background:rgba(37,99,235,.92);color:#fff}
.mfb-badge-red{background:rgba(239,68,68,.92);color:#fff}
.mfb-badge-orange{background:rgba(245,158,11,.94);color:#111827}
.mfb-badge-purple{background:rgba(124,58,237,.92);color:#fff}
.mfb-badge-dark{background:rgba(15,23,42,.92);color:#fff}
.mfb-ar-btn{
    position:absolute;
    left:10px;
    bottom:10px;
    z-index:3;
    background:rgba(0,0,0,.7);
    color:#fff;
    border:1px solid rgba(255,255,255,.15);
    border-radius:8px;
    padding:6px 10px;
    font-size:11px;
    font-weight:900;
    display:flex;
    align-items:center;
    gap:5px;
}
.mfb-trust-line{
    padding:10px 14px;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    border-top:1px solid #f1f5f9;
    border-bottom:1px solid #f1f5f9;
    background:#fbfdff;
}
.mfb-social-meta{
    padding:10px 14px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    color:#64748b;
    font-size:13px;
    border-bottom:1px solid #f1f5f9;
}
.mfb-actions{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    border-bottom:1px solid #f1f5f9;
}
.mfb-action-btn{
    background:none;
    border:none;
    padding:10px 8px;
    color:#64748b;
    font-weight:800;
    font-size:13px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
}
.mfb-action-btn.active{color:var(--mfb-blue)}
.mfb-buy-row{
    padding:14px;
    background:#f8fafc;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
}
.mfb-price-main{
    font-size:23px;
    line-height:1;
    font-weight:950;
    color:#dc2626;
}
.mfb-price-old{
    font-size:12px;
    color:#64748b;
    text-decoration:line-through;
    margin-top:4px;
}
.mfb-buy-actions{
    display:flex;
    gap:8px;
}
.mfb-mini-btn{
    border:none;
    border-radius:10px;
    padding:10px 12px;
    font-size:12px;
    font-weight:900;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
}
.mfb-mini-btn-dark{background:#111827;color:#fff}
.mfb-mini-btn-green{background:linear-gradient(135deg,var(--mfb-green),var(--mfb-green-dark));color:#fff}
.mfb-mini-btn-white{background:#fff;color:#111827;border:1px solid #dbe1ea}

.mfb-comments-overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.6);
    display:none;
    z-index:999;
    backdrop-filter:blur(2px);
}
.mfb-comments-overlay.open{display:block}
.mfb-comments-drawer{
    position:fixed;
    left:50%;
    bottom:0;
    width:100%;
    max-width:500px;
    height:76vh;
    background:#fff;
    z-index:1000;
    transform:translateX(-50%) translateY(100%);
    transition:transform .3s cubic-bezier(.175,.885,.32,1.275);
    border-radius:20px 20px 0 0;
    box-shadow:0 -10px 25px rgba(0,0,0,.18);
    display:flex;
    flex-direction:column;
}
.mfb-comments-drawer.open{transform:translateX(-50%) translateY(0)}
.mfb-comments-list{
    flex:1;
    overflow-y:auto;
    padding:14px;
    background:#fff;
}
.mfb-comment-form{
    padding:12px;
    border-top:1px solid #f1f5f9;
    background:#fff;
    display:flex;
    gap:8px;
    align-items:center;
}
.mfb-comment-input,
.mfb-comment-author{
    background:#f0f2f5;
    border:none;
    outline:none;
    border-radius:999px;
    padding:11px 14px;
    font-size:14px;
}
.mfb-comment-author{width:96px;font-weight:800}
.mfb-comment-input{flex:1}
.mfb-floating-wa{
    position:fixed;
    right:15px;
    bottom:88px;
    width:56px;
    height:56px;
    border-radius:50%;
    background:#25D366;
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.8rem;
    box-shadow:0 8px 18px rgba(37,211,102,.4);
    z-index:90;
}
.mfb-bottom-nav{
    position:fixed;
    bottom:0;
    width:100%;
    max-width:500px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--mfb-border);
    display:flex;
    justify-content:space-around;
    padding:8px 0;
    z-index:90;
}
.mfb-bottom-link{
    flex:1;
    text-decoration:none;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    color:#6b7280;
    gap:4px;
    font-size:10px;
    font-weight:800;
}
.mfb-bottom-link.active{color:var(--mfb-blue)}
.mfb-toast{
    position:fixed;
    left:50%;
    bottom:100px;
    transform:translateX(-50%);
    background:#111827;
    color:#fff;
    border-radius:999px;
    padding:10px 14px;
    font-size:12px;
    font-weight:900;
    z-index:1200;
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease;
}
.mfb-toast.show{opacity:1}
.mfb-empty{
    text-align:center;
    color:#94a3b8;
    font-weight:800;
    padding:28px 14px;
}
.mfb-recent-wrap{
    background:#fff;
    padding:14px;
    margin-bottom:12px;
    box-shadow:0 1px 3px rgba(0,0,0,.09);
}
.mfb-recent-strip{
    display:flex;
    gap:10px;
    overflow-x:auto;
}
.mfb-recent-card{
    width:118px;
    flex-shrink:0;
    text-decoration:none;
    color:inherit;
}
.mfb-recent-card img{
    width:100%;
    aspect-ratio:1/1;
    border-radius:12px;
    object-fit:cover;
    background:#f8fafc;
    border:1px solid #eef2f7;
}
.mfb-hidden{display:none!important}