@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #000000;
  --bg-secondary: #09090b;
  --glass: rgba(255,255,255,0.04);
  --glass-strong: rgba(255,255,255,0.07);
  --glass-hover: rgba(255,255,255,0.1);
  --glass-border: rgba(255,255,255,0.1);
  --glass-border-hover: rgba(255,255,255,0.2);
  --glass-shine: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 40%, transparent 60%, rgba(255,255,255,0.05) 100%);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.35);
  --gradient-accent: linear-gradient(135deg, #00e5ff, #0077ff);
  --green: #34d399;
  --radius: 22px;
  --radius-sm: 14px;
  --radius-xs: 10px;
  --blur: blur(40px);
  --ease: cubic-bezier(.4,0,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
  --max-width: 1200px;
  --fb-color: #0084ff;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Be Vietnam Pro',sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;font-family:inherit}
input,textarea,select{font-family:inherit}

/* ── Ambient Light BG ── */
body::before{content:'';position:fixed;top:-30%;left:-10%;width:60%;height:60%;background:radial-gradient(circle,rgba(0,119,255,0.12) 0%,transparent 70%);pointer-events:none;z-index:-1;filter:blur(80px)}
body::after{content:'';position:fixed;bottom:-20%;right:-10%;width:50%;height:50%;background:radial-gradient(circle,rgba(0,229,255,0.08) 0%,transparent 70%);pointer-events:none;z-index:-1;filter:blur(80px)}

::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.15);border-radius:2px}

.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ── Scroll Animations ── */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.fade-up.visible{opacity:1;transform:translateY(0)}
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ══════════════════════════════════
   NAVBAR — Liquid Glass
   ══════════════════════════════════ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(5,5,9,0.6);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid var(--glass-border)}
.navbar .container{display:flex;align-items:center;height:64px}
.navbar-brand{display:flex;align-items:center;gap:12px;font-size:1.3rem;font-weight:800;letter-spacing:-0.5px;color:var(--text-primary);transition:.3s var(--ease)}
.navbar-brand:hover{opacity:0.85}
.navbar-logo{width:34px;height:34px;border-radius:9px;background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 0 16px var(--accent-glow);position:relative;overflow:hidden}
.navbar-logo::after{content:'';position:absolute;inset:0;background:var(--glass-shine);border-radius:inherit}

/* ══════════════════════════════════
   HERO SLIDER
   ══════════════════════════════════ */
.hero-slider{position:relative;margin:64px 0 0;height:480px;border-radius:0;overflow:hidden;background:var(--bg-secondary);box-shadow:none;border:none}
@media (min-width: 768px) { .hero-slider{margin:88px auto 0;max-width:1160px;height:550px;border-radius:24px;border:1px solid rgba(255,255,255,0.05)} }
.slider-track{display:flex;height:100%;transition:transform .8s cubic-bezier(.25,.1,.25,1)}
.slide{min-width:100%;height:100%;position:relative;cursor:pointer;overflow:hidden;background:#000}
.slide-bg-img{position:absolute;inset:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity 0.8s ease-in-out, transform 6s ease-out;transform:scale(1)}
.slide-bg-img.active-bg{opacity:1;transform:scale(1.05)}
.slide-overlay{position:absolute;bottom:0;left:0;right:0;padding:80px 20px 45px;background:linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);display:flex;flex-direction:column;justify-content:flex-end}
.slide-overlay h2{font-size:1.6rem;font-weight:800;letter-spacing:-0.5px;line-height:1.1;margin:0 0 10px;text-shadow:0 2px 10px rgba(0,0,0,0.5)}
.slide-overlay .badge{align-self:flex-start;background:var(--accent);color:#000;font-size:0.7rem;font-weight:700;padding:4px 12px;border-radius:100px;text-transform:uppercase;letter-spacing:1px}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,0.06);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:#fff;font-size:1.2rem;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,0.08);transition:.3s var(--ease);z-index:5}
.slider-btn:hover{background:rgba(255,255,255,0.15);border-color:rgba(255,255,255,0.2);transform:translateY(-50%) scale(1.1)}
.slider-btn.prev{left:14px}
.slider-btn.next{right:14px}
.slider-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:5}
.slider-dots .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.2);border:none;transition:.4s var(--ease);cursor:pointer}
.slider-dots .dot.active{background:#fff;width:24px;border-radius:3px}

/* ══════════════════════════════════
   HERO TAGLINE
   ══════════════════════════════════ */
.hero-tagline{text-align:center;padding:56px 20px 24px;animation:fadeInUp .8s var(--ease)}
.hero-tagline h2{font-size:1.4rem;font-weight:500;color:var(--text-secondary);letter-spacing:-0.3px;line-height:1.4}
.hero-tagline h2 span{display:block;margin-top:6px;font-size:1.8rem;font-weight:800;letter-spacing:-1px;color:var(--text-primary)}

/* ══════════════════════════════════
   CATEGORY TABS — Glass Pills
   ══════════════════════════════════ */
.category-bar{padding:12px 0;position:sticky;top:64px;z-index:50;background:rgba(5,5,9,0.7);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid var(--glass-border)}
.category-tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:0 4px}
.category-tabs::-webkit-scrollbar{display:none}
.cat-tab{padding:8px 20px;border-radius:100px;font-size:.85rem;font-weight:600;white-space:nowrap;background:transparent;color:var(--text-secondary);border:1px solid transparent;transition:color .2s,background .2s,border-color .2s;cursor:pointer;-webkit-tap-highlight-color:transparent}
.cat-tab:hover{color:var(--text-primary);background:rgba(255,255,255,0.04)}
.cat-tab.active{color:#fff;background:rgba(255,255,255,0.08);border-color:var(--glass-border)}

/* ══════════════════════════════════
   PRODUCT GRID
   ══════════════════════════════════ */
.products-section{padding:36px 0 80px}
.section-title{font-size:1.5rem;font-weight:800;margin-bottom:28px;letter-spacing:-0.5px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}

/* ══════════════════════════════════
   PRODUCT CARD — Liquid Glass
   ══════════════════════════════════ */
.product-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);overflow:hidden;transition:.35s var(--ease);cursor:pointer;position:relative;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.product-card::before{content:'';position:absolute;inset:0;background:var(--glass-shine);z-index:1;pointer-events:none;border-radius:inherit;opacity:0;transition:opacity .35s}
.product-card:hover{transform:translateY(-6px);border-color:var(--glass-border-hover);box-shadow:0 16px 48px rgba(0,0,0,0.35),inset 0 1px 0 rgba(255,255,255,0.06)}
.product-card:hover::before{opacity:1}
.product-card .card-img{position:relative;height:220px;overflow:hidden;background:var(--bg-secondary)}
.product-card .card-img img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.product-card:hover .card-img img{transform:scale(1.05)}
.product-card .badge{position:absolute;top:10px;left:10px;padding:4px 12px;border-radius:100px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;z-index:2;background:rgba(0,0,0,0.5);backdrop-filter:blur(8px);color:rgba(255,255,255,0.85);border:1px solid rgba(255,255,255,0.08)}
.product-card .card-body{padding:16px;position:relative;z-index:1}
.product-card .card-title{font-size:1rem;font-weight:700;margin-bottom:10px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .card-specs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.spec-tag{padding:3px 8px;border-radius:6px;font-size:.68rem;font-weight:500;background:var(--glass);color:var(--text-secondary);border:1px solid var(--glass-border)}
.product-card .card-footer{display:flex;align-items:center;justify-content:space-between}
.product-card .price{font-size:1.1rem;font-weight:800;color:var(--accent)}
.product-card .condition{font-size:.7rem;color:var(--text-secondary)}

/* ══════════════════════════════════
   DETAIL PAGE
   ══════════════════════════════════ */
.detail-page{margin-top:64px;padding:24px 0 80px}
.back-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);background:var(--glass);color:var(--text-secondary);border:1px solid var(--glass-border);font-size:.88rem;font-weight:500;transition:.3s var(--ease);margin-bottom:24px;backdrop-filter:blur(8px)}
.back-btn:hover{background:var(--glass-hover);color:var(--text-primary);border-color:var(--glass-border-hover);transform:translateX(-3px)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.gallery-main{width:100%;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:var(--bg-secondary);margin-bottom:12px;border:1px solid var(--glass-border)}
.gallery-main img,.gallery-main video{width:100%;height:100%;object-fit:contain;background:#000}
.gallery-thumbs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.gallery-thumbs::-webkit-scrollbar{display:none}
.gallery-thumb{width:68px;height:50px;flex:0 0 68px;border-radius:var(--radius-xs);overflow:hidden;cursor:pointer;border:2px solid transparent;transition:.3s var(--ease);opacity:.45}
.gallery-thumb.active,.gallery-thumb:hover{border-color:var(--accent);opacity:1}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}
.detail-info{display:flex;flex-direction:column;gap:18px}
.detail-title{font-size:1.6rem;font-weight:800;line-height:1.2;letter-spacing:-0.5px}
.detail-price{font-size:1.8rem;font-weight:800;color:var(--accent)}
.detail-specs{background:var(--glass);border-radius:var(--radius-sm);padding:18px;border:1px solid var(--glass-border);backdrop-filter:blur(8px)}
.detail-specs h3{font-size:.95rem;font-weight:700;margin-bottom:12px}
.spec-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--glass-border);font-size:.88rem}
.spec-row:last-child{border-bottom:none}
.spec-row .label{color:var(--text-secondary)}
.spec-row .value{font-weight:600;text-align:right}
.detail-desc{background:var(--glass);border-radius:var(--radius-sm);padding:18px;border:1px solid var(--glass-border)}
.detail-desc h3{font-size:.95rem;font-weight:700;margin-bottom:10px}
.detail-desc p{color:var(--text-secondary);font-size:.9rem;line-height:1.7;white-space:pre-line}
.contact-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;border-radius:var(--radius-sm);background:var(--fb-color);color:#fff;font-size:1rem;font-weight:700;transition:.3s var(--ease);width:100%}
.contact-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,132,255,.4)}

/* ══════════════════════════════════
   FAB FACEBOOK
   ══════════════════════════════════ */
.fab-facebook{position:fixed;bottom:24px;right:24px;z-index:200;width:54px;height:54px;border-radius:50%;background:var(--fb-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 4px 20px rgba(0,132,255,.4);transition:.3s var(--ease);animation:fabFloat 3s ease-in-out infinite}
.fab-facebook:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(0,132,255,.5)}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* ══════════════════════════════════
   FOOTER
   ══════════════════════════════════ */
.footer{border-top:1px solid var(--glass-border);padding:48px 0;text-align:center;color:var(--text-muted);font-size:.85rem}

/* ══════════════════════════════════
   ADMIN — Glass Forms
   ══════════════════════════════════ */
.admin-page{margin-top:64px;padding:24px 0 80px}
.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.admin-header h1{font-size:1.4rem;font-weight:800}
.btn{padding:10px 22px;border-radius:var(--radius-xs);font-size:.86rem;font-weight:600;transition:.25s var(--ease);display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--gradient-accent);color:#fff}
.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}
.btn-danger{background:#ef4444;color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--glass-border)}
.btn-ghost:hover{border-color:var(--glass-border-hover);color:var(--text-primary);background:var(--glass)}
.btn-sm{padding:6px 12px;font-size:.78rem}
.login-box{max-width:380px;margin:80px auto;background:var(--glass);border-radius:var(--radius);padding:36px;border:1px solid var(--glass-border);text-align:center;backdrop-filter:var(--blur);position:relative;overflow:hidden}
.login-box::before{content:'';position:absolute;inset:0;background:var(--glass-shine);pointer-events:none}
.login-box h2{font-size:1.3rem;font-weight:700;margin-bottom:24px;position:relative}
.form-group{margin-bottom:14px;text-align:left;position:relative}
.form-group label{display:block;font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-input{width:100%;padding:11px 14px;border-radius:var(--radius-xs);background:rgba(255,255,255,0.03);color:var(--text-primary);border:1px solid var(--glass-border);font-size:16px;transition:.25s var(--ease);outline:none}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);background:rgba(255,255,255,0.05)}
textarea.form-input{resize:vertical;min-height:90px}
select.form-input{cursor:pointer}
input,textarea,select{font-size:16px}
.modal-overlay{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto}
.modal-overlay.active{display:flex}
.modal{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--glass-border);width:100%;max-width:600px;padding:28px;position:relative}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-header h2{font-size:1.2rem;font-weight:700}
.modal-close{width:34px;height:34px;border-radius:50%;background:var(--glass);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:.2s}
.modal-close:hover{background:#ef4444;color:#fff}
.admin-product-list{display:flex;flex-direction:column;gap:10px}
.admin-product-item{display:flex;align-items:center;gap:14px;background:var(--glass);border-radius:var(--radius-sm);padding:12px;border:1px solid var(--glass-border);transition:.25s var(--ease);cursor:grab}
.admin-product-item:active{cursor:grabbing}
.admin-product-item.dragging{opacity:.5;background:var(--glass-strong);transform:scale(.98);z-index:100;position:relative}
.admin-product-item:hover{border-color:var(--glass-border-hover);background:var(--glass-strong)}
.admin-product-item .thumb{width:68px;height:50px;border-radius:8px;overflow:hidden;background:var(--bg-secondary);flex-shrink:0;position:relative}
.admin-product-item .thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.admin-product-item .info{flex:1;min-width:0}
.admin-product-item .info h4{font-size:.88rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-product-item .info span{font-size:.76rem;color:var(--text-muted)}
.admin-product-item .actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.toggle-switch{position:relative;display:inline-block;width:34px;height:20px;margin-right:4px;flex-shrink:0}
.toggle-switch input{position:absolute;opacity:0;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:rgba(255,255,255,.1);transition:.3s;border-radius:20px;border:1px solid var(--glass-border)}
.toggle-slider:before{position:absolute;content:"";height:14px;width:14px;left:2px;bottom:2px;background-color:var(--text-muted);transition:.3s;border-radius:50%}
input:checked + .toggle-slider{background-color:var(--green);border-color:var(--green)}
input:checked + .toggle-slider:before{transform:translateX(14px);background-color:#fff}
.toggle-switch.is-loading{opacity:.5;pointer-events:none}
.image-list{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.image-item{display:flex;align-items:center;gap:8px}
.image-item .form-input{flex:1}
.image-item .remove-img{width:30px;height:30px;border-radius:6px;background:rgba(239,68,68,.12);color:#ef4444;display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:.2s}
.image-item .remove-img:hover{background:#ef4444;color:#fff}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.loading{display:flex;align-items:center;justify-content:center;padding:60px;gap:10px;color:var(--text-muted)}
.spinner{width:20px;height:20px;border-radius:50%;border:2px solid var(--glass-border);border-top-color:var(--accent);animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast-container{position:fixed;top:76px;right:20px;z-index:500;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 18px;border-radius:var(--radius-xs);background:var(--glass-strong);border:1px solid var(--glass-border);font-size:.85rem;font-weight:500;box-shadow:0 8px 32px rgba(0,0,0,.4);display:flex;align-items:center;gap:8px;animation:toastIn .3s var(--ease);max-width:340px;backdrop-filter:var(--blur)}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid #ef4444}
@keyframes toastIn{from{opacity:0;transform:translateX(30px)}}

/* ══════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════ */
@media(max-width:768px){
  .navbar .container{height:56px}
  .navbar-brand{font-size:1.1rem;gap:10px}
  .navbar-logo{width:28px;height:28px;border-radius:7px;font-size:.8rem}
  .hero-tagline{padding:36px 16px 16px}
  .hero-tagline h2{font-size:1.1rem}
  .hero-tagline h2 span{font-size:1.35rem}
  .category-bar{top:56px}
  .cat-tab{padding:7px 16px;font-size:.8rem}
  .section-title{font-size:1.2rem}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:12px}
  .product-card .card-img{height:155px}
  .product-card .card-body{padding:12px}
  .product-card .card-title{font-size:.84rem}
  .product-card .price{font-size:.92rem}
  .detail-grid{grid-template-columns:1fr;gap:20px}
  .detail-title{font-size:1.2rem}
  .detail-price{font-size:1.4rem}
  .admin-product-item .info h4{white-space:normal}
  .admin-product-item .actions{flex-wrap:wrap;justify-content:flex-end}
  .modal{padding:20px}
}
@media(max-width:480px){
  .product-grid{grid-template-columns:1fr 1fr;gap:10px}
  .product-card .card-body{padding:10px}
  .product-card .card-specs{display:none}
}
/* ══════════════════════════════════
   PAGE LOADER
   ══════════════════════════════════ */
.page-loader{position:fixed;inset:0;background:var(--bg-primary);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .5s ease,visibility .5s ease}
.page-loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,0.05);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-text{font-size:0.9rem;font-weight:600;color:var(--text-secondary);letter-spacing:1px;text-transform:uppercase}