:root{
  --bg:#0a0b0f;
  --surface:#1a1d29;
  --card:#1e2130;
  --card-hover:#2a2d3d;
  --primary:#818cf8;
  --primary-light:#a5b4fc;
  --secondary:#34d399;
  --accent:#f59e0b;
  --text:#e2e8f0;
  --text-muted:#94a3b8;
  --border:#334155;
  --shadow:0 20px 40px rgba(0,0,0,.4);
  --glow:0 0 40px rgba(129,140,248,.15);
  --radius:16px;
  --max:1200px
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(135deg,#0a0b0f 0%,#1a1d29 50%,#0f172a 100%);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden
}

/* Animated background */
body::before{
  content:'';
  position:fixed;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:radial-gradient(circle at 20% 50%,rgba(129,140,248,.1) 0%,transparent 50%),
              radial-gradient(circle at 80% 20%,rgba(52,211,153,.08) 0%,transparent 50%),
              radial-gradient(circle at 40% 80%,rgba(245,158,11,.06) 0%,transparent 50%);
  pointer-events:none;
  z-index:0
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter:blur(20px);
  background:rgba(26,29,41,.8);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 20px rgba(0,0,0,.3)
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 0;
  gap:20px
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition:transform .3s ease
}
.brand:hover{transform:translateY(-2px)}
.brand .logo{
  font-family: 'Poppins', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  line-height: 1;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing: -0.02em;
}
.brand .tagline{
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.875rem;
  color:var(--text-muted);
  margin-top: 4px;
  line-height: 1.3;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.pill{
  padding:12px 20px;
  border:1px solid var(--border);
  border-radius:50px;
  background:linear-gradient(135deg,var(--surface) 0%,var(--card) 100%);
  color:var(--text);
  font-weight:600;
  font-size:14px;
  transition:all .3s ease;
  box-shadow:0 4px 15px rgba(0,0,0,.2)
}
.pill:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 8px 25px rgba(129,140,248,.3)
}

/* Hero Section */
.hero{padding:80px 0 40px;position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
@media (max-width: 860px){.hero-grid{grid-template-columns:1fr;gap:30px}}
.h-title{
  font-family:Poppins,Inter,system-ui;
  font-weight:900;
  font-size:clamp(2.5rem,5vw,4rem);
  margin:0 0 20px;
  letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--text) 0%,var(--primary-light) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.1
}
.h-sub{margin:0 0 30px;color:var(--text-muted);font-size:18px;line-height:1.6}
.search{
  flex:1;
  display:flex;
  align-items:center;
  gap:15px;
  background:var(--card);
  border:2px solid var(--border);
  border-radius:50px;
  padding:16px 24px;
  box-shadow:var(--shadow);
  transition:all .3s ease
}
.search:focus-within{
  border-color:var(--primary);
  box-shadow:var(--glow)
}
.search input{
  flex:1;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:16px;
  font-weight:500
}
.search input::placeholder{color:var(--text-muted)}
.hero-actions{display:flex;gap:15px;flex-wrap:wrap;margin-top:20px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:50px;
  border:2px solid transparent;
  padding:14px 28px;
  color:var(--text);
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  transition:all .3s ease;
  position:relative;
  overflow:hidden
}
.btn::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  opacity:0;
  transition:opacity .3s ease
}
.btn.primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  color:white;
  box-shadow:0 8px 25px rgba(129,140,248,.4)
}
.btn.primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 35px rgba(129,140,248,.5)
}
.btn.secondary{
  background:var(--card);
  border-color:var(--border);
  color:var(--text);
  box-shadow:0 4px 15px rgba(0,0,0,.2)
}
.btn.secondary:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 8px 25px rgba(129,140,248,.3)
}

/* Sections */
section{padding:60px 0;position:relative;z-index:1}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}
.h2{font-family:Poppins,Inter,system-ui;font-weight:800;margin:0;font-size:2rem;color:var(--text)}

/* Grid */
.grid{
  display:grid;
  grid-template-columns:repeat(1,minmax(0,1fr));
  gap:24px
}
@media (min-width: 640px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width: 960px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width: 1280px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* Cards */
.card{
  display:block;
  background:linear-gradient(145deg,var(--card) 0%,var(--surface) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  transform:translateY(0);
  transition:all .4s cubic-bezier(.4,0,.2,1);
  position:relative
}
.card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg,var(--primary) 0%,transparent 60%);
  opacity:0;
  transition:opacity .4s ease;
  pointer-events:none
}
.card:hover{
  transform:translateY(-8px) scale(1.02);
  border-color:var(--primary);
  box-shadow:0 20px 50px rgba(129,140,248,.3), var(--glow)
}
.card:hover::before{opacity:.1}
.card-media{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--surface) 0%,var(--card) 100%);
  overflow:hidden;
  position:relative
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(1.05) saturate(1.1);
  transform:scale(1);
  transition:transform .6s cubic-bezier(.4,0,.2,1)
}
.card:hover .card-media img{transform:scale(1.1)}
.card-body{padding:20px}
.card-title{
  margin:0;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  color:var(--text);
  line-height:1.3
}
.card-meta{
  display:flex;
  justify-content:space-between;
  gap:15px;
  margin-top:12px;
  color:var(--text-muted);
  font-size:13px
}
.card-desc{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.5;
  margin:15px 0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.tag{
  font-size:12px;
  color:var(--primary-light);
  padding:8px 12px;
  border-radius:20px;
  border:1px solid rgba(129,140,248,.3);
  background:rgba(129,140,248,.1);
  font-weight:600;
  transition:all .3s ease
}
.tag:hover{
  background:rgba(129,140,248,.2);
  border-color:var(--primary);
  transform:translateY(-1px)
}

/* Browse Page */
.page{min-height:calc(100vh - 80px)}
.browse-hero{padding:40px 0 20px}
.browse-top{display:flex;gap:20px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.page-title{margin:0;font-family:Poppins,Inter,system-ui;font-weight:900;font-size:2.5rem;color:var(--text)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.chip{
  border:2px solid var(--border);
  background:var(--card);
  border-radius:25px;
  padding:10px 18px;
  font-size:13px;
  color:var(--text);
  cursor:pointer;
  user-select:none;
  font-weight:600;
  transition:all .3s ease
}
.chip[aria-pressed="true"]{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  border-color:var(--primary);
  color:white;
  box-shadow:0 4px 15px rgba(129,140,248,.4)
}
.chip:hover{
  border-color:var(--primary);
  transform:translateY(-2px)
}

/* Product Detail */
.details{padding:40px 0}
.details-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:40px}
@media (max-width: 980px){.details-grid{grid-template-columns:1fr;gap:30px}}
.gallery{
  background:linear-gradient(145deg,var(--card) 0%,var(--surface) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow)
}
.gallery-main{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--surface) 0%,var(--card) 100%);
  position:relative
}
.gallery-main img{
  width:100%;
  height:100%;
  object-fit:cover;
  cursor:zoom-in;
  transition:transform .3s ease
}
.gallery-main img:hover{transform:scale(1.02)}
.thumbs{display:flex;gap:12px;padding:16px;overflow:auto;border-top:1px solid var(--border)}
.thumb-btn{
  width:100px;
  height:70px;
  border-radius:12px;
  overflow:hidden;
  border:2px solid var(--border);
  padding:0;
  background:var(--surface);
  cursor:pointer;
  flex:0 0 auto;
  transition:all .3s ease
}
.thumb-btn[aria-current="true"]{
  border-color:var(--primary);
  box-shadow:0 0 20px rgba(129,140,248,.3)
}
.thumb-btn img{width:100%;height:100%;object-fit:cover}
.panel{
  background:linear-gradient(145deg,var(--card) 0%,var(--surface) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow)
}
.title{
  margin:0 0 15px;
  font-family:Poppins,Inter,system-ui;
  font-weight:900;
  font-size:2rem;
  color:var(--text);
  letter-spacing:-.01em
}
.meta-block{
  border-top:1px solid var(--border);
  margin-top:20px;
  padding-top:20px
}
.meta-row{
  display:flex;
  justify-content:space-between;
  gap:15px;
  padding:12px 0;
  border-bottom:1px solid rgba(51,65,85,.5)
}
.meta-row:last-child{border-bottom:0}
.meta-row .k{color:var(--text-muted);font-size:14px;font-weight:600}
.meta-row .v{font-size:14px;font-weight:700;color:var(--text)}
.kv{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.product-actions{display:flex;gap:15px;margin-top:25px}

/* Lightbox */
.lightbox{
  position:fixed;
  inset:0;
  z-index:1000;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(10,11,15,.95);
  backdrop-filter:blur(20px)
}
.lightbox.open{display:flex}
.lightbox-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.8)
}
.lightbox img{
  max-width:90vw;
  max-height:90vh;
  border-radius:var(--radius);
  box-shadow:0 30px 60px rgba(0,0,0,.8);
  position:relative;
  z-index:1
}

/* Toast */
.toast{
  position:fixed;
  bottom:30px;
  left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg,var(--card) 0%,var(--surface) 100%);
  border:1px solid var(--border);
  color:var(--text);
  padding:16px 24px;
  border-radius:50px;
  box-shadow:var(--shadow);
  z-index:200;
  opacity:0;
  pointer-events:none;
  transition:all .3s ease;
  font-weight:600;
  font-size:14px
}
.toast.show{
  opacity:1;
  transform:translateX(-50%) translateY(-10px)
}

/* Loading Animation */
@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.5}
}
.loading{animation:pulse 2s infinite}

/* Empty State */
.empty{
  border:2px dashed var(--border);
  background:var(--surface);
  border-radius:var(--radius);
  padding:40px 20px;
  color:var(--text-muted);
  text-align:center;
  font-size:16px;
  font-weight:600;
  margin:20px 0
}

/* Responsive */
@media (max-width: 640px){
  .container{padding:0 16px}
  .hero{padding:60px 0 30px}
  .section{padding:40px 0}
  .card-body{padding:16px}
  .panel{padding:20px}
  .btn{padding:12px 20px;font-size:14px}
}