:root{
  --bg:#fafaf9; --surface:#ffffff; --ink:#0f172a; --muted:#64748b;
  --primary:#0f172a; --accent:#6366f1; --accent-2:#8b5cf6;
  --success:#10b981; --danger:#ef4444; --warning:#f59e0b;
  --border:#e5e7eb; --radius:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 8px 24px -8px rgba(15,23,42,.12);
  --shadow-lg:0 20px 50px -20px rgba(15,23,42,.25);
  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#ec4899 100%);
}
*{box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
.brand-mark{background:var(--grad);-webkit-background-clip:text;color:transparent;font-size:1.2em}

/* Navbar */
.shop-nav{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--border);padding:.75rem 0}
.shop-nav .navbar-brand{font-size:1.35rem;letter-spacing:-.02em}
.search-input{height:46px;border-radius:999px;padding-left:1.25rem;padding-right:3rem;border:1px solid var(--border);background:#f4f4f5;transition:.2s}
.search-input:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.btn-search{position:absolute;right:6px;top:6px;height:34px;width:34px;border-radius:50%;border:0;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center}
.search-dropdown{position:absolute;top:54px;left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-height:380px;overflow:auto;display:none;z-index:1050}
.search-dropdown.show{display:block}
.search-result{display:flex;gap:.75rem;padding:.6rem .9rem;align-items:center;border-bottom:1px solid #f1f5f9}
.search-result:hover{background:#f8fafc}
.search-result img{width:42px;height:42px;border-radius:8px;object-fit:cover}
.cart-link{position:relative;font-size:1.2rem}
.cart-badge{position:absolute;top:-2px;right:-6px;background:var(--accent);color:#fff;font-size:.65rem;border-radius:999px;padding:2px 6px;font-weight:700}
.cart-preview{width:340px;padding:0;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--border)}

/* Hero */
.hero{background:var(--grad);color:#fff;border-radius:24px;padding:4rem 3rem;margin-top:1.5rem;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero h1{font-size:clamp(2rem,4vw,3.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.05}
.hero p{opacity:.9;font-size:1.1rem;max-width:520px}
.hero .btn-light{border-radius:999px;padding:.75rem 1.75rem;font-weight:600}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:380px;height:380px;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 70%);border-radius:50%}

/* Section */
.section-title{font-weight:700;letter-spacing:-.02em;margin:3rem 0 1.25rem;display:flex;align-items:center;justify-content:space-between}

/* Product Card */
.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.3s;height:100%;display:flex;flex-direction:column;position:relative}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card .img-wrap{aspect-ratio:1;background:#f4f4f5;overflow:hidden;position:relative}
.product-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.product-card:hover img{transform:scale(1.05)}
.product-card .badge-discount{position:absolute;top:10px;left:10px;background:var(--danger);color:#fff;font-size:.7rem;padding:4px 10px;border-radius:999px;font-weight:600}
.product-card .wish-btn{position:absolute;top:10px;right:10px;background:#fff;border:0;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);transition:.2s}
.product-card .wish-btn:hover{color:var(--danger);transform:scale(1.1)}
.product-card .body{padding:1rem;display:flex;flex-direction:column;flex:1}
.product-card h6{font-size:.95rem;font-weight:600;margin:0 0 .35rem;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.price-row{display:flex;align-items:baseline;gap:.5rem;margin-top:auto}
.price{font-weight:700;font-size:1.1rem}
.price-old{text-decoration:line-through;color:var(--muted);font-size:.85rem}
.rating{color:#f59e0b;font-size:.8rem}
.stock-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.stock-dot.in{background:var(--success)} .stock-dot.low{background:var(--warning)} .stock-dot.out{background:var(--danger)}
.btn-cart{margin-top:.75rem;border-radius:10px;font-weight:600;background:var(--ink);color:#fff;border:0;padding:.55rem;transition:.2s}
.btn-cart:hover{background:var(--accent)}
.btn-cart.added{background:var(--success);transform:scale(.97)}

/* Skeleton */
.skel{background:linear-gradient(90deg,#eee,#f5f5f5,#eee);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:8px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Category cards */
.cat-card{display:block;border-radius:var(--radius);overflow:hidden;position:relative;aspect-ratio:4/3;box-shadow:var(--shadow-sm);transition:.3s;background:var(--grad)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cat-card .name{position:absolute;bottom:14px;left:16px;color:#fff;font-weight:700;font-size:1.1rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}

/* Forms */
.auth-card{max-width:440px;margin:3rem auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;box-shadow:var(--shadow)}
.form-control,.form-select{border-radius:10px;padding:.7rem .9rem;border:1px solid var(--border)}
.form-control:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.btn-primary{background:var(--ink);border:0;border-radius:10px;padding:.7rem 1.4rem;font-weight:600}
.btn-primary:hover{background:var(--accent)}

/* Cart/Checkout */
.cart-item{display:flex;gap:1rem;padding:1rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem}
.cart-item img{width:90px;height:90px;border-radius:10px;object-fit:cover}
.qty-input{width:60px;text-align:center}
.summary-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;position:sticky;top:90px}

/* Filters */
.filter-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}

/* Footer */
.shop-footer{background:#fff;border-top:1px solid var(--border)}
.shop-footer h6{font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em}
.shop-footer a{color:var(--muted)}
.shop-footer a:hover{color:var(--ink)}

/* Toast */
.toast-pop{position:fixed;bottom:20px;right:20px;background:var(--ink);color:#fff;padding:.8rem 1.2rem;border-radius:12px;box-shadow:var(--shadow-lg);z-index:9999;animation:pop .3s ease;font-weight:500}
@keyframes pop{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

@media(max-width:768px){
  .hero{padding:2.5rem 1.5rem}
  .summary-card{position:static}
}