:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --primary-light:#eef2ff;
  --accent:#ec4899;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e9edf3;
  --bg:#f7f9fc;
  --white:#ffffff;
  --success:#16a34a;
  --danger:#dc2626;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 6px 24px rgba(15,23,42,.08);
  --shadow-lg:0 18px 50px rgba(15,23,42,.12);
  --glass:rgba(255,255,255,.72);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;height:auto}
.container-narrow{max-width:1180px;margin-inline:auto;padding-inline:16px}

/* ---------- Glass ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow);
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.site-header .navbar-brand{font-weight:800;font-size:1.35rem;letter-spacing:-.5px;color:var(--ink)}
.site-header .navbar-brand span{color:var(--primary)}
.nav-link{font-weight:500;color:var(--ink) !important;padding:.5rem .85rem !important;border-radius:10px}
.nav-link:hover,.nav-link.active{color:var(--primary) !important;background:var(--primary-light)}
.header-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;position:relative;color:var(--ink);background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.header-icon:hover{color:var(--primary);border-color:var(--primary)}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--accent);color:#fff;font-size:.68rem;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px}

/* ---------- Buttons ---------- */
.btn{border-radius:12px;font-weight:600;padding:.62rem 1.25rem;transition:all .2s;border:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(79,70,229,.28)}
.btn-outline-primary{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-primary:hover{background:var(--primary);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1e293b;color:#fff}
.btn-light{background:var(--white);border:1px solid var(--line);color:var(--ink)}
.btn-lg{padding:.85rem 1.75rem;font-size:1.02rem}
.btn-sm{padding:.4rem .85rem;font-size:.85rem}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#db2777;color:#fff}

/* ---------- Cards ---------- */
.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow-sm);overflow:hidden}
.product-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden;transition:all .25s;height:100%;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card .thumb{position:relative;aspect-ratio:1/1;overflow:hidden;background:#f1f5f9}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.product-card:hover .thumb img{transform:scale(1.06)}
.product-card .body{padding:14px 16px 18px;display:flex;flex-direction:column;flex:1}
.product-card .p-cat{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.product-card .p-name{font-weight:600;font-size:.98rem;margin:4px 0 8px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.product-card .p-price{margin-top:auto;display:flex;align-items:baseline;gap:8px}
.product-card .price-now{font-weight:800;font-size:1.15rem;color:var(--ink)}
.product-card .price-old{font-size:.9rem;color:var(--muted);text-decoration:line-through}
.badge-discount{position:absolute;top:10px;left:10px;background:var(--accent);color:#fff;font-weight:700;font-size:.78rem;padding:5px 10px;border-radius:999px;z-index:2}
.badge-soft{position:absolute;top:10px;right:10px;background:var(--ink);color:#fff;font-size:.7rem;font-weight:600;padding:4px 9px;border-radius:999px;z-index:2}
.fav-btn{position:absolute;bottom:10px;right:10px;width:38px;height:38px;border-radius:50%;background:var(--glass);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;color:var(--muted);z-index:2;transition:all .2s}
.fav-btn:hover,.fav-btn.active{color:var(--accent);transform:scale(1.1)}
.fav-btn.active i{font-weight:900}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section-sm{padding:36px 0}
.section-title{font-size:1.6rem;font-weight:800;letter-spacing:-.5px;margin-bottom:4px}
.section-sub{color:var(--muted);margin-bottom:28px}
.out-of-stock{filter:grayscale(.4);opacity:.75}

/* ---------- Hero / Slider ---------- */
.hero-slide{position:relative;border-radius:24px;overflow:hidden;min-height:380px;display:flex;align-items:center;box-shadow:var(--shadow-lg)}
.hero-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-slide .overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,42,.7),rgba(15,23,42,.15))}
.hero-slide .content{position:relative;z-index:2;color:#fff;padding:40px}
.hero-slide h2{font-size:2.4rem;font-weight:800;letter-spacing:-1px}
.hero-slide p{font-size:1.1rem;opacity:.92;max-width:460px}

/* ---------- Forms ---------- */
.form-control,.form-select{border-radius:12px;border:1.5px solid var(--line);padding:.7rem .95rem;font-size:.95rem}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.form-label{font-weight:600;font-size:.9rem;margin-bottom:.4rem}
.input-group-text{border-radius:12px;border:1.5px solid var(--line);background:#f8fafc}

/* ---------- Product detail ---------- */
.pd-gallery-main{border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;background:#f1f5f9;border:1px solid var(--line)}
.pd-gallery-main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumbs img{width:72px;height:72px;object-fit:cover;border-radius:12px;border:2px solid var(--line);cursor:pointer;transition:border-color .2s}
.pd-thumbs img.active,.pd-thumbs img:hover{border-color:var(--primary)}
.pd-price{font-size:2rem;font-weight:800}
.pd-price-old{font-size:1.2rem;color:var(--muted);text-decoration:line-through;margin-left:10px}
.qty-box{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:12px;overflow:hidden}
.qty-box button{width:42px;height:44px;border:none;background:var(--white);font-size:1.1rem;color:var(--ink);cursor:pointer}
.qty-box button:hover{background:var(--primary-light);color:var(--primary)}
.qty-box input{width:54px;height:44px;border:none;text-align:center;font-weight:600;-moz-appearance:textfield}
.qty-box input::-webkit-outer-spin-button,.qty-box input::-webkit-inner-spin-button{-webkit-appearance:none}

/* ---------- Cart ---------- */
.cart-item{display:flex;gap:16px;padding:16px;border-bottom:1px solid var(--line);align-items:center}
.cart-item:last-child{border-bottom:none}
.cart-item .thumb{width:82px;height:82px;border-radius:12px;overflow:hidden;flex-shrink:0;background:#f1f5f9}
.cart-item .thumb img{width:100%;height:100%;object-fit:cover}
.summary-row{display:flex;justify-content:space-between;padding:8px 0;color:var(--muted)}
.summary-row.total{color:var(--ink);font-weight:800;font-size:1.2rem;border-top:1.5px solid var(--line);margin-top:8px;padding-top:16px}

/* ---------- Steps / badges ---------- */
.status-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:.82rem;font-weight:600}
.order-timeline{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}
.order-step{flex:1;min-width:120px;text-align:center;padding:14px;border-radius:14px;background:#f8fafc;border:1px solid var(--line);color:var(--muted)}
.order-step.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}
.order-step i{font-size:1.4rem;display:block;margin-bottom:6px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cbd5e1;padding:56px 0 24px;margin-top:56px}
.site-footer h5{color:#fff;font-weight:700;margin-bottom:18px;font-size:1rem}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:#fff}
.site-footer .foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:.85rem;color:#94a3b8}
.social-ico{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:#fff;margin-right:8px}
.social-ico:hover{background:var(--primary);color:#fff}

/* ---------- Utility ---------- */
.text-primary{color:var(--primary) !important}
.bg-soft{background:var(--primary-light)}
.divider{height:1px;background:var(--line);margin:24px 0}
.empty-state{text-align:center;padding:64px 20px;color:var(--muted)}
.empty-state i{font-size:3.5rem;color:var(--line);margin-bottom:16px}
.chip{display:inline-block;padding:7px 16px;border-radius:999px;border:1.5px solid var(--line);font-weight:500;font-size:.9rem;background:var(--white);transition:all .2s}
.chip:hover,.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}

@media (max-width:768px){
  .hero-slide{min-height:300px}
  .hero-slide h2{font-size:1.7rem}
  .hero-slide .content{padding:24px}
  .section{padding:40px 0}
  .pd-price{font-size:1.6rem}
}

/* Toast */
.toast-container{position:fixed;top:20px;right:20px;z-index:9999}
.app-toast{min-width:280px;background:var(--white);border-radius:14px;box-shadow:var(--shadow-lg);padding:14px 18px;margin-bottom:10px;display:flex;align-items:center;gap:12px;border-left:4px solid var(--success);animation:slideIn .3s}
.app-toast.error{border-left-color:var(--danger)}
@keyframes slideIn{from{transform:translateX(120%)}to{transform:translateX(0)}}