*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,Arial,sans-serif;background:#f5f7fb;color:#222;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 15px}
.site-header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.top-bar{background:var(--secondary,#0f3460);color:#fff;font-size:13px;padding:8px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.top-links a{margin-left:15px}
.main-bar .container{display:flex;align-items:center;gap:20px;padding:18px 15px}
.logo{font-size:28px;font-weight:800;color:var(--primary)}
.search{flex:1;display:flex;border:2px solid var(--primary);border-radius:30px;overflow:hidden;max-width:600px}
.search input{flex:1;border:0;padding:10px 18px;outline:none;font-size:14px}
.search button{background:var(--primary);color:#fff;border:0;padding:0 22px;cursor:pointer;font-size:16px}
.header-icons{display:flex;gap:18px;font-size:22px;color:var(--secondary)}
.cart-link{position:relative}
.cart-count{position:absolute;top:-8px;right:-10px;background:var(--primary);color:#fff;border-radius:50%;font-size:11px;width:20px;height:20px;display:flex;align-items:center;justify-content:center}
.top-nav{background:var(--secondary);color:#fff}
.top-nav ul{display:flex;flex-wrap:wrap;list-style:none;gap:2px}
.top-nav a{display:block;padding:12px 14px;font-size:13px;font-weight:600;color:#fff!important;transition:.2s}
.top-nav a:hover{background:rgba(255,255,255,.12)}
.layout{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:20px 15px}
.sidebar{background:#fff;border-radius:10px;padding:15px;box-shadow:0 2px 8px rgba(0,0,0,.05);height:fit-content;position:sticky;top:170px}
.sidebar h3{font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.side-cats{list-style:none}
.side-cats li a{display:flex;align-items:center;gap:10px;padding:9px 10px;font-size:13.5px;border-left:3px solid transparent;border-radius:4px;transition:.2s}
.side-cats li a:hover{background:#f5f7fb;border-left-width:5px}
.content{min-height:60vh}
.hero-slider{margin-bottom:25px;border-radius:12px;overflow:hidden}
.hero-slider img{width:100%;height:380px;object-fit:cover}
.section-title{font-size:22px;margin:25px 0 15px;border-left:4px solid var(--primary);padding-left:12px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.product-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:.25s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.product-card .img{height:200px;background:#f5f5f5;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card .img img{width:100%;height:100%;object-fit:cover}
.product-card .info{padding:12px}
.product-card h3{font-size:14px;margin-bottom:8px;min-height:42px;color:#333}
.price{color:var(--primary);font-weight:800;font-size:18px}
.old-price{color:#999;text-decoration:line-through;font-size:13px;margin-right:6px}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:10px 18px;border-radius:6px;border:0;cursor:pointer;font-weight:600;transition:.2s}
.btn:hover{filter:brightness(1.1)}
.btn-block{display:block;width:100%;text-align:center}
.site-footer{background:var(--secondary);color:#fff;padding:40px 0 0;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding-bottom:30px}
.foot-grid h4{margin-bottom:14px;color:var(--primary)}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:6px}
.social a{display:inline-block;margin-right:10px;font-size:22px;margin-top:8px}
.copy{border-top:1px solid rgba(255,255,255,.15);padding:18px 0;text-align:center;font-size:13px}

/* Floating tools */
.floating-tools{position:fixed;left:20px;bottom:20px;display:flex;flex-direction:column;gap:10px;z-index:9999}
.wa-btn,.chat-btn{display:flex;align-items:center;gap:8px;padding:12px 18px;border-radius:50px;font-weight:600;border:0;cursor:pointer;color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.25);font-size:14px}
.wa-btn{background:#25D366}
.chat-btn{background:var(--primary)}
.chat-box{position:fixed;left:20px;bottom:130px;width:320px;height:430px;background:#fff;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.25);display:none;flex-direction:column;z-index:9999;overflow:hidden}
.chat-box.open{display:flex}
.chat-head{background:var(--primary);color:#fff;padding:12px;font-weight:700;display:flex;justify-content:space-between}
.chat-body{flex:1;padding:12px;overflow-y:auto;font-size:13px;background:#f5f7fb}
.chat-form{display:flex;flex-direction:column;gap:6px;padding:8px;border-top:1px solid #eee}
.chat-form input{padding:8px;border:1px solid #ddd;border-radius:5px;font-size:13px}
.chat-form button{background:var(--primary);color:#fff;border:0;padding:8px;border-radius:5px;cursor:pointer}
.chat-msg{margin-bottom:8px;padding:8px 10px;border-radius:8px;background:#fff;max-width:85%}
.chat-msg.admin{background:var(--primary);color:#fff;margin-left:auto}

/* Forms */
.form-box{background:#fff;padding:30px;border-radius:10px;max-width:480px;margin:30px auto;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.form-box h2{margin-bottom:20px;color:var(--secondary)}
.form-group{margin-bottom:14px}
.form-group label{display:block;margin-bottom:5px;font-weight:600;font-size:13px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;font-size:14px;font-family:inherit}
.alert{padding:12px;border-radius:6px;margin-bottom:15px}
.alert-success{background:#d4edda;color:#155724}
.alert-error{background:#f8d7da;color:#721c24}

@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .foot-grid{grid-template-columns:1fr}
  .main-bar .container{flex-wrap:wrap}
  .search{order:3;width:100%;max-width:none}
}