/* styles.css - sederhana, responsive */
:root{
  --accent:#ff5722;
  --muted:#666;
  --bg:#fff;
  --container-width:1100px;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:#fafafa;color:#222}
.container{max-width:var(--container-width);margin:0 auto;padding:16px}
.topbar{background:var(--accent);color:#fff;padding:10px 0}
.topbar .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;color:#fff;text-decoration:none;font-size:20px}
.top-right a{color:#fff;margin-left:12px;text-decoration:none;font-size:14px}

.product-page{display:flex;flex-wrap:wrap;gap:24px;padding:16px;background:#fff;margin-top:16px;border-radius:6px}
.left-col{flex:1;min-width:280px;max-width:680px}
.right-col{width:420px;min-width:260px}
.gallery{background:#f5f5f5;padding:12px;border-radius:6px}
.main-image img{width:100%;height:auto;border-radius:6px;display:block}
.thumbs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.thumb{width:68px;height:68px;object-fit:cover;border-radius:4px;cursor:pointer;border:2px solid transparent}
.thumb.active{border-color:var(--accent)}

.product-title{font-size:20px;margin:4px 0 8px}
.rating{color:var(--muted);font-size:14px;margin-bottom:12px}
.stars{color:#f5b301;margin-right:6px}

.price{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.current-price{font-size:28px;color:var(--accent);font-weight:700}
.old-price{text-decoration:line-through;color:var(--muted)}
.discount{background:#ffe8e0;color:var(--accent);padding:4px 6px;border-radius:4px;font-weight:600}

.shipping{margin-bottom:12px;color:var(--muted);font-size:14px}

.quantity{margin-bottom:12px}
.qty-control{display:flex;align-items:center;gap:6px}
.qty-control button{width:36px;height:36px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer}
.qty-control input{width:64px;text-align:center;padding:6px;border:1px solid #ddd;border-radius:4px}

.actions{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.btn{padding:12px 16px;border-radius:6px;cursor:pointer;border:0;font-weight:600;text-decoration:none;display:inline-block;text-align:center}
.btn.outline{background:#fff;border:1px solid var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);color:#fff}

/* About & Contact */
.about-page, .contact-page{background:#fff;padding:20px;border-radius:6px;margin-top:16px}
.about-page h1, .contact-page h1{margin-top:0}
.contact-form input, .contact-form textarea{
  width:100%;padding:8px;margin-top:6px;margin-bottom:12px;border:1px solid #ddd;border-radius:4px;font-size:14px
}

.footer{padding:20px 0;margin-top:20px;color:#888; text-align:center}

/* Responsive */
@media (max-width:900px){
  .product-page{padding:12px}
  .right-col{width:100%}
  .left-col{width:100%}
}