:root {
  --bg: #faf7f2;
  --surface: #ffffff;
  --primary: #7b1e2b;
  --primary-dark: #5c141e;
  --gold: #c8a45c;
  --text: #2a2320;
  --muted: #8a7d74;
  --border: #ece4da;
  --shadow: 0 6px 22px rgba(80, 40, 30, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

/* Header */
.top-bar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow); }
.header-flex { display: flex; align-items: center; gap: 18px; padding: 12px 18px; }
.logo { font-size: 22px; font-weight: 800; color: var(--primary); white-space: nowrap; }
.search { flex: 1; display: flex; max-width: 520px; }
.search input { flex: 1; border: 1px solid var(--border); border-right: none; border-radius: 999px 0 0 999px; padding: 10px 16px; font-size: 14px; outline: none; }
.search button { border: none; background: var(--primary); color: #fff; padding: 0 22px; border-radius: 0 999px 999px 0; cursor: pointer; font-size: 14px; }
.search button:hover { background: var(--primary-dark); }
.nav { display: flex; align-items: center; gap: 16px; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--primary); }
.cart-link { position: relative; }
.cart-count { position: absolute; top: -8px; right: -12px; background: var(--gold); color: #fff; font-size: 11px; border-radius: 999px; padding: 1px 6px; min-width: 18px; text-align: center; }
.account-area { color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.account-area .account { color: var(--primary); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 54px 18px; text-align: center; }
.hero h1 { margin: 0 0 10px; font-size: 32px; letter-spacing: 1px; }
.hero p { margin: 0; opacity: .85; }
.hero .tag { display: inline-block; margin-top: 16px; border: 1px solid var(--gold); color: var(--gold); padding: 6px 18px; border-radius: 999px; font-size: 13px; }

/* Layout */
.main { padding: 26px 0 48px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 20px; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--border); background: var(--surface); padding: 6px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; }
.chip.active, .chip:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.spacer { flex: 1; }
select.sort { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; background: var(--surface); font-size: 13px; }

/* Product grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .15s, box-shadow .15s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .media { height: 180px; display: flex; align-items: center; justify-content: center; background: #f3ede4; }
.card .media img { width: 100%; height: 100%; object-fit: cover; }
.card .ph-img { font-size: 64px; }
.card .body { padding: 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .brand { font-size: 12px; color: var(--muted); }
.card .name { font-size: 15px; font-weight: 600; }
.card .meta { font-size: 12px; color: var(--muted); }
.card .price { color: var(--primary); font-weight: 700; font-size: 18px; margin-top: auto; }
.card .price .old { color: var(--muted); font-weight: 400; font-size: 13px; text-decoration: line-through; margin-left: 6px; }
.card .add { margin-top: 10px; border: none; background: var(--primary); color: #fff; padding: 9px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.card .add:hover { background: var(--primary-dark); }

/* Detail */
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.detail .media { height: 360px; background: #f3ede4; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.detail .media img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.detail .ph-img { font-size: 120px; }
.detail h1 { margin: 0 0 6px; font-size: 26px; }
.detail .brand { color: var(--muted); }
.detail .price { color: var(--primary); font-size: 28px; font-weight: 800; margin: 14px 0; }
.detail .spec { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.detail .spec span { background: #f5efe6; border-radius: 8px; padding: 6px 12px; font-size: 13px; }
.detail .desc { color: #5a504a; }
.btn-buy { display: inline-block; margin-top: 18px; background: var(--primary); color: #fff; border: none; padding: 12px 30px; border-radius: 999px; font-size: 16px; cursor: pointer; }
.btn-buy:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }

/* Tables / lists */
.section-title { font-size: 20px; font-weight: 700; margin: 0 0 16px; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; }

.order-card, .cart-row { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
.order-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-bottom: 1px dashed var(--border); padding-bottom: 10px; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.status-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; background: #f0e6d8; color: var(--primary); }
.order-item, .cart-row { display: flex; gap: 14px; align-items: center; padding: 8px 0; }
.order-item .media, .cart-row .media { width: 64px; height: 64px; background: #f3ede4; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 30px; flex-shrink: 0; }
.order-item .media img, .cart-row .media img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.order-item .info, .cart-row .info { flex: 1; }
.qty { display: inline-flex; align-items: center; gap: 8px; }
.qty button { width: 28px; height: 28px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; }
.order-total { text-align: right; font-weight: 700; margin-top: 10px; }

/* Forms */
.form-wrap { max-width: 420px; margin: 30px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form-wrap h2 { margin: 0 0 18px; text-align: center; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none; }
.field input:focus, .field textarea:focus { border-color: var(--primary); }
.btn-primary { width: 100%; background: var(--primary); color: #fff; border: none; padding: 12px; border-radius: 8px; font-size: 15px; cursor: pointer; margin-top: 6px; }
.btn-primary:hover { background: var(--primary-dark); }
.tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 18px; }
.tabs button { border: none; background: none; font-size: 15px; padding: 8px 16px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--primary); border-color: var(--primary); font-weight: 700; }
.link { text-align: center; margin-top: 12px; font-size: 13px; color: var(--muted); }
.link a { color: var(--primary); }

/* Toast */
.xt-toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px); background: rgba(42,35,32,.92); color: #fff; padding: 10px 20px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none; transition: .25s; z-index: 999; }
.xt-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.xt-toast.error { background: var(--primary); }

footer.site-footer { background: var(--primary-dark); color: #e8d9d2; font-size: 13px; }
footer.site-footer .container { padding: 24px 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
footer.site-footer a { color: #e8d9d2; text-decoration: underline; }
footer.site-footer a:hover { color: #fff; }

@media (max-width: 720px) {
  .header-flex { flex-wrap: wrap; }
  .search { order: 3; max-width: none; flex-basis: 100%; }
  .detail { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
}