:root {
  --red: #8f1d22;
  --red-dark: #6e151a;
  --gold: #d4af5a;
  --gold-dark: #b8933e;
  --cream: #faf6ef;
  --ink: #2b2220;
  --muted: #7a6f6a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--cream);
  color: var(--ink);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--red);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  background: var(--gold);
  color: var(--red-dark);
  font-weight: 800;
  padding: 8px 10px;
  border-radius: 8px;
  letter-spacing: 1px;
}
.site-header h1 { margin: 0; font-size: 1.4rem; letter-spacing: 2px; }
.tagline { margin: 0; font-size: 0.85rem; color: #f3dfba; }
.header-right { display: flex; align-items: center; gap: 10px; }
.whoami { font-size: 0.85rem; color: #f3dfba; }

.banner {
  background: var(--gold);
  color: var(--red-dark);
  text-align: center;
  font-weight: 600;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid #e5ddd2;
  overflow-x: auto;
}
.tab {
  border: none;
  background: none;
  padding: 12px 18px;
  font-size: 1rem;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.tab.active { color: var(--red); border-bottom-color: var(--red); font-weight: 700; }
.badge {
  background: var(--red);
  color: #fff;
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 0.75rem;
}

main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.card {
  background: #fff;
  border: 1px solid #e5ddd2;
  border-radius: 12px;
  padding: 14px;
}
.product-card img {
  width: 100%;
  border-radius: 8px;
  display: block;
  aspect-ratio: 1;
  object-fit: cover;
}
.product-card h3 { margin: 10px 0 2px; font-size: 1rem; }
.product-card .vi-name { color: var(--muted); font-size: 0.85rem; margin: 0 0 8px; }
.product-card .price { color: var(--red); font-weight: 700; font-size: 1.05rem; }
.card-actions { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.qty-input { width: 60px; padding: 6px; border: 1px solid #d8cfc4; border-radius: 6px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-gold { background: var(--gold); color: var(--red-dark); }
.btn-gold:hover { background: var(--gold-dark); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid currentColor; color: inherit; }
.site-header .btn-ghost { color: #f3dfba; }
.btn:disabled { opacity: 0.5; cursor: wait; }

.form { display: flex; flex-direction: column; gap: 12px; max-width: 560px; margin-top: 14px; }
.form label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.92rem; }
.form input, .form textarea {
  padding: 9px 10px;
  border: 1px solid #d8cfc4;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--gold); border-color: var(--gold); }

.auth-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 700px) { .auth-cols { grid-template-columns: 1fr; } }

.cart-line {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #e5ddd2;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
}
.cart-line img { width: 56px; height: 56px; border-radius: 6px; object-fit: cover; }
.cart-line .grow { flex: 1; }
.cart-line .line-price { font-weight: 700; color: var(--red); white-space: nowrap; }

.summary {
  background: #fff;
  border: 1px solid var(--gold);
  border-radius: 10px;
  padding: 14px;
  max-width: 560px;
  margin-top: 14px;
}
.summary-row { display: flex; justify-content: space-between; padding: 4px 0; }
.summary-row.gold { color: var(--gold-dark); font-size: 1.1rem; border-top: 1px dashed #e5ddd2; margin-top: 6px; padding-top: 10px; }

.status { margin-top: 12px; padding: 10px 14px; border-radius: 8px; background: #fdf3e0; border: 1px solid var(--gold); }
.status.error { background: #fbe4e4; border-color: var(--red); color: var(--red-dark); }
.result { margin-top: 16px; padding: 14px; border-radius: 8px; background: #e9f5e9; border: 1px solid #7cb87c; }

.preview { margin-top: 18px; }
.preview img { max-width: 420px; width: 100%; border-radius: 12px; border: 2px solid var(--gold); display: block; }

.muted { color: var(--muted); }
.hidden { display: none !important; }

.order-item {
  background: #fff;
  border: 1px solid #e5ddd2;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  max-width: 640px;
}
.order-item .order-head { display: flex; justify-content: space-between; font-weight: 700; }
.order-item ul { margin: 8px 0; padding-left: 18px; }
.order-item img { max-width: 200px; border-radius: 8px; margin-top: 8px; }
.status-pill {
  font-size: 0.78rem;
  background: var(--gold);
  color: var(--red-dark);
  border-radius: 10px;
  padding: 2px 10px;
  font-weight: 700;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 24px 12px;
  border-top: 1px solid #e5ddd2;
}