/* Gmaster static storefront - plain CSS, mobile-first */
:root {
  --background: #ffffff;
  --foreground: #16181d;
  --card: #ffffff;
  --muted: #6b7280;
  --secondary: #eef1f6;
  --border: #e2e6ee;
  --primary: #1b3bd6;
  --primary-foreground: #ffffff;
  --accent: #e7ecfd;
  --destructive: #d64533;
  --radius: 12px;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--background); }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--foreground);
  background: var(--background);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-muted { color: var(--muted); }
.hide { display: none !important; }

/* ---------- Promo bar ---------- */
.promo {
  background: var(--foreground);
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 8px 16px;
}
.promo strong { color: #9db4ff; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 12px; height: 60px; }
.logo { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.logo span { color: var(--primary); }
.nav-desktop { display: none; gap: 20px; margin-left: 12px; flex: 1; }
.nav-desktop a { font-size: 14px; font-weight: 500; color: var(--foreground); }
.nav-desktop a:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px; border: none; background: transparent;
  color: var(--foreground); position: relative;
}
.icon-btn:hover { background: var(--secondary); }
.icon-btn svg { width: 22px; height: 22px; }
.cart-badge {
  position: absolute; top: 4px; right: 4px; min-width: 18px; height: 18px;
  padding: 0 4px; border-radius: 9px; background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.menu-btn { display: inline-flex; }

.mobile-menu {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding: 8px 16px 16px;
}
.mobile-menu a {
  display: block; padding: 12px; border-radius: 8px; font-size: 16px; font-weight: 500;
}
.mobile-menu a:hover { background: var(--secondary); }

@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .menu-btn { display: none; }
  .mobile-menu { display: none !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 10px; padding: 12px 18px; font-size: 14px; font-weight: 600;
  border: 2px solid transparent; transition: opacity .15s, background .15s, color .15s;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover { opacity: .9; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--accent); }
.btn-danger { background: var(--destructive); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background: var(--primary); color: #fff;
  padding: 40px 0;
}
.hero h1 { font-size: 30px; line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
.hero p { margin-top: 12px; color: #dbe3ff; max-width: 42ch; }
.hero .btn { margin-top: 20px; background: #fff; color: var(--primary); border: none; }

/* ---------- Trust badges ---------- */
.trust {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; margin: 20px 0;
}
.trust-item { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; }
.trust-top { display: flex; align-items: center; gap: 6px; }
.trust-icon {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--primary);
}
.trust-icon svg { width: 16px; height: 16px; }
.trust-title { font-size: 12px; font-weight: 600; line-height: 1.2; }
.trust-sub { font-size: 11px; color: var(--muted); line-height: 1.3; }
@media (min-width: 640px) {
  .trust { gap: 16px; padding: 24px; }
  .trust-icon { width: 44px; height: 44px; }
  .trust-icon svg { width: 20px; height: 20px; }
  .trust-title { font-size: 14px; }
  .trust-sub { font-size: 12px; }
}

/* ---------- Shop layout ---------- */
.section-title { font-size: 22px; font-weight: 800; margin: 8px 0 4px; letter-spacing: -0.01em; }
.shop { display: grid; gap: 20px; padding: 24px 0 48px; }
.filters {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.filters h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; margin: 0 6px 8px 0;
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--background); font-size: 13px; font-weight: 500;
}
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.toolbar select {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px; background: #fff;
}
@media (min-width: 900px) {
  .shop { grid-template-columns: 240px 1fr; align-items: start; }
}

/* ---------- Product grid + cards ---------- */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: var(--card); display: flex; flex-direction: column;
  transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: 0 8px 24px rgba(20,24,40,0.08); transform: translateY(-2px); }
.card-img { position: relative; aspect-ratio: 1/1; background: var(--secondary); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: 8px; left: 8px; z-index: 1;
  background: var(--primary); color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 8px; border-radius: 999px;
}
.card-body { padding: 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card-cat { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.card-name { font-size: 14px; font-weight: 600; line-height: 1.3; }
.card-rating { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.stars { color: #f5a623; letter-spacing: 1px; }
.price-row { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; }
.price { font-size: 16px; font-weight: 800; }
.old-price { font-size: 12px; color: var(--muted); text-decoration: line-through; }
.card .btn { margin-top: 10px; }
.view-more { display: flex; justify-content: center; margin-top: 32px; }

/* ---------- Product detail ---------- */
.detail { display: grid; gap: 28px; padding: 24px 0 48px; }
@media (min-width: 900px) { .detail { grid-template-columns: 1fr 1fr; } }
.gallery-main { position: relative; aspect-ratio: 1/1; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--secondary); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.thumb { aspect-ratio: 1/1; border: 2px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--secondary); padding: 0; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.active { border-color: var(--primary); }
.detail h1 { font-size: 24px; line-height: 1.2; letter-spacing: -0.01em; }
.detail .tagline { color: var(--muted); margin-top: 6px; }
.feature-list { list-style: none; margin: 16px 0; display: grid; gap: 8px; }
.feature-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.feature-list svg { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }
.assurance { display: grid; gap: 10px; margin-top: 20px; border-top: 1px solid var(--border); padding-top: 18px; }
.assurance div { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.assurance svg { width: 18px; height: 18px; color: var(--primary); }

.qty { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.qty button { width: 40px; height: 40px; border: none; background: transparent; font-size: 18px; }
.qty button:hover { background: var(--secondary); }
.qty span { width: 42px; text-align: center; font-weight: 600; }

/* ---------- Cart ---------- */
.page-title { font-size: 24px; font-weight: 800; margin: 24px 0 20px; }
.cart-grid { display: grid; gap: 28px; }
@media (min-width: 900px) { .cart-grid { grid-template-columns: 2fr 1fr; align-items: start; } }
.cart-item { display: flex; gap: 14px; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.cart-item .thumb-img { width: 84px; height: 84px; border-radius: 10px; overflow: hidden; background: var(--secondary); flex-shrink: 0; }
.cart-item .thumb-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item .info { flex: 1; display: flex; flex-direction: column; }
.cart-item .row { display: flex; justify-content: space-between; gap: 10px; }
.cart-item .name { font-size: 14px; font-weight: 600; }
.trash { border: none; background: transparent; color: var(--muted); padding: 2px; }
.trash:hover { color: var(--destructive); }
.trash svg { width: 18px; height: 18px; }
.confirm { margin-top: 12px; border: 1px solid var(--border); background: var(--secondary); border-radius: 10px; padding: 12px; }
.confirm-head { display: flex; align-items: center; justify-content: space-between; }
.confirm-head p { font-size: 12px; font-weight: 600; }
.confirm-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
@media (min-width: 480px) { .confirm-actions { flex-direction: row; } }
.confirm-actions .btn { flex: 1; padding: 9px 12px; font-size: 12px; }
.x-btn { border: none; background: transparent; color: var(--muted); }
.x-btn svg { width: 16px; height: 16px; }

.summary { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.summary h2 { font-size: 16px; font-weight: 800; margin-bottom: 12px; }
.summary .line { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; }
.summary .total { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 12px; font-size: 18px; font-weight: 800; }
.summary .note { font-size: 12px; color: var(--muted); margin-top: 8px; }

.saved-grid { display: grid; gap: 16px; margin-top: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .saved-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .saved-grid { grid-template-columns: repeat(3, 1fr); } }
.empty-box { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: center; color: var(--muted); }
.empty-state { text-align: center; padding: 60px 16px; }
.empty-state svg { width: 48px; height: 48px; color: var(--muted); margin: 0 auto 16px; }
.empty-state h1 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }

/* ---------- Checkout ---------- */
.checkout-grid { display: grid; gap: 28px; }
@media (min-width: 900px) { .checkout-grid { grid-template-columns: 3fr 2fr; align-items: start; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; font-weight: 600; }
.field input, .field textarea {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 14px; background: #fff;
  width: 100%;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); border-color: var(--primary); }
.field .err { color: var(--destructive); font-size: 12px; }
.two-col { display: grid; gap: 14px; }
@media (min-width: 560px) { .two-col { grid-template-columns: 1fr 1fr; } }
.card-box { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.card-box h2 { font-size: 18px; font-weight: 800; margin-bottom: 14px; }

.pay-opt { display: flex; align-items: flex-start; gap: 12px; border: 2px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.pay-opt.active { border-color: var(--primary); background: var(--accent); }
.pay-opt input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--primary); }
.pay-opt .pt { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.pay-opt .pt svg { width: 16px; height: 16px; color: var(--primary); }
.pay-opt .ps { font-size: 12px; color: var(--muted); margin-top: 2px; }
.bank-panel { border: 1px solid var(--border); background: var(--secondary); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.bank-panel .brow { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14px; padding: 3px 0; }
.bank-panel .brow dt { color: var(--muted); }
.copy-btn { border: none; background: transparent; color: var(--primary); padding: 4px; border-radius: 6px; }
.copy-btn:hover { background: var(--accent); }
.copy-btn svg { width: 16px; height: 16px; }
.secure-note { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.secure-note svg { width: 14px; height: 14px; }

.success { max-width: 560px; margin: 40px auto; text-align: center; padding: 0 16px; }
.success .check { width: 64px; height: 64px; color: #16a34a; margin: 0 auto; }
.success h1 { font-size: 24px; font-weight: 800; margin-top: 16px; }
.success .ref { margin-top: 16px; background: var(--secondary); border-radius: 10px; padding: 12px; font-size: 14px; }
.success .ref b { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.success .panel { margin-top: 16px; border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: left; font-size: 14px; }
.success .panel dl { margin-top: 10px; display: grid; gap: 4px; }
.success .panel .brow { display: flex; justify-content: space-between; gap: 10px; }
.success .panel dt { color: var(--muted); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--secondary); margin-top: 40px; }
.footer-inner { display: grid; gap: 24px; padding: 32px 0; grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-inner { grid-template-columns: repeat(3, 1fr); } }
.footer h4 { font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.footer a { display: block; font-size: 13px; color: var(--muted); padding: 4px 0; }
.footer a:hover { color: var(--primary); }
.footer .copy { border-top: 1px solid var(--border); text-align: center; font-size: 12px; color: var(--muted); padding: 16px; }