/* ==========================================================================
   nexsole — storefront styles (mobile-first, no frameworks)
   ========================================================================== */
:root {
  --brand: #1d4ed8;
  --brand-dark: #1e40af;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --sale: #dc2626;
  --ok: #15803d;
  --warn: #b45309;
  --radius: 12px;
  --shadow: 0 4px 18px rgba(15, 23, 42, .08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.25; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section { padding: 40px 0; }
.page-title { margin: 0 0 4px; font-size: 1.7rem; letter-spacing: -.5px; }
.page-sub { color: var(--muted); margin: 0 0 20px; }
.muted { color: var(--muted); }

/* ---------- top bar & header ---------- */
.topbar { background: var(--ink); color: #fff; font-size: .8rem; text-align: center; padding: 8px 0; }
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 16px; height: 64px; position: relative; }
.logo { font-size: 1.6rem; font-weight: 800; letter-spacing: -.5px; color: var(--ink); text-decoration: none; }
.logo span { color: var(--brand); }
.main-nav { display: none; gap: 24px; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.main-nav a:hover { color: var(--brand); }
.nav-sale { color: var(--sale) !important; }
.main-nav.open {
  display: flex; position: absolute; top: 64px; left: 0; right: 0;
  background: #fff; flex-direction: column; padding: 8px 16px 20px;
  border-bottom: 1px solid var(--line); gap: 4px;
}
.main-nav.open a { padding: 10px 4px; border-top: 1px solid var(--bg-soft); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.hicon { position: relative; color: var(--ink); display: inline-flex; padding: 8px; border-radius: 8px; }
.hicon:hover { background: var(--bg-soft); }
.cart-count {
  position: absolute; top: 0; right: 0; background: var(--sale); color: #fff;
  font-size: .7rem; font-weight: 700; min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}
.menu-toggle { display: flex; flex-direction: column; gap: 4px; background: none; border: 0; cursor: pointer; padding: 10px 8px; }
.menu-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
@media (min-width: 860px) {
  .main-nav { display: flex; margin-left: 24px; }
  .menu-toggle { display: none; }
}

.site-main { min-height: 60vh; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 10px; font-weight: 700;
  text-decoration: none; border: 0; cursor: pointer; font-size: 1rem; font-family: inherit;
  background: var(--bg-soft); color: var(--ink); text-align: center;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-light { background: #fff; color: var(--brand-dark); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn-ghost:hover { border-color: #fff; }
.btn-plain { background: transparent; color: var(--brand); border: 1px solid var(--line); }
.btn-block { display: block; width: 100%; margin-top: 12px; }
.btn-sm { padding: 8px 14px; font-size: .85rem; border-radius: 8px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.link-more { color: var(--brand); font-weight: 600; text-decoration: none; white-space: nowrap; }
.link-danger { background: none; border: 0; color: var(--sale); cursor: pointer; font-size: .85rem; padding: 4px; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(135deg, #0b1e4b 0%, #1d4ed8 100%); color: #fff; padding: 56px 0; }
.hero-inner { display: grid; gap: 32px; }
.hero-kicker { text-transform: uppercase; letter-spacing: 2px; font-size: .75rem; color: #bfdbfe; font-weight: 700; margin: 0; }
.hero h1 { font-size: 2.2rem; margin: .4em 0; letter-spacing: -1px; }
.hero-copy p { color: #dbeafe; max-width: 34rem; }
.hero-cta { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.hero-art { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-tile {
  background: rgba(255,255,255,.12); border-radius: 16px; padding: 22px 12px;
  text-align: center; backdrop-filter: blur(2px);
}
.hero-tile span { font-size: 2rem; display: block; }
.hero-tile small { color: #dbeafe; font-size: .8rem; }
@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.2fr .8fr; align-items: center; }
  .hero h1 { font-size: 3rem; }
}

/* ---------- sections, grids, cards ---------- */
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: 1.4rem; letter-spacing: -.3px; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card-media { position: relative; display: block; aspect-ratio: 1 / 1; background: var(--bg-soft); }
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge {
  position: absolute; top: 10px; left: 10px; background: var(--sale); color: #fff;
  font-weight: 800; font-size: .8rem; padding: 4px 10px; border-radius: 20px;
}
.card-body { padding: 12px 14px 16px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card-cat { font-size: .7rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin: 0; }
.card-title { font-size: .95rem; margin: 0; line-height: 1.4; }
.card-title a { color: var(--ink); text-decoration: none; }
.card-title a:hover { color: var(--brand); }
.card-price { font-weight: 800; font-size: 1.05rem; margin: 6px 0 0; }
.card-price s { color: var(--muted); font-weight: 400; font-size: .85rem; margin-left: 6px; }

.band { background: #fff7ed; border-top: 1px solid #fed7aa; border-bottom: 1px solid #fed7aa; }

.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px) { .cat-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .cat-grid { grid-template-columns: repeat(7, 1fr); } }
.cat-tile {
  background: hsl(var(--hue, 210), 60%, 95%); border: 1px solid hsl(var(--hue, 210), 40%, 87%);
  border-radius: var(--radius); padding: 18px 14px; text-decoration: none; color: var(--ink);
  transition: transform .15s;
}
.cat-tile:hover { transform: translateY(-2px); }
.cat-name { font-weight: 700; display: block; font-size: .92rem; }
.cat-count { font-size: .8rem; color: var(--muted); }

.trust { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 860px) { .trust { grid-template-columns: repeat(4, 1fr); } }
.trust-item { background: var(--bg-soft); border-radius: var(--radius); padding: 20px; text-align: center; }
.trust-item span { font-size: 1.8rem; }
.trust-item h3 { margin: 8px 0 4px; font-size: 1rem; }
.trust-item p { margin: 0; color: var(--muted); font-size: .9rem; }

/* ---------- forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.form-card h2 { margin-top: 0; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 1rem; font-family: inherit; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--brand); border-color: var(--brand);
}
.field-row { display: grid; gap: 0 16px; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.checkline { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .9rem; }
.checkline input { width: auto; }
.form-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; }
.form-error ul { margin: 8px 0 0; padding-left: 20px; }
.flash { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; padding: 12px 16px; border-radius: 8px; margin: 16px 0; }
.pay-option {
  display: block; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
  margin-bottom: 12px; cursor: pointer; font-size: .95rem;
}
.pay-option input { margin-right: 8px; accent-color: var(--brand); }

/* ---------- filters ---------- */
.filters { background: var(--bg-soft); border-radius: var(--radius); padding: 16px; margin-bottom: 24px; display: grid; gap: 12px; }
.filters .field { margin-bottom: 0; }
.field-check { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.filter-btns { display: flex; gap: 8px; margin-left: auto; }
@media (min-width: 760px) {
  .filters { grid-template-columns: 2fr 1fr 1fr auto; align-items: end; }
}

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin-bottom: 16px; }
.table { width: 100%; border-collapse: collapse; min-width: 560px; }
.table th, .table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: .92rem; vertical-align: middle; }
.table th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }

/* ---------- cart & checkout ---------- */
.cart-layout, .checkout-layout { display: grid; gap: 24px; }
@media (min-width: 960px) {
  .cart-layout { grid-template-columns: 2fr 1fr; align-items: start; }
  .checkout-layout { grid-template-columns: 1.5fr 1fr; align-items: start; }
}
.cart-prod { display: flex; align-items: center; gap: 12px; }
.cart-prod img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.cart-prod a { color: var(--ink); text-decoration: none; font-weight: 600; }
.qty-input { width: 70px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; }
.cart-summary { background: var(--bg-soft); border-radius: var(--radius); padding: 20px; }
.cart-summary h2 { margin-top: 0; font-size: 1.15rem; }
.sum-row { display: flex; justify-content: space-between; gap: 12px; margin: 8px 0; font-size: .95rem; }
.sum-total { font-weight: 800; font-size: 1.15rem; border-top: 1px solid var(--line); padding-top: 12px; }
.sum-note { font-size: .85rem; color: var(--muted); }
.bank-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; max-width: 520px; margin: 24px auto; text-align: left; }
.bank-box h2 { margin-top: 0; font-size: 1.15rem; }

/* ---------- product detail ---------- */
.breadcrumb { font-size: .85rem; color: var(--muted); margin: 4px 0 20px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.product-layout { display: grid; gap: 28px; }
@media (min-width: 900px) { .product-layout { grid-template-columns: 1fr 1fr; } }
.product-media { position: relative; }
.product-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); aspect-ratio: 1 / 1; object-fit: cover; }
.product-media .badge { top: 16px; left: 16px; font-size: .9rem; }
.product-info h1 { margin: 6px 0 12px; font-size: 1.6rem; letter-spacing: -.5px; }
.price-big { font-size: 1.8rem; font-weight: 800; margin: 0 0 8px; }
.price-big s { color: var(--muted); font-weight: 400; font-size: 1.1rem; margin-left: 8px; }
.save { font-size: .85rem; color: var(--sale); font-weight: 700; }
.stock-ok { color: var(--ok); font-weight: 600; }
.stock-low { color: var(--warn); font-weight: 600; }
.stock-out { color: var(--sale); font-weight: 600; }
.product-short { color: var(--muted); }
.buy-row { display: flex; gap: 12px; align-items: end; margin: 20px 0; flex-wrap: wrap; }
.qty-label { font-weight: 600; font-size: .9rem; display: flex; flex-direction: column; gap: 6px; }
.product-meta { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; font-size: .92rem; color: var(--muted); }
.product-desc { margin-top: 40px; max-width: 60rem; }
.product-desc h2 { font-size: 1.3rem; }

/* ---------- account / contact / misc ---------- */
.auth-grid { display: grid; gap: 24px; max-width: 920px; margin: 0 auto; }
@media (min-width: 800px) { .auth-grid { grid-template-columns: 1fr 1fr; } }
.account-grid { display: grid; gap: 24px; }
@media (min-width: 960px) { .account-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.contact-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.5fr 1fr; } }
.contact-info { background: var(--bg-soft); border-radius: var(--radius); padding: 24px; align-self: start; }
.contact-info h2, .contact-info h3 { margin-top: 0; }
.empty { text-align: center; padding: 60px 20px; }
.empty h1 { margin-bottom: 8px; }
.empty p { color: var(--muted); margin-bottom: 20px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #cbd5e1; margin-top: 64px; }
.footer-grid { display: grid; gap: 32px; padding: 48px 0 32px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.site-footer .logo { color: #fff; }
.f-col h4 { color: #fff; margin: 0 0 12px; font-size: .95rem; }
.f-col a { display: block; color: #cbd5e1; text-decoration: none; margin-bottom: 8px; font-size: .92rem; }
.f-col a:hover { color: #fff; }
.f-col p { font-size: .92rem; margin: 0; }
.f-brand p { font-size: .92rem; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 16px 0; font-size: .85rem; }

@media (max-width:640px){ .site-header .logo img{height:32px !important;} } @media (max-width:640px){ .footer-grid{padding-left:16px;padding-right:16px;} }