:root{--bg:#f7f7f9;--fg:#111;--muted:#6b7280;--primary:#111;--accent:#0ea5e9;--card:#fff;--border:#e5e7eb}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Noto Sans',Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg)}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:16px}
.header{display:flex;align-items:center;gap:24px;padding:12px 0}
.logo-badge{display:inline-flex;align-items:center;justify-content:center;background:#000;color:#fff;font-weight:800;border-radius:10px;padding:6px 10px;letter-spacing:.5px}
.nav{display:flex;gap:16px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:10px;background:var(--card);border:1px solid var(--border);transition:.2s}
.nav a:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.08)}
.searchbar{margin-left:auto;display:flex;gap:8px}
.searchbar input{padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;min-width:220px}
.btn{display:inline-block;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:var(--card);cursor:pointer;transition:.2s;font-weight:600}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.btn.primary{background:#111;color:#fff;border-color:#111}
.btn.accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.card .thumb{position:relative;padding-top:70%;background:#fafafa;overflow:hidden}
.card .thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .thumb img{transform:scale(1.03)}
.card .content{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}
.price{font-weight:800}
.muted{color:var(--muted)}
.footer{margin-top:40px;padding:24px 0;border-top:1px solid var(--border);color:var(--muted)}
.badge{padding:4px 8px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:12px}
.cart-bubble{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;border-radius:999px;background:#111;color:#fff;font-size:12px;font-weight:700;padding:0 6px}

/* collapsible categories */
.cat-wrap{margin:12px 0}
/* увеличенная кнопка категорий */
.cat-toggle{
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:8px;          /* пространство между текстом и иконкой */
  padding:10px 16px; /* внутренние отступы */
  font-size:16px;    /* размер текста */
  font-weight:600;   /* жирнее */
  border-radius:14px; /* округлые углы */
  background: var(--card);
  border: 1px solid var(--border);
  transition: 0.2s;
}
.cat-toggle:hover{
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,.08);
}
.cat-list{margin:8px 0 16px 0;display:none;gap:8px;flex-wrap:wrap}
.cat-list.open{display:flex} /* ✅ добавлено */
.cat-item{padding:6px 10px;border:1px solid var(--border);border-radius:12px;background:#fff}

/* product page */
.product{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.gallery img{width:100%;height:260px;object-fit:cover;border-radius:12px;cursor:pointer}
.sku{font-size:13px;color:var(--muted)}
.bigprice{font-size:24px;font-weight:800;margin:8px 0}

/* lightbox */
.lb{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.8);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:999
}
.lb.open{display:flex}
.lb img{
  max-width:90vw;
  max-height:90vh;
  object-fit:contain;
  border-radius:12px;
  background:#000
}

/* forms */
label{display:block;margin:8px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}

/* admin */
.admin-nav{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}

/* buy button */
.btn.buy{background:#111;color:#fff;border-color:#111;padding:12px 16px;font-size:16px;border-radius:14px}
.btn.buy:hover{box-shadow:0 10px 24px rgba(0,0,0,.12)}

.error{color:#b91c1c;background:#fee;border:1px solid #fecaca;padding:10px;border-radius:10px;margin:8px 0}
.success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;padding:10px;border-radius:10px;margin:8px 0}

.breadcrumbs {
  margin: 15px 0;
  font-size: 16px;  
  font-weight: 500;  
  color: #555;  
}

.breadcrumbs a {
  text-decoration: none;
  color: #555;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* responsive */
@media(max-width:960px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .product{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr}
}

/* --- Адаптивный патч --- */
html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

img, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

.product {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .product {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .gallery img {
    width: 100%;
    height: auto;
  }

  .bigprice {
    font-size: 20px;
  }
}

/* --- Адаптивность шапки --- */
.header {
  display: flex;
  flex-wrap: wrap; 
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.header .logo-badge {
  font-size: 20px;
  font-weight: bold;
}

.header .nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.searchbar {
  flex: 1;
  display: flex;
  max-width: 400px;
}

.searchbar input {
  flex: 1;
  padding: 6px;
}

.searchbar button {
  padding: 6px 10px;
}

.header .btn {
  white-space: nowrap; 
}

/* --- Мобильная версия --- */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .nav {
    justify-content: center;
  }

  .searchbar {
    width: 100%;
    max-width: 100%;
  }

  .header .btn[href*="cart.php"] {
    align-self: center;
    width: 100%;
  }
}