/* Urikiri 3.1 base */
:root{
  --bg:#f7f8fb;--card:#fff;--line:#e6e8ee;--text:#0f172a;--muted:#6b7280;
  --accent:#4f46e5;--accent2:#4338ca;--shadow:0 6px 22px rgba(0,0,0,.06);
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font:14px/1.55 system-ui,-apple-system,'Segoe UI',Roboto,Arial}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 16px}

.header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:40}
.nav{display:flex;align-items:center;gap:12px;padding:12px 0}
.logo{font-size:22px;font-weight:900;letter-spacing:.2px}
.select,.input{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px}
.select{appearance:none}
.search{flex:1;display:flex;gap:8px}
.search .wrap{position:relative;flex:1}
.search .wrap .input{padding-right:92px;width:100%}
.search .go{position:absolute;right:6px;top:6px;bottom:6px;border:0;border-radius:999px;padding:0 16px;background:var(--accent);color:#fff;font-weight:700}
.hide-mobile{display:inline-flex}
@media(max-width:760px){.hide-mobile{display:none}}

.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media(max-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px}
.card .img{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#f2f4fb;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.price{color:var(--accent);font-weight:800;margin-top:6px}

.product{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.product{grid-template-columns:1fr}}
.gallery{height:420px;background:#f9fafb;border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);overflow:hidden}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:14px;padding:10px 14px;background:#fff;cursor:pointer}
.btn-prim{border-color:var(--accent);background:var(--accent);color:#fff}
.btn-prim:hover{background:var(--accent2)}

.footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted)}
/* Modal catalog */
dialog.cat{border:0;padding:0;background:transparent}
dialog.cat::backdrop{background:rgba(15,23,42,.5)}
.sheet{margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);max-width:980px;width:calc(100% - 32px);max-height:80vh;overflow:auto}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.sheet-body{padding:16px}
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media(max-width:900px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cat-grid{grid-template-columns:1fr}}
.cat-item{border:1px solid var(--line);border-radius:14px;padding:12px}
.cat-item .title{font-weight:800;margin-bottom:6px}
.cat-item ul{margin:0;padding-left:18px;color:#6b7280}