:root {
  --bg:#f5f7fb; --card:#fff; --text:#1f2937; --muted:#6b7280; --line:#dbe2ea;
  --primary:#2563eb; --danger:#dc2626; --ok:#15803d; --warn:#b45309;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:1500px;margin:0 auto;padding:20px}
.wide-container{max-width:1680px}
.topbar,.footer{background:#111827;color:#fff}.topbar a,.footer a{color:#fff}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{font-weight:700;font-size:20px}.topbar nav{display:flex;gap:16px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;margin:18px 0;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
label{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
input,textarea,select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
textarea{min-height:90px}
button,.btn{display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:10px 14px;cursor:pointer}
.btn.secondary{background:#374151}.btn.danger{background:var(--danger)} .btn.ok{background:var(--ok)}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.table th{background:#f8fafc;white-space:nowrap}
.flash{padding:12px 14px;border-radius:10px;margin:16px 0}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}
.muted{color:var(--muted)} .actions{display:flex;gap:8px;flex-wrap:wrap}.inline-form{display:inline}.price{font-weight:700}.searchbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.searchbar input,.searchbar select{flex:1;min-width:220px}
.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:#e5edff;color:#1d4ed8;font-size:12px}
.badge.cheap{background:#dcfce7;color:#166534}.badge.expensive{background:#fef3c7;color:#92400e}.badge.same{background:#e0e7ff;color:#3730a3}.badge.neutral{background:#e5e7eb;color:#374151}
.product-hero{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:start}
.thumb{width:128px;height:128px;border:1px dashed var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;background:#fafafa;color:var(--muted);position:relative;overflow:visible}
.thumb img{width:128px;height:128px;object-fit:contain;border-radius:16px;background:#fff;display:block}
.zoom-wrap{position:relative;display:inline-block}
.zoom-wrap .zoom-large{display:none;position:absolute;left:140px;top:0;z-index:20;width:800px;max-width:min(800px,70vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:0 12px 40px rgba(0,0,0,.18)}
.zoom-wrap .zoom-large img{width:100%;height:auto;max-height:800px;object-fit:contain;display:block}
.zoom-wrap:hover .zoom-large{display:block}
.competitor-row{display:grid;grid-template-columns:150px 1.2fr 120px 140px 120px 120px 1fr 220px;gap:16px;align-items:start;padding:16px 0;border-bottom:1px solid var(--line)}
.competitor-table-head{display:grid;grid-template-columns:150px 1.2fr 120px 140px 120px 120px 1fr 220px;gap:16px;font-weight:700;padding:10px 0;border-bottom:1px solid var(--line)}
.kv{display:flex;flex-direction:column;gap:8px}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.small{font-size:12px}
@media (max-width: 1200px){
  .competitor-table-head,.competitor-row{grid-template-columns:1fr}
  .zoom-wrap .zoom-large{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(800px,90vw)}
}