/* Общий каркас страниц: меню слева. Стили самих схем живут в своих страницах. */
body.has-nav{padding-left:250px}
.nav{position:fixed;left:0;top:0;bottom:0;width:250px;background:#1c2230;color:#e8ecf2;padding:22px 14px;display:flex;flex-direction:column;gap:6px;font-family:"Segoe UI",system-ui,Arial,sans-serif;z-index:10}
.nav-head{padding:0 8px 16px;border-bottom:1px solid #ffffff1a;margin-bottom:10px}
.nav-title{font-size:20px;font-weight:700;color:#fff}
.nav-sub{font-size:12.5px;color:#9aa6b8}
.nav-link{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;color:#dfe5ee;text-decoration:none}
.nav-link:hover{background:#ffffff12}
.nav-link.active{background:#2f6fed;color:#fff}
.nav-link b{display:block;font-size:14px}
.nav-link small{display:block;font-size:12px;color:#aab4c3;margin-top:1px}
.nav-link.active small{color:#dbe6ff}
.nav-n{flex:none;width:22px;height:22px;border-radius:50%;background:#ffffff1f;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:1px}
.nav-link.active .nav-n{background:#fff;color:#2f6fed}
.nav-foot{margin-top:auto;padding:0 8px;font-size:11.5px;color:#7f8a9b}
@media (max-width:900px){
  body.has-nav{padding-left:0}
  .nav{position:static;width:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:10px}
  .nav-head{border:none;margin:0;padding:0 10px 0 4px}
  .nav-foot{display:none}
}