.app{
  min-height:100%;
  display:grid;
  grid-template-columns: var(--sidebar-w) 1fr;
}

.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:16px;
  border-right:1px solid var(--border);
  background: linear-gradient(180deg, rgba(17,24,39,.88), rgba(15,23,42,.80));
  backdrop-filter: blur(12px);
}

.brand{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 10px 14px;
}
.brand__mark{
  width:38px; height:38px;
  border-radius:12px;
  background: linear-gradient(135deg, var(--brand), var(--info));
  box-shadow: var(--shadow);
}
.brand__title{
  display:flex; flex-direction:column;
  line-height:1.05;
}
.brand__title strong{ font-size:14px; }
.brand__title span{ font-size:12px; color:var(--muted); }

.nav{
  margin-top:6px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
  color: var(--text);
  opacity:.92;
}
.nav a:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.06);
}
.nav a[aria-current="page"]{
  background: rgba(34,197,94,.10);
  border-color: rgba(34,197,94,.25);
}

.sidebar__footer{
  margin-top:auto;
  padding-top:14px;
  color:var(--muted);
  font-size:12px;
}

.main{
  min-height:100vh;
  display:grid;
  grid-template-rows: var(--topbar-h) 1fr;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 10px 14px;
  border-bottom:1px solid var(--border);
  background: rgba(11,15,20,.70);
  backdrop-filter: blur(12px);
}

.topbar__left{
  display:flex; align-items:center; gap:10px;
}
.icon-btn{
  display:inline-flex;
  align-items:center; justify-content:center;
  width:42px; height:42px;
  border-radius:14px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:var(--text);
  cursor:pointer;
}
.icon-btn:hover{ background: rgba(255,255,255,.07); }

.search{
  display:flex;
  align-items:center;
  gap:10px;
  width:min(560px, 100%);
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(17,24,39,.55);
}
.search input{
  width:100%;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
}
.search small{ color:var(--muted); }

.topbar__right{
  display:flex;
  align-items:center;
  gap:10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(17,24,39,.55);
  color: var(--muted);
  font-size: 12px;
}
.pill b{ color: var(--text); font-weight:600; }

.content{
  padding: 18px 14px 40px;
}

@media (max-width: 980px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{
    position:fixed;
    inset:0 auto 0 0;
    width:min(86vw, var(--sidebar-w));
    transform: translateX(-110%);
    transition: transform .22s ease;
    z-index: 100;
  }
  .sidebar[data-open="true"]{ transform: translateX(0%); }
  .backdrop{
    position:fixed; inset:0;
    background: rgba(0,0,0,.55);
    z-index: 90;
  }
}