.dash-shell{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - var(--header-h) - var(--topbar-h));}
.dash-sidebar{
  background:var(--ink-900);color:rgba(255,255,255,.8);padding:1.5rem 1rem;
}
.dash-sidebar .dash-user{display:flex;align-items:center;gap:.7rem;padding:.5rem .4rem 1.3rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:1rem;}
.dash-sidebar .dash-user .avatar{width:40px;height:40px;border-radius:50%;background:var(--green-600);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;}
.dash-sidebar .dash-user strong{display:block;color:#fff;font-size:var(--fs-14);}
.dash-sidebar .dash-user span{font-size:var(--fs-12);color:rgba(255,255,255,.6);}
.dash-nav a{
  display:flex;align-items:center;gap:.7rem;padding:.75rem .8rem;border-radius:var(--radius-sm);
  font-size:var(--fs-14);font-weight:600;color:rgba(255,255,255,.75);margin-bottom:.2rem;
}
.dash-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.dash-nav a.is-active{background:var(--green-600);color:#fff;}
.dash-main{padding:2rem;background:var(--paper-dim);}
.dash-main .dash-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:.8rem;}

.bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:80;
  background:#fff;border-top:1px solid var(--line);
  grid-template-columns:repeat(4,1fr);
}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.6rem 0;font-size:.65rem;color:var(--ink-500);}
.bottom-nav a.is-active{color:var(--green-700);}

@media (max-width:900px){
  .dash-shell{grid-template-columns:1fr;}
  .dash-sidebar{display:none;}
  .bottom-nav{display:grid;}
  .dash-main{padding:1.25rem;padding-bottom:5rem;}
}