.mh-sub-page{
  background: radial-gradient(900px 600px at 85% 10%, var(--mh-accent-alpha) 0%, rgba(0,0,0,0) 55%),
              linear-gradient(180deg, var(--mh-bg-900) 0%, var(--mh-bg-900) 100%);
  padding: 18px 14px 18px;
  min-height: 100vh;
}

.mh-sub *{ box-sizing:border-box; }
.mh-sub__topbar{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; }
.mh-sub__dot{ width:6px; height:6px; border-radius:999px; background: var(--mh-accent-500); }
.mh-sub__title{ font-size: 28px; font-weight: 700; letter-spacing:-0.02em; }
.mh-sub__topbar-actions{ display:flex; gap:10px; }
.mh-sub__iconbtn{
  width:38px; height:38px; border-radius:12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--mh-txt-200);
  display:flex; align-items:center; justify-content:center;
}
.mh-sub__iconbtn:hover{ border-color: rgba(255,255,255,0.10); }