/* App frame after login: side menu, main area, bottom menu on phones */
.shell{display:grid;grid-template-columns:252px minmax(0,1fr);gap:16px;padding:16px;align-items:start}
.side{position:sticky;top:92px;height:calc(100vh - 108px);border:1px solid var(--line);border-radius:24px;background:var(--surface);padding:22px 14px;display:flex;flex-direction:column;gap:4px;box-shadow:0 18px 50px rgba(8,14,18,.08)}
.side .brand{padding:0 10px 18px;white-space:nowrap}
.nav{display:flex;align-items:center;gap:12px;border:0;background:none;border-radius:10px;padding:10px 12px;font-weight:600;color:var(--muted);text-align:left;width:100%}
.nav svg{width:20px;height:20px;flex:none}
.nav[aria-current="page"]{background:var(--accent-soft);color:var(--accent)}
.nav .n{margin-left:auto;font-size:.78rem;background:var(--line);color:var(--ink);border-radius:999px;padding:0 8px}
.side .me-mini{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;flex:none}
.me-mini b{display:block;font-size:.92rem;line-height:1.2}
.me-mini small{color:var(--muted);font-size:.8rem}
.main{min-width:0;width:100%;max-width:980px;min-height:calc(100vh - 108px);padding:24px 26px 32px;background:var(--surface2);border:1px solid var(--line);border-radius:28px;box-shadow:0 18px 50px rgba(8,14,18,.08)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.topbar h1{font-size:1.7rem}
.topbar .upd{color:var(--muted);font-size:.82rem}
.bottom{display:none}
@media (max-width:860px){
  .shell{grid-template-columns:1fr;padding:10px 10px 92px}.side{display:none}
  .main{padding:16px 14px 20px;border-radius:22px;min-height:calc(100vh - 168px)}
  .bottom{display:flex;gap:4px;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:5px;box-shadow:0 10px 30px rgba(8,14,18,.16)}
  .bottom button{flex:1;border:0;background:none;border-radius:16px;padding:7px 2px 8px;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:.72rem;font-weight:600}
  .bottom svg{width:22px;height:22px}
  .bottom button[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
}