.messages-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:16px;padding:18px}.message-list{min-height:220px}.message-empty{border:1px dashed var(--line,#d9dee8);border-radius:16px;padding:42px 24px;text-align:center;color:var(--muted,#697386);display:grid;gap:8px}.message-empty b{color:var(--ink,#172033);font-size:18px}.message-context{background:var(--blue-soft,#eef4ff);border-left:4px solid var(--blue,#2864dc);border-radius:12px;padding:18px;color:var(--ink,#172033);align-self:start}.message-context p{color:var(--muted,#697386);line-height:1.5}.nav-count{font-size:.72em;margin-left:4px;opacity:.7}@media(max-width:760px){.messages-grid{grid-template-columns:1fr;padding:12px}}