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var(--border);border-bottom-left-radius:4px}.message-meta{display:flex;gap:4px;align-items:center;margin-top:2px}.message-time{font-size:.68rem;color:var(--text-dim)}.read-receipt{font-size:.68rem;color:var(--green)}.system-msg{font-size:.75rem;color:var(--text-dim);background:var(--bg-3);border:1px solid var(--border);border-radius:20px;padding:4px 12px}.typing-bubble{display:flex;gap:4px;align-items:center;padding:12px 16px}.dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}.input-area{border-top:1px solid var(--border);background:var(--bg-2);padding:12px 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.15s;flex-shrink:0}.btn-send:hover:not(:disabled){filter:brightness(1.1)}.btn-send:disabled{opacity:.3;cursor:not-allowed}.crypto-badge{font-family:var(--mono);font-size:.68rem;color:var(--text-dim);text-align:center}.crypto-badge.verified{color:var(--green)}