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.chat-input-textarea{border-color:#f44;box-shadow:0 0 0 2px rgba(244,67,54,.2)}.chat-input-form.has-error .send-button{opacity:.6;cursor:not-allowed}@keyframes slideInDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.typing-indicator{opacity:.8}.typing-content{display:flex;align-items:center;gap:12px;padding:12px 16px}.typing-dots{display:flex;gap:4px}.typing-dot{width:8px;height:8px;border-radius:50%;background-color:var(--primary-accent);animation:typingBounce 1.4s ease-in-out infinite both}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}.typing-dot:nth-child(3){animation-delay:0s}.typing-text{font-size:14px;color:var(--text-secondary);font-style:italic}.toast-notification{position:fixed;top:20px;right:20px;background:var(--background-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);padding:12px 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var(--border-color)}.chat-main{height:calc(100vh - 200px)}.fullscreen-modal{max-width:95%;max-height:90vh}.fullscreen-footer{flex-direction:column;align-items:stretch;gap:12px}.fullscreen-actions,.fullscreen-stats{justify-content:center}}