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#3498db1a}.chat-input:disabled{background:var(--color-background);cursor:not-allowed}.chat-submit-btn{padding:12px 20px;border-radius:8px;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;min-width:50px;height:46px;transition:all .2s}.chat-submit-btn:disabled{opacity:.5;cursor:not-allowed}.chat-submit-btn.btn-danger{background:var(--color-danger)}.chat-submit-btn.btn-danger:hover:not(:disabled){background:var(--color-danger-dark)}.send-icon,.stop-icon{display:inline-block;line-height:1}.chat-input-hint{margin-top:8px;font-size:.875rem;color:var(--color-text-secondary);text-align:center}@media (max-width: 768px){.chat-layout{height:calc(100vh - 60px)}.chat-container{height:calc(100vh - 60px);padding:10px;border-radius:0}.chat-actions-header{padding:8px 12px}.message-content{max-width:85%}.chat-header{padding:12px 16px}.chat-header h2{font-size:1.25rem}.header-actions{gap:6px}.btn-utility.small{padding:6px 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