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var(--border-default);color:var(--text-muted);font-size:11.5px;font-style:italic;border-radius:8px;max-width:100%}.preview-node-info{padding:8px 16px;background:var(--bg-tertiary);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);font-size:10.5px;color:var(--text-muted);font-family:var(--font-mono);display:flex;align-items:center;gap:6px}.preview-node-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:99px;font-size:10px;font-weight:600;font-family:var(--font-sans)}.preview-footer{padding:12px 14px;background:var(--bg-tertiary);border-top:1px solid var(--border-subtle)}.preview-input-row{display:flex;gap:8px;align-items:center}.preview-input{flex:1;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:20px;padding:9px 15px;color:var(--text-primary);font-size:13px;font-family:var(--font-sans);outline:none;transition:border-color var(--transition)}.preview-input:focus{border-color:var(--accent-blue)}.preview-input::placeholder{color:var(--text-muted)}.preview-input:disabled{opacity:.4;cursor:not-allowed}.preview-send-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--accent-blue);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.preview-send-btn:hover:not(:disabled){background:#5a97ff;box-shadow:0 0 12px #4f8ef780}.preview-send-btn:disabled{opacity:.3;cursor:not-allowed}.preview-send-btn svg{width:15px;height:15px}.preview-restart-btn{width:100%;padding:9px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);font-size:12.5px;font-family:var(--font-sans);font-weight:500;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:6px}.preview-restart-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-strong)}.typing-indicator{display:flex;align-items:center;gap:4px;padding:10px 14px}.typing-dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.2s infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:10px 16px;font-size:12.5px;color:var(--text-primary);display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-md);animation:toastIn .25s cubic-bezier(.34,1.56,.64,1);pointer-events:auto}.toast-success{border-color:var(--node-input-border)}.toast-error{border-color:var(--node-end-border)}.toast-icon{width:14px;height:14px}@keyframes toastIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:99px;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.kbd{font-family:var(--font-mono);font-size:10px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:4px;padding:1px 5px;color:var(--text-muted)}