.center-stage-stage{padding:var(--space-4);min-height:720px}.center-stage-app{background:var(--color-surface-primary);border:1px solid var(--color-border-primary);border-radius:var(--radius-2xl);flex-direction:column;height:100%;min-height:700px;display:flex;overflow:hidden}.center-stage-header{padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--color-border-primary);align-items:center;display:flex}.center-stage-welcome{padding:var(--space-10) var(--space-6);justify-content:center;align-items:center;gap:var(--space-5);text-align:center;flex-direction:column;flex:1;display:flex}.center-stage-welcome-avatar{margin-bottom:var(--space-3)}.center-stage-welcome-title{font-family:var(--type-h2-family);font-size:var(--type-h2-size);font-weight:var(--type-h2-weight);line-height:var(--type-h2-leading);letter-spacing:var(--type-h2-tracking);color:var(--color-text-primary);margin:0 0 var(--space-2)}.center-stage-composer{gap:var(--space-4);flex-direction:column;width:100%;max-width:640px;display:flex}.center-stage-composer-bottom{padding:var(--space-2) var(--space-6);margin:0 auto}.center-stage-ai-input{max-width:100%}.center-stage-suggestions{justify-content:center}.center-stage-messages{padding:var(--space-6) var(--space-6) var(--space-4);gap:var(--space-5);scroll-behavior:smooth;flex-direction:column;flex:1;width:100%;max-width:720px;margin:0 auto;display:flex;overflow-y:auto}.center-stage-message{flex-direction:column;display:flex}.center-stage-message-user{align-items:flex-end}.center-stage-message-user .chat-content{max-width:80%}.center-stage-answer,.center-stage-actions{animation:.2s center-stage-fade-in}.chat-turn--hover-actions .center-stage-actions{animation:none}.center-stage-composer-bottom{gap:var(--space-2)}@keyframes center-stage-fade-in{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.center-stage-thinking{align-items:center;gap:var(--space-2);color:var(--color-text-secondary);font-size:var(--font-size-sm);animation:.2s center-stage-fade-in;display:inline-flex}