.demo-stage { margin-top: 28px; max-width: 760px; background: #fff; border: 1px solid #E5E7EB; border-radius: 20px; padding: 28px; box-shadow: 0 18px 40px rgba(0,0,0,0.05); }
.demo-prompt { font-size: 14px; color: #64748B; margin-bottom: 16px; }
.demo-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.demo-chip { border: 1px solid #E5E7EB; background: #FAFAFA; border-radius: 12px; padding: 12px 16px; font-size: 14px; color: #1F2937; cursor: pointer; text-align: left; font-family: 'Inter',sans-serif; transition: border-color 0.15s, transform 0.1s; }
.demo-chip:hover { border-color: #7C3AED; transform: translateY(-1px); }
.bubbles { display: flex; flex-direction: column; gap: 12px; }
.bubble { max-width: 80%; padding: 13px 17px; border-radius: 18px; font-size: 15px; line-height: 1.5; }
.bubble.bev { background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.08)); color: #0A0A1A; align-self: flex-start; border-bottom-left-radius: 5px; }
.bubble.lead { background: #0A0A1A; color: #fff; align-self: flex-end; border-bottom-right-radius: 5px; }
.bubble.mentor { background: #FAFAFA; color: #1F2937; align-self: stretch; max-width: 100%; border-radius: 14px; }
.bubble.mentor em { color: #6D28D9; font-style: normal; background: rgba(124,58,237,0.08); padding: 1px 5px; border-radius: 4px; }
.demo-win { margin-top: 18px; padding: 16px 18px; background: rgba(16,185,129,0.08); border-left: 3px solid #10B981; border-radius: 8px; font-size: 14px; color: #065F46; }
.demo-reset { margin-top: 16px; background: none; border: 0; color: #7C3AED; font-weight: 600; font-size: 14px; cursor: pointer; padding: 0; }
.demo-input { flex: 1; padding: 12px 14px; border: 1px solid #E5E7EB; border-radius: 10px; font-family: 'Inter',sans-serif; font-size: 14px; }

.demo-note { margin-top: 16px; font-size: 13px; color: #64748B; }
.demo-note a { color: #7C3AED; font-weight: 600; }