.demo-ai-chat{--bg:#fff;--text-h:#171717;--text:#666;--border:#ebebeb;--accent:#2a3c95;--brand-text:#fff;--code-bg:#f5f7f9;--social-bg:#2a3c950f;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;overflow-anchor:none;justify-content:center;align-items:stretch;width:100%;height:100%;min-height:0;display:flex;overflow:hidden}.demo-ai-chat .ai-chat-box{width:100%;max-width:100%;height:100%;min-height:0;box-shadow:none}.demo-ai-chat-empty{color:var(--text-secondary,#666);text-align:center;margin:auto;padding:24px;font-size:14px}.ai-chat-muted{color:var(--text,#666)}.ai-chat-shell{z-index:50;pointer-events:none;flex-direction:column;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:24px;right:24px}.ai-chat-shell>*{pointer-events:auto}@media (max-width:720px){.ai-chat-shell{bottom:16px;right:16px}}.ai-chat-panel-wrap{max-width:calc(100vw - 2rem)}.ai-chat-fab{background:var(--accent);width:56px;height:56px;box-shadow:var(--shadow);cursor:pointer;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;padding:0;transition:transform .15s;display:flex;overflow:hidden}.ai-chat-fab:hover{transform:scale(1.05)}.ai-chat-fab:active{transform:scale(.95)}.ai-chat-fab:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.ai-chat-fab-logo{object-fit:cover;pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:50%;width:36px;height:36px}.ai-chat-box{border:1px solid var(--border);background:var(--bg);width:400px;max-width:calc(100vw - 2rem);height:min(624px,100svh - 6rem);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;display:flex;overflow:hidden}.ai-chat-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.ai-chat-title{min-width:0;color:var(--text-h);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:15px;font-weight:600;overflow:hidden}.ai-chat-header-btn{width:32px;height:32px;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:22px;line-height:1;display:inline-flex}.ai-chat-header-btn:hover{background:var(--social-bg);color:var(--text-h)}.ai-chat-messages{overflow-anchor:none;background:var(--code-bg);flex-direction:column;flex:1;gap:8px;min-height:0;padding:12px;display:flex;overflow-y:auto}.ai-chat-empty,.ai-chat-typing{color:var(--text);margin:0;font-size:13px}.ai-chat-message{display:flex}.ai-chat-message--user{justify-content:flex-end}.ai-chat-message--assistant{justify-content:flex-start}.ai-chat-message-body{flex-direction:column;gap:8px;min-width:0;max-width:92%;display:flex}.ai-chat-bubble{white-space:pre-wrap;word-break:break-word;color:var(--text-h);border-radius:12px;padding:8px 12px;font-size:14px;line-height:1.4}.ai-chat-message--user .ai-chat-bubble{background:var(--accent);color:var(--brand-text,#fff);border-bottom-right-radius:4px}.ai-chat-message--assistant .ai-chat-bubble{background:var(--bg);border:1px solid var(--border);border-bottom-left-radius:4px}.ai-chat-step-slider{border:1px solid var(--border);background:var(--bg);border-radius:12px;flex-direction:column;gap:8px;width:100%;min-width:0;padding:8px;display:flex}.ai-chat-step-slider-image-btn{cursor:zoom-in;text-align:left;background:0 0;border:0;border-radius:8px;width:100%;padding:0;line-height:0;display:block}.ai-chat-step-slider-image-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ai-chat-step-slider-image-btn:hover .step-image-preview{opacity:.92}.ai-chat-step-slider-preview{background:var(--code-bg);border-radius:8px;width:100%;overflow:hidden}.ai-chat-step-slider-preview .step-image-frame{width:100%}.ai-chat-step-slider-preview .step-image-preview{object-fit:contain;background:var(--code-bg);border:0;border-radius:8px;width:100%;max-height:220px;transition:opacity .15s;display:block}.ai-chat-step-slider-controls{justify-content:space-between;align-items:center;gap:8px;display:flex}.ai-chat-step-slider-meta{flex-direction:column;flex:1;align-items:center;gap:4px;min-width:0;display:flex}.ai-chat-step-slider-nav{border:1px solid var(--border);background:var(--bg);width:28px;height:28px;color:var(--text-h);cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;line-height:0;display:inline-flex}.ai-chat-step-slider-nav svg{flex-shrink:0;display:block}.ai-chat-step-slider-nav:disabled{opacity:.35;cursor:not-allowed}.ai-chat-step-slider-nav:hover:not(:disabled){background:var(--social-bg)}.ai-chat-step-slider-dots{flex-wrap:wrap;justify-content:center;gap:4px;display:flex}.ai-chat-step-slider-dot{background:var(--border);cursor:pointer;border:0;border-radius:50%;width:6px;height:6px;padding:0}.ai-chat-step-slider-dot.is-active{background:var(--accent)}.ai-chat-step-slider-count{text-align:center;color:var(--text);margin:0;font-size:11px}.ai-chat-step-slider-hint{text-align:center;color:var(--text);margin:0;font-size:11px;line-height:1.35}.ai-chat-form{border-top:1px solid var(--border);background:var(--bg);flex-shrink:0;align-items:center;gap:8px;padding:12px;display:flex}.ai-chat-input{border:1px solid var(--border);background:var(--bg);min-width:0;height:36px;color:var(--text-h);font:inherit;border-radius:8px;outline:none;flex:1;padding:0 12px;font-size:14px}.ai-chat-input:focus{border-color:var(--accent)}.ai-chat-input:disabled{opacity:.7}.ai-chat-send{background:var(--accent);height:36px;color:var(--brand-text,#fff);font:inherit;cursor:pointer;border:0;border-radius:8px;flex-shrink:0;padding:0 14px;font-size:14px;font-weight:500}.ai-chat-send:disabled{opacity:.5;cursor:not-allowed}.ai-chat-send:hover:not(:disabled){filter:brightness(.95)}.modal-backdrop{z-index:10000;box-sizing:border-box;background:#08060d73;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{border:1px solid var(--border,#ebebeb);background:var(--bg,#fff);width:100%;max-width:560px;max-height:min(90svh,720px);box-shadow:var(--shadow,#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px);box-sizing:border-box;text-align:left;border-radius:14px;padding:20px;overflow:auto}.modal-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.modal-title{color:var(--text-h,#171717);margin:0;font-size:20px}.modal-close{flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-size:24px;font-weight:400;line-height:1;display:inline-flex}.modal-body{flex-direction:column;gap:14px;display:flex}.btn{font:inherit;cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;padding:9px 14px;font-size:14px;font-weight:500;transition:opacity .2s,background .2s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{color:var(--text-h,#171717);border-color:var(--border,#ebebeb);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--social-bg,#2a3c950f)}.modal--image{width:96vw;max-width:min(1400px,96vw);max-height:min(96svh,100%)}.step-image-viewer{align-items:center;gap:8px;display:flex;position:relative}.step-image-frame{border-radius:8px;flex:1;min-width:0;line-height:0;position:relative;overflow:hidden}.step-image-preview{object-fit:contain;border:1px solid var(--border);background:var(--accent-bg);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;border-radius:8px;width:100%;max-height:min(82svh,900px);display:block}.step-overlay-svg{z-index:2;pointer-events:none;color:var(--accent,#000);line-height:0;position:absolute;overflow:visible}.step-overlay-svg>svg{width:100%;height:100%;display:block;overflow:visible}.step-image-nav{border:1px solid var(--border);background:var(--bg);width:40px;height:40px;color:var(--text-h);cursor:pointer;border-radius:50%;flex:none;justify-content:center;align-items:center;line-height:0;transition:background-color .15s,border-color .15s,opacity .15s;display:inline-flex}.step-image-nav svg{flex-shrink:0;display:block}.step-image-nav:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:var(--brand-text,#fff)}.step-image-nav:disabled{opacity:.3;cursor:not-allowed}@media (max-width:720px){.modal-backdrop:has(.modal--image){padding-left:0;padding-right:0}.modal--image{border-radius:0;width:100vw;max-width:100vw;padding-left:0;padding-right:0}.step-image-viewer{gap:0}.step-image-nav{display:none}.step-image-preview{border-left:0;border-right:0;border-radius:0}}.step-image-caption{text-align:center;margin:0;font-size:13px}