/* AI v4 — static n8n-like chat layout */
html:has(.screen-ai.is-active),body:has(.screen-ai.is-active){overflow:hidden;height:100%;}
.screen-ai{padding:0!important;position:fixed!important;inset:0!important;z-index:75!important;display:none;flex-direction:column;overflow:hidden!important;height:100dvh!important;min-height:0!important;background:#e8e5df;box-sizing:border-box}.screen-ai.is-active{display:flex!important}.screen-ai .section-header{display:none!important}
.ai-header{flex:0 0 auto;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:max(8px,env(safe-area-inset-top,0px)) 12px 8px;background:#e8e5df;border-bottom:1px solid #d3cec5;box-sizing:border-box}.ai-close{order:2;flex:0 0 auto;width:46px;height:46px;border:1px solid #cfc5b4;border-radius:50%;background:#f8f2e8;color:#30483a;font-size:31px;line-height:1;font-weight:300;display:grid;place-items:center;cursor:pointer;margin-top:0}.ai-header-copy{order:1;min-width:0}.ai-header-line1{display:flex;align-items:center;gap:5px;font:700 16px/1.15 Georgia,"Times New Roman",serif;color:#30483a}.ai-star{font-size:15px}.ai-header-line2{margin-top:2px;font-size:11px;font-weight:700;letter-spacing:.04em;color:#7d857c}.ai-header-line3,.ai-header-line4{display:none!important}
.ai-card{flex:1 1 auto;min-height:0!important;height:auto!important;display:flex;flex-direction:column;overflow:hidden!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;background:#e8e5df!important;box-sizing:border-box}.ai-card h2,.ai-card>p,.ai-orb{display:none!important}.ai-chat-shell{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow:hidden}.ai-messages{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;gap:8px;overflow-y:auto;overflow-x:hidden;margin:0;padding:14px 12px 12px;box-sizing:border-box;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y}.ai-message{width:fit-content;max-width:min(82%,42rem);padding:10px 13px;border-radius:16px;font-size:16px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 1px 3px rgba(47,60,49,.04);direction:ltr;unicode-bidi:plaintext}.ai-messages .ai-message-assistant{align-self:flex-start!important;text-align:left!important;justify-content:flex-start!important;direction:ltr!important;margin-left:0!important;margin-right:auto!important;background:#dce6dc;border:1px solid #c3d0c4;color:#26352c;border-bottom-left-radius:5px}.ai-messages .ai-message-user{align-self:flex-end!important;text-align:left!important;margin-left:auto!important;margin-right:0!important;background:#f7f5f1;border:1px solid #d8d3ca;color:#26352c;border-bottom-right-radius:5px}
.ai-message a{color:#1f5f46!important;text-decoration:underline!important;text-decoration-thickness:1.5px!important;text-underline-offset:3px;font-weight:700;overflow-wrap:anywhere}.ai-message a:visited{color:#365f4d!important}.ai-message a:focus-visible{outline:2px solid #567b65;outline-offset:2px;border-radius:3px}
.ai-prompts{flex:0 0 auto;display:flex;flex-wrap:nowrap;gap:6px;margin:0;padding:6px 10px;overflow-x:auto;overflow-y:hidden;background:#e8e5df;border-top:1px solid #d8d3ca;scrollbar-width:none;touch-action:pan-x}.ai-prompts::-webkit-scrollbar{display:none}.ai-prompts button{flex:0 0 auto;border:1px solid #cfc5b4;background:#f8f2e8;border-radius:999px;padding:7px 11px;color:#405447;font-size:12px;font-weight:700;white-space:nowrap;cursor:pointer}.ai-input{flex:0 0 auto;display:grid;grid-template-columns:minmax(0,1fr) 50px;gap:7px;margin:0;padding:8px 10px max(8px,env(safe-area-inset-bottom,0px));background:#e8e5df;border-top:1px solid #d3cec5;box-sizing:border-box}.ai-input input,.ai-input textarea{min-width:0;width:100%;height:50px;border:1px solid #cfc5b4;border-radius:16px;background:#fffdf9;padding:12px 14px;font-size:16px;line-height:24px;color:#30483a;outline:none;box-sizing:border-box;resize:none;font-family:inherit}.ai-input input:focus,.ai-input textarea:focus{border-color:#7d907f;box-shadow:0 0 0 2px rgba(102,125,100,.1)}.ai-input button{height:50px;border:0;border-radius:16px;background:#34523d;color:#fff;font-size:21px;cursor:pointer}.ai-input button:disabled{opacity:.5;cursor:wait}.screen-ai.is-active~.bottom-nav,.museum-app:has(.screen-ai.is-active) .bottom-nav{display:none!important}@media(max-width:500px){.ai-header{padding:max(7px,env(safe-area-inset-top,0px)) 10px 7px}.ai-close{width:46px;height:46px;font-size:31px}.ai-messages{padding:10px 12px 12px}.ai-message{max-width:88%}.ai-prompts{padding:6px 10px}.ai-input{padding:7px 10px max(7px,env(safe-area-inset-bottom,0px))}}