.ai-chat-gate{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px}.ai-chat-gate[hidden],.ai-chat-shell[hidden]{display:none!important}
.ai-chat-shell{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:700px;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.ai-chat-sidebar{display:flex;flex-direction:column;gap:15px;padding:20px;background:#f6f9f9;border-left:1px solid var(--line)}
.ai-chat-sidebar-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.ai-chat-sidebar-head h2{font-size:21px;margin:2px 0}.ai-chat-sidebar-head .secondary-btn{padding:8px 10px;white-space:nowrap}
.ai-chat-conversations{display:grid;gap:7px;overflow:auto;max-height:430px;padding-left:3px}.ai-chat-conversation{display:grid;gap:4px;width:100%;padding:12px;border:1px solid transparent;border-radius:13px;background:transparent;text-align:right;color:var(--deep);cursor:pointer}.ai-chat-conversation:hover,.ai-chat-conversation:focus-visible{border-color:var(--cyan);background:#fff}.ai-chat-conversation.active{border-color:var(--line);background:#fff;box-shadow:0 7px 18px rgba(33,99,116,.07)}.ai-chat-conversation strong{font-size:12px;line-height:1.6}.ai-chat-conversation span{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-chat-quota{margin-top:auto}.ai-chat-privacy{margin:0;color:var(--muted);font-size:11px;line-height:1.9}
.ai-chat-main{display:grid;grid-template-rows:auto minmax(400px,1fr) auto;min-width:0}.ai-chat-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line);background:#fff}.ai-chat-toolbar>div{display:flex;align-items:center;gap:10px}.ai-chat-toolbar strong{font-size:13px}.ai-chat-delete{color:var(--red)}
.ai-chat-thread{display:flex;flex-direction:column;gap:14px;overflow:auto;padding:25px;background:linear-gradient(180deg,#fbfdfd 0,#f5f9f9 100%);scrollbar-gutter:stable}.ai-chat-empty{max-width:680px;margin:auto;text-align:center;padding:35px}.ai-chat-empty .icon{margin:0 auto 14px}.ai-chat-empty h2{font-size:25px}.ai-chat-empty p{color:var(--muted);font-size:14px;line-height:2}
.ai-chat-suggestions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:18px}.ai-chat-suggestions button{border:1px solid var(--line);border-radius:999px;background:#fff;padding:9px 13px;color:var(--deep);font:inherit;font-size:12px;cursor:pointer}.ai-chat-suggestions button:hover,.ai-chat-suggestions button:focus-visible{border-color:var(--cyan);background:var(--pale)}
.ai-chat-message{display:grid;gap:9px;max-width:min(82%,720px);padding:14px 16px;border-radius:16px;font-size:14px;line-height:2;box-shadow:0 5px 18px rgba(33,99,116,.06)}.ai-chat-message.user{align-self:flex-start;background:var(--teal);color:#fff;border-bottom-right-radius:5px}.ai-chat-message.assistant{align-self:flex-end;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}.ai-chat-message.failed{opacity:.7}.ai-chat-message p{margin:0;white-space:pre-wrap}.ai-chat-message time{font-size:10px;opacity:.72}.ai-chat-message ul,.ai-chat-message ol{margin:0;padding-right:20px}.ai-chat-message li{margin:4px 0}.ai-chat-message-section{padding-top:8px;border-top:1px solid rgba(120,150,155,.2)}.ai-chat-message-section strong{display:block;margin-bottom:4px}.ai-chat-sources a{color:var(--teal);font-weight:700;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.ai-chat-web-status{color:var(--muted);font-size:11px}.ai-chat-disclaimer{color:var(--muted);font-size:11px}.ai-chat-report{justify-self:start}
.ai-chat-report-form{display:grid;gap:9px;margin-top:5px;padding-top:10px;border-top:1px solid var(--line)}.ai-chat-report-form select,.ai-chat-report-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:9px;font:inherit}.ai-chat-report-form textarea{resize:vertical}.ai-chat-report-actions{display:flex;gap:8px}
.ai-chat-composer{display:grid;gap:8px;padding:16px 20px;border-top:1px solid var(--line);background:#fff}.ai-chat-composer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ai-chat-composer-head label{font-size:12px;font-weight:700}.ai-chat-web-mode{font-size:11px;padding:7px 11px}.ai-chat-web-mode.active{border-color:var(--teal);background:var(--teal);color:#fff}.ai-chat-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px;align-items:end}.ai-chat-input-row textarea{width:100%;min-height:66px;max-height:180px;resize:vertical;border:1px solid var(--line);border-radius:13px;padding:11px 13px;font:inherit;font-size:14px;line-height:1.9;outline:0}.ai-chat-input-row textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(87,176,187,.12)}.ai-chat-input-row .primary-btn{min-height:48px}.ai-chat-composer-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px}
.ai-chat-busy::after{content:"";display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--cyan);animation:ai-chat-pulse 1s infinite alternate}@keyframes ai-chat-pulse{to{opacity:.25;transform:scale(.7)}}
@media(max-width:900px){.ai-chat-shell{grid-template-columns:1fr}.ai-chat-sidebar{display:block;border-left:0;border-bottom:1px solid var(--line)}.ai-chat-conversations{display:flex;max-height:none;overflow:auto;margin:12px 0}.ai-chat-conversation{min-width:220px}.ai-chat-privacy{margin-top:10px}.ai-chat-quota{margin-top:10px}.ai-chat-main{grid-template-rows:auto minmax(480px,1fr) auto}}
@media(max-width:560px){.ai-chat-gate{align-items:stretch;flex-direction:column}.ai-chat-sidebar{padding:15px}.ai-chat-sidebar-head{align-items:center}.ai-chat-thread{padding:15px}.ai-chat-message{max-width:94%;font-size:13px}.ai-chat-empty{padding:24px 5px}.ai-chat-composer-head{align-items:flex-start;flex-direction:column}.ai-chat-input-row{grid-template-columns:1fr}.ai-chat-input-row .primary-btn{width:100%}.ai-chat-composer-meta span:first-child{display:none}.ai-chat-toolbar{padding:12px 15px}.ai-chat-toolbar .status{display:none}}
@media(prefers-reduced-motion:reduce){.ai-chat-busy::after{animation:none}}