/* The existing conversation layout and typography remain authoritative. */
.reading-chat[hidden]{display:none!important}.chat-offer,.chat-sources{display:block;border-top:1px solid var(--line,#dce2db);margin-top:16px;padding-top:14px}.chat-offer>strong{display:block;font:18px/1.35 var(--serif,Georgia,serif);color:var(--ink,#202d26)}.chat-offer>span,.chat-offer>small{display:block;font-size:11px;line-height:1.8;margin-top:8px;color:var(--muted,#647166)}.chat-price{display:block;margin-top:10px;font-size:11px;line-height:1.8}.chat-price>b{font-weight:600;color:var(--ink,#202d26)}.chat-price>small{display:block;color:var(--muted,#647166);font-size:10px;line-height:1.65}.chat-price[data-ready="false"]>b{color:var(--muted,#647166);font-weight:400}.chat-sources{display:grid;gap:4px}.chat-sources>span{font-size:10px;color:var(--muted,#647166)}.chat-sources>a{font-size:11px;line-height:1.65;text-decoration:underline;text-underline-offset:3px;padding:7px 0;min-height:32px}.reading-chat :focus-visible{outline:2px solid var(--green,#174c3c);outline-offset:3px}.chat-compose button:disabled{opacity:.5;cursor:wait}.chat-book>span{min-width:0}.sg .reading-chat{--green:#234834;--ink:#242d25;--muted:#62685f;--line:#dde2d7}.sg .reading-chat p{line-height:1.85}.sg .reading-chat .chat-heading p{margin-top:4px}.sg .reading-chat .chat-status{margin-top:8px}.sg .reading-chat-launcher{--ink:#242d25;--muted:#62685f;--line:#dde2d7}
@media(max-width:640px){.reading-chat{height:100dvh}.chat-sources>a{min-height:44px}.chat-consent a{display:inline-block;min-height:24px}.chat-heading strong{font-size:16px}.reading-chat-log{scroll-padding-block:16px}.reading-chat>form{flex-shrink:0}.chat-footer a,.chat-footer button{min-height:36px}}
@media(prefers-reduced-motion:reduce){.reading-chat *{scroll-behavior:auto!important}}