/* Explicit colors keep private messages readable in both themes. */
html[data-theme=day]{--chat-bg:#fffdfb;--chat-inset:#f5f0eb;--chat-text:#352b2a;--chat-muted:#74615d;--chat-line:#dfd0c8;--chat-accent:#733635;--chat-own:#733635;--chat-on-own:#fff8f2;--chat-theirs:#eee5df;--chat-shadow:0 24px 90px #32181438;--chat-error:#a12727;--chat-backdrop:#28141270}
html[data-theme=night]{--chat-bg:#492322;--chat-inset:#3b1d1c;--chat-text:#f5f0eb;--chat-muted:#dec5bd;--chat-line:#8f625b;--chat-accent:#f5f0eb;--chat-own:#f0dfd1;--chat-on-own:#492322;--chat-theirs:#683a36;--chat-shadow:0 24px 90px #140b0a88;--chat-error:#ffbfb4;--chat-backdrop:#1b0d0bb8}
html[data-theme] .im-chat{width:min(1000px,calc(100vw - 40px));height:min(730px,calc(100dvh - 56px));max-width:none;max-height:none;padding:0;margin:auto;border:1px solid var(--chat-line);border-radius:20px;background:var(--chat-bg);color:var(--chat-text);box-shadow:var(--chat-shadow);font:14px/1.5 Arial,Helvetica,sans-serif;overflow:hidden}
.im-chat::backdrop{background:var(--chat-backdrop);backdrop-filter:blur(3px)}
.im-chat[open]{display:flex;flex-direction:column;animation:im-chat-appear .2s ease-out}
.im-chat *{box-sizing:border-box}.im-chat [hidden]{display:none!important}.im-chat svg{width:22px;height:22px;flex-shrink:0}.im-chat button,.im-chat input,.im-chat textarea{font:inherit}.im-chat button{cursor:pointer;touch-action:manipulation}.im-chat :is(button,a,input,textarea):focus-visible{outline:2px solid var(--chat-accent);outline-offset:3px}.im-chat button:disabled{cursor:wait;opacity:.55}
.im-chat-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px;border-bottom:1px solid var(--chat-line);flex-shrink:0}.im-chat-head h2{font:400 29px/1.2 Georgia,'Times New Roman',serif;letter-spacing:-.6px;margin:4px 0 0;color:var(--chat-text)}.im-chat-eyebrow{display:block;color:var(--chat-muted);font-size:11px;line-height:1.5;letter-spacing:.5px;overflow-wrap:anywhere}
.im-chat .im-chat-icon{width:44px;height:44px;min-width:44px;display:grid;place-items:center;border:1px solid var(--chat-line);border-radius:50%;padding:10px;background:transparent;color:var(--chat-accent)}.im-chat .im-chat-icon:hover{background:var(--chat-theirs)}
.im-chat-layout{display:grid;grid-template-columns:310px minmax(0,1fr);min-height:0;flex:1}.im-chat-sidebar{display:flex;flex-direction:column;min-height:0;padding:20px 0 0;background:var(--chat-inset);border-inline-end:1px solid var(--chat-line)}.im-chat-sidebar>p:first-child{margin:0 20px 16px;color:var(--chat-muted);font-size:12px}.im-chat-search{display:block;margin:0 16px 16px}.im-chat .im-chat-search input{width:100%;min-height:44px;border:1px solid var(--chat-line);border-radius:9px;padding:11px 12px;background:var(--chat-bg);color:var(--chat-text)}.im-chat input::placeholder,.im-chat textarea::placeholder{color:var(--chat-muted);opacity:1}.im-chat-sidebar nav{display:block;width:100%;margin:0;flex:1;min-width:0;overflow:auto;overscroll-behavior:contain;min-height:0;padding:0 8px 16px;scrollbar-width:thin}
.im-chat .im-chat-conversation{width:100%;display:flex;align-items:center;gap:12px;padding:15px 12px;min-height:94px;border:1px solid transparent;border-radius:11px;text-align:start;background:transparent;color:var(--chat-text);position:relative}.im-chat .im-chat-conversation:is(:hover,.is-active){background:var(--chat-bg);border-color:var(--chat-line)}.im-chat-conversation-symbol{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;border:1px solid var(--chat-line);border-radius:10px;color:var(--chat-muted)}.im-chat-conversation-symbol svg{width:19px;height:19px}.im-chat-conversation-copy{display:grid;gap:5px;min-width:0;flex:1}.im-chat-conversation-copy strong{font-size:13px;font-weight:600;line-height:1.4;overflow-wrap:anywhere}.im-chat-conversation-copy>span{font-size:12px;color:var(--chat-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.im-chat-conversation-copy small{font-size:10px;color:var(--chat-muted);overflow-wrap:anywhere}.im-chat .im-chat-conversation .im-chat-count{position:static;flex-shrink:0;margin-inline-start:auto;border:0}
.im-chat-count{position:absolute;inset-block-start:-5px;inset-inline-end:-5px;display:grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border:2px solid var(--chat-bg);border-radius:20px;background:var(--chat-accent);color:var(--chat-bg);font:10px/1 Arial,sans-serif}
.im-chat-thread{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative}.im-chat-thread-head{display:flex;align-items:center;gap:12px;padding:20px 24px 12px;flex-shrink:0}.im-chat-thread-head>div{min-width:0}.im-chat-event-name{display:block;font:400 23px/1.2 Georgia,'Times New Roman',serif;color:var(--chat-text);text-decoration:none;overflow-wrap:anywhere;margin:5px 0}.im-chat-event-name:hover{text-decoration:underline;text-underline-offset:4px}.im-chat-event-date{font-size:11px;color:var(--chat-muted)}.im-chat-privacy{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--chat-muted);font-size:10px;margin:0 20px 8px}.im-chat-privacy svg{width:12px;height:12px}.im-chat-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:12px 24px 18px;scrollbar-width:thin}.im-chat-log{display:flex;flex-direction:column;gap:14px}.im-chat-message{max-width:85%;align-self:flex-start;border-radius:14px 14px 14px 3px;padding:12px 15px;background:var(--chat-theirs);color:var(--chat-text)}.im-chat-message.is-mine{align-self:flex-end;border-radius:14px 14px 3px 14px;background:var(--chat-own);color:var(--chat-on-own)}.im-chat-sender{display:block;font-size:10px;line-height:1.4;margin-bottom:5px;font-weight:600}.im-chat-message p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.55}.im-chat-message-meta{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:9px;line-height:1.4}.im-chat-message-meta time{font-variant-numeric:tabular-nums}
.im-chat-composer{flex-shrink:0;margin:0 20px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px}.im-chat .im-chat-composer textarea{display:block;resize:none;max-height:150px;min-height:64px;width:100%;padding:12px;border:1px solid var(--chat-line);border-radius:12px;background:var(--chat-inset);color:var(--chat-text);line-height:1.5}.im-chat .im-chat-send{align-self:stretch;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;min-width:44px;min-height:44px;border:0;border-radius:12px;background:var(--chat-own);color:var(--chat-on-own)}.im-chat-composer-foot{grid-column:1/-1;display:flex;justify-content:space-between;gap:8px;color:var(--chat-muted);font-size:9px}.im-chat-composer-foot>span:last-child{white-space:nowrap}.im-chat-error{color:var(--chat-error);font-size:12px;margin:0;overflow-wrap:anywhere}.im-chat-error:empty{display:none}.im-chat-composer>.im-chat-error{grid-column:1/-1}.im-chat-sidebar>.im-chat-error{margin:0 20px 10px}.im-chat .im-chat-text-button{min-height:44px;padding:8px 12px;border:0;border-radius:8px;background:var(--chat-inset);color:var(--chat-accent);font-size:12px}.im-chat [data-chat-older]{display:block;margin:0 auto 16px}.im-chat .im-chat-back{display:none}.im-chat .im-chat-new{position:absolute;inset-inline-end:24px;inset-block-end:130px;border:1px solid var(--chat-line);border-radius:22px;padding:9px 14px;min-height:44px;background:var(--chat-bg);color:var(--chat-accent);box-shadow:var(--chat-shadow);font-size:11px}
.im-chat-empty,.im-chat-first{text-align:center;color:var(--chat-muted);padding:35px 24px;margin:auto}.im-chat-empty>svg,.im-chat-first>svg{width:42px;height:42px;margin-bottom:16px}.im-chat-empty h3,.im-chat-first h3{color:var(--chat-text);font:400 25px/1.2 Georgia,'Times New Roman',serif;margin:0 0 10px}.im-chat-empty p,.im-chat-first p{font-size:13px;max-width:300px;margin:0 auto;line-height:1.7}.im-chat-first{padding:32px 8px}.im-chat-list-empty{padding:18px;color:var(--chat-muted);font-size:13px}.im-chat-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html[data-theme] :is(.header-actions,.pro-header-actions) .im-chat-toggle,html[data-theme] .im-chat-event{position:relative;display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;min-height:44px;padding:10px;margin:0;border:1px solid var(--chat-line);border-radius:50%;background:transparent;color:var(--chat-accent);cursor:pointer;touch-action:manipulation;box-shadow:none}
.im-chat-toggle svg,.im-chat-event svg{width:22px;height:22px}html[data-theme] .im-pro .event-card .im-chat-event{width:44px;margin:0}html[data-theme] :is(.im-chat-toggle,.im-chat-event):hover{background:var(--chat-theirs);border-color:var(--chat-accent)}:is(.im-chat-toggle,.im-chat-event):focus-visible{outline:2px solid var(--chat-accent);outline-offset:4px}.im-pro .detail>.im-chat-event{float:inline-end}
html[data-theme=night] .im-chat .im-chat-search input,html[data-theme=night] .im-chat .im-chat-composer textarea{background:var(--chat-inset)!important;color:var(--chat-text)!important;border-color:var(--chat-line)!important;box-shadow:none}
[dir=rtl] .im-chat-back svg{transform:scaleX(-1)}[dir=rtl] .im-chat-message{border-radius:14px 14px 3px 14px}[dir=rtl] .im-chat-message.is-mine{border-radius:14px 14px 14px 3px}
@keyframes im-chat-appear{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:660px){html[data-theme] .im-chat{width:calc(100vw - 20px);height:calc(100dvh - 24px);border-radius:16px}.im-chat-head{padding:16px 18px}.im-chat-head h2{font-size:25px}.im-chat-layout{grid-template-columns:minmax(0,1fr)}.im-chat-sidebar{border-inline-end:0}.im-chat-thread{display:none}.im-chat-has-thread .im-chat-sidebar{display:none}.im-chat-has-thread .im-chat-thread{display:flex}.im-chat .im-chat-back{display:grid}.im-chat-thread-head{padding:16px 14px 10px}.im-chat-event-name{font-size:20px}.im-chat-privacy{margin-inline:12px;font-size:9px}.im-chat-scroll{padding:12px 14px}.im-chat-message{max-width:92%}.im-chat-composer{margin:0 12px 12px;gap:7px}.im-chat .im-chat-send{padding:12px}.im-chat-send>span{display:none}.im-chat-composer-foot>span:first-child{max-width:210px}.im-chat-conversation-copy strong{font-size:14px}}
@media(max-width:750px){html :is(.invited-home>.header,.session-header):has(.im-chat-toggle){flex-wrap:wrap;align-content:flex-start}html :is(.invited-home>.header,.session-header):has(.im-chat-toggle)>.header-actions{gap:8px;flex-wrap:nowrap}.header-actions:has(.im-chat-toggle) .im-user-name{display:none}}
@media(prefers-reduced-motion:reduce){.im-chat[open]{animation:none}}