.ch{--ch-bg:#f7f6fb;--ch-surface:#fff;--ch-line:#ebe8f5;--ch-ink:#1b1733;--ch-muted:#6a6585;--ch-accent:#7b5cff;--ch-accent-soft:#efeaff;--ch-rail:#1d1640;background:var(--ch-bg);height:100dvh;color:var(--ch-ink);font-family:var(--font-instrument),"Instrument Sans",system-ui,sans-serif;grid-template-columns:72px 320px minmax(0,1fr);font-size:14.5px;display:grid;overflow:hidden}.ch button{font:inherit;color:inherit;cursor:pointer}.ch :focus-visible{outline:2px solid var(--ch-accent);outline-offset:2px;border-radius:10px}.ch ::selection{background:var(--ch-accent);color:#fff}.ch-sr{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.ch-rail{background:var(--ch-rail);color:#c9c2f2;flex-direction:column;align-items:center;gap:10px;padding:16px 0;display:flex}.ch-logo{background:var(--ch-accent);color:#fff;border-radius:14px;place-items:center;width:42px;height:42px;margin-bottom:10px;font-size:20px;font-weight:700;display:grid}.ch-rail button{width:44px;height:44px;color:inherit;background:0 0;border:0;border-radius:14px;place-items:center;transition:background-color .15s;display:grid;position:relative}.ch-rail button:hover,.ch-rail button.is-active{color:#fff;background:#ffffff1a}.ch-rail button b{color:#fff;background:#ff5c8a;border-radius:99px;place-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;display:grid;position:absolute;top:2px;right:0}.ch-me{width:40px;height:40px;color:var(--ch-rail);box-shadow:0 0 0 3px var(--ch-rail),0 0 0 5px #3cd98a;background:#ffb547;border-radius:50%;place-items:center;margin-top:auto;font-size:13px;font-weight:700;display:grid}.ch-list{background:var(--ch-surface);border-right:1px solid var(--ch-line);flex-direction:column;min-height:0;display:flex}.ch-list>header{padding:18px 18px 10px}.ch-list>header strong{font-size:17px;display:block}.ch-list>header small{color:var(--ch-muted)}.ch-search{background:var(--ch-bg);color:var(--ch-muted);border-radius:12px;align-items:center;gap:8px;margin:4px 14px 8px;padding:0 12px;display:flex}.ch-search input{min-width:0;height:40px;font:inherit;color:var(--ch-ink);background:0 0;border:0;outline:none;flex:1}.ch-search:focus-within{box-shadow:0 0 0 2px var(--ch-accent)}.ch-groups{flex:1;padding:4px 8px 16px;overflow-y:auto}.ch-groups h2{letter-spacing:.06em;text-transform:uppercase;color:var(--ch-muted);padding:14px 10px 6px;font-size:11.5px;font-weight:600}.ch-row{text-align:left;background:0 0;border:0;border-radius:14px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;padding:9px 10px;transition:background-color .15s;display:grid}.ch-row:hover{background:var(--ch-bg)}.ch-row[aria-current=true]{background:var(--ch-accent-soft)}.ch-row-text{min-width:0;display:grid}.ch-row-text strong{align-items:center;gap:6px;font-weight:600;display:flex}.ch-row-text strong svg{color:var(--ch-muted)}.ch-row-text small{color:var(--ch-muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.ch-row-meta{justify-items:end;gap:4px;display:grid}.ch-row-meta time{color:var(--ch-muted);font-size:11.5px}.ch-row-meta b{background:var(--ch-accent);color:#fff;border-radius:99px;place-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;display:grid}.ch-empty{color:var(--ch-muted);padding:20px 12px}.ch-avatar{color:#fff;border-radius:14px;flex-shrink:0;place-items:center;font-size:13px;font-weight:700;display:grid;position:relative}.ch-avatar i{border:2px solid var(--ch-surface);background:#b8b3cc;border-radius:50%;width:12px;height:12px;position:absolute;bottom:-2px;right:-2px}.ch-avatar i[data-online=true]{background:#3cd98a}.ch-thread{flex-direction:column;min-width:0;min-height:0;display:flex}.ch-thread-head{background:var(--ch-surface);border-bottom:1px solid var(--ch-line);align-items:center;gap:12px;padding:14px 20px;display:flex}.ch-thread-head>div:not(.ch-head-actions){min-width:0;display:grid}.ch-thread-head strong{font-size:16px}.ch-thread-head small{color:var(--ch-muted);align-items:center;gap:5px;display:flex}.ch-head-actions{gap:6px;margin-left:auto;display:flex}.ch-head-actions button,.ch-back{border:1px solid var(--ch-line);background:var(--ch-surface);width:40px;height:40px;color:var(--ch-muted);border-radius:12px;place-items:center;display:grid}.ch-head-actions button:hover{color:var(--ch-accent);border-color:var(--ch-accent)}.ch-back{display:none}.ch-messages{overscroll-behavior:contain;flex:1;min-height:0;padding:16px 20px 20px;overflow-y:auto}.ch-day{color:var(--ch-muted);align-items:center;gap:12px;margin:6px 0 14px;font-size:12px;font-weight:600;display:flex}.ch-day:before,.ch-day:after{content:"";background:var(--ch-line);flex:1;height:1px}.ch-msg{border-radius:14px;grid-template-columns:38px minmax(0,1fr);gap:12px;padding:6px 8px;animation:.25s ch-in;display:grid;position:relative}.ch-msg:hover{background:#ffffffb3}.ch-msg.is-grouped{padding-top:0}.ch-msg.is-grouped .ch-msg-body{grid-column:2}.ch-msg-avatar{color:#fff;border-radius:12px;place-items:center;width:38px;height:38px;font-size:12px;font-weight:700;display:grid}.ch-msg-body header{align-items:baseline;gap:8px;display:flex}.ch-msg-body header strong{font-weight:600}.ch-msg-body header time{color:var(--ch-muted);font-size:12px}.ch-msg-body p{white-space:pre-wrap;overflow-wrap:anywhere;max-width:64ch;margin-top:2px;line-height:1.5}.ch-msg.is-mine .ch-msg-body{grid-column:2;justify-self:end;justify-items:end;display:grid}.ch-msg.is-mine .ch-msg-body p{background:var(--ch-accent);color:#fff;border-radius:16px 16px 4px;padding:9px 13px}.ch-msg.is-mine .ch-msg-body header{justify-content:flex-end}.ch-image{border:1px solid var(--ch-line);background:var(--ch-surface);border-radius:14px;width:min(420px,100%);margin-top:8px;padding:0;display:block;overflow:hidden}.ch-image img{width:100%;height:auto;transition:transform .3s;display:block}.ch-image:hover img{transform:scale(1.02)}.ch-reactions{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.ch-reactions button{border:1px solid var(--ch-line);background:var(--ch-surface);border-radius:99px;align-items:center;gap:4px;padding:2px 8px;font-size:13px;display:inline-flex}.ch-reactions button span{color:var(--ch-muted);font-size:12px;font-weight:600}.ch-reactions button:hover{border-color:var(--ch-accent)}.ch-react-bar{border:1px solid var(--ch-line);background:var(--ch-surface);opacity:0;pointer-events:none;border-radius:12px;gap:2px;padding:3px;transition:opacity .15s;display:flex;position:absolute;top:-14px;right:12px;box-shadow:0 8px 18px -10px #1b173355}.ch-msg:hover .ch-react-bar,.ch-msg:focus-within .ch-react-bar{opacity:1;pointer-events:auto}.ch-react-bar button{background:0 0;border:0;border-radius:8px;width:30px;height:30px;font-size:16px}.ch-react-bar button:hover{background:var(--ch-bg)}.ch-typing{color:var(--ch-muted);align-items:center;gap:10px;padding:8px 10px;font-size:13px;display:flex}.ch-typing span{background:var(--ch-surface);border:1px solid var(--ch-line);border-radius:12px;gap:3px;padding:8px 10px;display:flex}.ch-typing i{background:var(--ch-muted);border-radius:50%;width:6px;height:6px;animation:1s ease-in-out infinite ch-dot}.ch-typing i:nth-child(2){animation-delay:.15s}.ch-typing i:nth-child(3){animation-delay:.3s}@keyframes ch-dot{0%,to{opacity:.4;transform:none}50%{opacity:1;transform:translateY(-3px)}}@keyframes ch-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.ch-suggest{background:var(--ch-bg);padding:10px 20px 0}.ch-suggest>span{color:var(--ch-accent);align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.ch-suggest>div{gap:8px;margin-top:8px;padding-bottom:4px;display:flex;overflow-x:auto}.ch-suggest button{background:var(--ch-surface);text-align:left;white-space:normal;border:1px solid #d9d0ff;border-radius:12px;flex:none;max-width:320px;padding:8px 12px;font-size:13px;line-height:1.4}.ch-suggest button:hover{border-color:var(--ch-accent);background:var(--ch-accent-soft)}.ch-composer{border:1px solid var(--ch-line);background:var(--ch-surface);border-radius:18px;align-items:flex-end;gap:8px;margin:10px 20px 16px;padding:8px;display:flex;box-shadow:0 8px 20px -16px #1b173366}.ch-composer:focus-within{border-color:var(--ch-accent)}.ch-composer>button,.ch-emoji>button{width:40px;height:40px;color:var(--ch-muted);background:0 0;border:0;border-radius:12px;flex-shrink:0;place-items:center;display:grid}.ch-composer>button:hover,.ch-emoji>button:hover{background:var(--ch-bg);color:var(--ch-ink)}.ch-composer textarea{min-width:0;max-height:120px;font:inherit;color:var(--ch-ink);resize:none;field-sizing:content;background:0 0;border:0;outline:none;flex:1;padding:10px 4px}.ch-composer .ch-send{background:var(--ch-accent);color:#fff}.ch-composer .ch-send:hover:not(:disabled){color:#fff;background:#6446f0}.ch-composer .ch-send:disabled{opacity:.45;cursor:default}.ch-emoji{position:relative}.ch-picker{border:1px solid var(--ch-line);background:var(--ch-surface);border-radius:14px;grid-template-columns:repeat(4,36px);gap:2px;padding:6px;display:grid;position:absolute;bottom:48px;right:0;box-shadow:0 14px 30px -14px #1b173366}.ch-picker button{background:0 0;border:0;border-radius:10px;width:36px;height:36px;font-size:18px}.ch-picker button:hover{background:var(--ch-bg)}.ch-toast{z-index:30;background:var(--ch-rail);color:#fff;border-radius:12px;max-width:calc(100vw - 32px);padding:10px 16px;animation:.2s ch-in;position:fixed;bottom:96px;left:50%;transform:translate(-50%)}@media (max-width:980px){.ch{grid-template-columns:64px 280px minmax(0,1fr)}}@media (max-width:760px){.ch{grid-template-columns:minmax(0,1fr)}.ch-rail,.ch[data-view=list] .ch-thread,.ch[data-view=chat] .ch-list{display:none}.ch-back{display:grid}.ch-thread-head{gap:10px;padding:10px 12px}.ch-messages{padding:12px}.ch-suggest{padding:8px 12px 0}.ch-composer{margin:8px 10px 12px}.ch-composer textarea{font-size:16px}.ch-head-actions button:last-child{display:none}.ch-react-bar{right:4px}}@media (prefers-reduced-motion:reduce){.ch *,.ch :before,.ch :after{transition:none!important;animation:none!important}}