:root{--chathub-primary: #0f766e;--chathub-primary-strong: #115e59;--chathub-primary-soft: #ccfbf1;--chathub-text: #0f172a;--chathub-muted: #475569;--chathub-subtle: #64748b;--chathub-line: #cbd5e1;--chathub-canvas: #f8fafc;--chathub-surface: #ffffff;--chathub-agent: #f1f5f9;--chathub-danger: #b91c1c;--chathub-danger-soft: #fef2f2;--chathub-warning: #92400e;--chathub-warning-soft: #fffbeb;--chathub-focus: #0f766e;--chathub-radius: 14px;--chathub-shadow: 0 18px 45px rgba(15, 23, 42, .24);color-scheme:light}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:15px;line-height:1.45;color:var(--chathub-text);background:var(--chathub-canvas);-webkit-font-smoothing:antialiased;overscroll-behavior:none}#app{height:100%}.chathub-app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:100%;overflow:hidden;background:var(--chathub-canvas);color:var(--chathub-text);text-align:left}.chathub-app button,.chathub-app textarea{font:inherit;color:inherit}.chathub-app :focus-visible{outline:2px solid var(--chathub-focus);outline-offset:2px}.chathub-app a{color:var(--chathub-primary-strong);text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}.chathub-header{display:flex;align-items:center;justify-content:space-between;gap:8px;flex:0 0 auto;padding:10px 12px;background:var(--chathub-surface);border-bottom:1px solid var(--chathub-line)}.chathub-brand{display:flex;align-items:center;gap:10px;min-width:0}.chathub-brand__mark{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--chathub-primary);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em}.chathub-brand__text{min-width:0}.chathub-title{margin:0;font-size:15px;font-weight:700;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chathub-status{display:flex;align-items:center;gap:5px;margin:1px 0 0;font-size:11.5px;line-height:1.3;color:var(--chathub-muted);white-space:nowrap}.chathub-status__icon{font-size:10px;line-height:1}.chathub-status[data-state=connecting] .chathub-status__icon{color:var(--chathub-subtle)}.chathub-status[data-state=online] .chathub-status__icon{color:#15803d}.chathub-status[data-state=polling] .chathub-status__icon{color:#0f766e}.chathub-status[data-state=offline],.chathub-status[data-state=offline] .chathub-status__icon{color:var(--chathub-danger)}.chathub-header__actions{display:flex;align-items:center;gap:2px;flex:0 0 auto}.chathub-icon-button{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-width:40px;min-height:40px;padding:6px 8px;border:0;border-radius:10px;background:transparent;color:#334155;cursor:pointer}.chathub-icon-button:hover{background:#f1f5f9}.chathub-new-chat__icon{font-size:17px;line-height:1}.chathub-new-chat__label{font-size:12px;font-weight:600}.chathub-close span{font-size:24px;line-height:1}.chathub-notice{display:flex;align-items:flex-start;gap:8px;flex:0 0 auto;padding:9px 12px;border-bottom:1px solid var(--chathub-line);background:#eff6ff;color:#1e3a8a;font-size:12.5px}.chathub-notice--warning{background:var(--chathub-warning-soft);border-bottom-color:#fcd34d;color:var(--chathub-warning)}.chathub-notice--error{background:var(--chathub-danger-soft);border-bottom-color:#fecaca;color:var(--chathub-danger)}.chathub-notice__icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:18px;height:18px;margin-top:1px;border:1px solid currentColor;border-radius:50%;font-size:11px;font-weight:700}.chathub-notice__content{min-width:0;flex:1}.chathub-notice__text{margin:0}.chathub-notice__action{margin-top:5px;padding:0;border:0;background:transparent;color:inherit;font-weight:700;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.chathub-notice__dismiss{flex:0 0 auto;width:28px;height:28px;padding:0;border:0;border-radius:8px;background:transparent;color:inherit;font-size:18px;line-height:1;cursor:pointer}.chathub-notice__dismiss:hover{background:#0f172a14}.chathub-thread{flex:1 1 auto;min-height:0;padding:12px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#94a3b8 transparent}.chathub-thread::-webkit-scrollbar{width:8px}.chathub-thread::-webkit-scrollbar-thumb{border-radius:999px;background:#94a3b8}.chathub-greeting{margin-bottom:12px;padding:10px 12px;border:1px solid #99f6e4;border-radius:12px;background:#f0fdfa}.chathub-greeting__title{margin:0 0 2px;font-size:14px;font-weight:700}.chathub-greeting__text{margin:0;font-size:12.5px;color:#134e4a}.chathub-load-more{display:flex;justify-content:center;margin-bottom:10px}.chathub-load-more__button{min-height:34px;padding:6px 12px;border:1px solid var(--chathub-line);border-radius:999px;background:var(--chathub-surface);color:var(--chathub-primary-strong);font-size:12px;font-weight:600;cursor:pointer}.chathub-load-more__button:hover:not(:disabled){background:#f0fdfa}.chathub-load-more__button:disabled{color:var(--chathub-subtle);cursor:default}.chathub-empty{padding:24px 14px;text-align:center;color:var(--chathub-muted)}.chathub-empty__icon{font-size:26px;line-height:1}.chathub-empty__title{margin:8px 0 4px;font-size:14px;font-weight:700;color:var(--chathub-text)}.chathub-empty__text{margin:0 auto;max-width:250px;font-size:12.5px}.chathub-messages{display:flex;flex-direction:column;gap:10px}.chathub-msg{display:flex;flex-direction:column;max-width:84%}.chathub-msg--agent{align-self:flex-start;align-items:flex-start}.chathub-msg--visitor{align-self:flex-end;align-items:flex-end}.chathub-msg__bubble{max-width:100%;padding:9px 11px;border-radius:var(--chathub-radius);overflow-wrap:anywhere}.chathub-msg--agent .chathub-msg__bubble{background:var(--chathub-agent);border:1px solid #e2e8f0;border-bottom-left-radius:4px;color:var(--chathub-text)}.chathub-msg--visitor .chathub-msg__bubble{background:var(--chathub-primary);border:1px solid var(--chathub-primary);border-bottom-right-radius:4px;color:#fff}.chathub-msg__text{margin:0;font-size:14px;white-space:pre-wrap;word-break:break-word}.chathub-msg--visitor .chathub-msg__text a{color:#fff}.chathub-msg__meta{display:flex;align-items:center;flex-wrap:wrap;gap:5px;margin-top:3px;padding:0 2px;font-size:11px;color:var(--chathub-subtle)}.chathub-msg--visitor .chathub-msg__meta{justify-content:flex-end}.chathub-msg__sender{font-weight:600}.chathub-msg__separator{opacity:.7}.chathub-msg__status{display:inline-flex;align-items:center;gap:3px}.chathub-msg__status--pending{color:var(--chathub-muted)}.chathub-msg__status--error{color:var(--chathub-danger);font-weight:600}.chathub-msg__clock{font-size:10px}.chathub-msg__retry{padding:1px 4px;border:0;border-radius:4px;background:transparent;color:var(--chathub-danger);font-size:11px;font-weight:700;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.chathub-msg__retry:hover{background:var(--chathub-danger-soft)}.chathub-fatal{margin:10px 0;padding:14px;border:1px solid #fecaca;border-radius:12px;background:var(--chathub-danger-soft);color:#7f1d1d}.chathub-fatal__title{margin:0 0 4px;font-size:15px}.chathub-fatal__message{margin:0 0 10px;font-size:13px}.chathub-fatal__hint{margin:10px 0 0;font-size:12px;color:var(--chathub-muted)}.chathub-fatal--standalone{margin:auto;max-width:340px}.chathub-app--error{align-items:center;justify-content:center;padding:20px}.chathub-button{min-height:40px;padding:8px 14px;border-radius:10px;border:1px solid transparent;font-size:13px;font-weight:600;cursor:pointer}.chathub-button--primary{background:var(--chathub-primary);color:#fff}.chathub-button--primary:hover{background:var(--chathub-primary-strong)}.chathub-composer-wrap{position:relative;flex:0 0 auto;background:var(--chathub-surface);border-top:1px solid var(--chathub-line)}.chathub-jump{position:absolute;top:-38px;right:14px;min-height:30px;padding:4px 10px;border:1px solid var(--chathub-line);border-radius:999px;background:var(--chathub-surface);color:var(--chathub-primary-strong);font-size:12px;font-weight:600;box-shadow:0 4px 14px #0f172a29;cursor:pointer}.chathub-composer{padding:9px 12px calc(9px + 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14px;font-size:13px;color:var(--chathub-muted)}.chathub-modal__actions{display:flex;justify-content:flex-end;gap:8px}.chathub-button--secondary{border-color:var(--chathub-line);background:#fff;color:var(--chathub-text)}.chathub-button--secondary:hover{background:#f1f5f9}.chathub-button--danger{background:var(--chathub-danger);color:#fff}.chathub-button--danger:hover{background:#991b1b}.chathub-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:360px){.chathub-header{padding:8px 10px}.chathub-thread{padding:10px}.chathub-msg{max-width:90%}.chathub-composer{padding-left:10px;padding-right:10px}.chathub-composer__hint,.chathub-new-chat__label{display:none}}@media(max-height:520px){.chathub-greeting{display:none}.chathub-empty{padding:12px 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