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.cbt-message__bubble{border-color:#fecaca;background:#fef2f2;color:var(--cbt-error)}.cbt-md{display:contents}.cbt-md>*:first-child{margin-top:0}.cbt-md>*:last-child{margin-bottom:0}.cbt-md p{margin:0 0 var(--cbt-space-2)}.cbt-md p:last-child{margin-bottom:0}.cbt-md ul,.cbt-md ol{margin:var(--cbt-space-2) 0;padding-left:var(--cbt-space-5)}.cbt-md li{margin-bottom:4px}.cbt-md a{color:var(--cbt-brand-600);text-decoration:underline;text-underline-offset:2px}.cbt-md a:hover{color:var(--cbt-brand-700)}.cbt-md code{padding:1px 5px;background:var(--cbt-surface-2);border-radius:var(--cbt-radius-sm);font-family:var(--cbt-font-mono);font-size:.92em;color:var(--cbt-text)}.cbt-md pre{margin:var(--cbt-space-2) 0;padding:var(--cbt-space-3);background:#0f172a;color:#f8fafc;border-radius:var(--cbt-radius-md);overflow-x:auto;font-size:var(--cbt-text-sm)}.cbt-md pre code{background:transparent;color:inherit;padding:0}.cbt-md blockquote{margin:var(--cbt-space-2) 0;padding-left:var(--cbt-space-3);border-left:3px solid var(--cbt-brand-500);color:var(--cbt-text-mute)}.cbt-md table{width:100%;margin:var(--cbt-space-2) 0;border-collapse:collapse;font-size:var(--cbt-text-sm)}.cbt-md th,.cbt-md td{padding:var(--cbt-space-2);border:1px solid var(--cbt-border);text-align:left}.cbt-md th{background:var(--cbt-surface-2);font-weight:600}.cbt-citations{display:flex;flex-wrap:wrap;gap:var(--cbt-space-1);margin-top:var(--cbt-space-2);padding-top:var(--cbt-space-2);border-top:1px dashed var(--cbt-border)}.cbt-citation-chip{display:inline-flex;align-items:center;gap:4px;padding:3px var(--cbt-space-2);background:var(--cbt-surface-2);border:1px solid var(--cbt-border);border-radius:var(--cbt-radius-pill);font-size:11px;color:var(--cbt-text-mute);transition:background var(--cbt-duration-fast) var(--cbt-ease),border-color var(--cbt-duration-fast) var(--cbt-ease),color var(--cbt-duration-fast) var(--cbt-ease);max-width:240px}.cbt-citation-chip:hover{background:var(--cbt-brand-50);border-color:var(--cbt-brand-500);color:var(--cbt-brand-700)}.cbt-citation-chip svg{width:11px;height:11px;flex-shrink:0}.cbt-citation-chip__label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.cbt-message__footer{display:flex;align-items:center;gap:var(--cbt-space-2);font-size:11px;color:var(--cbt-text-faint);padding:0 var(--cbt-space-2)}.cbt-message__time{font-variant-numeric:tabular-nums}.cbt-message__ticks{color:var(--cbt-text-faint);letter-spacing:-2px}.cbt-feedback{display:inline-flex;align-items:center;gap:2px;margin-left:auto}.cbt-feedback__btn{width:24px;height:24px;border-radius:var(--cbt-radius-sm);border:none;background:transparent;color:var(--cbt-text-faint);display:inline-flex;align-items:center;justify-content:center;transition:background var(--cbt-duration-fast) var(--cbt-ease),color var(--cbt-duration-fast) var(--cbt-ease),transform var(--cbt-duration-fast) var(--cbt-ease)}.cbt-feedback__btn:hover{background:var(--cbt-surface-2);color:var(--cbt-text)}.cbt-feedback__btn:active{transform:scale(.92)}.cbt-feedback__btn[aria-pressed=true]{background:var(--cbt-brand-50);color:var(--cbt-brand-600)}.cbt-feedback__btn[aria-pressed=true][data-kind=dislike]{background:#fef2f2;color:var(--cbt-error)}.cbt-feedback__btn svg{width:14px;height:14px}.cbt-typing{display:inline-flex;align-items:center;gap:6px;padding:var(--cbt-space-2) var(--cbt-space-3);background:var(--cbt-surface);border:1px solid var(--cbt-border);border-radius:var(--cbt-radius-lg);border-top-left-radius:var(--cbt-radius-sm);color:var(--cbt-text-mute);font-size:var(--cbt-text-sm)}.cbt-typing__dots{display:inline-flex;gap:4px}.cbt-typing__dot{width:6px;height:6px;background:var(--cbt-brand-500);border-radius:var(--cbt-radius-pill);animation:cbt-typing-bounce 1.4s var(--cbt-ease) infinite both}.cbt-typing__dot:nth-child(2){animation-delay:.15s}.cbt-typing__dot:nth-child(3){animation-delay:.3s}.cbt-composer{position:relative;flex-shrink:0;padding:var(--cbt-space-3) var(--cbt-space-5) var(--cbt-space-4);background:var(--cbt-surface);border-top:1px solid var(--cbt-border)}.cbt-composer__status{font-size:var(--cbt-text-sm);color:var(--cbt-text-mute);margin-bottom:var(--cbt-space-2);display:flex;align-items:center;gap:var(--cbt-space-2)}.cbt-composer__status--error{color:var(--cbt-error)}.cbt-composer__status svg{width:14px;height:14px}.cbt-composer__row{display:flex;align-items:flex-end;gap:var(--cbt-space-2);background:var(--cbt-surface-2);border:1px solid var(--cbt-border);border-radius:var(--cbt-radius-xl);padding:var(--cbt-space-2);transition:border-color var(--cbt-duration-fast) var(--cbt-ease),background var(--cbt-duration-fast) var(--cbt-ease)}.cbt-composer__row:focus-within{background:var(--cbt-surface);border-color:var(--cbt-brand-500);box-shadow:0 0 0 3px var(--cbt-brand-shadow)}.cbt-composer__attach{width:36px;height:36px;border-radius:var(--cbt-radius-pill);border:none;background:transparent;color:var(--cbt-text-faint);display:inline-flex;align-items:center;justify-content:center;transition:background var(--cbt-duration-fast) var(--cbt-ease),color var(--cbt-duration-fast) var(--cbt-ease);flex-shrink:0}.cbt-composer__attach:hover:not(:disabled){background:var(--cbt-surface-2);color:var(--cbt-text)}.cbt-composer__attach:disabled{opacity:.5;cursor:not-allowed}.cbt-composer__attach svg{width:18px;height:18px}.cbt-composer__input{flex:1;border:none;background:transparent;resize:none;outline:none;font-family:inherit;font-size:var(--cbt-text-base);line-height:1.5;color:var(--cbt-text);padding:var(--cbt-space-2);min-height:24px;max-height:120px}.cbt-composer__input::placeholder{color:var(--cbt-text-faint)}.cbt-composer__input:disabled{opacity:.6;cursor:not-allowed}.cbt-composer__send{width:36px;height:36px;border-radius:var(--cbt-radius-pill);border:none;background:linear-gradient(135deg,var(--cbt-brand-600),var(--cbt-brand-700));color:#fff;display:inline-flex;align-items:center;justify-content:center;transition:transform var(--cbt-duration-fast) var(--cbt-ease),box-shadow var(--cbt-duration-fast) var(--cbt-ease),opacity var(--cbt-duration-fast) var(--cbt-ease);flex-shrink:0;box-shadow:0 2px 6px var(--cbt-brand-shadow)}.cbt-composer__send:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px var(--cbt-brand-shadow)}.cbt-composer__send:active:not(:disabled){transform:translateY(0)}.cbt-composer__send:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.cbt-composer__send svg{width:16px;height:16px}.cbt-composer__disclaimer{margin-top:var(--cbt-space-2);font-size:11px;color:var(--cbt-text-faint);text-align:center}.cbt-a11y-hidden{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.display-name-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--cbt-z-modal);display:flex;align-items:center;justify-content:center;padding:var(--cbt-space-4)}.display-name-modal__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a73;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.display-name-modal__panel{position:relative;max-width:420px;width:100%;background:var(--cbt-surface);border-radius:var(--cbt-radius-lg);padding:var(--cbt-space-6);box-shadow:var(--cbt-shadow-lg);animation:cbt-modal-pop var(--cbt-duration-base) var(--cbt-ease)}.display-name-modal__title{margin:0 0 var(--cbt-space-2);font-size:var(--cbt-text-xl);font-weight:600;color:var(--cbt-text)}.display-name-modal__copy{margin:0 0 var(--cbt-space-4);font-size:var(--cbt-text-base);color:var(--cbt-text-mute)}.display-name-modal__label{display:block;margin-bottom:var(--cbt-space-2);font-size:var(--cbt-text-sm);font-weight:500;color:var(--cbt-text)}.display-name-modal__input{width:100%;padding:var(--cbt-space-3);border:1px solid var(--cbt-border);border-radius:var(--cbt-radius-md);font-family:inherit;font-size:var(--cbt-text-base);color:var(--cbt-text);background:var(--cbt-surface);transition:border-color var(--cbt-duration-fast) var(--cbt-ease),box-shadow var(--cbt-duration-fast) var(--cbt-ease)}.display-name-modal__input:focus{border-color:var(--cbt-brand-500);outline:none;box-shadow:0 0 0 3px var(--cbt-brand-shadow)}.display-name-modal__actions{display:flex;justify-content:flex-end;gap:var(--cbt-space-2);margin-top:var(--cbt-space-5)}.display-name-modal__skip,.display-name-modal__save{padding:var(--cbt-space-2) var(--cbt-space-4);border-radius:var(--cbt-radius-md);font-size:var(--cbt-text-base);font-weight:500;transition:background var(--cbt-duration-fast) var(--cbt-ease),color var(--cbt-duration-fast) var(--cbt-ease)}.display-name-modal__skip{background:transparent;border:1px solid var(--cbt-border);color:var(--cbt-text-mute)}.display-name-modal__skip:hover:not(:disabled){background:var(--cbt-surface-2);color:var(--cbt-text)}.display-name-modal__save{background:linear-gradient(135deg,var(--cbt-brand-600),var(--cbt-brand-700));color:#fff;border:none;box-shadow:0 2px 6px var(--cbt-brand-shadow)}.display-name-modal__save:hover:not(:disabled){box-shadow:0 4px 12px var(--cbt-brand-shadow)}.display-name-modal__save:disabled,.display-name-modal__skip:disabled{opacity:.5;cursor:not-allowed}@keyframes cbt-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes cbt-modal-pop{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes cbt-typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}@keyframes cbt-pulse{0%,to{box-shadow:0 0 #16a34a66}50%{box-shadow:0 0 0 4px #16a34a00}}.cbt-header__online-dot{animation:cbt-pulse 2s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.cbt-message,.display-name-modal__panel,.cbt-typing__dot,.cbt-header__online-dot{animation:none!important}}