.chat-popup{background-color:var(--background);border:var(--border-width)solid var(--border);border-radius:var(--radius-lg);bottom:calc(var(--space-10) + 56px + 16px);box-shadow:var(--shadow-xl);opacity:0;pointer-events:none;height:480px;max-height:calc(100vh - 120px);right:var(--space-10);transform-origin:100% 100%;width:380px;z-index:var(--z-modal);flex-direction:column;transition:opacity .2s cubic-bezier(.22,1,.36,1),transform .2s cubic-bezier(.22,1,.36,1);display:flex;position:fixed;overflow:hidden;transform:translateY(8px)scale(.97)}.chat-popup--open{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}@media (max-width:480px){.chat-popup{border-radius:0;width:100%;height:100dvh;max-height:100dvh;bottom:0;left:0;right:0;transform:translateY(100%)}.chat-popup.chat-popup--open{transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.chat-popup{transition:none}}.chat-toggle{background-color:var(--primary-color,var(--primary));border-radius:var(--radius-full);bottom:var(--space-8);box-shadow:var(--shadow-lg);color:var(--primary-color-contrast,var(--primary-contrast));cursor:pointer;height:56px;right:var(--space-8);width:56px;z-index:var(--z-sticky);border:none;justify-content:center;align-items:center;transition:transform .2s,box-shadow .2s;display:flex;position:fixed}.chat-toggle:hover{box-shadow:var(--shadow-xl);transform:scale(1.04)}.chat-toggle:active{transform:scale(.96)}.chat-toggle:focus-visible{box-shadow:0 0 0 2px var(--background),0 0 0 4px var(--primary-color,var(--primary));outline:none}@media (max-width:480px){.chat-toggle{bottom:var(--space-4);height:48px;right:var(--space-4);width:48px}}@media (prefers-reduced-motion:reduce){.chat-toggle{transition:none}.chat-toggle:hover,.chat-toggle:active{transform:none}}.chat-drawer{flex-direction:column;flex:1;min-height:0;display:flex;position:relative}.drawer-header{background-color:var(--background-light);border-bottom:var(--border-width)solid 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var(--transition-fast);background-color:transparent}.starter-chip:hover{background-color:var(--background-light);border-color:var(--primary-color,var(--primary))}.starter-chip:focus-visible{box-shadow:var(--focus-ring);outline:none}.drawer-footer{border-top:var(--border-width)solid var(--border);gap:var(--space-2);padding:var(--space-3);flex-direction:column;flex-shrink:0;display:flex}.help-button{color:var(--text-muted);cursor:pointer;font-size:var(--text-xs);align-self:flex-start;align-items:center;gap:var(--space-1);transition:color var(--transition-fast);background:0 0;border:none;padding:0;display:flex}.help-button:hover{color:var(--text)}.support-form-overlay{background-color:var(--background-light);border-top:var(--border-width)solid var(--border);padding:var(--space-4);z-index:10;flex-direction:column;animation:.15s ease-out slideUp;display:flex;position:absolute;top:48px;bottom:0;left:0;right:0}@keyframes 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blockquote{border-left:2px solid var(--border);color:var(--text-muted);margin:0 0 var(--space-3);padding-left:var(--space-2)}.typing-indicator{gap:var(--space-1);padding:var(--space-1)0;display:flex}.typing-indicator span{background-color:var(--text-muted);border-radius:var(--radius-full);width:8px;height:8px;animation:1.4s infinite typing}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.stream-cursor{background-color:var(--text-muted);vertical-align:text-bottom;border-radius:1px;width:2px;height:1em;margin-left:2px;animation:1s steps(2,start) infinite stream-cursor-blink;display:inline-block}@keyframes 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var(--transition-fast);flex-shrink:0}.article-links{gap:var(--space-1);flex-direction:column;display:flex}.references-label{color:var(--text-muted);font-size:var(--text-xs);font-weight:var(--font-medium);margin:0 0 2px}.article-link{color:var(--text-muted);font-size:var(--text-sm);align-items:center;gap:var(--space-2);transition:color var(--transition-fast);text-decoration:none;display:flex}.article-link svg{color:var(--text-muted);flex-shrink:0}.article-link span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.article-link:hover{color:var(--text)}.article-link:hover svg{color:var(--primary-color,var(--primary))}.message-feedback{align-items:center;gap:var(--space-2);margin-top:var(--space-2);padding-left:var(--space-2);display:flex;position:relative}.confetti-container{pointer-events:none;width:0;height:0;position:absolute;top:50%;left:0;overflow:visible}.feedback-label{color:var(--text-muted);font-size:var(--text-xs)}.feedback-thanks{color:var(--text-muted);font-size:var(--text-xs);align-items:center;gap:var(--space-1);display:flex}.feedback-icon{flex-shrink:0}.feedback-icon--party{animation:.5s partyBounce}.feedback-icon--sad{animation:.5s sadShake}@keyframes partyBounce{0%,to{transform:scale(1)rotate(0)}25%{transform:scale(1.3)rotate(-10deg)}50%{transform:scale(1.1)rotate(10deg)}75%{transform:scale(1.2)rotate(-5deg)}}@keyframes sadShake{0%,to{transform:translate(0)}20%,60%{transform:translate(-2px)}40%,80%{transform:translate(2px)}}.feedback-buttons{gap:var(--space-1);display:flex}.feedback-button{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;height:24px;transition:color var(--transition-fast),background-color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;width:24px;padding:0;display:flex;position:relative;overflow:visible}.feedback-button:hover{background-color:color-mix(in srgb,var(--text)6%,transparent);color:var(--text)}.confetti-particle{animation:.8s ease-out forwards confettiFall;animation-delay:var(--delay,0s);opacity:1;pointer-events:none;border-radius:2px;width:6px;height:6px;position:absolute;top:50%;left:50%}@keyframes confettiFall{0%{opacity:1;transform:translate(-50%,-50%)rotate(0)}to{opacity:0;transform:translate(calc(-50% + var(--x)),calc(-50% + var(--y)))rotate(var(--r))}}.chat-input-form{display:flex}.chat-input-wrap{width:100%;position:relative}.chat-textarea{background-color:var(--background-light);border:var(--border-width)solid var(--border);border-radius:var(--radius-lg);color:var(--text);font-family:inherit;font-size:var(--text-sm);min-height:40px;max-height:100px;padding:var(--space-2)calc(var(--space-8) + var(--space-2))var(--space-2)var(--space-3);resize:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%;line-height:1.5;display:block}.chat-textarea::placeholder{color:var(--text-placeholder)}.chat-textarea:focus-visible{border-color:var(--primary-color,var(--primary));box-shadow:0 0 0 3px color-mix(in 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var(--primary-color,var(--primary));outline:none}.support-form{gap:var(--space-3);flex-direction:column;flex:1;display:flex}.form-header{align-items:center;display:flex}.form-title{font-size:.875rem;font-weight:var(--font-semibold);letter-spacing:-.01em;margin:0}.form-description{color:var(--text-muted);font-size:var(--text-xs);margin:0}.form-body{gap:var(--space-2);flex-direction:column;flex:1;display:flex}.form-field{gap:var(--space-1);flex-direction:column;display:flex}.form-field--grow{flex:1}.form-actions{gap:var(--space-2);justify-content:flex-end;display:flex}.input-wrapper,.textarea-wrapper{gap:var(--space-1);flex-direction:column;width:100%;display:flex}.input-label,.textarea-label{color:var(--text);font-size:var(--text-xs);font-weight:var(--font-semibold)}.input-required{color:var(--error-text);margin-left:var(--space-1)}.input-field,.textarea-field{background-color:var(--surface-sunken);border:var(--border-width)solid 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(prefers-reduced-motion:reduce){.button{transition:none}.button-spinner{border-top-color:currentColor;border-right-color:transparent;animation:none}}.assistant-avatar-img{border-radius:var(--radius-full);object-fit:cover;width:100%;height:100%;display:block}.chat-thread--page{width:100%;max-width:760px;margin-left:auto;margin-right:auto}.chat-thread--page .message-list{gap:var(--space-4);min-height:0;padding:var(--space-4)0;flex:none;overflow:visible}.chat-thread--page .welcome-text{font-size:var(--text-base);max-width:520px}.chat-thread--page .message-text,.chat-thread--page .message-text--md{font-size:var(--text-base)}.chat-thread--page .starter-prompts{flex-flow:wrap;margin-top:0}.chat-thread--page .support-form-overlay{background-color:var(--surface-raised);border:var(--border-width)solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);animation:none;position:static}