:root{--color-violet:#794dff;--color-violet-light-border:#e3d1ff;--bg-primary:#fff;--bg-secondary:#f2f0ef;--bg-tertiary:#f8f6f5;--bg-input:#f8f6f5;--text-primary:#222120;--text-secondary:#666361;--text-tertiary:#807c7a;--text-muted:#cecac8;--border:#e8e4e2;--border-secondary:#d7d4d2;--bg-subtle-purple:#f1e8ff;--user-bg:#f8f6f5;--assistant-bg:#fff;--accent:#794dff;--chip-bg:transparent;--chip-border:#e3d1ff}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}dialog{margin:auto;padding:1em}html{position:fixed;inset:0;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);top:var(--app-top,0);height:var(--app-height,100vh);flex-direction:column;font-family:GT America,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex;position:fixed;left:0;right:0;overflow:hidden}.container{max-width:480px;height:var(--app-height,100vh);flex-direction:column;width:100%;margin:0 auto;display:flex;position:relative}@supports 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1rem;display:flex}.conversation-list-empty p{margin-bottom:1rem}.conversation-date-section{color:var(--text-primary);margin:0;padding:16px 24px;font-size:1.1875rem;font-weight:500;line-height:24px}.conversation-row{cursor:pointer;text-align:left;-webkit-user-select:none;user-select:none;background:0 0;border:none;align-items:center;gap:16px;width:100%;padding:12px 24px;font-family:inherit;transition:background .15s;display:flex}.conversation-row:active{background:var(--bg-secondary)}.conversation-row--active{background:#f3efed}.conversation-content{flex:1;min-width:0}.conversation-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:1.0625rem;font-weight:300;line-height:24px;overflow:hidden}.conversation-trailing{flex-shrink:0;align-items:center;gap:4px;display:flex}.conversation-unread-dot{background:#e5484d;border-radius:50%;flex-shrink:0;width:8px;height:8px}.conversation-avatar{flex-shrink:0}.conversation-chevron{color:var(--text-muted);flex-shrink:0;align-items:center;display:flex}.conversation-list-loading{justify-content:center;padding:1rem;display:flex}.loading-messages{color:var(--text-muted);flex:1;justify-content:center;align-items:center;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--text-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.container-loading{justify-content:center;align-items:center}.session-loading{justify-content:center;align-items:center;display:flex}.session-loading-spinner{border:2px solid var(--border);border-top-color:var(--text-muted);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}.init-failed{justify-content:center;align-items:center;height:100%;display:flex}.init-failed-message{color:var(--text-muted);text-align:center;font-size:16px}.container-fade-in{animation:.3s ease-out forwards containerFadeIn}@keyframes containerFadeIn{0%{opacity:0}to{opacity:1}}.status-icon{vertical-align:middle;transform-origin:50%;flex-shrink:0;animation:.22s cubic-bezier(.34,1.35,.64,1) both statusPop}.status-pending{width:14px;height:14px;color:var(--text-muted,#a0a0a0);animation:.22s cubic-bezier(.34,1.35,.64,1) both statusPop,1.6s ease-in-out .22s infinite pendingBreathe}.status-sent,.status-read{width:17px;height:12px}.status-sent{color:var(--text-muted,#a0a0a0)}.status-read{color:#53bdeb;animation:.26s cubic-bezier(.34,1.35,.64,1) both statusPop,.42s ease-out .12s both readGlow}.status-failed{color:#ef4444;width:14px;height:14px}@keyframes statusPop{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}@keyframes pendingBreathe{0%,to{opacity:1}50%{opacity:.55}}@keyframes readGlow{0%{filter:drop-shadow(0 0 #53bdeb00)}35%{filter:drop-shadow(0 0 3px #53bdeb99)}to{filter:drop-shadow(0 0 #53bdeb00)}}@media (prefers-reduced-motion:reduce){.status-icon,.status-pending,.status-read{animation:none}}.status-retry{cursor:pointer;background:0 0;border:none;align-items:center;margin-left:4px;padding:0;display:inline-flex}.message-meta .status-icon,.message-meta .status-retry{margin-left:0}.status-retry:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #ef4444}.message.expert{align-items:flex-start;padding:0 80px 0 24px}.message.expert .message-content{width:auto;min-width:4.5rem;max-width:100%;color:var(--text-primary);background:#e9ddfe;border:none;border-radius:24px 24px 24px 3px;padding:12px 16px}.expert-header{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:4px;display:flex}.expert-name{color:var(--text-primary);font-size:1.0625rem;font-weight:500;line-height:1.2}.expert-time{color:#22212073;font-variant-numeric:tabular-nums;letter-spacing:.01em;white-space:nowrap;font-size:.6875rem}.waiting-expert-snackbar{background:var(--color-violet,#794dff);color:#fff;border-radius:8px;margin:0 .75rem .5rem;overflow:hidden}.waiting-expert-header{width:100%;color:inherit;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;padding:16px;font-family:inherit;font-size:1.0625rem;font-weight:500;line-height:24px;display:flex}.waiting-expert-title{flex:1;min-width:0}.waiting-expert-chevron{flex-shrink:0;width:24px;height:24px;position:relative}.waiting-expert-chevron:before{content:"";transform-origin:50%;border-bottom:2px solid #fff;border-right:2px solid #fff;width:10px;height:10px;position:absolute;top:50%;left:50%}.waiting-expert-chevron.up:before{transform:translate(-50%,-25%)rotate(-135deg)}.waiting-expert-chevron.down:before{transform:translate(-50%,-75%)rotate(45deg)}.waiting-expert-body{flex-direction:column;gap:16px;padding:0 16px 16px;display:flex}.waiting-expert-text{margin:0;font-size:1.0625rem;font-weight:300;line-height:24px}.waiting-expert-cancel{color:var(--text-primary,#222120);cursor:pointer;background:#fff;border:none;border-radius:50px;align-self:flex-start;min-width:64px;height:48px;padding:0 12px;font-family:inherit;font-size:1.0625rem;font-weight:500;line-height:20px}.waiting-expert-cancel:disabled{opacity:.6;cursor:not-allowed}.system-notification{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);white-space:nowrap;align-items:center;gap:12px;margin:8px 0;padding:6px 0;font-size:.6875rem;font-weight:600;display:flex}.system-notification:before,.system-notification:after{content:"";background:var(--border);flex:1;height:1px}.closed-conversation-panel{text-align:center;padding:16px 20px 24px}.closed-thank-you{color:var(--text-primary);margin:0 0 20px;font-size:.875rem;line-height:1.5}.csat-prompt{color:var(--text-secondary);margin:0 0 8px;font-size:.8125rem}.csat-stars{justify-content:center;gap:8px;margin-bottom:16px;display:flex}.csat-star{cursor:pointer;color:#d8b4fe;background:0 0;border:none;padding:4px;font-size:2rem;line-height:1;transition:color .15s}.csat-star.active,.csat-star:hover:not(:disabled){color:#9333ea}.csat-star:disabled{cursor:default}.csat-thanks{color:var(--text-secondary);margin:0 0 16px;font-size:.8125rem}.start-new-chat-btn{border:1px solid var(--border);background:var(--bg-primary);width:100%;color:var(--text-primary);cursor:pointer;border-radius:24px;justify-content:center;align-items:center;gap:6px;padding:12px 20px;font-family:inherit;font-size:.875rem;font-weight:500;transition:background .15s,border-color .15s;display:inline-flex}.start-new-chat-btn:hover{background:var(--bg-secondary);border-color:var(--text-muted)}.mention-dropdown{background:var(--bg-primary);border-top:1px solid var(--border-color,#e0e0e0);z-index:100;max-height:320px;padding:4px 0;position:fixed;left:0;right:0;overflow-y:auto}.mention-item{border:none;border-bottom:1px solid var(--border-color,#f0f0f0);cursor:pointer;width:100%;color:var(--text-primary);text-align:left;background:0 0;align-items:center;gap:14px;padding:12px 1.5rem;font-size:1rem;transition:background .12s;display:flex}.mention-item:last-child{border-bottom:none}.mention-item--active{background:var(--bg-input,#f5f5f5)}.mention-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:.9rem;font-weight:600;display:flex}.mention-info{flex-direction:column;gap:2px;min-width:0;display:flex}.mention-name{font-size:1rem;font-weight:600}.mention-subtitle{color:var(--text-secondary,#888);font-size:.8rem;font-weight:400}.textarea-wrapper{flex:1;min-width:0;position:relative}.mention-highlight-overlay{white-space:pre-wrap;overflow-wrap:anywhere;pointer-events:none;color:var(--text-primary);padding:.75rem 0;font-family:inherit;font-size:1.0625rem;font-weight:300;line-height:1.41;transition:padding .15s;position:absolute;inset:0;overflow:hidden}.mention-highlight-overlay .mention-tag{color:var(--mention-color,#52969d)}.message-mention{color:var(--mention-color,#52969d);font-weight:500}.textarea-wrapper textarea{resize:none;overflow-wrap:anywhere;width:100%;min-height:24px;max-height:120px;color:var(--text-primary);caret-color:var(--text-primary);background:0 0;border:none;outline:none;padding:.75rem 0;font-family:inherit;font-size:1.0625rem;font-weight:300;line-height:1.41;transition:padding .15s;display:block}.input-container:focus-within .textarea-wrapper textarea,.input-container:focus-within .mention-highlight-overlay{padding:1rem 0}.backfill-notice{background:var(--bg-subtle-purple);color:var(--text-secondary);border-radius:8px;margin:.5rem .75rem;padding:.625rem .75rem;font-size:13px;line-height:1.4}.voice-call-screen{z-index:1200;color:#fff;background:#000;flex-direction:column;display:flex;position:fixed;inset:0}.voice-call-screen-top{text-align:center;background:#000;flex-direction:column;flex:42%;justify-content:center;align-items:center;padding:2rem 1.5rem 1rem;display:flex}.voice-call-brand{letter-spacing:.04em;color:#fff;text-transform:uppercase;margin:0;font-size:clamp(2rem,8vw,2.75rem);font-weight:800;line-height:1.1}.voice-call-status-line{color:#fff;opacity:.95;margin:.75rem 0 0;font-size:1.05rem;font-weight:400}.voice-call-screen-bottom{padding:2.5rem 1.5rem max(2.5rem, env(safe-area-inset-bottom,1.5rem));color:#111;background:#ffe600;flex-direction:column;flex:58%;justify-content:space-between;align-items:center;display:flex}.voice-call-controls{grid-template-columns:repeat(4,1fr);gap:.5rem;width:100%;max-width:22rem;display:grid}.voice-call-control{color:#111;cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:.4rem;padding:.5rem .25rem;font-size:.7rem;font-weight:500;display:flex}.voice-call-control:disabled{opacity:.35;cursor:default}.voice-call-control.is-active{opacity:1}.voice-call-control svg{display:block}.voice-call-end{color:#fff;cursor:pointer;background:#e53935;border:none;border-radius:50%;justify-content:center;align-items:center;width:4.5rem;height:4.5rem;display:flex;box-shadow:0 4px 16px #0003}.voice-call-end:hover{background:#d32f2f}.voice-call-end:active{transform:scale(.96)}