:root{--zchat-accent: var(--brand-blue);--zchat-accent-hover: var(--brand-blue-hover);--zchat-surface: var(--brand-blue-soft);--zchat-border: var(--brand-blue-border);--zchat-background: var(--surface-secondary);--zchat-card: var(--surface);--zchat-text: var(--text-primary);--zchat-muted: var(--text-muted);--zchat-divider: var(--border-subtle);--zchat-on-accent: var(--text-inverse);--zchat-danger: var(--danger);--zchat-success: var(--success);--zchat-overlay: var(--surface-overlay)}:is(.dark,[data-theme=dark]) [data-zchat-context]{--zchat-accent: color-mix(in srgb, var(--text-link) 55%, var(--text-on-inverse));--zchat-accent-hover: var(--text-on-inverse);--zchat-surface: color-mix(in srgb, var(--zchat-accent) 10%, var(--surface-inverse));--zchat-border: color-mix(in srgb, var(--zchat-accent) 35%, var(--surface-inverse));--zchat-card: var(--surface-inverse);--zchat-text: var(--text-on-inverse);--zchat-muted: var(--text-on-inverse-muted);--zchat-divider: var(--stroke-on-inverse)}:root{color-scheme:light dark;--surface: #FFFFFF;--surface-secondary: #FAFBFC;--surface-overlay: rgba(15, 23, 42, .4);--surface-inverse: #172033;--surface-inverse-hover: #0F1626;--text-on-inverse: #F1F4F8;--text-on-inverse-muted: #CBD5E1;--stroke-on-inverse: rgba(241, 244, 248, .24);--text-primary: #172033;--text-muted: #64748B;--text-inverse: #FFFFFF;--brand-blue: #0057FF;--brand-blue-hover: #0047D6;--brand-blue-soft: #EAF1FF;--brand-blue-border: #BFD3FF;--border-subtle: #EEF2F6;--danger: #D92D20;--success: #039855;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}@media(prefers-color-scheme:dark){:root{--zchat-background: var(--surface-inverse-hover);--zchat-card: var(--surface-inverse);--zchat-text: var(--text-on-inverse);--zchat-muted: var(--text-on-inverse-muted);--zchat-accent: color-mix(in srgb, var(--brand-blue) 55%, var(--text-on-inverse));--zchat-accent-hover: var(--text-on-inverse);--zchat-on-accent: var(--surface-inverse);--zchat-surface: color-mix(in srgb, var(--zchat-accent) 10%, var(--surface-inverse));--zchat-border: color-mix(in srgb, var(--zchat-accent) 35%, var(--surface-inverse));--zchat-divider: var(--stroke-on-inverse);--zchat-danger: color-mix(in srgb, var(--danger) 55%, var(--text-on-inverse));--zchat-success: color-mix(in srgb, var(--success) 65%, var(--text-on-inverse));--zchat-overlay: color-mix(in srgb, var(--surface-inverse-hover) 92%, transparent)}}*{box-sizing:border-box}body{margin:0;background:var(--zchat-background);color:var(--zchat-text)}button,textarea,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;color:inherit}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--zchat-accent);outline-offset:3px}a{color:var(--zchat-accent)}.zc-shell{width:min(100%,780px);margin:0 auto;height:100dvh;min-height:320px;display:flex;flex-direction:column;background:var(--zchat-card);overflow:hidden;border-inline:1px solid var(--zchat-divider)}.zc-header{display:flex;flex:0 0 auto;align-items:center;gap:11px;padding:calc(14px + env(safe-area-inset-top)) 18px 14px;border-bottom:1px solid var(--zchat-divider);background:var(--zchat-card)}.zc-avatar{width:42px;height:42px;flex:0 0 auto;-o-object-fit:cover;object-fit:cover;border-radius:14px}.zc-brand-mark{display:inline-flex;align-items:center;justify-content:center;background:var(--zchat-surface);color:var(--zchat-accent);font-size:24px;font-weight:750}.zc-header-name{min-width:0;flex:1}.zc-header h1{font-size:15px;line-height:1.4;margin:0;font-weight:680;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.zc-header-name>span{font-size:11px;color:var(--zchat-muted)}.zc-connection{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:var(--zchat-muted);white-space:nowrap}.zc-connection i{width:6px;height:6px;border-radius:50%;background:var(--zchat-muted)}.zc-connected i{background:var(--zchat-success)}.zc-muted{color:var(--zchat-muted)}.zc-banner{flex:0 0 auto;background:var(--zchat-surface);color:var(--zchat-text);display:flex;align-items:center;gap:9px;padding:10px 16px;font-size:12px;line-height:1.5;border-bottom:1px solid var(--zchat-border)}.zc-banner svg{flex:0 0 auto}.zc-banner button{text-decoration:underline;white-space:nowrap;font-size:11px}.zc-error{color:var(--zchat-danger);font-size:12px;line-height:1.5}.zc-message-list{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 18px 22px;background:var(--zchat-background);scrollbar-width:thin;scroll-behavior:auto}.zc-day{text-align:center;color:var(--zchat-muted);font-size:10px;padding:16px 4px}.zc-message{width:-moz-fit-content;width:fit-content;max-width:85%;padding:9px 12px 6px;margin-bottom:8px;border-radius:16px;overflow-wrap:anywhere;border:1px solid var(--zchat-divider);background:var(--zchat-card)}.zc-message-company{border-bottom-left-radius:4px;margin-right:auto}.zc-message-own{border-bottom-right-radius:4px;margin-left:auto;background:var(--zchat-surface);border-color:var(--zchat-border)}.zc-author{color:var(--zchat-accent);display:block;font-size:11px;font-weight:650;margin-bottom:5px}.zc-message-text{font-size:14px;line-height:1.55;white-space:pre-wrap;margin:0}.zc-message-meta{display:flex;gap:4px;justify-content:flex-end;align-items:center;margin-top:5px;color:var(--zchat-muted);font-size:10px}.zc-message-meta span{display:inline-flex}.zc-message audio{display:block;max-width:100%;width:270px;height:42px}.zc-quote{border-left:3px solid var(--zchat-accent);padding:6px 9px;margin:0 0 7px;background:var(--zchat-surface);border-radius:5px;font-size:12px;display:flex;flex-direction:column;gap:3px;max-height:85px;overflow:hidden}.zc-quote strong{font-size:10px;color:var(--zchat-accent)}.zc-image-button{padding:0;display:block;margin:-3px -6px 6px;max-width:calc(100% + 12px)}.zc-image-button img{display:block;max-width:100%;max-height:320px;border-radius:10px;-o-object-fit:contain;object-fit:contain}.zc-unavailable{display:flex;align-items:center;gap:7px;font-size:12px;padding:10px;color:var(--zchat-muted)}.zc-menu{margin-top:10px;border-top:1px solid var(--zchat-divider)}.zc-menu button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;color:var(--zchat-accent);border:1px solid var(--zchat-border);border-radius:9px;margin-top:7px;min-height:42px;padding:9px 12px;font-size:13px;text-align:left}.zc-menu button:disabled{opacity:.7}.zc-menu button[aria-pressed=true]{background:var(--zchat-surface);opacity:1}.zc-menu small{display:block;margin-top:3px;font-size:11px;color:var(--zchat-muted)}.zc-menu-section{display:block;font-weight:650;font-size:12px;padding-top:8px}.zc-info-line{text-align:center;color:var(--zchat-muted);font-size:11px;line-height:1.5;margin:18px 16px}.zc-load-older{display:block;margin:0 auto;padding:9px 14px;font-size:12px;color:var(--zchat-accent);border-radius:20px;background:var(--zchat-card);border:1px solid var(--zchat-border)}.zc-empty{margin:max(30px,15vh) auto 24px;max-width:290px;text-align:center;color:var(--zchat-muted)}.zc-empty .zc-brand-mark{width:56px;height:56px;border-radius:18px}.zc-empty h2{color:var(--zchat-text);font-size:16px;line-height:1.5;font-weight:600}.zc-empty p{font-size:13px;line-height:1.6}.zc-composer{border-top:1px solid var(--zchat-divider);padding:10px 10px calc(7px + env(safe-area-inset-bottom));background:var(--zchat-card);flex:0 0 auto}.zc-compose-row{display:flex;align-items:flex-end;gap:5px}.zc-compose-row textarea{min-width:0;flex:1;resize:none;max-height:120px;min-height:42px;border-radius:13px;border:1px solid var(--zchat-divider);padding:10px 12px;background:var(--zchat-background);color:var(--zchat-text);font-size:14px;line-height:20px}.zc-compose-row textarea::-moz-placeholder{color:var(--zchat-muted)}.zc-compose-row textarea::placeholder{color:var(--zchat-muted)}.zc-icon-button{display:flex;align-items:center;justify-content:center;min-width:42px;min-height:42px;border-radius:13px;color:var(--zchat-muted);padding:8px}.zc-primary{background:var(--zchat-accent);color:var(--zchat-on-accent);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border-radius:12px;padding:11px 17px;text-decoration:none;font-size:13px;font-weight:600}.zc-primary:hover:not(:disabled){background:var(--zchat-accent-hover)}.zc-composer .zc-primary{min-width:42px;padding:8px}.zc-composer-hint{display:block;text-align:center;color:var(--zchat-muted);font-size:9px;padding-top:7px}.zc-attachment{display:flex;align-items:center;gap:9px;font-size:12px;margin-bottom:8px;padding:6px 10px;background:var(--zchat-surface);border-radius:10px}.zc-attachment span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.zc-attachment button{display:flex;padding:5px}.zc-recording{display:flex;align-items:center;min-height:44px;gap:10px;padding-left:8px;font-size:13px}.zc-recording>button:first-of-type{margin-left:auto}.zc-record-dot{width:8px;height:8px;border-radius:50%;background:var(--zchat-danger);animation:zc-pulse 1.5s ease-in-out infinite}.zc-gate{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:30px 24px;text-align:center;max-width:430px;margin:auto}.zc-gate h2{font-size:22px;font-weight:650;margin:5px 0 0;letter-spacing:-.4px}.zc-gate p{font-size:14px;line-height:1.65;color:var(--zchat-muted);margin:0}.zc-gate .zc-small{font-size:11px;margin-bottom:10px}.zc-gate .zc-error{color:var(--zchat-danger);font-size:12px}.zc-gate-icon{width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:var(--zchat-surface);border:1px solid var(--zchat-border);color:var(--zchat-accent);border-radius:23px;margin-bottom:5px}.zc-link-button{color:var(--zchat-accent);font-size:12px;padding:10px 15px}.zc-powered{padding:16px 16px calc(16px + env(safe-area-inset-bottom));text-align:center;font-size:10px;color:var(--zchat-muted)}.zc-skeleton{flex:1;min-height:0;padding:32px 18px;display:flex;flex-direction:column;gap:16px;background:var(--zchat-background)}.zc-skeleton span{height:65px;width:62%;border-radius:16px;background:var(--zchat-divider);animation:zc-pulse 1.5s ease-in-out infinite}.zc-skeleton span:nth-child(2){align-self:flex-end;width:50%}.zc-skeleton span:nth-child(3){width:72%}.zc-skeleton p{color:var(--zchat-muted);text-align:center;font-size:12px}.zc-send-error{border-top:1px solid var(--zchat-border);margin-top:6px;padding-top:6px;font-size:11px;color:var(--zchat-danger)}.zc-send-error p{margin:0 0 6px}.zc-send-error button{text-decoration:underline;padding:4px 0;font-weight:600}.zc-image-dialog{border:none;background:transparent;max-width:95vw;max-height:92dvh;padding:0;overflow:visible}.zc-image-dialog::backdrop{background:var(--zchat-overlay)}.zc-image-dialog>img{display:block;max-width:90vw;max-height:85dvh;border-radius:10px}.zc-image-dialog>button{position:absolute;top:8px;right:8px;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--zchat-card);color:var(--zchat-text)}@keyframes zc-pulse{50%{opacity:.5}}@media(min-width:800px){body{padding:24px}.zc-shell{height:calc(100dvh - 48px);border:1px solid var(--zchat-divider);border-radius:22px}.zc-message-list{padding-inline:28px}}@media(max-width:340px){.zc-header{padding-inline:12px;gap:8px}.zc-message-list{padding-inline:10px}.zc-message{max-width:90%}.zc-connection{font-size:9px}.zc-gate{padding-inline:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important}}.zc-conversation-state{flex:0 0 auto;padding:8px 16px;text-align:center;font-size:11px;line-height:1.5;color:var(--zchat-muted);border-top:1px solid var(--zchat-divider);background:var(--zchat-background)}