.ocp-chat{position:fixed;right:20px;bottom:20px;z-index:70;--ocp-chat-online:#5BE08A;font-family:var(--ocp-font);}
  .ocp-chat *{box-sizing:border-box;}
  .ocp-chat__launch{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:60px;min-width:60px;
    padding:0;border-radius:999px;border:none;cursor:pointer;font-family:var(--ocp-font);color:#fff;background:var(--ocp-green);
    box-shadow:0 12px 32px rgba(27,107,53,.34),0 2px 6px rgba(22,41,77,.18);transition:background-color var(--ocp-dur-press) ease,transform var(--ocp-dur-press) var(--ocp-ease);
    animation:ocp-chat-launch-in .42s var(--ocp-ease) .5s backwards;}
  .ocp-chat__launch::before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--ocp-green);opacity:0;pointer-events:none;z-index:-1;}
  .ocp-chat__launch.is-ping::before{animation:ocp-chat-ring 1.5s var(--ocp-ease) 3;}
  .ocp-chat__launch.is-pill.is-ping::before{animation-name:ocp-chat-ring-pill;}
  .ocp-chat__launch:active{transform:scale(.96);}
  @media (hover:hover) and (pointer:fine){.ocp-chat__launch:hover{background:var(--ocp-green-2);transform:translateY(-2px);}}
  .ocp-chat__launch.is-pill{padding:0 24px 0 18px;}
  .ocp-chat__icon{flex:none;display:block;}
  .ocp-chat__label{font-size:15px;font-weight:700;white-space:nowrap;}
  .ocp-chat__dot{position:absolute;right:3px;bottom:3px;width:13px;height:13px;border-radius:50%;background:var(--ocp-chat-online);border:2px solid #fff;}
  .ocp-chat__launch.is-pill .ocp-chat__dot{right:2px;top:2px;bottom:auto;}
  .ocp-chat__teaser{position:absolute;right:0;bottom:calc(100% + 14px);width:max-content;max-width:min(280px,calc(100vw - 40px));display:flex;align-items:flex-start;
    background:#fff;border:1px solid var(--ocp-hairline);border-radius:var(--ocp-r-panel) var(--ocp-r-panel) var(--ocp-r-chip) var(--ocp-r-panel);box-shadow:0 16px 40px rgba(22,41,77,.18);
    opacity:0;transform:translateY(8px) scale(.96);transform-origin:bottom right;transition:opacity 160ms ease,transform 160ms var(--ocp-ease);}
  .ocp-chat__teaser.is-shown{opacity:1;transform:none;transition-duration:var(--ocp-dur-pop);}
  .ocp-chat__teaser[hidden],.ocp-chat.is-open .ocp-chat__teaser{display:none;}
  .ocp-chat__teaser-body{display:flex;flex-direction:column;gap:3px;padding:13px 4px 13px 16px;border:0;background:none;text-align:left;cursor:pointer;font-family:var(--ocp-font);color:var(--ocp-navy);}
  .ocp-chat__teaser-text{font-size:15px;font-weight:700;line-height:1.3;}
  .ocp-chat__teaser-ai{font-size:12.5px;line-height:1.35;color:var(--ocp-text-muted);}
  .ocp-chat__teaser-close{flex:none;display:flex;align-items:center;justify-content:center;width:32px;height:32px;margin:6px 6px 0 0;border:0;border-radius:50%;background:none;color:var(--ocp-text-muted);cursor:pointer;}
  @media (pointer:coarse){.ocp-chat__teaser-close{width:44px;height:44px;margin:0;}}
  @media (hover:hover) and (pointer:fine){.ocp-chat__teaser-close:hover{background:var(--ocp-green-tint);color:var(--ocp-navy);}}
  .ocp-chat__teaser-body:focus-visible,.ocp-chat__teaser-close:focus-visible,.ocp-chat__launch:focus-visible{outline:2px solid var(--ocp-navy);outline-offset:3px;}
  .ocp-chat__unread{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;border-radius:999px;background:var(--ocp-navy);
    color:#fff;font-size:11.5px;font-weight:700;display:none;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff;
    animation:ocp-chat-pop var(--ocp-dur-pop) var(--ocp-ease);}
  .ocp-chat__win{position:fixed;right:20px;bottom:20px;z-index:80;width:380px;max-width:calc(100vw - 32px);height:min(640px,85vh);
    display:none;flex-direction:column;background:#fff;border:1px solid var(--ocp-hairline);border-radius:14px;overflow:hidden;
    box-shadow:0 24px 64px rgba(22,41,77,.30);}
  .ocp-chat.is-open .ocp-chat__win{display:flex;}
  .ocp-chat.is-open .ocp-chat__launch{visibility:hidden;}
  .ocp-chat__head{background:var(--ocp-navy);color:#fff;padding:12px 12px 12px 16px;display:flex;align-items:center;gap:12px;flex:none;}
  .ocp-chat__ava{position:relative;width:38px;height:38px;border-radius:50%;background:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none;}
  .ocp-chat__ava span{font-size:20px;font-weight:700;color:var(--ocp-navy);margin-top:-1px;}
  .ocp-chat__ava i{position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;background:var(--ocp-green);border:2px solid var(--ocp-navy);}
  .ocp-chat__ttl{flex:1;min-width:0;}
  .ocp-chat__ttl b{display:block;font-size:15px;font-weight:700;line-height:1.2;}
  .ocp-chat__ttl small{font-size:12px;color:var(--ocp-on-navy-kicker);}
  .ocp-chat__hbtn{width:34px;height:34px;border:none;background:transparent;color:#fff;cursor:pointer;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;}
  .ocp-chat__hbtn:hover{background:rgba(255,255,255,.12);}
  .ocp-chat__body{flex:1;overflow-y:auto;background:var(--ocp-bg-soft);padding:16px 14px;display:flex;flex-direction:column;gap:10px;}
  .ocp-chat__body > *{flex:none;}
  .ocp-chat__m{max-width:82%;padding:10px 13px;border-radius:12px;font-size:14.5px;line-height:1.5;white-space:pre-line;}
  .ocp-chat__m--bot{background:#fff;border:1px solid var(--ocp-hairline);color:var(--ocp-ink);border-top-left-radius:3px;align-self:flex-start;}
  .ocp-chat__m--user{background:var(--ocp-navy);color:#fff;border-top-right-radius:3px;align-self:flex-end;}
  .ocp-chat__m--user.is-pending{opacity:.6;}
  .ocp-chat__ts{font-size:11px;color:var(--ocp-text-label);margin:-6px 2px 0;align-self:flex-start;}
  .ocp-chat__ts--user{align-self:flex-end;}
  .ocp-chat__sys{align-self:center;text-align:center;font-size:12.5px;color:var(--ocp-text-faint);}
  .ocp-chat__sys button{border:0;background:none;font:inherit;color:var(--ocp-green-2);font-weight:700;cursor:pointer;text-decoration:underline;}
  .ocp-chat__foot{position:relative;flex:none;border-top:1px solid var(--ocp-hairline);background:#fff;padding:10px 12px 8px;}
  .ocp-chat__frow{display:flex;gap:8px;}
  .ocp-chat__in{flex:1;min-width:0;height:40px;font-family:var(--ocp-font);font-size:14px;padding:0 12px;border:1px solid rgba(27,36,48,.55);border-radius:8px;outline:none;}
  .ocp-chat__in:focus{border-color:var(--ocp-green);box-shadow:0 0 0 3px rgba(46,158,79,.25);}
  .ocp-chat__send{width:40px;height:40px;flex:none;border:none;border-radius:8px;background:var(--ocp-green);color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;}
  .ocp-chat__send:hover{background:var(--ocp-green-2);}
  .ocp-chat__send:disabled{background:var(--ocp-hairline);cursor:default;}
  .ocp-chat__micro{font-size:10.5px;color:var(--ocp-text-label);text-align:center;padding-top:7px;}
  .ocp-chat__micro a{color:var(--ocp-text-label);text-decoration:underline;}
  /* 263: the contact note must be readable, not fine print: it carries a promise. */
  .ocp-chat__micro--contact{font-size:12px;line-height:1.35;color:var(--ocp-text-muted);text-align:left;padding-top:8px;}
  .ocp-chat__contact-error{color:#b42318;}
  .ocp-chat__hbtn[hidden]{display:none;}
  @media (max-width:750px), (pointer:coarse) and (max-width:1024px){
    .ocp-chat__win{top:var(--ocp-chat-top,0px);right:0;left:0;bottom:auto;width:100%;max-width:none;height:100vh;height:var(--ocp-chat-height,100dvh);border:0;border-radius:0;box-shadow:none;}
    .ocp-chat__head{padding:calc(8px + env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) 8px max(16px,env(safe-area-inset-left,0px));}
    .ocp-chat__hbtn{width:44px;height:44px;}
    .ocp-chat__body{min-height:0;overscroll-behavior:contain;padding-left:max(14px,env(safe-area-inset-left,0px));padding-right:max(14px,env(safe-area-inset-right,0px));}
    .ocp-chat__foot{padding:10px max(12px,env(safe-area-inset-right,0px)) max(8px,env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px));}
    .ocp-chat__in,.ocp-chat__send,.ocp-chat__attach{height:44px;}
    .ocp-chat__send,.ocp-chat__attach{width:44px;}
  }

  .ocp-chat__m{overflow-wrap:anywhere;}
  .ocp-chat__m a{color:inherit;text-decoration:underline;text-underline-offset:3px;font-weight:600;}
  .ocp-chat__m.is-new{animation:ocp-chat-reveal 180ms var(--ocp-ease);}
  .ocp-chat__typing{display:flex;align-items:center;gap:10px;align-self:flex-start;min-height:36px;font-size:12px;color:var(--ocp-ink);}
  .ocp-chat__dots{display:inline-flex;gap:4px;}
  .ocp-chat__dots i{width:5px;height:5px;border-radius:50%;background:currentColor;animation:ocp-chat-dot 1.2s ease-in-out infinite;}
  .ocp-chat__dots i:nth-child(2){animation-delay:150ms;}
  .ocp-chat__dots i:nth-child(3){animation-delay:300ms;}
  .ocp-chat__attach{width:40px;height:40px;flex:none;border:0;border-radius:8px;background:transparent;color:var(--ocp-navy);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
  .ocp-chat__attach:hover,.ocp-chat__attach[aria-expanded="true"]{background:var(--ocp-bg-soft);}
  .ocp-chat__attach:disabled{opacity:.5;cursor:wait;}
  .ocp-chat__attachments{position:absolute;left:12px;bottom:calc(100% + 8px);width:280px;max-width:calc(100% - 24px);padding:6px;background:#fff;border:1px solid var(--ocp-hairline);border-radius:12px;box-shadow:0 6px 20px rgba(22,41,77,.14);}
  .ocp-chat__attachments button{display:block;width:100%;min-height:44px;padding:10px 12px;border:0;border-radius:6px;background:none;color:var(--ocp-navy);text-align:left;font:600 14px var(--ocp-font);cursor:pointer;}
  .ocp-chat__attachments button:hover{background:var(--ocp-bg-soft);}
  .ocp-chat__document-note{font-size:11px;line-height:1.4;color:var(--ocp-ink);margin:4px 12px 8px;}
  .ocp-chat__document{max-height:260px;overflow-y:auto;padding:0 0 12px;font-size:13px;line-height:1.4;color:var(--ocp-ink);}
  .ocp-chat__document[hidden]{display:none;}
  .ocp-chat__vehicle{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;}
  .ocp-chat__vehicle label{display:flex;flex-direction:column;gap:3px;font-size:11px;min-width:0;}
  .ocp-chat__vehicle input{width:100%;min-width:0;height:36px;border:1px solid var(--ocp-hairline);border-radius:6px;padding:6px;font:14px var(--ocp-font);}
  .ocp-chat__vehicle label:first-child{grid-column:1/-1;}
  .ocp-chat__document-actions{display:flex;align-items:center;gap:10px;margin-top:12px;}
  .ocp-chat__document-actions button{min-height:40px;padding:8px 12px;border:0;border-radius:8px;background:var(--ocp-navy);color:#fff;font:600 12px var(--ocp-font);cursor:pointer;}
  .ocp-chat__document-actions .ocp-chat__document-cancel{background:transparent;color:var(--ocp-navy);}
  .ocp-chat__attach:focus-visible,.ocp-chat__attachments button:focus-visible,.ocp-chat__document button:focus-visible,.ocp-chat__document input:focus-visible{outline:2px solid var(--ocp-green);outline-offset:2px;}
  @keyframes ocp-chat-reveal{from{opacity:.5;transform:translateY(4px);}to{opacity:1;transform:translateY(0);}}
  @keyframes ocp-chat-launch-in{from{opacity:0;transform:translateY(16px) scale(.92);}to{opacity:1;transform:none;}}
  @keyframes ocp-chat-ring{0%{opacity:.45;transform:scale(1);}100%{opacity:0;transform:scale(1.4);}}
  @keyframes ocp-chat-ring-pill{0%{opacity:.45;transform:scale(1);}100%{opacity:0;transform:scale(1.12,1.4);}}
  @keyframes ocp-chat-pop{from{opacity:0;transform:scale(.6);}to{opacity:1;transform:none;}}
  @keyframes ocp-chat-fade{from{opacity:0;}to{opacity:1;}}
  @keyframes ocp-chat-dot{0%,60%,100%{opacity:.35;}30%{opacity:1;}}
  @media (max-width:750px),(pointer:coarse){.ocp-chat__in,.ocp-chat__vehicle input{font-size:16px;}}
  @media (prefers-reduced-motion:reduce){.ocp-chat__m.is-new,.ocp-chat__dots i,.ocp-chat__launch.is-ping::before,.ocp-chat__unread{animation:none;}
    .ocp-chat__launch{animation-name:ocp-chat-fade;}.ocp-chat__launch:active,.ocp-chat__teaser{transform:none;}}

  @media (max-width:750px), (pointer:coarse) and (max-width:1024px){.ocp-chat__document{max-height:min(260px,calc(var(--ocp-chat-height,100dvh) - 180px));overscroll-behavior:contain;}}

  /* v3.3: closed conversation, collapsed history and the one-time rating card. */
  .ocp-chat__closed{margin-top:2px;}
  .ocp-chat__prev{align-self:stretch;display:flex;flex-direction:column;gap:10px;}
  .ocp-chat__prev-toggle{align-self:center;min-height:32px;padding:0 14px;border:1px solid var(--ocp-hairline);border-radius:999px;background:#fff;color:var(--ocp-text-label);font:600 12px var(--ocp-font);cursor:pointer;}
  .ocp-chat__prev-toggle::before{content:"\25B8\00a0";}
  .ocp-chat__prev-toggle[aria-expanded="true"]{color:var(--ocp-navy);}
  .ocp-chat__prev-toggle[aria-expanded="true"]::before{content:"\25BE\00a0";}
  .ocp-chat__prev-toggle:hover{background:var(--ocp-bg-soft);color:var(--ocp-navy);}
  .ocp-chat__prev-body{display:flex;flex-direction:column;gap:10px;padding-bottom:6px;border-bottom:1px solid var(--ocp-hairline);opacity:.9;}
  .ocp-chat__prev-body[hidden]{display:none;}
  .ocp-chat__rate{align-self:stretch;display:flex;flex-direction:column;gap:10px;padding:14px;background:#fff;border:1px solid var(--ocp-hairline);border-radius:12px;}
  .ocp-chat__rate strong{font-size:14px;line-height:1.4;color:var(--ocp-ink);}
  .ocp-chat__stars{display:flex;gap:2px;margin-left:-6px;}
  .ocp-chat__star{width:38px;height:38px;padding:0;border:0;border-radius:8px;background:none;font-size:28px;line-height:1;color:var(--ocp-hairline);cursor:pointer;transition:color .12s var(--ocp-ease),transform .12s var(--ocp-ease);}
  .ocp-chat__star.is-on{color:#f5b301;}
  .ocp-chat__stars:hover .ocp-chat__star{color:#f5b301;}
  .ocp-chat__star:hover ~ .ocp-chat__star{color:var(--ocp-hairline);}
  @media (hover:hover) and (pointer:fine){.ocp-chat__star:hover{transform:scale(1.15);}}
  .ocp-chat__rate-comment{width:100%;min-height:56px;padding:8px 10px;border:1px solid rgba(27,36,48,.35);border-radius:8px;resize:vertical;font:14px/1.4 var(--ocp-font);color:var(--ocp-ink);}
  .ocp-chat__rate-comment:focus{outline:none;border-color:var(--ocp-green);box-shadow:0 0 0 3px rgba(46,158,79,.25);}
  .ocp-chat__rate-send{align-self:flex-start;min-height:40px;padding:0 16px;border:0;border-radius:8px;background:var(--ocp-navy);color:#fff;font:600 13px var(--ocp-font);cursor:pointer;}
  .ocp-chat__rate-send:hover{background:#1d3665;}
  .ocp-chat__rate-send:disabled{background:var(--ocp-hairline);cursor:default;}
  .ocp-chat__prev-toggle:focus-visible,.ocp-chat__star:focus-visible,.ocp-chat__rate-send:focus-visible,.ocp-chat__resume-btn:focus-visible{outline:2px solid var(--ocp-green);outline-offset:2px;}
  /* v3.4: quiet conversation found on the next visit: continue it or start a new one. */
  .ocp-chat__resume{align-self:flex-start;max-width:92%;display:flex;flex-direction:column;gap:10px;padding:12px 13px;background:#fff;border:1px solid var(--ocp-hairline);border-radius:12px;border-top-left-radius:3px;font-size:14px;line-height:1.5;color:var(--ocp-ink);}
  .ocp-chat__resume-actions{display:flex;flex-wrap:wrap;gap:8px;}
  /* v3.5: a reply that arrived while the visitor was away is the first thing they see. */
  .ocp-chat__resume-label{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ocp-green-deep);}
  .ocp-chat__resume-label::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ocp-green);box-shadow:0 0 0 3px var(--ocp-green-tint);}
  .ocp-chat__resume-reply{padding:10px 12px;border-left:3px solid var(--ocp-green);border-radius:8px;background:var(--ocp-green-tint);color:var(--ocp-ink);white-space:pre-line;overflow-wrap:anywhere;}
  .ocp-chat__resume-reply a{color:inherit;text-decoration:underline;text-underline-offset:3px;font-weight:600;}
  .ocp-chat__prev-toggle.has-new{color:var(--ocp-green-deep);border-color:var(--ocp-green);}
  .ocp-chat__prev-toggle.has-new::after{content:"";display:inline-block;width:8px;height:8px;margin-left:8px;border-radius:50%;background:var(--ocp-green);vertical-align:middle;}
  .ocp-chat__resume-btn{min-height:36px;padding:0 14px;border:1px solid var(--ocp-navy);border-radius:999px;background:#fff;color:var(--ocp-navy);font:600 13px var(--ocp-font);cursor:pointer;}
  .ocp-chat__resume-btn.is-primary{background:var(--ocp-navy);color:#fff;}
  .ocp-chat__resume-btn:hover{background:var(--ocp-bg-soft);}
  .ocp-chat__resume-btn.is-primary:hover{background:#1d3665;}
  @media (max-width:750px),(pointer:coarse){.ocp-chat__resume-btn{min-height:44px;}}
  @media (max-width:750px),(pointer:coarse){.ocp-chat__rate-comment{font-size:16px;}.ocp-chat__star{width:44px;height:44px;}}
  @media (prefers-reduced-motion:reduce){.ocp-chat__star{transition:none;}.ocp-chat__star:hover{transform:none;}}