.chat-launcher { position:fixed; right:24px; bottom:24px; z-index:40; display:inline-flex; align-items:center; gap:10px; border:1px solid var(--ink); background:var(--ink); color:var(--white); padding:14px 18px; font:500 14px/1.4 var(--body); cursor:pointer; box-shadow:0 3px 14px rgb(20 34 44 / 12%); }
.chat-launcher[hidden] { display:none; }
.chat-launcher .line-icon { color:inherit; }
.chat-window { position:fixed; inset:auto 24px 90px auto; margin:0; width:min(440px,calc(100vw - 40px)); max-width:none; height:min(720px,calc(100dvh - 120px)); max-height:calc(100dvh - 120px); display:flex; flex-direction:column; padding:0; border:1px solid var(--line); background:var(--white); color:var(--ink); font:15px/1.6 var(--body); overflow:clip; overscroll-behavior:contain; }
.chat-window:not([open]),.chat-window [hidden] { display:none; }
.chat-window::backdrop { background:rgb(20 34 44 / 16%); }
.chat-heading { flex-shrink:0; position:sticky; top:0; z-index:1; display:flex; justify-content:space-between; align-items:center; background:var(--ink); color:var(--white); padding:18px 20px; }
.chat-heading h2 { font:600 21px/1.4 var(--display); margin:0; }
.chat-window button,.chat-window input,.chat-window select,.chat-window textarea { font:inherit; }
.chat-window button { border:1px solid var(--line); background:var(--ink); color:var(--white); padding:10px 14px; cursor:pointer; transition:transform 200ms var(--ease); }
.chat-window button:disabled { opacity:.55; cursor:wait; }
.chat-window .chat-close { background:transparent; border:0; font-size:26px; padding:0 8px; }
.chat-window :focus-visible,.chat-launcher:focus-visible { outline:2px solid var(--orange); outline-offset:3px; }
.chat-log { padding:20px; flex:1; min-height:0; overflow-y:auto; overflow-anchor:none; }
.chat-composer { flex-shrink:0; max-height:70%; overflow-y:auto; padding-top:12px; background:var(--white); }
.chat-message { margin:0 0 20px; padding-bottom:16px; border-bottom:1px solid var(--line); overflow-wrap:anywhere; }
.chat-message strong { display:block; font-size:10px; letter-spacing:.1em; margin-bottom:8px; color:var(--teal); }
.chat-user strong { color:var(--muted); }
.chat-human { border-color:var(--teal); }
.chat-message span { white-space:pre-wrap; }
.chat-privacy,.chat-status { padding:0 20px; margin:0 0 14px; font-size:12px; }
.chat-privacy a { text-decoration:underline; text-underline-offset:3px; }
.chat-status { color:var(--teal); }
.chat-form { display:grid; grid-template-columns:1fr auto; gap:8px; padding:0 20px; }
.chat-form label { grid-column:1/-1; font-size:12px; }
.chat-form textarea { min-width:0; resize:none; border:1px solid var(--line); padding:10px; background:var(--paper); color:var(--ink); }
.chat-actions { display:flex; flex-wrap:wrap; gap:8px; padding:16px 20px 20px; }
.chat-actions button { background:transparent; color:var(--ink); font-size:12px; }
.chat-lead-panel { padding:20px; border-top:1px solid var(--line); }
.chat-contact-form { display:grid; gap:10px; }
.chat-contact-form input,.chat-contact-form select { min-width:0; padding:10px; border:1px solid var(--line); background:var(--paper); color:var(--ink); }
.chat-contact-form p,.chat-preview p { font-size:12px; color:var(--muted); }
.chat-preview pre { white-space:pre-wrap; overflow-wrap:anywhere; font:13px/1.7 var(--body); max-height:250px; overflow-y:auto; padding:12px; background:var(--paper); }
.chat-preview button { margin:8px 4px 0 0; }
@media(max-width:720px) {
 .chat-launcher { bottom:calc(16px + env(safe-area-inset-bottom,0px) + var(--chat-bottom-offset,0px)); right:16px; width:52px; height:52px; padding:0; border-radius:50%; justify-content:center; }
 .chat-launcher > span { display:none; }
 .chat-window { inset:var(--chat-viewport-top,0px) 0 auto; width:100%; height:var(--chat-viewport-height,100dvh); max-height:none; border:0; }
 .chat-heading { padding:12px 16px; }
 .chat-composer { padding-bottom:env(safe-area-inset-bottom,0px); }
 .chat-form { padding:0 16px; }
 .chat-form textarea,.chat-contact-form input,.chat-contact-form select { font-size:16px; }
 .chat-actions { padding:10px 16px 12px; gap:6px; }
 .chat-actions button { padding:8px 10px; }
 .chat-privacy,.chat-status { padding:0 16px; margin-bottom:8px; }
}
@media(prefers-reduced-motion:reduce) { .chat-window *, .chat-launcher { transition:none!important; scroll-behavior:auto!important; } }