.rai-shell{--ink:#262522;--muted:#6f6c65;--line:#dedbd3;--soft:#f6f4ef;max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden;color:var(--ink);box-shadow:0 12px 35px rgba(35,33,29,.05)}
.rai-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 26px;border-bottom:1px solid var(--line);background:var(--soft)}.rai-head h3{margin:4px 0 0;font-size:24px}.rai-eyebrow{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--muted)}.rai-status{font-size:12px;color:var(--muted);white-space:nowrap}.rai-status i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4f8a55;margin-right:6px}
.rai-messages{height:390px;overflow:auto;padding:24px;display:flex;flex-direction:column;gap:12px}.rai-msg{max-width:82%;padding:13px 16px;border-radius:16px;line-height:1.55;font-size:15px}.rai-assistant{align-self:flex-start;background:var(--soft)}.rai-user{align-self:flex-end;background:var(--ink);color:#fff}.rai-msg a{color:inherit;text-decoration:underline}.rai-loading{opacity:.65}
.rai-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 24px 14px}.rai-quick button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:12px;cursor:pointer;color:var(--ink)}.rai-form{display:grid;grid-template-columns:1fr auto;gap:10px;padding:16px 24px;border-top:1px solid var(--line)}.rai-form textarea{resize:none;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font:inherit;min-height:50px}.rai-form button{border:0;border-radius:999px;padding:0 20px;background:var(--ink);color:#fff;font-weight:700;cursor:pointer}.rai-form button:disabled{opacity:.5}.rai-foot{padding:0 24px 18px;font-size:11px;line-height:1.5;color:var(--muted)}
@media(max-width:600px){.rai-head{padding:20px}.rai-messages{height:360px;padding:18px}.rai-msg{max-width:92%}.rai-quick{padding:0 18px 12px}.rai-form{grid-template-columns:1fr;padding:14px 18px}.rai-form button{min-height:46px}.rai-foot{padding:0 18px 16px}}

.rai-inline-link{display:inline-block;margin-top:8px;font-weight:700;color:#262522!important;text-decoration:underline!important;text-underline-offset:3px}.rai-inline-link:hover{opacity:.72}


/* Floating assistant button */
.rai-float{position:fixed;right:24px;bottom:24px;z-index:9998;display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 20px 0 15px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:#292824;color:#fff!important;text-decoration:none!important;font-size:14px;font-weight:700;line-height:1;box-shadow:0 10px 30px rgba(35,33,29,.22);transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}
.rai-float:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(35,33,29,.28);color:#fff!important}
.rai-float:focus-visible{outline:3px solid rgba(41,40,36,.25);outline-offset:3px}
.rai-float-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#fff;color:#292824;font-size:14px;line-height:1}
@media(max-width:600px){.rai-float{right:16px;bottom:16px;min-height:48px;padding:0 16px 0 12px;font-size:13px}.rai-float-icon{width:26px;height:26px}}