#opa-root{--opa-paper:#F8F5F1;--opa-ink:#171514;--opa-muted:#5F5954;--opa-red:#CC292B;--opa-line:#E5DED7;--opa-white:#fff;position:fixed;right:24px;bottom:24px;z-index:999999;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--opa-ink);font-size:14px;line-height:1.45}
#opa-root *{box-sizing:border-box}
.opa-launcher{display:flex;align-items:center;gap:10px;border:0;border-radius:999px;padding:14px 20px;background:var(--opa-ink);color:#fff;box-shadow:0 10px 32px #1715142b;font-weight:600;cursor:pointer;transition:transform .2s,background .2s}
.opa-launcher:hover{background:var(--opa-red);transform:translateY(-2px)}.opa-launch-icon{font-size:20px;color:#e9c8a4}
.opa-panel{position:absolute;right:0;bottom:72px;width:390px;max-width:calc(100vw - 32px);height:min(640px,calc(100vh - 120px));min-height:420px;background:var(--opa-paper);border:1px solid var(--opa-line);border-radius:18px;box-shadow:0 24px 80px #1715142e;overflow:hidden;display:none;flex-direction:column}
.opa-panel.opa-open{display:flex;animation:opa-in .22s ease-out}@keyframes opa-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.opa-header{display:flex;align-items:center;gap:12px;padding:17px 18px;background:var(--opa-ink);color:#fff;border-bottom:3px solid var(--opa-red)}
.opa-brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--opa-red);color:white;font-family:Georgia,serif;font-size:21px;font-weight:bold}
.opa-heading{display:flex;flex:1;min-width:0;flex-direction:column}.opa-heading strong{font-family:Georgia,"Times New Roman",serif;font-size:16px;font-weight:600}.opa-heading small{margin-top:3px;color:#c7bdb6;font-size:9px;letter-spacing:1.2px}
.opa-close{border:0;background:transparent;color:white;font-size:27px;line-height:1;cursor:pointer;padding:2px 5px}
.opa-messages{padding:18px 14px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.opa-message{max-width:88%;padding:11px 13px;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere}.opa-message.opa-bot{align-self:flex-start;background:#fff;border:1px solid var(--opa-line);border-top-left-radius:3px;color:var(--opa-ink)}.opa-message.opa-user{align-self:flex-end;background:var(--opa-red);color:#fff;border-top-right-radius:3px}
.opa-typing{font-size:12px;color:var(--opa-muted);padding:0 16px 8px}
.opa-quick{display:flex;gap:7px;overflow:auto;padding:0 14px 12px;scrollbar-width:thin}.opa-quick button{flex:0 0 auto;border:1px solid #d8c9bd;border-radius:999px;padding:7px 10px;background:transparent;color:var(--opa-ink);font-size:11px;cursor:pointer}.opa-quick button:hover{border-color:var(--opa-red);color:var(--opa-red)}
.opa-form{display:flex;align-items:flex-end;gap:9px;padding:12px;border-top:1px solid var(--opa-line);background:#fff}.opa-form textarea{flex:1;resize:none;max-height:100px;min-height:42px;border:1px solid var(--opa-line);border-radius:10px;padding:11px 12px;font:inherit;color:var(--opa-ink);outline:none;background:#fff}.opa-form textarea:focus{border-color:var(--opa-red);box-shadow:0 0 0 2px #cc292b18}.opa-form button{width:42px;height:42px;border:0;border-radius:10px;background:var(--opa-red);color:#fff;font-size:22px;cursor:pointer}.opa-form button:disabled{opacity:.5;cursor:wait}
.opa-footnote{text-align:center;padding:7px 8px 10px;color:#82776f;font-size:10px;background:#fff}.opa-lead-form{display:flex;flex-direction:column;gap:8px}.opa-lead-form input,.opa-lead-form select,.opa-lead-form textarea{width:100%;border:1px solid var(--opa-line);border-radius:8px;padding:9px;font:inherit;background:white;color:var(--opa-ink)}.opa-lead-form button{border:0;background:var(--opa-red);color:white;padding:10px;border-radius:8px;cursor:pointer}
@media(max-width:520px){#opa-root{right:12px;bottom:12px}.opa-panel{position:fixed;inset:8px;width:auto;max-width:none;height:auto;min-height:0;bottom:8px;border-radius:15px}.opa-launcher{padding:12px 16px}.opa-header{padding:14px}.opa-messages{padding:14px 11px}}