#bca-root{--bca-accent:#005baa;font-family:Arial,sans-serif;position:fixed;right:22px;bottom:22px;z-index:999999}.bca-launch{width:58px;height:58px;border-radius:50%;border:0;background:var(--bca-accent);color:#fff;font-size:25px;box-shadow:0 5px 20px #0004;cursor:pointer}.bca-panel{position:absolute;right:0;bottom:70px;width:min(370px,calc(100vw - 28px));height:min(590px,calc(100vh - 110px));background:#fff;border-radius:15px;box-shadow:0 12px 35px #0005;overflow:hidden;border:1px solid #ddd;display:flex;flex-direction:column}.bca-panel[hidden]{display:none}.bca-panel header{background:var(--bca-accent);color:#fff;padding:15px 16px;display:flex;justify-content:space-between;align-items:center}.bca-close{background:transparent;border:0;color:#fff;font-size:28px;line-height:1;cursor:pointer}.bca-messages{padding:14px;overflow:auto;flex:1;background:#f5f7fa}.bca-msg{max-width:86%;margin:0 0 12px;padding:10px 12px;border-radius:12px;line-height:1.4;font-size:14px}.bca-msg.bot{background:#fff;border:1px solid #dfe4ea}.bca-msg.user{margin-left:auto;background:var(--bca-accent);color:#fff}.bca-suggestions{padding:8px 10px;display:flex;gap:6px;overflow:auto;border-top:1px solid #eee}.bca-suggestions button{white-space:nowrap;border:1px solid var(--bca-accent);background:#fff;color:var(--bca-accent);border-radius:16px;padding:6px 9px;cursor:pointer}.bca-form{display:flex;border-top:1px solid #ddd;padding:9px;gap:7px}.bca-form input{flex:1;min-width:0;padding:10px;border:1px solid #bbb;border-radius:8px}.bca-form button{border:0;border-radius:8px;background:var(--bca-accent);color:#fff;padding:0 14px;cursor:pointer}.bca-panel>small{padding:0 10px 10px;color:#666;font-size:10px}.bca-sources{margin:8px 0 0;padding-left:18px;font-size:12px}.bca-sources a{color:var(--bca-accent)}@media(max-width:480px){#bca-root{right:14px;bottom:14px}.bca-panel{position:fixed;inset:12px;width:auto;height:auto;bottom:82px}}