.wfai{position:fixed;right:20px;bottom:20px;z-index:99999;font-family:Arial,sans-serif}.wfai-launch{border:0;border-radius:999px;background:var(--wfai-accent);color:#fff;padding:14px 18px;font-weight:700;box-shadow:0 10px 30px #0003;cursor:pointer}.wfai-panel{position:absolute;right:0;bottom:60px;width:min(380px,calc(100vw - 28px));height:min(560px,72vh);background:#fff;border:1px solid #ddd;border-radius:16px;box-shadow:0 18px 60px #0004;overflow:hidden}.wfai-panel header{background:var(--wfai-accent);color:#fff;padding:15px 16px;display:flex;justify-content:space-between;align-items:center}.wfai-panel header small{display:block;opacity:.8;margin-top:2px}.wfai-close{background:none;border:0;color:#fff;font-size:28px;cursor:pointer}.wfai-messages{height:calc(100% - 145px);overflow:auto;padding:14px;background:#f7f7f7}.wfai-msg{max-width:88%;padding:10px 12px;border-radius:12px;margin:0 0 10px;line-height:1.45;font-size:14px}.wfai-msg.bot{background:#fff;border:1px solid #e5e5e5}.wfai-msg.user{background:var(--wfai-accent);color:#fff;margin-left:auto}.wfai-form{display:flex;gap:8px;padding:10px;border-top:1px solid #ddd}.wfai-form input{min-width:0;flex:1;border:1px solid #bbb;border-radius:8px;padding:10px}.wfai-form button{border:0;border-radius:8px;background:var(--wfai-accent);color:#fff;padding:0 14px;font-weight:700}.wfai-panel footer{padding:0 12px 10px;font-size:11px;color:#555}.wfai-panel footer a{color:var(--wfai-accent)}@media(max-width:480px){.wfai{right:12px;bottom:12px}.wfai-panel{position:fixed;inset:12px;width:auto;height:auto}.wfai-messages{height:calc(100% - 145px)}}