#psa-root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;position:relative;z-index:2147482000}#psa-launch{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border:0;border-radius:50%;background:#111827;color:#fff;font-size:24px;box-shadow:0 12px 35px #0003;cursor:pointer}#psa-panel{display:none;position:fixed;right:22px;bottom:92px;width:min(390px,calc(100vw - 28px));height:min(590px,calc(100vh - 120px));background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 24px 70px #0003;overflow:hidden;grid-template-rows:auto 1fr auto auto;color:#111827}#psa-panel.open{display:grid}#psa-panel header{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;background:#111827;color:#fff}#psa-panel header div{display:grid;gap:2px}#psa-panel header small{opacity:.72;font-size:11px}#psa-close{border:0;background:transparent;color:#fff;font-size:28px;cursor:pointer}#psa-messages{padding:16px;overflow:auto;background:#f8fafc}.psa-msg{max-width:86%;padding:10px 12px;margin:0 0 10px;border-radius:14px;white-space:pre-wrap;line-height:1.42;font-size:14px}.psa-msg.assistant{background:#fff;border:1px solid #e5e7eb}.psa-msg.user{margin-left:auto;background:#111827;color:#fff}.psa-msg.wait{opacity:.55}#psa-form{display:grid;grid-template-columns:1fr 44px;gap:8px;padding:12px;border-top:1px solid #e5e7eb;background:#fff}#psa-input{border:1px solid #d1d5db;border-radius:12px;padding:11px 12px;font-size:14px;outline:none}#psa-input:focus{border-color:#111827}#psa-form button{border:0;border-radius:12px;background:#111827;color:#fff;font-size:18px;cursor:pointer}#psa-panel footer{font-size:10px;color:#6b7280;padding:0 12px 10px;text-align:center;background:#fff}@media(max-width:520px){#psa-launch{right:14px;bottom:14px}#psa-panel{right:14px;bottom:82px}}