#ls-chat-toggle{position:fixed;right:22px;bottom:22px;z-index:9998;border:0;border-radius:999px;background:#047857;color:#fff;padding:14px 18px;font:600 15px/1.2 system-ui;box-shadow:0 12px 30px rgba(15,23,42,.28);cursor:pointer}#ls-chat{position:fixed;right:22px;bottom:84px;width:min(390px,calc(100vw - 28px));height:min(560px,calc(100vh - 120px));z-index:9999;background:#fff;border:1px solid #dbe3ea;border-radius:22px;box-shadow:0 24px 60px rgba(15,23,42,.28);display:none;overflow:hidden;font-family:system-ui;color:#0f172a}#ls-chat.open{display:flex;flex-direction:column}.ls-head{background:#07131d;color:#fff;padding:16px;display:flex;justify-content:space-between;align-items:center}.ls-head strong{font-size:17px}.ls-close{background:transparent;border:0;color:#fff;font-size:24px;cursor:pointer}.ls-messages{flex:1;overflow:auto;padding:16px;background:#f8fafc}.ls-msg{max-width:88%;margin:0 0 12px;padding:11px 13px;border-radius:15px;white-space:pre-wrap;line-height:1.4}.ls-bot{background:#fff;border:1px solid #e2e8f0}.ls-user{background:#047857;color:#fff;margin-left:auto}.ls-form{display:flex;gap:8px;padding:12px;border-top:1px solid #e2e8f0;background:#fff}.ls-form textarea{flex:1;resize:none;border:1px solid #cbd5e1;border-radius:12px;padding:10px;font:14px system-ui;min-height:44px;max-height:96px}.ls-send{border:0;border-radius:12px;background:#047857;color:#fff;padding:0 15px;font-weight:700;cursor:pointer}.ls-note{font-size:11px;color:#64748b;padding:0 14px 10px;background:#fff}@media(max-width:560px){#ls-chat-toggle{right:14px;bottom:14px}#ls-chat{right:14px;bottom:72px}}