.ns-nia-chat{font-family:Arial,sans-serif;position:relative;z-index:999999}.ns-nia-chat[data-floating="1"]{position:fixed;right:22px;bottom:24px}.ns-nia-toggle{background:#d90000;color:#fff;border:none;border-radius:999px;min-width:62px;height:62px;padding:0 16px;font-size:16px;font-weight:800;letter-spacing:.2px;cursor:pointer;box-shadow:0 10px 24px rgba(0,0,0,.22);transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.ns-nia-toggle:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.26);background:#c40000}.ns-nia-chat.is-open .ns-nia-toggle{background:#111}.ns-nia-panel{width:360px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 110px);background:#fff;border:1px solid #e6e6e6;border-radius:18px;box-shadow:0 18px 45px rgba(0,0,0,.22);overflow:hidden;margin-top:10px}.ns-nia-chat[data-floating="1"] .ns-nia-panel{position:absolute;right:0;bottom:74px;margin-top:0}.ns-nia-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#111;color:#fff}.ns-nia-close{background:transparent;border:none;color:#fff;font-size:24px;cursor:pointer;line-height:1}.ns-nia-messages{height:calc(100% - 116px);overflow:auto;padding:14px;background:#f7f7f7}.ns-nia-msg{max-width:85%;padding:10px 12px;border-radius:14px;margin-bottom:10px;white-space:pre-wrap;line-height:1.35;font-size:14px}.ns-nia-msg a{color:inherit;text-decoration:underline}.ns-nia-user{background:#111;color:#fff;margin-left:auto}.ns-nia-nia{background:#fff;color:#222;border:1px solid #ececec}.ns-nia-form{display:flex;gap:8px;padding:12px;border-top:1px solid #eee;background:#fff}.ns-nia-input{flex:1;min-width:0;padding:10px 12px;border:1px solid #ddd;border-radius:10px;font-size:14px}.ns-nia-send{background:#d90000;color:#fff;border:none;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}@media (max-width:480px){.ns-nia-chat[data-floating="1"]{right:14px;bottom:14px}.ns-nia-toggle{min-width:58px;height:58px;font-size:15px}.ns-nia-chat[data-floating="1"] .ns-nia-panel{right:-2px;bottom:68px;width:calc(100vw - 28px);height:70vh;max-height:560px}.ns-nia-send{padding:10px 12px}}