#north-ai-widget{position:fixed;right:20px;bottom:20px;z-index:999999;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.north-ai-launcher{width:58px;height:58px;border:0;border-radius:50%;cursor:pointer;font-size:25px;background:#111;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.22)}
.north-ai-launcher.is-hidden{display:none}
.north-ai-panel{display:none;flex-direction:column;width:360px;height:520px;background:#fff;border:1px solid #e5e7eb;border-radius:18px;overflow:hidden;box-shadow:0 18px 60px rgba(0,0,0,.20)}
.north-ai-panel.is-open{display:flex}
.north-ai-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:#111;color:#fff}
.north-ai-header strong{display:block;font-size:16px}
.north-ai-header span{display:block;margin-top:2px;font-size:11px;opacity:.7}
.north-ai-close{background:transparent;border:0;color:#fff;font-size:25px;cursor:pointer}
.north-ai-messages{flex:1;overflow:auto;padding:16px;background:#f7f7f8}
.north-ai-msg{max-width:84%;padding:10px 12px;margin:0 0 10px;border-radius:14px;font-size:14px;line-height:1.45;word-wrap:break-word}
.north-ai-msg.ai{background:#fff;border:1px solid #e7e7e7;margin-right:auto}
.north-ai-msg.user{background:#111;color:#fff;margin-left:auto}
.north-ai-status{min-height:18px;padding:0 14px;font-size:11px;color:#777}
.north-ai-form{display:flex;align-items:center;gap:7px;padding:10px;border-top:1px solid #e8e8e8;background:#fff}
.north-ai-input{min-width:0;flex:1;border:1px solid #ddd;border-radius:22px;padding:10px 13px;outline:none;font-size:14px}
.north-ai-input:focus{border-color:#999}
.north-ai-send,.north-ai-mic{width:38px;height:38px;border:0;border-radius:50%;cursor:pointer}
.north-ai-send{background:#111;color:#fff;font-size:16px}
.north-ai-mic{background:#f0f0f0}
.north-ai-mic.is-listening{background:#111;color:#fff}
.north-ai-form.is-busy{opacity:.75}
.north-ai-note{text-align:center;padding:0 10px 10px;font-size:9px;color:#999;background:#fff}
@media(max-width:480px){
  #north-ai-widget{right:12px;bottom:12px}
  .north-ai-panel{width:calc(100vw - 24px);height:min(600px,78vh)}
}