.koja-ai-ba{position:fixed;z-index:99999;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.koja-ai-ba--bottom-right{right:18px;bottom:18px}
.koja-ai-ba--bottom-left{left:18px;bottom:18px}

.koja-ai-ba__fab{width:56px;height:56px;border-radius:999px;border:0;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.18);background:#111;color:#fff;display:flex;align-items:center;justify-content:center}
.koja-ai-ba__fabIcon{font-size:22px;line-height:1}

.koja-ai-ba__modal{position:fixed;inset:0;background:rgba(0,0,0,.28);display:none;align-items:flex-end;justify-content:flex-end;padding:18px}
.koja-ai-ba--bottom-left .koja-ai-ba__modal{justify-content:flex-start}
.koja-ai-ba__modal.is-open{display:flex}
.koja-ai-ba__modal.is-inline{position:static;inset:auto;background:transparent;display:flex;padding:0;align-items:stretch;justify-content:stretch}

.koja-ai-ba__panel{width:min(420px, 92vw);height:min(620px, 78vh);background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden}
.koja-ai-ba__modal.is-inline .koja-ai-ba__panel{width:100%;height:560px}

.koja-ai-ba__header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #eee}
.koja-ai-ba__title{font-weight:700;font-size:14px}
.koja-ai-ba__close{border:0;background:transparent;cursor:pointer;font-size:16px;line-height:1}

.koja-ai-ba__messages{padding:14px;flex:1;overflow:auto;background:#fafafa}
.koja-ai-ba__bubble{max-width:90%;padding:10px 12px;border-radius:14px;margin:8px 0;font-size:14px;line-height:1.35;word-wrap:break-word}
.koja-ai-ba__bubble--user{margin-left:auto;background:#111;color:#fff;border-bottom-right-radius:4px}
.koja-ai-ba__bubble--assistant{margin-right:auto;background:#fff;border:1px solid #eee;color:#111;border-bottom-left-radius:4px}
.koja-ai-ba__bubble a{color:inherit;text-decoration:underline}

.koja-ai-ba__form{display:flex;gap:8px;padding:12px;border-top:1px solid #eee;background:#fff}
.koja-ai-ba__input{flex:1;border:1px solid #ddd;border-radius:12px;padding:10px 12px;font-size:14px}
.koja-ai-ba__send{border:0;border-radius:12px;padding:10px 12px;background:#111;color:#fff;cursor:pointer}
.koja-ai-ba__send:disabled{opacity:.6;cursor:not-allowed}