.visually-hidden{
    position:absolute !important;
    width:1px;height:1px;
    padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);
    white-space:nowrap;border:0;
}

.public-ai-launcher[hidden],
.public-ai-panel[hidden]{
    display:none !important;
}

.public-ai{
    position:fixed;
    right:18px;
    bottom:calc(var(--nav-height, 76px) + 14px);
    z-index:1100;
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:10px;
    font-family:inherit;
    color:var(--text, #172033);
    pointer-events:none;
}

.public-ai > *{
    pointer-events:auto;
}

.public-ai-launcher{
    display:inline-flex;
    align-items:center;
    gap:10px;
    border:0;
    border-radius:999px;
    padding:12px 18px;
    background:var(--primary, #5161ce);
    color:#fff;
    font-weight:700;
    font-size:15px;
    box-shadow:var(--shadow, 0 18px 45px rgba(23,32,51,.16));
    cursor:pointer;
}

.public-ai-launcher i{font-size:16px;}

.public-ai-launcher:hover,
.public-ai-launcher:focus-visible{
    background:var(--primary-dark, #3948aa);
    outline:none;
}

.public-ai-panel{
    width:min(400px, calc(100vw - 24px));
    height:min(520px, calc(100vh - var(--nav-height, 76px) - 36px));
    display:flex;
    flex-direction:column;
    background:var(--surface, #fff);
    border:1px solid var(--panel-border, rgba(23,32,51,.08));
    border-radius:20px;
    box-shadow:var(--shadow, 0 18px 45px rgba(23,32,51,.16));
    overflow:hidden;
}

.public-ai-head{
    display:flex;
    justify-content:space-between;
    gap:12px;
    padding:14px 16px 12px;
    border-bottom:1px solid var(--panel-border, rgba(23,32,51,.08));
}

.public-ai-head strong{display:block;font-size:1.05rem;}
.public-ai-head p{
    margin:4px 0 0;
    font-size:.8rem;
    color:var(--muted, #65718a);
    line-height:1.35;
}

.public-ai-close{
    width:36px;height:36px;
    border:0;border-radius:50%;
    background:transparent;
    color:var(--muted, #65718a);
    cursor:pointer;
    flex:0 0 auto;
}

.public-ai-log{
    flex:1;
    overflow:auto;
    padding:14px 14px 8px;
    display:flex;
    flex-direction:column;
    gap:10px;
}

.public-ai-bubble{
    max-width:92%;
    padding:10px 12px;
    border-radius:14px;
    white-space:pre-wrap;
    line-height:1.45;
    font-size:.92rem;
}

.public-ai-bubble.is-user{
    align-self:flex-end;
    background:var(--primary, #5161ce);
    color:#fff;
}

.public-ai-bubble.is-ai{
    align-self:flex-start;
    background:rgba(81,97,206,.08);
}

[data-theme="dark"] .public-ai-bubble.is-ai{
    background:rgba(255,255,255,.06);
}

.public-ai-rate{
    display:flex;
    gap:8px;
    margin-top:8px;
}

.public-ai-rate button{
    border:1px solid var(--panel-border, rgba(23,32,51,.12));
    background:transparent;
    color:var(--muted, #65718a);
    border-radius:999px;
    padding:3px 10px;
    font-size:.75rem;
    cursor:pointer;
}

.public-ai-rate button.is-on{
    border-color:var(--primary, #5161ce);
    color:var(--primary, #5161ce);
}

.public-ai-form{
    display:flex;
    gap:8px;
    padding:10px 12px 12px;
    border-top:1px solid var(--panel-border, rgba(23,32,51,.08));
}

.public-ai-form textarea{
    flex:1;
    resize:none;
    border:1px solid var(--panel-border, rgba(23,32,51,.12));
    border-radius:12px;
    padding:10px 12px;
    background:var(--page-bg, #f7f8fd);
    color:inherit;
    font:inherit;
}

.public-ai-form button{
    border:0;
    border-radius:12px;
    padding:0 16px;
    background:var(--primary, #5161ce);
    color:#fff;
    font-weight:700;
    cursor:pointer;
}

.public-ai-form button:disabled{opacity:.6;cursor:wait;}

.home-ai-cta{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:18px;
    border:0;
    border-radius:999px;
    padding:12px 20px;
    background:var(--primary, #5161ce);
    color:#fff;
    font-weight:700;
    font-size:15px;
    cursor:pointer;
    box-shadow:var(--shadow, 0 18px 45px rgba(23,32,51,.16));
}

.home-ai-cta:hover,
.home-ai-cta:focus-visible{
    background:var(--primary-dark, #3948aa);
    outline:none;
}

@media (max-width: 640px){
    .public-ai{
        position:fixed;
        right:10px;
        left:10px;
        bottom:calc(var(--nav-height, 76px) + 8px);
        align-items:stretch;
    }
    .public-ai-launcher{width:100%;justify-content:center;}
    .public-ai-panel{
        width:100%;
        height:min(70vh, calc(100vh - var(--nav-height, 76px) - 24px));
    }
}