.chat-fab,.chat-panel{--chat-bg:#ffffff;--chat-fg:#111111;--chat-muted:#595959;--chat-border:#d9d9d9;--chat-bubble:#f0f0f0;--chat-user-bg:#111111;--chat-user-fg:#ffffff;--chat-accent:#5d2de2;--chat-on-accent:#eceaf1;--chat-focus:2px solid #111111;--chat-shadow:0 12px 40px rgba(0,0,0,0.18);--chat-radius:16px;--chat-z:50;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;color:var(--chat-fg);box-sizing:border-box}.chat-panel *,.chat-panel :after,.chat-panel :before{box-sizing:inherit}.chat-panel button,.chat-panel input{font:inherit;color:inherit;background:none;border:0;cursor:pointer}.chat-fab:focus-visible,.chat-panel :focus-visible{outline:var(--chat-focus);outline-offset:2px}.chat-fab:focus-visible{outline-color:var(--chat-accent)}.chat-fab{position:fixed;right:16px;bottom:24px;z-index:var(--chat-z);width:56px;height:56px;display:grid;place-items:center;border:0;border-radius:999px;background:var(--chat-accent);color:var(--chat-on-accent);box-shadow:var(--chat-shadow);cursor:pointer;transition:transform .15s ease}.chat-fab:hover{transform:scale(1.05)}.chat-panel{position:fixed;right:16px;bottom:96px;z-index:var(--chat-z);width:min(24rem,calc(100vw - 32px));height:min(32rem,calc(100dvh - 128px));display:flex;flex-direction:column;overflow:hidden;background:var(--chat-bg);border:1px solid var(--chat-border);border-radius:var(--chat-radius);box-shadow:var(--chat-shadow);animation:chat-in .18s ease-out}@keyframes chat-in{0%{opacity:0;transform:translateY(8px)}}.chat-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;border-bottom:1px solid var(--chat-border)}.chat-head strong{display:block;font-weight:600}.chat-head small{display:block;font-size:12px;color:var(--chat-muted)}.chat-head button{padding:4px;border-radius:6px;color:var(--chat-muted);display:grid;place-items:center}.chat-head button:hover{background:var(--chat-bubble);color:var(--chat-fg)}.chat-log{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-bubble{max-width:85%;padding:8px 14px;border-radius:var(--chat-radius);white-space:pre-wrap;overflow-wrap:anywhere}.chat-bubble[data-role=assistant]{align-self:flex-start;background:var(--chat-bubble);border-bottom-left-radius:6px}.chat-bubble[data-role=user]{align-self:flex-end;background:var(--chat-user-bg);color:var(--chat-user-fg);border-bottom-right-radius:6px}.chat-bubble a{color:inherit;text-decoration:underline}.chat-typing{display:inline-flex;gap:4px;padding:4px 0}.chat-typing span{width:6px;height:6px;border-radius:999px;background:var(--chat-muted);animation:chat-bounce 1s infinite}.chat-typing span:nth-child(2){animation-delay:.15s}.chat-typing span:nth-child(3){animation-delay:.3s}@keyframes chat-bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-4px)}}.chat-chips{display:flex;flex-wrap:wrap;gap:8px}.chat-chips button{padding:6px 12px;border:1px solid var(--chat-border);border-radius:999px;font-size:12px;color:var(--chat-fg)}.chat-chips button:hover{border-color:var(--chat-fg)}.chat-form{padding:12px;border-top:1px solid var(--chat-border)}.chat-form form{display:flex;align-items:center;gap:8px}.chat-form input{flex:1 1;min-width:0;padding:8px 12px;border-radius:8px;background:var(--chat-bubble);cursor:text}.chat-form input::placeholder{color:var(--chat-muted)}.chat-form button[type=submit]{padding:8px 12px;border-radius:8px;background:var(--chat-user-bg);color:var(--chat-user-fg);display:grid;place-items:center}.chat-form button[type=submit]:disabled{opacity:.3;cursor:default}.chat-form p{margin:8px 0 0;text-align:center;font-size:11px;color:var(--chat-muted);max-width:none}.chat-form p a{color:inherit;text-decoration:underline;text-underline-offset:2px}.chat-form p a:hover{color:var(--chat-fg)}@media (prefers-reduced-motion:reduce){.chat-fab,.chat-panel,.chat-typing span{animation:none;transition:none}.chat-fab:hover{transform:none}}