#nsai-root{
  --nsai-accent:#111827;
  --nsai-bg:#ffffff;
  --nsai-soft:#f6f7f9;
  --nsai-border:#e5e7eb;
  --nsai-text:#111827;
  --nsai-muted:#6b7280;
  font-family:Arial,"Helvetica Neue",sans-serif;
  position:relative;
  z-index:2147483646
}
#nsai-root *{box-sizing:border-box}

#nsai-launch{
  position:fixed;right:22px;bottom:22px;z-index:2147483646;
  display:flex;align-items:center;gap:8px;
  border:0;border-radius:999px;background:var(--nsai-accent);color:#fff;
  padding:14px 19px;font-size:17px;font-weight:700;cursor:pointer;
  box-shadow:0 12px 34px rgba(0,0,0,.22)
}
#nsai-launch:hover{filter:brightness(1.06)}
.nsai-launch-icon{font-size:18px}

#nsai-panel{
  position:fixed;right:22px;bottom:84px;z-index:2147483647;
  width:min(480px,calc(100vw - 24px));
  height:min(760px,calc(100dvh - 110px));
  background:var(--nsai-bg);
  border:1px solid rgba(17,24,39,.12);
  border-radius:22px;
  box-shadow:0 24px 80px rgba(0,0,0,.28);
  overflow:hidden;
  display:flex;flex-direction:column;
  color:var(--nsai-text);
  isolation:isolate
}
#nsai-panel[hidden]{display:none}

.nsai-header{
  flex:0 0 auto;
  min-height:70px;
  padding:11px 14px;
  background:var(--nsai-accent);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px
}
.nsai-brand{display:flex;align-items:center;gap:10px;min-width:0}
.nsai-brand strong{display:block;font-size:18px;line-height:1.2}
.nsai-brand small{display:block;opacity:.78;margin-top:3px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nsai-avatar,.nsai-msg-avatar{
  display:grid;place-items:center;flex:0 0 auto;
  border-radius:50%;font-weight:700
}
.nsai-avatar{width:39px;height:39px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2)}
.nsai-header-actions{display:flex;align-items:center;gap:2px}
#nsai-close,#nsai-reset,#nsai-lead-close{
  border:0;background:transparent;cursor:pointer
}
#nsai-close,#nsai-reset{color:#fff;width:38px;height:38px;border-radius:10px;font-size:25px}
#nsai-reset{font-size:21px}
#nsai-close:hover,#nsai-reset:hover{background:rgba(255,255,255,.12)}

#nsai-msgs{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  padding:16px 15px 14px;
  background:#fff;
  scroll-padding-top:12px;
  scrollbar-width:thin
}
.nsai-row{display:flex;width:100%;margin:0 0 16px}
.nsai-row-user{justify-content:flex-start}
.nsai-row-ai{align-items:flex-start;gap:8px}
.nsai-msg-avatar{
  width:29px;height:29px;margin-top:1px;
  background:var(--nsai-accent);color:#fff;font-size:12px
}
.nsai-m{font-size:16px;line-height:1.56;overflow-wrap:anywhere}
.nsai-user{
  max-width:82%;
  background:var(--nsai-accent);color:#fff;
  padding:10px 13px;border-radius:16px 16px 5px 16px
}
.nsai-ai{
  flex:1;min-width:0;
  max-width:calc(100% - 37px);
  padding:0 0 0 2px;
  background:transparent;border:0
}
.nsai-msg-label{font-size:12px;color:var(--nsai-muted);font-weight:700;margin:0 0 4px}
.nsai-answer p{margin:0 0 9px}
.nsai-answer p:last-child{margin-bottom:0}
.nsai-answer strong{font-weight:700;color:#0f172a}
.nsai-answer-list{margin:4px 0 11px;padding-inline-start:22px}
.nsai-answer-list li{margin:4px 0}

.nsai-thinking-row{margin-bottom:14px}
.nsai-thinking{display:flex;align-items:center;gap:4px;color:var(--nsai-muted);font-size:13px;padding-top:5px}
.nsai-thinking span{width:6px;height:6px;border-radius:50%;background:currentColor;animation:nsaiPulse 1.1s infinite ease-in-out}
.nsai-thinking span:nth-child(2){animation-delay:.12s}.nsai-thinking span:nth-child(3){animation-delay:.24s}
.nsai-thinking em{font-style:normal;margin-right:5px}
@keyframes nsaiPulse{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}

.nsai-sources{margin-top:11px;border-top:1px solid var(--nsai-border);padding-top:8px}
.nsai-sources summary{cursor:pointer;color:var(--nsai-muted);font-size:12px}
.nsai-source-list{display:flex;flex-direction:column;gap:5px;margin-top:8px}
.nsai-source-list a,.nsai-source-list span{
  color:#334155;font-size:12px;text-decoration:none;
  padding:7px 9px;background:var(--nsai-soft);border-radius:9px
}
.nsai-source-list a:hover{text-decoration:underline}
.nsai-lead-cta{
  margin-top:11px;
  border:1px solid var(--nsai-accent);background:#fff;color:var(--nsai-accent);
  border-radius:10px;padding:9px 11px;font-weight:700;cursor:pointer
}

/* Quick questions now live INSIDE the message area, directly below the greeting. */
.nsai-suggestions{
  width:100%;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
  padding:0 0 4px;
  margin:-2px 0 12px;
  background:#fff
}
.nsai-suggestions[hidden]{display:none}
.nsai-suggestions-title{
  grid-column:1/-1;
  color:var(--nsai-muted);
  font-size:12px;
  font-weight:700;
  margin-bottom:1px
}
.nsai-suggestions button{
  min-width:0;width:100%;
  border:1px solid var(--nsai-border);background:#fff;color:#243041;
  border-radius:12px;padding:10px 8px;font-size:13px;font-weight:700;
  line-height:1.25;cursor:pointer;text-align:center;
  white-space:normal
}
.nsai-suggestions button:last-child:nth-child(odd){grid-column:1/-1}
.nsai-suggestions button:hover{border-color:#9ca3af;background:var(--nsai-soft)}

.nsai-contact-row{
  flex:0 0 auto;text-align:center;
  padding:3px 10px 4px;background:#fff
}
#nsai-human{
  border:0;background:transparent;color:var(--nsai-muted);
  padding:4px 8px;font-size:12px;text-decoration:underline;cursor:pointer
}
#nsai-human:hover{color:var(--nsai-text)}

.nsai-composer{
  flex:0 0 auto;
  display:flex;align-items:flex-end;gap:8px;
  padding:8px 10px 7px;
  border-top:1px solid var(--nsai-border);
  background:#fff
}
#nsai-input{
  flex:1;min-width:0;max-height:96px;resize:none;
  border:1px solid #cfd4dc;background:#fff;color:var(--nsai-text);
  border-radius:15px;padding:10px 12px;
  font:inherit;font-size:16px;line-height:1.35;
  outline:none
}
#nsai-input:focus{border-color:var(--nsai-accent);box-shadow:0 0 0 2px rgba(17,24,39,.08)}
#nsai-send{
  flex:0 0 auto;height:42px;
  border:0;border-radius:12px;
  background:var(--nsai-accent);color:#fff;
  padding:0 15px;font-weight:700;cursor:pointer
}
#nsai-send:disabled{opacity:.55;cursor:default}
.nsai-note{
  flex:0 0 auto;
  margin:0;padding:0 10px 8px;text-align:center;
  color:#8a9099;font-size:10px;line-height:1.25;background:#fff
}

#nsai-lead-overlay{
  position:absolute;inset:0;z-index:30;
  display:flex;align-items:flex-end;justify-content:center
}
#nsai-lead-overlay[hidden]{display:none}
.nsai-lead-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.38)}
.nsai-lead-sheet{
  position:relative;z-index:1;width:100%;
  max-height:88%;
  overflow:auto;
  background:#fff;border-radius:20px 20px 0 0;
  padding:18px 18px calc(20px + env(safe-area-inset-bottom));
  box-shadow:0 -12px 36px rgba(0,0,0,.16)
}
.nsai-lead-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.nsai-lead-head strong{display:block;font-size:19px}
.nsai-lead-head small{display:block;color:var(--nsai-muted);margin-top:4px;line-height:1.4}
#nsai-lead-close{font-size:28px;color:#475569;width:34px;height:34px}
.nsai-lead-sheet label{display:block;font-size:12px;font-weight:700;color:#475569;margin-top:9px}
.nsai-lead-sheet label span{font-weight:400;color:#94a3b8}
.nsai-lead-sheet input{
  display:block;width:100%;margin-top:5px;
  border:1px solid #cfd4dc;border-radius:11px;padding:11px 12px;
  font:inherit;font-size:16px
}
#nsai-lsend{
  width:100%;margin-top:14px;
  border:0;border-radius:11px;padding:12px 14px;
  background:var(--nsai-accent);color:#fff;font-weight:700;cursor:pointer
}
.nsai-lead-sheet>p{margin:9px 0 0;color:#8a9099;text-align:center;font-size:10.5px}

/*
 * Mobile-first fullscreen mode.
 * !important is intentional here: many WordPress themes inject late CSS rules
 * on fixed widgets. The chat must own the viewport on phones.
 */
@media(max-width:820px), (hover:none) and (pointer:coarse){
  html.nsai-chat-open,body.nsai-chat-open{overflow:hidden!important;overscroll-behavior:none!important}
  #nsai-root #nsai-panel{
    position:fixed!important;
    top:var(--nsai-mobile-top,0px)!important;
    right:0!important;
    bottom:auto!important;
    left:0!important;
    width:100vw!important;
    max-width:none!important;
    height:var(--nsai-mobile-height,100dvh)!important;
    max-height:none!important;
    min-height:0!important;
    margin:0!important;
    border:0!important;
    border-radius:0!important;
    box-shadow:none!important
  }
  #nsai-root #nsai-launch{right:12px;bottom:calc(12px + env(safe-area-inset-bottom))}
  .nsai-header{
    min-height:58px;
    padding:7px 9px 7px max(9px,env(safe-area-inset-left));
    padding-right:max(9px,env(safe-area-inset-right))
  }
  .nsai-avatar{width:34px;height:34px;font-size:14px}
  .nsai-brand{gap:8px}
  .nsai-brand strong{font-size:16px}
  .nsai-brand small{font-size:11px;margin-top:2px}
  #nsai-close,#nsai-reset{width:36px;height:36px}
  #nsai-msgs{
    padding:12px 11px 10px;
    scroll-padding-top:8px
  }
  .nsai-row{margin-bottom:13px}
  .nsai-row-ai{gap:7px}
  .nsai-msg-avatar{width:27px;height:27px;font-size:11px}
  .nsai-m{font-size:15.5px;line-height:1.5}
  .nsai-user{max-width:88%;padding:9px 11px}
  .nsai-ai{max-width:calc(100% - 34px)}
  .nsai-msg-label{font-size:11px}
  .nsai-suggestions{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:7px;
    margin-top:-1px;
    margin-bottom:8px
  }
  .nsai-suggestions button{
    padding:9px 6px;
    font-size:12.5px;
    min-height:40px
  }
  .nsai-contact-row{padding:2px 8px 3px}
  #nsai-human{font-size:11.5px;padding:3px 6px}
  .nsai-composer{
    gap:7px;
    padding:7px 8px 6px;
    padding-left:max(8px,env(safe-area-inset-left));
    padding-right:max(8px,env(safe-area-inset-right))
  }
  #nsai-input{
    max-height:82px;
    padding:9px 10px;
    border-radius:14px;
    font-size:16px
  }
  #nsai-send{
    height:40px;
    min-width:64px;
    padding:0 12px
  }
  .nsai-note{
    padding:0 8px max(6px,env(safe-area-inset-bottom));
    font-size:9px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis
  }
  .nsai-lead-sheet{
    border-radius:18px 18px 0 0;
    padding:15px 14px calc(16px + env(safe-area-inset-bottom))
  }
}

@media(max-width:390px){
  .nsai-brand small{display:none}
  .nsai-suggestions button{font-size:12px;padding-inline:5px}
  #nsai-send{min-width:58px;padding-inline:10px}
}

@media(prefers-reduced-motion:reduce){
  .nsai-thinking span{animation:none}
}
.nsai-answer-streaming{white-space:pre-wrap;word-break:break-word}
.nsai-answer-streaming::after{content:'▋';display:inline-block;margin-inline-start:3px;animation:nsaiBlink .8s steps(1,end) infinite;opacity:.55}
@keyframes nsaiBlink{50%{opacity:0}}