.ai-chatbot{
  position:fixed;
  right:30px;
  bottom:30px;
  z-index:99999;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

.ai-button{
  width:70px;
  height:70px;
  border:0;
  border-radius:50%;
  cursor:pointer;
  font-size:28px;
  display:grid;
  place-items:center;
  color:#fff;
  background:linear-gradient(135deg,#4cc9f0,#3a86ff);
  box-shadow:0 20px 40px rgba(0,0,0,.35);
  transition:transform .35s ease, box-shadow .35s ease, filter .35s ease;
}

.ai-button:hover{
  transform:translateY(-5px) scale(1.08);
  box-shadow:0 24px 50px rgba(58,134,255,.3);
  filter:saturate(1.05);
}

.ai-button:focus-visible,
.ai-header button:focus-visible,
.ai-suggestions button:focus-visible,
.ai-input button:focus-visible,
.ai-input input:focus-visible{
  outline:2px solid rgba(76,201,240,.8);
  outline-offset:3px;
}

.ai-window{
  width:min(380px,calc(100vw - 30px));
  height:min(600px,calc(100vh - 130px));
  position:absolute;
  right:0;
  bottom:90px;
  display:none;
  flex-direction:column;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  border-radius:24px;
  background:linear-gradient(180deg,rgba(11,18,32,.88),rgba(16,24,40,.74));
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  color:var(--text,#f5f7fb);
}

.ai-window.show{
  display:flex;
  animation:aiPop .28s ease-out;
}

.ai-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 1rem .9rem;
  border-bottom:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(255,255,255,.08),transparent);
}

.ai-title{
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size:.82rem;
  display:flex;
  align-items:center;
  gap:.5rem;
}

.ai-title::before{
  content:"";
  width:.65rem;
  height:.65rem;
  border-radius:50%;
  background:linear-gradient(135deg,#4cc9f0,#3a86ff);
  box-shadow:0 0 18px rgba(76,201,240,.65);
}

.ai-header button{
  border:0;
  background:rgba(255,255,255,.08);
  color:inherit;
  width:2.25rem;
  height:2.25rem;
  border-radius:50%;
  cursor:pointer;
  font-size:1.05rem;
  line-height:1;
  transition:background .2s ease, transform .2s ease;
}

.ai-header button:hover{
  background:rgba(255,255,255,.16);
  transform:scale(1.05);
}

.ai-body{
  flex:1;
  overflow:auto;
  padding:1rem;
  display:flex;
  flex-direction:column;
  gap:.75rem;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.2) transparent;
}

.ai-body::-webkit-scrollbar{
  width:.45rem;
}

.ai-body::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.18);
  border-radius:999px;
}

.bot-message,
.user-message{
  max-width:88%;
  padding:.95rem 1rem;
  border-radius:1.15rem;
  line-height:1.7;
  font-size:.95rem;
  box-shadow:0 10px 22px rgba(0,0,0,.16);
}

.bot-message{
  align-self:flex-start;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
}

.user-message{
  align-self:flex-end;
  background:linear-gradient(135deg,rgba(76,201,240,.2),rgba(58,134,255,.24));
  border:1px solid rgba(76,201,240,.18);
}

.ai-suggestions{
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
  padding:0 1rem 1rem;
}

.ai-suggestions button{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  color:inherit;
  border-radius:999px;
  padding:.55rem .9rem;
  font-size:.85rem;
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, border-color .2s ease;
}

.ai-suggestions button:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.11);
  border-color:rgba(76,201,240,.28);
}

.ai-input{
  display:flex;
  gap:.75rem;
  padding:0 1rem 1rem;
}

.ai-input input{
  flex:1;
  min-width:0;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  background:rgba(255,255,255,.06);
  color:inherit;
  padding:.95rem 1rem;
  font-size:.95rem;
}

.ai-input input::placeholder{
  color:rgba(255,255,255,.55);
}

.ai-input button{
  border:0;
  width:3rem;
  min-width:3rem;
  height:3rem;
  border-radius:50%;
  cursor:pointer;
  color:#fff;
  background:linear-gradient(135deg,#4cc9f0,#3a86ff);
  box-shadow:0 14px 24px rgba(58,134,255,.28);
  font-size:1.2rem;
  transition:transform .2s ease, box-shadow .2s ease;
}

.ai-input button:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 28px rgba(58,134,255,.34);
}

@keyframes aiPop{
  from{
    opacity:0;
    transform:translateY(10px) scale(.96);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
  }
}

@media (max-width: 640px){
  .ai-chatbot{
    right:16px;
    bottom:16px;
  }

  .ai-button{
    width:64px;
    height:64px;
    font-size:26px;
  }

  .ai-window{
    width:min(100vw - 32px, 380px);
    height:min(72vh, 540px);
    bottom:84px;
  }
}

@media (prefers-reduced-motion: reduce){
  .ai-button,
  .ai-header button,
  .ai-suggestions button,
  .ai-input button{
    transition:none;
  }

  .ai-window.show{
    animation:none;
  }
}