.tbc-widget{
  --cream:#F7F1E8;
  --card:#FFFDF9;
  --ink:#2B2622;
  --ink-soft:#6B6459;
  --rule:#E7DCC9;
  --accent:#C6493B;
  --accent-dark:#A83A2F;
  --accent-soft:#F3DCD6;
  --user-bubble:#33302B;
  --calm:#3F5E56;
  --calm-soft:#DCEAE5;

  box-sizing:border-box;
  background:var(--cream);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  color:var(--ink);
  padding:28px 16px 40px;
  border-radius:20px;
}
.tbc-widget *{box-sizing:border-box;}
.tbc-widget, .tbc-widget *{
  text-decoration:none;
  list-style:none;
  line-height:1.5;
}
.tbc-widget button{ margin:0; }
.tbc-widget .tbc-app{
  width:100%;
  max-width:720px;
  margin:0 auto;
}
.tbc-widget header{
  text-align:center;
  margin-bottom:18px;
}
.tbc-widget .kicker{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:11px;
  color:var(--accent-dark);
  font-weight:700;
  margin-bottom:8px;
}
.tbc-widget h1{
  font-size:26px;
  margin:0 0 6px;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.tbc-widget header p{
  color:var(--ink-soft);
  font-size:14.5px;
  max-width:520px;
  margin:0 auto;
  line-height:1.5;
}
.tbc-widget .tbc-badge-row{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-top:14px;
  flex-wrap:wrap;
}
.tbc-widget .tbc-pill{
  font-size:11.5px;
  background:var(--card);
  border:1px solid var(--rule);
  color:var(--ink-soft);
  padding:5px 10px;
  border-radius:99px;
}

.tbc-widget .chat-card{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:18px;
  box-shadow:0 8px 28px rgba(60,45,25,0.07);
  overflow:hidden;
  margin-top:20px;
}
.tbc-widget .chat-log{
  padding:22px 20px 8px;
  max-height:56vh;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.tbc-widget .msg{
  display:flex;
  flex-direction:column;
  max-width:88%;
}
.tbc-widget .msg.user{
  align-self:flex-end;
  align-items:flex-end;
}
.tbc-widget .msg.bot{
  align-self:flex-start;
  align-items:flex-start;
}
.tbc-widget .bubble{
  padding:12px 15px;
  border-radius:14px;
  line-height:1.5;
  font-size:14.5px;
  white-space:pre-wrap;
}
.tbc-widget .msg.user .bubble{
  background:var(--user-bubble);
  color:#fff;
  border-bottom-right-radius:4px;
}
.tbc-widget .msg.bot .bubble{
  background:#F1E9DC;
  color:var(--ink);
  border-bottom-left-radius:4px;
}
.tbc-widget .cite{
  margin-top:8px;
  border-left:3px solid var(--accent);
  background:var(--accent-soft);
  padding:10px 13px;
  border-radius:0 10px 10px 0;
  font-size:13.5px;
  line-height:1.55;
  max-width:100%;
}
.tbc-widget .cite .cite-label{
  font-size:10.5px;
  text-transform:uppercase;
  letter-spacing:.09em;
  font-weight:700;
  color:var(--accent-dark);
  margin-bottom:5px;
  display:block;
}
.tbc-widget .cite p{margin:0 0 6px;}
.tbc-widget .cite p:last-child{margin-bottom:0;}
.tbc-widget .crisis-box{
  margin-top:8px;
  border-left:3px solid var(--calm);
  background:var(--calm-soft);
  padding:12px 14px;
  border-radius:0 10px 10px 0;
  font-size:13.5px;
  line-height:1.6;
}
.tbc-widget .crisis-box a{color:var(--calm);font-weight:700;}
.tbc-widget .fallback-note{
  margin-top:6px;
  font-size:12.5px;
  color:var(--ink-soft);
  font-style:italic;
}

.tbc-widget .tbc-chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:4px 20px 18px;
}
.tbc-widget .tbc-chip{
  font-size:13px;
  background:#fff;
  border:1px solid var(--rule);
  color:var(--ink);
  padding:7px 12px;
  border-radius:99px;
  cursor:pointer;
  transition:background .15s ease, border-color .15s ease;
  font-family:inherit;
}
.tbc-widget .tbc-chip:hover{
  background:var(--accent-soft);
  border-color:var(--accent);
}

.tbc-widget .input-row{
  display:flex;
  gap:8px;
  padding:14px 16px;
  border-top:1px solid var(--rule);
  background:#FBF7F0;
}
.tbc-widget .input-row input{
  flex:1;
  border:1px solid var(--rule);
  border-radius:10px;
  padding:11px 13px;
  font-size:14.5px;
  font-family:inherit;
  background:#fff;
  color:var(--ink);
  margin:0;
}
.tbc-widget .input-row input:focus{
  outline:none;
  border-color:var(--accent);
}
.tbc-widget .input-row button{
  background:var(--accent);
  color:#fff;
  border:none;
  border-radius:10px;
  padding:0 20px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  font-family:inherit;
}
.tbc-widget .input-row button:hover{background:var(--accent-dark);}

.tbc-widget .scope-note{
  text-align:center;
  font-size:12px;
  color:var(--ink-soft);
  margin-top:14px;
  line-height:1.6;
}

.tbc-widget details.howworks{
  margin-top:18px;
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:14px;
  padding:14px 18px;
}
.tbc-widget details.howworks summary{
  cursor:pointer;
  font-weight:700;
  font-size:13.5px;
  color:var(--ink);
}
.tbc-widget details.howworks .content{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.65;
}
.tbc-widget details.howworks .content strong{color:var(--ink);}

.tbc-widget .typing{
  display:flex;
  gap:4px;
  padding:6px 2px;
}
.tbc-widget .typing span{
  width:6px;height:6px;border-radius:50%;
  background:var(--ink-soft);
  opacity:.5;
  animation:tbcBounce 1.1s infinite ease-in-out;
}
.tbc-widget .typing span:nth-child(2){animation-delay:.15s;}
.tbc-widget .typing span:nth-child(3){animation-delay:.3s;}
@keyframes tbcBounce{
  0%,80%,100%{transform:translateY(0);opacity:.4;}
  40%{transform:translateY(-4px);opacity:1;}
}