@keyframes scolnextSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

#scolnext-chat {
  max-width: 900px;
  margin: 20px auto;
}

#scolnext-messages {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px;
  height: 420px;
  overflow-y: auto;
}

.scolnext-input-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

#scolnext-question {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  color: #fff;
  font-size: 15px;
}

#scolnext-send {
  padding: 12px 18px;
  border-radius: 10px;
  border: none;
  background: #0b5fff;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}

#scolnext-send:disabled {
  opacity: 0.7;
  cursor: default;
}

.scolnext-clear {
  padding: 12px 18px;
  border-radius: 10px;
  border: none;
  background: #ff3b3b;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}

#scolnext-loading {
  display: none;
  margin-top: 10px;
  opacity: 0.8;
}

.scolnext-spinner {
  display: inline-block;
  animation: scolnextSpin 1s linear infinite;
}

.scolnext-bubble {
  max-width: 78%;
  padding: 12px 14px;
  border-radius: 14px;
  margin: 10px 0;
  white-space: pre-wrap;
  line-height: 1.6;
  font-family: system-ui, sans-serif;
  font-size: 15px;
}

.scolnext-user {
  margin-left: auto;
  background: rgba(11, 95, 255, 0.22);
  border: 1px solid rgba(11, 95, 255, 0.35);
}

.scolnext-ai {
  margin-right: auto;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.scolnext-typing {
  opacity: 0.8;
  font-style: italic;
}