#sfbc-bubble, #sfbc-chatbot {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

#sfbc-bubble {
  position: fixed !important;
  bottom: 26px;
  right: 26px;
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, #f4c542, #ffdb5a);
  color: #1a202c;
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 24px;
  z-index: 2147483647 !important;
  transition: transform .2s ease, box-shadow .2s ease;
}
#sfbc-bubble:hover { transform: scale(1.1); }

#sfbc-chatbot {
  position: fixed !important;
  bottom: 90px;
  right: 26px;
  width: 380px;
  height: 520px;
  background-color: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35);
  overflow: hidden;
  border: 2px solid #003366;
  display: none;
  flex-direction: column;
  z-index: 2147483647 !important;
  isolation: isolate;
}

#sfbc-header {
  background: #003366;
  color: #fff;
  padding: 14px 18px;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#sfbc-header button { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; }

#sfbc-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  background: #f7f9fc;
  color: #1a202c;
  font-size: 14px;
  line-height: 1.5;
}

#sfbc-input-area {
  border-top: 1px solid #e2e8f0;
  padding: 10px;
  display: flex;
  gap: 6px;
  background: #fff;
}
#sfbc-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: #1a202c;
}
#sfbc-send {
  background: #f4c542;
  color: #1c1c1c;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  transition: 0.2s;
}
#sfbc-send:hover { background: #ffdb5a; }