.assistant-btn {
  background-color: #00a0b6;
  position: fixed;
  bottom: 30px;
  right: 30px;
  height: 60px;
  padding: 0 22px;
  color: white;
  border-radius: 30px;
  font-size: 18px;
  display: flex;
  align-items: center;
  white-space: nowrap; /* una sola línea */
  z-index: 9999;
}
/* Hover */
.assistant-btn:hover {
  background: #00a0b6;
  color: white;
}

/* Al presionar */
.assistant-btn:active {
  background: #006982 !important;
  color: white;
}

.chat-box {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 320px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    overflow: hidden;
    display: none;
    z-index: 9999;
}

.chat-box.is-open {
    display: block;
}

.chat-header {
    background: #00a0b6;
    color: white;
    padding: 15px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-body {
    padding: 20px;
    min-height: 280px;
    color: #444;
}

.chat-footer {
    padding: 15px;
    border-top: 1px solid #eee;
}

.chat-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-input-group .form-control {
    flex: 1 1 auto;
}

.chat-send-btn {
    flex: 0 0 auto;
    margin-top: 0;
}

.chat-close {
    background: transparent;
    border: 0;
    color: white;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

@media (max-width: 576px) {
  .assistant-btn {
    right: 16px;
    bottom: 16px;
    padding: 0 18px;
    font-size: 16px;
  }

  .chat-box {
    right: 16px;
    bottom: 86px;
    width: calc(100vw - 32px);
    max-width: 320px;
  }
}