.chat-toggle {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 50%;
  box-shadow: 0 5px 20px rgba(37, 99, 235, 0.4);
  cursor: pointer;
  z-index: 1000;
  font-size: 1.5rem;
  transition: transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chat-toggle:hover {
  transform: scale(1.1);
}
.icon-close { display: none; }
.chat-toggle.open .icon-open { display: none; }
.chat-toggle.open .icon-close { display: block; font-size: 2rem; }

.chat-widget {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 350px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  z-index: 999;
  overflow: hidden;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.chat-widget.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.chat-header {
  background: #2563eb;
  padding: 20px;
  color: white;
}
.agent {
  display: flex;
  align-items: center;
  gap: 10px;
}
.agent img { border-radius: 50%; border: 2px solid white; }
.agent h4 { margin: 0; font-size: 1rem; }
.agent span { font-size: 0.8rem; opacity: 0.9; }
.chat-body {
  padding: 20px;
  height: 250px;
  background: #f9fafb;
  overflow-y: auto;
}
.msg {
  max-width: 80%;
  padding: 10px 15px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}
.income {
  background: #e5e7eb;
  color: #1f2937;
  border-bottom-left-radius: 2px;
}
.chat-footer {
  padding: 15px;
  border-top: 1px solid #e5e7eb;
  display: flex;
  gap: 10px;
}
.chat-footer input {
  flex: 1;
  padding: 10px;
  border: 1px solid #d1d5db;
  border-radius: 20px;
  outline: none;
}
.chat-footer button {
  background: #2563eb;
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
}

const toggle = document.getElementById("chatToggle");
const widget = document.getElementById("chatWidget");

toggle.addEventListener("click", () => {
  toggle.classList.toggle("open");
  widget.classList.toggle("active");
});