body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont;
  background: #f5f5f5;
  text-align: center;
  padding: 20px;
}

.dialer input {
  font-size: 18px;
  padding: 10px;
  width: 200px;
}

.dialer button {
  font-size: 16px;
  padding: 10px 20px;
  margin: 5px;
}

.call-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, #0f2027, #203a43, #2c5364);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  color: white;
}

.hidden {
  display: none;
}

.call-box {
  text-align: center;
  width: 100%;
  max-width: 320px;
}

.call-title {
  font-size: 18px;
  opacity: 0.8;
  margin-bottom: 10px;
}

.call-caller {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 40px;
}

.call-buttons {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.btn {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: none;
  font-size: 14px;
  color: white;
  font-weight: bold;
}

.btn.accept {
  background: #2ecc71;
}

.btn.reject {
  background: #e74c3c;
}

.btn:active {
  transform: scale(0.95);
}