/* 🌸 Hello Kitty Username Popup */
.kitty-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 182, 217, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.kitty-popup.hidden {
  display: none;
}

.kitty-popup-box {
  background: linear-gradient(135deg, #FFECF6, #FFD6E8);
  border: 3px solid #FFB6D9;
  border-radius: 26px;
  padding: 24px;
  width: 90%;
  max-width: 360px;
  text-align: center;
  box-shadow: 0 10px 20px rgba(255, 105, 180, 0.35);
}

.kitty-popup-header {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FF5FA2;
  margin-bottom: 12px;
}

.kitty-popup-body .kitty-face {
  font-size: 3rem;
  margin-bottom: 8px;
}

.kitty-popup-body .kitty-text {
  font-size: 1rem;
  font-weight: 700;
  color: #A65C87;
  margin-bottom: 16px;
}

#username-input {
  width: 100%;
  padding: 12px;
  border-radius: 16px;
  border: 2px solid #FFD6E8;
  margin-bottom: 16px;
  font-size: 1rem;
  outline: none;
}

#username-input:focus {
  border-color: #FF7EB6;
}