/* ===== st.css ===== */ 
.frens-invite {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #1a1a1a;
  padding: 10px;
  /* perspective: 1000px; */ /* دیگر نیازی نیست */
}

.frens-invite-button {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border-radius: 8px;
  padding: 10px;
  box-shadow: var(--neumorphic-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 350px;
  /* حذف چرخش و انیمیشن کج‌شدن */
  /* transform: rotateY(15deg) rotateX(-5deg); */
  /* transition: transform 1s var(--cubic-bezier), box-shadow 0.4s var(--cubic-bezier); */
  transition: box-shadow 0.4s var(--cubic-bezier);
}

.frens-invite-button:hover {
  /* حذف چرخش هنگام hover */
  /* transform: rotateY(0) rotateX(0); */
  box-shadow: 0 24px 48px -12px rgba(0,0,0,0.4);
}

.frens-invite-button input {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.1);
  transition: border-color 0.4s var(--cubic-bezier), box-shadow 0.4s var(--cubic-bezier);
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--base-fg);
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}

.frens-invite-button input:focus {
  border-color: var(--gradient-primary);
  box-shadow: 0 0 20px rgba(102,126,234,0.3);
}

.frens-invite-button button {
  background: #333;
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.frens-invite-button button:hover {
  background: #777174;
  transform: scale(1.05);
}

.frens-invite-button button:active {
  background: #c2bcbf;
}

@media (max-width: 480px) {
  .frens-invite-button {
    padding: 8px;
  }

  .frens-invite-button input {
    font-size: 12px;
  }
}