body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: "SF Pro Display", "Segoe UI", "Roboto", Arial, sans-serif;
  background: #f0f2f5;
  position: relative;
  overflow-x: hidden;
}
.gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  background: linear-gradient(120deg, #f0f2f5 0%, #e9ebee 100%);
}
.blur-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  backdrop-filter: blur(32px) brightness(1.05);
  -webkit-backdrop-filter: blur(32px) brightness(1.05);
}
.center-card {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 32px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.12),
    0 1.5px 6px 0 rgba(0, 0, 0, 0.04);
  padding: 2.7rem 2rem 2rem 2rem;
  max-width: 390px;
  margin: 60px auto;
  position: relative;
  z-index: 1;
  border: 1.5px solid rgba(200, 200, 255, 0.18);
  transition: box-shadow 0.3s;
  backdrop-filter: blur(18px) saturate(1.2);
}
.center-card:hover {
  box-shadow: 0 16px 48px 0 rgba(0, 1, 9, 0.22);
}
.dynamic-island {
  width: 200px;
  height: 40px;
  background: #fff;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin: 0 auto 1.5rem auto;
  overflow: hidden;
}
.dynamic-island.active {
  width: 100%;
  height: auto;
  padding: 1.5rem;
  cursor: default;
  flex-direction: column;
}
.dynamic-island i {
  font-size: 1.8rem;
  color: #25d366;
  margin-right: 0.5rem;
  transition: all 0.3s ease;
}
.dynamic-island span {
  font-weight: 600;
  color: #333;
  font-size: 1rem;
  transition: all 0.3s ease;
}
.dynamic-island.active i {
  margin-right: 0;
  margin-bottom: 1rem;
}
.dynamic-island.active span {
  display: none;
}
.form-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out;
}
.form-content.show {
  max-height: 800px;
}
.form-label {
  font-weight: 500;
  color: #222b45;
  margin-bottom: 0.3rem;
  margin-top: 0.7rem;
}
.form-control {
  border-radius: 16px;
  padding: 15px 18px;
  border: 1.5px solid #e0e7ff;
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.95);
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 1.5px 6px 0 rgba(0, 0, 0, 0.03);
}
.form-control:focus {
  border-color: #a5b4fc;
  box-shadow: 0 0 0 2px #a5b4fc33;
  outline: none;
}
.btn-whatsapp {
  width: 100%;
  padding: 15px 0;
  border: none;
  border-radius: 16px;
  background: linear-gradient(90deg, #25d366 0%, #128c7e 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1.13rem;
  box-shadow: 0 4px 16px 0 #25d36633;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}
.btn-whatsapp:hover {
  box-shadow: 0 12px 40px 0 rgba(0, 1, 9, 0.18);
}
.btn-whatsapp:active,
.btn-animate {
  animation: btn-bounce 0.45s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
@keyframes btn-bounce {
  0% {
    transform: scale(1);
  }
  30% {
    transform: scale(0.93);
  }
  60% {
    transform: scale(1.07);
  }
  100% {
    transform: scale(1);
  }
}
.btn-whatsapp .fa-whatsapp {
  margin-right: 0.5rem;
}
.footer {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
}
  .footer a {
    color: #888;
    margin: 0 15px;
    font-size: 2.2rem; /* Increased size */
    transition: color 0.3s, transform 0.3s;
  }
  .footer a:hover {
    transform: scale(1.2); /* Highlight on hover */
  }
  .github-icon {
    color: #1b191b;
  }
  .instagram-icon {
    color: #ce50da;
  }
  .whatsapp-icon {
    color: #59e247; 
  }
  .snapchat-icon {
    color: #e6d43a;
  }
  .qr-preview {
  display: flex;
  align-items: center;
  justify-content: center;
}

.recent-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
}
@media (max-width: 500px) {
  .center-card {
    padding: 1.5rem 1rem;
    max-width: 90vw;
  }
  .center-card h1 {
    font-size: 1.4rem;
  }
  .center-card p {
    font-size: 0.9rem;
    max-width: 90%;
  }
  .dynamic-island {
    width: 180px;
  }
  .footer {
    bottom: 10px;
  }
  .footer a {
    font-size: 1.2rem;
    margin: 0 10px;
  }
}