body {
  background: #f5f5f5;
  color: #333;
  font-family: 'Poppins', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
  padding: 20px;
  transition: background 0.3s, color 0.3s;
}

.container {
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  padding: 30px;
  max-width: 400px;
  text-align: center;
  transition: background 0.3s;
}

.profile-pic {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 3px solid #00bcd4;
}

h1 {
  font-size: 28px;
  color: #00bcd4;
}

p.bio {
  font-size: 14px;
  margin: 10px 0 20px;
  color: #666;
}

.quote {
  font-style: italic;
  font-size: 0.80rem;
  opacity: 0.6;
  text-align: center;
  margin-top: 2rem;
}

.footer {
  margin-top: 30px;
  font-size: 12px;
  color: #aaa;
}

.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background-color: #ccc;
  border-radius: 24px;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #00fff7;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

body.neon {
  background: #0f0f0f;
  color: #e0e0e0;
}

body.neon .container {
  background: #1a1a1a;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

body.neon .profile-pic {
  border-color: #00fff7;
}

body.neon h1 {
  color: #00fff7;
}

body.neon p.bio {
  color: #ccc;
}

body.neon .footer {
  color: #777;
}

.social-buttons {
  margin-top: 20px;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 10px 22px;
  margin: 8px;
  background: #00bcd4;
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  box-shadow: 0 3px 10px rgba(0, 188, 212, 0.3);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.btn:hover {
  background: #00a7bb;
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(0, 188, 212, 0.5);
}

body.neon .btn {
  background: #00fff7;
  color: #111;
  box-shadow: 0 3px 10px rgba(0, 255, 247, 0.3);
  border: 1px solid #00bfa5;
}

body.neon .btn:hover {
  background: #00e6dc;
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(0, 255, 220, 0.5);
}