@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(160deg, #c0d9e8, #e4dcc5);
  color: #1a1a1a;
  transition: all 0.5s ease;
}

body.dark {
  background: linear-gradient(160deg, #2b3a49, #1b2430);
  color: #f4f4f4;
}

.container {
  text-align: center;
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 25px rgba(0,0,0,0.3);
  max-width: 400px;
  width: 90%;
}

body.dark .container {
  background: rgba(0, 0, 0, 0.3);
}

.logo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.links a {
  display: block;
  margin: 10px auto;
  padding: 12px 25px;
  border-radius: 25px;
  text-decoration: none;
  color: inherit;
  font-weight: 500;
  background: rgba(255,255,255,0.2);
  transition: 0.3s;
  width: 80%;
}

body.dark .links a {
  background: rgba(255,255,255,0.1);
}

.links a:hover {
  transform: scale(1.05);
  background: rgba(255,255,255,0.4);
}

#modeToggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  border: none;
  background: rgba(255,255,255,0.2);
  color: inherit;
  padding: 10px 15px;
  border-radius: 10px;
  cursor: pointer;
  backdrop-filter: blur(5px);
  transition: 0.3s;
}

#modeToggle:hover {
  transform: scale(1.1);
  background: rgba(255,255,255,0.4);
}

/* 📱 Version mobile */
@media (max-width: 480px) {
  .logo {
    width: 120px;
    height: 120px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .links a {
    font-size: 0.95rem;
    padding: 10px 20px;
  }
}