body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container, .login-container {
  background: rgba(255, 255, 255, 0.95);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  text-align: center;
  max-width: 400px;
}

.hidden { display: none; }

input {
  width: 80%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border-radius: 50px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

button {
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  border: none;
  background: #00d1b2;
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

button:hover { background: #00b894; }

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 3px solid #9b59b6;
}

h1 { margin: 0.5rem 0; color: #333; }
p { color: #555; font-size: 0.95rem; margin-bottom: 1rem; }
ul { list-style: none; padding: 0; margin-bottom: 1.5rem; }
li { margin: 0.5rem 0; }

.btn {
  display: inline-block;
  text-decoration: none;
  background: #00d1b2;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  transition: 0.3s;
  font-weight: bold;
}

.btn:hover { background: #00b894; }

.hint {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.5rem;
}