body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f9f9f9;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.login-container, .register-container {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  width: 320px;
  padding: 30px 25px 35px 25px;
  text-align: center;
}

.avatar {
  background: linear-gradient(135deg, #6a5dfc, #a45cff);
  width: 60px;
  height: 60px;
  border-radius: 14px;
  color: white;
  font-weight: 700;
  font-size: 22px;
  line-height: 60px;
  margin: 0 auto 20px auto;
  user-select: none;
}

h2 {
  margin: 0 0 5px 0;
  font-weight: 700;
  font-size: 24px;
  color: #353535;
}

p.subtitle {
  margin: 0 0 24px 0;
  font-size: 14px;
  color: #6b6b6b;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #ddd;
  margin-bottom: 18px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.3s;
  box-sizing: border-box;
  display: block;
}

input[type="email"]:focus,
input[type="password"]:focus {
  border-color: #6a5dfc;
}

button {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #6a5dfc, #a45cff);
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.3s;
}

button:hover {
  background: linear-gradient(135deg, #5750db, #7939dc);
}

.register-link, .login-link {
  margin-top: 18px;
  font-size: 14px;
  color: #4b4b4b;
}

.register-link a, .login-link a {
  color: #6a5dfc;
  text-decoration: none;
  font-weight: 600;
}

.register-link a:hover, .login-link a:hover {
  text-decoration: underline;
}