body {
  margin: 0;
  font-family: 'Inter', sans-serif;
}

.gradient-bg {
  height: 100vh;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-login {
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 350px;
  text-align: center;
}

.card-login .icon {
  font-size: 40px;
  color: #764ba2;
  margin-bottom: 10px;
}

.card-login h2 {
  margin-bottom: 25px;
  color: #333;
}

.input-group {
  position: relative;
  margin-bottom: 15px;
}

.input-group i {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: #aaa;
}

.input-group input {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 15px;
}

button {
  width: 100%;
  padding: 12px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background: #5766cc;
}

.powered {
  font-size: 13px;
  margin-top: 20px;
  color: #555;
}

.powered a {
  color: #764ba2;
  text-decoration: none;
}

.powered a:hover {
  text-decoration: underline;
}

/* Responsif */
@media (max-width: 480px) {
  .card-login {
    padding: 30px 20px;
  }
}