/* === LATAR BELAKANG & TEMA === */
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #388e3c, #cddc39);
  background-attachment: fixed;
  background-size: cover;
  position: relative;
  font-family: 'Segoe UI', sans-serif;
}

/* Optional: jika mau ganti dengan gambar, ubah ini */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(1px);
  z-index: 0;
}

.form-container {
  position: relative;
  z-index: 1;
  max-width: 480px;
  width: 100%;
}

/* === LOGO === */
.logo {
  width: 160px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}

/* === FORM === */
form {
  border: 1px solid rgba(0,0,0,0.05);
}

.btn-gradient {
  background: linear-gradient(90deg, #4caf50, #8bc34a);
  color: white;
  border: none;
  transition: all 0.3s;
}

.btn-gradient:hover {
  background: linear-gradient(90deg, #388e3c, #cddc39);
  transform: translateY(-2px);
}

/* === MOBILE RESPONSIVE === */
@media (max-width: 600px) {
  .logo {
    width: 120px;
  }

  .form-container {
    padding: 1rem;
  }
}