body {
  font-family: Arial, sans-serif;
  background: #333;
  text-align: center;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0;
}

div {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.1); /* Borda sutil */
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.1), /* Sombra inferior */
        0 -1px 1px rgba(255, 255, 255, 0.5) inset; /* Luz no topo (opcional) */
  border-radius: 5px;
  padding: 20px;
}

h1 {
  color: white;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

p {
  color: white;
}

img {
  width: 15px;
  height: 15px;
  float: left;
  margin: 0;
  padding: 0;
}

span {
  font-size: 15px;
}

input, button {
  width: 250px;
  padding: 12px;
  margin: 8px 0;
  border: none;
  border-radius: 5px;
  font-size: 14px;
  box-sizing: border-box;
}

input {
  background-color: rgba(255,255,255,0.9);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

input:focus {
  outline: 2px solid #6e8efb;
}

button {
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

#loginBtn {
  background-color: #4a6cf7;
  color: white;
}

#registerBtn {
  background-color: white;
  color: #4a6cf7;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

button:active {
  transform: translateY(0);
}