:root {
  --main-color: #c0f3cf;
  --bg-color: #374741;
  --container-bg: #b6ddb3;
  --button-color: #1e663a;
  --font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --spacing: 20px;
  --r: 18px;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  background-color: var(--bg-color);
  color: var(--base-color);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  color: var(--main-color);
  text-shadow: 1px 1px 2px #1f1d1d;
  text-align: center;
}

.container {
  background-color: var(--container-bg);
  width: 100%;
  max-width: 400px;
  margin: 50px auto;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

input,
button {
  width: 100%; /* ocupa todo el ancho del container */
  padding: 10px;
  margin-top: 10px;
  font-size: 1em;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  background-color: var(--button-color);
  color: white;
  border: none;
  transition: all 0.3s ease;
}

button:hover {
  opacity: 0.9; /* efecto hover */
}

#result {
  margin-top: 20px;
  font-weight: bold;
}

/*Responsive for phone devices*/
@media (max-width: 600px) {
  h1 {
    font-size: 1.5em;
  }
}

/* Responsive for tablets */
@media (min-width: 601px) and (max-width: 900px) {
  .container {
    width: 70%;
    padding: 25px;
  }
}