body {
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
  background: linear-gradient(to right, #e0f7fa, #e1f5fe);
  padding: 60px 20px;
  margin: 0;
}

h1 {
  color: #004d40;
  font-size: 32px;
}

.controls {
  margin: 25px 0;
}

.btn {
  font-size: 20px;
  padding: 12px 40px;
  margin: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}
.on { background-color: #43a047; color: white; }
.off { background-color: #e53935; color: white; }

#status {
  margin-top: 20px;
  padding: 12px 25px;
  font-size: 18px;
  font-weight: 500;
  border-radius: 6px;
  display: inline-block;
}
.ok { background-color: #c8e6c9; color: #2e7d32; }
.fail { background-color: #ffcdd2; color: #c62828; }

table {
  margin: 30px auto;
  border-collapse: collapse;
  width: 90%;
  max-width: 500px;
}
th, td {
  padding: 10px;
  border: 1px solid #ccc;
}
th {
  background-color: #00796b;
  color: white;
}
td {
  background-color: #f5f5f5;
}

footer {
  margin-top: 40px;
  font-size: 14px;
  color: #555;
}
footer a {
  color: #00796b;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
.card {
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 20px;
  margin: 20px auto;
  width: 320px;
  background: #ffffffd9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.card h2 {
  color: #004d40;
  font-size: 22px;
}

.card label {
  display: block;
  margin: 8px 0;
  font-size: 16px;
}

.card input {
  padding: 6px;
  margin-left: 5px;
  border: 1px solid #aaa;
  border-radius: 5px;
  width: 100px;
}
.cards-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 30px;
  flex-wrap: wrap; /* Permite que bajen si la pantalla es pequeña */
}

.card {
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 20px;
  width: 320px;
  background: #ffffffd9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: left;
}
.card h2 {
  color: #004d40;
  font-size: 20px;
  margin-bottom: 10px;
}
.card label {
  display: block;
  margin: 8px 0;
  font-size: 16px;
}
.card input {
  padding: 6px;
  margin-left: 5px;
  border: 1px solid #aaa;
  border-radius: 5px;
  width: 100px;
}