body {
  margin: 0;
  padding: 0;
  background: #0b0b0b;
  color: #f5f5f5;
  font-family: "Poppins", sans-serif;
}

header {
  text-align: center;
  padding: 30px 10px;
  background: #111;
  font-size: 2.3rem;
  font-weight: 700;
  color: #00ffc3;
  text-shadow: 0 0 10px #00ffc333;
  box-shadow: 0 0 15px #00ffc222;
}

#dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  padding: 40px;
}

.grupo {
  background: #1a1a1a;
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 0 25px #000a;
  text-align: center;
  transition: transform 0.3s, background 0.3s;
}
.grupo:hover {
  transform: scale(1.03);
  background: #222;
}

.grupo h2 {
  color: #00ffc3;
  font-size: 1.8rem;
  margin-bottom: 15px;
  text-shadow: 0 0 8px #00ffc333;
}

.grupo p {
  font-size: 1rem;
  color: #aaa;
  margin-bottom: 15px;
}

.card {
  background: #2a2a2a;
  border-radius: 14px;
  margin: 14px 0;
  padding: 25px;
  font-size: 1.6rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #fff;
  box-shadow: inset 0 0 10px #0008;
}

.card i {
  font-size: 2.6rem;
  color: #00ffc3;
  filter: drop-shadow(0 0 6px #00ffc388);
}

footer {
  text-align: center;
  padding: 35px;
}

footer button {
  background: #00ffc3;
  border: none;
  color: #000;
  font-size: 1.3rem;
  padding: 16px 34px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}
footer button:hover {
  background: #00e0a8;
  transform: scale(1.07);
}