* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #e8f5e9;
}

.banner {
  width: 100%;
  height: 220px;
  background: #66bb6a;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.logo {
  height: 80px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  padding: 30px;
}

.entrada {
  background: white;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
}

.entrada img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
}

button {
  padding: 10px;
  margin-top: 10px;
  background: #2e7d32;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  width: 90%;
  max-width: 400px;
  text-align: center;
}

.card input,
.card select {
  width: 100%;
  margin: 8px 0;
  padding: 8px;
}

.oculto {
  display: none;
}

.loader {
  width: 60px;
  height: 60px;
  border: 6px solid #ccc;
  border-top: 6px solid #2e7d32;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}