body {
  font-family: 'Segoe UI', sans-serif;
  background: #f7f9fc;
  margin: 0;
  padding: 0;
  color: #333;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.btn-volver {
  background: #2563eb;
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
}

.btn-volver:hover {
  background: #1d4ed8;
}

h1 {
  color: #1e40af;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 25px;
}

th, td {
  padding: 12px;
  border: 1px solid #ddd;
  text-align: center;
}

th {
  background: #2563eb;
  color: white;
}

tr:hover {
  background: #f0f4ff;
}

h2 {
  text-align: right;
  color: #16a34a;
}

.vacio {
  text-align: center;
  font-size: 1.2rem;
  color: #555;
}

.btn-finalizar {
  background: #16a34a;
  color: white;
  padding: 14px 24px;
  border-radius: 10px;
  text-decoration: none;
  display: block;
  width: fit-content;
  margin-left: auto;
  font-weight: 600;
  transition: 0.3s;
}

.btn-finalizar:hover {
  background: #15803d;
}