body {
    background-color: aquamarine;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
}

.contenedor {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.85);
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

h1 {
    color: #1a5f2a;
    text-align: center;
    margin-bottom: 10px;
}

h2 {
    color: #2d7a3e;
    margin-top: 30px;
    margin-bottom: 15px;
    text-align: center;
}

.formulario {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.formulario label {
    font-weight: bold;
    color: #333;
}

.formulario input {
    padding: 10px 12px;
    border: 1px solid #aaa;
    border-radius: 8px;
    font-size: 1em;
}

.formulario button {
    margin-top: 10px;
    padding: 12px;
    background-color: #1a5f2a;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
}

.formulario button:hover {
    background-color: #2d7a3e;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    border: 1px solid #ccc;
    padding: 10px 12px;
    text-align: left;
}

th {
    background-color: #1a5f2a;
    color: white;
}

tr:nth-child(even) {
    background-color: #f0faf0;
}

.vacio {
    text-align: center;
    color: #666;
    font-style: italic;
}