body {
    font-family: Arial, sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 0;
    color: #333;
}

h1, h2 {
    text-align: center;
    color: #2c3e50;
    margin-top: 20px;
}

nav {
    text-align: center;
    background: #2c3e50;
    padding: 12px;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}
nav a:hover {
    color: #f39c12;
}

form {
    max-width: 450px;
    margin: 20px auto;
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
input, textarea, button {
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
}
button {
    background: #27ae60;
    color: white;
    font-weight: bold;
    cursor: pointer;
    border: none;
}
button:hover {
    background: #2ecc71;
}

table {
    width: 95%;
    margin: 20px auto;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
th, td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: center;
}
th {
    background: #2c3e50;
    color: white;
}
tr:nth-child(even) {
    background: #f9f9f9;
}

a.btn {
    padding: 6px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
}
a.aceptar { background: #27ae60; color: white; }
a.rechazar { background: #c0392b; color: white; }
a.aceptar:hover { background: #2ecc71; }
a.rechazar:hover { background: #e74c3c; }

.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}