body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #b3ffb3, #99ccff);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.content {
    text-align: center;
    margin-top: 40px;
}

h1 {
    color: #004aad;
    margin-bottom: 30px;
}

.folders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    width: 80%;
    max-width: 600px;
    margin: 0 auto;
}

.folder {
    background-color: white;
    border: 2px solid #004aad;
    border-radius: 10px;
    padding: 18px;
    text-align: center;
    font-weight: bold;
    color: #004aad;
    text-decoration: none;
}

.folder:hover {
    background-color: #004aad;
    color: white;
}

.email {
    text-align: center;
    font-size: 1.1em;
    margin: 20px 0;
}

.email a {
    color: #004aad;
    text-decoration: none;
    font-weight: bold;
}

.email a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    color: #333;
    font-size: 0.9em;
    padding: 10px 0;
    width: 100%;
    margin-top: 30px;
}

.folder-block {
    width: 85%;
    max-width: 900px;
    background: white;
    margin: 20px auto;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #004aad33;
}

.folder-block h2 {
    color: #004aad;
    font-size: 1.3em;
    margin-bottom: 10px;
    padding-left: 6px;
    border-left: 4px solid #004aad;
}

.folder-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.folder-block li {
    padding: 10px;
    margin-bottom: 6px;
    background: #f0f4ff;
    border: 1px solid #c7d7f7;
    border-radius: 8px;
}

.folder-block a {
    text-decoration: none;
    font-weight: bold;
    color: #003b80;
}

.folder-block a:hover {
    text-decoration: underline;
}


/* ERRORES */

body.page_error {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    color: #333;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    text-align: center;
}

body.page_error h1 {
    font-size: 48px;
    margin-bottom: 16px;
}

body.page_error p {
    font-size: 18px;
    margin-bottom: 24px;
}

body.page_error a {
    text-decoration: none;
    color: white;
    background-color: #007bff;
    padding: 10px 20px;
    border-radius: 6px;
}

body.page_error a:hover {
    background-color: #0056b3;
}

body.page_error.error404 {
    background-color: #000000;
}

a:focus-visible,
button:focus-visible,
.folder:focus-visible {
    outline: 3px solid red;
    outline-offset: 3px;
}