body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
}

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

.menu {
    background-color: #111;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-around;
    gap: 10px;
}

.menu img {
    width: 60px;
    height: 60px;
}

.menu a {
    color: gold;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 12px;
    border-radius: 5px;
    background-color: #222;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.menu a:hover {
    background-color: #333;
}

form {
    background-color: #111;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
}

* {
  box-sizing: border-box;
}

input, select, button, textarea {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    margin-bottom: 16px;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #222;
    color: #fff;
    font-size: 16px;
}

button, input[type=submit] {
    background-color: gold;
    color: black;
    cursor: pointer;
    font-weight: bold;
}

button:hover, input[type=submit]:hover {
    background-color: #d4af37;
}

h1, h2, h3, h4 {
    color: gold;
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 10px;
    border: 1px solid #444;
    text-align: left;
}

th {
    background-color: #222;
    color: gold;
}

tr:nth-child(even) {
    background-color: #111;
}

tr:hover {
    background-color: #222;
}


.tabla_estilo table { border-collapse: collapse; width: 100%; }
.tabla_estilo th, td { border: 1px solid #ccc; padding: 6px; text-align: left; }
.tabla_estilo th { background-color: #eee; }

@media (max-width: 600px) {
    .menu {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
        text-align: center;
    }

    .menu a {
        font-size: 20px;
        padding: 12px;
        text-align: center;
    }

    .menu img {
        display: block;
        margin: 5px auto;
        box-sizing: border-box;
    }

    input, select, button, textarea {
        font-size: 20px;
        padding: 14px;
    }

    h1, h2, h3, h4 {
        font-size: 22px;
    }

    table, thead, tbody, th, td, tr {
        display: block;
        font-size: 18px;
    }

    td {
        padding: 12px 0;
        border: none;
        border-bottom: 1px solid #444;
    }

    th {
        display: none;
    }

    tr {
        margin-bottom: 18px;
        border-bottom: 2px solid #333;
    }

    button, input[type=submit] {
        font-size: 20px;
        padding: 14px;
    }

    .tabla-sesiones {
        display: table;
        width: 100%;
    }

    .tabla-sesiones thead,
    .tabla-sesiones tbody,
    .tabla-sesiones tr,
    .tabla-sesiones td,
    .tabla-sesiones th {
        display: table-row-group;
    }

    .tabla-sesiones tr {
        display: table-row;
    }

    .tabla-sesiones th,
    .tabla-sesiones td {
        display: table-cell;
        padding: 8px;
        border-bottom: 1px solid #333;
    }

    .tabla-sesiones th {
        display: table-cell;
        font-weight: bold;
    }
}
    
}