/* Estilo base para escritorio y tablets */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa;
    margin: 0;
    padding: 20px;
}

h1, h2 {
    color: #333;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

th, td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #007BFF;
    color: white;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: #007BFF;
    margin-right: 8px;
}

a:hover {
    text-decoration: underline;
}

form {
    background: white;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    max-width: 600px;
    margin: auto;
}

input[type="text"],
input[type="number"],
input[type="date"] {
    width: 100%;
    padding: 10px;
    margin: 8px 0 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: #28a745;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button:hover {
    background-color: #218838;
}

a.button {
    background-color: #007BFF;
    color: white;
    padding: 10px 14px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 10px;
}

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

/* Responsive: diseño para móviles */
@media screen and (max-width: 600px) {
    body {
        padding: 10px;
    }

    table, thead, tbody, th, td, tr {
        display: block;
        width: 100%;
    }

    thead {
        display: none;
    }

    tr {
        margin-bottom: 15px;
        border-bottom: 2px solid #ccc;
        padding-bottom: 10px;
    }

    td {
        text-align: right;
        padding-left: 50%;
        position: relative;
    }

    td::before {
        content: attr(data-label);
        position: absolute;
        left: 15px;
        width: 45%;
        padding-left: 10px;
        font-weight: bold;
        text-align: left;
        color: #333;
    }

    button,
    a.button {
        width: 100%;
        margin-bottom: 10px;
        text-align: center;
    }
}