body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    padding-bottom: 60px; /* cushion at bottom */
}

.container {
    width: 90%;
    margin: auto;
    overflow: auto;
    padding: 0 2rem;
}

h1, h2 {
    color: #444;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 6px 12px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
    cursor: pointer;
}

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

tbody tr:hover {
    background-color: #f1f1f1;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a.btn {
    display:inline-block;
    background:#007bff;
    color:#fff;
    padding:8px 12px;
    border-radius:4px;
}
a.btn:hover {
    background:#0056b3;
}

input[type="text"], select {
    padding: 6px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

button {
    padding: 6px 10px;
    font-size: 14px;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}