body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f2f8fc;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

h2, h4 {
    color: #007acc;
    margin-bottom: 16px;
}

a {
    color: #007acc;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #007acc;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 8px;
}

button:hover {
    background-color: #005f99;
}

input[type="text"],
input[type="password"],
input[type="file"],
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

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

th {
    background-color: #e6f2fa;
    color: #007acc;
}

tr:hover {
    background-color: #f1f9ff;
}

iframe {
    border: 1px solid #ccc;
    margin-top: 10px;
    border-radius: 8px;
}