body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f6fa;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    color: #273c75;
    margin-bottom: 20px;
}

form {
    text-align: center;
}

input[type="text"] {
    width: 60%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #0097e6;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background-color: #00a8ff;
}

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

th {
    background-color: #273c75;
    color: white;
}

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

tr:nth-child(even) {
    background-color: #f2f2f2;
}

.notfound {
    text-align: center;
    color: red;
    font-weight: bold;
}