* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background: #fff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

form input, form select, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 16px;
}

form input:focus, form select:focus, form textarea:focus {
    border-color: #007bff;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background: #007bff;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #0056b3;
}

.success {
    color: green;
    text-align: center;
    margin-top: 10px;
}

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

table th, table td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}

table th {
    background: #007bff;
    color: white;
}