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

body {
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    background: #ffffff;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 800px;
}

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

.form-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 15px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    background-color: #f8f9fa;
    color: #333;
}

.delete-btn {
    background-color: #dc3545;
    padding: 6px 10px;
    font-size: 14px;
}

.delete-btn:hover {
    background-color: #c82333;
}