body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 25px;
}

form input, form button {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 15px;
}

form input:focus {
    outline: none;
    border-color: #667eea;
}

form button {
    background: #667eea;
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

form button:hover {
    background: #5a67d8;
}

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

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

table th {
    background: #667eea;
    color: #fff;
}

a.btn {
    display: inline-block;
    padding: 8px 15px;
    background: #764ba2;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
}

a.btn:hover {
    background: #5a3b8c;
}