body {
    max-width: 900px;
    margin: 30px auto;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

h1 {
    text-align: center;
}

input, select, button {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-sizing: border-box;
}

button {
    background: #0d6efd;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

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

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

.links {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.links a {
    text-decoration: none;
    background: #198754;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
}

.card {
    background: #eef4ff;
    padding: 15px;
    margin: 10px 0;
    border-radius: 10px;
}