body {
    font-family: Arial, sans-serif;
    background: #f1f3f5;
    margin: 0;
    padding: 0;
}

.box {
    width: 350px;
    margin: 100px auto;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 0 10px #ccc;
}

.wide {
    width: 800px;
}

h1, h2 {
    text-align: center;
}

input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
}

button {
    width: 100%;
    padding: 10px;
    background: #228be6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1c7ed6;
}

.error {
    color: red;
    text-align: center;
}

.logout {
    display: block;
    text-align: right;
    margin-bottom: 20px;
}

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

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

.delete {
    color: red;
}

.center {
    text-align: center;
}

.success {
    color: green;
    text-align: center;
}

select {
    padding: 6px;
    margin-bottom: 5px;
}

.danger {
    background: #e03131;
}

.danger:hover {
    background: #c92a2a;
}

table form {
    margin: 0;
}

table button {
    width: auto;
    padding: 6px 10px;
}