body {
    margin: 0;
    padding: 0;
    background: #f3f4f6;
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 15px auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

h1 {
    margin: 0;
    color: #234c8c;
    font-size: 36px;
    font-weight: 700;
}

.version {
    color: #777;
    font-size: 16px;
}

.version a {
    text-decoration: none;
}

.version a:hover {
    text-decoration: underline;
}

.user-box {
    margin-top: 20px;
    font-size: 15px;
}

.user-box a {
    text-decoration: none;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 15px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.card h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 700;
}

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

.table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid #ddd;
}

.table td {
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
}

.table tr:hover {
    background: #fafafa;
}

input {
    box-sizing: border-box;
}

button {
    padding: 10px 18px;
    border: 0;
    border-radius: 4px;
    background: #234c8c;
    color: white;
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

.message {
    color: #c62828;
    font-weight: bold;
}

.amount {
    text-align: right;
    white-space: nowrap;
}

.table th.amount,
.table td.amount {
    text-align: right;
    white-space: nowrap;
    width: 120px;
}

.paymenttype {
    text-align: center;
    white-space: nowrap;
}

.table th.paymenttype,
.table td.paymenttype {
    text-align: center;
    white-space: nowrap;
    width: 140px;
}