body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #003366;
    color: white;
    padding: 10px 20px;
}

.header-left img {
    height: 40px;
    margin-right: 10px;
}

.header-right {
    display: flex;
    align-items: center;
}

.header-right .username {
    margin-right: 20px;
}

.header-right .balance {
    margin-right: 20px;
    color: yellow;
}

.header-right .logout {
    color: white;
    text-decoration: none;
    border: 1px solid white;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: red;
}

.container {
    display: flex;
}

.sidebar {
    background-color: #e0e0e0;
    width: 200px;
    padding: 20px;
    border-right: 1px solid #ccc;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 15px;
}

.sidebar .btn {
    background-color: #003366;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

.main-content {
    flex: 1;
    padding: 20px;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    margin-right: 5px;
    background-color: #003366;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.tab.active {
    background-color: #e60000;
}

.table-controls {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.table-controls .btn {
    background-color: #003366;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin-right: 10px;
    cursor: pointer;
}

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

.match-table th,
.match-table td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
}

.match-table th {
    background-color: #f2f2f2;
}

.match-table tbody tr:nth-child(odd) {
    background-color: #f9f9f9;
}