body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8;
    color: #2c3e50;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #1a252f;
    color: #ffffff;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.header h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 1px;
}

.header p {
    margin: 5px 0;
    font-size: 14px;
    color: #bdc3c7;
}

.container {
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    max-width: 1200px;
    margin: 30px auto;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    gap: 20px;
}

.left, .right {
    width: 100%;
}

h2 {
    color: #1a252f;
    font-size: 20px;
    margin-bottom: 10px;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 15px;
    background-color: #fafafa;
}

table, th, td {
    border: 1px solid #dcdfe3;
}

th {
    background-color: #34495e;
    color: #ffffff;
    text-align: left;
}

th, td {
    padding: 12px 15px;
}

.up {
    color: #2ecc71;
    font-weight: bold;
}

.down {
    color: #e74c3c;
    font-weight: bold;
}

@media (min-width: 768px) {
    .container {
        flex-direction: row;
        justify-content: space-between;
    }

    .left, .right {
        width: 48%;
    }
}