body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
}


.container {
    max-width: 1000px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.table-container {
    margin-top: 20px;
    overflow-x: auto;
}

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

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

th {
    background-color: #f8f8f8;
}

tr.upstream {
    background-color: #ffcccc; /* Halvány piros */
}

tr.downstream {
    background-color: #ccffcc; /* Halvány zöld */
}

input, select, button {
    padding: 10px;
    margin: 5px 0;
    width: calc(100% - 20px);
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: #007bff;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.summary-container {
    background: #f9f9f9;
    padding: 20px;
}

.edit-button {
    background-color: #ffc107;
    color: black;
}

.edit-button:hover {
    background-color: #e0a800;
}

.save-button {
    background-color: #28a745;
    color: white;
}

.save-button:hover {
    background-color: #218838;
}

.delete-button {
    background-color: #dc3545;
    color: white;
}

.delete-button:hover {
    background-color: #c82333;
}