body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
}

.container {
    width: 900px;
    max-width: 90%;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
}

input {
    padding: 10px;
    margin: 5px;
    width: 250px;
}

button {
    padding: 10px 15px;
    cursor: pointer;
}

.hidden {
    display: none;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.add-channel {
    margin-bottom: 25px;
}

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

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