body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #1c1c1c, #000);
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: #333;
    border-bottom: 1px solid #444;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

header img {
    height: 50px;
    margin-right: 15px;
}

header h1 {
    font-size: 2rem;
    margin: 0;
    color: #fff;
}

.channel-selector {
    display: flex;
    align-items: center;
}

.channel-selector label {
    margin-right: 10px;
    font-size: 1rem;
    color: #ccc;
}

.channel-selector select {
    font-size: 1rem;
    padding: 5px 10px;
    background-color: #444;
    color: #fff;
    border: 1px solid #555;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.channel-selector select:hover {
    background-color: #555;
    color: #fff;
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: auto;
}

.channel-card {
    cursor: pointer;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    background: #222;
    transition: transform 0.3s, box-shadow 0.3s;
    height: 300px; /* Fixed height for uniform size */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.channel-card:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.5);
}

.channel-card img {
    width: 100%;
    height: auto; /* Revert to auto height */
    display: block;
    border-bottom: 1px solid #333;
    flex-grow: 1;
}

.channel-info {
    padding: 10px 15px;
    text-align: center;
    background: #333;
}

.channel-info h2 {
    font-size: 1.2rem;
    margin: 10px 0 5px;
    color: #fff;
}

.channel-info p {
    font-size: 1rem;
    margin: 0;
    color: #bbb;
}

.content {
    padding: 20px;
    max-width: 800px;
    margin: auto;
    background: #222;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.content h1, .content h3 {
    color: #fff;
}

.content ul {
    list-style: disc;
    padding-left: 20px;
}

.content ul li {
    margin-bottom: 10px;
    color: #bbb;
}

footer {
    background-color: #333;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #444;
}

.footer-content {
    max-width: 1200px;
    margin: auto;
}

footer p {
    margin: 0;
    color: #bbb;
}

footer nav ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    justify-content: center;
    gap: 15px;
}

footer nav ul li {
    display: inline;
}

footer nav ul li a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
}

footer nav ul li a:hover {
    color: #fff;
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }

    header img {
        margin-bottom: 10px;
        height: 40px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .channel-selector {
        width: 100%;
        justify-content: space-between;
        margin-top: 10px;
    }

    .channel-selector label {
        font-size: 0.9rem;
    }

    .channel-selector select {
        font-size: 0.9rem;
        padding: 5px;
    }

    .channel-grid {
        grid-template-columns: 1fr;
        padding: 10px;
    }

    .channel-card {
        height: auto; /* Adjust height for mobile */
    }

    .channel-info h2 {
        font-size: 1rem;
    }

    .channel-info p {
        font-size: 0.9rem;
    }

    .content {
        padding: 10px;
    }

    footer {
        padding: 10px;
    }

    footer nav ul {
        flex-direction: column;
        gap: 5px;
    }
}