* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    width: 100%;
    height: 100%;
    background: #0d0d0d;
    color: #fff;
    font-family: Arial, sans-serif;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.page {
    width: min(1280px, 95vw);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    background: #1a1a1a;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid #2a2a2a;
}

label {
    font-size: 16px;
    font-weight: 600;
}

select {
    min-width: 180px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #121212;
    color: white;
    font-size: 15px;
}

@media (max-width: 640px) {
    .controls {
        align-items: stretch;
        flex-direction: column;
    }

    select {
        width: 100%;
    }
}

.stream-wrapper {
    width: 100%;
    height: min(720px, 75vh);
    border: 2px solid #2c2c2c;
    background: #111;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    overflow: hidden;
}

iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: #000;
}