body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #1a1a2e;
    color: white;
}

.screen {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

#landing {
    text-align: center;
    padding-top: 100px;
}

#deviceSettingsRoom {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px;
    background: #16213e;
    border-radius: 8px;
}

#deviceSettingsRoom select {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #0f3460;
    background: #1a1a2e;
    color: white;
    min-width: 150px;
}

#deviceSettingsRoom label {
    display: flex;
    align-items: center;
    gap: 5px;
}

#deviceSettingsRoom input[type="range"] {
    width: 80px;
}

#deviceSettingsRoom button {
    padding: 8px 12px;
}

#testMicBtn {
    margin: 10px;
    padding: 8px 16px;
}

#micLevel {
    width: 100%;
    height: 20px;
    background: #16213e;
    border-radius: 10px;
    margin: 10px auto;
    overflow: hidden;
}

#micLevelBar {
    height: 100%;
    width: 0%;
    background: #0f3460;
    transition: width 0.1s;
}

input, button {
    padding: 10px;
    margin: 5px;
    border-radius: 5px;
    border: none;
    font-size: 16px;
}

button {
    background: #0f3460;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #162b4d;
}

#videos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.video-container {
    position: relative;
    width: 300px;
    height: 200px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-label {
    position: absolute;
    bottom: 5px;
    left: 5px;
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
}

#remoteVideos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#chat {
    background: #16213e;
    border-radius: 8px;
    padding: 10px;
    width: 300px;
}

#messages {
    height: 200px;
    overflow-y: auto;
    margin-bottom: 10px;
    border-bottom: 1px solid #0f3460;
}

#messages div {
    margin: 5px 0;
}

#participants {
    margin-top: 10px;
    font-size: 14px;
}