:root {
    --yt-background: #000000;
    --yt-secondary-background: #181818;
    --yt-tertiary-background: #303030;
    --yt-primary-text: #ffffff;
    --yt-secondary-text: #aaaaaa;
    --yt-accent-blue: #3ea6ff;
    --yt-border-color: #303030;
}

body {
    background-color: var(--yt-background);
    color: var(--yt-primary-text);
    font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    margin: 0;
    padding-top: 60px; /* Space for top bar */
}

#top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background-color: var(--yt-secondary-background);
    border-bottom: 1px solid var(--yt-border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    z-index: 1000;
}

.logo h2 {
    font-weight: 400;
    font-size: 22px;
    margin: 0;
}

.container {
    padding: 10px;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.left-column, .right-column {
    flex: 1;
}

.video-aspect-ratio-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
    border-radius: 12px;
    overflow: hidden;
}

#player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#video-title-container {
    font-size: 18px;
    font-weight: 500;
    color: var(--yt-primary-text);
    margin: 10px 0;
}

#controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    margin: 20px 0;
}

#url-inputs {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 100%;
}

#baseUrl,
#fileNumber,
#count,
#video-source-select {
    background-color: var(--yt-secondary-background);
    color: var(--yt-primary-text);
    border: 1px solid var(--yt-border-color);
    padding: 10px;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
}

button {
    background-color: var(--yt-tertiary-background);
    color: var(--yt-primary-text);
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #4d4d4d;
}

.right-column {
    max-height: 400px;
    overflow-y: auto;
    background-color: var(--yt-secondary-background);
    padding: 10px;
    border-radius: 8px;
}

.player-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
}

.video-library {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.video-preview {
    display: flex;
    gap: 10px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.video-preview:hover {
    background-color: var(--yt-tertiary-background);
}

.thumbnail-placeholder {
    width: 100px;
    height: 56px;
    background-color: #4d4d4d;
    border-radius: 4px;
    flex-shrink: 0;
}

.video-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.video-title {
    font-size: 14px;
    font-weight: 500;
    white-space: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.video-preview.active {
    background-color: var(--yt-accent-blue);
    color: var(--yt-background);
}

.video-preview.video-played {
    opacity: 0.7;
}

.video-preview.video-unplayable .video-title {
    text-decoration: line-through;
}

.video-preview.video-unplayable {
    opacity: 0.5;
}

.debug-window {
    margin-top: 20px;
    background-color: var(--yt-secondary-background);
    border: 1px solid var(--yt-border-color);
    padding: 10px;
    border-radius: 4px;
    max-height: 200px;
    overflow-y: auto;
}

#status {
    text-align: center;
    color: var(--yt-secondary-text);
    margin-bottom: 10px;
}

/* Desktop layout */
@media (min-width: 800px) {
    body {
        padding-top: 80px;
    }

    #controls {
        flex-direction: row;
        width: auto;
    }

    #url-inputs {
        flex-direction: row;
        width: auto;
    }
    
    #baseUrl {
        width: 300px;
    }

    .main-content {
        flex-direction: row;
    }

    .left-column {
        flex: 3;
    }

    .right-column {
        flex: 1;
        max-height: calc(100vh - 150px);
    }
}