.help-videos {
    padding-top: var(--space-10);
}

.help-videos__grid {
    display: grid;
    gap: var(--space-8);
    align-items: start;
}

.help-player__frame {
    background-color: var(--color-ink);
}

.help-player__screen {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: var(--color-ink);
}

.help-player__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-ink);
}

.help-player__meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.help-player__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
}

.help-player__title {
    margin-top: var(--space-2);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    line-height: 1.25;
    letter-spacing: -0.01em;
    text-wrap: balance;
}

.help-player__share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.help-player__status {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
}

.help-player__status.is-success {
    color: var(--color-primary);
}

.help-playlist {
    overflow: hidden;
    background-color: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.help-playlist__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.help-playlist__title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
}

.help-playlist__count {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.help-playlist__list {
    display: grid;
    gap: var(--space-2);
    padding: var(--space-3);
}

.help-playlist__item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    color: var(--color-text);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
}

.help-playlist__item[aria-current="true"] {
    background-color: var(--color-bg);
    border-color: var(--color-primary);
}

.help-playlist__thumb {
    position: relative;
    display: block;
    width: 5.5rem;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--radius-md);
    background-color: var(--color-ink);
}

.help-playlist__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.help-playlist__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-ink-overlay);
    color: var(--color-text-on-ink);
}

.help-playlist__item[aria-current="true"] .help-playlist__play {
    background-color: var(--color-primary-overlay);
}

.help-playlist__play .icon {
    width: 1.125rem;
    height: 1.125rem;
}

.help-playlist__text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.help-playlist__number {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.help-playlist__name {
    font-weight: var(--font-semibold);
    line-height: 1.35;
}

.help-playlist__duration {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.help-support__grid {
    display: grid;
    gap: var(--space-10);
    align-items: center;
}

.help-support__body {
    max-width: 36rem;
    margin-top: var(--space-4);
    color: var(--color-text-muted);
}

.help-support__intro .channel-list {
    margin-top: var(--space-8);
}

.help-manual {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-6);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.help-manual__title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    line-height: 1.3;
}

.help-manual__body {
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .help-manual { padding: var(--space-10); }
}

@media (min-width: 1024px) {
    .help-videos { padding-top: var(--space-12); }

    .help-videos__grid {
        grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
        gap: var(--space-10);
    }

    .help-player__meta {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
    }

    .help-support__grid {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
        gap: var(--space-16);
    }
}