/* Lesson Audio Player */
.tt-audio-player {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #e8f5f3;
    border-left: 4px solid #027D7C;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 0 0 32px;
}
.tt-audio-player__icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: #027D7C;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.tt-audio-player__body {
    flex: 1;
    min-width: 0;
}
.tt-audio-player__label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #027D7C;
    margin: 0 0 8px;
}
.tt-audio-player__controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.tt-audio-player__play {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #027D7C;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 0;
    transition: background 0.15s;
}
.tt-audio-player__play:hover { background: #015e5e; }
.tt-audio-player__progress-wrap {
    flex: 1;
    cursor: pointer;
    padding: 8px 0;
}
.tt-audio-player__progress-bg {
    height: 4px;
    background: rgba(2,125,124,0.2);
    border-radius: 2px;
    overflow: hidden;
}
.tt-audio-player__progress-bar {
    height: 100%;
    width: 0%;
    background: #027D7C;
    border-radius: 2px;
    transition: width 0.1s linear;
}
.tt-audio-player__time {
    flex-shrink: 0;
    font-size: 0.78rem;
    color: #6B7280;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
@media (max-width: 480px) {
    .tt-audio-player { gap: 12px; padding: 14px 16px; }
    .tt-audio-player__icon { display: none; }
    .tt-audio-player__time { display: none; }
}
ENDCSS
echo "CSS file written"
.tt-audio-player__note {
    font-size: 0.7rem;
    color: #9CA3AF;
    margin: 6px 0 0;
    font-style: italic;
}