/* ===== ЗАГРУЗКА И ИНДИКАТОРЫ ===== */
.tracks-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #666;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #333;
    border-top: 2px solid #666;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 12px;
}

.loading-text {
    font-size: 14px;
    color: #888;
}

.tracks-loading.hidden {
    display: none;
}

/* S3 статус индикация */
.header-play-random-btn.s3-loading {
    opacity: 0.6;
    cursor: wait;
}

.header-play-random-btn.s3-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #00ff00;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.play-action-btn .play-circle.s3-loading {
    opacity: 0.6;
    position: relative;
}

.play-action-btn .play-circle.s3-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 15px;
    height: 15px;
    margin: -7.5px 0 0 -7.5px;
    border: 2px solid transparent;
    border-top: 2px solid #00ff00;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}