.hidden {
    display: none !important;
}

.center-block {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#player {
    /* margin: 20px auto; */
    text-align: center;
}

#player button {
    padding: 10px 20px;
    margin: 0 5px;
    font-size: 16px;
    cursor: pointer;
}

.progress {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 66%;
}

.progress-bar {
    transition: width 2s linear !important;
}

#volume-control {
    margin: 10px auto;
    width: 200px;
    display: flex;
    align-items: center;
}

#volumeSlider {
    flex-grow: 1;
}

#volumeIcon {
    margin-left: 10px;
}

#current-team-ind {
    font-size: large;
    text-align: center;
    font-weight: bold;
    padding: 5px 10px;
    background: #f0f0f0;
    border-radius: 4px;
}

.timeline-label {
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;
}

.team-timeline {
    margin: 20px 0;
    border-left: 4px solid #007BFF;
    padding-left: 10px;
}

#timeline-team2 {
    border-color: #28A745;
}

.timeline {
    position: relative;
    height: 80px;
    width: 100%;
    background: #f9f9f9;
    border-radius: 4px;
    margin: 10px 0;
    border: 1px solid #ddd;
}

.year {
    position: absolute;
    top: 10px;
    transform: translateX(-50%);
    padding: 2px 6px;
    background: #007BFF;
    color: white;
    border-radius: 4px;
    font-size: 0.9em;
    white-space: nowrap;
    user-select: none;
}

.guess-zone {
    position: absolute;
    top: 30px;
    height: 50px;
    background: rgba(0, 123, 255, 0.1);
    cursor: pointer;
    border-right: 1px dashed #bbb;
    box-sizing: border-box;
}

.guess-zone:last-child {
    border-right: none;
}

.guess-zone:hover {
    background: rgba(0, 123, 255, 0.3);
}

#timeline-team2 .year {
    background: #28A745;
}

#timeline-team2 .guess-zone {
    background: rgba(40, 167, 69, 0.1);
}

#timeline-team2 .guess-zone:hover {
    background: rgba(40, 167, 69, 0.3);
}