#progressBar {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 14px
}

#progressBar > input[type="text"] {
    width: 60px;
    font-family: 'A2Z', sans-serif;
    font-weight: 200;
    font-size: 20px;
    margin: 0;
    padding: 0;
    background-color: transparent;
    color: white;
    user-select: none;
}

#progressBar > #currentTime {
    text-align: right;
}

#progressBar > #endTime {
    text-align: left;
}

#progressBar > #body {
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background-color: rgba(255, 255, 255, 0.2);
}

#progressBar > #body > #fill {
    transition: width 0.1s linear;
    will-change: width;
    position: relative;
    display: block;
    width: 0%; /* 스크립트로 제어 */
    height: 2px;
    border-radius: 2px;
    background-color: white;
}

#progressBar > #body > #fill > #thumb {
    position: absolute;
    top: -2px;
    right: -2px;
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 6px;
    background-color: white;
}

#partIndicator-triangle {
    position: absolute;
    bottom: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    opacity: 0;
    pointer-events: none;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#partIndicator-triangle.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

#partIndicator-triangle::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: white;
}

#partIndicator {
    background: white;
    color: #1a1a1a;
    padding: 4px 6px;
    border-radius: 6px;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}