.itemName {
    text-transform: lowercase;
    font-weight: bold;
}

#contentTitle .itemName {
    text-transform: none;
}

#systemName {
    text-transform: lowercase;
}

#challengeDesc {
    text-align: left;
}

#interactive h2 + p {
    margin-bottom: 1rem;
}

#testWrapper {
    text-align: left;
    clear: both;
    /* margin-bottom: 2rem; */
    display: flex;
    gap: 1rem;
    align-items: center;
}

#testWrapper button {
    font-size: 1.2rem;
}

#missingItem {
    background-color: var(--red);
    margin: 0;
}

#missingItem.hide {
    display: none;
}

#tabScreenInnerWrap {
    position: relative;
}

#modelCaption {
        position: absolute;
    top: 65%;
    border: 1px solid black;
    border-radius: 5px;
    padding: 10px;
    background: rgba(255, 255, 255, .8);
    /* background-color: var(--mid-blue); */
    border-color: var(--dark-blue);
    /* color: white; */
    /* border-width: 2px; */
    box-shadow: 0 0 5px rgba(0, 0, 0, .2);
}

/* tabs -------------------------------------- */
#tabs {
    margin: 0 2rem 0 .5rem;
}

.contentHeaderTab,
.contentHeaderTab.selected {
    width: auto;
    flex: 1 1 auto;
    align-items: flex-end;
    margin-right: 0;
    margin-left: 0;
}

.contentHeaderTab.selected {
    height: 111px;
}

.contentHeaderTab h3
{
    font-size: 1.5rem;
    border-radius: 1rem 1rem 0 0;
    margin-top: 0;
    color: var(--dark-blue);
    height: auto;
    padding: 5px 20px;
    margin-bottom: 10px;
}

.contentHeaderTab.selected h3 {
    font-size: 2rem;
    height: 3rem;
    padding: 10px 20px 0 20px;
    margin-bottom: 0;
}

.inversecurve {
    margin-bottom: 10px;
}

/* part selectors -------------------------------------- */
#parts {
    display: flex;
    flex-wrap: wrap;
    margin-left: 2.5rem;
    gap: 1rem;
    clear: both;
}

#parts .part {
    flex: 1 1 calc(33% - 1rem);
    display: block;
    text-align: left;
    background-color: var(--light-blue);
    border-radius: .5rem;
    border: 3px solid #c2cfda;
    display: flex;
    align-items: center;
    justify-items: stretch;
    cursor: pointer;
    padding: .5rem;
    gap: 10px;
    box-sizing: border-box;
}

#parts .part.hide {
    display: none;
}

#parts .checked,
#parts .unchecked,
#parts .wrong {
    font-size: 2rem;
    border-radius: 50%;
    background: var(--dark-blue);
    height: 32px;
    width: 32px;
    display: block;
    line-height: 0;
    border: 3px solid var(--light-blue);
    color: #c2cfda;
    background: white;
}

#parts .checked {
    color: white;
    /* background: var(--dark-blue); */
    border-color: var(--dark-blue);
    color: var(--ngss-green);
    background: white;
}

#parts .wrong {
    color: white;
    border-color: var(--dark-red);
    background-color: var(--dark-red);
}

#parts .part.selected {
    background-color: var(--mid-blue);
    border-color: var(--dark-blue);
    color: white;
}

#parts .part.selected.mistake {
    background-color: var(--red);
    border-color: var(--dark-red);
}

#parts .part:not(.selected) .checked,
#parts .part.selected .unchecked,
#parts .part:not(.selected) .wrong,
#parts .part:not(.mistake) .wrong {
    display: none;
}

#parts .part.selected .checked,
#parts .part .unchecked {
    display: block;
}

#parts .part.mistake .checked {
    display: none;
}

#parts .part .partLabel {
    font-weight: bold;
    flex: 1 1 auto;
    font-size: 1.2rem;
    user-select: none;
}

#parts .part .partLabel .definition {
    font-weight: normal;
    font-size: .8rem;
    display: none;
}

#parts.showDefinitions .part .partLabel .definition {
    display: block;
}

#parts .part img {
    flex: 0 0 50px;
    background-color: white;
    border: 3px solid #c2cfda;
    border-radius: 50%;
}

#parts .part.selected img {
    border-color: var(--dark-blue)
}

#parts .part.selected.mistake img {
    border-color: var(--dark-red);
}

#hint {
    font-size: .8rem;
    float: right;
    margin-bottom: 1rem;
    /* background-color: var(--mid-blue); */
}

/* #hint:hover {
    background-color: var(--mid-blue-lighter);
} */

/* results -------------------------------------- */

#content.complete {
    /* display: flex; */
}

#content.complete #hint {
    display: none;
}

.complete #parts .partLabel .definition {
    display: block;
}

.complete #parts {
    flex-direction: column;
    clear: none;
}

.complete #parts .part {
    flex: 1 1 auto;
}

#resultText {
    /* border: 3px solid var(--mid-orange); */
    margin-bottom: 1rem;
    /* padding: 1rem; */
    /* border-radius: 1rem; */
    /* background: var(--yellow); */
    display: flex;
}

#resultText p {
    margin-bottom: .2rem;
}

#result .imgholder {
   width: 100%;
   max-width: 100%;
}

.complete #resultImgHolder {
    display: block;
    float: left;
    margin-left: 2.5rem;
    margin-right: 1rem;
    width: 450px;
}

.complete #resultImgHolder h3 {
        border-radius: 3px 3px 0 0;
    background: var(--mid-blue);
    color: white;
    padding: 10px 15px;
    border-bottom: 1px solid var(--dark-blue);
}

.complete #resultImgHolder img {
    border-radius: 0;
    background-color: #eaf2f9;
}

#resultImgHolder {
    display: none;
}

@media screen and (max-width: 1170px) {
    #parts .part {
        flex-basis: 45%;
    }
}


@media screen and (max-width: 1100px) {
  /* CSS rules to apply when the viewport width is 600px or less */
  .complete #parts {
    clear: left;
  }

  .complete #resultImgHolder  {
    margin-left: auto;
    margin-right: auto;
    float: none;
    margin-bottom: 2rem;
    width: 350px;
  }
}

@media screen and (max-width: 950px) {
    #parts .part {
        flex-basis: 95%;
    }

    #hint {
        margin-top: 1rem;
    }
}

@media screen and (max-width: 810px) {
    #contentWrapper {
        flex-direction: column;
    }

    #contentBody {
        order: 1;
    }

    #tabScreen {
        order: 2;
    }
}