* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

main {
    display: flex;
    max-width: 1500px;
    font-family: 'Times New Roman', Times, serif;
    background-color: #f4f4f4;
    max-width: 1500px;
}

main h1 {
    text-align: center;
    color: #008a5e;
}

.leftBar {
    width: 20%;
}

.rightBar {
    width: 20%;
    min-width: 260px;
}

.testContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 60%;
}

#paperCode {
    color: rgb(0, 123, 190);
    margin-bottom: 10px;
}

.testInfo {
    display: flex;
    flex-wrap: wrap;
    font-weight: bold;
    color: #00608c;
    border-bottom: 2px dashed gray;
    margin-bottom: 10px;
}

.testInfo1,
.testInfo2 {
    padding: 5px 15px;
}

@media(max-width: 420px) {

    .testInfo1,
    .testInfo2 {
        padding: 0px 15px;
    }

    .testInfo {
        justify-content: center;
        text-align: center;
        margin-bottom: 7px;
    }
}

.timerContainer {
    /* width: 100%; */
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 10px;
    z-index: 1;
}

.timer {
    width: 120px;
    background-color: #0faf00;
    color: #fff;
    font-size: 1.2em;
    text-align: center;
    padding: 10px;
    box-shadow: 0 0 10px #6f6f6f;
    border-radius: 17px;
}

#testForm {
    box-sizing: border-box;
    max-width: 1000px;
    /* margin: 20px; */
    padding: 20px;
    width: 100%;
    /* background-color: aquamarine; */
}

.questionSection {
    text-align: center;
    margin-bottom: 10px;
}

.popup h2 {
    color: #333;
    text-align: center;
    margin-bottom: 5px;
}

.question,
.PerformanceSummary {
    margin-bottom: 10px;
    background-color: #fff;
    padding: 20px;
    border-radius: 7px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    font-size: 18px;
    color: #3a3a3a;
}

.question{
  display: flex;
  flex-direction: column;
}

.questionBox {
    display: flex;
    margin-bottom: 20px;
}

.serialNo {
    margin-right: 5px;
}

.writeQuestion img {
    max-width: 90%;
}

.writeQuestion table {
    max-width: 90%;
    overflow-x: auto;
}

.options {
    display: flex;
    /* width: 100%; */
    flex-wrap: wrap;
}

.option {
    display: flex;
    width: 50%;
    padding: 10px;
    box-sizing: border-box;
}

@media(max-width: 500px) {
    .option {
        width: 100%;
    }
}

.optNo {
    margin-right: 7px;
}

.optBox {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 10px;
}

.optBox label {
    cursor: pointer;
}

/* .optWrite{
    z-index: 0;
} */

input {
    margin: 0 2px 0 20px;
    cursor: pointer;
    height: 15px;
    width: 15px;
}

.qButton {
    cursor: pointer;
    font-size: 16px;
    margin-left: 25px;
    padding: 5px 10px;
    /* font-family: 'Times New Roman', Times, serif; */
}

.ans {
    display: none;
}

.ansDisp {
    display: none;
    margin: 10px 0 10px 30px;
    color: #272727;
    font-weight: bold;
}

.explanation {
    margin: 0 -20px -20px -20px;
    padding: 10px;
    background-color: rgb(243, 247, 255);
    /* border: 1px solid rgb(3, 198, 0); */
    border-radius: 7px;
    display: none;
    order: 5;
}

.explanation::before {
    content: "Explanation:- ";
    font-weight: bold;
    float: left;
    color: rgb(0, 97, 73);
}

/* .qButton:hover{
    background-color: #0faf00;
    color: #fff;
} */
.revMarked {
    background-color: #a300a3;
    color: #fff;
}

.revBtn {
    border-radius: 2px;
    border: 1px solid #a300a3;
    /* box-shadow: 0 0 7px rgba(128, 0, 128, 0.571); */
}

.revBtn:active {
    background-color: #008a76;
}

@media(max-width: 535px) {
    .qButton {
        margin-top: 10px;
    }
}

@media(max-width: 780px) {
    .qButton {
        margin-top: 15px;
    }
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    /* border-bottom: 1px solid black; */
    border: 1px solid black;
    padding: 8px;
    text-align: left;
}

th {
    border-bottom: 2px solid black;
}


#resultSummery {
    text-align: center;
    display: none;
}

.performance-summary {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    /* For smooth scrolling on iOS */
}

.performance-summary table {
    max-width: 100%;
    /* Prevent table from exceeding container width */
    border-collapse: collapse;
    /* Ensure proper alignment */
    margin-bottom: 15px;
}

.performance-summary table td:nth-child(3) {
    background-color: #f8d7da;
    font-weight: bold;
}

.performance-summary table td:nth-child(4) {
    background-color: #e5fff5;
    /* Light blue background */
    color: #000000;
}

.performance-summary table td:nth-child(2) {
    background-color: #d4edda;
    font-weight: bold;
}

.performance-summary table td:nth-child(1) {
    background-color: #00608c;
    /* Light blue background */
    color: #fff;
}

.performance-summary table th,
.performance-summary table td {
    white-space: nowrap;
    /* Prevent text from wrapping */
    text-align: center;
}

.overall-score-table {
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    border-collapse: collapse;
    text-align: left;
    background-color: #f9f9f9;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.overall-score-table th,
.overall-score-table td {
    padding: 10px 15px;
    border: 1px solid #ddd;
}

.overall-score-table th {
    background-color: #f1f1f1;
    font-weight: bold;
}

.overall-score-table tr:nth-child(even) {
    background-color: #f1f1f1;
}

.overall-score-table td {
    color: #333;
    font-size: 17px;
}

#rankPrediction,
#rankPrediction2 {
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    color: #006064;
    padding: 10px 0;
}


@media(max-width: 700px) {
    .performance-summary table th {
        font-size: 12px;
    }
}








.questionNavContainer {
    position: fixed;
    bottom: 10px;
    right: var(--fixed-right, 20px);
    /* right: 20px; */
    display: flex;
    flex-wrap: wrap;
    width: 240px;
    margin-bottom: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    z-index: 99;
}

/* @media(max-width: 841px){
    .testContainer {
        width: calc(100% - 260px);
    }
    .questionNavContainer{
        right: var(--fixed-right, 10px);
    }
} */
/* .qBox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 25px;
    margin: 2px;
    text-align: center;
    line-height: 20px;
    border: 1px solid #000;
    cursor: pointer;
} */
.progressBoard {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 0 0;
    width: 80%;
    margin: auto;
}

.progressBoardDiv {
    display: flex;
    width: 25%;
}

#noOfAnswered {
    border: 2px solid gray;
    background-color: lightgreen;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin: 2px 7px 0 0;
}

#noOfRev {
    height: 10px;
    width: 12px;
    border-radius: 50%;
    border: 2px solid purple;
    margin: 2px 7px 0 0;
}

#noOfUnanswered {
    border: 2px solid gray;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin: 2px 7px 0 0;
}

#navRightCounter,
#navWrongCounter {
    display: none;
}

#noOfRightAns {
    border: 2px solid gray;
    background-color: #0c9600;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin: 2px 7px 0 0;
}

#noOfWrongAns {
    border: 2px solid gray;
    background-color: #ff0015;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin: 2px 7px 0 0;
}

.qBox {
    height: 25px;
    width: 30px;
    border: 2px solid gray;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 5px;
    background-color: #ffffff;
    cursor: pointer;
    border-radius: 3px;
}

.qBox.answered {
    background-color: #ceffce;
    color: #363636;
    font-weight: 600;
    /* border-radius: 50%; */
}

.qBox.rightQBox {
    background-color: #00a800;
    color: #fff;
    font-weight: 600;
    /* border-radius: 50%; */
}

.qBox.markForReview {
    border: 2px solid purple;
    border-radius: 50%;
}

/* .questionNavContainer{
    display: flex;
    justify-content: center;
    border: 1px solid #555;
} */
.navContainer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;

}

.navSubject {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* width: 90%; */
    padding: 5px 10px 0 10px;
}

#chemistryTab {
    display: none;
}

#zoologyTab {
    display: none;
}

#botanyTab {
    display: none;
}

.subjectButton {
    margin: 5px;
    cursor: pointer;
}

.subjectButtons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* margin-bottom: 10px; */
}

button.subjectButton {
    background-color: white;
    /* padding: 10px 20px; */
    margin: 5px;
    border: 2px solid #ccc;
    cursor: pointer;
    height: 40px;
    width: 100px;
    border-radius: 7px;
    /* box-shadow: 0 0 5px rgba(0, 0, 0, 0.166); */
}

button.subjectButton.active {
    background-color: green;
    color: white;
}

.atmToSubmit {
    display: flex;
    justify-content: center;
    width: 100%;
}

.menuButton {
    display: none;
}

#atmToSubmit,
#atmToSubmit2,
#questionNavContainerScore {
    background-color: rgb(0, 150, 120);
    margin: 5px;
    border: 2px solid #a8a8a8;
    cursor: pointer;
    height: 40px;
    width: 100px;
    border-radius: 7px;
    color: #fff;
}


.menuButton {
    background-color: #0000005f;
    border-radius: 50%;
    display: flex;
    height: 60px;
    width: 60px;
    padding: 10px;
    box-sizing: border-box;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

#navSubOpen {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    box-sizing: border-box;
}

.menuDot {
    height: 7px;
    width: 7px;
    background-color: #ffffff98;
    margin: 3px;
}

#navSubClose {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 40px;
    width: 40px;
}

#crossMenuBar1 {
    width: 40px;
    height: 7px;
    background-color: #fff;
    transform: rotate(45deg);
    margin-top: 5px;
    margin-bottom: -4px;
    border-radius: 3px;
}

#crossMenuBar2 {
    width: 40px;
    height: 7px;
    background-color: #fff;
    transform: rotate(-45deg);
    margin-bottom: 5px;
    margin-top: -3px;
    border-radius: 3px;
}

@media(min-width: 701px) {
    .menuButton {
        display: none;
    }
}


@media(max-width: 1100px) {
    .leftBar {
        display: none;
    }

    .testContainer {
        width: calc(100% - 260px);
    }
}

@media(max-width: 700px) {
    h1 {
        font-size: 22px;
        color: #008a5e;
    }

    .timer {
        font-size: 17px;
        width: 80px;
    }

    .questionNavContainer {
        display: none;
    }

    .leftBar {
        display: none;
    }

    .rightBar {
        display: none;
    }

    .testContainer {
        width: 100%;
    }

    .questionNavContainer {
        bottom: 30px;
    }

}

@media(max-width: 420px) {
    .qButton {
        margin-top: 10px;
    }

    #testForm {
        padding: 10px;
    }

    .question {
        padding: 10px;
    }

    .popup {
        width: 80%;
    }

    input {
        margin: 0 2px 0 25px;
        height: 18px;
        width: 18px;
    }

    .explanation {
        margin: 0 -10px -10px -10px;
        padding: 10px;
    }
}

.popup {
    display: none;
    flex-direction: column;
    align-items: center;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border: 1px solid #ccc;
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 400px;
}

.popup p {
    margin: 16px 0;
    text-align: center;
    font-size: 20px;
}

.overlay {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.popupBtn {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.popup button {
    /* margin: 5px; */
    /* padding: 10px 20px; */
    cursor: pointer;
    background-color: rgb(0, 150, 120);
    margin: 10px 5px 5px 5px;
    border: 2px solid #a8a8a8;
    cursor: pointer;
    height: 40px;
    width: 100px;
    border-radius: 7px;
    color: #fff;
}

.scoreDisplay {
    /* height: 100px;
    width: 200px; */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    font-weight: bold;
}

#scoreCard {
    display: none;
    width: 80%;
    max-width: 600px;
}

.SciencelessonLogo {
    width: 100%;
    display: flex;
    justify-content: center;
}

#ThankYou {
    color: #0faf00;
    font-size: 30px;
}

#rankPrediction,
#rankPrediction2 {
    text-align: center;
    color: #4a4a4a;
}

#rankPrediction b,
#rankPrediction2 b {
    color: #008a5e;
    font-size: 20px;
}

.popup img {
    width: 80%;
    max-width: 350px;
    margin-bottom: 5px;
}

.popup hr {
    width: 50%;
    /* height: 0.5px; */
    background-color: #a8a8a8;
    border: none;
    height: 1px;
}

#questionNavContainerScore {
    display: none;
    margin: 5px 65px 5px 5px;
}



.fullscreen-button {
    /* position: fixed; */
    float: left;
    margin: 11px 0 0 -55px;
    /* top: 10px; */
    /* right: 10px; */
    /* padding: 10px 20px; */
    cursor: pointer;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    opacity: 60%;
    background-color: #fff;
}

.fullscreen-button img {
    height: 25px;
    width: 25px;
}

.wrongQBox {
    background-color: #ff0015;
    color: #fff;
    font-weight: bold;
}

.answeredWrong {
    border: 1px solid #ff0015;
    background-color: #fff7f8;
}

.answeredWrong .ansDisp {
    color: red;
}

.answeredCorrect .ansDisp {
    color: #006503;
}

.answeredCorrect {
    border: 1px solid #008432;
    background-color: #f7fffb;
}

#startTestDiv {
  display: flex;
  height: 100vh;
  width: 100vw;
  justify-content: center;
  align-items: center;
  background-color: #00000074;
  position: sticky;
  top: 0;
  left: 0;
  backdrop-filter: blur(10px);
  z-index: 999;
  /* display: none; */
}

.startTestCard {
  position: fixed;
  background-color: #ffffff;
  z-index: 999;
  padding: 10px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 15px;
  width: 90%;
  max-width: 600px;

  h2 {
    text-align: center;
    color: #006169;
    margin: 10px 0;
  }

  ul li {
    list-style: none;
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #494949;

    strong {
      color: rgb(0, 82, 171);
    }
  }

  button {
    background-color: #009678;
    color: #ffffff;
    font-size: 1.2rem;
    margin: 5px;
    border: 2px solid #ccc;
    cursor: pointer;
    height: 40px;
    width: 100px;
    border-radius: 7px;
    transition: all 0.3s ease;
  }

  button:hover {
    background: #2575fc;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }
}

.explanation, .questionBox, .option{
  overflow-x: auto;
}



/* ── Support Us Banner ───────────────────────────────────────────── */

    .supportUsBanner {
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      text-align: center;
      margin: 28px auto;
      padding: 22px 28px;
      background: linear-gradient(135deg, #f0fdf3 0%, #e6f7f4 100%);
      border: 2px solid #009678;
      border-radius: 16px;
      max-width: 500px;
      position: relative;
      overflow: hidden;
    }

    /* Decorative shimmer stripe across the top */
    .supportUsBanner::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #12b230, #009678, #3f8cff, #009678, #12b230);
      background-size: 200% 100%;
      animation: shimmerBar 2.5s linear infinite;
    }

    .supportUsBanner.supportUsBannerVisible {
      display: flex;
      animation: bannerEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both,
        bannerPulse 2.2s ease-in-out 0.7s 3;
    }

    .supportUsText {
      margin: 0;
      font-size: 15px;
      color: #333;
      font-weight: 500;
    }

    .supportUsBtn {
      display: inline-block;
      background: linear-gradient(135deg, #12b230 0%, #009678 100%);
      color: #fff !important;
      text-decoration: none;
      padding: 11px 30px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 15px;
      letter-spacing: 0.4px;
      transition: transform 0.15s, box-shadow 0.2s;
      box-shadow: 0 4px 14px rgba(0, 150, 120, 0.4);
      animation: heartbeat 1.3s ease-in-out infinite;
    }

    .supportUsBtn:hover {
      transform: translateY(-3px) scale(1.04);
      box-shadow: 0 8px 20px rgba(0, 150, 120, 0.5);
    }

    .supportUsBtn:active {
      transform: translateY(0) scale(0.98);
    }

    /* ── Keyframes ───────────────────────────────────────────────────── */

    @keyframes bannerEntrance {
      from {
        opacity: 0;
        transform: translateY(28px) scale(0.95);
      }

      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @keyframes bannerPulse {

      0%,
      100% {
        box-shadow: 0 0 0 0 rgba(0, 150, 120, 0);
      }

      50% {
        box-shadow: 0 0 0 7px rgba(0, 150, 120, 0.16);
      }
    }

    @keyframes heartbeat {

      0%,
      100% {
        transform: scale(1);
        box-shadow: 0 4px 14px rgba(0, 150, 120, 0.40);
      }

      14% {
        transform: scale(1.1);
        box-shadow: 0 6px 20px rgba(0, 150, 120, 0.55);
      }

      28% {
        transform: scale(1);
        box-shadow: 0 4px 14px rgba(0, 150, 120, 0.40);
      }

      42% {
        transform: scale(1.07);
        box-shadow: 0 5px 18px rgba(0, 150, 120, 0.48);
      }

      56% {
        transform: scale(1);
        box-shadow: 0 4px 14px rgba(0, 150, 120, 0.40);
      }
    }

    @keyframes shimmerBar {
      0% {
        background-position: 200% 0;
      }

      100% {
        background-position: -200% 0;
      }
    }