body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #eee8d5; /* Light blue-gray, suitable for academic context */
}
.container {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center;
    align-items: center;
}
.question {
    display: flex;
    flex-direction: column;
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 100px;
    color: #2d3748; /* Dark gray for readability */
    justify-content: center;
    align-items: center;
    text-align: center;
}
.text-container {
    display: flex;
    flex-direction: row; /* horizontal layout */
    justify-content: center;
    align-items: flex-start;
    gap: 50px; /* space between options */
    width: 100%;
    margin-bottom: 40px;
}

/* Each option: stack text and button vertically, center them */
.option {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 400px; /* fixed width for consistency */
}

/* Style for stimulus text boxes */
#text {
    border: 2px solid #8912c0;
    border-radius: 8px;
    background: #fff;
    width: 360px;
    height: 200px;
    padding: 18px;
    font-size: 18px;
    color: #2d3748;
    margin-bottom: 18px;
    overflow-y: auto;
    box-sizing: border-box;
    text-align: left;
    word-break: break-word;
}
#progressBar {
    position: fixed;
    bottom: 0;
    left: 0;
    height: 15px;
    width: 0%;
    background-color: #8912c0; /* Green */
    transition: width 0.5s ease;
}
@keyframes fadeOutUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-100px);
    }
}
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-out {
    animation: fadeOutUp 0.5s forwards;
}
.fade-in {
    animation: fadeInDown 0.5s forwards;
}
@keyframes fadeOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px); /* Move to right when fading out */
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px); /* Start from left when fading in */
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInBlurScale {
    from {
        opacity: 0;
        filter: blur(8px);
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        filter: blur(0px);
        transform: scale(1);
    }
}

.fade-out-horizontal {
    animation: fadeOutRight 0.5s forwards;
}

.fade-in-horizontal {
    animation: fadeInBlurScale 0.5s forwards;
}

#rest {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* display: flex; */
    justify-content: center;
    align-items: center;
}

#restContent {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    width: 300px;
}

#continueButton {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
    border: 3px solid #52c41a;
    border-radius: 4px;
}

#continueButton:hover {
    cursor: pointer;
    border: 3px solid #8912c0;
}

#submit_button {
    margin-top: 0;
    margin-bottom: 0;
    width: 120px;
    height: 45px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    background-color: #ffffff;
    border: 2px solid #ffffff;
}
#submit_button:hover {
    border: 2px solid #8912c0; 
}
#submit_button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}
#button_highlight {
    border: 2px solid #8912c0;
    background-color: #8912c0; /* Purple background */
    color: white; 
}

#instructions {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* display: flex; */
    justify-content: center;
    align-items: center;
}
#insContent {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    align-items: center;
    justify-content: space-between;
    width: 80%;
    min-height: 300px;
    max-height: 90vh; 
    overflow-y: auto;
    overflow-x: hidden;
}
#insContent p {
    word-wrap: break-word;    
    overflow-wrap: break-word;
}
#consentButton {
    border: 3px solid #52c41a;
    background-color: #52c41a;
    width: 100px;
    margin-top: 10px;
    padding: 5px 20px;
    font-size: 16px;
    border-radius: 4px;
}
#declineButton {
    border: 3px solid #bfc4bc;
    background-color: #bfc4bc;
    color: #ff4d4f;
    width: 150px;
    margin-top: 10px;
    padding: 5px 20px;
    font-size: 16px;
    border-radius: 4px;
}
#consentButton:hover, #declineButton:hover {
    border: 3px solid #000000;
    cursor: pointer;
}
/* ...existing code... */
#rating_slider {
  -webkit-appearance: none;
  width: 300px;
  height: 10px;
  background: #e0e0e0;
  border-radius: 5px;
  outline: none;
  margin: 20px 0;
}

/* Chrome, Safari, Opera */
#rating_slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 6px;
  height: 28px;
  border-radius: 3px;
  background: #8912c0;
  border: none;
  margin-top: -9px; /* Center thumb vertically */
  cursor: pointer;
}

/* Firefox */
#rating_slider::-moz-range-thumb {
  width: 6px;
  height: 28px;
  border-radius: 3px;
  background: #8912c0;
  border: none;
  cursor: pointer;
}

/* IE */
#rating_slider::-ms-thumb {
  width: 6px;
  height: 28px;
  border-radius: 3px;
  background: #8912c0;
  border: none;
  cursor: pointer;
}

/* Track styles for all browsers */
#rating_slider::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: 5px;
  background: #e0e0e0;
}
#rating_slider::-moz-range-track {
  height: 10px;
  border-radius: 5px;
  background: #e0e0e0;
}
#rating_slider::-ms-fill-lower,
#rating_slider::-ms-fill-upper {
  background: #e0e0e0;
  border-radius: 5px;
}

/* Remove outline on focus */
#rating_slider:focus {
  outline: none;
}
/* ...existing code... */