.choicechips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.choicechip {
    padding: 10px 15px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}
.choicechip input {
    display: none;
}
.choicechip input:checked + span {
    color: #ff9966;
    font-weight: bold;
}
.choicechip:hover {
    background: rgba(255,255,255,0.2);
}

.dropdown-style {
    width: 100%;
    padding: 10px;
    background: rgba(0,0,0,0.5);
    color: white;
    border: 1px solid #ff9966;
    border-radius: 5px;
}

.slider-container {
    margin: 20px 0;
}
.slider {
    width: 100%;
}
.slider-labels {
    margin-top: 10px;
    font-size: 0.9em;
    color: #ccc;
}

.memorycard-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.memorycard {
    background-color: transparent;
    width: 200px;
    height: 150px;
    perspective: 1000px;
    cursor: pointer;
}
.memorycard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}
.memorycard.flipped .memorycard-inner {
    transform: rotateY(180deg);
}
.memorycard-front, .memorycard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid rgba(255,255,255,0.2);
}
.memorycard-front {
    background-color: rgba(255,255,255,0.1);
    color: white;
}
.memorycard-back {
    background-color: #ff9966;
    color: black;
    transform: rotateY(180deg);
}
.memorycard.selected .memorycard-inner {
    border: 2px solid #00ff00;
}
.correct-answer {
    color: #00ff00 !important;
    font-weight: bold;
}
.user-incorrect {
    color: #ff0000 !important;
    text-decoration: line-through;
}