.screen { display: none; }
.screen.active { display: block; }

.choice.selected {
    background-color: #a671f068;
}

.choice.selected .choice-label {
    color: #374151;
    font-weight: 600;
}

.choice.correct {
    border-color: #10b981;
    background: linear-gradient(to right, #10b981, #059669);
    color: white;
}
.choice.correct .choice-label {
    background-color: rgba(255, 255, 255, 0.3);
}
.choice.incorrect {
    border-color: #ef4444;
    background: linear-gradient(to right, #ef4444, #dc2626);
    color: white;
}
.choice.incorrect .choice-label {
    background-color: rgba(255, 255, 255, 0.3);
}

.review-choice {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}
.review-choice::before {
    content: '';
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    border: 2px solid;
    flex-shrink: 0;
}
.review-choice.correct {
    background-color: #10b981;
    color: white;
    border: 2px solid #059669;
    font-weight: 600;
}
.review-choice.correct::before {
    background-color: #059669;
    border-color: #047857;
    position: relative;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.review-choice.correct::after {
    content: '✓';
    position: absolute;
    left: 0.25rem;
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
}
.review-choice.incorrect {
    background-color: #ef4444;
    color: white;
    border: 2px solid #dc2626;
    font-weight: 600;
}
.review-choice.incorrect::before {
    content: '✗';
    position: absolute;
    left: 0.25rem;
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
}
.review-choice.user-answer {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #60a5fa;
}
.review-choice.user-answer::before {
    background-color: #2563eb;
    border-color: #1d4ed8;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.review-item {
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}
.review-item:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(255, 255, 255, 0.3);
}
.review-question {
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    line-height: 1.75;
}
.review-choices {
    display: grid;
    gap: 0.75rem;
}

/* 
.scrollbar-thin {
    scrollbar-width: thin;
}
.scrollbar-thin::-webkit-scrollbar {
    @apply w-2.5;
}
.scrollbar-thin::-webkit-scrollbar-track {
    @apply bg-white/10 rounded-full backdrop-blur-lg;
}
.scrollbar-thin::-webkit-scrollbar-thumb {
    @apply bg-gradient-to-b from-teal-600 to-teal-800 rounded-full border border-white/30;
}
.scrollbar-thin::-webkit-scrollbar-thumb:hover {
    @apply bg-gradient-to-b from-teal-500 to-teal-700 shadow-lg;
}
 */
 *::-webkit-scrollbar,
 *::-webkit-scrollbar-thumb {
   width: 40px;
   border-radius: 13px;
   background-clip: padding-box;
   border: 10px solid transparent;
 }
 
 *::-webkit-scrollbar-thumb {        
   box-shadow: inset 0 0 0 10px;
 }

/* Hide scrollbar buttons (up/down arrows) */
*::-webkit-scrollbar-button {
    display: none;
}

/* Custom Scrollbar for Question Review Section Only */
.scrollbar-thin::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.scrollbar-thin::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.scrollbar-thin::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

/* .scrollbar-thin::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ff4040 0%, #6b46c1 100%);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transform: scale(1.1);
} */

.scrollbar-thin::-webkit-scrollbar-thumb:active {
    background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

.scrollbar-thin::-webkit-scrollbar-corner {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

/* Hide scrollbar buttons for question review section */
.scrollbar-thin::-webkit-scrollbar-button {
    display: none;
}

/* Firefox scrollbar for question review */
.scrollbar-thin {
    scrollbar-width: thin;
    scrollbar-color: #667eea rgba(255, 255, 255, 0.05);
}