/* Quiz/Practice Page Styles - Blue/Green/White Medical Theme */

/* Quiz Page Layout */
.quiz-page {
    background: white; /* Clean white background */
    min-height: 100vh;
}

/* Quiz Header */
.quiz-header {
    background: #eff6ff; /* Light Blue */
    padding: 1.5rem 0;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 2rem;
}

.quiz-title {
    color: #1e3a8a; /* Dark Navy Blue */
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.quiz-subtitle {
    color: #6b7280; /* Gray */
    margin: 0;
}

/* Timer Display */
.quiz-timer {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%); /* Green gradient */
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.quiz-timer.warning {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%); /* Orange gradient */
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
    animation: timer-pulse 2s ease-in-out infinite;
}

.quiz-timer.danger {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%); /* Red gradient */
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    animation: timer-pulse 1s ease-in-out infinite;
}

.quiz-timer i {
    font-size: 1.2rem;
}

/* Progress Bar */
.quiz-progress {
    background: #e5e7eb; /* Light Gray */
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.quiz-progress-bar {
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%); /* Blue gradient */
    height: 100%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* Question Card */
.question-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.question-number {
    color: #3b82f6; /* Blue */
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.question-text {
    color: #374151; /* Dark Gray */
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Answer Choices */
.answer-choices {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.answer-choice {
    background: white;
    border: 2px solid #e5e7eb; /* Light Gray border */
    border-radius: 10px;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.answer-choice:hover {
    border-color: #3b82f6; /* Blue */
    background: #eff6ff; /* Light Blue background */
    transform: translateX(5px);
}

.answer-choice.selected {
    border-color: #3b82f6; /* Blue */
    background: #eff6ff; /* Light Blue background */
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.answer-choice.correct {
    border-color: #10b981; /* Green */
    background: #ecfdf5; /* Light Green background */
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.answer-choice.incorrect {
    border-color: #dc2626; /* Red */
    background: #fef2f2; /* Light Red background */
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

.answer-choice.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.answer-choice-marker {
    width: 24px;
    height: 24px;
    border: 2px solid #d1d5db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: #6b7280;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.answer-choice:hover .answer-choice-marker,
.answer-choice.selected .answer-choice-marker {
    border-color: #3b82f6;
    background: #3b82f6;
    color: white;
}

.answer-choice.correct .answer-choice-marker {
    border-color: #10b981;
    background: #10b981;
    color: white;
}

.answer-choice.incorrect .answer-choice-marker {
    border-color: #dc2626;
    background: #dc2626;
    color: white;
}

.answer-choice-text {
    color: #374151; /* Dark Gray */
    font-weight: 500;
    line-height: 1.5;
}

/* Navigation Controls */
.quiz-navigation {
    background: #f9fafb; /* Light Gray background */
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    position: sticky;
    bottom: 0;
    z-index: 100;
}

.quiz-nav-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.quiz-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quiz-nav-btn.previous {
    background: #6b7280; /* Gray */
    color: white;
}

.quiz-nav-btn.previous:hover:not(:disabled) {
    background: #4b5563;
    transform: translateX(-2px);
}

.quiz-nav-btn.next {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); /* Blue gradient */
    color: white;
}

.quiz-nav-btn.next:hover:not(:disabled) {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    transform: translateX(2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.quiz-nav-btn.submit {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%); /* Green gradient */
    color: white;
}

.quiz-nav-btn.submit:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Question Navigator */
.question-navigator {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.question-navigator h6 {
    color: #1e3a8a; /* Dark Navy Blue */
    font-weight: 600;
    margin-bottom: 1rem;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 0.5rem;
}

.question-grid-item {
    width: 40px;
    height: 40px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
    color: #6b7280;
}

.question-grid-item:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

.question-grid-item.current {
    border-color: #3b82f6;
    background: #3b82f6;
    color: white;
}

.question-grid-item.answered {
    border-color: #10b981;
    background: #10b981;
    color: white;
}

.question-grid-item.flagged {
    border-color: #f97316;
    background: #f97316;
    color: white;
}

/* Quiz Actions */
.quiz-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.quiz-action-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid;
    background: white;
    cursor: pointer;
}

.quiz-action-btn.flag {
    border-color: #f97316;
    color: #f97316;
}

.quiz-action-btn.flag:hover {
    background: #f97316;
    color: white;
}

.quiz-action-btn.clear {
    border-color: #6b7280;
    color: #6b7280;
}

.quiz-action-btn.clear:hover {
    background: #6b7280;
    color: white;
}

/* Explanation Panel (for review mode) */
.explanation-panel {
    background: #ecfdf5; /* Light Green background */
    border: 1px solid #10b981;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.explanation-panel h6 {
    color: #059669; /* Dark Green */
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.explanation-text {
    color: #374151; /* Dark Gray */
    line-height: 1.6;
}

/* Quiz Statistics */
.quiz-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.quiz-stat-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.quiz-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6; /* Blue */
    margin-bottom: 0.25rem;
}

.quiz-stat-label {
    color: #6b7280; /* Gray */
    font-size: 0.875rem;
}

/* Quiz Session Styles */
.quiz-session-container {
    background: var(--bg-secondary);
    min-height: 100vh;
    padding-bottom: 2rem;
}

.quiz-header {
    background: white;
    padding: 1.5rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.quiz-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.quiz-info h1 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.quiz-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.quiz-meta .quiz-subject {
    color: var(--primary-green);
    font-weight: 600;
}

.progress-container {
    margin-top: 1rem;
}

.progress-bar {
    background: var(--gray-light);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    width: 100%;
}

.progress-fill {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    height: 100%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

/* Question Container (Quiz Session) */
.question-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.question-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-light-blue);
    border-bottom: 1px solid var(--border-color);
}

.question-number {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1rem;
}

.question-difficulty {
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.difficulty-easy {
    background: var(--green-light);
    color: var(--green-dark);
}

.difficulty-medium {
    background: var(--orange-light);
    color: var(--orange-dark);
}

.difficulty-hard {
    background: #fecaca;
    color: #dc2626;
}

.question-content {
    padding: 2rem;
}

.question-text {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.question-image {
    text-align: center;
    margin: 1.5rem 0;
}

.question-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

/* Answer Options (Quiz Session) */
.answer-options {
    padding: 0 2rem 2rem;
}

.options-grid {
    display: grid;
    gap: 1rem;
}

.option-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.option-card:hover {
    border-color: var(--primary-blue);
    background: var(--bg-light-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.option-card input[type="radio"] {
    display: none;
}

.option-card input[type="radio"]:checked + .option-content {
    color: var(--primary-blue);
}

.option-card:has(input[type="radio"]:checked) {
    border-color: var(--primary-blue);
    background: var(--bg-light-blue);
    box-shadow: var(--shadow-md);
}

.option-letter {
    background: var(--primary-blue);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.option-text {
    flex: 1;
    font-size: 1rem;
    line-height: 1.5;
}

.option-indicator {
    opacity: 0;
    color: var(--primary-green);
    font-size: 1.2rem;
    transition: opacity 0.3s ease;
}

.option-card:has(input[type="radio"]:checked) .option-indicator {
    opacity: 1;
}

/* Quiz Navigation */
.quiz-navigation {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.question-navigator {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    min-width: 250px;
}

.navigator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.navigator-header h4 {
    color: var(--primary-blue);
    margin: 0;
    font-size: 1rem;
}

.questions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.question-nav-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.question-nav-item:hover {
    border-color: var(--primary-blue);
    background: var(--bg-light-blue);
    color: var(--primary-blue);
    text-decoration: none;
}

.question-nav-item.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

.question-nav-item.answered {
    border-color: var(--primary-green);
    background: var(--bg-light-green);
    color: var(--primary-green);
}

.question-nav-item.flagged {
    border-color: var(--accent-orange);
    background: var(--orange-light);
    color: var(--accent-orange);
}

.question-nav-item.answered.flagged {
    background: linear-gradient(45deg, var(--bg-light-green) 50%, var(--orange-light) 50%);
}

/* Quiz Results Styles */
.quiz-results-container {
    background: var(--bg-secondary);
    min-height: 100vh;
    padding: 2rem 0;
}

.results-header {
    text-align: center;
    margin-bottom: 3rem;
}

.results-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.results-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.results-title {
    color: var(--primary-blue);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.quiz-topic {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.quiz-subject {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Score Summary */
.score-summary {
    max-width: 1000px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}

.score-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.main-score {
    padding: 2rem;
    text-align: center;
}

.score-circle {
    position: relative;
    margin-bottom: 2rem;
}

.circle-progress {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.circle-progress svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circle-fill {
    fill: none;
    stroke: var(--primary-green);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 0 251;
    transition: stroke-dasharray 1s ease-in-out;
}

.circle-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.score-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-grade {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.grade-letter {
    font-size: 3rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.grade-a { background: var(--green-light); color: var(--green-dark); }
.grade-b { background: var(--blue-light); color: var(--blue-dark); }
.grade-c { background: var(--orange-light); color: var(--orange-dark); }
.grade-d { background: #fecaca; color: #dc2626; }
.grade-f { background: #fee2e2; color: #dc2626; }

.grade-text {
    color: var(--text-muted);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Performance Analysis */
.performance-analysis {
    max-width: 1000px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}

.performance-analysis h3 {
    color: var(--primary-blue);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.analysis-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 2rem;
}

.analysis-card h4 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.difficulty-item,
.topic-item {
    margin-bottom: 1.5rem;
}

.difficulty-header,
.topic-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.difficulty-name,
.topic-name {
    font-weight: 600;
}

.difficulty-score,
.topic-score {
    color: var(--primary-blue);
    font-weight: 700;
}

.difficulty-progress,
.topic-progress {
    margin-bottom: 0.5rem;
}

.difficulty-details {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Question Review */
.question-review {
    max-width: 1000px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.review-header h3 {
    color: var(--primary-blue);
    margin: 0;
}

.review-filters {
    display: flex;
    gap: 0.5rem;
}

.review-filters .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.question-review-item {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.question-review-item .question-header {
    background: var(--bg-light-blue);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.question-review-item .question-status {
    font-size: 1.2rem;
}

.question-review-item .question-content {
    padding: 1.5rem;
}

.question-review-item .question-text {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.option-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    border: 1px solid transparent;
}

.option-item.correct {
    background: var(--bg-light-green);
    border-color: var(--primary-green);
}

.option-item.selected:not(.correct) {
    background: #fee2e2;
    border-color: #dc2626;
}

.option-item.selected.correct {
    background: var(--bg-light-green);
    border-color: var(--primary-green);
}

.option-indicators {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.question-explanation {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-light-blue);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.question-explanation h5 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Results Actions */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

/* Motivational Message */
.motivational-message {
    max-width: 600px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.message-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    text-align: center;
    border-left: 6px solid;
}

.message-card.success {
    border-left-color: var(--primary-green);
}

.message-card.good {
    border-left-color: var(--primary-blue);
}

.message-card.fair {
    border-left-color: var(--accent-orange);
}

.message-card.needs-work {
    border-left-color: #dc2626;
}

.message-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.message-card h4 {
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

/* Animations */
@keyframes timer-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .quiz-header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .quiz-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .question-navigator {
        order: -1;
        min-width: auto;
    }
    
    .questions-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .score-summary {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .review-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .results-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .results-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .option-card {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .question-nav-item {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .score-value {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}
