/* General layout for MCQ pages */
.mcq-page-container {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
    max-width: 900px; /* Adjust as needed */
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
}

/* Styling for the selection block */
.mcq-selection-block {
    background-color: var(--color-card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: calc(var(--spacing-unit) * 2);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.mcq-selection-block .section-title {
    margin-top: 0;
    margin-bottom: var(--spacing-unit);
    font-size: 1.8rem;
    text-align: center;
}

/* Quiz Navigation and Timer */
.quiz-nav-timer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-unit);
    background-color: var(--color-card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: calc(var(--spacing-unit) * 1.5);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.question-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 0.5rem;
    padding-bottom: var(--spacing-unit);
    border-bottom: 1px solid var(--color-border);
}

.question-nav-grid button {
    background-color: var(--color-background);
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    font-weight: 500;
}

.question-nav-grid button:hover:not(:disabled) {
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.question-nav-grid button.current {
    background-color: var(--color-primary);
    color: var(--color-card-background);
    border-color: var(--color-primary);
}

.question-nav-grid button.answered {
    background-color: var(--color-success-background);
    border-color: var(--color-success);
    color: var(--color-success);
}

.question-nav-grid button.flagged {
    background-color: var(--color-error-background);
    border-color: var(--color-error);
    color: var(--color-error);
}

.question-nav-grid button.current.answered {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-card-background);
}

.question-nav-grid button.current.flagged {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-card-background);
}

.timer {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-dark);
    padding-top: var(--spacing-unit);
}

/* Quiz Questions Section */
.quiz-questions-section {
    background-color: var(--color-card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: calc(var(--spacing-unit) * 2);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
    max-height: 70vh; /* Limit height to enable scrolling */
    overflow-y: auto; /* Enable vertical scrolling */
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

.quiz-questions-section::-webkit-scrollbar {
    width: 8px;
}

.quiz-questions-section::-webkit-scrollbar-track {
    background: var(--color-background);
    border-radius: 10px;
}

.quiz-questions-section::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 10px;
}

.quiz-questions-section::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-light);
}

.question {
    margin-bottom: calc(var(--spacing-unit) * 2);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
    border-bottom: 1px solid var(--color-border);
}

.question:last-child {
    border-bottom: none;
    margin-bottom: var(--spacing-unit);
}

.question-text {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-unit);
    line-height: 1.6;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.options label {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    font-size: 1rem;
    color: var(--color-text-dark);
}

.options label:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.options input[type="radio"] {
    margin-right: 0.75rem;
    accent-color: var(--color-primary); /* Style radio button */
    transform: scale(1.1); /* Slightly larger radio button */
}

.options input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--color-primary);
}

.flag-container {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-unit);
}

.flag-btn {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.flag-btn:hover {
    color: var(--color-text-medium);
}

.flag-btn.flagged {
    color: var(--color-error);
}

/* Submit button for quiz */
.quiz-submit-btn {
    margin-top: calc(var(--spacing-unit) * 2);
    width: 100%;
}

/* Quiz History Page */
.quiz-history-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
}

.quiz-history-container .section-title {
    margin-top: 0;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.quiz-history-search {
    max-width: 600px;
    margin: 0 auto calc(var(--spacing-unit) * 2) auto;
}

.quiz-history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}

.quiz-card {
    background-color: var(--color-card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: calc(var(--spacing-unit) * 2);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Distribute space between items */
}

.quiz-card:hover {
    transform: translateY(-5px);
}

.quiz-card .feature-title {
    margin-top: 0;
    margin-bottom: var(--spacing-unit);
    font-size: 1.4rem;
    color: var(--color-primary);
}

.quiz-card p {
    margin-bottom: 0.5rem;
    color: var(--color-text-medium);
}

.quiz-card strong {
    color: var(--color-text-dark);
}

.quiz-card .rename-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: var(--spacing-unit);
}

.quiz-card .rename-form input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-background);
    color: var(--color-text-dark);
}

.quiz-card .rename-form button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.quiz-card .rename-feedback {
    margin-bottom: var(--spacing-unit);
    font-size: 0.9rem;
    text-align: center;
}

.quiz-card .btn-primary {
    margin-top: var(--spacing-unit);
    align-self: flex-start; /* Align button to the start */
}

.no-quizzes-message {
    text-align: center;
    color: var(--color-text-medium);
    margin-top: calc(var(--spacing-unit) * 3);
    font-size: 1.1rem;
}

/* Dark Mode Adjustments */
html[data-theme='dark'] .mcq-selection-block,
html[data-theme='dark'] .quiz-nav-timer,
html[data-theme='dark'] .quiz-questions-section,
html[data-theme='dark'] .quiz-card {
    background-color: var(--color-card-background);
    border-color: var(--color-border);
}

html[data-theme='dark'] .question-nav-grid button {
    background-color: var(--color-background);
    color: var(--color-text-dark);
    border-color: var(--color-border);
}

html[data-theme='dark'] .question-nav-grid button:hover:not(:disabled) {
    background-color: rgba(var(--color-primary-rgb), 0.15);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

html[data-theme='dark'] .question-nav-grid button.current {
    background-color: var(--color-primary);
    color: var(--color-text-dark);
    border-color: var(--color-primary);
}

html[data-theme='dark'] .question-nav-grid button.answered {
    background-color: var(--color-success-background);
    border-color: var(--color-success);
    color: var(--color-success);
}

html[data-theme='dark'] .question-nav-grid button.flagged {
    background-color: var(--color-error-background);
    border-color: var(--color-error);
    color: var(--color-error);
}

html[data-theme='dark'] .options label {
    background-color: var(--color-background);
    border-color: var(--color-border);
    color: var(--color-text-dark);
}

html[data-theme='dark'] .options label:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

html[data-theme='dark'] .quiz-card .rename-form input {
    background-color: var(--color-background);
    border-color: var(--color-border);
    color: var(--color-text-dark);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mcq-page-container, .quiz-history-container {
        padding: var(--spacing-unit);
    }

    .quiz-questions-section {
        max-height: 60vh; /* Adjust for smaller screens */
    }

    .quiz-history-grid {
        grid-template-columns: 1fr;
    }
}