/* public/css/lesson-interface.css */

/* Question Display Area */
.question-container {
    background-color: #f8f9fa; /* Light background */
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.question-question-text {
    font-size: 1.25rem; /* Adjust size */
    font-weight: 500; /* Medium weight */
    margin-bottom: 1rem; /* Space below */
}

#questionQuestionContainer {
    min-height: 150px; /* Prevent collapsing */
}

/* Progress Bar */
.progress-container {
    margin-bottom: 1.5rem;
    padding: 0.5rem;
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: 0.375rem; /* Match Bootstrap's default */
}

.progress {
    height: 25px; /* Make progress bar thicker */
    font-size: 0.85rem; /* Adjust font size inside */
}

.progress-bar {
    transition: width 0.6s ease; /* Smooth transition */
}

/* Intro Area */
#IntroArea {
    background-color: var(--bs-tertiary-bg); /* Light gray default */
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: opacity 0.5s ease-in-out, transform 0.3s ease-out; /* Add transform */
    opacity: 1;
    transform: translateY(0);
}

#IntroArea.d-none { /* Use d-none from base.css for layout shifting */
    opacity: 0;
    transform: translateY(-10px); /* Slight upward move on hide */
    pointer-events: none; /* Prevent interaction when hidden */
}

.intro-image-container {
    min-height: 200px; /* Ensure space even if image is hidden */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bs-tertiary-bg); /* Light background for placeholder */
    border-radius: 0.375rem; /* Match Bootstrap's rounded */
}

#introSentenceImage {
    transition: opacity 0.3s ease-in-out; /* Fade effect */
    object-fit: contain; /* Fit image within bounds without stretching */
    max-height: 250px; /* Match blade */
}

#introSentenceImage.hidden {
    opacity: 0;
    display: none; /* Hide completely when no image */
}

#introSentenceImage:not(.hidden) {
    display: block; /* Show when image is set */
    opacity: 1;
}

/* Style for the intro text container */
#partIntroTextContainer {
    line-height: 1.8; /* Increase line spacing for readability */
    font-size: 1.1rem; /* Slightly larger font */
}

/* Styling for highlighted sentence */
.intro-sentence {
    margin-right: 0.2em; /* Add a small margin-right if sentences run together */
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    padding: 0.1em 0.2em; /* Subtle padding */
    border-radius: 0.2rem; /* Subtle rounding */
}

.intro-sentence.highlight {
    background-color: rgba(var(--bs-primary-rgb), 0.2); /* Light blue background */
    color: var(--bs-primary-text-emphasis); /* Ensure contrast */
    box-shadow: 0 0 5px rgba(var(--bs-primary-rgb), 0.3);
}

/* Question Area Transition */
#questionArea {
    transition: opacity 0.5s ease-in-out, transform 0.3s ease-out;
    opacity: 1;
    transform: translateY(0);
}

#questionArea.d-none { /* Use d-none from base.css for layout shifting */
    opacity: 0;
    transform: translateY(10px); /* Slight downward move on hide */
    pointer-events: none;
}

/* Completion Message */
#completionMessage, #partCompletionMessage {
    text-align: center;
    padding: 2rem;
    background-color: var(--bs-success-bg-subtle);
    border: 1px solid var(--bs-success-border-subtle);
    border-radius: 0.5rem;
    transition: opacity 0.5s ease-in-out;
    opacity: 1;
}

#completionMessage.d-none, #partCompletionMessage.d-none {
    opacity: 0;
    pointer-events: none;
}

/* Feedback Section */
.feedback-section {
    border-left: 4px solid var(--bs-info); /* Use info color for feedback border */
    padding-left: 15px;
    margin-top: 15px;
}

/* Feedback Modal button */
#playFeedbackModalButton {
    margin-top: 0.5rem;
}

/* Reading Highlight (used in intro) */
.reading-highlight {
    color: #0d6efd;
    background-color: #e7f1ff;
    transition: background-color 0.3s ease;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    border-color: #0d6efd;
}

/* Auto Play Switch (Specific to this interface - moved from blade) */
.auto-play-switch-container {
    position: fixed; /* Or adjust as needed */
    bottom: 1rem;
    left: 1rem;
    z-index: 1040;
    background: rgba(var(--bs-body-bg-rgb), 0.8);
    padding: 0.4rem 0.6rem;
    border-radius: 0.375rem;
    backdrop-filter: blur(3px);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}
.answer-btn.keyboard-focus {
    outline: 3px solid var(--bs-primary-border-subtle);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.5);
    border-color: var(--bs-primary);
}