/**
 * Airi Blocks - Frontend Styles
 *
 * Styles for Airi Gutenberg blocks on the frontend.
 *
 * @package Airi
 * @since 3.5.2
 */

/* ==========================================================================
   AI Content Block

   Learning science-informed design:
   - Self-reference effect: "Your" pronoun activates self-referential processing
   - Mayer's Signaling: One clear signal (heading) is sufficient
   - Seamless integration: Personalization quality speaks for itself
   ========================================================================== */

.airi-content-block,
.airi-personal-callout {
    /* Seamless integration - no box, shadow, or border */
    /* Personalized content should feel native, not add-on */
    background: transparent;
    padding: 0;
    margin: 1.5em 0;
}

.airi-content-title,
.airi-personal-heading {
    /* Match H3 styling from Kadence theme */
    font-weight: 600;
    color: inherit;
    margin: 0 0 0.75em;
    padding-bottom: 0;
    border-bottom: none;
    /* Kadence H3 computed: 28px/36.4px - use rem for consistency with root font-size */
    font-size: var(--global-heading-3-font-size, 1.75rem);
    line-height: var(--global-heading-3-line-height, 1.3);
    font-family: var(--global-heading-font-family, inherit);
}

.airi-content-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px;
    color: #667eea;
}

.airi-content-loading .airi-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: airi-spin 0.8s linear infinite;
}

.airi-content-body,
.airi-personal-body {
    /* Inherit from page paragraph styling for seamless integration */
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

/* AI Content block paragraphs - match Kadence lesson paragraph styling
   Values derived from inspecting Kadence advancedheading paragraph blocks:
   - Regular Kadence P: 17px font, 32px line-height, 32px margin-bottom
   Note: Override Kadence's .single-content p:last-child { margin-bottom: 0 } */
.airi-content-body p,
.airi-personal-body p {
    font-size: 17px;
    line-height: 32px;
    font-family: var(--global-body-font-family, 'Plus Jakarta Sans', sans-serif);
    font-weight: 400;
    color: var(--global-palette4, #4a4a4a);
    margin-top: 0;
    margin-bottom: 32px;
}

/* Override Kadence theme's :last-child margin reset */
.single-content .airi-content-body p:last-child,
.airi-content-body p:last-child,
.single-content .airi-personal-body p:last-child,
.airi-personal-body p:last-child {
    margin-bottom: 32px;
}

/* Ensure strong and em tags match lesson styling */
.airi-content-body strong,
.airi-personal-body strong {
    font-weight: 700;
}

.airi-content-body em,
.airi-personal-body em {
    font-style: italic;
}

.airi-content-body.is-loaded + .airi-content-loading {
    display: none;
}

.airi-content-body:empty + .airi-content-loading {
    display: flex;
}

/* Date Badge for Dated Mode Content */
.airi-content-block--dated .airi-content-date-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf0 100%);
    color: #64748b;
    font-size: 12px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(100, 116, 139, 0.15);
}

.airi-content-block--dated .airi-content-date-badge::before {
    content: "\f017";
    font-family: dashicons;
    font-size: 14px;
    color: #94a3b8;
}

/* Context Date Shortcode */
.airi-context-date {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #64748b;
    font-size: 13px;
    font-weight: 500;
}

.airi-context-date::before {
    content: "\f017";
    font-family: dashicons;
    font-size: 14px;
}

/* ==========================================================================
   Knowledge Check Block
   ========================================================================== */

.airi-knowledge-check {
    background: linear-gradient(135deg, #f8f9fe 0%, #f0f2ff 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 16px;
    padding: 24px;
    margin: 24px 0;
}

.airi-kc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.airi-kc-header h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
}

.airi-kc-topic {
    font-size: 13px;
    font-weight: 500;
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    padding: 4px 12px;
    border-radius: 20px;
}

.airi-kc-config {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.airi-kc-type-badge {
    font-size: 11px;
    font-weight: 500;
    background: rgba(102, 126, 234, 0.12);
    color: #667eea;
    padding: 4px 10px;
    border-radius: 12px;
}

.airi-kc-body {
    text-align: center;
    padding: 20px 0;
}

.airi-kc-start {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.airi-kc-start:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.airi-kc-questions {
    padding-top: 20px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.airi-kc-question {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.airi-kc-question-text {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 16px;
}

.airi-kc-options {
    list-style: none;
    margin: 0;
    padding: 0;
}

.airi-kc-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: #f8f9fe;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.airi-kc-option:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

.airi-kc-option.is-selected {
    background: rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.airi-kc-option.is-correct {
    background: rgba(17, 153, 142, 0.15);
    border-color: #11998e;
}

.airi-kc-option.is-incorrect {
    background: rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
}

.airi-kc-results {
    text-align: center;
    padding: 24px;
}

.airi-kc-score {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.airi-kc-feedback {
    font-size: 16px;
    color: #4a4a68;
    margin-bottom: 20px;
}

/* ==========================================================================
   Progress Tracker Block
   ========================================================================== */

.airi-progress-tracker {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 24px;
    margin: 24px 0;
}

.airi-progress-tracker h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 20px;
}

.airi-progress-mastery {
    margin-bottom: 20px;
}

.airi-progress-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #4a4a68;
    margin-bottom: 8px;
}

.airi-progress-bar {
    height: 10px;
    background: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.airi-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #11998e 0%, #38ef7d 100%);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.airi-progress-streak {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(245, 87, 108, 0.1) 0%, rgba(240, 147, 251, 0.1) 100%);
    border-radius: 12px;
    margin-bottom: 20px;
}

.airi-streak-icon {
    font-size: 28px;
}

.airi-streak-count {
    font-size: 32px;
    font-weight: 700;
    color: #f5576c;
}

.airi-streak-label {
    font-size: 14px;
    color: #4a4a68;
}

.airi-progress-next ul {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
}

.airi-progress-next li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f5;
    font-size: 14px;
    color: #4a4a68;
}

.airi-progress-next li:last-child {
    border-bottom: none;
}

.airi-progress-next li::before {
    content: '\2192';
    color: #667eea;
    font-weight: bold;
}

/* ==========================================================================
   Login Prompt
   ========================================================================== */

.airi-progress-login {
    text-align: center;
    padding: 32px;
    background: #f8f9fe;
    border-radius: 12px;
    color: #4a4a68;
    margin: 24px 0;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes airi-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Generic Button Styles
   ========================================================================== */

.airi-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.airi-btn:hover {
    transform: translateY(-2px);
}

.airi-btn-primary {
    /* Use Kadence accent palette with safe fallbacks */
    --_accent: var(--airi-accent, var(--global-palette-highlight, #E54D2E));
    --_accent-alt: var(--airi-accent-hover, var(--global-palette-highlight-alt, #c0392b));
    background: linear-gradient(135deg, var(--_accent) 0%, var(--_accent-alt) 100%);
    color: var(--airi-btn-text, #fff);
}

.airi-btn-primary:hover {
    /* Shadow derived from accent with fallback */
    box-shadow: 0 6px 20px rgba(229, 77, 46, 0.35);
}

.airi-btn-secondary {
    background: var(--airi-surface-alt, var(--global-palette8, #f7f7f7));
    color: var(--airi-text-muted, var(--global-palette4, #4a4a68));
}

.airi-btn-secondary:hover {
    background: color-mix(in srgb, var(--airi-surface-alt, #f7f7f7), #000 6%);
}

/* ==========================================================================
   Lesson Quiz Block (Inline)
   ========================================================================== */

.airi-lesson-quiz {
    margin: 24px 0;
    /* Design tokens for the quiz block subtle colorful theme, mapped to Kadence */
    --airi-accent: var(--global-palette-highlight, #E54D2E);
    --airi-accent-hover: var(--global-palette-highlight-alt, #c0392b);
    --airi-text: var(--global-palette3, #1a1a2e);
    --airi-text-muted: var(--global-palette4, #4a4a68);
    --airi-surface: var(--global-palette9, #ffffff);
    --airi-surface-alt: var(--global-palette8, #f7f7f7);
    --airi-border: var(--global-palette7, #e5e7eb);
    --airi-info: var(--global-palette2, #667eea);
    --airi-success: var(--global-palette2a, #11998e);
    --airi-danger: var(--global-palette1, #e74c3c);
    --airi-quiz-header-bg: linear-gradient(180deg, color-mix(in srgb, var(--airi-accent), #fff 85%) 0%, color-mix(in srgb, var(--airi-accent), #fff 90%) 100%);
    --airi-quiz-surface-bg: linear-gradient(180deg, color-mix(in srgb, var(--airi-surface), var(--airi-info) 6%) 0%, color-mix(in srgb, var(--airi-surface), var(--airi-info) 3%) 100%);
    --airi-quiz-border: color-mix(in srgb, var(--airi-border), transparent 60%);
    --airi-quiz-title: var(--airi-text);
    --airi-quiz-muted: var(--airi-text-muted);
}

.airi-quiz-header {
    margin-bottom: 0; /* visually connect header to container */
    background: var(--airi-quiz-header-bg);
    padding: 16px 20px;
    border: 1px solid var(--airi-quiz-border);
    border-bottom: 0;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.airi-quiz-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--airi-quiz-title);
    margin: 0;
}

.airi-quiz-description {
    font-size: 14px;
    color: var(--airi-quiz-muted);
    margin: 6px 0 0;
}

/* Questions Container */
.airi-quiz-questions-container {
    background: var(--airi-quiz-surface-bg);
    border: 1px solid var(--airi-quiz-border);
    border-top: 0; /* join with header */
    border-radius: 0 0 12px 12px;
    padding: 20px;
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.05);
}

/* Single question at a time mode */
.airi-quiz-question {
    display: none;
}

.airi-quiz-question.is-active {
    display: block;
}

/* Survey mode - show all questions at once */
.airi-quiz-questions-container.show-all-questions .airi-quiz-question {
    display: block;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #eee;
}

.airi-quiz-questions-container.show-all-questions .airi-quiz-question:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* Question number for survey mode */
.airi-quiz-question-number {
    font-size: 12px;
    font-weight: 600;
    color: var(--airi-info, #667eea);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

/* Simple navigation for surveys */
.airi-quiz-navigation-simple {
    justify-content: center;
    border-top: none;
    padding-top: 24px;
}

.airi-quiz-navigation-simple .airi-quiz-submit-btn {
    padding: 14px 40px;
    font-size: 16px;
}

.airi-quiz-question-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--airi-quiz-title);
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Quiz Options - Clean list style like screenshot */
/* Using .airi-lesson-quiz prefix for higher specificity over theme styles */
.airi-lesson-quiz .airi-quiz-options,
.airi-lesson-quiz ul.airi-quiz-options {
    list-style: none !important;
    list-style-type: none !important;
    margin: 0 !important;
    padding: 0 !important;
    padding-left: 0 !important;
}

.airi-lesson-quiz .airi-quiz-options li,
.airi-lesson-quiz .airi-quiz-options li.airi-quiz-option {
    list-style: none !important;
    list-style-type: none !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
}

.airi-lesson-quiz .airi-quiz-options li::before,
.airi-lesson-quiz .airi-quiz-options li::marker,
.airi-lesson-quiz .airi-quiz-options li.airi-quiz-option::before,
.airi-lesson-quiz .airi-quiz-options li.airi-quiz-option::marker {
    content: none !important;
    display: none !important;
}

.airi-lesson-quiz .airi-quiz-option {
    display: flex !important;
    align-items: flex-start;
    gap: 12px;
    /* Ensure the (A) marker doesn't hug the left edge across opinionated themes */
    padding: 14px 16px 14px 24px !important; /* base inner left gutter */
    margin-bottom: 8px;
    background: #f8f9fe;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

/* Fallback with higher specificity in case themes target ul > li and override padding */
.airi-lesson-quiz ul.airi-quiz-options li.airi-quiz-option {
    padding-left: 24px !important;
}

.airi-lesson-quiz .airi-quiz-option:last-child {
    margin-bottom: 0;
}

.airi-lesson-quiz .airi-quiz-option:hover {
    background: color-mix(in srgb, var(--airi-info, #667eea), transparent 92%);
    border-color: color-mix(in srgb, var(--airi-info, #667eea), transparent 80%);
}

.airi-lesson-quiz .airi-quiz-option.is-selected {
    background: color-mix(in srgb, var(--airi-info, #667eea), transparent 88%);
    border-color: var(--airi-info, #667eea);
}

.airi-lesson-quiz .airi-quiz-option.is-correct {
    background: color-mix(in srgb, var(--airi-success, #11998e), transparent 88%);
    border-color: var(--airi-success, #11998e);
}

.airi-lesson-quiz .airi-quiz-option.is-incorrect {
    background: color-mix(in srgb, var(--airi-danger, #e74c3c), transparent 92%);
    border-color: var(--airi-danger, #e74c3c);
}

.airi-lesson-quiz .airi-quiz-option-marker {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 600;
    color: #666;
    transition: all 0.15s ease;
}

/* Add a tiny left margin so the badge never visually touches the card edge even if padding collapses */
.airi-lesson-quiz .airi-quiz-option .airi-quiz-option-marker {
    margin-left: 2px; /* visual breathing room */
}

.airi-lesson-quiz .airi-quiz-option.is-selected .airi-quiz-option-marker {
    background: var(--airi-info, #667eea);
    border-color: var(--airi-info, #667eea);
    color: #fff;
}

.airi-lesson-quiz .airi-quiz-option.is-correct .airi-quiz-option-marker {
    background: #11998e;
    border-color: #11998e;
    color: #fff;
}

.airi-lesson-quiz .airi-quiz-option.is-incorrect .airi-quiz-option-marker {
    background: #e74c3c;
    border-color: #e74c3c;
    color: #fff;
}

.airi-lesson-quiz .airi-quiz-option-text {
    flex: 1;
    font-size: 15px;
    line-height: 1.5;
    color: #333;
}

/* Feedback */
.airi-quiz-feedback {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.airi-feedback-correct {
    background: rgba(17, 153, 142, 0.1);
    color: #0d7d74;
}

.airi-feedback-incorrect {
    background: rgba(231, 76, 60, 0.08);
    color: #c0392b;
}

/* Navigation */
.airi-quiz-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.airi-quiz-prev-btn,
.airi-quiz-next-btn,
.airi-quiz-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.airi-quiz-submit-btn {
    /* Kadence theme accent color for consistency */
    background: linear-gradient(135deg, var(--airi-accent, #E54D2E) 0%, var(--airi-accent-hover, #c0392b) 100%);
}

.airi-quiz-submit-btn:hover {
    box-shadow: 0 4px 12px rgba(229, 77, 46, 0.4);
}

/* Progress Bar */
.airi-quiz-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.airi-quiz-progress-bar {
    flex: 1;
    height: 6px;
    background: #e5e5eb;
    border-radius: 3px;
    overflow: hidden;
}

.airi-quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.airi-quiz-progress-text {
    font-size: 13px;
    color: #666;
    white-space: nowrap;
}

/* Survey mode progress - shows "X of Y questions answered" */
.airi-quiz-survey-progress {
    text-align: center;
    margin-top: 16px;
    padding: 12px 16px;
    background: #f8f9fe;
    border-radius: 8px;
}

.airi-quiz-survey-progress-text {
    font-size: 14px;
    color: #666;
}

.airi-quiz-survey-progress-text .answered {
    font-weight: 600;
    color: #667eea;
}

/* Results Container */
.airi-quiz-results-container {
    text-align: center;
    padding: 32px 24px;
}

.airi-quiz-results-header {
    margin-bottom: 24px;
}

.airi-quiz-results-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.airi-quiz-results-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
}

.airi-quiz-results-score {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.airi-quiz-score-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.airi-quiz-score-circle svg {
    transform: rotate(-90deg);
}

.airi-score-bg {
    fill: none;
    stroke: #e5e5eb;
    stroke-width: 8;
}

.airi-score-fill {
    fill: none;
    stroke: #667eea;
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease;
}

.airi-score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    white-space: nowrap; /* keep "100%" on one line inside the 120px circle */
    line-height: 1;
}

.airi-quiz-score-details {
    text-align: left;
}

.airi-score-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.airi-score-label {
    font-size: 14px;
    color: #666;
    min-width: 80px;
}

.airi-score-correct {
    font-weight: 600;
    color: #11998e;
}

.airi-score-incorrect {
    font-weight: 600;
    color: #e74c3c;
}

.airi-quiz-results-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

/* Survey Completion Screen (for pAIRI and other assessments) */
.airi-survey-completion {
    text-align: center;
    padding: 40px 20px;
}

.airi-survey-completion-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border-radius: 50%;
    font-size: 32px;
    color: #fff;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(17, 153, 142, 0.25);
}

.airi-survey-completion-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 12px;
}

.airi-survey-completion-message {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin: 0 0 32px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.airi-survey-completion-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.airi-survey-continue-btn,
.airi-survey-done-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.airi-survey-continue-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.airi-survey-continue-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
    color: #fff;
    text-decoration: none;
}

.airi-survey-done-btn {
    background: #f0f0f5;
    color: #1a1a2e;
    border: none;
    cursor: pointer;
}

.airi-survey-done-btn:hover {
    background: #e5e5eb;
}

/* Review Container */
.airi-quiz-review-container {
    text-align: left;
    background: #f8f9fe;
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
}

.airi-quiz-review-container h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 16px;
}

.airi-review-question {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 12px;
}

.airi-review-question:last-child {
    margin-bottom: 0;
}

.airi-review-status {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 600;
}

.airi-review-status.is-correct {
    background: rgba(17, 153, 142, 0.15);
    color: #11998e;
}

.airi-review-status.is-incorrect {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.airi-review-content {
    flex: 1;
}

.airi-review-question-text {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.airi-review-your-answer {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
}

.airi-review-correct-answer {
    font-size: 13px;
    color: #11998e;
    margin-bottom: 4px;
}

.airi-review-explanation {
    font-size: 13px;
    color: #666;
    font-style: italic;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #eee;
}

/* Login Required */
.airi-quiz-login-required {
    text-align: center;
    padding: 40px 24px;
    background: #f8f9fe;
    border-radius: 12px;
}

.airi-quiz-login-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.airi-quiz-login-required h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 8px;
}

.airi-quiz-login-required p {
    font-size: 15px;
    color: #666;
    margin: 0 0 20px;
}

/* Loading State */
.airi-quiz-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    color: #667eea;
}

.airi-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: airi-spin 0.8s linear infinite;
}

/* Error State */
.airi-quiz-error {
    padding: 14px 16px;
    background: rgba(231, 76, 60, 0.08);
    border-left: 4px solid #e74c3c;
    color: #c0392b;
    font-size: 14px;
    margin-bottom: 16px;
    border-radius: 0 8px 8px 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 600px) {
    .airi-content-block,
    .airi-knowledge-check,
    .airi-progress-tracker {
        padding: 16px;
        margin: 16px 0;
    }

    .airi-kc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .airi-progress-streak {
        flex-wrap: wrap;
    }

    .airi-quiz-questions-container {
        padding: 16px;
    }

    .airi-quiz-results-score {
        flex-direction: column;
        gap: 20px;
    }

    .airi-quiz-score-details {
        text-align: center;
    }

    .airi-quiz-navigation {
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   Hide LifterLMS Default Quiz Results
   When an Airi quiz block is present in survey mode, hide LLMS results.
   We use multiple strategies for maximum browser compatibility.
   ========================================================================== */

/* Strategy 1: Body class added by PHP and JavaScript */
body.airi-survey-mode-active .llms-quiz-results,
body.airi-survey-mode-active .llms-quiz-result-wrapper,
body.airi-survey-mode-active .llms-quiz-result-message,
body.airi-survey-mode-active .llms-quiz-attempt-results,
body.airi-survey-mode-active .llms-quiz-complete-status,
body.airi-survey-mode-active .llms-donut-container,
body.airi-survey-mode-active .llms-donut,
body.airi-survey-mode-active .llms-quiz-ui,
body.airi-survey-mode-active .llms-quiz-grade-message,
body.airi-survey-mode-active .llms-quiz-passing-percent,
body.airi-survey-mode-active .llms-quiz-results-aside,
body.airi-survey-mode-active .llms-quiz-results-main,
body.airi-survey-mode-active .llms-quiz-results-title,
body.airi-survey-mode-active .llms-quiz-results-title h2,
body.airi-survey-mode-active .llms-quiz-results-history,
body.airi-survey-mode-active .llms-quiz-meta-info,
body.airi-survey-mode-active [data-llms-quiz-result] {
    display: none !important;
}

/* Strategy 2: :has() selector for modern browsers */
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-result-wrapper,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-result-message,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-attempt-results,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-complete-status,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-donut-container,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-donut,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-ui,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-grade-message,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-passing-percent,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results-aside,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results-main,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results-title,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results-title h2,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-results-history,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) .llms-quiz-meta-info,
body:has(.airi-lesson-quiz[data-survey-mode="true"]) [data-llms-quiz-result] {
    display: none !important;
}

/* Strategy 3: Sibling selector fallback for browsers without :has() */
.airi-lesson-quiz ~ .llms-quiz-results,
.airi-lesson-quiz ~ .llms-quiz-result-wrapper,
.airi-lesson-quiz + .llms-quiz-results,
.airi-lesson-quiz + .llms-quiz-result-wrapper {
    display: none !important;
}

/* Strategy 4: Hide LifterLMS notice elements and notifications */
body.airi-survey-mode-active .llms-notice,
body.airi-survey-mode-active .llms-sd-notification-center,
body.airi-survey-mode-active .llms-notification {
    display: none !important;
}

/* Strategy 4b: Hide all LifterLMS notification popups for survey mode */
body.airi-survey-mode-active [id^="llms-notification-"],
body.airi-survey-mode-active .llms-notification-content,
body.airi-survey-mode-active .llms-notification-wrapper,
body.airi-survey-mode-active .llms-notifications,
body.airi-survey-mode-active .llms-notification,
body.airi-survey-mode-active .llms-notification-main,
body.airi-survey-mode-active .llms-notification-aside,
body.airi-survey-mode-active .llms-sd-notification-center {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Aggressive notification hiding - catch quiz notifications globally */
/* These selectors target the specific LifterLMS notification structure */
[id^="llms-notification-"][style*="opacity: 1"],
.llms-notification.is-visible,
.llms-notification.llms-animated {
    animation: none !important;
    transition: none !important;
}

body.airi-survey-mode-active [id^="llms-notification-"] {
    animation: none !important;
    transition: none !important;
    transform: translateX(100%) !important;
}

/* Global hide for quiz-related notification popups on lesson pages */
/* This runs regardless of body class to catch notifications early */
body.single-lesson [id^="llms-notification-"],
body.single-lesson .llms-notification,
body.single-lesson .llms-notifications,
body.single-lesson .llms-notification-wrapper,
body.single-lesson .llms-sd-notification-center {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Also hide on quiz pages that are embedded in lessons */
body.single-llms_quiz [id^="llms-notification-"],
body.single-llms_quiz .llms-notification {
    display: none !important;
    visibility: hidden !important;
}

/* Hide quiz passed/failed notification popups that contain specific text */
body.airi-survey-mode-active [class*="notification"][class*="quiz"],
body.airi-survey-mode-active .llms-notification-title,
body.airi-survey-mode-active .llms-notification-body {
    display: none !important;
}

/* Strategy 5: Hide quiz content area results in lesson context */
body.airi-survey-mode-active .entry-content > .llms-quiz-results,
body.airi-survey-mode-active .lesson-content > .llms-quiz-results,
body.airi-survey-mode-active .llms-lesson-content > .llms-quiz-results {
    display: none !important;
}

/* Strategy 6: Extra guards for common wrapper groups the theme might add */
body.airi-survey-mode-active .entry-content .wp-block-group .llms-quiz-results,
body.airi-survey-mode-active .entry-content section .llms-quiz-results,
body.airi-survey-mode-active .entry-content .llms-quiz-wrapper,
body.airi-survey-mode-active .entry-content .llms-quiz-wrapper *[class*="results"] {
    display: none !important;
}

/* ==========================================================================
   LifterLMS Lesson Page Heading Hierarchy

   Ensures proper visual hierarchy:
   - Lesson title (H1/H2) = Large (entry-title)
   - Section headings (H3) = Smaller than title
   ========================================================================== */

/* Lesson page title - ensure it's prominently sized */
body.single-lesson .entry-title,
body.single-lesson h1.entry-title,
body.single-lesson h2.entry-title,
body.single-lesson .llms-lesson-title {
    font-size: var(--global-heading-2-font-size, 2.25rem) !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    margin-bottom: 0.5em !important;
}

/* H3 Section headings within lesson content - smaller than title */
body.single-lesson .entry-content h3,
body.single-lesson .entry-content .wp-block-kadence-advancedheading h3,
body.single-lesson .llms-lesson-content h3 {
    font-size: var(--global-heading-3-font-size, 1.5rem) !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
    margin-top: 1.5em !important;
    margin-bottom: 0.75em !important;
}

/* Ensure H2 in content (if used) is between title and H3 */
body.single-lesson .entry-content h2:not(.entry-title),
body.single-lesson .entry-content .wp-block-kadence-advancedheading h2 {
    font-size: var(--global-heading-2-font-size, 1.875rem) !important;
    font-weight: 600 !important;
    line-height: 1.25 !important;
    margin-top: 1.5em !important;
    margin-bottom: 0.75em !important;
}

/* ==========================================================================
   Audio Player Block

   Personalized audio player for lesson content.
   Features: play/pause, progress, volume, playback speed, transcript.

   @since 4.5.0
   ========================================================================== */

.airi-audio-player {
    --airi-audio-accent: var(--global-palette-highlight, #667eea);
    --airi-audio-accent-hover: var(--global-palette-highlight-alt, #5a67d8);
    --airi-audio-bg: var(--global-palette9, #ffffff);
    --airi-audio-surface: var(--global-palette8, #f7f7f7);
    --airi-audio-border: var(--global-palette7, #e5e7eb);
    --airi-audio-text: var(--global-palette3, #1a1a2e);
    --airi-audio-text-muted: var(--global-palette4, #4a4a68);

    background: var(--airi-audio-bg);
    border: 1px solid var(--airi-audio-border);
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.airi-audio-player.is-loading {
    opacity: 0.8;
}

.airi-audio-player.has-error {
    border-color: #e74c3c;
}

/* Audio Header */
.airi-audio-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.airi-audio-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--airi-audio-accent), var(--airi-audio-accent-hover));
    border-radius: 10px;
    color: #fff;
    font-size: 20px;
}

.airi-audio-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--airi-audio-text);
    margin: 0;
}

/* Loading State */
.airi-audio-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    gap: 12px;
}

.airi-audio-loading .airi-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: var(--airi-audio-accent);
    border-radius: 50%;
    animation: airi-spin 0.8s linear infinite;
}

.airi-audio-loading-text {
    font-size: 14px;
    color: var(--airi-audio-text-muted);
}

/* Audio Controls */
.airi-audio-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Main Controls Row */
.airi-audio-main-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Play Button */
.airi-audio-play-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--airi-audio-accent), var(--airi-audio-accent-hover));
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.airi-audio-play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.airi-audio-play-btn:active {
    transform: scale(0.98);
}

.airi-audio-play-btn .airi-audio-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Progress Container */
.airi-audio-progress-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Progress Bar */
.airi-audio-progress-bar {
    position: relative;
    height: 6px;
    background: var(--airi-audio-surface);
    border-radius: 3px;
    cursor: pointer;
    overflow: hidden;
}

.airi-audio-progress-bar:hover {
    height: 8px;
}

.airi-audio-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--airi-audio-accent), var(--airi-audio-accent-hover));
    border-radius: 3px;
    transition: width 0.1s linear;
}

/* Time Display */
.airi-audio-time {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--airi-audio-text-muted);
}

.airi-audio-current-time,
.airi-audio-duration {
    font-variant-numeric: tabular-nums;
}

/* Secondary Controls Row */
.airi-audio-secondary-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid var(--airi-audio-border);
}

/* Volume Control */
.airi-audio-volume {
    display: flex;
    align-items: center;
    gap: 8px;
}

.airi-audio-volume-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    color: var(--airi-audio-text-muted);
    transition: all 0.15s ease;
}

.airi-audio-volume-btn:hover {
    background: var(--airi-audio-surface);
    color: var(--airi-audio-text);
}

.airi-audio-volume-btn.is-muted {
    color: #e74c3c;
}

.airi-audio-volume-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--airi-audio-surface);
    border-radius: 2px;
    outline: none;
}

.airi-audio-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--airi-audio-accent);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.15s ease;
}

.airi-audio-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.airi-audio-volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--airi-audio-accent);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

/* Playback Speed */
.airi-audio-speed-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    background: var(--airi-audio-surface);
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--airi-audio-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.airi-audio-speed-btn:hover {
    background: var(--airi-audio-accent);
    color: #fff;
}

/* Generate Button */
.airi-audio-generate {
    text-align: center;
    padding: 24px;
}

.airi-audio-generate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--airi-audio-accent), var(--airi-audio-accent-hover));
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.airi-audio-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.airi-audio-generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.airi-audio-generate-info {
    margin-top: 12px;
    font-size: 13px;
    color: var(--airi-audio-text-muted);
}

/* Error State */
.airi-audio-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    text-align: center;
}

.airi-audio-error-icon {
    font-size: 32px;
}

.airi-audio-error-message {
    font-size: 14px;
    color: #c0392b;
}

.airi-audio-retry-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--airi-audio-surface);
    border: 1px solid var(--airi-audio-border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--airi-audio-text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.airi-audio-retry-btn:hover {
    background: #fff;
    border-color: var(--airi-audio-accent);
    color: var(--airi-audio-accent);
}

/* Not Available Info State (v5.4 — pre-generated audio) */
.airi-audio-not-available {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--airi-audio-surface);
    border-radius: 8px;
    margin: 8px 16px 16px;
}

.airi-audio-info-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.airi-audio-info-text {
    font-size: 14px;
    color: var(--airi-audio-text-muted);
    line-height: 1.4;
}

/* Audio Section Wrapper (v5.4) */
.airi-audio-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--global-palette7, #e5e7eb);
}

.airi-audio-section .airi-audio-player {
    margin-bottom: 16px;
}

.airi-audio-section .airi-audio-player:last-child {
    margin-bottom: 0;
}

/* Transcript Section */
.airi-audio-transcript {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--airi-audio-border);
}

.airi-audio-transcript-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    background: var(--airi-audio-surface);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--airi-audio-text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.airi-audio-transcript-toggle:hover {
    background: color-mix(in srgb, var(--airi-audio-surface), #000 5%);
}

.airi-audio-transcript-toggle .toggle-icon {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.airi-audio-transcript-toggle.is-expanded .toggle-icon {
    transform: rotate(180deg);
}

.airi-audio-transcript-content {
    display: none;
    margin-top: 12px;
    padding: 16px;
    background: var(--airi-audio-surface);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.airi-audio-transcript-segment {
    font-size: 14px;
    line-height: 1.6;
    color: var(--airi-audio-text);
    margin: 0 0 12px;
}

.airi-audio-transcript-segment:last-child {
    margin-bottom: 0;
}

/* Login Required */
.airi-audio-login-required {
    text-align: center;
    padding: 32px 24px;
    background: var(--airi-audio-surface);
    border-radius: 12px;
}

.airi-audio-login-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.airi-audio-login-required h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--airi-audio-text);
    margin: 0 0 8px;
}

.airi-audio-login-required p {
    font-size: 14px;
    color: var(--airi-audio-text-muted);
    margin: 0;
}

/* Responsive */
@media (max-width: 600px) {
    .airi-audio-player {
        padding: 16px;
    }

    .airi-audio-main-controls {
        flex-wrap: wrap;
    }

    .airi-audio-play-btn {
        width: 44px;
        height: 44px;
    }

    .airi-audio-secondary-controls {
        flex-wrap: wrap;
        gap: 12px;
    }

    .airi-audio-volume-slider {
        width: 60px;
    }
}

/* Editor Preview Styles */
.airi-audio-player-preview {
    background: var(--airi-audio-surface);
    border-radius: 8px;
    padding: 16px;
}

.airi-audio-player-preview-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.airi-audio-player-preview .preview-play-btn {
    width: 40px;
    height: 40px;
    background: var(--airi-audio-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.airi-audio-player-preview .preview-progress {
    flex: 1;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.airi-audio-player-preview .preview-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 35%;
    background: var(--airi-audio-accent);
    border-radius: 3px;
}

.airi-audio-player-preview .preview-time {
    font-size: 12px;
    color: #666;
}