/**
 * Module Styles
 *
 * Styles for learning module pages including 2-column layout,
 * sticky sidebar, mobile hamburger menu, quizzes, activities, and feedback.
 *
 * @package Genetics_Learning_Hub
 * @since 1.0.0
 */

/* ==========================================================================
   Module Layout - 2 Column with Sidebar
   ========================================================================== */

.glh-module-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    position: relative;
}

/* Mobile header - hidden on desktop */
.glh-mobile-header {
    display: none;
}

/* Sidebar overlay - hidden on desktop */
.glh-sidebar-overlay {
    display: none;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.glh-module-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    background: #fff;
    border-right: 1px solid var(--glh-color-border, #e5e7eb);
    z-index: 100;
}

.glh-sidebar-header {
    padding: var(--glh-spacing-lg, 24px);
    border-bottom: 1px solid var(--glh-color-border, #e5e7eb);
    position: relative;
}

.glh-sidebar-close {
    display: none;
}

.glh-sidebar-title {
    font-size: var(--glh-font-size-sm, 14px);
    font-weight: 500;
    color: var(--glh-color-text-light, #6B6B6B);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 var(--glh-spacing-md, 16px);
}

.glh-progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--glh-spacing-sm, 8px);
}

.glh-module-name {
    font-size: var(--glh-font-size-base, 16px);
    font-weight: 600;
    color: var(--glh-color-primary, #D50F67);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.glh-progress-count {
    font-size: var(--glh-font-size-sm, 14px);
    font-weight: 500;
    color: var(--glh-color-text-light, #6B6B6B);
    white-space: nowrap;
}

/* Sidebar Navigation */
.glh-sidebar-nav {
    padding: var(--glh-spacing-md, 16px) 0;
}

.glh-nav-item {
    display: flex;
    align-items: center;
    gap: var(--glh-spacing-sm, 8px);
    padding: var(--glh-spacing-sm, 8px) var(--glh-spacing-lg, 24px);
    color: var(--glh-color-text, #333435);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.glh-nav-item:hover {
    background: var(--glh-color-background-alt, #f8f9fa);
}

.glh-nav-item.is-current {
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.1);
    color: var(--glh-color-primary, #D50F67);
}

.glh-nav-item.is-current::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--glh-color-primary, #D50F67);
}

.glh-nav-item.is-completed {
    color: var(--glh-color-text-light, #6B6B6B);
}

.glh-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: currentColor;
    flex-shrink: 0;
}

.glh-nav-title {
    flex: 1;
    font-size: var(--glh-font-size-sm, 14px);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.glh-nav-status {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Progress status icons */
.glh-status-check {
    color: var(--glh-color-border, #e5e7eb);
}

.glh-nav-item.is-completed .glh-status-check {
    color: var(--glh-color-success, #10b981);
}

.glh-nav-item.is-completed .glh-status-check circle {
    fill: var(--glh-color-success, #10b981);
    stroke: var(--glh-color-success, #10b981);
}

.glh-nav-item.is-completed .glh-status-check polyline {
    stroke: white;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.glh-module-content {
    padding: var(--glh-spacing-2xl, 48px);
    max-width: 100%;
    overflow-x: hidden;
}

.glh-module-single {
    max-width: 900px;
    margin: 0 auto;
}

/* ==========================================================================
   Module Header
   ========================================================================== */

.glh-module-header {
    margin-bottom: var(--glh-spacing-2xl, 48px);
}

.glh-module-title {
    font-family: var(--glh-font-family);
    font-size: var(--glh-font-size-3xl, 40px);
    font-weight: 600;
    color: var(--glh-color-text, #333435);
    margin: 0 0 var(--glh-spacing-md, 16px);
    line-height: 1.2;
}

.glh-module-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--glh-spacing-md, 16px);
    align-items: center;
}

.glh-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-text-light, #6B6B6B);
}

.glh-meta-duration svg {
    color: var(--glh-color-primary, #D50F67);
}

.glh-meta-difficulty {
    padding: 4px 12px;
    border-radius: 100px;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.glh-difficulty-beginner {
    background: rgba(146, 199, 70, 0.15);
    color: #5a7d2e;
}

.glh-difficulty-intermediate {
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.15);
    color: var(--glh-color-primary, #D50F67);
}

.glh-difficulty-advanced {
    background: rgba(111, 53, 152, 0.15);
    color: #5d2d80;
}

/* ==========================================================================
   Module Introduction
   ========================================================================== */

.glh-module-intro {
    margin-bottom: var(--glh-spacing-2xl, 48px);
    font-size: var(--glh-font-size-lg, 18px);
    line-height: 1.7;
    color: var(--glh-color-text, #333435);
}

.glh-module-intro p {
    margin-bottom: var(--glh-spacing-md, 16px);
}

.glh-module-intro p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Sections Container (visual separation from intro)
   ========================================================================== */

.glh-sections-container {
    background: var(--glh-color-background-alt, #f8f9fa);
    border-radius: var(--glh-radius-lg, 16px);
    padding: var(--glh-spacing-xl, 32px);
    margin-top: var(--glh-spacing-2xl, 48px);
    border: 1px solid var(--glh-color-border, #e5e7eb);
    scroll-margin-top: 24px;
}

/* Progress Bar */
.glh-progress-bar {
    display: flex;
    align-items: center;
    gap: var(--glh-spacing-md, 16px);
    margin-bottom: var(--glh-spacing-xl, 32px);
    padding-bottom: var(--glh-spacing-xl, 32px);
    border-bottom: 1px solid var(--glh-color-border, #e5e7eb);
}

.glh-progress-track {
    flex: 1;
    height: 8px;
    background: var(--glh-color-border, #e5e7eb);
    border-radius: 100px;
    overflow: hidden;
}

.glh-progress-fill {
    height: 100%;
    background: var(--glh-gradient-primary);
    border-radius: 100px;
    transition: width 0.4s ease;
}

.glh-progress-text {
    font-size: var(--glh-font-size-sm, 14px);
    font-weight: 600;
    color: var(--glh-color-text-light, #6B6B6B);
    white-space: nowrap;
}

.glh-progress-current {
    color: var(--glh-color-primary, #D50F67);
}

/* ==========================================================================
   Module Sections (accordion-style, one at a time)
   ========================================================================== */

.glh-module-section {
    display: none; /* Hidden by default */
    background: white;
    border-radius: var(--glh-radius-md, 8px);
    padding: var(--glh-spacing-xl, 32px);
}

.glh-module-section.is-active {
    display: block; /* Only active section is visible */
}

/* Section navigation buttons */
.glh-section-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--glh-spacing-2xl, 48px);
    padding-top: var(--glh-spacing-xl, 32px);
    border-top: 1px solid var(--glh-color-border, #e5e7eb);
    gap: var(--glh-spacing-md, 16px);
}

.glh-section-nav-spacer {
    flex: 1;
}

/* Gradient border pill buttons (same as homepage Learn More) */
.glh-btn-back,
.glh-btn-next {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--glh-spacing-sm, 8px);
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: var(--glh-font-size-sm, 14px);
    cursor: pointer;
    transition: all 0.25s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: white;
    border: none;
    color: var(--glh-color-primary, #D50F67);
}

.glh-btn-back::before,
.glh-btn-next::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 100px;
    padding: 2.5px;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Back button - Purple/Blue gradient */
.glh-btn-back::before {
    background: linear-gradient(90deg, #6F3598 0%, #3595D6 100%);
}

.glh-btn-back {
    color: #6F3598;
}

/* Next button - Primary gradient */
.glh-btn-next::before {
    background: var(--glh-gradient-primary);
}

.glh-btn-next {
    color: var(--glh-color-primary, #D50F67);
}

button.glh-btn-back:hover,
button.glh-btn-back:focus,
button.glh-btn-back:active,
button.glh-btn-next:hover,
button.glh-btn-next:focus,
button.glh-btn-next:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.35);
    background: white;
    color: var(--glh-color-secondary, #9F0F7B);
}

.glh-btn-back svg,
.glh-btn-next svg {
    transition: transform 0.2s ease;
}

.glh-btn-back:hover svg {
    transform: translateX(-4px);
}

.glh-btn-next:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Quiz Styles
   ========================================================================== */

.glh-module-quiz {
    /* No extra background/padding - consistent with other sections */
}

.glh-quiz-title {
    font-size: var(--glh-font-size-xl, 24px);
    font-weight: 600;
    margin: 0 0 var(--glh-spacing-sm, 8px);
    color: var(--glh-color-text, #333435);
}

.glh-quiz-intro {
    color: var(--glh-color-text-light, #6B6B6B);
    margin-bottom: var(--glh-spacing-xl, 32px);
}

.glh-quiz-question {
    background: white;
    border-radius: var(--glh-radius-md, 8px);
    padding: var(--glh-spacing-lg, 24px);
    margin-bottom: var(--glh-spacing-lg, 24px);
}

.glh-question-text {
    font-size: var(--glh-font-size-lg, 18px);
    font-weight: 500;
    margin: 0 0 var(--glh-spacing-md, 16px);
    color: var(--glh-color-text, #333435);
}

.glh-question-number {
    color: var(--glh-color-primary, #D50F67);
    font-weight: 600;
}

.glh-quiz-answers {
    display: flex;
    flex-direction: column;
    gap: var(--glh-spacing-sm, 8px);
}

.glh-quiz-answer {
    display: flex;
    align-items: flex-start;
    gap: var(--glh-spacing-md, 16px);
    padding: var(--glh-spacing-md, 16px);
    border: 2px solid var(--glh-color-border, #e5e7eb);
    border-radius: var(--glh-radius-md, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
}

.glh-quiz-answer:hover {
    border-color: var(--glh-color-primary, #D50F67);
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.05);
}

.glh-quiz-answer:has(input:checked) {
    border-color: var(--glh-color-primary, #D50F67);
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.1);
}

.glh-quiz-answer input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid #c4c4c4;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    position: relative;
    margin: 0;
    flex-shrink: 0;
    margin-top: 2px;
}

.glh-quiz-answer input[type="radio"]:checked {
    border-color: var(--glh-color-primary, #D50F67);
    background: var(--glh-color-primary, #D50F67);
}

.glh-quiz-answer input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.glh-quiz-answer input[type="radio"]:disabled {
    cursor: not-allowed;
}

.glh-answer-text {
    font-size: var(--glh-font-size-base, 16px);
    line-height: 1.5;
    padding-top: 2px;
}

/* Post-quiz answer icons */
.glh-answer-icon {
    margin-left: auto;
    font-weight: 700;
    font-size: 18px;
    line-height: 1;
}

.glh-answer-icon-correct {
    color: var(--glh-color-success, #10b981);
}

.glh-answer-icon-incorrect {
    color: var(--glh-color-error, #ef4444);
}

/* Explanation */
.glh-question-explanation {
    margin-top: var(--glh-spacing-md, 16px);
    padding: var(--glh-spacing-md, 16px);
    background: rgba(16, 185, 129, 0.08);
    border-left: 3px solid var(--glh-color-success, #10b981);
    border-radius: 0 var(--glh-radius-md, 8px) var(--glh-radius-md, 8px) 0;
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-text, #333435);
}

/* Quiz actions and results */
.glh-quiz-actions {
    margin-top: var(--glh-spacing-xl, 32px);
}

.glh-quiz-results {
    margin-top: var(--glh-spacing-xl, 32px);
    padding: var(--glh-spacing-lg, 24px);
    background: white;
    border-radius: var(--glh-radius-md, 8px);
    text-align: center;
}

.glh-quiz-score,
.glh-quiz-message {
    font-size: var(--glh-font-size-lg, 18px);
    font-weight: 500;
    color: var(--glh-color-text, #333435);
    margin: 0;
}

.glh-quiz-score .correct-count {
    color: var(--glh-color-primary, #D50F67);
    font-weight: 700;
}

/* Pre-quiz specific - no score shown */
.glh-prequiz-results .glh-quiz-message {
    color: var(--glh-color-success, #10b981);
}

/* Post-quiz results (shown inline on post-quiz section) */
.glh-postquiz-results {
    background: linear-gradient(135deg, var(--glh-color-primary, #D50F67) 0%, var(--glh-color-secondary, #9F0F7B) 100%);
    border-radius: var(--glh-radius-lg, 12px);
    padding: var(--glh-spacing-xl, 32px);
    color: white;
    text-align: center;
}

.glh-postquiz-results h3 {
    font-size: var(--glh-font-size-xl, 24px);
    font-weight: 600;
    margin: 0 0 var(--glh-spacing-md, 16px);
    color: white;
}

.glh-postquiz-results .glh-results-score {
    font-size: var(--glh-font-size-lg, 18px);
    margin: 0 0 var(--glh-spacing-sm, 8px);
}

.glh-postquiz-results .glh-results-score strong {
    font-weight: 700;
}

.glh-postquiz-results .glh-results-improvement {
    font-size: var(--glh-font-size-base, 16px);
    margin: 0 0 var(--glh-spacing-lg, 24px);
    opacity: 0.9;
}

.glh-postquiz-results .glh-results-improvement strong {
    font-weight: 700;
}

.glh-postquiz-results .glh-postquiz-next {
    background: white;
    color: var(--glh-color-primary, #D50F67);
    border: none;
    margin-top: var(--glh-spacing-md, 16px);
}

/* ==========================================================================
   Learning Activities
   ========================================================================== */

.glh-module-activities {
    /* Container for activities - no extra margin needed */
}

/* Each activity is a section with consistent styling */
.glh-learning-activity {
    /* Uses .glh-module-section styles for separation */
}

.glh-activity-title {
    font-size: var(--glh-font-size-xl, 24px);
    font-weight: 600;
    color: var(--glh-color-text, #333435);
    margin: 0 0 var(--glh-spacing-lg, 24px);
}

/* Content Block */
.glh-activity-content-block .glh-activity-content {
    font-size: var(--glh-font-size-base, 16px);
    line-height: 1.7;
}

.glh-activity-content-block .glh-activity-content p {
    margin-bottom: var(--glh-spacing-md, 16px);
}

.glh-activity-content-block .glh-activity-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--glh-radius-md, 8px);
    margin: var(--glh-spacing-lg, 24px) 0;
}

.glh-activity-content-block .glh-activity-content iframe,
.glh-activity-content-block .glh-activity-content embed,
.glh-activity-content-block .glh-activity-content object {
    max-width: 100%;
    width: 100%;
}

.glh-activity-content .pdfemb-viewer {
    height: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden;
    box-sizing: border-box;
}

.glh-activity-content .pdfemb-viewer canvas {
    max-width: 100% !important;
    height: auto !important;
}

/* PDF Download Button */
.glh-pdf-download {
    margin-top: var(--glh-spacing-md, 16px);
    text-align: center;
}

.glh-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: var(--glh-font-size-sm, 14px);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--glh-color-secondary, #9F0F7B);
    background: white;
    border: 2px solid var(--glh-color-secondary, #9F0F7B);
    transition: all 0.25s ease;
    cursor: pointer;
}

.glh-btn-download:hover {
    background: var(--glh-color-secondary, #9F0F7B);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--glh-color-secondary-rgb, 159, 15, 123), 0.35);
}

.glh-btn-download svg {
    flex-shrink: 0;
}

/* WordPress alignment classes */
.glh-module-single .aligncenter,
.glh-module-single img.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.glh-module-single .wp-caption.aligncenter {
    display: table;
    margin-left: auto;
    margin-right: auto;
}

.glh-module-single .wp-caption .wp-caption-text {
    text-align: center;
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-text-light, #6B6B6B);
    margin-top: var(--glh-spacing-sm, 8px);
}

.glh-module-single .alignleft {
    float: left;
    margin-right: var(--glh-spacing-lg, 24px);
    margin-bottom: var(--glh-spacing-md, 16px);
}

.glh-module-single .alignright {
    float: right;
    margin-left: var(--glh-spacing-lg, 24px);
    margin-bottom: var(--glh-spacing-md, 16px);
}

/* Video Container */
.glh-activity-video {
    margin-bottom: var(--glh-spacing-lg, 24px);
}

.glh-activity-video .glh-video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--glh-radius-lg, 16px);
    overflow: hidden;
    background: #000;
}

.glh-activity-video .glh-video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Video Transcript (collapsible below video) */
.glh-video-transcript {
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.glh-video-transcript .glh-collapsible-header {
    padding: 0.5rem 0;
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-secondary, #9F0F7B);
}

.glh-video-transcript .glh-collapsible-title {
    font-weight: 600;
}

.glh-video-transcript .glh-collapsible-inner {
    font-size: var(--glh-font-size-sm, 14px);
    line-height: 1.7;
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    background: white;
    border-radius: var(--glh-radius-md, 8px);
    border: 1px solid var(--glh-color-border, #e5e7eb);
}

.glh-video-transcript .glh-collapsible-inner p:last-child {
    margin-bottom: 0;
}

/* Slide */
.glh-activity-slide .glh-slide-figure {
    margin: 0;
}

.glh-slide-image {
    width: 100%;
    height: auto;
    border-radius: var(--glh-radius-lg, 16px);
    display: block;
}

.glh-slide-caption {
    margin-top: var(--glh-spacing-md, 16px);
    font-size: var(--glh-font-size-base, 16px);
    color: var(--glh-color-text-light, #6B6B6B);
    line-height: 1.6;
    text-align: center;
}

/* Two Column Layout */
.glh-two-column-row {
    margin-bottom: var(--glh-spacing-xl, 32px);
}

.glh-two-column-row:last-child {
    margin-bottom: 0;
}

.glh-two-column-row-title {
    font-size: var(--glh-font-size-lg, 18px);
    font-weight: 600;
    color: var(--glh-color-text, #333435);
    margin: 0 0 var(--glh-spacing-md, 16px);
}

.glh-two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--glh-spacing-xl, 32px);
    align-items: center;
}

.glh-two-column-image img {
    width: 100%;
    height: auto;
    border-radius: var(--glh-radius-md, 8px);
}

.glh-two-column-content {
    font-size: var(--glh-font-size-base, 16px);
    line-height: 1.7;
}

.glh-two-column-content p:last-child {
    margin-bottom: 0;
}

/* Image Right layout - swap order */
.glh-image-right .glh-two-column-grid {
    direction: rtl;
}

.glh-image-right .glh-two-column-grid > * {
    direction: ltr;
}

/* Mobile: stack vertically */
@media (max-width: 768px) {
    .glh-two-column-grid {
        grid-template-columns: 1fr;
        gap: var(--glh-spacing-lg, 24px);
    }

    .glh-image-right .glh-two-column-grid {
        direction: ltr;
    }

    .glh-two-column-image {
        order: -1; /* Image always first on mobile */
    }
}

/* Accordion */
.glh-activity-accordion .glh-accordion-items {
    display: flex;
    flex-direction: column;
    gap: var(--glh-spacing-sm, 8px);
}

.glh-accordion-item {
    border: 1px solid var(--glh-color-border, #e5e7eb);
    border-radius: var(--glh-radius-md, 8px);
    overflow: hidden;
}

.glh-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--glh-spacing-md, 16px) var(--glh-spacing-lg, 24px);
    background: var(--glh-color-background-alt, #f8f9fa);
    border: none;
    cursor: pointer;
    font-family: var(--glh-font-family);
    font-size: var(--glh-font-size-base, 16px);
    font-weight: 500;
    color: var(--glh-color-text, #333435);
    text-align: left;
    transition: background 0.2s ease;
}

.glh-accordion-header:hover {
    background: var(--glh-color-border, #e5e7eb);
    color: var(--glh-color-text, #333435);
}

.glh-accordion-icon {
    font-size: 12px;
    color: var(--glh-color-text-light, #6B6B6B);
    transition: transform 0.3s ease;
}

.glh-accordion-item.is-open .glh-accordion-icon {
    transform: rotate(180deg);
}

.glh-accordion-content {
    padding: var(--glh-spacing-lg, 24px);
    font-size: var(--glh-font-size-base, 16px);
    line-height: 1.7;
    transition: height 0.3s ease;
}

.glh-accordion-content p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Feedback Widget
   ========================================================================== */

.glh-activity-feedback {
    margin-top: var(--glh-spacing-xl, 32px);
    padding: var(--glh-spacing-lg, 24px);
    background: var(--glh-color-background-alt, #f8f9fa);
    border-radius: var(--glh-radius-md, 8px);
    text-align: center;
}

.glh-feedback-question {
    font-size: var(--glh-font-size-base, 16px);
    font-weight: 500;
    color: var(--glh-color-text, #333435);
    margin: 0 0 var(--glh-spacing-md, 16px);
}

.glh-feedback-buttons {
    display: flex;
    justify-content: center;
    gap: var(--glh-spacing-md, 16px);
}

.glh-feedback-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: var(--glh-spacing-sm, 8px) var(--glh-spacing-lg, 24px);
    border: 2px solid var(--glh-color-border, #e5e7eb);
    border-radius: 100px;
    background: white;
    cursor: pointer;
    font-family: var(--glh-font-family);
    font-size: var(--glh-font-size-base, 16px);
    transition: all 0.2s ease;
}

.glh-feedback-btn:hover:not(:disabled) {
    border-color: var(--glh-color-primary, #D50F67);
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.05);
}

.glh-feedback-btn.selected {
    border-color: var(--glh-color-primary, #D50F67);
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.1);
}

.glh-feedback-btn:disabled {
    cursor: default;
    opacity: 0.7;
}

.glh-feedback-icon {
    font-size: 20px;
}

.glh-feedback-count {
    display: none;
}

.glh-feedback-thanks {
    margin-top: var(--glh-spacing-md, 16px);
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-success, #10b981);
    font-weight: 500;
}

/* ==========================================================================
   Module Survey
   ========================================================================== */

.glh-module-survey {
    /* Uses .glh-module-section styles for separation */
}

.glh-survey-title {
    font-size: var(--glh-font-size-xl, 24px);
    font-weight: 600;
    margin: 0 0 var(--glh-spacing-md, 16px);
    color: var(--glh-color-text, #333435);
}

.glh-survey-intro {
    color: var(--glh-color-text-light, #6B6B6B);
    margin-bottom: var(--glh-spacing-xl, 32px);
}

/* Survey questions list */
.glh-survey-questions {
    display: flex;
    flex-direction: column;
    gap: var(--glh-spacing-xl, 32px);
}

.glh-survey-question-item {
    background: var(--glh-color-background-alt, #f8f9fa);
    border-radius: var(--glh-radius-md, 8px);
    padding: var(--glh-spacing-lg, 24px);
}

.glh-survey-question-text {
    font-size: var(--glh-font-size-lg, 18px);
    font-weight: 500;
    margin: 0 0 var(--glh-spacing-md, 16px);
    color: var(--glh-color-text, #333435);
}

/* Survey multiple choice */
.glh-survey-choices {
    display: flex;
    flex-direction: column;
    gap: var(--glh-spacing-sm, 8px);
}

.glh-survey-choice {
    display: flex;
    align-items: center;
    gap: var(--glh-spacing-md, 16px);
    padding: var(--glh-spacing-md, 16px);
    border: 2px solid var(--glh-color-border, #e5e7eb);
    border-radius: var(--glh-radius-md, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.glh-survey-choice:hover {
    border-color: var(--glh-color-primary, #D50F67);
}

.glh-survey-choice:has(input:checked) {
    border-color: var(--glh-color-primary, #D50F67);
    background: rgba(var(--glh-color-primary-rgb, 213, 15, 103), 0.1);
}

/* Survey text input */
.glh-survey-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--glh-spacing-md, 16px);
    border: 2px solid var(--glh-color-border, #e5e7eb);
    border-radius: var(--glh-radius-md, 8px);
    font-family: var(--glh-font-family);
    font-size: var(--glh-font-size-base, 16px);
    resize: vertical;
}

.glh-survey-textarea:focus {
    outline: none;
    border-color: var(--glh-color-primary, #D50F67);
}

/* Survey rating (1-5) */
.glh-survey-rating-wrapper {
    display: flex;
    align-items: center;
    gap: var(--glh-spacing-md, 16px);
    flex-wrap: wrap;
}

.glh-rating-label {
    font-size: var(--glh-font-size-sm, 14px);
    color: var(--glh-color-text-light, #6B6B6B);
}

.glh-survey-rating {
    display: flex;
    gap: var(--glh-spacing-sm, 8px);
}

.glh-survey-rating-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--glh-color-border, #e5e7eb);
    border-radius: var(--glh-radius-md, 8px);
    background: white;
    cursor: pointer;
    font-size: var(--glh-font-size-lg, 18px);
    font-weight: 600;
    color: var(--glh-color-text-light, #6B6B6B);
    transition: all 0.2s ease;
}

.glh-survey-rating-btn:hover {
    border-color: var(--glh-color-primary, #D50F67);
}

.glh-survey-rating-btn.selected {
    border-color: var(--glh-color-primary, #D50F67);
    background: var(--glh-color-primary, #D50F67);
    color: white;
}

/* Survey submit */
.glh-survey-actions {
    margin-top: var(--glh-spacing-xl, 32px);
}

.glh-survey-thanks {
    text-align: center;
    padding: var(--glh-spacing-xl, 32px);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--glh-radius-md, 8px);
    color: var(--glh-color-success, #10b981);
    font-weight: 500;
}

/* ==========================================================================
   Module Navigation
   ========================================================================== */

.glh-module-navigation {
    text-align: center;
    padding-top: var(--glh-spacing-xl, 32px);
    border-top: 1px solid var(--glh-color-border, #e5e7eb);
}

.glh-next-module {
    display: inline-flex;
    align-items: center;
    gap: var(--glh-spacing-sm, 8px);
    padding: var(--glh-spacing-md, 16px) var(--glh-spacing-xl, 32px);
}

.glh-next-module svg {
    transition: transform 0.2s ease;
}

.glh-next-module:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Responsive Styles - Tablet & Mobile
   ========================================================================== */

@media (max-width: 1024px) {
    /* Switch to single column */
    .glh-module-wrapper {
        display: block;
    }

    /* Show mobile header */
    .glh-mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--glh-spacing-md, 16px);
        background: var(--glh-gradient-primary);
        color: white;
        position: sticky;
        top: 0;
        z-index: 200;
    }

    .glh-back-btn,
    .glh-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        background: none;
        border: none;
        color: white;
        cursor: pointer;
        border-radius: var(--glh-radius-sm, 4px);
        transition: background 0.2s ease;
        text-decoration: none;
    }

    .glh-back-btn:hover,
    .glh-menu-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .glh-back-btn svg,
    .glh-menu-toggle svg {
        width: 24px;
        height: 24px;
        display: block;
    }

    .glh-mobile-title {
        font-size: var(--glh-font-size-base, 16px);
        font-weight: 600;
        flex: 1;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        padding: 0 var(--glh-spacing-sm, 8px);
    }

    /* Sidebar becomes slide-out menu */
    .glh-module-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 300;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
    }

    .glh-module-sidebar.is-open {
        transform: translateX(0);
    }

    /* Show close button in sidebar */
    .glh-sidebar-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: none;
        border: none;
        color: var(--glh-color-text-light, #6B6B6B);
        cursor: pointer;
        position: absolute;
        top: var(--glh-spacing-md, 16px);
        right: var(--glh-spacing-md, 16px);
        border-radius: var(--glh-radius-sm, 4px);
        transition: background 0.2s ease;
    }

    .glh-sidebar-close:hover {
        background: var(--glh-color-background-alt, #f8f9fa);
    }

    /* Sidebar overlay */
    .glh-sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 250;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .glh-sidebar-overlay.is-visible {
        opacity: 1;
        visibility: visible;
    }

    /* Adjust content area */
    .glh-module-content {
        padding: var(--glh-spacing-lg, 24px);
    }
}

@media (max-width: 768px) {
    .glh-module-content {
        padding: var(--glh-spacing-md, 16px);
    }

    .glh-module-title {
        font-size: var(--glh-font-size-2xl, 32px);
    }

    .glh-quiz-question {
        padding: var(--glh-spacing-md, 16px);
    }

    .glh-quiz-answer {
        padding: var(--glh-spacing-sm, 8px) var(--glh-spacing-md, 16px);
    }

    .glh-feedback-buttons {
        flex-direction: row;
    }

    .glh-feedback-btn {
        padding: var(--glh-spacing-sm, 8px) var(--glh-spacing-md, 16px);
    }

    .glh-survey-question-item {
        padding: var(--glh-spacing-md, 16px);
    }

    .glh-survey-rating-wrapper {
        flex-direction: column;
        align-items: flex-start;
    }

    .glh-survey-rating-btn {
        width: 40px;
        height: 40px;
    }

    .glh-sections-container {
        padding: var(--glh-spacing-md, 16px);
        margin-top: var(--glh-spacing-xl, 32px);
    }

    .glh-module-section {
        padding: var(--glh-spacing-md, 16px);
    }

    .glh-progress-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--glh-spacing-sm, 8px);
    }

    .glh-progress-text {
        text-align: center;
    }

    .glh-section-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--glh-spacing-sm, 8px);
    }

    .glh-btn-back,
    .glh-btn-next {
        padding: 10px 20px;
        font-size: 13px;
    }

    .glh-section-nav-spacer {
        display: none;
    }
}

@media (max-width: 480px) {
    .glh-module-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--glh-spacing-sm, 8px);
    }

    .glh-activity-title {
        font-size: var(--glh-font-size-lg, 18px);
    }

    .glh-mobile-title {
        font-size: var(--glh-font-size-sm, 14px);
    }
}