/* ===== Learning Guides Page Styles ===== */

/* ===== Secondary Back Bar ===== */
.secondary-backbar {
    background: linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender));
    color: white;
    padding: 12px 0;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.backbar-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: flex-start;
}

.back-button {
    background: var(--primary-rose-dark);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-base);
}

.back-button:hover {
    background: var(--primary-rose-darker);
}

.backbar-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--primary-rose-darker);
    text-decoration: none;
    transition: var(--transition-base);
}

.breadcrumb a:hover {
    color: var(--secondary-lavender-dark);
}

.breadcrumb span:last-child {
    color: var(--gray);
    font-weight: 500;
}

/* ===== Page Header ===== */
.page-header {
    padding-top: 10px;
    padding-bottom: 20px;
}

.page-header .page-subtitle {
    text-align: center;
    padding-top: 2px;
    padding-bottom: 6px;
}

.page-header .page-title {
    margin: 4px 0 2px 0;
}

/* ===== Category Switcher ===== */
.category-switcher-section {
    background: var(--cream);
    padding: var(--spacing-lg) 0;
}

.category-switcher {
    display: flex;
    gap: var(--spacing-base);
    justify-content: center;
    flex-wrap: wrap;
    padding: var(--spacing-base);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.category-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-base) var(--spacing-lg);
    background: var(--cream);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
    color: var(--text-dark);
}

.category-button i {
    font-size: var(--font-size-lg);
    color: var(--primary-rose);
    transition: var(--transition-base);
}

.category-button:hover {
    background: var(--primary-rose-light);
    transform: translateY(-2px);
}

.category-button.active {
    background: linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender-dark));
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

.category-button.active i {
    color: white;
}

/* ===== Courses Grid ===== */
.courses {
    background: var(--white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: var(--cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    border: 2px solid transparent;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    box-shadow: var(--shadow-xl);
    border: 2px solid transparent;
    background:
        linear-gradient(var(--cream), var(--cream)) padding-box,
        linear-gradient(90deg, var(--secondary-lavender-dark), var(--primary-rose-dark)) border-box;
    background-clip: padding-box, border-box;
}

.course-header {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-lavender), var(--primary-rose));
    color: white;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-level {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-base);
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: fit-content;
}

.course-icon {
    font-size: 3rem;
    opacity: 0.3;
    position: absolute;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
}

.course-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1; /* Take all available space */
}

.course-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-base);
}

.course-description {
    color: var(--gray);
    margin-bottom: var(--spacing-base);
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-base) 0;
    border-top: 1px solid rgba(244, 194, 194, 0.2);
    border-bottom: 1px solid rgba(244, 194, 194, 0.2);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.meta-item i {
    color: var(--primary-rose);
}

.course-topics {
    margin-bottom: var(--spacing-lg);
    flex: 1; /* Take remaining space */
    min-height: 100px; /* Ensure minimum space for consistency */
}

.course-topics h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.topics-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.topic-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.topic-item i {
    color: var(--accent-green);
    font-size: var(--font-size-xs);
}

.course-progress-info {
    min-height: 50px;
    margin-bottom: var(--spacing-base);
}

.course-actions {
    display: flex;
    gap: var(--spacing-base);
    margin-top: auto;
}

.course-actions .btn {
    flex: 1;
}

/* Ensure icon and text inside course action buttons have proper spacing and alignment */
.course-actions .btn i {
    margin-right: var(--spacing-sm);
    display: inline-block;
    vertical-align: middle;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .category-switcher {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .category-button {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-base);
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .course-header {
        min-height: 120px;
        padding: var(--spacing-lg);
    }
    
    .course-icon {
        font-size: 2.5rem;
    }
    
    .course-content {
        padding: var(--spacing-base);
    }
    
    .course-content h3 {
        font-size: var(--font-size-lg);
    }
    
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .course-topics {
        min-height: auto;
    }
    
    .course-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== Locked Course Styles ===== */
.course-card.locked-course {
    opacity: 0.7;
    position: relative;
}

.course-card.locked-course::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(2px);
    z-index: 1;
    pointer-events: none;
}

.course-card.locked-course .course-header {
    background: linear-gradient(135deg, var(--gray), var(--text-dark-gray));
}

.course-card.locked-course .course-icon.locked-icon {
    color: white;
    opacity: 0.5;
}

.course-card.locked-course:hover {
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-base);
}

.course-locked-info {
    background: var(--warning);
    background: linear-gradient(135deg, rgba(255, 217, 61, 0.2), rgba(255, 217, 61, 0.1));
    border: 2px solid var(--warning);
    border-radius: var(--radius-base);
    padding: var(--spacing-lg);
    margin: var(--spacing-base) 0;
    position: relative;
    z-index: 2;
}

.locked-message {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-base);
}

.locked-message i {
    color: var(--warning);
    font-size: var(--font-size-lg);
    margin-top: 2px;
    flex-shrink: 0;
}

.locked-message p {
    margin: 0;
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.locked-message strong {
    color: var(--primary-rose-darker);
    font-weight: 600;
}

/* ===== Animation Enhancements ===== */
.course-card:nth-child(1) { animation-delay: 0.1s; }
.course-card:nth-child(2) { animation-delay: 0.2s; }
.course-card:nth-child(3) { animation-delay: 0.3s; }
.course-card:nth-child(4) { animation-delay: 0.4s; }
.course-card:nth-child(5) { animation-delay: 0.5s; }
.course-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Course Modal Styles ===== */
.course-modal-content {
    max-width: 1200px;
    width: 95%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.course-modal-header {
    background: linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender-dark));
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: none;
}

.course-modal-header h2 {
    margin: 0;
    font-size: var(--font-size-2xl);
    color: white;
}

.course-modal-subtitle {
    margin: var(--spacing-xs) 0 0 0;
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.course-modal-header .close-modal {
    color: white;
    opacity: 0.9;
}

.course-modal-header .close-modal:hover {
    opacity: 1;
}

.course-modal-body {
    padding: 0;
    overflow: hidden;
    flex: 1;
}

.lessons-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    grid-template-rows: 1fr auto;
    height: 100%;
    max-height: calc(90vh - 120px);
}

.lessons-sidebar {
    background: var(--cream);
    padding: var(--spacing-lg);
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid var(--light-gray);
    display: flex;
    flex-direction: column;
    max-height: calc(90vh - 120px);
    grid-row: 1 / 2;
    grid-column: 1 / 2;
}

.lessons-sidebar h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-base);
    color: var(--text-dark);
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.lesson-item {
    background: white;
    padding: var(--spacing-base);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lesson-item:hover {
    border-color: var(--secondary-lavender);
}

.lesson-item.active {
    /* border-color: var(--primary-rose); */
    background: var(--primary-rose-light);
}

.lesson-item.completed {
    background: linear-gradient(80deg, var(--secondary-lavender-dark), var(--primary-rose));
    /* border-color: var(--accent-green); */
    box-shadow: 0 2px 6px rgba(76, 175, 80, 0.2);
    border: 2px solid transparent;
    background:
        linear-gradient(90deg, var(--secondary-lavender-dark), var(--primary-rose)) padding-box,
        linear-gradient(90deg, var(--secondary-lavender-dark), var(--primary-rose)) border-box;
}

.lesson-item.completed:hover{
    border-color: var(--secondary-lavender);
}

.lesson-number {
    background: linear-gradient(135deg, var(--secondary-lavender), var(--primary-rose));
    color: white;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.lesson-item.completed .lesson-number {
    background: var(--accent-green);
}

.lesson-info {
    flex: 1;
    min-width: 0;
}

.lesson-info h4 {
    font-size: var(--font-size-sm);
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-duration {
    font-size: var(--font-size-xs);
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 4px;
}

.lesson-status {
    flex-shrink: 0;
    color: var(--accent-green);
    font-size: var(--font-size-lg);
}

.course-progress-section {
    padding: var(--spacing-lg);
    border-top: 2px solid var(--light-gray);
    background: var(--cream);
    flex-shrink: 0;
    grid-row: 2 / 3;
    grid-column: 1 / 2;
}

.course-progress-section h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-base);
    color: var(--text-dark);
}

/* Hide mobile buttons on desktop */
#markCompleteBtnMobile,
.mobile-close-btn {
    display: none !important;
}

.lesson-content-area {
    background: white;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    grid-row: 1 / 3;
    grid-column: 2 / 3;
}

.lesson-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.lesson-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    color: var(--text-dark);
}

.lesson-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-base);
    border: 2px solid transparent;
    background:
        linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender-dark)) padding-box,
        linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender-dark)) border-box;
    border-radius: var(--radius-base);
    color: white;
    font-weight: 500;
    transition: var(--transition-base);
    box-shadow: 0 2px 8px rgba(244, 194, 194, 0.3);
}

.btn-icon:hover {
    box-shadow: 0 4px 12px rgba(244, 194, 194, 0.4);
    border-color: var(--secondary-lavender);
}

.btn-icon.completed {
    background:
        linear-gradient(90deg, var(--primary-rose-darker), var(--secondary-lavender-darker)) padding-box,
        linear-gradient(90deg, var(--primary-rose-darker), var(--secondary-lavender-darker)) border-box;
}

.btn-icon.completed:hover {
    transform: none;
    border-color: var(--secondary-lavender);
}

.lesson-content {
    padding: var(--spacing-xl);
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    max-height: calc(90vh - 200px); /* Ensure scrollable height */
}

.lesson-video {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
}

.lesson-video video,
.lesson-video iframe {
    width: 100%;
    height: auto;
    min-height: 400px;
    display: block;
}

.lesson-text {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.lesson-text h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-base);
    color: var(--primary-rose-darker);
    font-weight: 600;
}

.lesson-text h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-base);
    color: var(--primary-rose-darker);
    font-weight: 600;
}

.lesson-text h4 {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-base);
    color: var(--primary-rose-darker);
    font-weight: 600;
}

.lesson-text p {
    margin-bottom: var(--spacing-base);
    color: var(--text-dark);
}

.lesson-text strong {
    font-weight: 600;
    color: var(--text-dark);
}

.lesson-text em {
    font-style: italic;
    color: var(--gray);
}

.lesson-text ul,
.lesson-text ol {
    margin: var(--spacing-base) 0 var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.lesson-text ul {
    list-style-type: none;
}

.lesson-text ul li {
    position: relative;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-base);
}

.lesson-text ul li:before {
    content: "•";
    color: var(--primary-rose);
    font-weight: bold;
    font-size: 1.2em;
    position: absolute;
    left: -12px;
}

.lesson-text ol li {
    margin-bottom: var(--spacing-sm);
}

.empty-state,
.loading-message,
.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    color: var(--gray);
    text-align: center;
}

.empty-state i,
.loading-message i,
.error-message i {
    font-size: 4rem;
    margin-bottom: var(--spacing-base);
    opacity: 0.3;
}

.empty-state p,
.loading-message p,
.error-message p {
    font-size: var(--font-size-lg);
}

.loading-message i {
    color: var(--primary-rose);
    opacity: 0.8;
    animation: spin 1s linear infinite;
}

.error-message {
    color: var(--error-red, #d32f2f);
}

.error-message i {
    color: var(--error-red, #d32f2f);
    opacity: 0.6;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===== Responsive Modal ===== */
@media (max-width: 968px) {
    .course-modal-content {
        width: 100vw;
        max-width: 100vw;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
    
    .course-modal-header {
        display: none; /* Hide header on mobile */
    }
    
    .course-modal-body {
        flex: 1;
        overflow: hidden;
        padding: 0;
        height: 100vh; /* Full viewport height */
        display: flex;
        flex-direction: column;
    }
    
    .lessons-container {
        grid-template-columns: 1fr;
        height: 100%; /* Use full height */
        max-height: 100%;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    
    .lessons-sidebar {
        border-right: none;
        border-bottom: 2px solid var(--light-gray);
        max-height: 35vh; /* Reduced to make room for progress */
        min-height: 150px;
        overflow-y: auto;
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-base);
        -webkit-overflow-scrolling: touch;
        position: relative;
        order: 1; /* First */
    }
    
    /* Mobile close button - show on mobile */
    .mobile-close-btn {
        display: flex !important;
        position: absolute;
        top: var(--spacing-xs);
        right: var(--spacing-base);
        width: 32px;
        height: 32px;
        align-items: center;
        justify-content: center;
        background: transparent;
        color: var(--primary-rose);
        border: none;
        border-radius: var(--radius-full);
        cursor: pointer;
        z-index: 10;
        font-size: var(--font-size-base);
        transition: var(--transition-base);
        padding: 0;
    }
    
    .mobile-close-btn:hover {
        background: var(--primary-rose-dark);
    }
    
    .lessons-sidebar h3 {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
        padding-right: 40px; /* Space for close button */
    }
    
    .lessons-list {
        gap: 4px; /* Reduced gap */
    }
    
    .lesson-item {
        padding: 6px 8px; /* Smaller padding */
        gap: 8px; /* Smaller gap between number and info */
    }
    
    .lesson-number {
        width: 28px; /* Smaller circle */
        height: 28px;
        font-size: var(--font-size-xs);
        flex-shrink: 0;
    }
    
    .lesson-info h4 {
        font-size: var(--font-size-xs);
        line-height: 1.3;
    }
    
    .lesson-duration {
        font-size: 10px;
        margin-top: 2px;
    }
    
    .lesson-status {
        display: none; /* Hide status badge on mobile to save space */
    }
    
    .course-progress-section {
        padding: var(--spacing-xs) var(--spacing-base);
        background: var(--cream);
        border-top: 2px solid var(--light-gray);
        flex-shrink: 0; /* Fixed at bottom */
        order: 3; /* After lessons-sidebar and lesson-content-area */
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
        margin-top: 0;
        padding-top: var(--spacing-xs);
    }
    
    .course-progress-section h4 {
        font-size: var(--font-size-xs);
        margin-bottom: 4px;
    }
    
    .course-progress-section .progress-bar-education {
        height: 4px; /* Thinner progress bar */
        margin-bottom: 4px;
    }
    
    .course-progress-section .progress-text {
        font-size: 10px;
    }
    
    /* Show mark complete button in progress section on mobile */
    #markCompleteBtnMobile {
        display: flex !important;
        padding: 6px 12px;
        font-size: var(--font-size-xs);
        white-space: nowrap;
    }
    
    .lesson-content-area {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: var(--spacing-base);
        order: 2; /* Second */
    }
    
    .lesson-header {
        display: none; /* Hide lesson header on mobile */
    }
    
    .lesson-video {
        margin-bottom: var(--spacing-base);
    }
    
    .lesson-text {
        font-size: var(--font-size-base);
    }
    
    .lesson-text h2 {
        font-size: var(--font-size-xl);
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .lesson-text h3 {
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-base);
        margin-bottom: var(--spacing-sm);
    }
    
    .lesson-text h4 {
        font-size: var(--font-size-base);
        margin-top: var(--spacing-base);
        margin-bottom: var(--spacing-xs);
    }
    
    .lesson-text p {
        margin-bottom: var(--spacing-base);
    }
    
    .lesson-text ul,
    .lesson-text ol {
        margin-bottom: var(--spacing-base);
        padding-left: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .category-button {
        padding: var(--spacing-sm) var(--spacing-base);
        font-size: var(--font-size-sm);
    }
    
    .category-button i {
        font-size: var(--font-size-base);
    }
    
    .course-modal-header {
        padding: var(--spacing-sm);
    }
    
    .course-modal-header h2 {
        font-size: var(--font-size-base);
    }
    
    .lessons-sidebar {
        padding: var(--spacing-sm);
    }
    
    .lesson-content-area {
        padding: var(--spacing-sm);
    }
    
    .lesson-text {
        font-size: var(--font-size-sm);
    }
    
    .lesson-text h2 {
        font-size: var(--font-size-lg);
    }
    
    .lesson-text h3 {
        font-size: var(--font-size-base);
    }
}