/* Course Player Styles - SoloFrameHub Academy */

/* CSS Variables for Consistent Theming */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --transition: all 0.2s ease-in-out;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
}

/* Course Container */
.course-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Course Header */
.course-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.course-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.back-btn:hover {
    background: var(--background-color);
    color: var(--primary-color);
}

.lesson-info {
    flex: 1;
    text-align: center;
}

.lesson-number {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.lesson-info h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-indicator {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    min-width: 120px;
}

.progress-bar {
    width: 100px;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    border-radius: 3px;
}

/* Lesson Overview Section */
.lesson-overview {
    background: var(--surface-color);
    margin: 2rem 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.overview-content {
    padding: 2rem;
}

.lesson-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.lesson-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--background-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.lesson-section {
    margin-bottom: 2rem;
}

.lesson-section:last-child {
    margin-bottom: 0;
}

.lesson-section h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.lesson-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Objectives Grid */
.objectives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.objective-card {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.objective-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.objective-card p {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
    margin: 0;
}

/* Outcomes Checklist */
.outcomes-checklist {
    margin-top: 1rem;
}

.outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.outcome-item:last-child {
    border-bottom: none;
}

.outcome-icon {
    font-size: 1.25rem;
    color: var(--success-color);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.outcome-content strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.outcome-content p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.925rem;
}

/* Module Cards */
.lesson-modules {
    margin: 2rem 0;
}

.module-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.module-card:hover {
    box-shadow: var(--shadow-md);
}

.module-card.completed {
    border-color: var(--success-color);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.02), rgba(16, 185, 129, 0.05));
}

.module-card.locked {
    opacity: 0.6;
    background: var(--background-color);
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.module-card.locked .module-header {
    cursor: not-allowed;
}

.module-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.module-info p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.925rem;
}

.module-status {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-complete {
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.status-pending {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.status-locked {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
}

.expand-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.125rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.expand-btn:hover {
    background: var(--background-color);
    color: var(--primary-color);
}

.expand-btn.expanded {
    transform: rotate(180deg);
}

/* Module Content */
.module-content {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

.activity-intro {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.activity-intro h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.activity-intro p {
    color: var(--text-secondary);
    margin: 0;
}

.activity-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.activity-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1rem;
}

.activity-section h5 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.template-box {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
}

.template-box p {
    margin: 0;
    color: #92400e;
    font-style: italic;
}

/* Form Styles */
.interactive-form {
    margin: 1rem 0;
}

.interactive-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.interactive-form textarea,
.interactive-form input[type="text"],
.interactive-form input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.925rem;
    transition: var(--transition);
    background: var(--surface-color);
}

.interactive-form textarea:focus,
.interactive-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.interactive-form textarea {
    resize: vertical;
    min-height: 80px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* AI Analysis Section */
.ai-analysis-section {
    background: linear-gradient(135deg, #eff6ff, #f0f9ff);
    border: 1px solid #bfdbfe;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.ai-analysis-section h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.ai-analyze-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

.ai-analyze-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.ai-analyze-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ai-results {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.ai-results h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.analysis-results,
.enhancement-results {
    line-height: 1.6;
}

.score-grid,
.enhancement-section {
    margin-bottom: 1.5rem;
}

.score-item {
    background: var(--background-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.score-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.score-item ul {
    margin: 0.5rem 0 0 1rem;
    color: var(--text-secondary);
}

.recommendations {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--border-radius);
    padding: 1rem;
}

.recommendations h5 {
    color: var(--success-color);
    margin-bottom: 0.5rem;
}

/* Criteria and Schedule Grids */
.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.criteria-item {
    background: var(--background-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.criteria-item label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.criteria-item input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.25rem;
}

.criteria-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.schedule-day {
    background: var(--background-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.schedule-day strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

/* Module Completion */
.module-completion {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.complete-module-btn {
    background: linear-gradient(135deg, var(--success-color), #047857);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.complete-module-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.complete-module-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--text-muted);
}

/* Lesson Completion */
.lesson-completion {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 2px solid var(--success-color);
    border-radius: var(--border-radius);
    margin: 2rem 0;
    overflow: hidden;
}

.completion-card {
    padding: 2rem;
}

.completion-header {
    text-align: center;
    margin-bottom: 2rem;
}

.completion-header h2 {
    color: var(--success-color);
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.completion-summary,
.next-steps,
.download-section {
    margin-bottom: 2rem;
}

.completion-summary h3,
.next-steps h3,
.download-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.completion-summary ul {
    list-style: none;
    padding: 0;
}

.completion-summary li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.next-lesson-btn,
.download-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.next-lesson-btn:hover,
.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.download-btn {
    background: linear-gradient(135deg, var(--accent-color), #d97706);
    margin-left: 1rem;
}

/* Progress Sidebar */
.progress-sidebar {
    position: fixed;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 50;
}

.progress-sidebar h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
    text-align: center;
}

.progress-modules {
    margin-bottom: 1.5rem;
}

.progress-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.progress-item:last-child {
    border-bottom: none;
}

.progress-item.completed .progress-icon {
    background: var(--success-color);
    color: white;
}

.progress-item.locked {
    opacity: 0.5;
}

.progress-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.time-tracker {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.time-tracker h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.925rem;
}

.time-display {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.time-target {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1280px) {
    .progress-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .course-container {
        padding: 0 0.5rem;
    }

    .course-nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .lesson-info {
        order: -1;
    }

    .lesson-meta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .objectives-grid {
        grid-template-columns: 1fr;
    }

    .overview-content,
    .module-content {
        padding: 1.5rem;
    }

    .completion-card {
        padding: 1.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .criteria-grid,
    .schedule-grid {
        grid-template-columns: 1fr;
    }

    .next-lesson-btn,
    .download-btn {
        display: block;
        margin: 0.5rem 0;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .course-container {
        padding: 0 0.25rem;
    }

    .overview-content,
    .module-content,
    .completion-card {
        padding: 1rem;
    }

    .lesson-info h1 {
        font-size: 1.25rem;
    }

    .objective-card,
    .activity-intro {
        padding: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    to {
        left: 100%;
    }
}