/* lss-gb Course Styles */
:root {
    --lss-gb-primary: #16a34a;
    --lss-gb-secondary: #15803d;
    --lss-gb-accent: #f59e0b;
    --lss-gb-success: #10b981;
    --lss-gb-warning: #f59e0b;
    --lss-gb-danger: #ef4444;
    --lss-gb-text-primary: #1f2937;
    --lss-gb-text-secondary: #6b7280;
    --lss-gb-text-light: #9ca3af;
    --lss-gb-bg-primary: #ffffff;
    --lss-gb-bg-secondary: #f9fafb;
    --lss-gb-bg-tertiary: #f3f4f6;
    --lss-gb-border-color: #e5e7eb;
    --lss-gb-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --lss-gb-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --lss-gb-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --lss-gb-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --lss-gb-border-radius: 8px;
    --lss-gb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--lss-gb-text-primary);
    background-color: var(--lss-gb-bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header Styles */
.lss-gb-header {
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--lss-gb-shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    font-size: 2rem;
}

.course-nav {
    display: flex;
    gap: 2rem;
}

.course-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--lss-gb-transition);
    padding: 0.5rem 1rem;
    border-radius: var(--lss-gb-border-radius);
}

.course-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.progress-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 200px;
}

.progress-indicator span {
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.progress-bar {
    width: 120px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lss-gb-accent), var(--lss-gb-success));
    width: 0%;
    transition: width 0.5s ease;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--lss-gb-accent);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--lss-gb-border-radius);
    backdrop-filter: blur(10px);
}

.stat i {
    font-size: 1.5rem;
    color: var(--lss-gb-accent);
}

.stat span {
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--lss-gb-border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--lss-gb-transition);
}

.btn-primary {
    background: var(--lss-gb-accent);
    color: white;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--lss-gb-shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-success {
    background: var(--lss-gb-success);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.maintenance-diagram {
    position: relative;
    width: 100%;
    height: 100%;
}

.equipment-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--lss-gb-accent), #f97316);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    animation: rotate 20s linear infinite;
    box-shadow: var(--lss-gb-shadow-xl);
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.maintenance-cycle {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.cycle-step {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--lss-gb-text-primary);
    box-shadow: var(--lss-gb-shadow-md);
    transition: var(--lss-gb-transition);
}

.cycle-step[data-step="1"] { top: 20px; left: 50%; transform: translateX(-50%); }
.cycle-step[data-step="2"] { top: 50%; right: 20px; transform: translateY(-50%); }
.cycle-step[data-step="3"] { bottom: 20px; left: 50%; transform: translateX(-50%); }
.cycle-step[data-step="4"] { top: 50%; left: 20px; transform: translateY(-50%); }

.cycle-step.active {
    background: var(--lss-gb-accent);
    color: white;
    transform: scale(1.1);
}

.cycle-step i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

/* Overview Section */
.overview-section {
    padding: 4rem 0;
    background-color: var(--lss-gb-bg-secondary);
}

.overview-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--lss-gb-text-primary);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.overview-card {
    background: white;
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    box-shadow: var(--lss-gb-shadow-sm);
    border: 1px solid var(--lss-gb-border-color);
    transition: var(--lss-gb-transition);
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--lss-gb-shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    border-radius: var(--lss-gb-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.overview-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.overview-card ul {
    list-style: none;
}

.overview-card li {
    padding: 0.25rem 0;
    color: var(--lss-gb-text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.overview-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lss-gb-success);
    font-weight: bold;
}

/* Modules Section */
.modules-section {
    padding: 4rem 0;
}

.modules-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--lss-gb-text-primary);
}

.modules-grid {
    display: grid;
    gap: 1.5rem;
}

.module-card {
    background: white;
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    box-shadow: var(--lss-gb-shadow-sm);
    border: 1px solid var(--lss-gb-border-color);
    transition: var(--lss-gb-transition);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--lss-gb-primary), var(--lss-gb-accent));
    opacity: 0;
    transition: var(--lss-gb-transition);
}

.module-card:hover::before {
    opacity: 1;
}

.module-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lss-gb-shadow-lg);
}

.module-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.module-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    border-radius: var(--lss-gb-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.module-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--lss-gb-text-primary);
}

.module-info p {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.module-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--lss-gb-text-light);
}

.module-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.module-meta i {
    color: var(--lss-gb-primary);
}

.status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #d1d5db;
    transition: var(--lss-gb-transition);
}

.status-indicator[data-status="completed"] {
    background: var(--lss-gb-success);
}

.status-indicator[data-status="in-progress"] {
    background: var(--lss-gb-accent);
}

.status-indicator[data-status="not-started"] {
    background: #d1d5db;
}

.module-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.module-content .progress-bar {
    flex: 1;
    margin-right: 1rem;
}

.module-content .progress-text {
    font-size: 0.75rem;
    color: var(--lss-gb-text-light);
    font-weight: 600;
    margin-right: 1rem;
}

/* Tools Section */
.tools-section {
    padding: 4rem 0;
    background-color: var(--lss-gb-bg-secondary);
}

.tools-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--lss-gb-text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: white;
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    cursor: pointer;
    transition: var(--lss-gb-transition);
    box-shadow: var(--lss-gb-shadow-sm);
    border: 1px solid var(--lss-gb-border-color);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--lss-gb-primary), var(--lss-gb-accent));
    opacity: 0;
    transition: var(--lss-gb-transition);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--lss-gb-shadow-lg);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    border-radius: var(--lss-gb-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.tool-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.tool-card p {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature {
    background: var(--lss-gb-bg-tertiary);
    color: var(--lss-gb-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Assessment Section */
.assessment-section {
    padding: 4rem 0;
}

.assessment-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--lss-gb-text-primary);
}

.assessment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.assessment-card {
    background: white;
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    box-shadow: var(--lss-gb-shadow-sm);
    border: 1px solid var(--lss-gb-border-color);
    transition: var(--lss-gb-transition);
}

.assessment-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--lss-gb-shadow-lg);
}

.assessment-card .card-icon {
    background: linear-gradient(135deg, var(--lss-gb-success), #059669);
}

.assessment-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.assessment-card p {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.assessment-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.assessment-card li {
    padding: 0.25rem 0;
    color: var(--lss-gb-text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.assessment-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--lss-gb-primary);
    font-weight: bold;
}

/* Resources Section */
.resources-section {
    padding: 4rem 0;
    background-color: var(--lss-gb-bg-secondary);
}

.resources-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--lss-gb-text-primary);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.resource-category {
    background: white;
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    box-shadow: var(--lss-gb-shadow-sm);
    border: 1px solid var(--lss-gb-border-color);
}

.resource-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--lss-gb-text-primary);
}

.resource-category h3 i {
    color: var(--lss-gb-primary);
}

.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--lss-gb-bg-secondary);
    border-radius: var(--lss-gb-border-radius);
    transition: var(--lss-gb-transition);
}

.resource-item:hover {
    background: var(--lss-gb-bg-tertiary);
}

.resource-item i {
    color: var(--lss-gb-primary);
    font-size: 1.25rem;
}

.resource-item span {
    flex: 1;
    font-weight: 500;
    color: var(--lss-gb-text-primary);
}

/* Footer */
.lss-gb-footer {
    background-color: var(--lss-gb-text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: var(--lss-gb-transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .course-nav {
        display: none;
    }
    
    .progress-indicator {
        display: none;
    }
    
    .header-content {
        justify-content: center;
        text-align: center;
    }
    
    .module-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .module-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .module-content .progress-bar {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .visual-container {
        width: 300px;
        height: 300px;
    }
    
    .equipment-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .cycle-step {
        width: 60px;
        height: 60px;
        font-size: 0.625rem;
    }
    
    .cycle-step i {
        font-size: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--lss-gb-primary);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===============================
   CONSOLIDATED COURSE INTERFACE STYLES
   =============================== */

/* Course Header */
.course-header {
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--lss-gb-shadow-md);
}

.course-header .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.course-header .logo a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.course-nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--lss-gb-border-radius);
    cursor: pointer;
    transition: var(--lss-gb-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.user-controls {
    display: flex;
    gap: 0.5rem;
}

/* Main Content */
.course-main {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.section-header p {
    color: var(--lss-gb-text-secondary);
    font-size: 1.1rem;
}

.progress-summary {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.progress-summary span {
    font-weight: 600;
    color: var(--lss-gb-text-primary);
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.module-card {
    background: var(--lss-gb-bg-primary);
    border: 2px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--lss-gb-transition);
    position: relative;
    overflow: hidden;
}

.module-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lss-gb-shadow-lg);
    border-color: var(--lss-gb-primary);
}

.module-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.module-number {
    background: var(--lss-gb-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.module-status i {
    font-size: 1.5rem;
    color: var(--lss-gb-text-light);
}

.module-card:hover .module-status i {
    color: var(--lss-gb-primary);
}

.module-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--lss-gb-text-primary);
}

.module-card p {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.module-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--lss-gb-text-secondary);
}

.module-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

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

.module-progress .progress-bar {
    flex: 1;
    height: 6px;
    background: var(--lss-gb-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.module-progress .progress-fill {
    height: 100%;
    background: var(--lss-gb-success);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--lss-gb-text-secondary);
    min-width: 60px;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tool-card {
    background: var(--lss-gb-bg-primary);
    border: 2px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--lss-gb-transition);
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lss-gb-shadow-lg);
    border-color: var(--lss-gb-accent);
}

.tool-icon {
    background: linear-gradient(135deg, var(--lss-gb-accent), #dc2626);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.tool-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--lss-gb-text-primary);
}

.tool-card p {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.tool-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.difficulty {
    background: var(--lss-gb-bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.time {
    color: var(--lss-gb-text-secondary);
}

/* Progress Dashboard */
.progress-dashboard {
    background: var(--lss-gb-bg-primary);
    border-radius: var(--lss-gb-border-radius);
    padding: 2rem;
    box-shadow: var(--lss-gb-shadow-md);
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--lss-gb-bg-secondary);
    border-radius: var(--lss-gb-border-radius);
    border: 1px solid var(--lss-gb-border-color);
}

.stat-icon {
    background: var(--lss-gb-primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--lss-gb-text-primary);
}

.stat-label {
    color: var(--lss-gb-text-secondary);
    font-size: 0.9rem;
}

.progress-chart {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--lss-gb-border-color);
}

.progress-chart h3 {
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

/* Resources Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.resource-category {
    background: var(--lss-gb-bg-primary);
    border: 1px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
    padding: 1.5rem;
}

.resource-category h3 {
    color: var(--lss-gb-text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.resource-category ul {
    list-style: none;
}

.resource-category li {
    margin-bottom: 0.5rem;
}

.resource-category a {
    color: var(--lss-gb-primary);
    text-decoration: none;
    transition: var(--lss-gb-transition);
}

.resource-category a:hover {
    color: var(--lss-gb-secondary);
    text-decoration: underline;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--lss-gb-bg-primary);
    border-radius: var(--lss-gb-border-radius);
    max-width: 90vw;
    max-height: 90vh;
    width: 800px;
    overflow: hidden;
    box-shadow: var(--lss-gb-shadow-xl);
    animation: slideIn 0.3s ease;
}

.modal-header {
    background: var(--lss-gb-bg-secondary);
    padding: 1.5rem;
    border-bottom: 1px solid var(--lss-gb-border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: var(--lss-gb-text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--lss-gb-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--lss-gb-border-radius);
    transition: var(--lss-gb-transition);
}

.modal-close:hover {
    background: var(--lss-gb-bg-tertiary);
    color: var(--lss-gb-text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

/* Module Content */
.module-overview {
    max-width: 600px;
    margin: 0 auto;
}

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

.module-header-info h3 {
    color: var(--lss-gb-text-primary);
    margin-bottom: 0.5rem;
}

.lessons-list {
    margin-bottom: 2rem;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: var(--lss-gb-transition);
}

.lesson-item:hover {
    background: var(--lss-gb-bg-secondary);
    border-color: var(--lss-gb-primary);
}

.lesson-item.completed {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--lss-gb-success);
}

.lesson-number {
    background: var(--lss-gb-primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.lesson-info {
    flex: 1;
}

.lesson-info h4 {
    margin: 0;
    color: var(--lss-gb-text-primary);
}

.lesson-info p {
    margin: 0;
    color: var(--lss-gb-text-secondary);
    font-size: 0.9rem;
}

.lesson-status {
    color: var(--lss-gb-text-light);
}

.lesson-item.completed .lesson-status {
    color: var(--lss-gb-success);
}

.module-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Lesson Content */
.lesson-view {
    max-width: 700px;
    margin: 0 auto;
}

.lesson-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--lss-gb-bg-secondary);
    border-radius: var(--lss-gb-border-radius);
}

.lesson-counter {
    color: var(--lss-gb-text-secondary);
    font-weight: 600;
}

.lesson-content h3 {
    color: var(--lss-gb-text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.lesson-content h4 {
    color: var(--lss-gb-text-primary);
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
}

.lesson-content h5 {
    color: var(--lss-gb-text-primary);
    margin: 1rem 0 0.5rem;
    font-size: 1.1rem;
}

.lesson-content p {
    color: var(--lss-gb-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.lesson-content ul, .lesson-content ol {
    color: var(--lss-gb-text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.lesson-content li {
    margin-bottom: 0.5rem;
}

.lesson-actions {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--lss-gb-border-color);
    text-align: center;
}

/* Tool Container */
.tool-container {
    max-width: 600px;
    margin: 0 auto;
}

.tool-description {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--lss-gb-bg-secondary);
    border-radius: var(--lss-gb-border-radius);
}

.tool-description p {
    margin: 0;
    color: var(--lss-gb-text-secondary);
}

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

.input-section h4 {
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
}

.input-grid {
    display: grid;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    color: var(--lss-gb-text-primary);
    font-size: 0.9rem;
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 1px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
    font-size: 1rem;
    transition: var(--lss-gb-transition);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--lss-gb-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.calculation-section {
    text-align: center;
    margin-bottom: 2rem;
}

.results-section {
    background: var(--lss-gb-bg-secondary);
    padding: 1.5rem;
    border-radius: var(--lss-gb-border-radius);
    margin-top: 2rem;
}

.results-section h4 {
    margin-bottom: 1rem;
    color: var(--lss-gb-text-primary);
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.result-card {
    text-align: center;
    padding: 1rem;
    background: var(--lss-gb-bg-primary);
    border: 1px solid var(--lss-gb-border-color);
    border-radius: var(--lss-gb-border-radius);
}

.result-card.highlighted {
    background: linear-gradient(135deg, var(--lss-gb-primary), var(--lss-gb-secondary));
    color: white;
    transform: scale(1.05);
}

.result-card h5 {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    color: inherit;
}

.result-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: inherit;
}

/* Responsive Design */
@media (max-width: 768px) {
    .course-header .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .course-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .modules-grid,
    .tools-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .progress-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal-content {
        width: 95vw;
        margin: 1rem;
    }

    .lesson-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }

    .progress-stats {
        grid-template-columns: 1fr;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }
}