/* Tutorial Modal Styles */
.modal-content {
    background: var(--dark-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: var(--text-light);
}

.modal-header {
    background: var(--gradient-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px 20px 0 0;
}

.modal-title {
    color: var(--text-light);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
}

.btn-close {
    filter: invert(1);
}

.modal-body {
    padding: 30px;
    max-height: 80vh;
    overflow-y: auto;
}

/* Tutorial Container */
.tutorial-container {
    max-width: 100%;
}

.tutorial-header {
    text-align: center;
    margin-bottom: 30px;
}

.tutorial-header h3 {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    margin-bottom: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tutorial-header p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Progress Bar */
.tutorial-progress {
    margin-bottom: 30px;
}

.tutorial-progress .progress {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.tutorial-progress .progress-bar {
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.9rem;
    opacity: 0.7;
    text-align: center;
    display: block;
}

/* Tutorial Content */
.tutorial-content {
    /* display: grid; */
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.step-content {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-terminal {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-terminal h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

/* Terminal Demo */
.terminal-demo {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
}

.command-line {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.command-line .prompt {
    color: var(--accent-color);
    font-weight: 600;
}

.command-line .command {
    color: var(--text-light);
    font-weight: 500;
}

.command-output {
    color: #95a5a6;
    font-size: 0.9rem;
    line-height: 1.4;
}

.command-output pre {
    margin: 0;
    white-space: pre-wrap;
}

/* Tutorial Step Content */
.tutorial-step h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.tutorial-step p {
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
    text-align: left;
}

/* Concept Visual */
.concept-visual {
    margin: 25px 0;
}

.container-demo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.app-container, .docker-container, .host-system {
    background: var(--gradient-primary);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    min-width: 120px;
    box-shadow: var(--shadow-light);
}

.app-container i, .docker-container i, .host-system i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.arrow {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: bold;
}

/* Key Points */
.key-points {
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.key-points h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.key-points ul {
    list-style: none;
    padding: 0;
}

.key-points li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.key-points li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Installation Steps */
.installation-steps {
    margin: 25px 0;
}

.os-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.os-tab {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.os-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.os-content {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
}

.os-panel {
    display: none;
}

.os-panel.active {
    display: block;
}

.os-panel h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.os-panel pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 15px;
    overflow-x: auto;
    margin: 15px 0;
}

.os-panel code {
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
}

/* Command Demo */
.command-demo {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.command-explanation {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.command-explanation p {
    margin: 8px 0;
    font-size: 0.9rem;
}

/* Container Lifecycle */
.container-lifecycle {
    margin: 25px 0;
}

.lifecycle-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.step {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: bold;
    color: var(--text-light);
}

.step-content h5 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Comparison */
.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 25px 0;
}

.comparison-item {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-item h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-item ul {
    list-style: none;
    padding: 0;
}

.comparison-item li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.comparison-item li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Visual Explanation */
.visual-explanation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.image-stack, .container-stack {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.layer {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 5px;
    text-align: center;
    font-size: 0.9rem;
}

.layer.writable {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--accent-color);
}

.layer-label {
    font-size: 0.8rem;
    opacity: 0.7;
    text-align: center;
    margin-top: 10px;
}

/* Command Grid */
.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.command-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.command-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.command-card code {
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 12px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    display: block;
    margin: 10px 0;
}

.command-card p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Network Types */
.network-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.network-type {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.network-type h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.network-type p {
    margin-bottom: 15px;
    opacity: 0.8;
}

.network-type code {
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 12px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    display: block;
}

/* Compose Benefits */
.compose-benefits {
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.compose-benefits h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.compose-benefits ul {
    list-style: none;
    padding: 0;
}

.compose-benefits li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.compose-benefits li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Compose Example */
.compose-example {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.compose-example h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.compose-example pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 15px;
    overflow-x: auto;
    margin: 0;
}

.compose-example code {
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
}

/* Volume Types */
.volume-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.volume-type {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.volume-type h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.volume-type p {
    margin-bottom: 15px;
    opacity: 0.8;
}

.volume-type code {
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 12px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    display: block;
}

/* Swarm Concepts */
.swarm-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.concept {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.concept h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.concept p {
    opacity: 0.8;
    margin: 0;
}

/* Tutorial Navigation */
.tutorial-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.step-indicators {
    display: flex;
    gap: 10px;
}

.step-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.step-indicator.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.step-indicator.completed {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.step-indicator:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

/* Tutorial Complete */
.tutorial-complete {
    text-align: center;
    padding: 40px 20px;
}

.completion-animation {
    margin-bottom: 30px;
}

.completion-animation i {
    font-size: 4rem;
    color: var(--accent-color);
    animation: pulse 2s ease-in-out infinite;
}

.tutorial-complete h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 15px;
}

.tutorial-complete p {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 30px;
}

.completion-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tutorial-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .comparison {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .visual-explanation {
        flex-direction: column;
        gap: 20px;
    }
    
    .tutorial-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .step-indicators {
        order: -1;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .step-content, .step-terminal {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .tutorial-header h3 {
        font-size: 1.5rem;
    }
    
    .lifecycle-steps {
        grid-template-columns: 1fr;
    }
    
    .command-grid {
        grid-template-columns: 1fr;
    }
    
    .network-types {
        grid-template-columns: 1fr;
    }
    
    .volume-types {
        grid-template-columns: 1fr;
    }
    
    .swarm-concepts {
        grid-template-columns: 1fr;
    }
}