/* PowerON Platform Big Picture Documentation Styles */

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 32px;
    width: auto;
    display: inline-block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.logo:hover .logo-text {
    color: #4B73FF;
}

.nav-title {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    padding-top: 100px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 1rem;
    font-weight: 500;
}

.intro {
    font-size: 1.1rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.lead {
    font-size: 1.15rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e5e5e5;
    overflow-x: auto;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-family: 'DM Sans', sans-serif;
}

.tab-button:hover {
    color: #1a1a1a;
    background-color: #f8f9fa;
}

.tab-button.active {
    color: #4B73FF;
    border-bottom-color: #4B73FF;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

/* Sections */
.section {
    margin-bottom: 3rem;
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1a1a1a;
    border-bottom: 3px solid #4B73FF;
    padding-bottom: 0.5rem;
}

.section h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
    margin-top: 2rem;
}

.section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #333;
}

.section p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #555;
}

.section ul, .section ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.section li {
    margin-bottom: 0.5rem;
    color: #555;
}

.section code {
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #d63384;
}

.section pre {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border-left: 4px solid #4B73FF;
}

.section pre code {
    background: none;
    padding: 0;
    color: #333;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.highlight-box h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.highlight-box ul {
    list-style: none;
    margin-left: 0;
}

.highlight-box li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: #ffffff;
}

.highlight-box li strong {
    color: #ffffff;
    font-weight: 600;
}

.highlight-box li::before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
    color: #ffffff;
}

/* Architecture Diagram */
.architecture-diagram {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.layer {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #4B73FF;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.layer:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.layer h4 {
    color: #4B73FF;
    margin-bottom: 0.5rem;
}

/* Workflow Structure */
.workflow-structure {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.workflow-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-top: 4px solid #4B73FF;
}

.workflow-item h4 {
    color: #4B73FF;
    margin-bottom: 0.5rem;
}

/* Mode Grid */
.mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.mode-card {
    background: white;
    border: 2px solid #e5e5e5;
    padding: 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mode-card:hover {
    border-color: #4B73FF;
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.mode-card h4 {
    color: #4B73FF;
    margin-bottom: 0.75rem;
}

/* Services Tree */
.services-tree {
    margin: 2rem 0;
}

.service-category {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #4B73FF;
}

.service-category h4 {
    color: #4B73FF;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-category ul {
    list-style: none;
    margin-left: 0;
}

.service-category > ul > li {
    margin-bottom: 1rem;
    font-weight: 500;
    color: #333;
}

.service-category ul ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.service-category ul ul li {
    font-weight: normal;
    color: #666;
    font-size: 0.95em;
}

/* Access Levels */
.access-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.access-level {
    background: white;
    border: 2px solid #e5e5e5;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.access-level:hover {
    border-color: #4B73FF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.access-level h4 {
    color: #4B73FF;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.access-level p {
    font-size: 0.9em;
    color: #666;
    margin: 0;
}

/* Context Grid */
.context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.context-card {
    background: white;
    border: 2px solid #e5e5e5;
    padding: 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.context-card:hover {
    border-color: #4B73FF;
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.context-card h4 {
    color: #4B73FF;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.context-card code {
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #d63384;
}

/* Building Blocks */
.building-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.block {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.block h4 {
    color: white;
    margin-bottom: 0.75rem;
}

.block p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    margin: 0.5rem 0;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

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

    .tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .container {
        padding: 0 1rem;
        padding-top: 90px;
    }

    .architecture-diagram,
    .workflow-structure,
    .mode-grid,
    .access-levels,
    .context-grid,
    .building-blocks,
    .feature-grid,
    .transformation-comparison,
    .vision-grid {
        grid-template-columns: 1fr;
    }

    .step-card {
        flex-direction: column;
        gap: 1rem;
    }

    .diagram-box {
        min-width: 100%;
    }
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: white;
    border: 2px solid #e5e5e5;
    padding: 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: #4B73FF;
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.feature-card h4 {
    color: #4B73FF;
    margin-bottom: 0.75rem;
}

/* System Diagram */
.system-diagram {
    margin: 2rem 0;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.diagram-row {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.diagram-box {
    background: white;
    border: 3px solid #4B73FF;
    border-radius: 8px;
    padding: 1.5rem;
    min-width: 400px;
    max-width: 800px;
    width: 100%;
}

.diagram-box.customer {
    border-color: #28a745;
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
}

.diagram-box.platform {
    border-color: #4B73FF;
    background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
}

.diagram-box h4 {
    color: #4B73FF;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.3rem;
}

.diagram-box.customer h4 {
    color: #28a745;
}

.diagram-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.diagram-item {
    background: #f8f9fa;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border-left: 3px solid #4B73FF;
    font-size: 0.95em;
    color: #333;
}

.diagram-box.customer .diagram-item {
    border-left-color: #28a745;
}

.diagram-arrow {
    text-align: center;
    padding: 1rem;
    font-weight: 600;
    color: #666;
    font-size: 1.1rem;
}

/* Customer Story Steps */
.step-card {
    display: flex;
    gap: 2rem;
    background: white;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: #4B73FF;
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    color: #4B73FF;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}

.step-content ul {
    margin-top: 1rem;
}

.lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.highlight-text {
    background: #fff3cd;
    padding: 1rem;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
    margin-top: 1rem;
    font-weight: 500;
    color: #856404;
}

/* Transformation Comparison */
.transformation-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.comparison-box {
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid;
}

.comparison-box.old {
    background: #fff5f5;
    border-color: #fc8181;
}

.comparison-box.new {
    background: #f0fff4;
    border-color: #28a745;
}

.comparison-box h5 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.comparison-box.old h5 {
    color: #c53030;
}

.comparison-box.new h5 {
    color: #22543d;
}

.comparison-box ul {
    margin-left: 1.5rem;
}

.comparison-box li {
    margin-bottom: 0.5rem;
}

/* Vision Cards */
.vision-card {
    background: white;
    border: 2px solid #e5e5e5;
    border-left: 4px solid #4B73FF;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
    transition: all 0.3s ease;
}

.vision-card:hover {
    border-color: #4B73FF;
    box-shadow: 0 4px 12px rgba(75, 115, 255, 0.1);
}

.vision-card h4 {
    color: #4B73FF;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.vision-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-top: 4px solid #4B73FF;
}

.vision-item h4 {
    color: #4B73FF;
    margin-bottom: 1rem;
}

.vision-item ul {
    margin-left: 1.5rem;
}

/* Diagram Images */
.diagram-image-container {
    margin: 2rem 0;
    text-align: center;
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.diagram-image {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.diagram-image:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .diagram-image-container {
        padding: 1rem;
    }
    
    .diagram-image {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .tabs {
        display: none;
    }

    .container {
        padding-top: 0;
    }

    .tab-content {
        display: block !important;
    }
}