/* ===================================
   Architecture Dashboard Styles
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #1976d2;
    --color-primary-dark: #1565c0;
    --color-secondary: #424242;
    --color-accent: #ff6f00;
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-error: #f44336;
    --color-info: #2196f3;

    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #212121;
    --color-text-secondary: #757575;
    --color-border: #e0e0e0;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);

    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.header-content {
    margin-bottom: var(--spacing-md);
}

.header-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

.header-title .material-icons {
    font-size: 2rem;
}

.header-subtitle {
    margin-left: 3rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.logo-banner {
    background: #fff;
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.logo-banner img {
    height: 50px;
    width: auto;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(25, 118, 210, 0.08);
}

.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(25, 118, 210, 0.12);
}

/* Main Content */
.main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.05) 0%, rgba(25, 118, 210, 0.02) 100%);
    border-radius: var(--border-radius);
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Section Titles */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.section-title .material-icons {
    color: var(--color-primary);
}

/* Systems Grid */
.systems-section {
    margin-bottom: var(--spacing-xl);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

/* System Card */
.system-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--color-border);
}

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

.system-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.system-card-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 600;
}

.system-card-icon {
    color: var(--color-primary);
}

.system-card-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-production {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-success);
}

.status-development {
    background-color: rgba(255, 152, 0, 0.1);
    color: var(--color-warning);
}

.status-planning {
    background-color: rgba(33, 150, 243, 0.1);
    color: var(--color-info);
}

.system-card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.system-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.tag {
    background-color: rgba(25, 118, 210, 0.08);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.system-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.system-card-category {
    text-transform: capitalize;
}

/* Quick Links */
.quick-links {
    margin-bottom: var(--spacing-xl);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.link-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--color-border);
}

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

.link-card .material-icons {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.link-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.link-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* Loading State */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md);
    border: 4px solid rgba(25, 118, 210, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error State */
.error-message {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-error);
    margin-bottom: var(--spacing-md);
}

.error-message .material-icons {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
}

.footer-note .material-icons {
    font-size: 1rem;
}

/* Architecture Diagram Section */
.architecture-diagram {
    margin-bottom: var(--spacing-xl);
}

.diagram-container {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    overflow-x: auto;
}

.diagram-container .mermaid {
    min-height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.diagram-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(25, 118, 210, 0.02);
    border-radius: var(--border-radius);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.legend-icon {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* API Explanation Sections */
.api-explanation {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(25, 118, 210, 0.02);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
}

.api-explanation h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.api-explanation ul {
    margin-left: var(--spacing-md);
    color: var(--color-text-secondary);
}

.api-explanation li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* Storage Grid */
.storage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.storage-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
}

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

.storage-card-header {
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.08) 0%, rgba(25, 118, 210, 0.02) 100%);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.storage-card-header .material-icons {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.storage-card-header h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text);
}

.storage-card-content {
    padding: var(--spacing-md);
}

.storage-card-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.storage-card-content ul {
    margin: var(--spacing-xs) 0 var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.storage-card-content li {
    margin-bottom: 4px;
}

/* Protocol Grid */
.protocol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.protocol-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition);
}

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

.protocol-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.protocol-card h4 {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.protocol-card p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.protocol-card ul {
    text-align: left;
    margin-left: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.protocol-card li {
    margin-bottom: 4px;
}

/* Service Diagnostics Framework Section */
.epic-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #f6821f 0%, #e06000 100%);
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.epic-badge .badge-icon {
    font-size: 1.5rem;
}

/* Specification Badge */
.specification-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.specification-badge .material-icons {
    font-size: 1.25rem;
}

.framework-description {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.05) 0%, rgba(25, 118, 210, 0.02) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.framework-description p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text);
    margin: 0;
}

.framework-principles {
    margin-top: var(--spacing-xl);
}

.framework-principles h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.principle-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition);
}

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

.principle-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.principle-card h5 {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.principle-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Example Dialogue Section */
.example-dialogue {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius);
}

.example-dialogue h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.level-example {
    margin-bottom: var(--spacing-lg);
}

.level-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.level-badge.level-1 {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.level-badge.level-2 {
    background-color: rgba(255, 152, 0, 0.1);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.level-badge.level-3 {
    background-color: rgba(25, 118, 210, 0.1);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.dialogue-example {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
}

.dialogue-example.code {
    background-color: #f5f5f5;
}

.example-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.example-header .status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.example-header .status-badge.completed {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-success);
}

.example-header .method {
    font-family: monospace;
    font-weight: 600;
    color: var(--color-text);
}

.example-header .from {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.example-header .timing {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-left: auto;
}

.verdict {
    color: var(--color-success);
    font-weight: 500;
    font-size: 1.05rem;
}

.summary {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.summary ul {
    margin: var(--spacing-xs) 0 0 var(--spacing-md);
}

.summary li {
    margin-bottom: 4px;
}

.dialogue-example pre {
    background-color: #272822;
    color: #f8f8f2;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

.paste-hint {
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-style: italic;
}

/* Epic Tasks Grid */
.epic-tasks {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.task-card {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.task-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.9rem;
}

.task-content h5 {
    color: var(--color-text);
    margin-bottom: 4px;
    font-size: 1rem;
}

.task-content p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
    text-align: center;
}

.metric-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Standard Status Section */
.standard-status {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.epic-status-overview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.dependencies-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(25, 118, 210, 0.02);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.dependencies-section h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.dependencies-section ul {
    margin-left: var(--spacing-md);
    color: var(--color-text-secondary);
}

.dependencies-section li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.standard-status h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--color-border);
}

.status-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.status-icon.planning {
    color: var(--color-warning);
}

.status-icon.standard {
    color: var(--color-primary);
}

.status-content strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 4px;
    font-size: 1rem;
}

.status-content p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin: 0;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-title {
        font-size: 1.5rem;
    }

    .header-subtitle {
        margin-left: 2.5rem;
        font-size: 0.85rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

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

/* Mermaid Diagram Styling */
.mermaid {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
    overflow-x: auto;
}