/**
 * ⚠️ AI-GENERATED CODE - "VIBE-CODING" STYLE ⚠️
 *
 * This code was generated using AI assistance in an experimental "vibe-coding" style.
 * It is intended solely for representing the spec in an alternative visual format.
 * The implementation details may change at any time without notice.
 *
 * Use this viewer as a reference tool only - do not depend on its internal implementation.
 */

/* ===================================
   Design System & CSS Variables
   =================================== */

:root {
    /* Colors - Synchronized with Docusaurus */
    --color-bg-primary: #1b1b1f;    /* --c-bg in dark mode */
    --color-bg-secondary: #10151b;  /* --c-bg-elev in dark mode */
    --color-bg-tertiary: #141a21;   /* --c-card in dark mode */
    --color-bg-elevated: #212a33;   /* --c-sep in dark mode */

    --color-border: #212a33;
    --color-border-muted: #2e2e32;

    --color-text-primary: #dfdfd6;  /* --lp-c-text-1 */
    --color-text-secondary: #98989f; /* --lp-c-text-2 */
    --color-text-muted: #6a6a71;     /* --lp-c-text-3 */

    /* Accent colors */
    --color-brand: #1e8f95;         /* --lp-c-brand-1 */
    --color-root: #58a6ff;
    --color-subentity: #1bc97e;
    --color-external-ownership: #f78166;
    --color-ephemeral: #6e7681;
    --color-document: #f78166;

    /* Edge colors */
    --color-composition: #1e8f95;
    --color-association: #32bcac;

    /* Interactive states */
    --color-hover: rgba(30, 143, 149, 0.15);
    --color-active: rgba(30, 143, 149, 0.25);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 20px;
    --space-xl: 32px;

    /* Typography */
    --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
    --font-mono: ui-monospace, "Menlo", "Monaco", "Consolas", monospace;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Layout */
    --header-height: 52px; /* Matching Docusaurus 3rem approx */
    --sidebar-width: 340px;
}

/* ===================================
   Reset & Base Styles
   =================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Layout
   =================================== */

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.header {
    height: var(--header-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-lg);
    max-width: 100%;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

.graph-area {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

/* ===================================
   Header & Logo
   =================================== */

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
}

.logo-text {
    white-space: nowrap;
}

.logo-link:hover .logo-text {
    color: var(--color-brand);
}

.back-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding-left: var(--space-lg);
    border-left: 1px solid var(--color-border);
    margin-left: var(--space-lg);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-brand);
}

.controls {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.control-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* ===================================
   Form Controls
   =================================== */

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 4px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-root);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

.slider-value {
    min-width: 20px;
    text-align: center;
    font-weight: 600;
    color: var(--color-root);
}

.select-input {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xs) var(--space-sm);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.select-input:hover, .select-input:focus {
    border-color: var(--color-root);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-brand);
    color: white;
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 10px rgba(30, 143, 149, 0.3);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.icon-btn {
    padding: var(--space-sm);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
}

.icon-btn:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-elevated);
    border-color: var(--color-border);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 10px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 11px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    pointer-events: none;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Checkbox toggle */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--color-text-secondary);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-label .checkmark {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--color-root);
    border-color: var(--color-root);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label:hover .checkmark {
    border-color: var(--color-root);
}

/* ===================================
   Graph Container
   =================================== */

.graph-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 50%, rgba(88, 166, 255, 0.03) 0%, transparent 50%),
        var(--color-bg-primary);
}

#graph-svg {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#graph-svg:active {
    cursor: grabbing;
}

/* Graph elements */
.node {
    cursor: pointer;
}

.node circle {
    stroke-width: 2px;
    transition: all var(--transition-fast);
}

.node:hover circle {
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px currentColor);
}

.node.selected circle {
    stroke-width: 3px;
    stroke: #ffffff;
    stroke-opacity: 1;
    filter: drop-shadow(0 0 15px currentColor);
}

.node text {
    font-size: 11px;
    font-weight: 500;
    fill: var(--color-text-primary);
    pointer-events: none;
    text-shadow:
        -1px -1px 0 var(--color-bg-primary),
        1px -1px 0 var(--color-bg-primary),
        -1px 1px 0 var(--color-bg-primary),
        1px 1px 0 var(--color-bg-primary);
}

.link {
    stroke-width: 1.5px;
    fill: none;
    opacity: 0.6;
    transition: opacity var(--transition-fast), stroke-width var(--transition-fast);
}

.link:hover {
    opacity: 1;
    stroke-width: 2.5px;
    cursor: pointer;
}

.link.composition {
    stroke: var(--color-composition);
}

.link.association {
    stroke: var(--color-association);
    stroke-dasharray: 5, 5;
}

.node.dimmed, .link.dimmed {
    opacity: 0.2;
}

.link.highlighted {
    opacity: 1;
    stroke-width: 2.5px;
}

.link.selected {
    opacity: 1;
    stroke-width: 3px;
    stroke: var(--color-text-primary);
    filter: drop-shadow(0 0 5px var(--color-brand));
}

/* Edge labels */
.edge-label {
    font-size: 8px;
    font-weight: 400;
    fill: var(--color-text-muted);
    pointer-events: none;
    text-shadow:
        -1px -1px 0 var(--color-bg-primary),
        1px -1px 0 var(--color-bg-primary),
        -1px 1px 0 var(--color-bg-primary),
        1px 1px 0 var(--color-bg-primary);
}

.edge-label.hidden {
    display: none;
}

/* ===================================
   Legend
   =================================== */

.graph-legend {
    display: flex;
    gap: var(--space-xl);
    padding: var(--space-xs) var(--space-lg);
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    z-index: 10;
    align-items: center;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.legend-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.legend-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 10px;
    color: var(--color-text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    white-space: nowrap;
    color: var(--color-text-secondary);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-line {
    width: 20px;
    height: 2px;
}

.legend-line.composition {
    background: var(--color-composition);
}

.legend-line.association {
    background-image: repeating-linear-gradient(
        90deg,
        var(--color-association) 0,
        var(--color-association) 5px,
        transparent 5px,
        transparent 8px
    );
}

/* ===================================
   Sidebar
   =================================== */

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    margin-right: 0;
    transition: margin-right var(--transition-normal);
    overflow: hidden;
}

.sidebar.collapsed {
    margin-right: calc(var(--sidebar-width) * -1);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
}

#sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.close-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.sidebar-content::-webkit-scrollbar {
    width: 8px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-bg-elevated);
}

.empty-state {
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-xl);
}

/* ===================================
   Sidebar Content Sections
   =================================== */

.section {
    margin-bottom: var(--space-lg);
}

/* Markdown Content */
.markdown-body {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.markdown-body p {
    margin-bottom: var(--space-md);
}

.markdown-body p:last-child {
    margin-bottom: 0;
}

.markdown-body a {
    color: var(--color-brand);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
    padding: 2px 4px;
    color: var(--color-text-primary);
}

.markdown-body ul, .markdown-body ol {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.markdown-body li {
    margin-bottom: var(--space-xs);
}

.section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border-muted);
}

.section-content {
    font-size: 13px;
}

/* Node type badge */
.node-type-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.node-type-badge.root {
    background: rgba(88, 166, 255, 0.15);
    color: var(--color-root);
}

.node-type-badge.subentity {
    background: rgba(163, 113, 247, 0.15);
    color: var(--color-subentity);
}

.node-type-badge.external_ownership {
    background: rgba(247, 129, 102, 0.15);
    color: var(--color-external-ownership);
}

.node-type-badge.ephemeral {
    background: rgba(110, 118, 129, 0.15);
    color: var(--color-ephemeral);
}

/* Relations list */
.relation-list {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.relation-item {
    display: flex;
    align-items: center; /* keep vertical alignment */
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border-muted);
    cursor: pointer;
    transition: background var(--transition-fast);
    /* No margin or background to match property row */
}

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

.relation-item:hover {
    background: transparent; /* or keep consistent with property row hover if any */
}

/* Hover feedback for clickable parts */
.relation-name-clickable:hover {
    text-decoration: underline;
    text-decoration-color: var(--color-brand);
}

.relation-target-clickable:hover span,
.relation-target-clickable:hover {
    text-decoration: underline;
    text-decoration-color: var(--color-brand);
}

.relation-item.in-graph {
    opacity: 0.6;
}

.relation-indicator {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    margin-right: var(--space-sm);
    margin-top: 1px; /* visual alignment with text */
}

.relation-indicator.composition {
    background: var(--color-composition);
}

.relation-indicator.association {
    background: var(--color-association);
}

/* Left side of relation (Name/Key) */
.relation-name {
    flex: 0 0 40%;
    color: var(--color-text-secondary);
    font-family: var(--font-mono); /* Match property key */
    font-size: 11px;
    font-weight: normal;
    word-break: break-word;
    padding-right: var(--space-sm);
}

/* Right side of relation (Value/Type) */
.relation-type-name, .relation-type {
    flex: 1;
    font-family: var(--font-mono); /* Match property value code */
    font-size: 11px;
    color: var(--color-text-primary);
    word-break: break-word;
    /* Optional: background pill style like property code */
    /* background: var(--color-bg-tertiary);
       padding: 2px 6px;
       border-radius: var(--radius-sm); */
}

.relation-via {
    font-size: 11px;
    color: var(--color-text-muted);
}

/* Properties table */
.properties-table {
    width: 100%;
    font-size: 12px;
}

.property-row {
    display: flex;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border-muted);
}

.property-row:last-child {
    border-bottom: none;
}

.property-key {
    flex: 0 0 40%;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    word-break: break-word;
}

.property-value {
    flex: 1;
    color: var(--color-text-primary);
    word-break: break-word;
}

.property-value.code {
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Description */
.description {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        height: auto;
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .controls {
        width: 100%;
        justify-content: space-between;
    }

    .sidebar {
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 50;
        box-shadow: var(--shadow-lg);
    }

    :root {
        --sidebar-width: 320px;
    }
}

/* ===================================
   Animations
   =================================== */

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

.section {
    animation: fadeIn 0.3s ease both;
}

.section:nth-child(1) { animation-delay: 0.05s; }
.section:nth-child(2) { animation-delay: 0.1s; }
.section:nth-child(3) { animation-delay: 0.15s; }
.section:nth-child(4) { animation-delay: 0.2s; }
.section:nth-child(5) { animation-delay: 0.25s; }

/* ===================================
   Custom Tippy.js Dark Theme
   =================================== */

.tippy-box[data-theme~='dark-custom'] {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    line-height: 1.5;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.tippy-box[data-theme~='dark-custom'][data-placement^='top'] > .tippy-arrow::before {
    border-top-color: var(--color-bg-elevated);
}

.tippy-box[data-theme~='dark-custom'][data-placement^='bottom'] > .tippy-arrow::before {
    border-bottom-color: var(--color-bg-elevated);
}

.tippy-box[data-theme~='dark-custom'][data-placement^='left'] > .tippy-arrow::before {
    border-left-color: var(--color-bg-elevated);
}

.tippy-box[data-theme~='dark-custom'][data-placement^='right'] > .tippy-arrow::before {
    border-right-color: var(--color-bg-elevated);
}

/* Tooltip content styling */
.tippy-box[data-theme~='dark-custom'] .tippy-content {
    padding: var(--space-sm) var(--space-md);
}

.tippy-box[data-theme~='dark-custom'] .tippy-content p {
    margin: 0;
    color: var(--color-text-primary);
}

.tippy-box[data-theme~='dark-custom'] .tippy-content code {
    background: var(--color-bg-secondary);
    color: var(--color-accent);
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
}

.tippy-box[data-theme~='dark-custom'] .tippy-content a {
    color: var(--color-brand);
    text-decoration: none;
}

.tippy-box[data-theme~='dark-custom'] .tippy-content a:hover {
    text-decoration: underline;
}

/* ===================================
   JSON Schema Section (Collapsible)
   =================================== */

.json-schema-section {
    margin-top: var(--space-lg);
}

.json-schema-section.expanded .collapse-icon {
    transform: rotate(90deg);
}

.json-schema-section .collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.json-schema-section.expanded .collapsible-content {
    max-height: none;
    overflow: visible;
    margin-top: var(--space-sm);
}

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.collapsible-header:hover {
    background: var(--color-bg-elevated);
}

.collapsible-header h3 {
    flex: 1;
    min-width: 0;
}

.collapse-icon {
    display: inline-block;
    margin-right: var(--space-xs);
    transition: transform 0.2s ease;
    font-size: 10px;
    color: var(--color-text-secondary);
}

.schema-code {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    margin: 0;
    font-size: 11px;
    line-height: 1.5;
    overflow-x: auto;
}

.schema-code code {
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    white-space: pre;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
    border-color: var(--color-brand);
}

.copy-btn.copied {
    background: var(--color-brand);
    color: white;
    border-color: var(--color-brand);
}

.copy-btn svg {
    width: 14px;
    height: 14px;
}

.copy-text {
    font-family: var(--font-sans);
}