/* ============================================================================
   TRYzillya TreeLab Documentation Styles
   Inspired by Valve, Epic Games, and Fab design patterns
   Version: 1.0
   Author: AI Assistant for Tryzillya.st
   ============================================================================ */

/* CSS Variables for easy theming */
:root {
    /* Core Colors */
    --color-bg-primary: #0f0f14;
    --color-bg-secondary: #1a1a23;
    --color-bg-tertiary: #2d2d3a;
    --color-bg-code: #1e1e2a;
    --color-bg-warning: rgba(255, 107, 107, 0.1);
    --color-bg-warning-border: #ff6b6b;
    --color-bg-info: rgba(74, 158, 255, 0.1);
    --color-bg-info-border: #4a9eff;
    --color-bg-success: rgba(82, 215, 151, 0.1);
    --color-bg-success-border: #52d797;
    
    /* Text Colors */
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #a0a0b0;
    --color-text-tertiary: #707080;
    --color-text-accent: #4a9eff;
    --color-text-warning: #ff6b6b;
    --color-text-success: #52d797;
    --color-text-code: #f8f8f2;
    
    /* Accent Colors */
    --color-accent-blue: #4a9eff;
    --color-accent-green: #52d797;
    --color-accent-red: #ff6b6b;
    --color-accent-yellow: #ffd966;
    --color-accent-purple: #a78bfa;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-mono: 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    --border-radius-xl: 12px;
    --border-width: 1px;
    --border-color: #2d2d3a;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 16px rgba(74, 158, 255, 0.3);
    
    /* Layout */
    --max-width: 1200px;
    --nav-width: 280px;
    --header-height: 80px;
}

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

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(74, 158, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(82, 215, 151, 0.05) 0%, transparent 20%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

.doc-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
}

/* ============================================================================
   Header
   ============================================================================ */

.doc-header {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.doc-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.doc-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.doc-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.doc-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    position: relative;
    z-index: 1;
}

.doc-meta-item {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: var(--border-width) solid var(--border-color);
}

/* ============================================================================
   Warning Block
   ============================================================================ */

.doc-warning {
    background: var(--color-bg-warning);
    border: 1px solid var(--color-bg-warning-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    position: relative;
    overflow: hidden;
}

.doc-warning::before {
    content: '⚠️';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: var(--font-size-3xl);
    opacity: 0.2;
}

.doc-warning-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-warning);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-warning-title::before {
    content: '⚠️';
    font-size: var(--font-size-lg);
}

.doc-warning-text {
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
}

.doc-highlight {
    color: var(--color-text-accent);
    font-weight: 600;
}

/* ============================================================================
   Table of Contents
   ============================================================================ */

.doc-toc {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    border: var(--border-width) solid var(--border-color);
    /* Видалено sticky позиціонування */
    /* position: sticky; */
    /* top: var(--spacing-lg); */
    /* z-index: 10; */
    box-shadow: var(--shadow-md);
}

.doc-toc-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-toc-title::before {
    content: '📋';
}

.doc-toc-list {
    list-style: none;
    counter-reset: toc-counter;
}

.doc-toc-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    display: block;
    padding: var(--spacing-xs) 0;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
    padding-left: var(--spacing-sm);
}

.doc-toc-link::before {
    counter-increment: toc-counter;
    content: counter(toc-counter) ". ";
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.doc-toc-link:hover {
    color: var(--color-text-accent);
    border-left-color: var(--color-accent-blue);
    padding-left: var(--spacing-md);
}

/* ============================================================================
   Sections
   ============================================================================ */

.doc-section {
    margin-bottom: var(--spacing-xxl);
    scroll-margin-top: var(--header-height);
}

.doc-heading-1 {
    font-size: var(--font-size-3xl);
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.doc-heading-1::before {
    font-size: var(--font-size-2xl);
    filter: drop-shadow(0 0 4px var(--color-accent-blue));
}

.doc-heading-2 {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-heading-2::before {
    color: var(--color-text-tertiary);
}

.doc-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-md);
}

/* ============================================================================
   Lists
   ============================================================================ */

.doc-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.doc-list-item {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.doc-list-item::before {
    content: '•';
    color: var(--color-accent-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xl);
}

.doc-list-features .doc-list-item::before {
    content: '✓';
    color: var(--color-accent-green);
}

.doc-list-modules .doc-list-item::before {
    content: '➤';
    color: var(--color-accent-purple);
}

/* ============================================================================
   Tables
   ============================================================================ */

.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.doc-table-header {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-md);
}

.doc-table-cell {
    padding: var(--spacing-md);
    border-top: var(--border-width) solid var(--border-color);
    color: var(--color-text-secondary);
}

.doc-table tr:hover {
    background: var(--color-bg-tertiary);
    transition: background 0.2s ease;
}

/* ============================================================================
   Code Blocks
   ============================================================================ */

.doc-code-block {
    background: var(--color-bg-code);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-code);
    overflow-x: auto;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.3);
}

.doc-code-inline {
    background: var(--color-bg-tertiary);
    padding: 0.2em 0.4em;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-code);
    border: var(--border-width) solid var(--border-color);
}

.doc-code-block-cpp {
    border-left: 4px solid var(--color-accent-blue);
}

.doc-code-block-cs {
    border-left: 4px solid var(--color-accent-green);
}

.doc-code-block-json {
    border-left: 4px solid var(--color-accent-yellow);
}

/* ============================================================================
   File Details
   ============================================================================ */

.doc-file-description {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.doc-file-description:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.doc-file-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-file-title::before {
    content: '📄';
}

.doc-file-role {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.doc-file-role strong {
    color: var(--color-text-primary);
}

.doc-file-purpose {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.doc-parameter-categories {
    list-style: none;
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-accent-blue);
}

.doc-parameter-category {
    color: var(--color-text-primary);
    font-weight: 600;
}

.doc-method-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.doc-method-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
}

.doc-method-list li code {
    color: var(--color-text-accent);
}

/* ============================================================================
   Installation Steps
   ============================================================================ */

.doc-install-steps {
    display: grid;
    gap: var(--spacing-md);
}

.doc-step {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.doc-step-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-step-title::before {
    content: '▶';
    color: var(--color-accent-green);
}

.doc-step-list {
    list-style: none;
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-accent-green);
}

.doc-step-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
}

/* ============================================================================
   File Tree
   ============================================================================ */

.doc-file-tree {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--border-color);
    overflow-x: auto;
}

.doc-file-tree-content {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.doc-file-tree-content .folder {
    color: var(--color-accent-blue);
    font-weight: 600;
}

.doc-file-tree-content .file {
    color: var(--color-text-primary);
}

/* ============================================================================
   Feature Lists
   ============================================================================ */

.doc-feature-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.doc-feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-md);
    border: var(--border-width) solid var(--border-color);
}

.doc-feature-name {
    color: var(--color-text-accent);
    font-weight: 600;
    min-width: 120px;
}

.doc-feature-item::before {
    content: '✓';
    color: var(--color-accent-green);
    font-weight: bold;
    font-size: var(--font-size-lg);
    margin-top: -2px;
}

/* ============================================================================
   API Section
   ============================================================================ */

.doc-api-block {
    background: var(--color-bg-secondary);
    border: var(--border-width) solid var(--color-accent-blue);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.doc-api-block::before {
    content: 'C++';
    position: absolute;
    top: 0;
    right: var(--spacing-md);
    background: var(--color-accent-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ============================================================================
   Presets
   ============================================================================ */

.doc-preset {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.doc-preset:hover {
    border-color: var(--color-accent-blue);
    box-shadow: var(--shadow-glow);
}

.doc-preset-birch:hover {
    border-color: var(--color-accent-green);
    box-shadow: 0 0 16px rgba(82, 215, 151, 0.3);
}

.doc-preset-pine:hover {
    border-color: var(--color-accent-yellow);
    box-shadow: 0 0 16px rgba(255, 217, 102, 0.3);
}

.doc-preset-oak:hover {
    border-color: var(--color-accent-purple);
    box-shadow: 0 0 16px rgba(167, 139, 250, 0.3);
}

.doc-preset-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.doc-preset-logic {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-sm);
    border-left: 4px solid var(--color-accent-blue);
}

.doc-preset-logic .doc-logic-title {
    color: var(--color-text-accent);
}

/* ============================================================================
   Troubleshooting
   ============================================================================ */

.doc-troubleshooting-item {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.doc-error-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-warning);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.doc-error-title::before {
    content: '⚠️';
}

.doc-cause-label,
.doc-solution-label {
    color: var(--color-text-accent);
    font-weight: 600;
}

/* ============================================================================
   Links
   ============================================================================ */

.doc-link {
    color: var(--color-text-accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--color-accent-blue);
    transition: all 0.2s ease;
}

.doc-link:hover {
    border-bottom-style: solid;
    text-shadow: 0 0 8px rgba(74, 158, 255, 0.5);
}

.doc-toc-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    display: block;
    padding: var(--spacing-xs) 0;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
    padding-left: var(--spacing-sm);
}

.doc-toc-link:hover {
    color: var(--color-text-accent);
    border-left-color: var(--color-accent-blue);
    padding-left: var(--spacing-md);
}

/* ============================================================================
   Contact
   ============================================================================ */

.doc-contact-info {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--border-color);
}

.doc-contact-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.doc-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-md);
}

.doc-contact-label {
    color: var(--color-text-accent);
    font-weight: 600;
    min-width: 120px;
}

.doc-contact-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.doc-contact-link:hover {
    color: var(--color-accent-blue);
    text-decoration: underline;
}

/* ============================================================================
   Footer
   ============================================================================ */

.doc-footer {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
    border: var(--border-width) solid var(--border-color);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.doc-footer-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-accent);
    margin-bottom: var(--spacing-sm);
}

.doc-footer-slogan {
    color: var(--color-text-secondary);
    font-style: italic;
}

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

@media (max-width: 768px) {
    .doc-container {
        padding: var(--spacing-sm);
    }
    
    .doc-title {
        font-size: var(--font-size-3xl);
    }
    
    .doc-heading-1 {
        font-size: var(--font-size-2xl);
    }
    
    .doc-heading-2 {
        font-size: var(--font-size-xl);
    }
    
    .doc-table {
        font-size: var(--font-size-sm);
    }
    
    .doc-table-header,
    .doc-table-cell {
        padding: var(--spacing-sm);
    }
    
    .doc-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .doc-toc {
        position: static;
    }
}

@media (max-width: 480px) {
    .doc-title {
        font-size: var(--font-size-2xl);
    }
    
    .doc-section {
        margin-bottom: var(--spacing-xl);
    }

    .doc-code-block {
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
    }

    .doc-file-description {
        padding: var(--spacing-md);
    }
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
    body {
        background: white;
        color: black;
    }
    
    .doc-container {
        max-width: 100%;
        padding: 0;
    }
    
    .doc-toc {
        display: none;
    }
    
    .doc-warning {
        page-break-inside: avoid;
        background: #fff5f5 !important;
        border-color: #ff6b6b !important;
    }
    
    .doc-section {
        page-break-before: auto;
        page-break-after: auto;
    }
    
    .doc-file-description {
        page-break-inside: avoid;
    }

    .doc-code-block {
        background: #f5f5f5 !important;
        border-color: #ddd !important;
    }
}

/* ============================================================================
   Smooth Scrolling & Selection
   ============================================================================ */

::selection {
    background: var(--color-accent-blue);
    color: white;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--color-bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-blue);
}

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

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

.doc-section {
    animation: fadeIn 0.5s ease-out;
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* ============================================================================
   End of Styles
   ============================================================================ */