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

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --bg-color: #f8f9fa;
    --text-color: #333;
    --border-color: #ddd;
    --sidebar-width: 280px;
}

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

/* Главная страница */
.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
}

.landing-header {
    text-align: center;
    padding: 4rem 2rem;
}

.landing-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInDown 0.8s;
}

.landing-header h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    animation: fadeIn 1s;
}

/* Информационные карточки */
.project-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, background 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.info-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Секции документов */
.docs-sections {
    max-width: 1400px;
    margin: 4rem auto;
}

.doc-section {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.doc-section h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.doc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.doc-card {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
    display: block;
}

.doc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.doc-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.doc-card p {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Страницы документов */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--secondary-color);
    color: white;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-name {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-section {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.nav-section ul {
    list-style: none;
}

.nav-section li {
    margin-bottom: 0.5rem;
}

.nav-section a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.2s;
    font-size: 0.9rem;
}

.nav-section a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-section li.active a {
    background: var(--primary-color);
}

/* Контент */
.content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
}

.breadcrumb {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb span {
    margin: 0 0.5rem;
}

/* Markdown контент */
.markdown-body {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    max-width: 1200px;
}

.markdown-body h1 {
    color: var(--secondary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
}

.markdown-body h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.markdown-body h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.markdown-body h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.markdown-body p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.markdown-body ul,
.markdown-body ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.markdown-body li {
    margin-bottom: 0.5rem;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    text-align: left;
}

.markdown-body th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background: var(--bg-color);
}

.markdown-body code {
    color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.markdown-body pre {
    background: var(--secondary-color);
    color: white;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
}

.markdown-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1rem 0;
    color: #666;
    font-style: italic;
}

.markdown-body hr {
    border: none;
    height: 2px;
    background: var(--border-color);
    margin: 2rem 0;
}

.markdown-body strong {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Футер */
.doc-footer {
    margin-top: 3rem;
    padding: 2rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.landing-footer {
    text-align: center;
    padding: 2rem;
    opacity: 0.9;
    margin-top: 2rem;
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
    }

    .markdown-body {
        padding: 1.5rem;
    }

    .landing-header h1 {
        font-size: 2rem;
    }

    .landing-header h2 {
        font-size: 1.3rem;
    }
}

/* Скроллбар */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Поддержка div.table-wrapper из markdown */
.table-wrapper {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.table-wrapper table {
    margin: 0;
}