:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --hover-color: #f3f4f6;
}

.editor-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.article-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.form-header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--dark-gray);
}

.form-actions {
    display: flex;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: 0.375rem;
    font-size: 1rem;
    color: var(--dark-gray);
    background: var(--white);
    transition: border-color 0.2s;
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

.button.primary:hover {
    background: var(--primary-dark);
}

.button.secondary {
    background: var(--light-gray);
    color: var(--dark-gray);
}

.button.secondary:hover {
    background: var(--gray);
    color: var(--white);
}

/* Стили для SimpleMDE */
.editor-toolbar {
    border: 1px solid var(--light-gray);
    border-radius: 0.375rem 0.375rem 0 0;
    background: var(--white);
}

.CodeMirror {
    border: 1px solid var(--light-gray);
    border-radius: 0 0 0.375rem 0.375rem;
    height: 400px;
}

.editor-preview,
.editor-preview-side {
    background: var(--white);
    padding: 1rem;
}

.editor-preview h1,
.editor-preview h2,
.editor-preview h3,
.editor-preview h4,
.editor-preview h5,
.editor-preview h6 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.25;
}

.editor-preview p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.editor-preview code {
    padding: 0.2em 0.4em;
    background: var(--light-gray);
    border-radius: 0.25rem;
    font-size: 0.875em;
}

.editor-preview pre {
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 0.375rem;
    overflow-x: auto;
}

.editor-preview blockquote {
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    border-left: 4px solid var(--primary-color);
    background: var(--light-gray);
    color: var(--dark-gray);
}

.editor-preview ul,
.editor-preview ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.editor-preview li {
    margin-bottom: 0.5rem;
}

.editor-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.editor-preview th,
.editor-preview td {
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
}

.editor-preview th {
    background: var(--light-gray);
    font-weight: 600;
}

.knowledge-container {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.knowledge-sidebar {
    width: 300px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.knowledge-content {
    flex: 1;
    min-width: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.sidebar-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.create-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.create-button:hover {
    background: var(--primary-dark);
}

.search-box {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.search-button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.search-button:hover {
    color: var(--primary);
}

.search-button:focus {
    outline: none;
    color: var(--primary);
}

.search-button svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.tags-filter {
    margin-bottom: 1.5rem;
}

.tags-filter h3 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    background-color: #e2e8f0;
    color: #4a5568;
    border-radius: 1rem;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.tag:hover {
    background-color: #cbd5e0;
    color: #2d3748;
}

.tag.active {
    background-color: #4299e1;
    color: white;
}

.block-tags {
    padding: 0.25rem 1.5rem 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background-color: var(--bg-secondary);
}

.block-tags .tag {
    background-color: #ebf8ff;
    color: #2b6cb0;
    border: 1px solid #bee3f8;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.block-tags .tag:hover {
    background-color: #bee3f8;
    color: #2c5282;
}

/* Стили для выбранных тегов в блоках */
.block-tags .tag.active {
    background-color: #2563eb;
    color: white;
    border-color: #2563eb;
}

.block-tags .tag.active:hover {
    background-color: #1d4ed8;
    color: white;
}

.articles-count {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1;
    pointer-events: none;
}

.articles-count .count {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
}

.articles-count .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background-color: #f3f4f6;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 1.75rem;
}

.progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--progress-width, 0%);
    background-color: #e0f2fe;
    z-index: 0;
    transition: width 0.3s ease;
}

.progress[data-progress="0"]::before {
    background-color: #f3f4f6;
}

.progress[data-progress="100"]::before {
    background-color: #dbeafe;
}

.progress > * {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress:hover {
    background-color: #e5e7eb;
}

.progress svg {
    width: 1rem;
    height: 1rem;
}

.progress span {
    font-weight: 500;
    font-size: 0.95rem;
}

/* Стили для прогресса в зависимости от значения */
.progress[data-progress="0"] svg {
    color: #9ca3af;
}

.progress[data-progress="100"] svg {
    color: #2563eb;
}

.progress:not([data-progress="0"]):not([data-progress="100"]) svg {
    color: #60a5fa;
}

.content-header {
    margin-bottom: 2rem;
}

.content-header h1 {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    color: var(--text-primary);
}

.subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.blocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.block-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.block-link {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    text-decoration: none;
    color: inherit;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
}

.card-content h3 {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.4;
    transition: color 0.2s ease;
}

.description {
    margin: 0 0 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    flex-grow: 1;
    transition: color 0.2s ease;
    min-height: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.block-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.block-card:hover .card-content h3,
.block-card:hover .description {
    color: var(--primary);
}

.card-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background-color: #f3f4f6;
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.block-card:hover .card-image img {
    transform: scale(1.05);
}

.block-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

@media (max-width: 1024px) {
    .knowledge-container {
        flex-direction: column;
    }
    
    .knowledge-sidebar {
        width: 100%;
    }
    
    .blocks-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .knowledge-container {
        padding: 1rem;
    }
    
    .blocks-grid {
        grid-template-columns: 1fr;
    }
    
    .card-content {
        padding: 1rem;
    }
    
    .card-content h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .description {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
        -webkit-line-clamp: 3;
    }
    
    .block-meta {
        gap: 0.5rem;
        padding-top: 0.5rem;
    }
    
    .articles-count {
        top: 0.75rem;
        right: 0.75rem;
        padding: 0.4rem 0.6rem;
    }
    
    .articles-count .count {
        font-size: 1.1rem;
    }
    
    .articles-count .label {
        font-size: 0.7rem;
    }
    
    .progress {
        height: 1.5rem;
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .progress svg {
        width: 0.9rem;
        height: 0.9rem;
    }
    
    .progress span {
        font-size: 0.9rem;
    }
    
    .block-tags {
        padding: 0.25rem 1rem 0.75rem;
    }
}

/* Стили для страницы блока */
.block-header {
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.block-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.block-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.progress-container {
    margin-bottom: 2rem;
    padding: 0 2rem;
}

.progress {
    height: 1.75rem;
    background-color: #f3f4f6;
    border-radius: 0.75rem;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background-color: #60a5fa;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
}

.progress[data-progress="0"] .progress-bar {
    background-color: #9ca3af;
}

.progress[data-progress="100"] .progress-bar {
    background-color: #2563eb;
}

.articles-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem;
}

.article-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.article-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-actions {
    margin-top: auto;
}

.article-actions .btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 0.5rem;
}

.badge.bg-success {
    background-color: #10b981 !important;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .block-header {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .block-header h1 {
        font-size: 1.5rem;
    }
    
    .block-description {
        font-size: 1rem;
    }
    
    .progress-container,
    .articles-list {
        padding: 0 1rem;
    }
    
    .articles-list {
        grid-template-columns: 1fr;
    }
    
    .article-card {
        padding: 1rem;
    }
    
    .article-header h2 {
        font-size: 1.1rem;
    }
}

/* Стили для страницы статьи */
.article-content {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.article-content h2,
.article-content h3,
.article-content h4 {
    margin: 2rem 0 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.article-content h2 {
    font-size: 1.8rem;
}

.article-content h3 {
    font-size: 1.5rem;
}

.article-content h4 {
    font-size: 1.3rem;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background-color: var(--bg-secondary);
    border-radius: 0 8px 8px 0;
}

.article-content code {
    background-color: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

.article-content pre {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-content pre code {
    background-color: transparent;
    padding: 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    overflow-x: auto;
    display: block;
}

.article-content table th,
.article-content table td {
    padding: 0.75rem;
    border: 1px solid var(--border);
}

.article-content table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

.article-navigation {
    margin: 2rem 0;
}

.article-navigation .btn {
    max-width: 45%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 1rem 0;
}

.article-meta i {
    margin-right: 0.5rem;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .article-content {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    .article-content h3 {
        font-size: 1.3rem;
    }
    
    .article-content h4 {
        font-size: 1.1rem;
    }
    
    .article-content img {
        margin: 1.5rem 0;
    }
    
    .article-navigation .btn {
        max-width: 100%;
        margin-bottom: 1rem;
    }
    
    .article-navigation {
        flex-direction: column;
    }
    
    .article-meta {
        font-size: 0.85rem;
    }
}

/* Стили для боковой панели */
.block-info-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.block-info-card h5 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.block-info-card .progress {
    height: 1.5rem;
    margin: 1rem 0;
}

.block-articles .list-group-item {
    border: none;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    transition: all 0.2s;
}

.block-articles .list-group-item:hover {
    background-color: var(--bg-hover);
    transform: translateX(5px);
}

.block-articles .list-group-item.active {
    background-color: var(--primary);
    color: white;
}

.block-articles .list-group-item h6 {
    margin: 0;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .block-info-card {
        margin-top: 2rem;
    }
}