/* css/style.css - ОСНОВНЫЕ СТИЛИ */
:root {
    --primary-color: #d4a574;
    --primary-dark: #b58c5a;
    --secondary-color: #2c3e50;
    --light-color: #ffffff;
    --light-gray: #f5f5f5;
    --gray: #e0e0e0;
    --dark-gray: #333333;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--light-color);
    border-bottom: 3px solid var(--primary-color);
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    background: var(--light-color);
    border: 2px solid var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    height: 40px;
    text-align: center;
}

.nav-btn:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Main Content */
.main {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

.content {
    background-color: var(--light-color);
    padding: 40px;
    border: 2px solid var(--gray);
    box-shadow: var(--shadow);
}

.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

/* Typography */
h2 {
    font-size: 32px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background-color: var(--primary-dark);
}

h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

/* News Section */
.news-section {
    max-width: 800px;
    margin: 0 auto;
}

.news-list {
    margin-top: 30px;
}

.news-item {
    background-color: var(--light-gray);
    padding: 25px;
    margin-bottom: 20px;
    border: 2px solid var(--gray);
    border-radius: 0;
    position: relative;
}

.news-item h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 22px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.news-content {
    line-height: 1.8;
    font-size: 16px;
    white-space: pre-line;
    margin-bottom: 15px;
}

.news-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--gray);
}

.news-editor {
    margin-top: 40px;
    padding: 25px;
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
}

.news-editor h3 {
    margin-bottom: 20px;
}

/* Articles Layout */
.articles-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    min-height: 600px;
}

.articles-sidebar {
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    padding: 20px;
    overflow-y: auto;
    max-height: 600px;
}

.articles-main {
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    padding: 30px;
    overflow-y: auto;
}

/* Theme Tree */
.theme-tree-readonly {
    margin-top: 15px;
}

.theme-item-readonly {
    margin: 10px 0;
    border: 2px solid var(--gray);
    background-color: var(--light-color);
}

.theme-header-readonly {
    padding: 12px;
    background-color: var(--light-gray);
    border-bottom: 2px solid var(--gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
}

.theme-header-readonly:hover {
    background-color: #f0f0f0;
}

.theme-icon {
    margin-right: 10px;
    color: var(--primary-color);
}

.subthemes-readonly {
    padding-left: 25px;
    border-left: 2px dashed var(--gray);
    margin-left: 10px;
}

.articles-list-readonly {
    padding: 15px;
    background-color: var(--light-color);
}

.article-item-readonly {
    padding: 12px;
    margin: 8px 0;
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    cursor: pointer;
    transition: var(--transition);
}

.article-item-readonly:hover {
    border-color: var(--primary-color);
    background-color: #fff;
}

.article-info h4 {
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.article-meta {
    font-size: 13px;
    color: #666;
    display: flex;
    gap: 15px;
}

/* Article View */
.article-view {
    padding: 20px 0;
}

.article-title {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.article-meta-full {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray);
    color: #666;
}

.article-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--dark-gray);
}

.article-content h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.article-content p {
    margin-bottom: 18px;
}

.article-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.article-content a:hover {
    border-bottom-color: var(--primary-color);
}

/* Calculator */
.calculator-input {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    margin-bottom: 20px;
    border: 2px solid var(--gray);
    font-family: 'Roboto', monospace;
    letter-spacing: 1px;
}

.calculator-result {
    padding: 25px;
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    margin-top: 20px;
    font-family: 'Roboto', monospace;
}

.result-item {
    margin: 15px 0;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-label {
    font-weight: 600;
    color: var(--secondary-color);
    min-width: 200px;
}

.result-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 20px;
    font-family: 'Roboto Mono', monospace;
}

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--gray);
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    transition: var(--transition);
    background-color: var(--light-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* Buttons */
.btn {
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    padding: 12px 30px;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    min-width: 140px;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary {
    background-color: var(--primary-color);
    font-size: 18px;
    padding: 15px 40px;
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #1a252f;
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #219653;
}

.btn-danger {
    background-color: var(--error-color);
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: var(--warning-color);
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-info {
    background-color: var(--info-color);
}

.btn-info:hover {
    background-color: #2980b9;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    min-width: auto;
}

.btn-wide {
    width: 100%;
    justify-content: center;
}

/* Admin Panel */
.admin-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.admin-section {
    padding: 25px;
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    transition: var(--transition);
}

.admin-section:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.admin-section h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* User Management */
.users-list {
    max-height: 500px;
    overflow-y: auto;
    margin-top: 20px;
    margin-bottom: 20px;
    border: 2px solid var(--gray);
}

.user-item {
    padding: 15px;
    margin: 0;
    background-color: var(--light-color);
    border-bottom: 1px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.user-item:hover {
    background-color: var(--light-gray);
}

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

.user-info h4 {
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.user-role {
    font-size: 14px;
    color: #666;
    display: inline-block;
    padding: 3px 8px;
    background-color: #f0f0f0;
    border-radius: 3px;
}

.user-actions {
    display: flex;
    gap: 8px;
}

/* User Form */
.user-form {
    background-color: var(--light-gray);
    padding: 25px;
    border: 2px solid var(--gray);
    margin-top: 20px;
}

.user-form h3 {
    margin-bottom: 20px;
}

/* Messages */
.message {
    padding: 15px;
    margin: 15px 0;
    border: 2px solid;
    font-weight: 500;
    border-radius: 4px;
}

.message.success {
    background-color: rgba(39, 174, 96, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.message.error {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.message.info {
    background-color: rgba(52, 152, 219, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

.message.warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--secondary-color);
    font-size: 18px;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--light-color);
    padding: 30px;
    width: 100%;
    max-width: 500px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-title {
    margin-bottom: 25px;
    color: var(--secondary-color);
    font-size: 24px;
    padding-right: 30px;
}

/* Profile */
.profile-card {
    background-color: var(--light-gray);
    padding: 30px;
    border: 2px solid var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.profile-info {
    margin-bottom: 25px;
}

.profile-info p {
    margin-bottom: 15px;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.role-badge {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 5px 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
    border-radius: 0;
    display: inline-block;
}

/* Password Change */
.password-change {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--gray);
}

.password-change h3 {
    margin-bottom: 20px;
}

/* Form Buttons */
.form-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.form-buttons .btn {
    flex: 1;
    min-width: 150px;
}

/* Theme Management */
.theme-management {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.theme-list {
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    padding: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.theme-form {
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    padding: 20px;
}

.theme-item {
    padding: 12px;
    margin: 8px 0;
    background-color: var(--light-color);
    border: 1px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.theme-item:hover {
    border-color: var(--primary-color);
}

.theme-actions {
    display: flex;
    gap: 5px;
}

/* Responsive */
@media (max-width: 992px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav {
        width: 100%;
        justify-content: center;
    }
    
    .articles-container {
        grid-template-columns: 1fr;
    }
    
    .admin-panel {
        grid-template-columns: 1fr;
    }
    
    .nav-btn {
        min-width: 100px;
        padding: 8px 15px;
    }
    
    .theme-management {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .content {
        padding: 20px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    .nav-btn {
        padding: 8px 12px;
        font-size: 12px;
        min-width: 80px;
    }
    
    .btn {
        min-width: 120px;
        padding: 10px 20px;
    }
    
    .form-buttons {
        flex-direction: column;
    }
    
    .form-buttons .btn {
        width: 100%;
    }
    
    .user-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-btn {
        width: 100%;
    }
    
    .user-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .user-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

/* ===================== УЛУЧШЕННЫЙ ДИЗАЙН СТАТЕЙ ===================== */
.articles-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    min-height: 600px;
    background-color: var(--light-color);
    border: 2px solid var(--gray);
    padding: 20px;
    border-radius: 8px;
}

.articles-sidebar {
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    padding: 20px;
    overflow-y: auto;
    max-height: 700px;
    border-radius: 6px;
}

.articles-main {
    padding: 20px;
    overflow-y: auto;
    background-color: var(--light-color);
    border-radius: 6px;
}

/* Дерево тем в сайдбаре */
.theme-tree-readonly {
    margin-top: 15px;
}

.theme-item-readonly {
    margin: 10px 0;
    border: 2px solid var(--gray);
    background-color: var(--light-color);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition);
}

.theme-item-readonly:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.theme-header-readonly {
    padding: 15px;
    background-color: var(--light-gray);
    border-bottom: 2px solid var(--gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
}

.theme-header-readonly:hover {
    background-color: #f0f0f0;
}

.theme-icon {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 18px;
}

.theme-content {
    padding: 15px;
    background-color: var(--light-color);
}

.subthemes-readonly {
    padding-left: 25px;
    border-left: 2px dashed var(--gray);
    margin-left: 10px;
}

.articles-list-readonly {
    margin-top: 15px;
}

.article-item-readonly {
    padding: 15px;
    margin: 10px 0;
    background-color: var(--light-gray);
    border: 2px solid var(--gray);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 15px;
}

.article-item-readonly:hover {
    border-color: var(--primary-color);
    background-color: #fff;
    transform: translateX(5px);
}

.article-item-readonly .article-info {
    flex: 1;
}

.article-item-readonly .article-info h4 {
    margin-bottom: 5px;
    color: var(--secondary-color);
    font-size: 16px;
}

.article-item-readonly .article-meta {
    font-size: 13px;
    color: #666;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.article-item-readonly .article-icon {
    font-size: 20px;
    color: var(--primary-color);
}

/* Улучшенный просмотр статьи */
.article-view {
    padding: 25px;
    background-color: var(--light-color);
    border: 2px solid var(--gray);
    border-radius: 8px;
}

.article-title {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    line-height: 1.2;
}

.article-meta-full {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray);
    color: #666;
    align-items: center;
    flex-wrap: wrap;
}

.article-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--dark-gray);
}

.article-content h2 {
    font-size: 28px;
    margin-top: 30px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.article-content h3 {
    font-size: 22px;
    margin-top: 25px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.article-content p {
    margin-bottom: 20px;
    text-align: justify;
}

.article-content ul, .article-content ol {
    margin-left: 30px;
    margin-bottom: 20px;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.article-content a:hover {
    border-bottom-color: var(--primary-color);
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin-left: 0;
    margin-bottom: 20px;
    color: #666;
    font-style: italic;
    background-color: var(--light-gray);
    padding: 15px 20px;
    border-radius: 4px;
}

.article-content pre {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin-bottom: 20px;
    border: 1px solid #444;
    color: #f0f0f0;
}

.article-content code {
    background-color: #f8f9fa;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    border: 1px solid #e9ecef;
}

/* Пустое состояние */
.articles-empty {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.articles-empty i {
    font-size: 64px;
    color: var(--gray);
    margin-bottom: 20px;
    display: block;
}

.articles-empty h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* Кнопки действий для статей */
.article-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid var(--gray);
}

/* Адаптивность для статей */
@media (max-width: 992px) {
    .articles-container {
        grid-template-columns: 1fr;
    }
    
    .articles-sidebar {
        max-height: 400px;
    }
    
    .article-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .article-item-readonly {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .article-meta, .article-meta-full {
        flex-direction: column;
        gap: 10px;
    }
    
    .article-title {
        font-size: 24px;
    }
}