/* ===== ОСНОВНЫЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Цветовая схема - светлая тема */
    --primary-color: #2980B9;
    --secondary-color: #2C3E50;
    --accent-color: #E74C3C;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --info-color: #3498DB;
    
    /* Сетевые цвета */
    --state-color: #2980B9;
    --party-color: #E74C3C;
    --media-color: #27AE60;
    --public-color: #2ECC71;
    --civ-soc-color: #F39C12;
    --econ-color: #9B59B6;
    --ethnic-color: #34495E;
    --mass-color: #95A5A6;
    --expert-color: #1ABC9C;
    
    /* Типы связей */
    --control-color: #2980B9;
    --cooperation-color: #27AE60;
    --conflict-color: #E74C3C;
    --lobby-color: #8E44AD;
    --info-color: #7F8C8D;
    
    /* Фоны */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #ECF0F1;
    
    /* Текст */
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --text-light: #95A5A6;
    
    /* Границы */
    --border-color: #D5DBDB;
    --border-radius: 8px;
    
    /* Тени */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    
    /* Отступы */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
}

body.dark-theme {
    /* Темная тема */
    --primary-color: #3498DB;
    --secondary-color: #BDC3C7;
    --accent-color: #E74C3C;
    
    --bg-primary: #1A1A2E;
    --bg-secondary: #16213E;
    --bg-tertiary: #0F3460;
    
    --text-primary: #ECF0F1;
    --text-secondary: #BDC3C7;
    --text-light: #7F8C8D;
    
    --border-color: #2C3E50;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* ===== ШАПКА ===== */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003366 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.logo-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.header-controls {
    display: flex;
    gap: var(--spacing-md);
}

/* ===== КНОПКИ ===== */
.btn-primary, .btn-secondary, .btn-small {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: #F8F9FA;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ===== НАВИГАЦИЯ ===== */
.main-nav {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-tabs {
    display: flex;
    list-style: none;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.nav-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}

.nav-tab:hover {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

/* ===== ОСНОВНОЙ КОНТЕНТ ===== */
.dashboard-container {
    max-width: 1400px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-xl);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

.tab-header {
    margin-bottom: var(--spacing-xl);
}

.tab-header h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ===== СЕТЕВАЯ МОДЕЛЬ ===== */
.network-container {
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    gap: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.control-panel, .info-panel {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.control-panel h3, .info-panel h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group {
    margin-bottom: var(--spacing-lg);
}

.control-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.filter-btn {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

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

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.category-filters {
    display: grid;
    gap: var(--spacing-xs);
}

.category-filters label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
}

select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Граф область */
.graph-area {
    display: flex;
    flex-direction: column;
}

.graph-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.graph-header h3 {
    font-size: 1.3rem;
}

.graph-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.graph-container {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    min-height: 500px;
    position: relative;
}

.graph-legend {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.legend-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.state { background-color: var(--state-color); }
.legend-color.party { background-color: var(--party-color); }
.legend-color.media { background-color: var(--media-color); }
.legend-color.public_inst { background-color: var(--public-color); }
.legend-color.civ_soc { background-color: var(--civ-soc-color); }
.legend-color.econ { background-color: var(--econ-color); }

/* Статистика сети */
.network-stats {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--bg-primary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Информация об акторе */
.node-details {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
}

.placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.connections-info {
    margin-top: var(--spacing-lg);
}

.connections-list {
    max-height: 200px;
    overflow-y: auto;
    margin-top: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--spacing-sm);
}

/* Анализ сети */
.network-analysis {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.analysis-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.analysis-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.card-content h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* ===== АНАЛИТИКА ===== */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
}

.analytics-card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.analytics-card.full-width {
    grid-column: 1 / -1;
}

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

.card-header h3 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.time-range {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
}

.chart-container {
    height: 300px;
    width: 100%;
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* ===== ДАННЫЕ ===== */
.data-container {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.data-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.data-tabs {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
}

.data-tab-btn {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.data-tab-btn:hover {
    background-color: var(--bg-secondary);
}

.data-tab-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.data-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Таблица */
.data-table-container {
    margin-bottom: var(--spacing-xl);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.table-controls {
    display: flex;
    gap: var(--spacing-md);
}

#data-search {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 200px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: var(--bg-secondary);
    position: sticky;
    top: 0;
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.pagination-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Статистика данных */
.data-stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-bar, .stat-pie {
    margin-top: var(--spacing-md);
}

.bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.bar-container {
    flex: 1;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
}

.pie-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.pie-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.pie-color.control { background-color: var(--control-color); }
.pie-color.cooperation { background-color: var(--cooperation-color); }
.pie-color.conflict { background-color: var(--conflict-color); }
.pie-color.lobby { background-color: var(--lobby-color); }
.pie-color.other { background-color: var(--info-color); }

/* ===== ОТЧЕТЫ ===== */
.reports-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.reports-nav {
    border-right: 1px solid var(--border-color);
    padding-right: var(--spacing-lg);
}

.report-nav-item {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xs);
    transition: all 0.2s;
}

.report-nav-item:hover {
    background-color: var(--bg-tertiary);
}

.report-nav-item.active {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    font-weight: 600;
}

.report-content {
    display: flex;
    flex-direction: column;
}

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

.report-body {
    flex: 1;
    padding-right: var(--spacing-lg);
    max-height: 600px;
    overflow-y: auto;
}

/* Стили для отчетов */
.summary-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
}

.summary-card.highlight {
    border-left-color: var(--accent-color);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.summary-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.recommendations-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--success-color);
}

.recommendations-list {
    list-style: none;
    counter-reset: recommendation-counter;
}

.recommendations-list li {
    counter-increment: recommendation-counter;
    margin-bottom: var(--spacing-lg);
    padding-left: 40px;
    position: relative;
}

.recommendations-list li::before {
    content: counter(recommendation-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background-color: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* ===== ФУТЕР ===== */
.dashboard-footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-section li {
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.footer-bottom {
    max-width: 1400px;
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-note {
    margin-top: var(--spacing-xs);
    font-size: 0.8rem;
    opacity: 0.8;
}

/* ===== МОДАЛЬНОЕ ОКНО ===== */
.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;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: 60vh;
}

/* ===== АНИМАЦИИ ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 1200px) {
    .network-container {
        grid-template-columns: 1fr;
    }
    
    .control-panel, .info-panel {
        order: 1;
    }
    
    .graph-area {
        order: 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .reports-container {
        grid-template-columns: 1fr;
    }
    
    .reports-nav {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .data-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .data-tabs {
        order: 2;
    }
    
    .table-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    #data-search {
        width: 100%;
    }
    
    .stat-card {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .dashboard-container {
        padding: 0 var(--spacing-md);
    }
    
    .analysis-cards {
        grid-template-columns: 1fr;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===== УТИЛИТЫ ===== */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.highlight {
    background-color: rgba(41, 128, 185, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--primary-color);
}

.error-message {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-md);
    border-radius: 4px;
    color: var(--accent-color);
    margin: var(--spacing-md) 0;
}

.success-message {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--success-color);
    padding: var(--spacing-md);
    border-radius: 4px;
    color: var(--success-color);
    margin: var(--spacing-md) 0;
}

.tooltip {
    position: absolute;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    font-size: 0.85rem;
    max-width: 300px;
    z-index: 1000;
    pointer-events: none;
}

/* Плавная прокрутка */
html {
    scroll-behavior: smooth;
}

/* Выделение текста */
::selection {
    background-color: rgba(41, 128, 185, 0.3);
    color: var(--text-primary);
}