/* ========================================
   ArbiInvest - Основные стили
   Темная тема в стиле ChatGPT/Claude
   ======================================== */

/* Переменные CSS */
:root {
    /* Основные цвета темной темы */
    --bg-primary: #0c0d0e;
    --bg-secondary: #151618;
    --bg-tertiary: #1e1f22;
    --bg-card: #202124;
    --bg-hover: #2a2b2f;
    --bg-active: #35363a;
    
    /* Цвета текста */
    --text-primary: #e3e3e3;
    --text-secondary: #a0a0a0;
    --text-tertiary: #6b6b6b;
    --text-muted: #4a4a4a;
    
    /* Акцентные цвета */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --accent-hover: #7c7ff3;
    
    /* Статусные цвета */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    
    /* Границы */
    --border-color: #2a2b2f;
    --border-light: #35363a;
    --border-focus: var(--accent-primary);
    
    /* Типография */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', 'Consolas', monospace;
    
    /* Размеры */
    --header-height: 64px;
    --container-max: 1280px;
    --sidebar-width: 280px;
    
    /* Отступы */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Радиусы */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Тени */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
    
    /* Анимации */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-индексы */
    --z-dropdown: 100;
    --z-header: 200;
    --z-modal-backdrop: 300;
    --z-modal: 400;
    --z-notification: 500;
    --z-tooltip: 600;
}

/* Сброс стилей */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Основные стили */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Контейнер */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Прелоадер */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--transition-slow);
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader__spinner {
    position: relative;
    width: 60px;
    height: 60px;
}

.preloader__ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.preloader__ring:nth-child(2) {
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border-top-color: var(--accent-secondary);
    animation-delay: 0.2s;
}

.preloader__ring:nth-child(3) {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-top-color: var(--success);
    animation-delay: 0.4s;
}

/* Хедер */
.header {
    position: sticky;
    top: 0;
    background: rgba(12, 13, 14, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-header);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header__content {
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

/* Логотип */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo__icon {
    width: 36px;
    height: 36px;
    animation: float 3s ease-in-out infinite;
}

.logo__text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* Навигация */
.nav {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
    justify-content: center;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav__link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav__link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
}

.nav__icon {
    font-size: 1.1rem;
}

.nav__text {
    display: inline;
}

/* Действия в хедере */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Переключатель темы */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

/* Кнопка кошелька */
.wallet-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.wallet-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.wallet-btn:hover::before {
    left: 100%;
}

.wallet-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.wallet-btn:active {
    transform: translateY(0);
}

.wallet-btn.connected {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
}

.wallet-btn__icon {
    width: 20px;
    height: 20px;
}

/* Мобильное меню */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Основной контент */
.main {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

/* Секции */
.section {
    display: none;
    animation: fadeIn var(--transition-slow);
}

.section.active {
    display: block;
}

/* Заголовки */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.section-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.section-link:hover {
    color: var(--accent-hover);
    gap: var(--spacing-sm);
}

/* Статус героя */
.status-hero {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.status-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.status-hero__content {
    position: relative;
    z-index: 1;
}

.status-hero__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.status-hero__info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.status-hero__address {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-hero__label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Индикатор статуса */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--success-bg);
    border: 1px solid var(--success);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
}

.status-indicator.active {
    color: var(--success);
}

.status-indicator.inactive {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

.status-indicator__dot {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Адрес */
.address {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Кнопка копирования */
.copy-btn {
    padding: var(--spacing-xs);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.copy-btn.small {
    padding: var(--spacing-xs);
}

.copy-btn.copied {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

/* Сетка метрик */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Карточка метрики */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
    border-color: var(--border-light);
}

.metric-card:hover::before {
    transform: scaleX(1);
}

.metric-card__icon {
    font-size: 2rem;
    line-height: 1;
}

.metric-card__content {
    flex: 1;
}

.metric-card__label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-card__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.metric-card__change {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.metric-card__change.positive {
    color: var(--success);
}

.metric-card__change.negative {
    color: var(--danger);
}

.metric-card__subtext {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* График */
.chart-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-container {
    position: relative;
    height: 400px;
    margin-top: var(--spacing-lg);
}

/* Селектор времени */
.time-selector {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.time-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.time-btn.active {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Список транзакций */
.transactions-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.recent-transactions {
    margin-bottom: var(--spacing-xl);
}

/* Скелетон загрузки */
.loading-skeleton {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skeleton-item {
    height: 60px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

/* Футер */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-top: auto;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer__section {
    display: flex;
    flex-direction: column;
}

.footer__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__subtitle {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer__description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--text-primary);
}

.footer__link.small {
    font-size: 0.875rem;
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.contract-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contract-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer__bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__copyright {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer__disclaimer {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    max-width: 500px;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: var(--z-modal-backdrop);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
    animation: fadeIn var(--transition-fast);
}

.modal__content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: slideUp var(--transition-base);
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.wallet-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.wallet-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wallet-option:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

/* Уведомления */
.notifications {
    position: fixed;
    top: calc(var(--header-height) + var(--spacing-lg));
    right: var(--spacing-lg);
    z-index: var(--z-notification);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    pointer-events: none;
}

.notification {
    min-width: 300px;
    max-width: 400px;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    pointer-events: all;
    animation: slideInRight var(--transition-base);
}

.notification.success {
    border-left: 4px solid var(--success);
}

.notification.error {
    border-left: 4px solid var(--danger);
}

.notification.warning {
    border-left: 4px solid var(--warning);
}

.notification.info {
    border-left: 4px solid var(--info);
}

.notification__icon {
    font-size: 1.25rem;
}

.notification__content {
    flex: 1;
}

.notification__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.notification__message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Адаптивность */
@media (max-width: 1024px) {
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav {
        display: none;
    }
    
    .header__actions {
        gap: var(--spacing-sm);
    }
    
    .wallet-btn__text {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .time-selector {
        width: 100%;
        overflow-x: auto;
    }
    
    .status-hero__info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .metric-card__value {
        font-size: 1.25rem;
    }
    
    .chart-container {
        height: 300px;
    }
}

/* Мобильное меню */
.mobile-menu {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    z-index: var(--z-header);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    display: block;
}

.mobile-nav {
    display: flex;
    justify-content: space-around;
}

.mobile-nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color var(--transition-fast);
}

.mobile-nav__link.active {
    color: var(--accent-primary);
}

.mobile-nav__icon {
    font-size: 1.25rem;
}

/* Поддержка темной темы для системных элементов */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Выделение текста */
::selection {
    background: var(--accent-primary);
    color: white;
}

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

/* Фокус для доступности */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Утилиты */
.hidden {
    display: none !important;
}

.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;
}