/* styles.css */
:root {
    /* Основные цвета */
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    
    /* Цвета фона и текста */
    --background-color: #f4f6f7;
    --text-color: #2c3e50;
    
    /* Темная тема */
    --dark-background: #1a2633;
    --dark-text: #ecf0f1;
    --dark-card: #2c3e50;
    
    /* Карточки */
    --card-background: #ffffff;
    --dark-card-background: #2c3e50;
}

/* Базовый сброс и глобальные стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

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

/* Темная тема */
body.dark-theme {
    background-color: var(--dark-background);
    color: var(--dark-text);
}

/* Переключатель темы */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch-checkbox {
    display: none;
}

.theme-switch-label {
    display: inline-block;
    position: relative;
    width: 50px;
    height: 24px;
    background-color: #ddd;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.theme-switch-inner {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

.theme-switch-checkbox:checked + .theme-switch-label {
    background-color: var(--primary-color);
}

.theme-switch-checkbox:checked + .theme-switch-label .theme-switch-inner {
    transform: translateX(26px);
}

/* Контейнер параграфа */
.paragraph-container {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.dark-theme .paragraph-container {
    background-color: var(--dark-card);
    color: var(--dark-text);
}

/* Заголовок параграфа */
.paragraph-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: 10px;
}

.paragraph-number {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.dark-theme .paragraph-number {
    color: var(--secondary-color);
}

/* Навигация между параграфами */
.paragraph-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.paragraph-nav-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

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

.dark-theme .paragraph-nav-btn {
    background-color: var(--secondary-color);
}

/* Контент параграфа */
.paragraph-content {
    font-size: 16px;
    line-height: 1.6;
}

.paragraph-content .term {
    color: var(--primary-color);
    font-weight: bold;
    cursor: pointer;
}

.dark-theme .paragraph-content .term {
    color: var(--secondary-color);
}

/* Действия с параграфом */
.paragraph-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.paragraph-tools {
    display: flex;
    gap: 10px;
}

.paragraph-tools .btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.copy-paragraph {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.share-paragraph {
    background-color: var(--secondary-color);
    color: white;
    border: none;
}

.copy-paragraph:hover {
    background-color: color-mix(in srgb, var(--primary-color) 90%, black);
}

.share-paragraph:hover {
    background-color: color-mix(in srgb, var(--secondary-color) 90%, black);
}

/* Адаптивность */
@media (max-width: 768px) {
    .paragraph-container {
        padding: 15px;
    }

    .paragraph-navigation {
        flex-direction: column;
        gap: 10px;
    }

    .paragraph-actions {
        flex-direction: column;
        gap: 10px;
    }
}

.main-header {
    display: flex;
    position: relative;
}

.sidebar {
    width: 250px;
    height: 100vh;
    background-color: var(--background-color);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.dark-theme .sidebar {
    background-color: var(--dark-background);
    color: var(--dark-text);
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.sidebar-logo {
    width: 50px;
    height: 50px;
    margin-right: 15px;
}

.sidebar-menu {
    flex-grow: 1;
    padding: 20px 0;
}

.sidebar-item {
    padding: 15px 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.sidebar-item:hover,
.sidebar-item.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}

.sidebar-item i {
    font-size: 20px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-actions {
    display: flex;
    gap: 10px;
}

.main-content-header {
    margin-left: 250px;
    width: calc(100% - 250px);
    padding: 15px;
    display: flex;
    justify-content: flex-end;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-container {
    display: flex;
}

.search-input {
    padding: 10px;
    border: 1px solid var(--primary-color);
    border-radius: 8px 0 0 8px;
}

.search-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 0 8px 8px 0;
}

.notifications-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 20px;
}

.notifications-btn .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 12px;
}

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

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

    .main-content-header {
        margin-left: 0;
        width: 100%;
    }
}

:root {
    --footer-bg: var(--background-color);
    --footer-text: var(--text-color);
    --footer-heading: var(--primary-color);
    --footer-link: var(--text-color);
    --footer-link-hover: var(--primary-color);
    --footer-border: rgba(0, 0, 0, 0.1);
}

.dark-theme :root {
    --footer-bg: var(--dark-background);
    --footer-text: var(--dark-text);
    --footer-heading: var(--secondary-color);
    --footer-link: var(--dark-text);
    --footer-link-hover: var(--primary-color);
    --footer-border: rgba(255, 255, 255, 0.1);
}

.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 50px 0 20px;
    transition: all 0.3s ease;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 30px;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 50px;
    margin-right: 15px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--footer-heading);
}

.brand-description {
    margin-bottom: 15px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--footer-link);
    font-size: 24px;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--footer-link-hover);
}

.social-link.telegram:hover { color: #2CA5E0; }
.social-link.facebook:hover { color: #3B5998; }
.social-link.instagram:hover { color: #C13584; }
.social-link.youtube:hover { color: #FF0000; }

.footer-section h4 {
    margin-bottom: 15px;
    color: var(--footer-heading);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.footer-menu {
    list-style: none;
    padding: 0;
}

.footer-menu li {
    margin-bottom: 10px;
}

.footer-menu a {
    color: var(--footer-link);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: var(--footer-link-hover);
}

.contact-info {
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.contact-item i {
    margin-right: 10px;
    color: var(--footer-heading);
}

.contact-item a {
    color: var(--footer-link);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--footer-link-hover);
}

.newsletter h5 {
    margin-bottom: 10px;
    color: var(--footer-heading);
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid var(--footer-heading);
    border-radius: 8px 0 0 8px;
    background-color: var(--footer-bg);
    color: var(--footer-text);
    transition: all 0.3s ease;
}

.newsletter-form button {
    background-color: var(--footer-heading);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 0 8px 8px 0;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: var(--footer-link-hover);
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--footer-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.3s ease;
}

.footer-links a {
    color: var(--footer-link);
    margin-left: 15px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--footer-link-hover);
}

/* Адаптивность */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        margin-top: 15px;
    }
}
.footer.dark-theme {
    --footer-bg: var(--dark-background);
    --footer-text: var(--dark-text);
    --footer-heading: var(--secondary-color);
    --footer-link: var(--dark-text);
    --footer-link-hover: var(--primary-color);
    --footer-border: rgba(255, 255, 255, 0.1);
}

.footer:not(.dark-theme) {
    --footer-bg: var(--background-color);
    --footer-text: var(--text-color);
    --footer-heading: var(--primary-color);
    --footer-link: var(--text-color);
    --footer-link-hover: var(--primary-color);
    --footer-border: rgba(0, 0, 0, 0.1);
}