/* Базовые стили и CSS переменные */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-hover: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #666666;
    --accent: #ffffff;
    --accent-hover: #cccccc;
    --border: #2a2a2a;
    --success: #00ff00;
    --error: #ff0000;
    --star-color: #ffd700;
}

/* Светлая тема */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-hover: #f0f0f0;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-muted: #999999;
    --accent: #000000;
    --accent-hover: #333333;
    --border: #dddddd;
    --star-color: #ffa500;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--text-secondary);
}

/* Шапка */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Кнопки */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s;
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
}

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

.btn-primary:hover {
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Герой секция */
.hero {
    text-align: center;
    padding: 6rem 2rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    border-top: 1px solid var(--border);
    padding-top: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Секции */
section {
    padding: 5rem 2rem;
}

section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

/* Тарифы */
.tariffs {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.tariff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tariff-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    border-radius: 4px;
}

.tariff-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-secondary);
    background-color: var(--bg-hover);
}

.tariff-card.featured {
    border-color: var(--text-primary);
    background-color: var(--bg-hover);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 2px;
}

.tariff-card h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.savings {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.tariff-card ul {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.tariff-card li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.tariff-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--text-primary);
    border-radius: 50%;
}

/* Инструкция */
.instructions {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    padding: 2rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.3s;
}

.step:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-secondary);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    border-radius: 2px;
}

.step h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.app-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.app-link {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: center;
    transition: all 0.3s;
    border-radius: 2px;
    letter-spacing: 0.5px;
}

.app-link:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Отзывы */
.reviews {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.reviews-marquee {
    overflow: hidden;
    position: relative;
    width: 100%;
    margin-bottom: 3rem;
}

.reviews-track {
    display: flex;
    gap: 2rem;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.reviews-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.review-card {
    min-width: 350px;
    max-width: 350px;
    flex-shrink: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.review-card:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-secondary);
}

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

.review-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.gender-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--text-primary);
}

.review-rating {
    display: flex;
    align-items: center;
    gap: 2px;
}

.star-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    transition: color 0.3s;
}

.star-icon.filled {
    color: var(--star-color);
}

.review-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.review-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.add-review {
    max-width: 600px;
    margin: 3rem auto 0;
    padding: 2.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.add-review h3 {
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.add-review form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.add-review select,
.add-review textarea {
    padding: 0.75rem;
    border-radius: 2px;
    border: 1px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.add-review select:focus,
.add-review textarea:focus {
    outline: none;
    border-color: var(--text-secondary);
}

.add-review textarea {
    min-height: 120px;
    resize: vertical;
}

/* Формы авторизации */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background-color: var(--bg-primary);
}

.auth-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    border-radius: 4px;
}

.auth-box h1 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 2px;
    border: 1px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--text-secondary);
}

.alert {
    padding: 1rem;
    border-radius: 2px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-error {
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-success {
    background-color: rgba(0, 255, 0, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-link a {
    color: var(--text-primary);
    font-weight: 600;
}

/* Личный кабинет */
.dashboard-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.dashboard-container h1 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dashboard-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 4px;
    margin-bottom: 2rem;
}

.dashboard-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: left;
}

.subscription-info p {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.subscription-info strong {
    color: var(--text-primary);
}

.status-active {
    color: var(--success);
    font-weight: 600;
}

.status-expired {
    color: var(--error);
    font-weight: 600;
}

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

.history-table th,
.history-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.history-table th {
    background-color: var(--bg-hover);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.history-table tr:hover {
    background-color: var(--bg-hover);
}

/* Подвал */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    transition: color 0.3s;
    cursor: pointer;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Переключатель темы */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    transition: all 0.3s;
}

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

.theme-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(30deg);
}

/* Мобильное меню */
.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: 2px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn svg {
    width: 20px;
    height: 20px;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 5% auto;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    max-width: 700px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s;
    line-height: 1;
}

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

.modal-content h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-content h3 {
    margin: 1.5rem 0 0.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.modal-body ul {
    color: var(--text-secondary);
    margin: 0.5rem 0 1rem 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.modal-body li {
    margin-bottom: 0.25rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 4rem 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .tariff-grid,
    .steps {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .auth-box {
        padding: 2rem;
    }
    
    .dashboard-container {
        padding: 0 1rem;
    }
    
    .history-table {
        font-size: 0.8rem;
    }
    
    .history-table th,
    .history-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .review-card {
        min-width: 280px;
        max-width: 280px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 1.5rem;
        max-height: 70vh;
    }
    
    .modal-content h2 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 3rem 1rem;
    }
    
    section h2 {
        font-size: 1.5rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .review-card {
        min-width: 250px;
        max-width: 250px;
    }
    
    .star-icon {
        width: 14px;
        height: 14px;
    }
    
    .gender-icon {
        width: 18px;
        height: 18px;
    }
}