/* Общие стили в стиле 7-Zip */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f0f0f0;
    color: #000;
    line-height: 1.5;
    font-size: 14px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Шапка сайта */
header {
    background-color: #2A5C8A;
    color: white;
    padding: 15px 0;
    border-bottom: 2px solid #1B435E;
}

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

.logo {
    font-size: 18px;
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-left: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 3px;
}

nav a:hover, nav a.active {
    background-color: #1B435E;
}

/* Основной контент */
main {
    background-color: white;
    padding: 30px;
    margin-top: 20px;
    border: 1px solid #ccc;
}

h1 {
    color: #2A5C8A;
    font-size: 24px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
}

h2 {
    color: #1B435E;
    font-size: 18px;
    margin: 25px 0 15px 0;
}

h3 {
    color: #1B435E;
    font-size: 16px;
    margin: 15px 0 10px 0;
}

p {
    margin-bottom: 15px;
}

ul, ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

/* Кнопки скачивания */
.download-button {
    display: inline-block;
    background-color: #2A5C8A;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    font-weight: bold;
    margin: 10px 5px;
    border: 1px solid #1B435E;
    border-radius: 3px;
}

.download-button:hover {
    background-color: #1B435E;
}

.download-button.secondary {
    background-color: #666;
    border-color: #555;
}

.download-button.secondary:hover {
    background-color: #555;
}

/* Главная страница */
.download-main {
    text-align: center;
    margin: 30px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
}

.download-info {
    margin-top: 10px;
    color: #666;
}

.functions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.function {
    border: 1px solid #e0e0e0;
    padding: 20px;
    background-color: #f9f9f9;
}

.license {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    padding: 20px;
    margin-top: 20px;
}

/* Страница загрузки */
.download-current {
    margin-bottom: 30px;
}

.version-card {
    border: 1px solid #e0e0e0;
    padding: 20px;
    background-color: #f9f9f9;
    margin-bottom: 20px;
}

.version-info {
    margin: 15px 0;
    color: #666;
}

.download-links {
    margin-top: 20px;
}

.changelog {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    padding: 20px;
    margin: 20px 0;
}

.download-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.download-table th, .download-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.download-table th {
    background-color: #f2f2f2;
    color: #1B435E;
}

.download-table a {
    color: #2A5C8A;
    text-decoration: none;
    font-weight: bold;
}

.download-table a:hover {
    text-decoration: underline;
}

.requirements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.requirement {
    border: 1px solid #e0e0e0;
    padding: 20px;
    background-color: #f9f9f9;
}

.installation {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    padding: 20px;
    margin: 20px 0;
}

.troubleshooting {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    padding: 20px;
    margin-top: 20px;
}

.problem {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.problem:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* Подвал сайта */
footer {
    background-color: #f0f0f0;
    padding: 20px 0;
    margin-top: 30px;
    border-top: 1px solid #ccc;
    text-align: center;
    color: #666;
    font-size: 12px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav li {
        margin: 5px 10px;
    }
    
    .functions {
        grid-template-columns: 1fr;
    }
    
    .download-links {
        text-align: center;
    }
    
    .download-button {
        display: block;
        margin: 10px 0;
    }
    
    .requirements {
        grid-template-columns: 1fr;
    }
    
    .download-table {
        font-size: 12px;
    }
    
    .download-table th, 
    .download-table td {
        padding: 8px 5px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    main {
        padding: 15px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    h2 {
        font-size: 16px;
    }
    
    .download-button {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* Страница функций */
.function-category {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.function-category:last-child {
    border-bottom: none;
}

.function-detail {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    padding: 25px;
    margin-bottom: 20px;
    border-left: 4px solid #2A5C8A;
}

.function-detail h3 {
    color: #2A5C8A;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 18px;
}

.function-detail ul {
    margin-left: 20px;
}

.function-detail li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.function-detail strong {
    color: #1B435E;
}

.demo-section {
    background-color: #f0f8ff;
    border: 1px solid #2A5C8A;
    padding: 30px;
    margin-top: 40px;
    text-align: center;
    border-radius: 5px;
}

.demo-download {
    margin-top: 20px;
}

.demo-download small {
    color: #666;
    display: block;
    margin-top: 10px;
}

/* Адаптивность для страницы функций */
@media (max-width: 768px) {
    .function-detail {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .function-detail h3 {
        font-size: 16px;
    }
    
    .demo-section {
        padding: 20px;
    }
}