body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: linear-gradient(135deg, #2c3e50, #4ca1af);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

header h1 {
    margin: 0;
    font-size: 3rem;
}

.subtitle {
    font-style: italic;
    margin-top: 0;
}

nav {
    display: flex;
    justify-content: center;
    background: #34495e;
    padding: 0.5rem 0;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    margin: 0 0.2rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #4ca1af;
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #4ca1af;
    padding-bottom: 0.5rem;
}

.alphabet-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 1rem 0;
}

.letter {
    background: #34495e;
    color: white;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 5px;
}

.grammar-rule {
    margin-bottom: 1.5rem;
}

/* Стили для таблицы словаря */
#wordSearch {
    width: 100%;
    padding: 0.7rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

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

th, td {
    padding: 0.7rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #34495e;
    color: white;
}

tr:hover {
    background-color: #f5f5f5;
}

/* Стили для переводчика */
#russianInput {
    width: 100%;
    padding: 0.7rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

#translationResult {
    font-weight: bold;
    color: #2c3e50;
}

footer {
    text-align: center;
    padding: 2rem;
    background: #2c3e50;
    color: white;
    margin-top: 2rem;
}

footer a {
    color: #4ca1af;
}

.social-button {
    display: inline-block;
    background-color: #4ca1af; /* Бирюзовый акцентный цвет */
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 5px;
}

.social-button:hover {
    background-color: #2c3e50; /* Тёмно-синий при наведении */
}