main {
  padding: 40px 0;
  margin: 0 auto;
}

html {
  scroll-padding-top: 160px;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
}

.interesting-articles {
  margin-top: 10px;
}

section {
  margin: 60px 0;
}

h2 {
  text-align: left;
  font-size: 22px;
  margin-bottom: 12px;
}
ul,
ol {
  margin-left: 20px;
  margin-top: 8px;
}

p {
  margin: 8px 0;
}

h3 {
  margin-bottom: 10px;
}

main {
  padding: 40px 0;
  margin: 0 auto;
}

h1 {
  text-align: center;
}

section {
  margin: 30px 0 60px 0;
}

h2 {
  text-align: left;
  font-size: 22px;
  margin-bottom: 12px;
}

ul,
ol {
  margin-left: 20px;
  margin-top: 8px;
}

p {
  margin: 8px 0;
}

h3 {
  margin-bottom: 10px;
}

.slovnik {
  display: flex;
  width: 100%;
}

.slovnik-left {
  width: 240px;
  padding: 15px 30px;
  border-right: 1px solid #ccc;
  position: sticky;
  top: 20px;
  height: fit-content;
  z-index: 1;
}

.slovnik-left input {
  width: 100%;
  padding: 6px;
  margin-bottom: 10px;
}

#searchMessage {
  color: red;
  font-size: 12px;
  margin-bottom: 10px;
}

.letters {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.letters a {
  display: block;
  margin: 5px 0;
  text-decoration: none;
  color: #333;
}

.letters a:hover {
  text-decoration: underline;
}

.slovnik-right {
  flex: 1;
  padding: 0 30px;
}

.paragraph {
  font-weight: 900;
  font-size: 32px;
}

/* Кнопка по умолчанию скрыта на ПК */
.filter-toggle {
  display: none;
}

/* Анимация выезжающего фильтра */
.filter-box {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

/* Только для мобильных устройств */
@media (max-width: 480px) {
  header {
    position: sticky;
    top: 0;
    z-index: 2;
  }
  .slovnik-left {
    width: 50px;
    padding: 10px 15px 10px 0;
    border-right: none;
    position: sticky;
    top: 130px;
    height: fit-content;
  }
  .letters {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .slovnik-right {
    border-left: 1px solid #ccc;
    padding: 40px 0 0 15px;
  }
  h1 {
    font-size: 20px;
  }
  .paragraph {
    font-size: 22px;
  }
  .filter-box-input {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    width: 100%;
    padding: 0 15px 10px 15px;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 10;
  }
  .filter-box-input input {
    margin-bottom: 0;
    font-size: 16px;
    height: 38px;
  }
  #searchMessage {
    margin-bottom: 0;
  }
  html {
    scroll-padding-top: 440px;
  }
}