---

.modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  justify-content: flex-end;
  background-color: transparent;
  visibility: hidden;
  pointer-events: none;
  transition: background-color 0.5s ease, visibility 0.5s;
}
.modal.open {
  visibility: visible;
  pointer-events: auto;
  background-color: var(--bg-glass);
}
.modal.open .modal-content {
  transform: translateX(0);
}
.modal-content {
  width: 50vw;
  height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  border-left: 5px solid var(--border-color);
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 30px;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.modal-content-div{
  padding: 50px;
}
.modal-content h3 {
  font-size: 3rem;
  margin: 0;
  font-weight: 300;
}
.modal-content h5 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 10px;
  opacity: 0.8;
}
.modal .close-btn {
  align-self: flex-end;
  position: absolute;
  background: none;
  border: none;
  font-size: 5rem;
  color: var(--text-color);
  cursor: pointer;
  line-height: 1;
  padding: 20px;
  padding-right: 37px;
  transition: opacity 0.2s, transform 0.2s;
}

            <div id="myModal" class="modal">
                <div class="modal-content">
                    <button id="closeModalBtn" class="close-btn">&times;</button>
                    <div class="modal-content-div">
                        <h3>Настройки</h3>
                        <div class="settings-section">
                            <h5>Тема сайта</h5>
                            <button id="theme-toggle" class="theme-toggle-btn">
                                <span class="light-icon"><img class="dark-light" src="icons/weather_sun_sunny_sunshine_icon_124153.svg"> Светлая</span>
                                <span class="dark-icon"><img class="dark-light" src="icons/icon-icons-profil.svg"> Темная</span>
                            </button>
                        </div>
                        <div class="settings-section">
                            <h5>Язык</h5>
                            <div class="dropdown">
                                <button class="dropbtn"><span id="languageText">RU</span></button>
                                <div class="dropdown-content">
                                    <a href="#" data-lang="RU">Русский</a>
                                    <a href="#" data-lang="EN">English</a>
                                    <a href="#" data-lang="DE">Deutsch</a>
                                </div>
                            </div>
                        </div>
                        <div class="settings-section">
                            <h5>Эффект фона</h5>
                            <select id="bg-effect-select" class="theme-toggle-btn" style="width: 100%;">
                                <option value="network">Гипер-Сеть</option>
                                <option value="sparkles">Звездная пыль</option>
                                <option value="matrix">Цифровой поток</option>
                                <option value="orbit">Гравитация</option>
                                <option value="none">Чистый фон</option>
                            </select>
                        </div>
                        <div class="settings-section" style="margin-top: 20px;">
                                <h5>Интенсивность:</h5>
                                <div>
                                <input type="number" id="bg-intensity-input" min="0" max="200" value="100" class="intensity">
                                <span style="margin-left: 5px;">%</span>
                                </div>
                            <input type="range" id="bg-intensity-range" min="0" max="200" value="100" class="intensity-slider">
                        </div>
                    </div>
                </div>
            </div>