html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  color: #fff;
  font-family: system-ui, sans-serif;
  overflow: hidden;
}

.swiper-container {
  width: 100%;
  height: 100%;
  cursor: pointer;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
}

.swiper-container:hover {
  cursor: pointer;
}

.swiper-slide {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  height: 100vh;
  background-size: cover;
  background-position: top;
  transition: background 0.5s ease;
}

.news-card {
  width: 100%;
  padding: 20px 30px;
  box-sizing: border-box;
  position: absolute;
  bottom: 0;
  left: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgb(0 0 0 / 40%));
  color: #fff;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  cursor: default;
}

.news-card.show {
  opacity: 1;
  transform: translateY(0);
}

/* Стиль для источника новости */
.news-source {
  font-size: 0.9em;
  opacity: 0.8;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.news-card h2 {
  flex-wrap: wrap;
  align-items: flex-start;
  margin: 0 0 10px;
  font-size: 1.5em;
  line-height: 1.3;
  width: 100%;
}

/* Бейдж категории */
.category-badge {
  display: inline-block;
  background: rgba(0, 170, 255, 0.3);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.7em;
  border: 1px solid #0af;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
  margin-right: 12px;
  vertical-align: top;
  line-height: 1.2;
}

/* Текст заголовка */
.news-title-text {
  display: inline;
  word-break: break-word;
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}

.news-card p {
  margin: 0 0 10px;
  font-size: 1em;
  line-height: 1.4;
  max-height: 4.8em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.news-card a {
  color: #0af;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
  display: inline-block;
  margin-top: 10px;
  padding: 5px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
  position: relative;
  z-index: 10;
  pointer-events: auto !important;
}

.news-card a:hover {
  text-decoration: none;
  border-bottom-color: #0af;
  padding-left: 5px;
}

#pauseIcon {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2000;
  border-radius: 50%;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#pauseIcon svg {
  width: 100%;
  height: 100%;
  fill: white;
}

.fullscreen-indicator {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px 15px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fullscreen-indicator.show {
  opacity: 1;
}

/* Выдвижные панели */
.side-panel {
  position: fixed;
  top: 60px;
  height: calc(100% - 60px);
  transition: all 0.3s ease;
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  pointer-events: none;
}

/* Левая панель */
.left-panel {
  left: -250px;
}

.left-panel.open {
  left: 0;
}

/* Правая панель */
.right-panel {
  right: -250px;
}

.right-panel.open {
  right: 0;
}

.panel-content {
  width: 100%;
  height: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  background: transparent;
  overflow-y: auto;
  pointer-events: auto;
}

.panel-btn {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  text-align: left;
  backdrop-filter: blur(10px);
}

.panel-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(-5px);
}

.right-panel .panel-btn:hover {
  transform: translateX(5px);
}

.panel-btn.active {
  background: rgba(0, 170, 255, 0.3);
  border-color: #0af;
}

.panel-btn span:first-child {
  font-size: 20px;
  width: 30px;
  text-align: center;
}

/* Вкладки для всех устройств (глобальный фикс) */
.panel-tab {
  position: fixed;
  z-index: 1001;
  color: white;
  padding: 15px;
  border-radius: 0 0 15px 0;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  top: 0;
  left: 0;
  height: 60px;
  width: 60px;
  pointer-events: auto;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(255, 255, 255, 1);
}

.panel-tab:hover {
  padding-left: 20px;
}

.panel-tab.right {
  right: 0;
  left: auto;
  border-radius: 0 0 0 15px;
}

.panel-tab.right:hover {
  padding-right: 20px;
  padding-left: 15px;
}

/* Стили для заблокированных панелей */
@media (max-width: 1024px) {
  .side-panel.locked {
    pointer-events: none;
  }
  
  .side-panel.active {
    z-index: 1001;
  }
  
  .side-panel:not(.open) {
    transition: all 0.3s ease;
    pointer-events: none;
  }
  
  .side-panel.open {
    opacity: 1 !important;
    pointer-events: auto;
  }
}

/* На всех устройствах показываем вкладки */
.panel-tab {
  display: flex;
}

/* На мобильных устройствах и планшетах */
@media (max-width: 1024px) {
  .left-panel {
    left: -270px;
  }
  
  .right-panel {
    right: -270px;
  }
  
  .left-panel:not(.open) {
    left: -290px;
  }
  
  .right-panel:not(.open) {
    right: -290px;
  }
  
  .left-panel:not(.open) .panel-content,
  .right-panel:not(.open) .panel-content {
    opacity: 0;
    pointer-events: none;
  }
}

/* Мобильные устройства (телефоны) */
@media (max-width: 768px) {
  .side-panel {
    top: 50px;
    height: calc(100% - 50px);
  }

  .left-panel,
  .right-panel {
    width: 280px;
  }
  
  .left-panel:not(.open) {
    left: -260px;
  }
  
  .right-panel:not(.open) {
    right: -260px;
  }
  
  .panel-content {
    padding: 15px;
  }
  
  .news-card h2 {
    font-size: 1.5em;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  
  .category-badge {
    margin-right: 8px;
    font-size: 0.65em;
    padding: 3px 8px;
    white-space: nowrap;
  }
  
  .news-card p {
    margin: 0 0 8px;
    font-size: 1.1em;
    line-height: 1.4;
    max-height: 4.2em;
    min-height: 4.2em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
  }
  
  .news-card a {
    font-size: 0.9em;
    padding: 12px 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .news-card {
    background: linear-gradient(to top, rgba(0,0,0,0.9), rgb(0 0 0 / 50%));
    padding: 15px 20px;
  }
  
  .panel-btn {
    padding: 12px 15px;
    font-size: 14px;
  }
  
  .panel-btn span:first-child {
    font-size: 18px;
  }
  
  #pauseIcon {
    width: 60px;
    height: 60px;
    padding: 15px;
  }

  /* Вкладки на мобильных */
  .panel-tab {
    height: 30px;
    width: 30px;
    padding: 12px;
    font-size: 18px;
    color: white;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(255, 255, 255, 1);
  }
}

/* Десктопы */
@media (min-width: 1025px) {
  .panel-tab {
    font-size: 22px;
    padding: 18px;
    height: 30px;
    width: 30px;
  }
  
  .panel-tab:hover {
    padding-left: 25px;
  }
  
  .panel-tab.right:hover {
    padding-right: 25px;
    padding-left: 18px;
  }

  .side-panel {
    top: 70px;
    height: calc(100% - 70px);
  }
}

/* Анимация при клике */
.swiper-container:active {
  cursor: pointer;
}

/* Подсветка при клике на мобильных */
@media (max-width: 768px) {
  .swiper-slide:active {
    opacity: 0.9;
    transition: opacity 0.1s;
  }
}

/* Индикатор загрузки */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.error-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 0, 0, 0.8);
  color: white;
  padding: 20px;
  border-radius: 10px;
  z-index: 3000;
  text-align: center;
  max-width: 80%;
  backdrop-filter: blur(10px);
}

/* Стили для полноэкранного режима */
:fullscreen .swiper-container,
:-webkit-full-screen .swiper-container,
:-moz-full-screen .swiper-container,
:-ms-fullscreen .swiper-container {
  width: 100vw;
  height: 100vh;
}

:fullscreen .news-card,
:-webkit-full-screen .news-card,
:-moz-full-screen .news-card,
:-ms-fullscreen .news-card {
  padding: 30px 40px;
}

:fullscreen .news-card h2,
:-webkit-full-screen .news-card h2,
:-moz-full-screen .news-card h2,
:-ms-fullscreen .news-card h2 {
  font-size: 2.5em;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: flex-start;
}

:fullscreen .category-badge,
:-webkit-full-screen .category-badge,
:-moz-full-screen .category-badge,
:-ms-fullscreen .category-badge {
  margin-right: 15px;
  font-size: 0.8em;
  padding: 5px 12px;
  white-space: nowrap;
}

:fullscreen .news-card p,
:-webkit-full-screen .news-card p,
:-moz-full-screen .news-card p,
:-ms-fullscreen .news-card p {
  font-size: 1.4em;
}

/* Плавные переходы */
* {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Улучшение доступности */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Поддержка темной темы */
@media (prefers-color-scheme: dark) {
  .panel-btn {
    background: rgba(0, 0, 0, 0.8);
  }
}

/* Улучшение фокуса для доступности */
.panel-btn:focus {
  outline: 2px solid #0af;
  outline-offset: 2px;
}

.news-card a:focus {
  outline: 2px solid #0af;
  outline-offset: 2px;
}

.category-badge:focus {
  outline: 2px solid #0af;
  outline-offset: 2px;
}

/* Планшеты (промежуточные размеры) */
@media (min-width: 769px) and (max-width: 1024px) {
  .news-card h2 {
    font-size: 1.2em;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  
  .category-badge {
    margin-right: 10px;
    font-size: 0.68em;
    white-space: nowrap;
  }
  
  .news-card {
    padding: 18px 25px;
  }
}

/* Большие экраны */
@media (min-width: 1440px) {
  .news-card h2 {
    font-size: 2em;
  }
  
  .category-badge {
    font-size: 0.75em;
    padding: 5px 12px;
  }
  
  .news-card p {
    font-size: 1.3em;
  }
}

/* Очень большие экраны */
@media (min-width: 1920px) {
  .news-card {
    padding: 25px 50px;
  }
  
  .news-card h2 {
    font-size: 2em;
  }
  
  .category-badge {
    font-size: 0.8em;
    padding: 6px 14px;
    white-space: nowrap;
  }
  
  .news-card p {
    font-size: 1.5em;
  }
}

/* Портретная ориентация на мобильных */
@media (max-width: 768px) and (orientation: portrait) {
  .news-card h2 {
    font-size: 1.4em;
  }
  
  .category-badge {
    font-size: 0.6em;
  }
}

/* Ландшафтная ориентация на мобильных */
@media (max-width: 768px) and (orientation: landscape) {
  .news-card h2 {
    font-size: 1em;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  
  .category-badge {
    margin-right: 8px;
    font-size: 0.55em;
    white-space: nowrap;
  }
  
  .news-card p {
    margin: 0 0 8px;
    font-size: 0.7em;
    line-height: 1.4;
    max-height: 4.2em;
    min-height: 4.2em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
  }
  
  .news-card a {
    font-size: 0.8em;
    padding: 12px 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .news-card {
    padding: 12px 18px;
  }
}

/* Убедимся, что ссылки всегда кликабельны */
.swiper-slide-active .news-card a {
  pointer-events: auto;
}

/* Стили для кнопки скорости */
#speedBtn.active {
  background: rgba(0, 170, 255, 0.3);
  border-color: #0af;
}

/* Анимация для индикатора скорости */
@keyframes speedChange {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.speed-change {
  animation: speedChange 0.5s ease-in-out;
}

.preview-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
  background: linear-gradient(45deg, #1a1a1a, #2d2d2d);
  position: relative;
}

/* Прелоадер для изображения */
.preview-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, #1a1a1a, #2d2d2d);
  z-index: 1;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.preview-image.loaded::before {
  opacity: 0;
}

/* Индикатор загрузки изображения */
.preview-image::after {
  content: '🖼️ Загружаем изображение...';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  z-index: 2;
}

.preview-image.loaded::after {
  display: none;
}

/* ========================================================= */
/* ✅ ФИКС: Сохраняем видимость вкладок после свайпа */
/* ========================================================= */
.panel-tab {
  z-index: 1001 !important;
  pointer-events: auto !important;
}

.panel-tab span {
  display: inline-block !important;
  opacity: 1 !important;
  visibility: visible !important;
  color: white !important;
  font-weight: bold !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8) !important;
}

/* Гарантируем видимость на всех устройствах */
@media (max-width: 768px) {
  .panel-tab span {
    font-size: 18px !important;
    opacity: 1 !important;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.9) !important;
  }
}

/* Защита от перехвата стилей Swiper */
.swiper-container ~ .panel-tab,
.swiper-wrapper ~ .panel-tab,
.swiper-slide ~ .panel-tab {
  opacity: 1 !important;
  visibility: visible !important;
}

/* Дополнительная защита для WebKit браузеров */
.panel-tab:not(.swiper-slide):not(.swiper-wrapper):not(.swiper-container) {
  opacity: 1 !important;
  visibility: visible !important;
}

/* ========================================================= */
/* ✅ ФИКС: Восстановление вкладок в полноэкранном режиме */
/* ========================================================= */
:fullscreen .panel-tab,
:-webkit-full-screen .panel-tab,
:-moz-full-screen .panel-tab,
:-ms-fullscreen .panel-tab {
  opacity: 1 !important;
  visibility: visible !important;
  display: flex !important;
  z-index: 1001 !important;
  pointer-events: auto !important;
}

:fullscreen .panel-tab span,
:-webkit-full-screen .panel-tab span,
:-moz-full-screen .panel-tab span,
:-ms-fullscreen .panel-tab span {
  opacity: 1 !important;
  visibility: visible !important;
  display: inline-block !important;
  color: white !important;
  font-weight: bold !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.9) !important;
}

/* Особые стили для мобильных в полноэкранном режиме */
@media (max-width: 768px) {
  :fullscreen .panel-tab,
  :-webkit-full-screen .panel-tab,
  :-moz-full-screen .panel-tab,
  :-ms-fullscreen .panel-tab {
    background: rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(8px) !important;
  }
}

/* ========================================================= */
/* ✅ ФИКС: Восстановление панелей в полноэкранном режиме */
/* ========================================================= */

/* Основные панели в полноэкранном режиме */
:fullscreen .side-panel,
:-webkit-full-screen .side-panel,
:-moz-full-screen .side-panel,
:-ms-fullscreen .side-panel {
  opacity: 1 !important;
  visibility: visible !important;
  display: flex !important;
  z-index: 1001 !important;
  pointer-events: auto !important;
}

/* Левая панель в полноэкранном режиме */
:fullscreen .left-panel,
:-webkit-full-screen .left-panel,
:-moz-full-screen .left-panel,
:-ms-fullscreen .left-panel {
  left: -250px !important;
}

:fullscreen .left-panel.open,
:-webkit-full-screen .left-panel.open,
:-moz-full-screen .left-panel.open,
:-ms-fullscreen .left-panel.open {
  left: 0 !important;
}

/* Правая панель в полноэкранном режиме */
:fullscreen .right-panel,
:-webkit-full-screen .right-panel,
:-moz-full-screen .right-panel,
:-ms-fullscreen .right-panel {
  right: -250px !important;
}

:fullscreen .right-panel.open,
:-webkit-full-screen .right-panel.open,
:-moz-full-screen .right-panel.open,
:-ms-fullscreen .right-panel.open {
  right: 0 !important;
}

/* Вкладки в полноэкранном режиме */
:fullscreen .panel-tab,
:-webkit-full-screen .panel-tab,
:-moz-full-screen .panel-tab,
:-ms-fullscreen .panel-tab {
  opacity: 1 !important;
  visibility: visible !important;
  display: flex !important;
  z-index: 1002 !important;
  pointer-events: auto !important;
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(10px) !important;
}

:fullscreen .panel-tab span,
:-webkit-full-screen .panel-tab span,
:-moz-full-screen .panel-tab span,
:-ms-fullscreen .panel-tab span {
  opacity: 1 !important;
  visibility: visible !important;
  display: inline-block !important;
  color: white !important;
  font-weight: bold !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.9) !important;
}

/* Контент панелей в полноэкранном режиме */
:fullscreen .panel-content,
:-webkit-full-screen .panel-content,
:-moz-full-screen .panel-content,
:-ms-fullscreen .panel-content {
  opacity: 1 !important;
  visibility: visible !important;
  display: flex !important;
  background: rgba(0, 0, 0, 0.8) !important;
  backdrop-filter: blur(15px) !important;
}

/* Кнопки в полноэкранном режиме */
:fullscreen .panel-btn,
:-webkit-full-screen .panel-btn,
:-moz-full-screen .panel-btn,
:-ms-fullscreen .panel-btn {
  background: rgba(0, 0, 0, 0.7) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  backdrop-filter: blur(10px) !important;
}

/* Особые стили для мобильных в полноэкранном режиме */
@media (max-width: 768px) {
  :fullscreen .side-panel,
  :-webkit-full-screen .side-panel,
  :-moz-full-screen .side-panel,
  :-ms-fullscreen .side-panel {
    top: 50px !important;
    height: calc(100% - 50px) !important;
  }
  
  :fullscreen .left-panel,
  :-webkit-full-screen .left-panel,
  :-moz-full-screen .left-panel,
  :-ms-fullscreen .left-panel {
    left: -270px !important;
    width: 280px !important;
  }
  
  :fullscreen .left-panel.open,
  :-webkit-full-screen .left-panel.open,
  :-moz-full-screen .left-panel.open,
  :-ms-fullscreen .left-panel.open {
    left: 0 !important;
  }
  
  :fullscreen .right-panel,
  :-webkit-full-screen .right-panel,
  :-moz-full-screen .right-panel,
  :-ms-fullscreen .right-panel {
    right: -270px !important;
    width: 280px !important;
  }
  
  :fullscreen .right-panel.open,
  :-webkit-full-screen .right-panel.open,
  :-moz-full-screen .right-panel.open,
  :-ms-fullscreen .right-panel.open {
    right: 0 !important;
  }
  
  :fullscreen .panel-tab,
  :-webkit-full-screen .panel-tab,
  :-moz-full-screen .panel-tab,
  :-ms-fullscreen .panel-tab {
    height: 30px !important;
    width: 30px !important;
    padding: 12px !important;
    font-size: 18px !important;
    background: rgba(0, 0, 0, 0.7) !important;
  }
}

/* Десктопы в полноэкранном режиме */
@media (min-width: 1025px) {
  :fullscreen .side-panel,
  :-webkit-full-screen .side-panel,
  :-moz-full-screen .side-panel,
  :-ms-fullscreen .side-panel {
    top: 70px !important;
    height: calc(100% - 70px) !important;
  }
  
  :fullscreen .panel-tab,
  :-webkit-full-screen .panel-tab,
  :-moz-full-screen .panel-tab,
  :-ms-fullscreen .panel-tab {
    font-size: 22px !important;
    padding: 18px !important;
    height: 30px !important;
    width: 30px !important;
  }
}

/* Анимация для плавного появления панелей */
.side-panel {
  transition: all 0.3s ease !important;
}

.panel-tab {
  transition: all 0.3s ease !important;
}
/* PWA Specific Styles */
.standalone-mode .panel-tab {
  top: env(safe-area-inset-top, 0px);
}

.standalone-mode {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

/* Анимации для уведомлений */
@keyframes slideDown {
  from {
    transform: translateX(-50%) translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  to {
    transform: translateX(-50%) translateY(-100%);
    opacity: 0;
  }
}

/* Улучшения для standalone режима */
@media all and (display-mode: standalone) {
  body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  .swiper-container {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
  }
}

/* Предотвращение масштабирования на iOS */
@supports (-webkit-touch-callout: none) {
  body {
    -webkit-text-size-adjust: 100%;
  }
}

/* Стили для кнопки установки PWA */
#installBtn {
  background: linear-gradient(135deg, rgba(0, 170, 255, 0.2), rgba(0, 170, 255, 0.1));
  border: 1px solid #0af;
  animation: pulse-install 2s infinite;
}

#installBtn:hover {
  background: linear-gradient(135deg, rgba(0, 170, 255, 0.3), rgba(0, 170, 255, 0.2));
  transform: translateX(5px);
}

@keyframes pulse-install {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 170, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(0, 170, 255, 0);
  }
}