* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: #000;
}

#video-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow-y: scroll;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.video-item {
  position: relative;
  width: 100%;
  height: 100vh;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-item iframe {
  width: 100%;
  height: 100%;
  border: none;
  object-fit: cover;
  pointer-events: auto;
}

.video-item {
  position: relative;
}

.video-overlay {
  position: absolute;
  bottom: 7.5vh;
  right: 20px;
  z-index: 1000;
  pointer-events: none;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 25px;
  pointer-events: auto;
}

.action-btn {
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 12px;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
}

.action-btn:focus {
  outline: none;
  box-shadow: none;
}

.action-btn::-moz-focus-inner {
  border: 0;
}

.action-btn:hover {
  transform: scale(1.1);
}

.action-btn:active {
  animation: press-animation 0.3s ease;
}

.action-btn .icon {
  font-size: 36px;
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  transition: all 0.2s ease;
}

.action-btn .icon.liked {
  color: #ff1493;
}

@keyframes press-animation {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.85);
  }
  100% {
    transform: scale(1.05);
  }
}

.share-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  transition: all 0.3s ease;
  opacity: 1;
  visibility: visible;
}

.share-popup.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -60%);
}

.popup-content {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(15px);
  border-radius: 20px;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  min-width: 300px;
}

.popup-surfer {
  font-size: 32px;
}

.popup-text {
  color: white;
  font-size: 28px;
  font-weight: 600;
  white-space: nowrap;
}

/* Desktop styles */
@media (min-width: 1024px) {
  .video-overlay {
    bottom: 10vh;
    right: 40px;
  }

  .action-btn .icon {
    font-size: 40px;
  }

  .actions {
    gap: 30px;
  }
}

/* Tablet styles */
@media (min-width: 769px) and (max-width: 1023px) {
  .video-overlay {
    bottom: 8vh;
    right: 30px;
  }

  .action-btn .icon {
    font-size: 38px;
  }

  .actions {
    gap: 25px;
  }
}

/* Mobile styles */
@media (max-width: 768px) {
  .action-btn .icon {
    font-size: 32px;
  }

  .actions {
    gap: 20px;
  }

  .video-overlay {
    bottom: 15vh;
    right: 15px;
  }

  .popup-content {
    padding: 20px 32px;
    gap: 16px;
    min-width: 250px;
  }

  .popup-surfer {
    font-size: 28px;
  }

  .popup-text {
    font-size: 24px;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .action-btn .icon {
    font-size: 28px;
  }

  .actions {
    gap: 18px;
  }

  .video-overlay {
    bottom: 18vh;
    right: 12px;
  }

  .popup-content {
    padding: 16px 24px;
    gap: 12px;
    min-width: 200px;
  }

  .popup-surfer {
    font-size: 24px;
  }

  .popup-text {
    font-size: 20px;
  }
}