body {
  opacity: 1;
  transition: opacity 0.3s ease;
  background-color: #ffffff;
  color: #1a1a1a;
  margin: 0;
  padding: 0;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #121212;
    color: #e5e5e5;
  }
}

.logo-container {
  text-align: center;
  padding: 20px 0;
}

.logo {
  max-width: 200px;
  height: auto;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  padding-bottom: env(safe-area-inset-bottom);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  height: 50px;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 1);
  box-shadow: 0 -1px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 8px 0;
  text-decoration: none;
  color: #666;
  cursor: pointer;
}

.bottom-nav-item.active {
  color: #3b82f6;
}

.bottom-nav-item svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.bottom-nav-item span {
  margin-top: 4px;
  font-size: 12px;
  line-height: 14px;
  height: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: inline-block;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .bottom-nav {
    background: #121212;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -1px 10px rgba(0, 0, 0, 0.2);
  }

  .bottom-nav-item {
    color: rgba(255, 255, 255, 0.6);
  }

  .bottom-nav-item.active {
    color: #60a5fa;
  }
}

#iframeContainer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 50px;
  z-index: 1001;
  background-color: rgba(0, 0, 0, 0.5);
}

#contentIframe {
  width: 100%;
  height: 100%;
  border: none;
}