/* Header CSS - App header, logo, navigation */

.app-header {
  background: white;
  padding: 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header-image {
  width: 100%;
  height: auto;
  max-width: 420px;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

/* Remove old logo and tagline styles since we're using an image now */

.nav-tabs {
  display: flex;
  background: white;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-tab {
  flex: 1;
  padding: 15px 8px;
  text-align: center;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  font-size: 0.85em;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-tab::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 154, 158, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.nav-tab:hover::before {
  left: 100%;
}

.nav-tab.active {
  border-bottom-color: #ff9a9e;
  background: rgba(255, 154, 158, 0.05);
  color: #ff6b6b;
  transform: translateY(-2px);
}

.tab-content {
  display: none;
  min-height: calc(100vh - 160px);
  overflow-y: auto;
  background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}