#app {
  width: 100%;
  max-width: 960px;
  min-height: 100vh;
  padding: 16px 16px 24px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Frameless Pixel Header */
.app-header {
  position: relative;
  border-radius: 32px;
  padding: 14px;
  background-color: transparent;
  border: none;
  overflow: hidden;
}

.backdrop-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(1);
  opacity: 0.9;
  z-index: 0;
  transform: translateY(8px);
}

.header-top-row {
  position: relative;
  z-index: 2;
  margin-bottom: 10px;
}

.header-main-row {
  position: relative;
  z-index: 2;
  border-radius: 28px;
  padding: 16px 14px;
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--onyx-outline);
  box-shadow: var(--shadow-soft);
  animation: headerFadeIn 0.4s ease-out forwards;
}

.header-main-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.header-main-right {
  display: flex;
  justify-content: flex-end;
}

/* Frameless Pages */
.tab-page {
  display: none;
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
  border-radius: 28px;
  padding: 14px 14px 18px;
  border: 1px solid var(--onyx-outline);
  box-shadow: var(--shadow-soft);
  animation: cardFadeIn 0.3s ease-out forwards;
}

.tab-page.active {
  display: block;
}

.section-block {
  margin-bottom: 12px;
}

.section-block h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

/* Floating Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}

.cards-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card {
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  border-radius: 22px;
  padding: 10px 12px;
  border: 1px solid var(--onyx-outline);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-weight: 500;
}

.card-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.card-temp {
  font-size: 15px;
  font-weight: 600;
}

.card-icon {
  width: 32px;
  height: 32px;
}

/* Scroll Row */
.scroll-row {
  overflow-x: auto;
  padding-bottom: 4px;
}

.scroll-row .chip {
  min-width: 72px;
  text-align: center;
}

@media (min-width: 768px) {
  #app {
    padding: 24px 24px 32px;
  }

  .header-main-row {
    padding: 20px 18px;
  }

  .tab-page {
    padding: 18px 18px 22px;
  }
}

/* Animations */
@keyframes headerFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}