.app {
  width: 100%;
  max-width: 520px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom) + 20px);
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 310px);
}

.header {
  padding: 22px 18px 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.content {
  padding: 20px 18px 0;
}

.section {
  margin-bottom: 22px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.section-title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}

.section-link {
  flex-shrink: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flow-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
}

.chip-row {
  display: flex;
  gap: 9px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.chip-row::-webkit-scrollbar {
  display: none;
}

.bottom-nav {
  position: fixed;
  z-index: 50;
  bottom: 0;
  left: 50%;
  display: grid;
  width: 100%;
  max-width: 520px;
  height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

html[data-resolved-theme="dark"] .bottom-nav {
  border-top-color: var(--border);
  background: rgba(17, 24, 39, 0.92);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.18);
}