.app-header {
  padding: 24px 20px 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.greeting-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-text);
}

.sub-date {
  font-size: 0.88rem;
  color: var(--color-muted);
  font-weight: 500;
}

.main-content {
  flex: 1;
  padding: 0 20px 20px 20px;
}

.view-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.view-panel.active {
  display: block;
}

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

/* Floating Bottom Navigation */
.nav-container {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 440px;
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  padding: 8px 12px;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--color-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 14px;
  border-radius: 20px;
  color: var(--color-muted);
  transition: var(--transition-smooth);
  text-decoration: none;
}

.nav-item .nav-icon {
  font-size: 1.25rem;
}

.nav-item .nav-label {
  font-size: 0.72rem;
  font-weight: 600;
}

.nav-item.active {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}