#app-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  height: 100dvh;
  width: 100%;
  background-color: transparent; /* Changed to transparent so body/aurora shows */
  overflow: hidden;
}

.aurora-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  background-color: var(--color-bg);
}

.aurora-blob {
  position: absolute;
  filter: blur(80px);
  opacity: 0.6;
  border-radius: 50%;
  animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 300px;
  height: 300px;
  background-color: var(--aurora-1);
  animation-delay: 0s;
}

.blob-2 {
  top: 40%;
  right: -20%;
  width: 400px;
  height: 400px;
  background-color: var(--aurora-2);
  animation-delay: -5s;
}

.blob-3 {
  bottom: -10%;
  left: 20%;
  width: 350px;
  height: 350px;
  background-color: var(--aurora-3);
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(10%, 20%) scale(1.1); }
  100% { transform: translate(-10%, 5%) scale(0.9); }
}

.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: calc(var(--space-4) + var(--safe-top)) var(--space-4) calc(var(--space-4) + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  background-color: transparent; /* Let aurora show */
  z-index: 10;
}

.screen-exit {
  transform: translateX(-20%);
  opacity: 0;
  pointer-events: none;
}

.screen-enter {
  transform: translateX(100%);
}

.screen-active {
  transform: translateX(0);
  opacity: 1;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.footer {
  margin-top: auto;
  padding-top: var(--space-4);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.scrollable-list {
  flex: 1;
  -webkit-overflow-scrolling: touch;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: var(--space-16);
  margin: 0 calc(-1 * var(--space-4));
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Hide scrollbar for cleaner look */
.scrollable-list::-webkit-scrollbar {
  width: 4px;
}
.scrollable-list::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: var(--border-radius-full);
}

.theme-toggle-btn {
  position: fixed;
  top: calc(var(--space-4) + var(--safe-top));
  right: var(--space-4);
  z-index: 1000;
  background: var(--color-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--glass-shadow);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.theme-toggle-btn:active {
  transform: scale(0.9);
}