/* styles/shell.css — split from styles.css (structural only) */

.app-shell {
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: var(--app-vh);
  padding: 14px;
  background: linear-gradient(180deg, rgba(4, 4, 8, 0.24), rgba(3, 3, 7, 0.42));
  transform-origin: center top;
  will-change: opacity, transform, filter;
}

.app-shell.stage-enter {
  opacity: 0;
  filter: blur(10px);
}

.app-shell.stage-enter[data-transition-direction="forward"] {
  transform: translateY(18px);
}

.app-shell.stage-enter[data-transition-direction="back"] {
  transform: translateY(-14px);
}

.app-shell.stage-enter-active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    filter 420ms ease;
}

.app-shell.stage-leave {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 1;
}

.app-shell.stage-leave-active {
  opacity: 0;
  filter: blur(10px);
  transition:
    opacity 330ms ease,
    transform 330ms ease,
    filter 330ms ease;
}

.app-shell.stage-leave[data-transition-direction="forward"].stage-leave-active {
  transform: translateY(-10px);
}

.app-shell.stage-leave[data-transition-direction="back"].stage-leave-active {
  transform: translateY(10px);
}

.app-shell.stage-enter .mode-screen {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
}

.app-shell.stage-enter-active .mode-screen {
  opacity: 1;
  transform: none;
  filter: none;
  transition:
    opacity 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    filter 420ms ease;
}

/*
 * Chrome FLIP (menu ↔ другие): shell не гасим целиком —
 * иначе шепот/кристалл моргают вместе с opacity enter.
 * z-index выше leave (z-index:1), иначе morph под уходящим слоем.
 * Контент (не top-bar / не omen-row) фейдится отдельно.
 */
.app-shell.stage-enter.is-chrome-flip-nav {
  position: relative;
  z-index: 2;
  opacity: 1 !important;
  filter: none !important;
  transform: none !important;
  transition: none !important;
}

.app-shell.stage-enter.is-chrome-flip-nav > *:not(.top-bar):not(.mode-select-omen-row) {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(10px);
}

.app-shell.stage-enter-active.is-chrome-flip-nav > *:not(.top-bar):not(.mode-select-omen-row) {
  opacity: 1;
  filter: none;
  transform: none;
  transition:
    opacity 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 460ms cubic-bezier(0.22, 0.61, 0.36, 1),
    filter 420ms ease;
}

.app-update-banner {
  position: fixed;
  left: 50%;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 0.9rem;
  width: min(36rem, calc(100vw - 24px));
  padding: 0.7rem 0.85rem;
  box-sizing: border-box;
  border: 1px solid color-mix(in srgb, var(--cyan) 26%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-soft) 88%, transparent);
  box-shadow: 0 10px 28px color-mix(in srgb, #000 28%, transparent);
}

.app-update-banner[hidden] {
  display: none;
}

.app-update-banner-text {
  margin: 0;
  flex: 1 1 10rem;
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.35;
  opacity: 0.92;
}

.app-update-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  flex: 0 0 auto;
}

html[data-design="classic"] .app-update-banner,
html[data-theme="classic"] .app-update-banner,
body.design-classic .app-update-banner {
  border-radius: 0;
  box-shadow: none;
  border-color: color-mix(in srgb, var(--text) 28%, transparent);
}