:root {
  --pwa-nav-bar-height: 58px;
}

.pwa-app-nav {
  display: none;
}

.pwa-swipe-indicator {
  position: fixed;
  z-index: 20;
  top: 50%;
  display: grid;
  place-items: center;
  width: 46px;
  height: 54px;
  border: 1px solid rgba(138, 180, 216, 0.62);
  background: rgba(24, 29, 35, 0.9);
  color: #d9eaff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.38);
  font-size: 35px;
  line-height: 1;
  opacity: calc(0.34 + var(--pwa-swipe-progress, 0) * 0.66);
  pointer-events: none;
  transition: background 90ms ease, border-color 90ms ease, color 90ms ease;
  transform: translateY(-50%) scale(calc(0.82 + var(--pwa-swipe-progress, 0) * 0.18));
}

.pwa-swipe-indicator[hidden] {
  display: none;
}

.pwa-swipe-indicator[data-action="back"] {
  left: max(6px, env(safe-area-inset-left));
  border-radius: 0 16px 16px 0;
}

.pwa-swipe-indicator[data-action="forward"] {
  right: max(6px, env(safe-area-inset-right));
  border-radius: 16px 0 0 16px;
}

.pwa-swipe-indicator[data-ready="true"] {
  border-color: rgba(232, 163, 61, 0.9);
  background: rgba(58, 43, 23, 0.95);
  color: #ffd17f;
}

body.pwa-standalone {
  padding-bottom: calc(var(--pwa-nav-bar-height) + env(safe-area-inset-bottom));
}

body.pwa-standalone .pwa-app-nav {
  position: fixed;
  z-index: 18;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: calc(var(--pwa-nav-bar-height) + env(safe-area-inset-bottom));
  padding: 5px max(12px, env(safe-area-inset-right)) env(safe-area-inset-bottom)
    max(12px, env(safe-area-inset-left));
  border-top: 1px solid rgba(101, 89, 111, 0.68);
  background: rgba(18, 16, 20, 0.96);
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}

.pwa-app-nav button {
  display: grid;
  place-items: center;
  gap: 1px;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 3px 8px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #d8cfc4;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.pwa-app-nav button:active {
  background: #2a2530;
  color: #fff7eb;
}

.pwa-app-nav button:focus-visible {
  outline: 2px solid #8ab4d8;
  outline-offset: -2px;
}

.pwa-app-nav button:disabled {
  color: #5f5863;
  cursor: default;
}

.pwa-app-nav-icon {
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
}

.pwa-app-nav-icon.folders {
  position: relative;
  width: 20px;
  height: 14px;
  margin-top: 3px;
  border: 2px solid currentColor;
  border-radius: 3px;
}

.pwa-app-nav-icon.folders::before {
  position: absolute;
  top: -6px;
  left: -2px;
  width: 9px;
  height: 5px;
  border: 2px solid currentColor;
  border-bottom: 0;
  border-radius: 3px 3px 0 0;
  content: "";
}

body.mobile-folder-sheet-open .pwa-app-nav button[data-pwa-nav="folders"] {
  background: #2a2530;
  color: #fff7eb;
}

.pwa-app-nav-label {
  overflow: hidden;
  max-width: 100%;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.pwa-standalone.pwa-main-app #controls {
  bottom: calc(var(--pwa-nav-bar-height) + env(safe-area-inset-bottom));
  padding-bottom: 12px;
}

body.pwa-standalone.pwa-main-app main {
  padding-bottom: calc(120px + var(--pwa-nav-bar-height) + env(safe-area-inset-bottom));
}

body.pwa-standalone.pwa-main-app.home-open main {
  padding-bottom: calc(78px + var(--pwa-nav-bar-height) + env(safe-area-inset-bottom));
}

@media (display-mode: standalone) {
  .pwa-app-nav {
    display: grid;
  }
}

@media (max-width: 760px) {
  .language-choice {
    min-height: 44px !important;
  }
}