/* The frame around every page: top bar, phone tab bar, page containers, toasts. */

.nav {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: var(--gutter);
  right: var(--gutter);
  z-index: var(--z-nav);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--nav-h);
  padding: 0 10px 0 20px;
  border-radius: var(--r-pill);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-self: start;
  min-height: 44px;
}
.brand { gap: 5px; }
.brand__word {
  font: 600 0.9375rem/1 var(--mono);
  letter-spacing: 0.3em;
}
.brand__x {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--x);
  stroke-width: 3.2;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px rgba(255, 61, 79, 0.6));
  transition: transform var(--slow) var(--ease-spring);
}
.brand:hover .brand__x { transform: rotate(90deg); }

.nav__links { display: flex; gap: 2px; }
.nav__links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 14px;
  white-space: nowrap;
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: var(--t-sm);
  font-weight: 500;
  transition: background var(--base) var(--ease-out), color var(--fast);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a[aria-current='page'] {
  background: var(--fill-strong);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.nav__count {
  min-width: 20px;
  padding: 3px 6px;
  border-radius: var(--r-pill);
  background: var(--x-soft);
  color: var(--x-ink);
  font: 500 0.6875rem/1 var(--mono);
  text-align: center;
}
.nav__status { display: flex; gap: var(--s-2); justify-self: end; }

/* phone tab bar */
.tabs {
  position: fixed;
  left: var(--gutter);
  right: var(--gutter);
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: var(--z-nav);
  display: none;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding: 6px;
  border-radius: var(--r-xl);
}
.tabs a {
  display: grid;
  justify-items: center;
  gap: 3px;
  min-height: 52px;
  padding: 8px 0 6px;
  border-radius: var(--r-lg);
  color: var(--ink-3);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background var(--base) var(--ease-out), color var(--fast);
}
.tabs a[aria-current='page'] { background: var(--fill-strong); color: var(--ink); }
.tabs a[data-route='xd'][aria-current='page'] svg { color: var(--x); }

/* pages */
.view { animation: view-in var(--slow) var(--ease-out) both; }
@keyframes view-in {
  from { opacity: 0; transform: translateY(10px); }
}

.view--page {
  width: min(1180px, 100% - var(--gutter) * 2);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 72px) 0 120px;
}

/* toasts */
.toasts {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: var(--z-toast);
  display: grid;
  gap: var(--s-2);
  justify-items: center;
  width: min(440px, 100vw - 32px);
  transform: translateX(-50%);
  pointer-events: none;
}
.toast {
  max-width: 100%;
  padding: 12px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(16, 18, 24, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px -20px #000;
  font-size: var(--t-sm);
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  pointer-events: auto;
  animation: toast-in var(--base) var(--ease-spring) both;
  transition: opacity var(--base), transform var(--base);
}
.toast.is-leaving { opacity: 0; transform: translateY(8px); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
}

@media (max-width: 1199px) {
  .nav { grid-template-columns: 1fr auto; padding: 0 8px 0 18px; }
  .nav__links { display: none; }
  .pill--demo { display: none; }
  .tabs { display: grid; }
  .toasts { bottom: calc(96px + env(safe-area-inset-bottom)); }
  .view--page { padding: calc(var(--nav-h) + 44px) 0 140px; }
}