.toast {
  position: fixed;
  left: 50%;
  bottom: 5rem;
  z-index: 40;
  max-width: min(90vw, 24rem);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  color: white;
  background: rgba(25, 28, 30, 0.92);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.8rem);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.update-banner {
  position: fixed;
  left: 50%;
  bottom: max(4.4rem, calc(env(safe-area-inset-bottom) + 4.4rem));
  z-index: 45;
  display: none;
  grid-template-columns: 1fr auto auto;
  gap: 0.65rem;
  align-items: center;
  width: min(92vw, 30rem);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.7rem 0.75rem 0.7rem 0.95rem;
  color: var(--ink);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.update-banner.visible {
  display: grid;
}

.update-banner button {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-strong);
  background: transparent;
  font-weight: 800;
}

.update-banner #updateButton,
.update-banner #installBannerButton {
  padding: 0.48rem 0.75rem;
  color: white;
  background: var(--accent-strong);
}

.update-banner #dismissUpdateButton,
.update-banner #dismissInstallButton {
  width: 2rem;
  height: 2rem;
  font-size: 1.25rem;
  line-height: 1;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 0.9rem;
  padding: 2.2rem 1rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--paper) 76%, transparent);
  text-align: center;
}

/* --- First-run walkthrough ------------------------------------------------ */

.onboarding {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: color-mix(in srgb, #14140f 62%, transparent);
  backdrop-filter: blur(3px);
}

.onboarding-card {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 22rem);
  padding: 1.5rem 1.35rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--paper-strong);
  box-shadow: 0 1.25rem 3rem rgba(0, 0, 0, 0.32);
  text-align: center;
}

.onboarding-card h2 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.35;
}

.onboarding-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.onboarding-progress {
  display: flex;
  gap: 0.35rem;
  justify-content: center;
  margin: 0.15rem 0 0.35rem;
}

.onboarding-dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--line);
  cursor: pointer;
}

.onboarding-dot.is-current {
  width: 1.35rem;
  background: var(--accent-strong);
}

.onboarding-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.onboarding-spacer { flex: 1 1 auto; }

.onboarding-actions button {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}

/* Skip is deliberately quiet but never hidden -- it is on every step, because a tour someone
   cannot leave is worse than no tour. */
.onboarding-skip {
  border-color: transparent !important;
  background: transparent !important;
  color: var(--muted) !important;
  font-weight: 500 !important;
}

.onboarding-next {
  border-color: var(--accent-strong) !important;
  background: var(--accent-strong) !important;
  color: #fff !important;
}

/* --- Walkthrough visuals -------------------------------------------------- */

.onboarding-visual {
  display: grid;
  place-items: center;
  min-height: 4.6rem;
  margin-bottom: 0.15rem;
}

.onboarding-hero {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.onboarding-glyph {
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.onboarding-glyph.is-large {
  width: 3rem;
  height: 3rem;
  color: var(--accent-strong);
  stroke-width: 1.4;
}

/* The Settings step shows the real control -- the same glyph in the same round button the header
   uses -- scaled up to sit alongside the other steps' large glyphs. */
.onboarding-control {
  width: 3rem;
  height: 3rem;
  font-size: 1.75rem;
  line-height: 1;
}

.onboarding-plus {
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 300;
}

/* A miniature of the real tab bar. Same icons, same order, so the tab named in the text is one the
   reader has already seen before they go looking for it. */
.onboarding-nav {
  display: flex;
  gap: 0.1rem;
  justify-content: center;
  width: 100%;
  padding: 0.45rem 0.3rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--paper);
}

.onboarding-tab {
  display: grid;
  flex: 1 1 0;
  gap: 0.18rem;
  justify-items: center;
  padding: 0.25rem 0.1rem;
  border-radius: 0.45rem;
  color: var(--muted);
}

.onboarding-tab small {
  font-size: 0.58rem;
  letter-spacing: 0.01em;
}

.onboarding-tab.is-active {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent-strong);
  font-weight: 700;
}

/* The offer to jump straight to the feature. Prominent enough to be the obvious thing to do, but
   below the text so it does not compete with reading it. */
.onboarding-jump {
  width: 100%;
  margin-top: 0.15rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--accent-strong);
  border-radius: 0.6rem;
  background: transparent;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.onboarding-jump:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}