/* Public entry: web colors belong to homebg.css; native aliases to android-app-theme.css.
   Routing/auth remain owned by script.js. No viewport clipping or motion controls. */
#landing.welcome-page {
  --welcome-book-height: max(148px, min(36svh, calc(100svh - 380px), 330px));
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; justify-items: center;
  width: 100%; max-width: none; min-height: 100svh; height: auto; margin: 0;
  padding: max(20px, env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) max(12px, env(safe-area-inset-bottom, 0px)) max(24px, env(safe-area-inset-left, 0px));
  overflow: visible; border: 0; border-radius: 0; box-shadow: none;
  background: var(--welcome-paper); color: var(--welcome-ink);
  font: 400 16px/1.5 "Inter", system-ui, sans-serif; text-align: center;
}
#landing.welcome-page.hidden { display: none; }
#landing #promoAccessCard[hidden] { display: none; }
#landing.welcome-page :where(p, a, button, span, header) { font-family: inherit; }
#landing.welcome-page::before { content: none; }
#landing.welcome-page::after { content: none; }
#landing .welcome-brand {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 28px; font-size: 13px; font-weight: 700; letter-spacing: .04em;
}
#landing .welcome-brand span { padding-left: 10px; border-left: 1px solid var(--welcome-line); font-weight: 400; letter-spacing: 0; }
#landing .welcome-content {
  container: welcome / inline-size;
  display: grid; grid-template-areas: "heading" "book" "actions";
  justify-items: center; align-content: center;
  width: min(100%, 1320px); min-width: 0; margin: 0; padding: 16px 0;
}
#landing .welcome-heading { grid-area: heading; min-width: 0; }
#landing .welcome-heading h1 {
  margin: 0; color: var(--welcome-ink);
  font: 400 clamp(44px, 5vw, 64px)/1.08 "Norwester", "Arial Narrow", sans-serif;
  letter-spacing: -.025em; text-transform: none;
}
#landing .welcome-heading h1 span { color: var(--welcome-accent); font: inherit; }
#landing #welcomeTitle:focus { outline: none; }
#landing .welcome-heading p { margin: 8px 0 0; color: var(--welcome-muted); font: 400 15px/1.6 "Inter", system-ui, sans-serif; }
#landing .welcome-book-stage {
  grid-area: book; position: relative; display: grid; place-items: center;
  width: 100%; min-width: 0; height: calc(var(--welcome-book-height) + 60px);
  margin: 4px 0 8px; padding: 16px 0 44px;
}
#landing .welcome-book-halo {
  position: absolute; width: 100%; max-width: 660px; height: 90%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(ellipse, color-mix(in srgb, var(--welcome-accent) 7%, transparent), transparent 68%);
}
#landing .welcome-book-float {
  position: relative; height: var(--welcome-book-height); aspect-ratio: 184 / 247;
  transform-origin: 50% 70%; animation: welcome-book-float 6s ease-in-out infinite;
  animation-play-state: paused;
}
#landing #welcomeBook { display: block; width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(8px 14px 12px var(--welcome-shadow)); }
#landing #welcomeBook[hidden] { display: none; }
#landing .welcome-book-fallback:not([hidden]) {
  display: grid; place-content: center; height: 100%; border-radius: 3px 12px 12px 3px;
  border-left: 8px solid var(--welcome-accent-strong);
  background: var(--welcome-paper); color: var(--welcome-ink);
  box-shadow: 8px 14px 24px var(--welcome-shadow);
  font: 400 44px/1.1 "Norwester", sans-serif;
}
#landing .welcome-book-shadow {
  position: absolute; bottom: 16px; width: calc(var(--welcome-book-height) * .62); max-width: 80%; height: 16px; border-radius: 50%;
  background: var(--welcome-ink); opacity: .12; filter: blur(10px);
  animation: welcome-book-shadow 6s ease-in-out infinite; animation-play-state: paused;
}
#landing[data-motion="running"] :is(.welcome-book-float, .welcome-book-shadow) { animation-play-state: running; }
#landing .welcome-actions {
  grid-area: actions;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px;
  width: min(100%, 440px); margin: 0; padding: 0;
}
#landing .welcome-action {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-width: 0; min-height: 62px; padding: 16px 22px; border: 1px solid transparent; border-radius: 18px;
  font: 600 18px/1.4 "Inter", system-ui, sans-serif; text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}
#landing .welcome-action svg { flex: 0 0 22px; width: 22px; height: 22px; }
#landing .welcome-action--login { color: var(--welcome-on-accent); background: var(--welcome-accent); box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--welcome-accent) 32%, transparent); }
#landing .welcome-action--join { color: var(--welcome-ink); background: var(--welcome-paper); border-color: var(--welcome-line); box-shadow: 0 6px 18px -10px var(--welcome-shadow); }
#landing .welcome-action-hint { color: var(--welcome-muted); font: 400 12px/1.5 "Inter", system-ui, sans-serif; }
#landing .welcome-footer {
  display: flex; align-items: center; justify-content: center;
  width: 100%; min-height: 44px;
}
#landing .welcome-sponsor { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 4px 12px; border-radius: 8px; }
#landing .welcome-sponsor img { display: block; width: 120px; height: auto; aspect-ratio: 512 / 137; filter: grayscale(1) brightness(0); opacity: .6; }
#landing :is(a, button):focus-visible { outline: 3px solid var(--welcome-accent); outline-offset: 5px; }
#login .public-return:focus-visible { outline: 3px solid var(--app-palette-primary); outline-offset: 5px; }
#landing:not(.hidden) ~ #chapterMenu:not(.menu-open) { box-shadow: none; }
/* Quiet, explicit way back; leave the existing access form/auth owner intact. */
#login:not(.hidden) { position: relative; padding-top: max(84px, calc(env(safe-area-inset-top, 0px) + 68px)); }
#login .public-return {
  position: absolute; top: max(16px, env(safe-area-inset-top, 0px)); left: max(20px, env(safe-area-inset-left, 0px));
  /* Override the legacy direct-child login width, not the phone form geometry. */
  width: max-content; max-width: calc(100% - 40px); margin: 0;
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px;
  color: var(--app-palette-text); border: 1px solid var(--app-palette-divider); border-radius: 14px;
  background: var(--app-palette-paper); font: 500 14px/1.4 "Inter", system-ui, sans-serif; text-decoration: none;
  cursor: pointer;
}
#login .public-return svg { flex: 0 0 20px; width: 20px; height: 20px; }
#login .public-return:hover { background: var(--app-palette-primary-soft); }
#login .public-return:active { background: var(--app-palette-accent-soft); }
@keyframes welcome-book-float { 0%, 100% { transform: translateY(3px) rotate(-2deg); } 50% { transform: translateY(-9px) rotate(1deg); } }
@keyframes welcome-book-shadow { 0%, 100% { transform: scaleX(1); opacity: .12; } 50% { transform: scaleX(.87); opacity: .07; } }
@media (hover: hover) {
  #landing .welcome-action:hover { transform: translateY(-2px); }
  #landing .welcome-action--login:hover { background: var(--welcome-accent-strong); }
  #landing .welcome-action--join:hover { background: var(--welcome-surface); }
  #landing .welcome-sponsor:hover img { opacity: .9; }
}
#landing .welcome-action:active { transform: translateY(1px); }
@media (max-width: 480px) {
  #landing .welcome-actions { gap: 10px 12px; }
  #landing .welcome-action { min-height: 58px; padding: 14px 18px; }
  #landing .welcome-sponsor img { width: 104px; }
}
/* Wide screens are a composition, not an enlarged phone stack. */
@media (min-width: 900px), (min-width: 520px) and (max-height: 560px) {
  #landing.welcome-page {
    --welcome-book-height: min(64svh, calc(100svh - 180px), 620px, 53vw);
    padding-inline: max(clamp(24px, 5vw, 80px), env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
    text-align: left;
  }
  #landing .welcome-brand { justify-self: stretch; justify-content: flex-start; width: min(100%, 1320px); margin-inline: auto; }
  #landing .welcome-content {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    grid-template-areas: "heading book" "actions book";
    grid-template-rows: 1fr 1fr; column-gap: clamp(28px, 4vw, 72px); row-gap: 32px;
    justify-items: start; align-content: center; padding-block: 16px;
  }
  #landing .welcome-heading { align-self: end; }
  #landing .welcome-heading h1 { font-size: clamp(64px, 6.5vw, 100px); }
  #landing .welcome-heading p { margin-top: 18px; font-size: clamp(16px, 1.35vw, 20px); }
  #landing .welcome-actions { align-self: start; text-align: center; width: min(100%, 480px); }
  #landing .welcome-book-stage { align-self: center; margin: 0; height: calc(var(--welcome-book-height) + 74px); padding: 20px 0 54px; }
  #landing .welcome-book-shadow { bottom: 22px; }
}
@media (min-width: 520px) and (max-height: 560px) {
  #landing.welcome-page { --welcome-book-height: max(140px, calc(100svh - 156px)); padding-block: 8px; }
  #landing .welcome-content { row-gap: 18px; padding-block: 4px; }
  #landing .welcome-heading h1 { font-size: clamp(40px, 6vw, 64px); }
  #landing .welcome-heading p { margin-top: 8px; font-size: 14px; }
  #landing .welcome-action { min-height: 48px; padding: 10px 16px; font-size: 16px; }
  #landing .welcome-actions { gap: 6px 12px; }
  #landing .welcome-book-stage { height: calc(var(--welcome-book-height) + 50px); padding: 12px 0 38px; }
  #landing .welcome-book-shadow { bottom: 12px; }
}
@media (max-width: 359px) {
  #landing .welcome-content { padding-block: 12px; }
  #landing .welcome-heading h1 { font-size: 42px; }
  #landing .welcome-heading p { font-size: 13px; }
}
/* At magnification, allow readable reflow instead of hiding content to force a fit. */
@container welcome (max-width: 220px) {
  #landing .welcome-heading h1 { font-size: clamp(26px, 20cqi, 34px); }
  #landing .welcome-book-float { max-width: 100%; }
  #landing .welcome-actions { grid-template-columns: 1fr; gap: 8px; }
  #landing .welcome-action--login { grid-row: 1; }
  #landing #welcomeLoginHint { grid-row: 2; }
  #landing .welcome-action--join { grid-row: 3; }
  #landing #welcomeJoinHint { grid-row: 4; }
}
@media (prefers-reduced-motion: reduce) {
  #landing :is(.welcome-book-float, .welcome-book-shadow) { animation: none; }
  #landing .welcome-action { transition: none; transform: none; }
}
html[data-native-motion-paused="true"] #landing :is(.welcome-book-float, .welcome-book-shadow) { animation: none; }
@media (forced-colors: active) {
  #landing.welcome-page, #landing .welcome-action { background: Canvas; color: CanvasText; }
  #landing.welcome-page::before, #landing .welcome-book-halo, #landing .welcome-book-shadow { display: none; }
  #landing .welcome-action { border: 1px solid ButtonText; }
  #landing .welcome-book-float { animation: none; }
}