/* Reader — one continuous strip that never ends */

html.reader-page {
  overflow-anchor: none;          /* we manage the scroll position ourselves */
  scrollbar-width: none;          /* no scrollbar clutter (Firefox) */
  -webkit-tap-highlight-color: transparent;
}
html.reader-page::-webkit-scrollbar {
  display: none;                  /* no scrollbar clutter (WebKit/Blink) */
}
.reader {
  overflow-anchor: none;
}

/* ---------- Strip ---------- */
.strip-wrap {
  outline: none;
}
.strip {
  --w: 1080px;
  width: 100%;
  max-width: var(--w);
  margin: 0 auto;
  background: var(--ink-soft);
  overflow-anchor: none;
}
.strip__spacer {
  height: 0;
}
.strip__set,
.strip__panel,
.strip__panel img {
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
}
.strip__panel img {
  width: 100%;
  height: auto;
  color: transparent;             /* never flash alt text while loading */
  background: var(--ink-soft);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

/* ---------- Progress ---------- */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 60;
  pointer-events: none;
  background: rgb(246 243 238 / 0.08);
}
.progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--paper);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Header ---------- */
.reader-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: calc(10px + env(safe-area-inset-top)) max(12px, var(--gutter)) 0;
  pointer-events: none;
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.reader-header.is-hidden {
  transform: translateY(calc(-100% - 12px));
  opacity: 0;
}
.reader-header:focus-within {
  transform: none;
  opacity: 1;
}
.reader-header__bar {
  pointer-events: auto;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 16px 5px 5px;
  border: 1px solid rgb(42 42 46 / 0.8);
  border-radius: 999px;
  background: rgb(11 11 12 / 0.72);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
}
.back {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.back:hover {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink);
}
.back:active {
  transform: scale(0.92);
}
.reader-header__mark img {
  width: 24px;
  height: 24px;
  display: block;
}
.reader-header__titles {
  min-width: 0;
  flex: 1;
  line-height: 1.1;
}
.reader-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reader-by {
  margin: 2px 0 0;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--paper-60);
}
.reader-count {
  margin: 0;
  flex: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.reader-count__of {
  color: var(--paper-40);
  font-size: 12px;
  margin-left: 2px;
}

/* ---------- Side rails (wide screens only) ---------- */
.rail {
  display: none;
}
@media (min-width: 1300px) {
  .rail {
    display: block;
    position: fixed;
    bottom: var(--u);
    z-index: 40;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--paper-40);
    writing-mode: vertical-rl;
    white-space: nowrap;
  }
  .rail--left {
    left: var(--u);
    transform: rotate(180deg);
  }
  .rail--right {
    right: var(--u);
    font-variant-numeric: tabular-nums;
  }
}

/* ---------- Messages (unknown / coming-soon story) ---------- */
.reader-message {
  min-height: 100svh;
  display: grid;
  place-content: center;
  gap: var(--u-2);
  padding: var(--u) var(--gutter);
  text-align: center;
}
.reader-message h2 {
  font-size: clamp(2.6rem, 10vw, 5.6rem);
  text-transform: uppercase;
  letter-spacing: -0.03em;
}
.reader-message p {
  margin: 0;
  color: var(--paper-60);
}
.reader-message .pill {
  justify-self: center;
}

/* ---------- Loading shimmer (only until a panel has decoded) ---------- */
.strip__panel img:not(.is-loaded) {
  background: linear-gradient(100deg, var(--ink-soft) 30%, #202024 50%, var(--ink-soft) 70%) 0 0 / 300% 100%;
  animation: shimmer 1.68s linear infinite;
}
@keyframes shimmer {
  to { background-position: -150% 0; }
}