/* ============================================================
   CRIMSON AETHER — READER STYLES
   Shared by every /chapter/<slug>/ page.
   ============================================================ */

@view-transition { navigation: auto; }

:root {
  --ink: #0a0708;
  --ink-soft: #120c0d;
  --crimson: #8b0000;
  --blood: #c41230;
  --gold: #c9a84c;
  --gold-hi: #e8ce8e;
  --parchment: #efe4cc;
  --fog: #8b7a70;
  --thread: linear-gradient(90deg, var(--crimson), var(--blood) 55%, var(--gold));
  --chrome-speed: 0.35s;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--ink);
  color: var(--parchment);
  font-family: 'EB Garamond', serif;
  min-height: 100vh;
}

::selection { background: rgba(196, 18, 48, 0.55); color: #fff; }

a { -webkit-tap-highlight-color: rgba(196,18,48,0.25); }

/* ── THE CRIMSON THREAD (reading progress) ── */
.thread-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  z-index: 300;
  background: rgba(139, 0, 0, 0.15);
  pointer-events: none;
}
.thread-progress .thread-fill {
  height: 100%;
  width: 0%;
  background: var(--thread);
  box-shadow: 0 0 8px rgba(196, 18, 48, 0.7);
  transition: width 0.1s linear;
}

/* ── TOP CHROME ── */
.reader-chrome {
  position: fixed;
  top: 3px; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: linear-gradient(180deg, rgba(10,7,8,0.97) 0%, rgba(10,7,8,0.88) 70%, rgba(10,7,8,0) 100%);
  padding-bottom: 26px;
  transition: transform var(--chrome-speed) ease, opacity var(--chrome-speed) ease;
}
.reader-chrome.hidden {
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
}

.chrome-left, .chrome-right {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fog);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}
.home-link:hover { color: var(--gold); }
.home-link svg {
  width: 13px; height: 13px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}

.chrome-title {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--parchment);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chrome-title .ch-num { color: var(--blood); margin-right: 8px; }

/* chapter select */
.chapter-select-wrap { position: relative; }
.chapter-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(18, 12, 13, 0.9);
  border: 1px solid rgba(201, 168, 76, 0.35);
  color: var(--gold);
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 30px 8px 14px;
  cursor: pointer;
  outline: none;
  border-radius: 0;
  max-width: 46vw;
  text-overflow: ellipsis;
  transition: border-color 0.2s;
}
.chapter-select:hover, .chapter-select:focus-visible { border-color: var(--gold); }
.chapter-select:focus-visible { outline: 2px solid var(--blood); outline-offset: 2px; }
.chapter-select option { background: #140e0f; color: var(--parchment); }
.chapter-select-wrap::after {
  content: "▾";
  position: absolute;
  right: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 9px;
  pointer-events: none;
}

/* width mode buttons (desktop only) */
.width-modes { display: flex; gap: 2px; }
.width-btn {
  background: rgba(18, 12, 13, 0.9);
  border: 1px solid rgba(139, 0, 0, 0.35);
  color: var(--fog);
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.width-btn:hover { color: var(--gold); border-color: rgba(201, 168, 76, 0.5); }
.width-btn:focus-visible { outline: 2px solid var(--blood); outline-offset: 2px; }
.width-btn.active {
  color: var(--gold-hi);
  border-color: var(--gold);
  background: rgba(201, 168, 76, 0.08);
}
@media (max-width: 720px) { .width-modes { display: none; } }

/* ── CHAPTER OPENING PLATE ── */
.chapter-plate {
  padding: 96px 20px 40px;
  text-align: center;
}
.plate-eyebrow {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: var(--blood);
  margin-bottom: 14px;
}
.plate-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.03em;
  text-shadow: 3px 3px 0 rgba(139, 0, 0, 0.85), 6px 6px 18px rgba(0, 0, 0, 0.9);
  margin-bottom: 18px;
}
.plate-thread {
  width: 110px;
  height: 1px;
  margin: 0 auto;
  background: var(--thread);
  position: relative;
}
.plate-thread::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 5px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--gold);
}
.plate-meta {
  margin-top: 16px;
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fog);
}

/* ── PANEL STRIP ── */
.panel-strip {
  margin: 0 auto;
  width: 100%;
  transition: max-width 0.25s ease;
}
.panel-strip.mode-fit     { max-width: 100%; }
.panel-strip.mode-comfort { max-width: 760px; }
.panel-strip.mode-wide    { max-width: 980px; }

.panel {
  display: block;
  width: 100%;
  height: auto;
  background: var(--ink-soft);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.panel.loaded { opacity: 1; }
/* aspect-ratio placeholder prevents scroll jumping while panels load */
.panel[data-loading] { min-height: 60vh; }

/* ── END OF CHAPTER ── */
.chapter-end {
  max-width: 760px;
  margin: 56px auto 0;
  padding: 0 20px 90px;
  text-align: center;
}
.end-thread {
  width: 1px;
  height: 72px;
  margin: 0 auto 30px;
  background: linear-gradient(180deg, transparent, var(--crimson) 40%, var(--gold));
}
.end-label {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--fog);
  margin-bottom: 34px;
}

.next-card {
  display: block;
  position: relative;
  max-width: 460px;
  margin: 0 auto 36px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.next-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.next-card:focus-visible { outline: 2px solid var(--blood); outline-offset: 3px; }
.next-card .next-cover {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: center 22%;
  filter: saturate(0.9);
  transition: filter 0.25s;
}
.next-card:hover .next-cover { filter: saturate(1.05); }
.next-card .next-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,7,8,0.1) 0%, rgba(10,7,8,0.92) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 18px;
}
.next-card .next-kicker {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.next-card .next-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-shadow: 2px 2px 0 rgba(139, 0, 0, 0.8);
}

.end-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.end-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--fog);
  background: transparent;
  border: 1px solid rgba(139, 0, 0, 0.4);
  padding: 12px 22px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.end-btn:hover { color: var(--gold); border-color: rgba(201, 168, 76, 0.55); background: rgba(201, 168, 76, 0.05); }
.end-btn:focus-visible { outline: 2px solid var(--blood); outline-offset: 2px; }
.end-btn svg {
  width: 13px; height: 13px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.fin-mark {
  font-family: 'Cinzel Decorative', serif;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.4em;
  margin-bottom: 30px;
}

/* ── FLOATING PREV/NEXT (bottom corners, shown with chrome) ── */
.float-nav {
  position: fixed;
  bottom: 18px;
  left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
  pointer-events: none;
  transition: transform var(--chrome-speed) ease, opacity var(--chrome-speed) ease;
}
.float-nav.hidden { transform: translateY(130%); opacity: 0; }
.float-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--parchment);
  background: rgba(10, 7, 8, 0.92);
  border: 1px solid rgba(201, 168, 76, 0.3);
  padding: 11px 16px;
  text-decoration: none;
  transition: all 0.2s;
}
.float-btn:hover { color: var(--gold-hi); border-color: var(--gold); }
.float-btn:focus-visible { outline: 2px solid var(--blood); outline-offset: 2px; }
.float-btn.disabled { opacity: 0.25; pointer-events: none; }
@media (max-width: 720px) { .float-nav { display: none; } }
.float-btn svg {
  width: 12px; height: 12px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ── FOOTER ── */
.reader-footer {
  border-top: 1px solid rgba(139, 0, 0, 0.25);
  padding: 30px 20px 40px;
  text-align: center;
}
.reader-footer p {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fog);
}
.reader-footer a { color: var(--gold); text-decoration: none; }
.reader-footer a:hover { color: var(--gold-hi); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}


/* ── MOBILE DOCK (thumb-zone nav) ── */
.reader-dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 220;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(12, 8, 9, 0.96);
  border-top: 1px solid rgba(201, 168, 76, 0.25);
  padding-bottom: env(safe-area-inset-bottom);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--chrome-speed) ease, opacity var(--chrome-speed) ease;
}
@media (max-width: 720px) { .reader-dock { display: grid; } }
.reader-dock.hidden { transform: translateY(110%); opacity: 0; pointer-events: none; }
.dock-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 4px 9px;
  min-height: 56px;
  background: none;
  border: 0;
  color: var(--fog);
  text-decoration: none;
  font-family: 'Cinzel', serif;
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s;
}
.dock-btn:active { color: var(--gold-hi); }
.dock-btn svg {
  width: 19px; height: 19px;
  stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.dock-btn.disabled { opacity: 0.25; pointer-events: none; }
.dock-btn.accent { color: var(--gold); }

/* ── PANEL COUNTER PILL (immersive mode) ── */
.panel-pill {
  position: fixed;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translate(-50%, 24px);
  z-index: 210;
  background: rgba(12, 8, 9, 0.9);
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--parchment);
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  padding: 7px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--chrome-speed) ease, transform var(--chrome-speed) ease;
}
.panel-pill.show { opacity: 1; transform: translate(-50%, 0); }
.panel-pill .pill-gold { color: var(--gold); }

/* ── SHARE TOAST ── */
.share-toast {
  position: fixed;
  bottom: calc(80px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translate(-50%, 12px);
  z-index: 400;
  background: rgba(12, 8, 9, 0.96);
  border: 1px solid var(--gold);
  color: var(--gold-hi);
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 12px 22px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.share-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* extra bottom room so the dock never covers the footer */
@media (max-width: 720px) {
  .chapter-end { padding-bottom: 130px; }
  .reader-footer { padding-bottom: calc(90px + env(safe-area-inset-bottom)); }
}