/* Echo Listening Room — player page styles.
   Loaded after /styles.css and uses only its tokens, so the standard
   theme + OpenDyslexic toggles work unchanged. The page's signature is
   the gold "already-heard" wash across the captions: words shift from
   muted, through metallic gold once heard, with the active word at full
   strength — Echo's three-tier subtitle model in KinNoKi's material. */

/* Player-only semantic colors. Each text token clears 4.5:1 against both
   --bg and --surface in its theme; control boundaries clear 3:1. */
:root {
  --room-text-secondary: #c7c7cc;
  --room-text-tertiary: #a9a9af;
  --room-text-accent: #d9bd7a;
  --room-text-error: #ff9b8f;
  --room-action-text: #000000;
  --room-control-border: #737378;
  --room-track: #8a8a90;
}

[data-theme="light"] {
  --room-text-secondary: #4c4c50;
  --room-text-tertiary: #626267;
  --room-text-accent: #73591f;
  --room-text-error: #9b332b;
  --room-action-text: #000000;
  --room-control-border: #8a8a90;
  --room-track: #737378;
}

/* ── Room chrome ────────────────────────────────────── */
.room-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 56px;
  padding: 0 clamp(16px, 4vw, 32px);
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--separator);
}
.room-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 600; font-size: 15.5px; letter-spacing: -0.01em; white-space: nowrap; }
.room-brand img { width: 28px; height: 28px; object-fit: contain; display: block; }
/* Same specificity trap as styles.css's .nav-brand fix: `.room-brand img`
   (0,1,1) outranks `.logo-on-light` (0,1,0), so re-assert the theme swap. */
.room-brand .logo-on-light { display: none; }
[data-theme="light"] .room-brand .logo-on-dark { display: none; }
[data-theme="light"] .room-brand .logo-on-light { display: block; }
.room-bar-nav { display: flex; align-items: center; gap: 10px; }
.room-back { color: var(--room-text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; margin-right: 6px; }
.room-back:hover { color: var(--text); }
.room-bar .font-toggle {
  color: var(--room-text-secondary);
  border-color: var(--room-control-border);
}
.room-bar .theme-toggle {
  color: var(--room-text-secondary);
  border-color: var(--room-control-border);
}
.room-bar .font-toggle:hover, .room-bar .theme-toggle:hover { color: var(--text); }
body.font-opendyslexic .room-bar .font-toggle {
  color: var(--room-text-accent);
  border-color: var(--room-control-border);
}

/* ── Page scaffold ──────────────────────────────────── */
.room-main {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) clamp(16px, 4vw, 32px) 32px;
}
.room-glow {
  position: absolute;
  inset: -60px 0 auto;
  height: 420px;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 55% at 50% 0%, color-mix(in srgb, var(--gold-500) 11%, transparent), transparent 70%);
}
@media (prefers-reduced-motion: no-preference) {
  .room-main.playing .room-glow { animation: room-breathe 8s ease-in-out infinite; }
}
@keyframes room-breathe {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}
.room-eyebrow { position: relative; text-align: center; margin-bottom: clamp(20px, 4vw, 34px); color: var(--room-text-accent); }

/* ── Player layout ──────────────────────────────────── */
.room { position: relative; display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); gap: clamp(20px, 4vw, 44px); align-items: start; }

.room-side { display: flex; flex-direction: column; gap: 18px; }
.room-cover-frame {
  margin: 0;
  width: min(200px, 58vw);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--separator);
  box-shadow: 0 14px 44px color-mix(in srgb, var(--gold-500) 16%, transparent), 0 2px 10px rgba(0, 0, 0, 0.4);
}
.room-cover-frame img { display: block; width: 100%; height: auto; }
.book-series {
  margin: 0 0 3px;
  color: var(--room-text-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.02em;
}
.series-progress {
  margin: 0 0 10px;
  color: var(--room-text-secondary);
  font-size: 12.5px;
}
.series-navigation {
  display: flex;
  gap: 8px;
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 2px solid var(--room-text-accent);
}
.book-series[hidden], .series-progress[hidden], .series-navigation[hidden],
.series-link[hidden], .edition-status[hidden], .room-library[hidden] { display: none; }
.series-link {
  color: var(--room-text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  text-underline-offset: 3px;
}
.series-link:hover { color: var(--room-text-accent); }
.series-link:focus-visible {
  outline: 2px solid var(--room-text-accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.edition-status {
  margin: 0 0 12px;
  padding: 9px 10px;
  border: 1px solid var(--separator);
  border-radius: 8px;
  color: var(--room-text-secondary);
  background: var(--fill-2);
  font-size: 12px;
  line-height: 1.5;
}
.room-meta h1 { font-size: clamp(22px, 3vw, 27px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 6px; }
.room-subtitle { color: var(--room-text-secondary); font-size: 14.5px; line-height: 1.5; margin: 0 0 8px; }
.room-byline { color: var(--room-text-tertiary); font-size: 13px; margin: 0; }

.room-chapters { border-top: 1px solid var(--separator); padding-top: 12px; }
.room-chapters summary {
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--room-text-secondary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.room-chapters summary::-webkit-details-marker { display: none; }
.room-chapters summary::after { content: "▾"; font-size: 11px; color: var(--room-text-tertiary); transition: transform 0.15s var(--ease); }
.room-chapters[open] summary::after { transform: rotate(180deg); }
.room-chapters summary:hover { color: var(--text); }
.room-chapter-count { color: var(--room-text-tertiary); font-weight: 500; }
.room-chapters ol { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; }
.room-chapters li { border-bottom: 1px solid var(--separator); }
.room-chapters li:last-child { border-bottom: none; }
.room-chapter-btn {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 9px 2px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13.5px;
  text-align: left;
  color: var(--room-text-secondary);
}
.room-chapter-btn:hover { color: var(--text); }
.room-chapter-btn .t { font-family: var(--font-mono); font-size: 11.5px; color: var(--room-text-tertiary); flex: none; }
.room-chapters [aria-current="true"] .room-chapter-btn { color: var(--room-text-accent); font-weight: 600; }

/* ── Stage: figure (slideshow) ──────────────────────── */
/* Hidden until listen.js gets an imageCue from the resolver; cover-only
   books never unhide it. Same surface/border material as the captions
   so the stage reads as one instrument. */
.room-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
}
.room-figure[hidden] { display: none; }
.room-figure img {
  display: block;
  width: 100%;
  max-height: 46vh;
  object-fit: contain;
  border-radius: 8px;
}
.room-figure figcaption {
  color: var(--room-text-tertiary);
  font-size: 12.5px;
  line-height: 1.5;
  text-align: center;
}
@media (prefers-reduced-motion: no-preference) {
  .room-figure { transition: opacity 0.2s var(--ease); }
  .room-figure.swap { opacity: 0; }
}

/* ── Stage: captions ────────────────────────────────── */
.room-stage { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.room-now {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--room-text-accent);
  min-height: 1.2em;
}
.room-captions {
  background: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
  padding: clamp(20px, 3.5vw, 30px);
  min-height: 11.5em;
  display: flex;
  align-items: center;
}
.room-captions p[aria-hidden] {
  margin: 0;
  font-size: clamp(18.5px, 2.4vw, 23px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.room-captions .w { color: var(--room-text-secondary); }
.room-captions .w.heard { color: var(--room-text-accent); }
.room-captions .w.active { color: var(--text); text-shadow: 0 0 18px color-mix(in srgb, var(--gold-300) 35%, transparent); }
@media (prefers-reduced-motion: no-preference) {
  .room-captions .w { transition: color 0.25s var(--ease); }
  .room-captions p[aria-hidden] { transition: opacity 0.25s var(--ease); }
  .room-captions p[aria-hidden].swap { opacity: 0; }
}
.room-captions .quiet { color: var(--room-text-tertiary); font-size: 15px; font-weight: 400; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.room-status { margin: 0; font-size: 13px; color: var(--room-text-tertiary); min-height: 1.2em; }
.room-status a { color: var(--room-text-secondary); }
.room-status.error { color: var(--room-text-error); }

.room-formats { display: flex; flex-wrap: wrap; gap: 10px; margin: -4px 0 0; }
.room-formats[hidden], .room-empty[hidden] { display: none; }
.room-formats a {
  color: var(--text);
  font-size: 12.5px;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--gold-500) 55%, transparent);
  text-underline-offset: 3px;
}
.room-formats a:hover {
  color: var(--text);
  text-decoration-color: var(--gold-text);
  text-decoration-thickness: 2px;
}

.room-empty {
  position: relative;
  margin: 0 auto;
  padding: clamp(18px, 4vw, 26px);
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
  background: var(--surface);
  color: var(--text);
  font-size: 17px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

/* ── Transport ──────────────────────────────────────── */
.room-transport {
  position: sticky;
  bottom: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 0 14px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.room-buttons { display: flex; align-items: center; justify-content: center; gap: 18px; }
.room-buttons > button { flex: none; }
.room-play {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--room-control-border);
  background: var(--grad-gold);
  color: #1d1d1f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.room-play:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.3); }
.room-play:active:not(:disabled) { transform: scale(0.96); }
.room-play:disabled { filter: saturate(0.4); opacity: 0.6; cursor: default; }
.room-skip {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  background: none;
  border: none;
  color: var(--room-text-secondary);
  font-family: inherit;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  padding: 6px;
}
.room-skip:hover { color: var(--text); }
.room-speed {
  background: none;
  border: 1px solid var(--room-control-border);
  border-radius: var(--radius-pill);
  color: var(--room-text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  height: 30px;
  padding: 0 12px;
  cursor: pointer;
}
.room-speed:hover { color: var(--text); background: var(--fill-2); }

.room-scrub { display: flex; flex-direction: column; gap: 4px; }
.room-scrub input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
.room-scrub input[type="range"]:disabled { cursor: default; opacity: 0.5; }
.room-scrub input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(to right,
    var(--room-text-accent) 0%,
    var(--room-text-accent) var(--played, 0%),
    var(--room-track) var(--played, 0%),
    var(--room-track) 100%);
}
.room-scrub input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -5px;
  border-radius: var(--radius-pill);
  background: var(--room-text-accent);
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.room-scrub input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--room-track);
}
.room-scrub input[type="range"]::-moz-range-progress {
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--room-text-accent);
}
.room-scrub input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-pill);
  background: var(--room-text-accent);
  border: 1px solid rgba(0, 0, 0, 0.25);
}
.room-times { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11.5px; color: var(--room-text-tertiary); }

/* ── CTA band + library + honesty ───────────────────── */
.room-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(40px, 7vw, 64px);
  padding: clamp(24px, 4vw, 36px);
}
.room-cta h2 { font-size: 20px; letter-spacing: -0.015em; margin: 0 0 6px; }
.room-cta p { color: var(--room-text-secondary); font-size: 14.5px; line-height: 1.6; margin: 0; max-width: 46rem; }
.room-cta .btn-gold { color: var(--room-action-text); }
.room-cta .btn-gold:hover { color: var(--room-action-text); }

.room-library { margin-top: clamp(36px, 6vw, 56px); }
.room-library > h2 { font-size: 17px; letter-spacing: -0.01em; margin: 0 0 14px; }
.room-library-title { font-size: 17px; letter-spacing: -0.01em; margin: 0 0 4px; }
.room-library-sub { color: var(--room-text-secondary); font-size: 13.5px; margin: 0 0 14px; }
.room-library ul, .room-library ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); gap: 10px; }
.series-shelf {
  padding: 18px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
  background: var(--surface);
}
.series-shelf h3 { margin: 0 0 4px; color: var(--text); font-size: 18px; letter-spacing: -0.01em; }
.series-shelf-description { margin: 0; color: var(--room-text-secondary); font-size: 13.5px; line-height: 1.55; }
.series-shelf-availability {
  margin: 5px 0 14px;
  color: var(--room-text-accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
}
/* Visual card: an optional cover thumbnail in column one spanning the
   text rows (title / subtitle / byline / actions) beside it. Cover-less
   entries collapse to a single text column, so nothing breaks while a
   book has no staged cover. */
.room-library li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-auto-rows: min-content;
  align-content: start;
  row-gap: 3px;
  border: 1px solid var(--separator);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13.5px;
}
.room-library li[aria-current="page"] {
  border-color: var(--room-text-accent);
  background: var(--fill-2);
}
.room-library li:has(> .room-lib-cover) {
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
}
/* Sized like the player's cover frame — a fixed width and an automatic
   height, with no forced ratio and no cropping — so each cover keeps its
   natural shape. Most are portrait, but the paired-m4b books ship square
   art: a 5/8 aspect-ratio plus object-fit:cover scaled that square to the
   box height and clipped 37.5% off its sides, cutting the title. The
   width/height attributes the player sets from the catalog give the
   browser the true intrinsic ratio before the image loads. */
.room-library li .room-lib-cover {
  grid-column: 1;
  grid-row: 1 / span 4;
  width: 76px;
  height: auto;
  display: block;
  border: 1px solid var(--separator);
  border-radius: 8px;
  background: var(--fill-2);
}
.room-library li:has(> .room-lib-volume) .room-lib-cover { grid-row-end: span 5; }
.room-library li .room-lib-volume { color: var(--room-text-accent); font-family: var(--font-mono); font-size: 11px; }
.room-library li .room-lib-title { color: var(--text); font-weight: 500; min-width: 0; }
.room-library li .room-lib-subtitle { color: var(--room-text-secondary); font-size: 12.5px; line-height: 1.45; }
.room-library li .room-lib-by { color: var(--room-text-tertiary); font-size: 12px; }
.room-library li .room-lib-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 5px; align-self: end; justify-self: start; }
.room-library li a { color: var(--room-text-secondary); font-size: 12.5px; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--gold-500) 55%, transparent); text-underline-offset: 3px; }
.room-library li a.room-lib-listen {
  color: var(--room-text-accent);
  font-weight: 650;
  text-decoration-thickness: 1.5px;
}
.room-library li a:hover { color: var(--room-text-accent); }

.room-honesty { margin: clamp(28px, 5vw, 40px) 0 0; color: var(--room-text-tertiary); font-size: 12.5px; line-height: 1.6; max-width: 52rem; }
.room-honesty a { color: var(--room-text-secondary); }

.room-noscript { margin-top: 24px; color: var(--room-text-secondary); font-size: 14px; }

.room-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 980px;
  margin: 0 auto;
  padding: 20px clamp(16px, 4vw, 32px) 36px;
  border-top: 1px solid var(--separator);
  font-size: 12.5px;
  color: var(--room-text-tertiary);
}
.room-foot a { color: var(--room-text-secondary); text-decoration: none; }
.room-foot a:hover { color: var(--text); }

/* ── Mobile ─────────────────────────────────────────── */
@media (max-width: 759px) {
  .room { grid-template-columns: 1fr; }
  .room-side { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 16px; }
  .room-cover-frame { width: 104px; flex: none; }
  .room-meta { flex: 1; min-width: 180px; }
  .room-meta h1 { font-size: 19px; }
  .room-chapters { width: 100%; order: 3; }
  .room-captions { min-height: 9.5em; }
  .room-captions p[aria-hidden] { font-size: 17.5px; }
}

@media (max-width: 420px) {
  .series-navigation { flex-direction: column; align-items: flex-start; }
  .series-shelf { padding: 14px; }
  .room-library ul, .room-library ol { grid-template-columns: 1fr; }
}