html,
body {
  max-width: 100%;
  overflow-x: hidden;
}
/* Reset & basic page */
body,
ul {
  margin: 0;
  padding: 0;
}
body {
  font-family: sans-serif;
}
header {
  position: relative;
  background: #333;
  color: #fff;
  padding: 0.5em 1em;
}
#hamburger {
  font-size: 1.5em;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}
nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #444;
  display: none;
}
nav.open {
  display: block;
}
nav ul {
  list-style: none;
}
nav li + li {
  border-top: 1px solid #555;
}
nav a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 0.75em 1em;
}
nav a:hover {
  background: #555;
}
main {
  padding: 1em;
  padding-bottom: 4.5em;
}

/* PLAYER CONTAINER */
#playerContainer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fafafa;
  border-top: 1px solid #ccc;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: bottom 0.2s ease;
}
#playerContainer.collapsed #playerControls {
  display: none;
}

/* HEADER & AUDIO */
#playerHeader {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  padding: 0.5em 0.75em;
}
.top-row {
  display: flex;
  align-items: center;
  gap: 0.5em;
  width: 100%;
}
#nowPlaying {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
audio#audioPlayer {
  width: 100%;
}

/* CONTROLS */
#playerControls {
  display: flex;
  align-items: center;
  padding: 0 1em;
}
.controls-left {
  display: flex;
  flex-direction: column;
  margin-right: auto;
  padding-left: 0.5em;
}
.seek-group {
  display: flex;
  gap: 0.5em;
  margin-bottom: 0.5em;
}
#playerControls button {
  padding: 0.4em 0.6em;
  background: #eee;
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
}

/* COVER ART */
#coverArt {
  display: none;
  margin-left: 0.5em;
  max-width: 80px;
  max-height: 100%;
  object-fit: contain;
}

/* QUEUE OVERLAY */
#queueOverlay {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid #ccc;
  max-height: 200px;
  overflow-y: auto;
  display: none;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}
#queueHeader {
  display: flex;
  justify-content: space-between;
  padding: 0.5em 0.75em;
  background: #f5f5f5;
  border-bottom: 1px solid #ddd;
}
#queueHeader button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1em;
}
#queueList {
  list-style: none;
  margin: 0;
  padding: 0.5em 0.75em;
}
#queueList li {
  margin-bottom: 0.25em;
}
#clearQueue {
  margin: 0.5em 0.75em;
  padding: 0.4em 0.6em;
  background: #eee;
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
}

/* Dark mode overrides */
.dark-mode body {
  background: #121212;
  color: #e0e0e0;
}
.dark-mode header {
  background: #1e1e1e;
  color: #eee;
}
.dark-mode nav {
  background: #2c2c2c;
}
.dark-mode nav a {
  color: #ddd;
}
.dark-mode main {
  background: #121212;
  color: #e0e0e0;
}
.dark-mode footer {
  background: #1e1e1e;
  border-top-color: #333;
}
.dark-mode #playerContainer {
  background: #1e1e1e;
  color: #ccc;
}
.dark-mode button,
.dark-mode select,
.dark-mode input {
  background: #2a2a2a;
  color: #e0e0e0;
  border: 1px solid #444;
}
.dark-mode a {
  color: #66aaff;
}

.dark-mode {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-card: #1b1b1b;
  --bg-input: #222;
  --fg-primary: #e0e0e0;
  --fg-secondary: #aaa;
  --border: #333;
  --accent: #66aaff;
}

/* backgrounds & text */
.dark-mode body,
.dark-mode main {
  background: var(--bg-primary);
  color: var(--fg-primary);
}
.dark-mode header,
.dark-mode footer,
.dark-mode #playerContainer {
  background: var(--bg-secondary);
  color: var(--fg-primary);
  border-color: var(--border);
}
.dark-mode nav {
  background: var(--bg-secondary);
}
.dark-mode nav a {
  color: var(--fg-primary);
}
.dark-mode a,
.dark-mode a.edit-link {
  color: var(--accent);
}

/* library grid/list items */
.dark-mode #bookList .book-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.dark-mode .cover-wrap {
  background: #2a2a2a;
}
.dark-mode .cover-fallback {
  background: #333;
  color: var(--fg-secondary);
}
.dark-mode .book-card {
  background: transparent;
}
.dark-mode .book-meta {
  background: transparent;
}

/* buttons, selects, inputs */
.dark-mode button,
.dark-mode select,
.dark-mode input,
.dark-mode textarea {
  background: var(--bg-input);
  color: var(--fg-primary);
  border: 1px solid var(--border);
}
.dark-mode input::placeholder {
  color: var(--fg-secondary);
}

/* progress bars */
.dark-mode #progressContainer,
.dark-mode .progressContainer {
  background: #2a2a2a;
}
.dark-mode #progressBar,
.dark-mode .progressBar {
  background: var(--accent);
}

/* upload page list */
.dark-mode #chapterListContainer ul li button {
  background: var(--bg-input);
  color: var(--fg-primary);
  border: 1px solid var(--border);
}

/* readAlong sidebar & content */
.dark-mode .read-along-wrapper {
  background: var(--bg-primary);
}
.dark-mode #chap-nav {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
}
.dark-mode #readAlongContent {
  background: var(--bg-primary);
  color: var(--fg-primary);
}
.dark-mode #toggleNav {
  background: var(--border);
  color: var(--fg-primary);
}

/* edit-chapter form */
.dark-mode #paraList li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1em;
  border-radius: 4px;
}
.dark-mode #paraList textarea {
  background: var(--bg-input);
  color: var(--fg-primary);
  border: 1px solid var(--border);
}
.dark-mode .para-buttons button {
  background: var(--bg-secondary);
  color: var(--fg-primary);
  border: 1px solid var(--border);
}

/* queue overlay */
.dark-mode #queueOverlay {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.dark-mode #queueList li button {
  background: transparent;
  color: var(--fg-primary);
}

/* small typography tweaks */
.dark-mode h1,
.dark-mode h2,
.dark-mode h3 {
  color: var(--fg-primary);
}
.dark-mode p,
.dark-mode li,
.dark-mode label {
  color: var(--fg-primary);
}

/* Custom control buttons */
.dark-mode #playerControls button,
.dark-mode #queueOverlay button {
  background: var(--bg-card);
  color: var(--fg-primary);
  border: 1px solid var(--border);
}
.dark-mode #playerControls button:hover,
.dark-mode #queueOverlay button:hover {
  background: var(--bg-secondary);
}

/* Invert the native audio element so Android's controls look darkish.
      iOS will ignore the filter but Android/WebKit will invert. */
.dark-mode audio#audioPlayer {
  filter: invert(0.1) brightness(1.1);
}

/* Tweak WebKit shadow DOM controls for Chrome/Android */
.dark-mode audio::-webkit-media-controls-panel {
  background: var(--bg-secondary) !important;
}
.dark-mode audio::-webkit-media-controls-play-button,
.dark-mode audio::-webkit-media-controls-volume-slider,
.dark-mode audio::-webkit-media-controls-current-time-display,
.dark-mode audio::-webkit-media-controls-timeline {
  filter: invert(1) !important;
}

/* Hide default outline (optional) */
.dark-mode audio:focus {
  outline: none;
}