/* BPM shared navigation + audio (matches epaprep.pages.dev) */

.wp-audio-panel {
  background: #ffffff;
  border-bottom: 2px solid #1F3864;
  padding: 8px 12px;
  position: sticky;
  top: 0;
  z-index: 950;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
  margin: 0 0 20px;
  overflow: visible;
}

.wp-audio-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  overflow: visible;
}

.wp-audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 36px;
}

.wp-audio-btn:focus {
  outline: 2px solid #d97706;
  outline-offset: 2px;
}

.wp-btn-play-main {
  background: #1F3864;
  color: #ffffff;
  flex-shrink: 1;
  min-width: 0;
}

.wp-btn-play-main:hover {
  background: #2c54a0;
}

.wp-btn-stop {
  background: #f2f2f2;
  color: #1c1c1e;
  border: 1px solid #cccccc;
}

.wp-btn-stop:hover:not(:disabled) {
  background: #e0e0e0;
}

.wp-btn-stop:disabled {
  opacity: 0.4;
  cursor: default;
}

.wp-speed-dropdown {
  position: relative;
  flex-shrink: 0;
}

.wp-speed-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 8px;
  border: 1px solid #cccccc;
  background: #f2f2f2;
  color: #555;
  cursor: pointer;
  border-radius: 4px;
  white-space: nowrap;
  min-height: 36px;
}

.wp-speed-toggle:hover {
  background: #e8e8e8;
}

.wp-speed-toggle:focus {
  outline: 2px solid #d97706;
  outline-offset: 1px;
}

.wp-speed-toggle[aria-expanded="true"] .wp-speed-chevron {
  transform: rotate(180deg);
}

.wp-speed-chevron {
  font-size: 10px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.wp-speed-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: #ffffff;
  border: 1px solid #cccccc;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  min-width: 100%;
  z-index: 1001;
}

.wp-speed-menu[hidden] {
  display: none;
}

.wp-speed-option {
  display: block;
  width: 100%;
  text-align: left;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: #1c1c1e;
  cursor: pointer;
}

.wp-speed-option:hover,
.wp-speed-option:focus {
  background: #f2f2f2;
  outline: none;
}

.wp-speed-option.active,
.wp-speed-option[aria-selected="true"] {
  background: #1F3864;
  color: #ffffff;
}

.wp-speed-option.active:hover,
.wp-speed-option.active:focus,
.wp-speed-option[aria-selected="true"]:hover,
.wp-speed-option[aria-selected="true"]:focus {
  background: #2c54a0;
}

@media (max-width: 480px) {
  .wp-speed-menu {
    left: auto;
    right: 0;
    min-width: 7.5rem;
  }
}

.wp-audio-progress {
  font-size: 11px;
  color: #888;
  margin-left: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 0 1 auto;
}

.wp-audio-progress:empty {
  display: none;
}

@media (min-width: 480px) {
  .wp-audio-panel {
    padding: 10px 20px;
  }

  .wp-audio-inner {
    gap: 10px;
  }

  .wp-audio-btn {
    font-size: 13px;
    padding: 6px 14px;
    gap: 6px;
    min-height: 0;
  }

  .wp-speed-toggle {
    padding: 6px 10px;
    min-height: 0;
  }

  .wp-audio-progress {
    font-size: 12px;
  }
}

.wp-play-section-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
}

.wp-play-section-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.wp-play-section-btn:focus {
  outline: 2px solid #d97706;
  outline-offset: 2px;
}

.wp-play-section-btn.wp-btn-active {
  background: #d97706;
  border-color: #d97706;
}

.wp-play-section-btn.wp-on-light {
  background: #1F3864;
  color: #ffffff;
  border-color: #1F3864;
}

.wp-play-section-btn.wp-on-light:hover {
  background: #2c54a0;
  border-color: #2c54a0;
}

.wp-play-bar {
  margin: 0 0 14px;
}

.acc-body:not(.open) > .wp-play-bar:first-child,
.how-to-body:not(.open) > .wp-play-bar:first-child {
  display: none;
}

.wp-play-in-part {
  padding: 10px 16px;
  background: #f2f2f2;
  border-left: 1px solid #cccccc;
  border-right: 1px solid #cccccc;
}

.wp-minimise-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 24px auto 8px;
  background: none;
  border: 1px solid #cccccc;
  color: #777;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.wp-minimise-btn:hover {
  background: #f2f2f2;
  border-color: #1F3864;
  color: #1F3864;
}

.wp-minimise-btn:focus {
  outline: 2px solid #d97706;
  outline-offset: 2px;
}

.wp-section-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 20px 0 40px;
}

.wp-section-ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid #cccccc;
  color: #777;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.wp-section-ctrl-btn:hover {
  background: #f2f2f2;
  border-color: #1F3864;
  color: #1F3864;
}

.wp-section-ctrl-btn:focus {
  outline: 2px solid #d97706;
  outline-offset: 2px;
}

.acc-unit.wp-section-playing,
.section-item.wp-section-playing,
.part-section.wp-section-playing,
.how-to-wrap.wp-section-playing {
  box-shadow: 0 0 0 3px #d97706;
  border-radius: 4px;
}

mark.wp-read-sentence {
  background: transparent;
  color: inherit;
  padding: 0;
}

mark.wp-read-sentence.wp-read-active,
.wp-reading-active {
  background: #ffe08a;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  border-radius: 2px;
  transition: background 0.15s ease;
}

.toc-menu .toc-back-top {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 700;
}

.toc-container,
#toc-container {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  right: calc(24px + env(safe-area-inset-right, 0px));
  z-index: 1000;
}

body[data-wp-page="lesson"] {
  padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

.toc-btn {
  background: #1F3864;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  font-family: Arial, Helvetica, sans-serif;
  cursor: pointer;
  display: block;
  width: 100%;
  text-align: left;
}

.toc-btn:hover {
  background: #2c54a0;
}

.toc-btn:focus {
  outline: 2px solid #2c54a0;
  outline-offset: 2px;
}

.toc-menu {
  display: none;
  background: #1F3864;
  border-radius: 4px 4px 0 0;
  padding: 8px 0;
  margin-bottom: 4px;
  max-height: 60vh;
  overflow-y: auto;
  min-width: 220px;
}

.toc-menu.open {
  display: block;
}

.toc-menu a {
  display: block;
  padding: 8px 16px;
  color: #ffffff;
  text-decoration: none;
  font-size: 13px;
}

.toc-menu a:hover,
.toc-menu a:focus {
  background: #2c54a0;
  outline: none;
}

/* Mobile: stack wide tables instead of horizontal scroll */
@media (max-width: 639px) {
  .table-wrap {
    overflow-x: visible;
    margin: 16px 0 24px;
  }

  .table-wrap table {
    display: block;
    width: 100%;
  }

  .table-wrap thead {
    display: none;
  }

  .table-wrap tbody {
    display: block;
  }

  .table-wrap tbody tr {
    display: block;
    margin-bottom: 16px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    overflow: hidden;
    background: #ffffff;
  }

  .table-wrap tbody td {
    display: block;
    width: 100% !important;
    border: none;
    border-bottom: 1px solid #eeeeee;
    box-sizing: border-box;
  }

  .table-wrap tbody td:last-child {
    border-bottom: none;
  }

  .table-wrap tbody td::before {
    content: attr(data-label);
    display: block;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #1F3864;
    margin-bottom: 8px;
  }

  .table-wrap td.label-cell {
    background: #f2f2f2;
  }
}

/* Lesson content: progression links and callouts */
.progression-link {
  border-left: 4px solid #cccccc;
  background: #f9f9f9;
  padding: 12px 16px;
  margin: 0 0 24px;
  border-radius: 0 4px 4px 0;
  font-size: 14px;
  color: #555;
}

.progression-link strong {
  color: #1F3864;
}

.callout {
  padding: 14px 18px;
  margin: 20px 0;
  border-radius: 0 4px 4px 0;
}

.callout-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout.note {
  border-left: 4px solid #d97706;
  background: #fffbf0;
}

.callout.note .callout-label {
  color: #d97706;
}

.callout.depth {
  border-left: 4px solid #1F3864;
  background: #eef2f8;
}

.callout.depth .callout-label {
  color: #1F3864;
}

.callout.tip {
  border-left: 4px solid #276221;
  background: #f0f7f0;
}

.callout.tip .callout-label {
  color: #276221;
}

.callout.caution {
  border-left: 4px solid #8b0000;
  background: #fce8e8;
}

.callout.caution .callout-label {
  color: #8b0000;
}

.callout.confidence {
  border-left: 4px solid #5b21b6;
  background: #f5f3ff;
}

.callout.confidence .callout-label {
  color: #5b21b6;
}

@media print {
  .wp-audio-panel,
  .wp-minimise-btn,
  .wp-section-controls,
  .wp-play-section-btn,
  .wp-play-bar,
  .toc-container,
  #toc-container {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flashcard-inner,
  .acc-chevron,
  .wp-speed-chevron,
  .how-to-chevron,
  .part-chevron,
  mark.wp-read-sentence.wp-read-active,
  .wp-reading-active {
    transition: none !important;
  }
}