/* V3.1 learner UI styles */
/* CHECK_UNDERSTANDING (Comprehension Quiz Module visual parity with course_v6) */
.course-player-v3 .v3-cu-page-wrap {
  background-color: #e8ecf4;
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.5rem;
}
.course-player-v3 .v3-cu-progress {
  font-size: 0.875rem;
  font-weight: 600;
  color: #546e7a;
  margin-bottom: 0.75rem;
}
.course-player-v3 .v3-cu-question-header-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.course-player-v3 .v3-cu-question-icon-box {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: #bfdbfe;
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-player-v3 .v3-cu-question-icon-box svg {
  display: block;
}
.course-player-v3 .v3-cu-prompt {
  font-size: 1.125rem;
  font-weight: 700;
  color: #2d3436;
  margin: 0;
  line-height: 1.35;
  flex: 1;
  min-width: 0;
}
.course-player-v3 .v3-cu-choice-tile {
  display: block;
  width: 100%;
  text-align: left;
  background-color: #fff;
  border: 1px solid #e8eaed;
  border-radius: 1rem;
  padding: 0;
  margin-bottom: 0.65rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  font: inherit;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.course-player-v3 .v3-cu-choice-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  width: 100%;
  box-sizing: border-box;
}
.course-player-v3 .v3-cu-choice-letter {
  flex-shrink: 0;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  border-radius: 12px;
  background-color: #eef1f4;
  color: #424242;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.course-player-v3 .v3-cu-choice-label {
  flex: 1;
  min-width: 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  color: #37474f;
}
.course-player-v3 .v3-cu-choice-tile:hover {
  border-color: #cfd8dc;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.course-player-v3 .v3-cu-summary-heading {
  font-size: 0.95rem;
  color: #607d8b;
  font-weight: 700;
}
.course-player-v3 .v3-cu-summary-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.course-player-v3 .v3-cu-summary-stat-tile {
  flex: 1 1 160px;
  min-width: 0;
  background-color: #ffffff;
  border: none;
  border-radius: 1.25rem;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.course-player-v3 .v3-cu-summary-stat-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}
.course-player-v3 .v3-cu-summary-stat-label-upper {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #607d8b;
}
.course-player-v3 .v3-cu-summary-ring-wrap {
  --cu-pct: 0;
  position: relative;
  width: 96px;
  height: 96px;
}
.course-player-v3 .v3-cu-summary-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(#1976d2 calc(var(--cu-pct) * 3.6deg), #e0e0e0 0deg);
}
.course-player-v3 .v3-cu-summary-ring-center {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-player-v3 .v3-cu-summary-ring-pct {
  font-size: 1.35rem;
  font-weight: 700;
  color: #37474f;
}
.course-player-v3 .v3-cu-summary-time-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: #e3f2fd;
  color: #1976d2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-player-v3 .v3-cu-summary-time-icon svg {
  display: block;
}
.course-player-v3 .v3-cu-summary-time-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: #37474f;
}
.course-player-v3 .v3-cu-summary-footnote {
  font-size: 0.875rem;
  color: #78909c;
  max-width: 16rem;
}
.course-player-v3 .v3-cu-feedback-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}
.course-player-v3 .v3-cu-feedback-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-player-v3 .v3-cu-feedback-badge--success {
  background-color: rgba(21, 128, 61, 0.2);
}
.course-player-v3 .v3-cu-feedback-badge--error {
  background-color: rgba(153, 27, 27, 0.25);
}
.course-player-v3 .v3-cu-feedback-badge-inner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
}
.course-player-v3 .v3-cu-feedback-badge--success .v3-cu-feedback-badge-inner {
  background-color: #15803d;
  color: #dcfce7;
}
.course-player-v3 .v3-cu-feedback-badge--error .v3-cu-feedback-badge-inner {
  background-color: #991b1b;
  color: #ffffff;
}
.course-player-v3 .v3-cu-feedback-title-text {
  font-size: 1.1rem;
  font-weight: 700;
  flex: 1;
  min-width: 0;
}
.course-player-v3 .v3-cu-modal-body {
  position: relative;
  overflow: hidden;
}
.course-player-v3 .v3-cu-feedback-watermark {
  position: absolute;
  right: -8px;
  bottom: -16px;
  width: 120px;
  height: 120px;
  opacity: 0.14;
  pointer-events: none;
  color: inherit;
}
.course-player-v3 .v3-cu-feedback-watermark svg {
  width: 100%;
  height: 100%;
  display: block;
}
/* Feedback modal surfaces */
.course-player-v3 .modal-content.v3-cu-modal-content--success {
  background-color: #a7f3d0;
  color: #14532d;
  border: none;
  border-radius: 20px;
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-header,
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-body,
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-footer {
  background-color: transparent;
  color: inherit;
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-header,
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-footer {
  border-color: rgba(20, 83, 45, 0.2);
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .modal-footer,
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-footer {
  justify-content: center;
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .v3-cu-modal-continue--success {
  background-color: #2d4f3d;
  border: none;
  color: #fff;
  border-radius: 9999px;
  font-weight: 700;
  padding: 0.5rem 1.35rem;
  box-shadow: 0 4px 14px rgba(45, 79, 61, 0.35);
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .v3-cu-modal-continue--success:hover {
  background-color: #244a38;
  color: #fff;
}
.course-player-v3 .modal-content.v3-cu-modal-content--error {
  background-color: #fca5a5;
  color: #450a0a;
  border: none;
  border-radius: 20px;
}
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-header,
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-body,
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-footer {
  background-color: transparent;
  color: inherit;
}
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-header,
.course-player-v3 .modal-content.v3-cu-modal-content--error .modal-footer {
  border-color: rgba(69, 10, 10, 0.2);
}
.course-player-v3 .modal-content.v3-cu-modal-content--error .v3-cu-modal-continue--error {
  background-color: #5c1f2e;
  border: none;
  color: #fff;
  border-radius: 9999px;
  font-weight: 700;
  padding: 0.5rem 1.35rem;
  box-shadow: 0 4px 14px rgba(92, 31, 46, 0.35);
}
.course-player-v3 .modal-content.v3-cu-modal-content--error .v3-cu-modal-continue--error:hover {
  background-color: #4a1826;
  color: #fff;
}
.course-player-v3 .modal-content.v3-cu-modal-content--success .btn-close,
.course-player-v3 .modal-content.v3-cu-modal-content--error .btn-close {
  filter: brightness(0) saturate(100%) invert(15%) sepia(30%) saturate(2000%);
  opacity: 0.75;
}

.course-player-v3 .v3-action-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  max-width: none;
}

.course-player-v3 .v3-thumb-play-wrap {
  position: relative;
  width: 176px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0.375rem;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media) .v3-thumb-play-wrap {
  margin-left: auto;
  margin-right: auto;
}

.course-player-v3 .v3-action-row-media {
  display: block;
}

.course-player-v3 .v3-action-row {
  display: block;
  width: 100%;
  padding: 0.6rem 0.7rem !important;
}

.course-player-v3 .v3-action-row-clickable {
  cursor: pointer;
}

.course-player-v3 .v3-action-mainline {
  border-radius: 0.5rem;
  padding: 0.35rem 0.55rem;
  transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.course-player-v3 .v3-action-row-clickable:hover .v3-action-mainline,
.course-player-v3 .v3-action-row-clickable:focus-within .v3-action-mainline {
  background-color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.course-player-v3 .v3-action-row-clickable:hover .v3-action-header,
.course-player-v3 .v3-action-row-clickable:focus-within .v3-action-header {
  color: #ffffff;
}

.course-player-v3 .v3-action-row-clickable:hover .v3-action-header i,
.course-player-v3 .v3-action-row-clickable:focus-within .v3-action-header i {
  color: #bfdbfe;
}

.course-player-v3 #v3ProtectedAssetModal {
  --v3-protected-shell-bg: #f8fafc;
  --v3-protected-shell-border: #cbd5e1;
  --v3-protected-header-bg: linear-gradient(90deg, #1d4ed8 0%, #2563eb 100%);
  --v3-protected-header-fg: #ffffff;
  --v3-protected-body-bg: #f1f5f9;
  --v3-protected-frame-bg: #0f172a;
  --v3-protected-page-bg: #ffffff;
  position: fixed;
  top: 68px;
  left: 24px;
  width: min(1020px, calc(100vw - 48px));
  height: calc(100vh - 88px);
  z-index: 1080;
  pointer-events: auto;
}

[data-theme="dark"] .course-player-v3 #v3ProtectedAssetModal,
[data-bs-theme="dark"] .course-player-v3 #v3ProtectedAssetModal {
  --v3-protected-shell-bg: #0f172a;
  --v3-protected-shell-border: #334155;
  --v3-protected-header-bg: linear-gradient(90deg, #1e3a8a 0%, #1d4ed8 100%);
  --v3-protected-header-fg: #e2e8f0;
  --v3-protected-body-bg: #111827;
  --v3-protected-frame-bg: #020617;
  --v3-protected-page-bg: #0b1220;
}

.course-player-v3 #v3ProtectedAssetModal .modal-content {
  background-color: var(--v3-protected-shell-bg);
  border: 1px solid var(--v3-protected-shell-border);
  border-radius: 0.6rem;
  height: 100%;
}

.course-player-v3 #v3ProtectedAssetModal .modal-header {
  background: var(--v3-protected-header-bg);
  color: var(--v3-protected-header-fg);
  border-bottom-color: transparent;
  cursor: move;
}

.course-player-v3 #v3ProtectedAssetModal .modal-title {
  color: var(--v3-protected-header-fg);
  font-weight: 600;
}

.course-player-v3 #v3ProtectedAssetDisplayMode {
  min-width: 130px;
}

.course-player-v3 #v3ProtectedAssetModal .btn-close {
  filter: invert(1) grayscale(1) brightness(1.8);
}

.course-player-v3 #v3ProtectedAssetModal .modal-body {
  background-color: var(--v3-protected-body-bg);
  overflow: auto;
}

.course-player-v3 #v3ProtectedAssetModal .modal-dialog {
  margin: 0;
  width: 100%;
  max-width: none;
  height: 100%;
}

.course-player-v3 .v3-protected-asset-pdf {
  user-select: none;
  background-color: var(--v3-protected-frame-bg);
  border-radius: 0.4rem;
  padding: 0.75rem;
}

.course-player-v3 .v3-protected-asset-pdf canvas {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 0.9rem auto;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 0.35rem;
  background-color: var(--v3-protected-page-bg);
  max-width: 940px;
}

.course-player-v3 .v3-protected-asset-canvas-page:last-child {
  margin-bottom: 0;
}

.course-player-v3 .v3-protected-asset-pdf[data-display-mode="inverted"] .v3-protected-asset-canvas-page {
  filter: invert(1) hue-rotate(180deg) brightness(0.95) contrast(0.92);
  border-color: rgba(100, 116, 139, 0.55);
}

.course-player-v3 .v3-protected-asset-pdf[data-display-mode="dim"] .v3-protected-asset-canvas-page {
  filter: brightness(0.9) contrast(0.94) saturate(0.96);
}

.course-player-v3 .v3-protected-asset-image-wrap {
  text-align: center;
  user-select: none;
}

.course-player-v3 .v3-action-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  margin-bottom: 0;
}

.course-player-v3 .v3-action-header i {
  color: #2563eb;
}

.course-player-v3 .v3-action-header span {
  flex: 1 1 auto;
  min-width: 0;
  white-space: normal;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.course-player-v3 .v3-manual-progress-hint {
  font-size: 0.82rem;
}

.course-player-v3 .v3-sticky-workspace {
  position: sticky;
  top: 0.65rem;
  z-index: 24;
  background-color: inherit;
}

.course-player-v3 #v3-lessons-panel-wrap {
  position: sticky;
  top: 0.65rem;
  align-self: flex-start;
}

.course-player-v3 .v3-workspace-nav .btn {
  min-height: 2.5rem;
}

.course-player-v3 .v3-workspace-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.course-player-v3 .v3-workspace-nav > #v3-mobile-back-btn,
.course-player-v3 .v3-workspace-nav > #v3-mobile-next-btn {
  flex: 1 1 0;
}

.course-player-v3 .v3-mobile-status-wrap {
  display: none;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
  min-width: 0;
}

.course-player-v3 #v3-mobile-step-action-status {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  font-weight: 600;
}

.course-player-v3 #v3-mobile-course-lesson-title {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.3;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-weight: 600;
}

.course-player-v3 #v3-mobile-progress-summary {
  font-size: 0.74rem;
  line-height: 1.2;
  opacity: 0.85;
  white-space: normal;
}

.course-player-v3 .v3-mobile-complete-toggle-btn {
  width: 1.9rem;
  height: 1.9rem;
  min-width: 1.9rem;
  min-height: 1.9rem;
  max-width: 1.9rem;
  max-height: 1.9rem;
  padding: 0;
  border: none;
  border-radius: 999px;
  color: #2563eb;
  background-color: rgba(37, 99, 235, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 1.9rem;
  aspect-ratio: 1 / 1;
  line-height: 1;
  align-self: center;
}

.course-player-v3 .v3-mobile-complete-toggle-btn i {
  font-size: 0.82rem;
  line-height: 1;
}

.course-player-v3 .v3-mobile-complete-toggle-btn[data-completed="true"] {
  color: #ffffff;
  background-color: #2563eb;
}

.course-player-v3 .v3-mobile-complete-toggle-btn[data-completed="false"] i {
  opacity: 0.55;
}

.course-player-v3 #v3-current-action-focus-slot.v3-current-action-focus-slot-empty {
  padding: 0.55rem 0.35rem;
}

.course-player-v3 .v3-current-action-focus-render {
  margin-bottom: 0 !important;
}

.course-player-v3 #v3-current-action-card {
  border: 2px solid #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  background: #f8fbff;
}

.course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) {
  border: 2px solid #2563eb;
  border-radius: 0.55rem;
  background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
  padding: 0.45rem;
}

.course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-mainline {
  background: #ffffff;
  border: 2px solid rgba(37, 99, 235, 0.5);
  border-radius: 0.45rem;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-header {
  color: #0b3a75;
  font-weight: 700;
}

.course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-header i {
  color: #1d4ed8;
}

.course-player-v3 #v3-mobile-inline-audio-host {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding-top: 0.5rem;
}

.course-player-v3 #v3-mobile-inline-audio-player {
  width: 100%;
}

@keyframes v3-mobile-current-action-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

.course-player-v3 .v3-current-action-focus-render * {
  pointer-events: none;
}

.course-player-v3 .v3-current-action-focus-render .v3-action-mark-btn {
  pointer-events: auto;
}

.course-player-v3 .v3-desktop-nav-wrap {
  gap: 0.5rem;
}

.course-player-v3 .v3-desktop-nav-wrap .btn {
  flex: 1 1 0;
  min-height: 2.5rem;
}

@media (min-width: 992px) {
  .course-player-v3 #v3-mobile-status-header {
    display: none !important;
  }

  .course-player-v3 #v3-mobile-lesson-detail-collapse {
    display: block !important;
    height: auto !important;
    visibility: visible !important;
  }

  .course-player-v3 .v3-workspace-nav {
    display: none !important;
  }

  .course-player-v3 #v3StepAccordion {
    position: sticky;
    top: 0.65rem;
    z-index: 20;
  }

  .course-player-v3 .v3-desktop-step-selector-wrap {
    position: sticky;
    top: 4.1rem;
    z-index: 21;
  }

  .course-player-v3 .v3-desktop-steps-pane-shell {
    position: relative;
  }

  .course-player-v3 .v3-desktop-steps-pane {
    max-height: min(56vh, 560px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.2rem;
    scroll-behavior: smooth;
  }

  .course-player-v3 .v3-desktop-steps-pane-shell::before,
  .course-player-v3 .v3-desktop-steps-pane-shell::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 16px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 5;
  }

  .course-player-v3 .v3-desktop-steps-pane-shell::before {
    top: 0;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0.82) 0%, rgba(11, 18, 32, 0) 100%);
  }

  .course-player-v3 .v3-desktop-steps-pane-shell::after {
    bottom: 0;
    background: linear-gradient(0deg, rgba(11, 18, 32, 0.82) 0%, rgba(11, 18, 32, 0) 100%);
  }

  .course-player-v3 .v3-desktop-steps-pane-shell.has-scroll-up::before {
    opacity: 1;
  }

  .course-player-v3 .v3-desktop-steps-pane-shell.has-scroll-down::after {
    opacity: 1;
  }

  .course-player-v3 .v3-step-actions-pane {
    max-height: min(44vh, 420px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.35rem;
    scroll-behavior: smooth;
  }
}

@media (max-width: 991.98px) {
  .course-player-v3 .v3-sticky-workspace {
    position: static;
    top: auto;
    z-index: auto;
  }

  .course-player-v3 #v3-mobile-status-header {
    display: block;
  }

  .course-player-v3 #v3MobileNavAccordion {
    display: block;
  }

  .course-player-v3 #v3MobileNavAccordion .accordion-button {
    font-weight: 500;
    font-size: 0.98rem;
    color: #334155;
    background: #f8fafc;
  }

  .course-player-v3 #v3MobileNavAccordion .accordion-item {
    border-color: #e2e8f0;
  }

  .course-player-v3 #v3MobileNavAccordion .accordion-button:not(.collapsed) {
    background: #f1f5f9;
    color: #1e293b;
    box-shadow: none;
  }

  .course-player-v3 .v3-mobile-lesson-row {
    border-left: 3px solid transparent;
  }

  .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active {
    border-left-color: #93c5fd;
    background-color: #f8fafc;
  }

  .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .text-muted,
  .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .small,
  .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .fw-semibold {
    color: #334155 !important;
  }

  .course-player-v3 #v3-exercise-panel:not(.v3-mobile-exercise-visible) {
    display: none !important;
  }

  .course-player-v3 #v3-exercise-panel.v3-mobile-exercise-visible {
    display: block !important;
  }

  .course-player-v3 #v3StepAccordion .v3-lesson-meta-item {
    display: none;
  }

  .course-player-v3 .v3-workspace-nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.35rem;
  }

  .course-player-v3 .v3-mobile-status-wrap {
    display: flex;
    min-width: 0;
  }

  .course-player-v3 #v3-mobile-step-action-status {
    white-space: nowrap;
    font-size: 0.72rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .course-player-v3 #v3-mobile-progress-summary {
    font-size: 0.7rem;
  }

  .course-player-v3 #v3-sticky-workspace.v3-mobile-player-active #v3-current-action-card {
    display: none;
  }

  .course-player-v3 #v3-current-action-card {
    cursor: pointer;
  }

  .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) {
    animation: v3-mobile-current-action-pulse 1.6s ease-out infinite;
  }
}

[data-theme="dark"] .course-player-v3 .v3-sticky-workspace,
[data-bs-theme="dark"] .course-player-v3 .v3-sticky-workspace {
  background-color: #0b1220;
}

[data-theme="dark"] .course-player-v3 #v3-current-action-card,
[data-bs-theme="dark"] .course-player-v3 #v3-current-action-card {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
  background: #0f172a;
}

[data-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled),
[data-bs-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) {
  border-color: #60a5fa;
  background: linear-gradient(180deg, #1e3a8a 0%, #172554 100%);
}

[data-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-mainline,
[data-bs-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-mainline {
  background: #0b1220;
  border-color: rgba(96, 165, 250, 0.65);
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.26);
}

[data-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-header,
[data-bs-theme="dark"] .course-player-v3 #v3-current-action-focus-slot:not(.v3-current-action-focus-disabled) .v3-current-action-focus-render .v3-action-header {
  color: #dbeafe;
}

[data-theme="dark"] .course-player-v3 #v3-mobile-inline-audio-host,
[data-bs-theme="dark"] .course-player-v3 #v3-mobile-inline-audio-host {
  border-top-color: rgba(148, 163, 184, 0.45);
}

.course-player-v3 .v3-step-header-row {
  padding: 0.25rem 0.75rem;
}

.course-player-v3 .v3-step-header-row .accordion-button {
  min-width: 0;
  flex: 1 1 auto;
}

.course-player-v3 .v3-step-item.v3-step-item-active {
  border: 2px solid #2563eb;
  border-radius: 0.55rem;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22);
}

.course-player-v3 .v3-step-item.v3-step-item-active .v3-step-header-row .accordion-button {
  background: #dbeafe;
  color: #0b3a75;
  font-weight: 700;
}

.course-player-v3 .v3-step-header-row .v3-step-mark-btn {
  margin-left: 0.35rem;
}

.course-player-v3 .v3-manual-mark-btn {
  width: 1.2rem;
  height: 1.2rem;
  padding: 0;
  border: 1px solid #2563eb;
  border-radius: 999px;
  color: #2563eb;
  background-color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.14s ease, border-color 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}

.course-player-v3 .v3-manual-mark-btn:hover,
.course-player-v3 .v3-manual-mark-btn:focus-visible {
  border-color: #2563eb;
  color: #2563eb;
  background-color: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.course-player-v3 .v3-manual-mark-btn i {
  font-size: 0.66rem;
  line-height: 1;
  color: #2563eb;
}

.course-player-v3 .v3-manual-mark-btn[data-marked="true"] {
  border-color: #2563eb;
  color: #ffffff;
  background-color: #2563eb;
}

.course-player-v3 .v3-manual-mark-btn[data-marked="true"] i {
  color: #ffffff !important;
}

.course-player-v3 .v3-action-row-loaded {
  border-color: #2563eb !important;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.24);
  background-color: rgba(37, 99, 235, 0.06);
}

.course-player-v3 .v3-action-row-selected {
  border-color: #0ea5e9 !important;
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.34);
  background-color: rgba(14, 165, 233, 0.12);
}

.course-player-v3 .v3-action-row-selected .v3-action-mainline {
  background-color: rgba(14, 165, 233, 0.12);
}

[data-theme="dark"] .course-player-v3 .v3-action-row-selected,
[data-bs-theme="dark"] .course-player-v3 .v3-action-row-selected {
  border-color: #22d3ee !important;
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.5);
  background-color: rgba(34, 211, 238, 0.22);
}

[data-theme="dark"] .course-player-v3 .v3-action-row-selected .v3-action-mainline,
[data-bs-theme="dark"] .course-player-v3 .v3-action-row-selected .v3-action-mainline {
  background-color: rgba(34, 211, 238, 0.18);
}

.course-player-v3 .v3-manual-mark-tooltip-host {
  position: relative;
}

.course-player-v3 .v3-manual-mark-tooltip {
  position: absolute;
  right: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(50%);
  background: #111827;
  color: #ffffff;
  border-radius: 0.35rem;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  z-index: 8;
}

.course-player-v3 .v3-manual-mark-tooltip::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border-width: 5px 5px 0 5px;
  border-style: solid;
  border-color: #111827 transparent transparent transparent;
}

.course-player-v3 .v3-action-description {
  margin-top: 0.4rem;
  margin-bottom: 0 !important;
}

.course-player-v3 .v3-action-description-row {
  margin-top: 0.4rem;
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}

.course-player-v3 .v3-action-description-row .v3-action-description {
  margin-top: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.course-player-v3 .v3-action-controls {
  display: flex;
  justify-content: flex-start;
}

.course-player-v3 .v3-action-mainline {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.course-player-v3 .v3-action-mainline .v3-action-header {
  flex: 1 1 0;
  min-width: 0;
  justify-content: flex-start;
  text-align: left;
}

.course-player-v3 .v3-action-mainline .v3-action-controls {
  flex: 0 1 176px;
  justify-content: flex-start;
  max-width: 100%;
}

.course-player-v3 .v3-action-mainline-media {
  align-items: center;
}

.course-player-v3 .v3-action-controls-media {
  justify-content: flex-start;
  flex-direction: column;
  gap: 0.45rem;
}

.course-player-v3 .v3-action-doc-thumb-slot {
  position: relative;
  width: 176px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0.375rem;
  background-color: rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  padding: 0;
  cursor: pointer;
}

.course-player-v3 .v3-action-doc-thumb-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  max-width: none;
}

.course-player-v3 .v3-action-doc-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
}

.course-player-v3 .v3-action-doc-thumb-placeholder i {
  font-size: 2rem;
}

.course-player-v3 .v3-inline-audio-wrap {
  width: 100%;
  max-width: 100%;
  margin-top: 0.55rem;
}

.course-player-v3 .v3-inline-audio-wrap.v3-inline-audio-wrap-expanded {
  width: 100%;
}

.course-player-v3 .v3-inline-audio-player {
  width: 100%;
}

.course-player-v3 .v3-inline-audio-player-shell {
  width: 100%;
  gap: 0;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-frame {
  display: none;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-controls {
  width: 100%;
  opacity: 1;
  pointer-events: auto;
  margin: 0;
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
  background: rgba(0, 0, 0, 0.82);
  color: #ffffff;
  gap: 0.55rem;
  flex-wrap: nowrap;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-controls .cvp-seek {
  flex: 1 1 auto;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell {
  width: 100%;
  gap: 0;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell .custom-video-frame {
  display: none;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell .custom-video-controls {
  width: 100%;
  opacity: 1 !important;
  pointer-events: auto;
  margin: 0;
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
  background: rgba(0, 0, 0, 0.82);
  color: #ffffff;
  gap: 0.55rem;
  flex-wrap: nowrap;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell .custom-video-controls .cvp-seek {
  flex: 1 1 auto;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell .custom-video-controls .cvp-volume {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  margin: 0;
  overflow: hidden;
  transition: width 0.16s ease, opacity 0.16s ease;
}

.course-player-v3 .v3-mobile-inline-audio-player-shell .v3-mobile-inline-audio-expand-btn {
  color: #ffffff;
}

.course-player-v3 #v3-mobile-inline-audio-host.v3-mobile-inline-expanded .v3-mobile-inline-audio-player-shell .custom-video-controls .cvp-volume {
  width: 70px;
  min-width: 70px;
  opacity: 1;
  pointer-events: auto;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-controls .cvp-volume {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  margin: 0;
  overflow: hidden;
  transition: width 0.16s ease, opacity 0.16s ease;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-controls .cvp-time {
  min-width: 2.35rem;
}

.course-player-v3 .v3-inline-audio-player-shell .custom-video-controls input[type="range"] {
  accent-color: #ee6023;
}

.course-player-v3 .v3-inline-audio-player-shell .v3-inline-audio-expand-btn {
  color: #ffffff;
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-wrap {
  width: 100%;
  max-width: 100%;
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls {
  padding: 0.6rem 0.85rem;
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls .cvp-volume {
  width: 0.95rem;
  min-width: 0.95rem;
  height: 4.6rem;
  flex: 0 0 0.95rem;
  margin-left: 0.3rem;
  margin-right: 0.1rem;
  padding: 0;
  opacity: 1;
  pointer-events: auto;
  /* Standards-based vertical range control (replaces deprecated slider-vertical). */
  writing-mode: vertical-lr;
  direction: rtl;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls .cvp-volume::-webkit-slider-runnable-track {
  width: 0.3rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.45);
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls .cvp-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: #ee6023;
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls .cvp-volume::-moz-range-track {
  width: 0.3rem;
  border: none;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.45);
}

.course-player-v3 .v3-action-row-media.v3-inline-expanded .v3-inline-audio-player-shell .custom-video-controls .cvp-volume::-moz-range-thumb {
  width: 0.9rem;
  height: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  background: #ee6023;
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media) {
  width: min(176px, 100%);
  position: relative;
  overflow: hidden;
  border-radius: 0.375rem;
  background-color: rgba(37, 99, 235, 0.08);
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.course-player-v3 .v3-action-controls-bg-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.1rem;
  color: #2563eb;
  opacity: 0.28;
  pointer-events: none;
  z-index: 0;
  transition: filter 0.15s ease, opacity 0.15s ease, transform 0.15s ease;
}

.course-player-v3 .v3-action-controls-bg-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
  transition: filter 0.15s ease, opacity 0.15s ease;
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media) .btn {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: normal;
  line-height: 1.2;
  position: relative;
  z-index: 1;
  background-color: transparent;
}

.course-player-v3 .v3-action-display-asset-wrap,
.course-player-v3 .v3-action-display-asset-placeholder {
  width: 176px;
  aspect-ratio: 16 / 9;
  border-radius: 0.375rem;
  overflow: hidden;
}

.course-player-v3 .v3-action-display-asset-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-player-v3 .v3-action-display-asset-placeholder {
  border: 1px dashed rgba(37, 99, 235, 0.45);
  background-color: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tablet/intermediate widths: hide step description pane, keep full-size action thumbnails. */
@media (min-width: 992px) and (max-width: 1360px) {
  .course-player-v3 .v3-step-item .col-md-6.v3-step-actions-col {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .course-player-v3 .v3-step-item .col-md-6:not(.v3-step-actions-col) {
    display: none;
  }
}

.course-player-v3 .v3-action-display-asset-placeholder i {
  font-size: 1.6rem;
  color: #2563eb;
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover .v3-action-controls-bg-icon,
.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within .v3-action-controls-bg-icon {
  filter: none;
  color: #ffffff;
  opacity: 0.9;
  text-shadow: 0 2px 4px rgba(15, 23, 42, 0.5);
  transform: scale(1.04);
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover .v3-action-controls-bg-thumb,
.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within .v3-action-controls-bg-thumb {
  filter: none;
  opacity: 1;
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover,
.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within {
  background-color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:hover,
.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:focus-within {
  background-color: transparent;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb {
  background-color: transparent;
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb .btn {
  border-color: transparent;
  background-color: transparent;
  cursor: pointer;
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb .btn:disabled {
  opacity: 1;
  cursor: not-allowed;
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:hover .v3-action-controls-bg-thumb,
.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:focus-within .v3-action-controls-bg-thumb {
  filter: brightness(1.08) saturate(1.05);
}

.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:hover,
.course-player-v3 .v3-action-controls.v3-action-controls-has-thumb:focus-within {
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover .btn,
.course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within .btn {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.65);
}

.course-player-v3 .v3-play-overlay-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 999px;
  border: none;
  background: rgba(37, 99, 235, 0.5);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.course-player-v3 .v3-play-overlay-btn i {
  font-size: 1.2rem;
  line-height: 1;
}

.course-player-v3 .v3-play-overlay-btn:hover,
.course-player-v3 .v3-play-overlay-btn:focus {
  background: rgba(29, 78, 216, 0.5);
  color: #ffffff;
}

.course-player-v3 .accordion-button {
  font-weight: 600;
}

.course-player-v3 .v3-lesson-titlebar {
  background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  border-left: 4px solid #1d4ed8;
}

.course-player-v3 .v3-lesson-titlebar:not(.collapsed) {
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.25);
}

.course-player-v3 .v3-lesson-titlebar::after {
  filter: brightness(0) invert(1);
}

.course-player-v3 .list-group-item.active {
  border-left: 3px solid var(--bs-primary);
}

.course-player-v3 .v3-lesson-thumb-slot {
  flex: 0 0 88px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0.375rem;
  background-color: rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-player-v3 .v3-lesson-thumb-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-player-v3 .v3-lesson-row-active {
  background-color: #dbeafe;
  border-left: 4px solid var(--bs-primary);
}

.course-player-v3 .v3-lesson-row-active .text-muted,
.course-player-v3 .v3-lesson-row-active .small,
.course-player-v3 .v3-lesson-row-active .fw-semibold {
  color: #0b3a75 !important;
}

.course-player-v3 .v3-lesson-title-wrap {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  word-break: break-word;
}

.course-player-v3 .v3-lessons-panel-header {
  background-color: #eef4ff;
  color: #334155;
  gap: 0.75rem;
  align-items: flex-start !important;
  border-bottom: 1px solid #d6e3f7;
}

.course-player-v3 .v3-lessons-panel-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.course-player-v3 .v3-lessons-panel-count-badge {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e40af;
  background-color: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(147, 197, 253, 0.55);
  border-radius: 999px;
  padding: 0.24rem 0.56rem;
  line-height: 1.1;
}

.course-player-v3 .v3-lesson-complete-icon {
  color: #2563eb;
}

.course-player-v3 .v3-lesson-lock-icon {
  color: #6b7280;
}

.course-player-v3 .v3-lesson-row-locked {
  cursor: url("/static/img/cursor-key.svg") 7 12, pointer;
  opacity: 0.85;
}

.course-player-v3 #v3-exercise-panel {
  border: 1px solid #dbe4f0 !important;
  background-color: #ffffff;
}

.course-player-v3 #v3-exercise-panel .card-header {
  background-color: #e8f1ff !important;
  color: #0f172a;
  border-bottom: 1px solid #d0dcf0;
}

.course-player-v3 #v3-exercise-panel .card-body {
  background-color: #ffffff;
  color: #1f2937;
}

.course-player-v3 #v3-exercise-panel .list-group-item {
  background-color: #f8fbff;
  border-color: #d9e3f0;
}

.course-player-v3 #v3-exercise-panel-close-btn {
  border-color: #94a3b8;
  color: #334155;
  background-color: #ffffff;
}

.course-player-v3 #v3-exercise-panel-close-btn:hover,
.course-player-v3 #v3-exercise-panel-close-btn:focus {
  border-color: #64748b;
  color: #0f172a;
  background-color: #f1f5f9;
}

[data-theme="dark"] .course-player-v3 .v3-lesson-row-locked,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-row-locked {
  cursor: url("/static/img/cursor-key-dark.svg") 7 12, pointer;
}

/* Light and dark mode compatibility */
[data-theme="dark"] .course-player-v3 .accordion-item,
[data-bs-theme="dark"] .course-player-v3 .accordion-item {
  background-color: #1f2937;
  border-color: #374151;
}

[data-theme="dark"] .course-player-v3 .accordion-button,
[data-bs-theme="dark"] .course-player-v3 .accordion-button {
  background-color: #111827;
  color: #e5e7eb;
}

[data-theme="dark"] .course-player-v3 .v3-lesson-titlebar,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-titlebar {
  background: linear-gradient(90deg, #1d4ed8 0%, #2563eb 100%);
  color: #ffffff;
  border-left-color: #93c5fd;
}

[data-theme="dark"] .course-player-v3 .accordion-body,
[data-bs-theme="dark"] .course-player-v3 .accordion-body {
  color: #d1d5db;
}

[data-theme="dark"] .course-player-v3 .v3-thumb-play-wrap,
[data-bs-theme="dark"] .course-player-v3 .v3-thumb-play-wrap {
  background-color: transparent;
}

[data-theme="dark"] .course-player-v3 .v3-action-doc-thumb-slot,
[data-bs-theme="dark"] .course-player-v3 .v3-action-doc-thumb-slot {
  background-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .course-player-v3 .v3-action-doc-thumb-placeholder,
[data-bs-theme="dark"] .course-player-v3 .v3-action-doc-thumb-placeholder {
  color: #9ec5ff;
}

[data-theme="dark"] .course-player-v3 .v3-action-header i,
[data-bs-theme="dark"] .course-player-v3 .v3-action-header i {
  color: #9ec5ff;
}

[data-theme="dark"] .course-player-v3 .v3-action-controls-bg-icon,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls-bg-icon {
  color: #9ec5ff;
  opacity: 0.32;
}

[data-theme="dark"] .course-player-v3 .v3-action-display-asset-placeholder,
[data-bs-theme="dark"] .course-player-v3 .v3-action-display-asset-placeholder {
  border-color: rgba(158, 197, 255, 0.5);
  background-color: rgba(158, 197, 255, 0.12);
}

[data-theme="dark"] .course-player-v3 .v3-action-display-asset-placeholder i,
[data-bs-theme="dark"] .course-player-v3 .v3-action-display-asset-placeholder i {
  color: #9ec5ff;
}

[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media),
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media) {
  background-color: rgba(158, 197, 255, 0.12);
}

[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover .v3-action-controls-bg-icon,
[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within .v3-action-controls-bg-icon,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover .v3-action-controls-bg-icon,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within .v3-action-controls-bg-icon {
  filter: invert(1);
  opacity: 0.45;
}

[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover,
[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):hover,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media):focus-within {
  background-color: #3b82f6;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

[data-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media) .btn,
[data-bs-theme="dark"] .course-player-v3 .v3-action-controls:not(.v3-action-controls-media) .btn {
  background-color: transparent;
}

[data-theme="dark"] .course-player-v3 .list-group-item,
[data-bs-theme="dark"] .course-player-v3 .list-group-item {
  background-color: #111827;
  color: #e5e7eb;
  border-color: #374151;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel {
  border-color: #334155 !important;
  background-color: #0f172a;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel .card-header,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel .card-header {
  background-color: #1e293b !important;
  color: #e2e8f0;
  border-bottom-color: #334155;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel .card-body,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel .card-body {
  background-color: #0f172a;
  color: #d1d5db;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel .list-group-item,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel .list-group-item {
  background-color: #111827;
  border-color: #334155;
  color: #e5e7eb;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn {
  border-color: #475569;
  color: #cbd5e1;
  background-color: #0f172a;
}

[data-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn:hover,
[data-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn:focus,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn:hover,
[data-bs-theme="dark"] .course-player-v3 #v3-exercise-panel-close-btn:focus {
  border-color: #60a5fa;
  color: #ffffff;
  background-color: #1e293b;
}

[data-theme="dark"] .course-player-v3 .v3-lessons-panel-header,
[data-bs-theme="dark"] .course-player-v3 .v3-lessons-panel-header {
  background-color: #0b1220;
  color: #e5e7eb;
  border-color: #374151;
}

[data-theme="dark"] .course-player-v3 .v3-lessons-panel-count-badge,
[data-bs-theme="dark"] .course-player-v3 .v3-lessons-panel-count-badge {
  color: #bfdbfe;
  background-color: rgba(37, 99, 235, 0.24);
  border-color: rgba(147, 197, 253, 0.4);
}

[data-theme="dark"] .course-player-v3 .v3-lesson-thumb-slot,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-thumb-slot {
  background-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .course-player-v3 .list-group-item.active,
[data-bs-theme="dark"] .course-player-v3 .list-group-item.active {
  background-color: #1e3a5f;
  color: #ffffff;
}

[data-theme="dark"] .course-player-v3 .v3-lesson-row-active,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-row-active {
  background-color: #2c4672;
  border-left: 5px solid #9ec5ff;
  box-shadow: inset 0 0 0 1px rgba(158, 197, 255, 0.45);
}

[data-theme="dark"] .course-player-v3 .v3-lesson-row-active .text-muted,
[data-theme="dark"] .course-player-v3 .v3-lesson-row-active .small,
[data-theme="dark"] .course-player-v3 .v3-lesson-row-active .fw-semibold,
[data-theme="dark"] .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .text-muted,
[data-theme="dark"] .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .small,
[data-theme="dark"] .course-player-v3 .v3-mobile-lesson-row.v3-lesson-row-active .fw-semibold,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-row-active .text-muted,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-row-active .small,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-row-active .fw-semibold {
  color: #ffffff !important;
}

[data-theme="dark"] .course-player-v3 .v3-step-item.v3-step-item-active,
[data-bs-theme="dark"] .course-player-v3 .v3-step-item.v3-step-item-active {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.32);
}

[data-theme="dark"] .course-player-v3 .v3-step-item.v3-step-item-active .v3-step-header-row .accordion-button,
[data-bs-theme="dark"] .course-player-v3 .v3-step-item.v3-step-item-active .v3-step-header-row .accordion-button {
  background: #1e3a8a;
  color: #dbeafe;
}

[data-theme="dark"] .course-player-v3 .v3-lesson-complete-icon,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-complete-icon {
  color: #9ec5ff;
}

[data-theme="dark"] .course-player-v3 .v3-lesson-lock-icon,
[data-bs-theme="dark"] .course-player-v3 .v3-lesson-lock-icon {
  color: #9ca3af;
}