/* ── Course Player ──────────────────────────────── */

.course-player {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  background: var(--theme-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
  min-inline-size: 0;
}

.course-player__header {
  display: grid;
  gap: var(--space-xs);
}

.course-player__title-group {
  display: grid;
  gap: 0.15rem;
}

.course-player__title {
  font-size: clamp(1.35rem, 2.3vw, 1.9rem);
  margin: 0;
}

.course-player__progress-bar {
  block-size: 0.5rem;
  background: var(--theme-surface-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.course-player__progress-fill {
  block-size: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: inline-size 0.3s ease;
}

.course-player__progress-text {
  margin: 0;
  color: var(--theme-muted);
  font-size: var(--text-xs);
}

.course-player__content {
  display: grid;
  gap: var(--space-md);
}

.course-player__module-header {
  display: grid;
  gap: var(--space-xs);
}

.course-player__module-type {
  font-size: var(--text-xs);
  color: var(--theme-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-player__module-title {
  font-size: var(--text-lg);
  margin: 0;
}

.course-player__module-body {
  display: grid;
  gap: var(--space-sm);
}

.course-player__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-block-start: 1px solid var(--theme-border);
  padding-block-start: var(--space-md);
}

/* ── Lesson renderer ───────────────────────────── */

.course-lesson {
  display: grid;
  gap: var(--space-md);
}

.course-lesson__section {
  display: grid;
  gap: var(--space-xs);
}

.course-lesson__heading {
  font-size: var(--text-base);
  margin: 0;
}

.course-lesson__body {
  color: var(--theme-text);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.course-lesson__code-block {
  margin: 0;
  display: grid;
  gap: var(--space-xs);
}

.course-lesson__code-label {
  color: var(--theme-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.course-lesson__code {
  background: #13211a;
  color: #ecf7ef;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, #3c8d5a 30%, var(--theme-border));
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
  overflow-x: auto;
  padding: var(--space-md);
}

.course-lesson__checklist,
.course-review__checklist {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding-inline-start: 1.25rem;
}

.course-lesson__checklist-item,
.course-review__checklist-item {
  color: var(--theme-text);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.course-lesson__callout,
.course-review__callout {
  background: color-mix(in srgb, var(--color-primary) 10%, var(--theme-surface-subtle));
  border: 1px solid color-mix(in srgb, var(--color-primary) 22%, var(--theme-border));
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}

.course-review__callout[data-tone="warning"] {
  background: color-mix(in srgb, #f59e0b 10%, var(--theme-surface-subtle));
  border-color: color-mix(in srgb, #f59e0b 30%, var(--theme-border));
}

.course-review {
  display: grid;
  gap: var(--space-md);
}

.course-review__summary {
  background: var(--theme-surface-subtle);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.course-review__section {
  display: grid;
  gap: var(--space-xs);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.course-review__heading {
  font-size: var(--text-base);
  margin: 0;
}

.course-review__body {
  color: var(--theme-text);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.course-review__code-block {
  margin: 0;
  display: grid;
  gap: var(--space-xs);
}

.course-review__code-label {
  color: var(--theme-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.course-review__code {
  background: #111827;
  color: #eff6ff;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, #4338ca 30%, var(--theme-border));
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
  overflow-x: auto;
  padding: var(--space-md);
}

/* ── Slide renderer ────────────────────────────── */

.course-slide {
  display: grid;
  gap: var(--space-md);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  background: var(--theme-surface-subtle);
  padding: var(--space-lg);
}

.course-slide__heading {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  margin: 0;
  line-height: 1.3;
}

.course-slide__media {
  border-radius: var(--radius-md);
  overflow: hidden;

  & img {
    display: block;
    inline-size: 100%;
    block-size: auto;
    object-fit: cover;
  }
}

.course-slide__content {
  color: var(--theme-text);
  font-size: var(--text-base);
  line-height: 1.7;
}

/* ── Quiz renderer ─────────────────────────────── */

.course-quiz {
  display: grid;
  gap: var(--space-md);
}

.course-quiz__question {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.course-quiz__prompt {
  font-size: var(--text-base);
  font-weight: 600;
}

.course-quiz__number {
  color: var(--theme-muted);
}

.course-quiz__options {
  display: grid;
  gap: var(--space-xs);
}

.course-quiz__option {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);

  &:hover {
    background: var(--theme-surface-subtle);
  }

  & input[type="radio"] {
    margin: 0;
  }
}

.course-quiz__summary {
  background: var(--theme-surface-subtle);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md);
}

.course-quiz__summary-title,
.course-quiz__summary-copy {
  margin: 0;
}

.course-quiz__question--correct {
  border-color: color-mix(in srgb, var(--color-success) 35%, var(--theme-border));
}

.course-quiz__question--incorrect {
  border-color: color-mix(in srgb, var(--color-danger) 35%, var(--theme-border));
}

.course-quiz__review-line,
.course-quiz__review-status {
  font-size: var(--text-sm);
  margin: 0;
}

.course-quiz__review-status[data-state="correct"] {
  color: var(--color-success);
}

.course-quiz__review-status[data-state="incorrect"] {
  color: var(--color-danger);
}

/* ── Flashcard renderer ────────────────────────── */

.course-flashcards {
  display: grid;
  gap: var(--space-md);
}

.course-flashcard {
  display: grid;
  gap: var(--space-sm);
}

.course-flashcard__inner {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-block-size: 12rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  background: var(--theme-surface-subtle);

  &:hover {
    border-color: color-mix(in srgb, var(--color-primary) 36%, var(--theme-border));
  }
}

.course-flashcard__text {
  font-size: var(--text-lg);
  text-align: center;
  margin: 0;
}

.course-flashcard__hint {
  font-size: var(--text-xs);
  color: var(--theme-muted);
  text-align: center;
  margin: 0;
}

.course-flashcard__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
}

.course-flashcards__progress {
  text-align: center;
  color: var(--theme-muted);
  font-size: var(--text-sm);
}

/* ── Problem set renderer ──────────────────────── */

.course-problem-set {
  display: grid;
  gap: var(--space-md);
}

.course-problem {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.course-problem__title {
  font-size: var(--text-base);
  margin: 0;
}

.course-problem__prompt {
  margin: 0;
  font-size: var(--text-sm);
}

.course-problem__step {
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--theme-border);
}

.course-problem__hint summary {
  color: var(--theme-muted);
  font-size: var(--text-xs);
  cursor: pointer;
}

.course-problem__answer {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.course-problem__feedback {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
}

.course-problem__feedback.is-correct {
  color: var(--color-success, #16a34a);
}

.course-problem__feedback.is-incorrect {
  color: var(--color-error, #dc2626);
}

/* ── Scenario renderer ─────────────────────────── */

.course-scenario {
  display: grid;
  gap: var(--space-md);
}

.course-scenario__scene {
  display: grid;
  gap: var(--space-sm);
}

.course-scenario__title {
  font-size: var(--text-base);
  margin: 0;
}

.course-scenario__description {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.course-scenario__choices {
  display: grid;
  gap: var(--space-xs);
}

.course-scenario__choice {
  display: block;
  inline-size: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  background: var(--theme-surface-subtle);
  font-size: var(--text-sm);
  text-align: start;
  cursor: pointer;

  &:hover:not(:disabled) {
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
    border-color: color-mix(in srgb, var(--color-primary) 36%, var(--theme-border));
  }

  &:disabled {
    cursor: default;
    opacity: 0.6;
  }

  &.is-selected {
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 14%, transparent);
    opacity: 1;
  }
}

.course-scenario__summary {
  border-block-start: 1px solid var(--theme-border);
  padding-block-start: var(--space-md);
  text-align: center;
}

/* ── Game renderer ─────────────────────────────── */

.course-game {
  display: grid;
  gap: var(--space-md);
}

.course-game__objective {
  background: var(--theme-surface-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.course-game__round {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-xs);
}

.course-game__round-title {
  font-size: var(--text-base);
  margin: 0;
}

/* ── Gamification widget ───────────────────────── */

.gamification-widget {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  background: var(--theme-surface-subtle);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.gamification-widget__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gamification-widget__title {
  font-size: var(--text-base);
  margin: 0;
}

.gamification-widget__stats {
  display: flex;
  gap: var(--space-md);
}

.gamification-widget__stat {
  text-align: center;
}

.gamification-widget__stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.gamification-widget__stat-label {
  font-size: var(--text-xs);
  color: var(--theme-muted);
}

.gamification-widget__achievements {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.gamification-widget__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--theme-text-subtle);
}

/* ── Leaderboard ───────────────────────────────── */

.leaderboard {
  display: grid;
  gap: var(--space-sm);
}

.leaderboard__views {
  display: inline-flex;
  gap: 0.35rem;
  margin-block-end: var(--space-sm);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-full);
  padding: 0.25rem;
  background: var(--theme-surface-subtle);
}

.leaderboard__view-link {
  border-radius: var(--radius-full);
  padding: 0.35rem 0.8rem;
  font-size: var(--text-xs);
  color: var(--theme-muted);
  text-decoration: none;
  font-weight: 600;
}

.leaderboard__view-link.is-active {
  background: var(--theme-surface);
  color: var(--theme-text);
  box-shadow: var(--shadow-sm);
}

.leaderboard__comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-sm);
  margin-block-end: var(--space-sm);
}

.leaderboard__comparison-card {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  background: var(--theme-surface-subtle);
}

.leaderboard__comparison-label {
  margin: 0;
  color: var(--theme-muted);
  font-size: var(--text-xs);
}

.leaderboard__comparison-value {
  margin: 0.25rem 0 0;
  font-size: var(--text-base);
  font-weight: 700;
}

.leaderboard__snapshot-meta {
  margin-block-end: var(--space-md);
}

.leaderboard__row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  background: var(--theme-surface-subtle);
}

.leaderboard__row.is-current-user {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 36%, var(--theme-border));
}

.leaderboard__rank {
  font-weight: 700;
  font-size: var(--text-base);
  min-inline-size: 2rem;
  text-align: center;
}

.leaderboard__name {
  font-size: var(--text-sm);
}

.leaderboard__name-block {
  flex: 1;
  display: grid;
  gap: 0.1rem;
}

.leaderboard__account {
  font-size: var(--text-xs);
  color: var(--theme-muted);
}

.leaderboard__gold {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* ── Course Completion ────────────────────────── */

.course-completion {
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  background: var(--theme-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-lg);
}

.course-completion__header {
  text-align: center;
  display: grid;
  gap: var(--space-xs);
}

.course-completion__title {
  font-size: clamp(1.35rem, 2.3vw, 1.9rem);
  margin: 0;
}

.course-completion__congrats {
  font-size: var(--text-base);
  color: var(--theme-muted);
  margin: 0;
}

.course-completion__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.course-completion__stat {
  text-align: center;
  display: grid;
  gap: 0.15rem;
}

.course-completion__stat-value {
  font-size: var(--text-xl, 1.5rem);
  font-weight: 700;
  color: var(--color-primary);
}

.course-completion__stat-label {
  font-size: var(--text-xs);
  color: var(--theme-muted);
}

.course-completion__section-title {
  font-size: var(--text-base);
  margin: 0 0 var(--space-sm);
}

.course-completion__badge-list {
  display: grid;
  gap: var(--space-sm);
}

.course-completion__badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
  background: var(--theme-surface-subtle);
}

.course-completion__badge-icon {
  font-size: var(--text-lg);
}

.course-completion__badge-name {
  font-weight: 600;
  font-size: var(--text-sm);
  margin: 0;
}

.course-completion__badge-desc {
  font-size: var(--text-xs);
  color: var(--theme-muted);
  margin: 0;
}

.course-completion__module-list {
  display: grid;
  gap: var(--space-xs);
}

.course-completion__module {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-md);
}

.course-completion__module-pos {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--theme-muted);
  min-inline-size: 1.5rem;
  text-align: center;
}

.course-completion__module-info {
  flex: 1;
}

.course-completion__module-name {
  font-size: var(--text-sm);
  margin: 0;
}

.course-completion__module-type {
  font-size: var(--text-xs);
  color: var(--theme-muted);
  margin: 0;
}

.course-completion__module-score {
  font-weight: 600;
  font-size: var(--text-sm);
}

.course-completion__module-score[data-passed="true"] {
  color: var(--color-success, #16a34a);
}

.course-completion__module-score[data-passed="false"] {
  color: var(--theme-muted);
}

.course-completion__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
}

/* ── My Courses progress ─────────────────────── */

.my-courses__progress {
  display: grid;
  gap: var(--space-xs);
}

.my-courses__progress-bar {
  block-size: 0.4rem;
  background: var(--theme-surface-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.my-courses__progress-fill {
  block-size: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: inline-size 0.3s ease;
}

.my-courses__progress-text {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--theme-muted);
}

.projects-panel__section-heading {
  font-size: var(--text-base);
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--theme-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

@media (max-inline-size: 48rem) {
  .course-player__nav {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .gamification-widget__stats {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .course-completion__stats {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .course-completion__actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
}