/* Learning Companion — section + lesson workspace */

.lc-view-host {
  display: block;
  width: 100%;
}

.lc-view {
  width: min(100%, calc(var(--space-unit) * 230));
  margin: 0 auto;
  padding: var(--space-8) var(--space-10) var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.lc-view__topbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 800;
}

.lc-view__crumb {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lc-back-button {
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-4);
}

/* ---------- Benji ---------- */

.lc-benji {
  width: calc(var(--space-unit) * 12);
  height: calc(var(--space-unit) * 12);
  flex-shrink: 0;
  border-radius: var(--radius-2xl);
}

.lc-benji--sm {
  width: calc(var(--space-unit) * 9);
  height: calc(var(--space-unit) * 9);
}

.lc-benji--lg {
  width: calc(var(--space-unit) * 16);
  height: calc(var(--space-unit) * 16);
}

.lc-benji--thinking {
  transform-origin: 50% 60%;
  animation: benji-thinking-float 2.2s ease-in-out infinite;
}

.lc-benji-speech {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-card);
  background: var(--color-surface-panel);
  border: var(--border-width-soft) solid var(--color-border-soft);
}

.lc-benji-speech__copy {
  min-width: 0;
}

.lc-benji-speech__name {
  color: var(--color-primary-600);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.lc-benji-speech__text {
  margin-top: 2px;
  color: var(--color-text-strong);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

/* ---------- Active thinking states ---------- */

.lc-thinking-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  min-height: calc(var(--space-unit) * 52);
  padding: var(--space-10) var(--space-6) var(--space-8);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 240, 236, 0.72), rgba(255, 255, 255, 0.96)),
    var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
  text-align: center;
}

.lc-thinking-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255, 138, 101, 0.13), transparent);
  transform: translateX(-100%);
  animation: thinking-sheen 2.8s ease-in-out infinite;
  pointer-events: none;
}

.lc-thinking-panel--compact {
  min-height: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
}

.lc-thinking-panel__avatar {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.lc-thinking-panel__spark {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-warning-400);
  box-shadow: 0 0 0 5px rgba(255, 210, 52, 0.2);
  animation: thinking-spark 1.8s ease-in-out infinite;
}

.lc-thinking-panel__spark--one {
  top: -2px;
  right: -4px;
}

.lc-thinking-panel__spark--two {
  bottom: 8px;
  left: -6px;
  width: 7px;
  height: 7px;
  animation-delay: 0.7s;
}

.lc-thinking-panel__copy {
  position: relative;
  z-index: 1;
  width: min(100%, calc(var(--space-unit) * 110));
}

.lc-thinking-panel__title {
  color: var(--color-text-strong);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.25;
}

.lc-thinking-steps {
  --thinking-step-height: 24px;
  position: relative;
  height: var(--thinking-step-height);
  margin-top: var(--space-2);
  overflow: hidden;
  color: var(--color-primary-600);
  font-size: 14px;
  font-weight: 900;
  line-height: var(--thinking-step-height);
}

.lc-thinking-steps__track {
  --step-count: 4;
  display: flex;
  flex-direction: column;
  animation: thinking-step-track calc(var(--step-count) * 3.5s) steps(var(--step-count)) infinite;
}

.lc-thinking-steps__item {
  display: block;
  height: var(--thinking-step-height);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lc-thinking-panel__detail {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.lc-thinking-panel__bar,
.lc-thinking-inline__bar {
  position: relative;
  z-index: 1;
  width: min(100%, calc(var(--space-unit) * 120));
  height: 8px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-primary-050);
}

.lc-thinking-panel--compact .lc-thinking-panel__bar {
  grid-column: 1 / -1;
  width: 100%;
}

.lc-thinking-panel__bar span,
.lc-thinking-inline__bar span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-warning-400), var(--color-primary-500));
  animation: thinking-bar 1.35s ease-in-out infinite;
}

.lc-thinking-inline {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2) var(--space-3);
  align-items: center;
  width: min(100%, calc(var(--space-unit) * 100));
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: var(--border-width-soft) solid var(--color-primary-200);
  border-radius: var(--radius-card);
  background: var(--color-primary-050);
  text-align: left;
}

.lc-thinking-inline__dot {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-500);
  box-shadow: 0 0 0 0 rgba(91, 74, 173, 0.25);
  animation: thinking-dot 1.3s ease-in-out infinite;
}

.lc-thinking-inline__copy {
  min-width: 0;
}

.lc-thinking-inline__label {
  color: var(--color-text-strong);
  font-size: 12px;
  font-weight: 900;
}

.lc-thinking-steps--inline {
  --thinking-step-height: 18px;
  margin-top: 0;
  color: var(--color-text-muted);
  font-size: 12px;
}

.lc-thinking-inline__bar {
  grid-column: 1 / -1;
  width: 100%;
  height: 5px;
}

@keyframes benji-thinking-float {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateY(-5px) rotate(1deg);
  }
}

@keyframes thinking-sheen {
  0% {
    transform: translateX(-100%);
  }
  45%,
  100% {
    transform: translateX(100%);
  }
}

@keyframes thinking-spark {
  0%,
  100% {
    transform: scale(0.75);
    opacity: 0.45;
  }
  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

@keyframes thinking-step-track {
  to {
    transform: translateY(calc(var(--step-count) * var(--thinking-step-height) * -1));
  }
}

@keyframes thinking-bar {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(250%);
  }
}

@keyframes thinking-dot {
  0%,
  100% {
    transform: scale(0.75);
    box-shadow: 0 0 0 0 rgba(91, 74, 173, 0.25);
  }
  50% {
    transform: scale(1);
    box-shadow: 0 0 0 7px rgba(91, 74, 173, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lc-benji--thinking,
  .lc-thinking-panel::before,
  .lc-thinking-panel__spark,
  .lc-thinking-steps__track,
  .lc-thinking-panel__bar span,
  .lc-thinking-inline__bar span,
  .lc-thinking-inline__dot {
    animation: none;
  }
}

.onboarding-host {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
}

.onboarding-overlay,
.onboarding-overlay__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.onboarding-overlay__scrim {
  background: rgba(30, 10, 60, 0.5);
  backdrop-filter: blur(1px);
}

.is-onboarding-target {
  position: relative;
  z-index: 95 !important;
}

.onboarding-target-halo {
  position: fixed;
  left: var(--onboarding-target-left);
  top: var(--onboarding-target-top);
  width: var(--onboarding-target-width);
  height: var(--onboarding-target-height);
  z-index: 90;
  border-radius: var(--radius-xl);
  box-shadow:
    0 0 0 5px rgba(255, 255, 255, 0.96),
    0 0 0 10px rgba(255, 99, 71, 0.78),
    0 16px 44px rgba(30, 10, 60, 0.3);
  pointer-events: none;
}

.onboarding-modal {
  position: fixed;
  left: var(--onboarding-left);
  top: var(--onboarding-top);
  width: var(--onboarding-width);
  z-index: 100;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-4);
  border: var(--border-width-strong) solid var(--color-primary-200);
  border-radius: var(--radius-xl);
  background: var(--color-surface-card);
  box-shadow: 0 24px 70px rgba(30, 10, 60, 0.28);
  text-align: left;
  pointer-events: auto;
}

.onboarding-modal::after {
  content: "";
  position: absolute;
  left: var(--onboarding-arrow-left);
  width: 18px;
  height: 18px;
  background: var(--color-surface-card);
  border: var(--border-width-strong) solid var(--color-primary-200);
  transform: translateX(-50%) rotate(45deg);
}

.onboarding-modal--below::after {
  top: -10px;
  border-right: 0;
  border-bottom: 0;
}

.onboarding-modal--above::after {
  bottom: -10px;
  border-left: 0;
  border-top: 0;
}

.onboarding-modal__copy {
  min-width: 0;
}

.onboarding-modal__kicker {
  color: var(--color-primary-600);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.onboarding-modal__text {
  margin-top: var(--space-1);
  color: var(--color-text-strong);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.35;
}

.onboarding-modal__hint {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
}

.onboarding-modal__skip {
  grid-column: 1 / -1;
  justify-self: end;
  padding: var(--space-1) 0;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ---------- Section view ---------- */

.lc-view--section {
  gap: var(--space-6);
}

.lc-section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
}

.lc-section-header__kicker {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.lc-section-header__title {
  margin-top: var(--space-1);
  color: var(--color-text-strong);
  font-size: 26px;
  font-weight: 900;
  line-height: 1.2;
}

.lc-section-header__summary {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.lc-section-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.lc-section-header__status {
  color: var(--color-primary-500);
  font-size: 11px;
  font-weight: 800;
}

.lc-lesson-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lc-lesson-row {
  display: grid;
  grid-template-columns: calc(var(--space-unit) * 9) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-base), transform var(--transition-fast);
}

.lc-lesson-row:hover {
  border-color: var(--color-primary-300);
  transform: translateY(-1px);
}

.lc-lesson-row--mastered {
  background: var(--color-success-050);
  border-color: var(--color-success-200);
}

.lc-lesson-row--in_progress {
  border-color: var(--color-primary-400);
}

.lc-lesson-row__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--space-unit) * 9);
  height: calc(var(--space-unit) * 9);
  border-radius: var(--radius-pill);
  background: var(--color-surface-soft);
  color: var(--color-primary-700);
  font-size: 14px;
  font-weight: 900;
}

.lc-lesson-row--mastered .lc-lesson-row__index {
  background: var(--color-success-500);
  color: var(--color-surface-card);
}

.lc-lesson-row__title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.lc-lesson-row__title {
  color: var(--color-text-strong);
  font-size: 15px;
  font-weight: 900;
}

.lc-lesson-row__description {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.lc-concept-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.lc-concept-chip {
  padding: 2px 10px;
  background: var(--color-lavender-050);
  color: var(--color-lavender-500);
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 800;
}

.lc-lesson-row__side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.lc-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.lc-status-badge--planned {
  background: var(--color-info-050);
  color: var(--color-info-500);
}

.lc-status-badge--ready {
  background: var(--color-primary-050);
  color: var(--color-primary-700);
}

.lc-status-badge--in-progress {
  background: var(--color-lavender-050);
  color: var(--color-lavender-500);
}

.lc-status-badge--needs-review {
  background: var(--color-warning-050);
  color: var(--color-warning-700);
}

.lc-status-badge--mastered {
  background: var(--color-success-050);
  color: var(--color-success-700);
}

.lc-section-empty {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6);
  background: var(--color-surface-card);
  border: var(--border-width-soft) dashed var(--color-primary-300);
  border-radius: var(--radius-xl);
}

.lc-section-empty__copy {
  flex: 1;
  min-width: 0;
}

.lc-section-empty__title {
  color: var(--color-text-strong);
  font-size: 16px;
  font-weight: 900;
}

.lc-section-empty__hint {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
}

/* ---------- Mastery ring ---------- */

.lc-mastery-ring {
  --mastery: 0%;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: conic-gradient(var(--color-primary-500) var(--mastery), var(--color-primary-050) 0);
  flex-shrink: 0;
}

.lc-mastery-ring::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--color-surface-card);
  border-radius: 50%;
}

.lc-mastery-ring__value {
  position: relative;
  z-index: 1;
  color: var(--color-primary-700);
  font-size: 11px;
  font-weight: 900;
}

/* ---------- Lesson workspace ---------- */

.lc-view--lesson {
  --lesson-action-bar-clearance: calc(var(--space-unit) * 22);
  padding-bottom: var(--lesson-action-bar-clearance);
}

.lc-lesson-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
}

.lc-lesson-header__kicker {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.lc-lesson-header__title {
  margin-top: var(--space-1);
  color: var(--color-text-strong);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.2;
}

.lc-progress-dots {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.lc-progress-dots__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-050);
}

.lc-progress-dots__dot.is-done {
  background: var(--color-primary-500);
}

.lc-progress-dots__dot.is-feedback {
  background: var(--color-success-500);
}

.lc-lesson-body {
  padding-top: var(--space-2);
}

.lc-card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lc-lesson-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-6);
  text-align: center;
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
}

.lc-lesson-gate__title {
  color: var(--color-text-strong);
  font-size: 18px;
  font-weight: 900;
}

.lc-lesson-gate__hint {
  max-width: calc(var(--space-unit) * 110);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- Cards ---------- */

.lc-card {
  position: relative;
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.lc-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.lc-card__kicker {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.lc-card__benji {
  width: calc(var(--space-unit) * 9);
  height: calc(var(--space-unit) * 9);
}

.lc-card__body {
  color: var(--color-text-strong);
  font-size: 15px;
  line-height: 1.7;
}

.lc-prose p {
  margin-bottom: var(--space-3);
}

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

.lc-prose strong {
  color: var(--color-primary-700);
}

.lc-prose h3,
.lc-prose h4 {
  margin: var(--space-3) 0 var(--space-1);
  font-size: 16px;
  font-weight: 900;
}

.lc-card--explanation {
  background: var(--color-primary-050);
  border-color: var(--color-primary-200);
}

.lc-card--example {
  background: var(--color-lavender-050);
  border-color: var(--color-lavender-100);
}

.lc-card--quick-check {
  background: var(--color-surface-card);
  border-color: var(--color-primary-400);
}

.lc-quick-check__prompt {
  margin-bottom: var(--space-3);
  color: var(--color-text-strong);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}

.lc-quick-check__input {
  min-height: calc(var(--space-unit) * 30);
  margin-bottom: var(--space-3);
}

.lc-quick-check__submit {
  width: 100%;
}

.lc-card--quiz {
  display: flex;
  flex-direction: column;
  max-height: calc(100dvh - var(--lesson-action-bar-clearance) - var(--space-24));
  min-height: 0;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  border-color: var(--color-success-500);
}

.lc-card--quiz .lc-card__header {
  flex: 0 0 auto;
  margin-bottom: var(--space-2);
}

.lc-card--quiz .lc-card__body {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.lc-card--quiz .lc-quick-check__prompt {
  flex: 0 0 auto;
  margin-bottom: var(--space-2);
  line-height: 1.45;
}

.lc-quiz-options {
  display: grid;
  flex: 1 1 auto;
  gap: var(--space-2);
  min-height: 0;
  margin-bottom: var(--space-3);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 2px;
  scrollbar-gutter: stable;
}

.lc-quiz-choice {
  display: flex;
  width: 100%;
  min-height: calc(var(--space-unit) * 10);
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-2) var(--space-4);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-md);
  background: var(--color-surface-card);
  color: var(--color-text-strong);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.lc-quiz-choice:hover,
.lc-quiz-choice.is-selected {
  border-color: var(--color-success-500);
  background: var(--color-success-050);
}

.lc-quiz-choice:disabled {
  cursor: default;
  opacity: 0.82;
}

.lc-order-list {
  display: grid;
  flex: 1 1 auto;
  gap: var(--space-2);
  min-height: 0;
  margin: 0 0 var(--space-3);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0;
  padding-right: 2px;
  list-style: none;
  scrollbar-gutter: stable;
}

.lc-order-row {
  display: grid;
  grid-template-columns: calc(var(--space-unit) * 15) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
  min-height: calc(var(--space-unit) * 13);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-2);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-md);
  background: var(--color-surface-card);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.lc-order-row.is-dragging {
  border-color: var(--color-success-500);
  box-shadow: 0 10px 28px rgba(30, 10, 60, 0.14);
  transform: scale(1.01);
}

.lc-order-row.is-disabled {
  opacity: 0.82;
}

.lc-order-list.is-dragging {
  cursor: grabbing;
}

.lc-order-row__handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  width: calc(var(--space-unit) * 15);
  height: calc(var(--space-unit) * 10);
  border: var(--border-width-soft) solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
  cursor: grab;
  touch-action: none;
}

.lc-order-row__handle:active {
  cursor: grabbing;
}

.lc-order-row__handle:focus-visible {
  border-color: var(--color-border-focus);
  outline: none;
}

.lc-order-row__handle:disabled {
  cursor: default;
  opacity: 0.45;
}

.lc-order-row__grip {
  width: 10px;
  height: 16px;
  background-image:
    radial-gradient(circle, currentColor 1.25px, transparent 1.35px),
    radial-gradient(circle, currentColor 1.25px, transparent 1.35px);
  background-position: 1px 1px, 6px 1px;
  background-size: 5px 6px;
  opacity: 0.72;
}

.lc-order-row__index {
  display: inline-grid;
  width: calc(var(--space-unit) * 5.5);
  height: calc(var(--space-unit) * 5.5);
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-lavender-050);
  color: var(--color-lavender-500);
  font-size: 12px;
  font-weight: 900;
}

.lc-order-row__label {
  min-width: 0;
  color: var(--color-text-strong);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.lc-checkpoint-progress {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 800;
}

.lc-checkpoint-badge {
  display: flex;
  justify-content: flex-end;
}

/* ---------- Feedback ---------- */

.lc-card--feedback {
  border-width: 2px;
}

.lc-card--feedback.is-correct {
  background: var(--color-success-050);
  border-color: var(--color-success-500);
}

.lc-card--feedback.is-incorrect {
  background: #fff8f5;
  border-color: var(--color-primary-500);
}

.lc-feedback__chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.lc-feedback__score,
.lc-feedback__verdict {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  background: var(--color-surface-card);
  color: var(--color-text-strong);
}

.lc-card--feedback.is-correct .lc-feedback__verdict {
  background: var(--color-success-500);
  color: var(--color-surface-card);
}

.lc-card--feedback.is-incorrect .lc-feedback__verdict {
  background: var(--color-primary-600);
  color: var(--color-surface-card);
}

.lc-next-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.lc-next-chip--continue,
.lc-next-chip--checkpoint {
  background: var(--color-success-050);
  color: var(--color-success-700);
}

.lc-next-chip--practice,
.lc-next-chip--remediation {
  background: var(--color-warning-050);
  color: var(--color-warning-700);
}

.lc-next-chip--complete {
  background: var(--color-lavender-050);
  color: var(--color-lavender-500);
}

.lc-feedback__text {
  margin-top: var(--space-2);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.lc-feedback__evidence {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-primary-500);
  font-style: italic;
  font-size: 13px;
  color: var(--color-text-muted);
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-sm);
}

.lc-feedback__weak-points {
  margin-top: var(--space-2);
  padding-left: var(--space-5);
  font-size: 13px;
  color: var(--color-text-strong);
}

.lc-feedback__weak-point {
  margin-bottom: var(--space-1);
}

.lc-feedback__cue {
  margin-top: var(--space-3);
  color: var(--color-primary-700);
  font-size: 13px;
  font-weight: 800;
}

.lc-credit-receipt {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.lc-quiz-help {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-width-soft) solid var(--color-border-card);
}

.lc-quiz-help__button {
  width: 100%;
}

.lc-quiz-help__title {
  color: var(--color-text-strong);
  font-size: 13px;
  font-weight: 900;
}

.lc-quiz-help__text {
  margin: var(--space-1) 0 0;
  color: var(--color-text-strong);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
}

/* ---------- Quick-check criteria & attempt cap ---------- */

.lc-criteria {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-050, #f6f3ff);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-md, 12px);
}

.lc-criteria__summary {
  cursor: pointer;
  color: var(--color-primary-700);
  font-size: 13px;
  font-weight: 800;
}

.lc-criteria__list {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
  font-size: 13px;
}

.lc-criteria__list li {
  margin-bottom: var(--space-1);
}

.lc-criteria__hint {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  font-style: italic;
}

.lc-attempt-cap {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-050, #f6f3ff);
  border: var(--border-width-soft) solid var(--color-border-card);
  border-radius: var(--radius-md, 12px);
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ---------- Next-section nav ---------- */

.lc-section-next {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
}

/* ---------- Action bar ---------- */

.lc-action-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 255, 255, 0.96);
  border-top: var(--border-width-soft) solid var(--color-border-card);
  backdrop-filter: blur(12px);
}

/* The main lesson bar collapses its three former rows (primary / hint /
   teasers) into a single horizontal strip: teasers left, forward nav right. */
.lc-action-bar--lesson {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.app-shell .lc-action-bar {
  left: var(--sidebar-width);
}

.lc-action-bar__primary-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.lc-action-bar--lesson .lc-action-bar__primary-slot {
  justify-content: flex-end;
  flex-shrink: 0;
}

.lc-action-bar__skip {
  font-size: 13px;
  padding: var(--space-2) var(--space-4);
}

.lc-action-bar__primary {
  min-width: calc(var(--space-unit) * 50);
  padding: var(--space-3) var(--space-6);
  font-size: 14px;
}

.lc-action-bar__secondaries {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.lc-action-bar--lesson .lc-action-bar__secondaries {
  justify-content: flex-start;
  flex: 1 1 auto;
  min-width: 0;
}

.lc-action-bar__secondary {
  font-size: 11px;
  padding: var(--space-1) var(--space-3);
}

.lc-action-bar__confused {
  color: var(--color-text-muted);
  font-size: 11px;
  font-style: italic;
}

/* ---------- Coming-soon sheet ---------- */

.lc-coming-soon-host {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(30, 10, 60, 0.35);
  padding: var(--space-6);
}

.lc-coming-soon-sheet {
  width: min(100%, calc(var(--space-unit) * 110));
  margin-bottom: calc(var(--space-unit) * 30);
  background: var(--color-surface-card);
  border: var(--border-width-soft) solid var(--color-primary-300);
  border-radius: var(--radius-xl);
  box-shadow: 0 var(--space-3) 0 var(--color-primary-800);
}

.lc-coming-soon-sheet__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
}

.lc-coming-soon-sheet__copy {
  flex: 1;
  min-width: 0;
}

.lc-coming-soon-sheet__title {
  color: var(--color-primary-700);
  font-size: 14px;
  font-weight: 900;
}

.lc-coming-soon-sheet__text {
  margin-top: var(--space-1);
  color: var(--color-text-strong);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- Inline error ---------- */

.lc-view-host .inline-error {
  margin: var(--space-6) auto;
  max-width: calc(var(--space-unit) * 140);
}

/* ---------- Friendly Benji error panel ---------- */

.benji-error {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  max-width: calc(var(--space-unit) * 150);
  margin: var(--space-10) auto;
  padding: var(--space-6);
  border: var(--border-width-soft) solid var(--color-primary-200);
  border-radius: var(--radius-3xl);
  background: var(--color-primary-050);
  box-shadow: var(--shadow-primary);
  text-align: left;
}

.benji-error__avatar {
  flex-shrink: 0;
}

.benji-error__body {
  min-width: 0;
}

.benji-error__badge {
  display: inline-block;
  margin-bottom: var(--space-2);
  padding: calc(var(--space-unit) * 0.75) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-primary-600);
  color: var(--color-surface-card);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.benji-error__title {
  margin: 0;
  color: var(--color-primary-800);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.25;
}

.benji-error__text {
  margin: var(--space-2) 0 0;
  max-width: calc(var(--space-unit) * 105);
  color: var(--color-primary-800);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.benji-error__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.benji-error__cta,
.benji-error__retry {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

@media (max-width: 560px) {
  .benji-error {
    flex-direction: column;
    align-items: center;
    padding: var(--space-5);
    text-align: center;
  }

  .benji-error__actions {
    justify-content: center;
  }

  .benji-error__text {
    margin-left: auto;
    margin-right: auto;
  }
}