.eyebrow {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 1.4px;
}

.step-indicator {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px;
  color: var(--color-text-secondary);
  background: transparent;
  border: 0;
  border-radius: var(--radius-md);
  text-align: left;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.nav-item svg {
  flex-shrink: 0;
}

.nav-item:hover:not(:disabled) {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.nav-item.active {
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  font-weight: 600;
}

.nav-item:disabled {
  opacity: 0.65;
}

.coming-soon {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 10px;
}

.message-icon {
  color: var(--color-primary);
}

.message-icon svg {
  width: 22px;
  height: 22px;
}

.offline-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
}

.input-group {
  margin-bottom: 23px;
}

.input-group label {
  display: block;
  margin-bottom: 10px;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 14px 15px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.input-group input::placeholder,
.input-group textarea::placeholder {
  color: var(--color-text-muted);
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.input-group textarea {
  min-height: 190px;
  resize: vertical;
  line-height: 1.7;
}

.textarea-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.textarea-heading label {
  margin-bottom: 10px;
}

#wordCount {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.import-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.button svg {
  width: 18px;
  height: 18px;
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  color: white;
  background: var(--color-primary);
}

.button-primary:hover {
  background: var(--color-primary-dark);
}

.button-secondary {
  color: var(--color-text);
  background: white;
  border-color: var(--color-border-strong);
}

.button-secondary:hover {
  background: var(--color-surface-soft);
}

.upload-button {
  cursor: pointer;
}

.form-message {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--color-danger);
  font-size: var(--font-size-sm);
}

.sample-heading span {
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}

.sample-card {
  display: flex;
  align-items: center;
  gap: 15px;
  width: 100%;
  padding: 17px;
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.sample-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.sample-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 43px;
  height: 43px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
}

.sample-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.sample-copy strong {
  font-size: var(--font-size-sm);
}

.sample-copy span {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  line-height: 1.5;
}

.sample-arrow {
  flex-shrink: 0;
  margin-left: auto;
  color: var(--color-text-muted);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.icon-button:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.font-control-small {
  font-size: 13px;
}

.font-control-large {
  font-size: 15px;
  font-weight: 700;
}

.reading-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.reading-category {
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 1px;
}

.reader-bottom-note svg {
  color: var(--color-primary);
}

.focus-mode .sidebar,
.focus-mode .topbar,
.focus-mode .page-heading,
.focus-mode .reader-toolbar,
.focus-mode .reader-bottom-note {
  display: none;
}

.focus-mode .main-area {
  margin-left: 0;
}

.focus-mode .page-content {
  width: min(100%, 950px);
  padding-top: 50px;
}

.focus-mode .reading-card {
  padding-top: 65px;
  padding-bottom: 65px;
}

/* =========================================
   READ EASE — REVISION DASHBOARD
========================================= */

.revision-dashboard {
  width: 100%;
  min-width: 0;
}

.revision-dashboard__inner {
  width: min(100%, 1050px);
  margin-inline: auto;
  padding: 32px;
}

.revision-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.revision-eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary, #39745f);
}

.revision-heading {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.revision-subtitle,
.revision-section-description {
  color: var(--color-text-muted, #69736e);
  line-height: 1.6;
}

.revision-refresh-button,
.revision-exit-button {
  padding: 10px 16px;
  border: 1px solid var(--color-border, #dce4df);
  border-radius: 10px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #25352d);
  cursor: pointer;
}

.revision-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.revision-stat-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 14px;
  background: var(--color-surface, #fff);
}

.revision-stat-card__label,
.revision-stat-card__description {
  margin: 0;
  color: var(--color-text-muted, #69736e);
  font-size: 0.85rem;
}

.revision-stat-card__value {
  margin: 12px 0 6px;
  font-size: 1.8rem;
  font-weight: 750;
}

.revision-main {
  margin-bottom: 36px;
}

.revision-intro,
.revision-empty-state,
.revision-complete {
  padding: 32px;
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 18px;
  background: var(--color-surface, #fff);
}

.revision-section-heading {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.revision-start-button,
.revision-reveal-button {
  min-height: 46px;
  padding: 12px 22px;
  border: 0;
  border-radius: 10px;
  background: var(--color-primary, #39745f);
  color: white;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.revision-start-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.revision-empty-state,
.revision-complete {
  text-align: center;
}

.revision-empty-state__icon,
.revision-complete__icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary-light, #e8f2ec);
  color: var(--color-primary, #39745f);
  font-size: 1.7rem;
}

.revision-empty-state__title,
.revision-complete__title {
  margin: 0 0 10px;
}

.revision-empty-state__description,
.revision-complete__description {
  max-width: 520px;
  margin: 0 auto 22px;
  color: var(--color-text-muted, #69736e);
  line-height: 1.7;
}

.revision-card-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.revision-library-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 12px;
  background: var(--color-surface, #fff);
}

.revision-library-card__content {
  min-width: 0;
}

.revision-library-card__question {
  margin: 0 0 10px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.revision-library-card__type,
.revision-library-card__date {
  display: inline-block;
  margin-right: 12px;
  color: var(--color-text-muted, #69736e);
  font-size: 0.8rem;
}

.revision-delete-button {
  padding: 8px 12px;
  border: 1px solid var(--color-border, #e1e8df);
  border-radius: 8px;
  background: transparent;
  color: #a33e3e;
  cursor: pointer;
}

.revision-progress {
  margin-bottom: 22px;
}

.revision-progress__text {
  margin: 0 0 10px;
  color: var(--color-text-muted, #69736e);
  font-size: 0.9rem;
}

.revision-progress__track {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--color-border, #e1e8e3);
}

.revision-progress__bar {
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary, #39745f);
  transition: width 200ms ease;
}

.revision-review-card {
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 18px;
  background: var(--color-surface, #fff);
}

.revision-review-card__type {
  color: var(--color-primary, #39745f);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.revision-review-card__question {
  margin: 20px 0 30px;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.revision-answer-panel {
  padding: 22px;
  border-radius: 12px;
  background: var(--color-background, #f5f8f5);
}

.revision-answer-panel__heading {
  margin: 0 0 10px;
  font-size: 1rem;
}

.revision-answer-panel__text,
.revision-answer-panel__explanation,
.revision-source__text {
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.revision-source {
  margin-top: 16px;
}

.revision-source summary {
  cursor: pointer;
  font-weight: 600;
}

.revision-rating {
  margin-top: 26px;
}

.revision-rating__heading {
  margin-bottom: 14px;
  font-size: 1rem;
}

.revision-rating__buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.revision-rating__button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-height: 62px;
  padding: 12px 8px;
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 10px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #25352d);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.revision-rating__description {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-muted, #69736e);
}

.revision-rating__button:hover,
.revision-refresh-button:hover,
.revision-delete-button:hover {
  border-color: var(--color-primary, #39745f);
}

.revision-exit-button {
  margin-top: 22px;
}

.revision-live-region {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.revision-dashboard button:focus-visible {
  outline: 3px solid var(--color-primary, #39745f);
  outline-offset: 3px;
}

/* =========================================
   FLASHCARD COLLECTION GROUPS
========================================= */

.revision-group-grid {
  display: grid;
  grid-template-columns: repeat(
    auto-fit,
    minmax(min(100%, 250px), 1fr)
  );
  gap: 16px;
  margin-top: 20px;
}

.revision-group-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--color-border, #e1e8e3);
  border-radius: 16px;
  background: var(--color-surface, #fff);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.revision-group-card:hover {
  border-color: var(--color-primary, #6257d9);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.revision-group-card__title {
  margin: 0;
  color: var(--color-text, #202238);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.revision-group-card__type {
  display: inline-flex;
  align-self: flex-start;
  margin-top: 10px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--color-primary-soft, #eeecff);
  color: var(--color-primary-dark, #5045c5);
  font-size: 0.72rem;
  font-weight: 700;
}

.revision-group-card__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0;
}

.revision-group-card__count,
.revision-group-card__due,
.revision-group-card__mastered {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  color: var(--color-text-muted, #69736e);
  font-size: 0.75rem;
  line-height: 1.4;
}

.revision-group-card__count strong,
.revision-group-card__due strong,
.revision-group-card__mastered strong {
  color: var(--color-text, #202238);
  font-size: 1.15rem;
  font-weight: 750;
}

.revision-group-card__due strong {
  color: var(--color-primary, #6257d9);
}

.revision-group-card__mastered strong {
  color: var(--color-success, #27845c);
}

.revision-group-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: auto;
}

.revision-group-open-button,
.revision-group-review-button,
.revision-back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid var(--color-border-strong, #dce0eb);
  border-radius: var(--radius-md, 10px);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 650;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.revision-group-open-button {
  flex: 1;
  color: var(--color-text, #202238);
  background: var(--color-surface, #fff);
}

.revision-group-open-button:hover,
.revision-back-button:hover {
  border-color: var(--color-primary, #6257d9);
  color: var(--color-primary-dark, #5045c5);
  background: var(--color-primary-soft, #eeecff);
}

.revision-group-review-button {
  flex: 1;
  color: #fff;
  background: var(--color-primary, #6257d9);
  border-color: var(--color-primary, #6257d9);
}

.revision-group-review-button:hover {
  background: var(--color-primary-dark, #5045c5);
  border-color: var(--color-primary-dark, #5045c5);
}

.revision-back-button {
  margin-bottom: 18px;
  color: var(--color-text, #202238);
  background: var(--color-surface, #fff);
}

/* =========================================
   RESPONSIVE REVISION DASHBOARD
========================================= */

@media (max-width: 760px) {
  .revision-dashboard__inner {
    padding: 20px;
  }

  .revision-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .revision-rating__buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .revision-dashboard__inner {
    padding: 14px;
  }

  .revision-header {
    flex-direction: column;
  }

  .revision-stat-card {
    padding: 14px;
  }

  .revision-library-card {
    align-items: flex-start;
  }

  .revision-intro,
  .revision-empty-state,
  .revision-complete {
    padding: 22px;
  }

  .revision-group-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .revision-group-card {
    padding: 16px;
  }

  .revision-group-card__stats {
    margin: 15px 0;
  }

  .revision-group-card__actions {
    flex-direction: column;
  }

  .revision-group-open-button,
  .revision-group-review-button {
    width: 100%;
  }
}

/* =========================================
   REDUCED MOTION
========================================= */

@media (prefers-reduced-motion: reduce) {
  .revision-progress__bar,
  .revision-group-card,
  .revision-group-open-button,
  .revision-group-review-button,
  .revision-back-button {
    transition: none;
  }

  .revision-group-card:hover {
    transform: none;
  }
}