/**
 * reading.css
 * Styles for the Reading learning mode.
 * Depends on: variables.css, components.css
 * Note: .word-token is defined in video.css and shared here.
 */

/* ═══════════════════════════════════════════════════════════════════════════
   READING INPUT FORM
   Shown before content is loaded — user pastes a URL or raw text.
   ═══════════════════════════════════════════════════════════════════════════ */

.reading-input-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-md);
}

/** Form heading */
.reading-input-form__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/** Helper text below the title */
.reading-input-form__sub {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-top: calc(var(--space-xs) * -1);
}

/** "or" separator between URL input and text area */
.reading-input-form__separator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
}

.reading-input-form__separator::before,
.reading-input-form__separator::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════════════════════
   ARTICLE CONTAINER
   Wrapper for the processed, tokenised article content.
   ═══════════════════════════════════════════════════════════════════════════ */

.article-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/** Article header with title and source badge */
.article-header {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.article-header__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.35;
}

/** Source URL / domain label */
.article-header__source {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

/** Reading progress bar at the top of the article */
.reading-progress {
  height: 2px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.reading-progress__fill {
  height: 100%;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  width: 0%;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PARAGRAPH
   Each processed paragraph from the article.
   ═══════════════════════════════════════════════════════════════════════════ */

.paragraph {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-primary);
  /* Wrap long words (URLs, no-break sequences) */
  overflow-wrap: break-word;
  word-break: break-word;
}

/** Paragraph that the user long-pressed for AI explanation */
.paragraph.is-selected {
  background-color: rgba(0, 229, 160, 0.05);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  margin-inline: calc(var(--space-xs) * -1);
}

/* ═══════════════════════════════════════════════════════════════════════════
   READING STATS BAR
   Compact row showing estimated read time and word count.
   ═══════════════════════════════════════════════════════════════════════════ */

.reading-stats {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.reading-stats__item {
  display: flex;
  align-items: center;
  gap: 4px;
}