/* ==========================================================================
   Components — Cards, Pills, Tooltips, Navigation
   ========================================================================== */

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 6vw, 48px);
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

/* ---- Stats Bar ---- */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 14px;
  color: var(--color-text-secondary);
}

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

/* ---- Reading Tip ---- */
.reading-tip {
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
}

.reading-tip strong {
  font-weight: 600;
}

/* ---- Level Filter Pills ---- */
.level-filter {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.level-pill {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.level-pill:hover {
  border-color: var(--color-text-light);
}

/* Level pill active states with colour coding */
.level-pill[data-level="A1"].active,
.level-pill[data-level="A1"]:hover {
  background: var(--color-a1);
  border-color: var(--color-a1);
  color: white;
}

.level-pill[data-level="A2"].active,
.level-pill[data-level="A2"]:hover {
  background: var(--color-a2);
  border-color: var(--color-a2);
  color: white;
}

.level-pill[data-level="B1"].active,
.level-pill[data-level="B1"]:hover {
  background: var(--color-b1);
  border-color: var(--color-b1);
  color: white;
}

.level-pill[data-level="B2"].active,
.level-pill[data-level="B2"]:hover {
  background: var(--color-b2);
  border-color: var(--color-b2);
  color: white;
}

/* ---- Story Cards Grid ---- */
.story-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .story-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Story Card ---- */
.story-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.story-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

/* Level-specific pastel backgrounds */
.story-card--a1 { background: var(--color-a1-light); border-color: rgba(77, 139, 95, 0.15); }
.story-card--a2 { background: var(--color-a2-light); border-color: rgba(94, 126, 163, 0.15); }
.story-card--b1 { background: var(--color-b1-light); border-color: rgba(166, 131, 41, 0.15); }
.story-card--b2 { background: var(--color-b2-light); border-color: rgba(163, 80, 80, 0.15); }

.story-card--a1:hover { border-color: rgba(77, 139, 95, 0.3); }
.story-card--a2:hover { border-color: rgba(94, 126, 163, 0.3); }
.story-card--b1:hover { border-color: rgba(166, 131, 41, 0.3); }
.story-card--b2:hover { border-color: rgba(163, 80, 80, 0.3); }

/* Card body */
.story-card__body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Genre emoji + tint */
.story-card__genre {
  font-size: 20px;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.story-card__title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 2px;
}

.story-card__subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.story-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
  font-size: 12px;
  color: var(--color-text-light);
}

.story-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  color: white;
}

.story-card__badge--a1 { background: var(--color-a1); }
.story-card__badge--a2 { background: var(--color-a2); }
.story-card__badge--b1 { background: var(--color-b1); }
.story-card__badge--b2 { background: var(--color-b2); }

/* Read status */
.story-card__read-mark {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-a1);
}

/* In-progress bar */
.story-card__progress {
  height: 3px;
  background: var(--color-border-light);
  border-radius: 2px;
  margin-top: var(--space-sm);
  overflow: hidden;
}

.story-card__progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

/* Genre background tints (unused — cards use plain surface colour) */

/* ---- Word Tooltip ---- */
.word-tooltip {
  position: fixed;
  z-index: var(--z-tooltip);
  background: var(--color-tooltip-bg);
  color: var(--color-tooltip-text);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  max-width: 280px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.word-tooltip.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.tooltip__es {
  font-family: var(--font-reading);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.tooltip__en {
  color: #D6D3D1;
  margin-bottom: 2px;
}

.tooltip__literal {
  font-size: 12px;
  color: #A8A29E;
  font-style: italic;
}

.tooltip__pos {
  font-size: 11px;
  color: #78716C;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.tooltip__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid #44403C;
}

.tooltip__btn {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.tooltip__btn--speak {
  background: #44403C;
  color: #D6D3D1;
}

.tooltip__btn--speak:hover {
  background: #57534E;
}

/* ---- Size Controls ---- */
.size-controls {
  display: flex;
  gap: 2px;
  background: var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.size-btn {
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.size-btn:hover {
  color: var(--color-text);
}

.size-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.size-btn[data-size="small"]  { font-size: 12px; }
.size-btn[data-size="medium"] { font-size: 15px; }
.size-btn[data-size="large"]  { font-size: 18px; }

/* ---- Story Navigation ---- */
.story-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) 0;
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.story-nav__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.story-nav__btn:hover {
  border-color: var(--color-text-light);
  color: var(--color-text);
}

.story-nav__counter {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---- Glossary ---- */
.glossary-controls {
  margin-bottom: var(--space-lg);
}

.glossary-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.glossary-filters .level-filter {
  margin-bottom: 0;
}

.glossary-search {
  flex: 1;
  min-width: 200px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 14px;
  background: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.glossary-search:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.glossary-count {
  font-size: 13px;
  color: var(--color-text-light);
}

/* Alphabet bar */
.alpha-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-bottom: var(--space-lg);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.alpha-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.alpha-link:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.alpha-link--disabled {
  color: var(--color-border);
  pointer-events: none;
}

/* Letter groups */
.glossary-letter-group {
  margin-bottom: var(--space-xl);
}

.glossary-letter-heading {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-accent);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.glossary-entry {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-sm) var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-md);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.glossary-entry:hover {
  background: var(--color-accent-light);
}

.glossary-entry:last-child {
  border-bottom: none;
}

.glossary-word {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.glossary-es {
  font-family: var(--font-reading);
  font-weight: 600;
  font-size: 15px;
}

.glossary-en {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.glossary-source {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.glossary-story-link {
  font-size: 12px;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.glossary-story-link:hover {
  color: var(--color-text);
}

/* Level badges */
.level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  color: white;
}

.level-badge--a1 { background: var(--color-a1); }
.level-badge--a2 { background: var(--color-a2); }
.level-badge--b1 { background: var(--color-b1); }
.level-badge--b2 { background: var(--color-b2); }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  color: var(--color-text-secondary);
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
}

.empty-state__text {
  font-size: 15px;
}

/* ---- Toggle switch (reading mode) ---- */
.mode-toggle {
  display: flex;
  gap: 2px;
  background: var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.mode-toggle__btn {
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mode-toggle__btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}