/* Tab 2: Lector */

/* ── Layout: gloss | resizer | minimap | [detail] | texto ────────────── */
.reader-layout {
  display: flex;
  width: 100%;
  height: 100%;
}

/* ── Glosa cronológica (izquierda) ───────────────────────────────────── */
.reader-gloss {
  width: 280px;
  min-width: 160px;
  max-width: 50vw;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: none;
  flex-shrink: 0;
}

.gloss-scroll {
  flex: 1;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

.gloss-footer {
  flex-shrink: 0;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.6875rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  text-align: center;
}

/* Gloss list: normal flow, no absolute positioning */
.gloss-list {
  display: flex;
  flex-direction: column;
  padding: var(--space-xs) 0;
}

.gloss-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 3px var(--space-sm);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  font-size: var(--font-size-sm);
  color: var(--ink);
  border-left: 3px solid transparent;
}

.gloss-item:hover {
  background: var(--surface-alt);
}

.gloss-item.selected {
  background: var(--mark-bg);
  color: var(--accent);
  border-left-color: var(--accent);
}

.gloss-item.selected .gloss-label {
  font-weight: 600;
}

/* Hierarchy: level 0 = prominent, level 2 = subdued */
.gloss-item.level-0 {
  font-weight: 600;
  font-size: var(--font-size-base);
  padding-top: var(--space-xs);
  padding-bottom: var(--space-xs);
}

.gloss-item.level-1 {
  padding-left: calc(var(--space-sm) + 1em);
  font-weight: 500;
}

.gloss-item.level-2 {
  padding-left: calc(var(--space-sm) + 2em);
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8125rem;
}

.gloss-item.level-2:hover,
.gloss-item.level-2.selected {
  color: var(--accent);
}

.gloss-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gloss-count {
  font-size: 0.6875rem;
  color: var(--muted);
  background: var(--surface-alt);
  padding: 0 5px;
  border-radius: 8px;
  min-width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.gloss-item.selected .gloss-count {
  background: var(--accent);
  color: white;
}

/* ── Resizer ─────────────────────────────────────────────────────────── */
.reader-resizer {
  width: 6px;
  flex-shrink: 0;
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s ease;
  position: relative;
  z-index: 10;
}

.reader-resizer:hover,
.reader-resizer.dragging {
  background: var(--accent);
}

.reader-resizer::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 32px;
  border-radius: 1px;
  background: var(--muted);
  opacity: 0.5;
}

.reader-resizer:hover::after,
.reader-resizer.dragging::after {
  background: white;
  opacity: 1;
}

/* ── Minimap vertical ────────────────────────────────────────────────── */
.reader-minimap-strip {
  width: 32px;
  flex-shrink: 0;
  position: relative;
  background: var(--surface-alt);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  cursor: pointer;
  overflow: hidden;
}

.reader-minimap-strip .minimap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.minimap-band {
  position: absolute;
  left: 2px;
  right: 2px;
  min-height: 2px;
  border-radius: 1px;
  opacity: 0.7;
}

.minimap-viewport {
  position: absolute;
  left: 0;
  right: 0;
  background: rgba(45, 106, 90, 0.12);
  border: 1px solid var(--accent);
  border-radius: 2px;
  pointer-events: none;
}

.minimap-stats {
  position: absolute;
  bottom: var(--space-xs);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.5625rem;
  color: var(--muted);
  gap: 2px;
  pointer-events: none;
}

/* ── Concept detail panel (between minimap and text) ─────────────────── */
.concept-detail-panel {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.concept-detail-panel[hidden] {
  display: none !important;
}

.concept-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.concept-detail-label {
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--ink);
  padding: var(--space-xs) 0;
  outline: none;
  font-family: var(--font);
}

.concept-detail-label:focus {
  border-bottom-color: var(--accent);
}

.concept-detail-excerpts {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) var(--space-sm);
}

/* ── Excerpt group headers ────────────────────────────────────────────── */
.excerpt-group-header {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-sm) var(--space-sm) var(--space-xs);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.excerpt-group-header.current {
  color: var(--accent);
}

.excerpt-group-header.other {
  margin-top: var(--space-sm);
  border-top: 1px solid var(--border);
  padding-top: var(--space-sm);
}

.excerpt-group-count {
  font-size: 0.625rem;
  background: var(--surface-alt);
  padding: 0 5px;
  border-radius: 8px;
  min-width: 14px;
  text-align: center;
}

.excerpt-group-header.current .excerpt-group-count {
  background: var(--accent);
  color: white;
}

/* ── Excerpt items ───────────────────────────────────────────────────── */
.concept-detail-excerpt {
  padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  background: var(--surface-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
  cursor: pointer;
  position: relative;
}

.concept-detail-excerpt.local {
  border-left-color: var(--accent);
}

.concept-detail-excerpt.other-source {
  border-left-color: var(--muted);
  opacity: 0.75;
}

.concept-detail-excerpt.other-source:hover {
  opacity: 1;
}

.concept-detail-excerpt:hover {
  background: var(--mark-bg);
}

.concept-detail-excerpt .excerpt-source {
  font-size: 0.6875rem;
  color: var(--muted);
  margin-top: 2px;
  font-style: italic;
}

.concept-detail-excerpt .excerpt-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.concept-detail-excerpt:hover .excerpt-remove {
  opacity: 1;
}

.concept-detail-excerpt .excerpt-remove:hover {
  background: var(--danger, #c44);
  color: white;
}

.concept-detail-actions {
  padding: var(--space-sm);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-shrink: 0;
}

.btn-danger {
  background: transparent;
  color: var(--danger, #c44);
  border: 1px solid var(--danger, #c44);
}

.btn-danger:hover {
  background: var(--danger, #c44);
  color: white;
}

/* ── Texto del lector (derecha) ──────────────────────────────────────── */
.reader-text-panel {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.reader-content {
  font-family: var(--font-reading);
  font-size: 1.125rem;
  line-height: 1.8;
  padding: var(--space-lg) var(--space-xl);
  max-width: 72ch;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* ── Excerpts marcados ───────────────────────────────────────────────── */
.reader-content mark {
  background: var(--mark-bg);
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  padding: 1px 2px;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--duration) var(--ease);
  text-decoration: none;
}

.reader-content mark:hover {
  background: var(--mark-bg-hover);
}

.reader-content mark.highlight-active {
  background: var(--mark-bg-hover) !important;
  outline: 2px solid var(--accent);
  animation: flash-new 1.5s ease-out;
}

@keyframes flash-new {
  0% { outline-width: 4px; background: var(--mark-bg-hover) !important; }
  50% { outline-width: 2px; }
  100% { outline-width: 0px; }
}

/* ── Excerpt tooltip ─────────────────────────────────────────────────── */
.excerpt-tooltip {
  position: fixed;
  z-index: 1100;
  display: none;
  align-items: center;
  gap: var(--space-xs);
  background: var(--ink);
  color: var(--surface);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  pointer-events: auto;
}

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

.tooltip-concept {
  color: var(--accent-light, #8fc);
  cursor: pointer;
  font-weight: 500;
}

.tooltip-concept:hover {
  text-decoration: underline;
}

.tooltip-actions {
  display: flex;
  gap: 2px;
  margin-left: var(--space-xs);
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: var(--space-xs);
}

.tooltip-btn {
  background: transparent;
  border: none;
  color: var(--surface);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  opacity: 0.7;
  transition: opacity 0.15s;
}

.tooltip-btn:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}

.tooltip-btn.tooltip-delete {
  color: var(--danger, #c44);
  opacity: 0.8;
  font-weight: 600;
}

.tooltip-btn.tooltip-delete:hover {
  opacity: 1;
  background: var(--danger, #c44);
  color: white;
}

/* ── Modo "agregar sección" ──────────────────────────────────────────── */
.reader-content.add-section-mode {
  cursor: text;
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}

.reader-content.add-section-mode::selection,
.reader-content.add-section-mode *::selection {
  background: rgba(45, 106, 90, 0.3);
}

.reader-content mark.temp-highlight {
  background: rgba(45, 106, 90, 0.25);
  border-bottom: 2px dashed var(--accent);
  border-radius: 2px;
  animation: pulse-highlight 1.5s ease-in-out infinite;
}

@keyframes pulse-highlight {
  0%, 100% { background: rgba(45, 106, 90, 0.25); }
  50% { background: rgba(45, 106, 90, 0.15); }
}

/* ── Toast ────────────────────────────────────────────────────────────── */
.excerpt-created-toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--accent);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  opacity: 0;
  animation: toast-in-out 1.8s ease forwards;
  pointer-events: none;
}

@keyframes toast-in-out {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  15% { opacity: 1; transform: translateX(-50%) translateY(0); }
  75% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* ── Search flash (scroll to char position) ─────────────────────────── */
.search-flash {
  background: var(--accent);
  color: white;
  border-radius: 2px;
  padding: 1px 2px;
  animation: search-pulse 2s ease-out forwards;
}

@keyframes search-pulse {
  0% { background: var(--accent); color: white; }
  70% { background: var(--accent); color: white; }
  100% { background: transparent; color: inherit; }
}