/**
 * Playlab42 - Styles du Viewer de Parcours
 * @see openspec/changes/add-parcours-system/specs/parcours/spec.md
 */

/* === Layout principal === */
.parcours-viewer {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal, 1000);
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr;
  background: var(--color-bg);
  color: var(--color-text);
}

.parcours-viewer.menu-open {
  grid-template-columns: 300px 1fr;
}

/* === Header === */
.pv-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

/* === Sidebar / Menu === */
.pv-sidebar {
  grid-row: 2 / 4;
  display: none;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
  min-width: 200px;
  max-width: 400px;
}

.parcours-viewer.menu-open .pv-sidebar {
  display: flex;
}

.pv-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.pv-epic-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pv-menu {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
}

/* === Resize handle (Desktop) === */
.pv-resize-handle {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  cursor: col-resize;
  background: transparent;
  transition: background var(--transition-fast, 0.15s);
  z-index: 10;
}

.pv-resize-handle:hover,
.pv-resize-handle.dragging {
  background: var(--color-accent);
}

/* Optimisation pendant le resize */
.pv-resize-handle.dragging ~ .pv-menu,
.pv-sidebar:has(.pv-resize-handle.dragging) {
  will-change: width;
}

/* Masquer sur mobile */
@media (max-width: 768px) {
  .pv-resize-handle {
    display: none;
  }
}

.pv-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pv-menu > ul {
  padding-left: 0;
}

.pv-menu ul ul {
  padding-left: var(--space-md);
}

/* Section du menu */
.pv-menu-section {
  margin-bottom: var(--space-xs);
}

.pv-menu-section[aria-expanded="false"] > ul {
  display: none;
}

.pv-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.pv-menu-toggle:hover {
  background: var(--color-border);
}

/* Item slide du menu */
.pv-menu-slide {
  margin-bottom: 2px;
}

.pv-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  cursor: pointer;
  text-align: left;
}

.pv-menu-item:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.pv-menu-slide.visited .pv-menu-item {
  color: var(--color-text);
}

.pv-menu-slide.current .pv-menu-item {
  background: var(--color-accent);
  color: white;
}

.pv-menu-state {
  font-size: 0.7rem;
  width: 1em;
  text-align: center;
}

.pv-menu-icon {
  font-size: 1rem;
}

.pv-menu-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pv-menu-optional {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.pv-menu-slide.optional .pv-menu-item {
  opacity: 0.8;
}

/* === TOC intra-slide === */
.pv-menu-slide.has-toc {
  position: relative;
}

.pv-menu-slide.has-toc > .pv-menu-item::after {
  content: '▼';
  font-size: 0.6rem;
  margin-left: var(--space-xs);
  opacity: 0.5;
}

.pv-menu-slide.has-toc:not(.toc-expanded) > .pv-menu-item::after {
  content: '▶';
}

.pv-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  padding-left: var(--space-lg);
}

.pv-menu-slide:not(.toc-expanded) .pv-toc-list {
  display: none;
}

.pv-toc-item {
  margin-bottom: 2px;
}

.pv-toc-item.level-2 {
  padding-left: var(--space-md);
}

.pv-toc-anchor {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast, 0.15s);
}

.pv-toc-anchor:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.pv-toc-item.active .pv-toc-anchor {
  color: var(--color-accent);
  font-weight: 500;
}

.pv-toc-state {
  font-size: 0.5rem;
  width: 0.8em;
  text-align: center;
  flex-shrink: 0;
}

.pv-toc-icon {
  font-size: 0.9rem;
  flex-shrink: 0;
}

.pv-toc-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Focus visible pour TOC */
.pv-toc-anchor:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* === Contenu principal === */
.pv-content {
  position: relative;
  overflow: hidden;
}

.pv-slide-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.pv-slide-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--color-bg);
}

/* Loading */
.pv-loading {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  gap: var(--space-md);
}

.pv-loading.hidden {
  display: none;
}

.pv-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: pv-spin 1s linear infinite;
}

@keyframes pv-spin {
  to { transform: rotate(360deg); }
}

/* === Footer === */
.pv-footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.parcours-viewer.menu-open .pv-footer {
  grid-column: 2;
}

/* === Boutons === */
.pv-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s);
}

.pv-btn:hover:not(:disabled) {
  background: var(--color-border);
}

.pv-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pv-btn-close,
.pv-btn-menu,
.pv-btn-close-menu {
  padding: var(--space-sm);
  background: none;
  border: none;
  font-size: var(--font-size-lg);
}

.pv-btn-prev,
.pv-btn-next {
  min-width: 120px;
}

/* === Breadcrumb === */
.pv-breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  overflow: hidden;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pv-breadcrumb-item {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pv-breadcrumb-item.current {
  color: var(--color-text);
  font-weight: 500;
}

.pv-breadcrumb-sep {
  color: var(--color-border);
}

/* === Progression === */
.pv-progress-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  min-width: 100px;
}

.pv-progress-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pv-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pv-progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: width var(--transition-normal, 0.3s);
}

/* === Erreur === */
.pv-error {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pv-error-content {
  text-align: center;
  padding: var(--space-xl);
}

.pv-error-content p {
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-lg);
}

/* === Responsive === */

/* Mobile - menu en overlay */
@media (max-width: 768px) {
  .parcours-viewer.menu-open {
    grid-template-columns: 1fr;
  }

  .pv-sidebar {
    position: fixed;
    inset: 0;
    z-index: 100;
    width: 100%;
    max-width: 300px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal, 0.3s);
  }

  .parcours-viewer.menu-open .pv-sidebar {
    display: flex;
    transform: translateX(0);
  }

  /* Overlay derrière le menu */
  .parcours-viewer.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .pv-footer {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .pv-btn-prev,
  .pv-btn-next {
    min-width: auto;
    flex: 1;
  }

  .pv-progress-info {
    order: -1;
    width: 100%;
  }

  .pv-breadcrumb {
    display: none;
  }
}

/* Desktop large - menu toujours visible */
@media (min-width: 1200px) {
  .parcours-viewer {
    grid-template-columns: 280px 1fr;
  }

  .pv-sidebar {
    display: flex;
  }

  .pv-btn-menu {
    display: none;
  }

  .pv-btn-close-menu {
    display: none;
  }

  .pv-footer {
    grid-column: 2;
  }
}

/* === Focus visible === */
.pv-btn:focus-visible,
.pv-menu-toggle:focus-visible,
.pv-menu-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* === Thème sombre spécifique === */
[data-theme="dark"] .pv-loading {
  background: var(--color-bg);
}

[data-theme="dark"] .parcours-viewer.menu-open::before {
  background: rgba(0, 0, 0, 0.7);
}

/* ============================================
 * GLOSSAIRE - Termes et Tooltips
 * @see openspec/changes/add-glossary-system
 * ============================================ */

/* === Termes du glossaire (<dfn> ou .glossary-term) === */
dfn,
[data-term],
.glossary-term {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-accent, #6366f1);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  cursor: help;
  font-style: normal; /* Override défaut italique de <dfn> */
  transition: text-decoration-color var(--transition-fast, 0.15s);
}

dfn:hover,
[data-term]:hover,
.glossary-term:hover {
  text-decoration-color: var(--color-text, #1f2937);
}

dfn:focus,
[data-term]:focus,
.glossary-term:focus {
  outline: 2px solid var(--color-accent, #6366f1);
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Tooltip === */
.glossary-tooltip {
  position: absolute;
  max-width: 320px;
  min-width: 200px;
  padding: 0;
  background: var(--color-bg, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-md, 0.5rem);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
              0 8px 10px -6px rgba(0, 0, 0, 0.1);
  z-index: 1100;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.glossary-tooltip[role="tooltip"] {
  pointer-events: auto;
}

/* Header du tooltip */
.glossary-tooltip-header {
  padding: var(--space-sm, 0.5rem) var(--space-md, 0.75rem);
  background: var(--color-bg-secondary, #f9fafb);
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-md, 0.5rem) var(--radius-md, 0.5rem) 0 0;
  font-weight: 600;
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-accent, #6366f1);
}

/* Contenu du tooltip */
.glossary-tooltip-short {
  margin: 0;
  padding: var(--space-sm, 0.5rem) var(--space-md, 0.75rem);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.5;
  color: var(--color-text, #1f2937);
}

/* Liens "Voir aussi" */
.glossary-tooltip-see {
  margin: 0;
  padding: var(--space-xs, 0.25rem) var(--space-md, 0.75rem) var(--space-sm, 0.5rem);
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
  border-top: 1px solid var(--color-border, #e5e7eb);
}

/* Positionnement en-dessous (quand déborde en haut) */
.glossary-tooltip--below::before {
  top: -6px;
  bottom: auto;
  border-width: 0 6px 6px 6px;
  border-color: transparent transparent var(--color-border, #e5e7eb) transparent;
}

/* === Page glossaire auto-générée === */
.glossary-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-lg, 1.5rem);
}

.glossary-category {
  margin-bottom: var(--space-xl, 2rem);
}

.glossary-category-title {
  font-size: var(--font-size-lg, 1.125rem);
  font-weight: 600;
  color: var(--color-accent, #6366f1);
  margin: 0 0 var(--space-md, 0.75rem) 0;
  padding-bottom: var(--space-xs, 0.25rem);
  border-bottom: 2px solid var(--color-accent, #6366f1);
}

.glossary-list {
  margin: 0;
  padding: 0;
}

.glossary-entry {
  padding: var(--space-md, 0.75rem) 0;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}

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

.glossary-term-title {
  font-weight: 600;
  font-size: var(--font-size-md, 1rem);
  color: var(--color-text, #1f2937);
  margin: 0 0 var(--space-xs, 0.25rem) 0;
}

.glossary-definition {
  margin: 0;
  padding-left: var(--space-md, 0.75rem);
}

.glossary-short {
  margin: 0 0 var(--space-xs, 0.25rem) 0;
  color: var(--color-text, #1f2937);
  font-size: var(--font-size-sm, 0.875rem);
}

.glossary-long {
  margin: 0 0 var(--space-xs, 0.25rem) 0;
  color: var(--color-text-muted, #6b7280);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.6;
}

.glossary-see {
  margin: var(--space-sm, 0.5rem) 0 0 0;
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
}

.glossary-link {
  color: var(--color-accent, #6366f1);
  text-decoration: none;
}

.glossary-link:hover {
  text-decoration: underline;
}

/* === Animations accessibles === */
@media (prefers-reduced-motion: reduce) {
  .glossary-tooltip {
    transition: opacity 0.1s;
    transform: none !important;
  }

  dfn,
  [data-term],
  .glossary-term {
    transition: none;
  }
}

/* === Thème sombre === */
[data-theme="dark"] .glossary-tooltip {
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3),
              0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] dfn:hover,
[data-theme="dark"] [data-term]:hover,
[data-theme="dark"] .glossary-term:hover {
  text-decoration-color: var(--color-text, #f9fafb);
}