/* Commandes communes : discrètes, accessibles au clavier et réutilisables. */
[hidden] { display: none !important; }
:root { --site-border: color-mix(in srgb, var(--pst-color-text-base) 18%, transparent); }
.site-action, .site-search button {
  border: 1px solid var(--site-border);
  border-radius: .4rem;
  padding: .3rem .65rem;
  background: transparent;
  color: var(--pst-color-text-base);
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}
.site-action:hover { background: color-mix(in srgb, var(--pst-color-text-base) 7%, transparent); }
.site-action:focus-visible, .site-dialog-close:focus-visible,
.site-search input:focus-visible, .site-search select:focus-visible {
  outline: 2px solid var(--parigaux-orange); outline-offset: 3px;
}
.site-muted { color: var(--pst-color-text-muted); font-size: .85rem; }
.site-page-actions { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; margin: -.4rem 0 1.2rem; }
.site-page-footer { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 2rem 0 .75rem; font-size: .85rem; }
.site-report-link { color: var(--pst-color-text-muted) !important; }
.site-library { margin: .75rem 0 1.25rem; font-size: .9rem; }
.site-resume { margin-bottom: .5rem; }
.site-search select {
  color: var(--pst-color-text-base); background: var(--pst-color-background);
  border: 1px solid var(--site-border); border-radius: .4rem; padding: .4rem; font-size: .85rem;
}
/* Pastilles d’avancement : un état lisible, sans menu déroulant. */
.site-progress-badge {
  --progress-ink: #496477;
  display: inline-flex; align-items: center; gap: .4rem; margin-top: .65rem;
  padding: .35rem .75rem; border: 1px solid color-mix(in srgb, var(--progress-ink) 25%, transparent);
  border-radius: 999px; color: var(--progress-ink);
  background: color-mix(in srgb, var(--progress-ink) 9%, var(--pst-color-background));
  font-size: .8rem; font-weight: 650; line-height: 1.25; white-space: nowrap;
}
.site-progress-badge::before { content: ""; width: .4rem; height: .4rem; border-radius: 50%; background: currentColor; }
.sd-card .site-progress-badge { align-self: center; width: fit-content; }
.site-progress-control { font-family: inherit; cursor: pointer; }
.site-progress-control::after { content: "↔"; opacity: .65; margin-left: .1rem; }
.site-progress-control:hover { border-color: var(--progress-ink); }
.site-progress-control:focus-visible { outline: 2px solid var(--parigaux-orange); outline-offset: 3px; }
.sd-card .site-progress-control { position: relative; z-index: 2; }
/* Laisser la pastille passer devant le lien étiré de la carte. */
.cartes-centrees .sd-card-body:has(.site-progress-control) { z-index: auto; }
.site-progress-badge[data-state="started"] { --progress-ink: #955020; }
.site-progress-badge[data-state="done"] { --progress-ink: #2c704b; }
.site-progress-badge[data-state="done"]::before { content: "✓"; width: auto; height: auto; background: none; }
html[data-theme="dark"] .site-progress-badge { --progress-ink: #bbcede; }
html[data-theme="dark"] .site-progress-badge[data-state="started"] { --progress-ink: #f2b783; }
html[data-theme="dark"] .site-progress-badge[data-state="done"] { --progress-ink: #a6ddb8; }
.site-page-actions .site-progress-current { margin-top: 0; margin-left: .25rem; }
.site-step-completion { display: flex; justify-content: flex-end; margin: 2rem 0 1.2rem; padding-top: 1.1rem; border-top: 1px solid var(--site-border); }
.site-complete-step { min-height: 2.8rem; padding: .7rem 1.1rem; border-radius: .65rem; border-color: var(--parigaux-bleu); background: var(--parigaux-bleu); color: white; font-size: .95rem; font-weight: 600; }
.site-complete-step:hover { background: color-mix(in srgb, var(--parigaux-bleu) 88%, black); }
.site-complete-step[aria-pressed="true"] { border-color: #2c704b; background: #edf6ef; color: #2c704b; }
html[data-theme="dark"] .site-complete-step[aria-pressed="true"] { border-color: #568b65; background: #20362a; color: #a6ddb8; }
.chapter-notions { color: var(--pst-color-text-muted); font-size: .95rem; }

/* Fenêtres de partage et de projection, au-dessus des en-têtes fixes. */
.site-dialog {
  width: min(32rem, calc(100vw - 2rem)); max-height: calc(100dvh - 2rem);
  padding: 1rem; border: 1px solid var(--site-border); border-radius: .7rem;
  background: var(--pst-color-background); color: var(--pst-color-text-base);
  box-shadow: 0 1rem 3rem #0004;
}
.site-dialog::backdrop { background: #0008; }
.site-dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.site-dialog .site-dialog-heading h2 { font-size: 1.4rem; margin: 0; }
.site-dialog-close { flex: 0 0 2rem; width: 2rem; height: 2rem; border: 0; background: transparent; color: inherit; font-size: 1.3rem; cursor: pointer; }
.site-dialog > input, .site-dialog > select {
  display: block; width: 100%; margin: .85rem 0; padding: .55rem;
  background: var(--pst-color-background); color: inherit; border: 1px solid var(--site-border); border-radius: .3rem;
}
.site-qr { display: block; width: 220px; height: 220px; max-width: 100%; background: white; margin: 1rem auto; }
.site-dialog p { margin: .7rem 0 0; }
.site-clipboard-fallback { position: fixed; inset: 0 auto auto 0; opacity: .01; width: 1px; height: 1px; }
.site-projecting { overflow: hidden; }
.site-projected {
  position: fixed !important; inset: 0 !important; z-index: 3000;
  width: 100vw !important; height: 100dvh !important; min-height: 0 !important; max-height: none !important; max-width: none !important;
  margin: 0 !important; padding: 0 1rem 1rem !important; border: 0 !important; border-radius: 0 !important;
  overflow: auto !important; background: var(--pst-color-background); color: var(--pst-color-text-base);
}
.site-projected::backdrop { background: var(--pst-color-background); }
.site-projection-heading {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  min-height: 3rem; padding: .5rem; border-bottom: 1px solid var(--site-border); background: var(--pst-color-background);
}
.site-projection-heading strong { font-size: 1rem; }
.site-projected .site-page-actions, .site-projected > .site-activity-toolbar { display: none; }
.site-projected.responsive-iframe.is-enhanced { display: flex !important; flex-direction: column; padding: 0 !important; overflow: hidden !important; }
.site-projected.responsive-iframe.is-enhanced .embedded-toolbar { display: none !important; }
.site-projected.responsive-iframe.is-enhanced > iframe { position: relative; inset: auto; flex: 1; min-height: 0; height: auto !important; width: 100%; border-radius: 0; }
.site-projected > .site-projection-heading { flex: 0 0 auto; }
.site-projected.video-manim video { max-height: calc(100dvh - 7rem); width: 100%; object-fit: contain; }
.site-projecting .bd-container, .site-projecting .bd-main, .site-projecting .bd-content, .site-projecting .bd-article-container, .site-projecting .bd-article { overflow: visible; transform: none; }
.site-activity-toolbar { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; margin: .4rem 0 .85rem; }
.site-video-controls { display: flex; align-items: center; gap: .4rem; margin: 0 0 .8rem; padding-top: .25rem; }
/* Garder la place des commandes évite de déplacer le cours au survol.
   Sur écran tactile, elles restent visibles ; Tab les révèle au clavier. */
@media (hover: hover) and (pointer: fine) {
  .site-video-controls { opacity: 0; pointer-events: none; }
  .video-manim:hover .site-video-controls,
  video:hover + .site-video-controls,
  .site-video-controls:hover,
  .site-video-controls:has(:focus-visible) { opacity: 1; pointer-events: auto; }
}
.site-video-controls .site-action { font-size: .82rem; min-width: 2rem; }
.site-projected .site-video-controls .site-action:last-child { display: none; }
.video-manim { cursor: auto; }
.video-manim video { cursor: pointer; }

/* Une barre compacte aussi sur ordinateur ; l'iframe garde toute sa place. */
.responsive-iframe.is-enhanced { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.responsive-iframe.is-enhanced iframe { position: relative; inset: auto; width: 100%; height: 100%; }
.responsive-iframe.is-enhanced::after { display: none; }
.responsive-iframe .embedded-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: .5rem; padding: .35rem .5rem; min-height: 2.7rem; }
.embedded-toolbar-action { font: inherit; font-size: .8rem; color: var(--pst-color-text-base); background: transparent; border: 1px solid var(--site-border); border-radius: .35rem; padding: .35rem .55rem; cursor: pointer; text-decoration: none; }

/* La recherche conserve de vrais champs et des URLs partageables. */
.site-search-form { margin: 1.5rem 0; }
.site-search-input { display: flex; gap: .5rem; margin: .5rem 0 1rem; }
.site-search-input input { flex: 1; min-width: 0; padding: .65rem; border: 1px solid var(--site-border); border-radius: .4rem; background: var(--pst-color-background); color: var(--pst-color-text-base); }
.site-search-filters { display: flex; gap: .75rem 1.5rem; flex-wrap: wrap; align-items: center; }
.site-search-filters label { display: flex; align-items: center; gap: .4rem; font-size: .9rem; }
.site-search-results { padding: 0; list-style: none; }
.site-search-results > li { margin: 1rem 0; padding-bottom: 1rem; border-bottom: 1px solid var(--site-border); }
.site-search-results h2 { font-size: 1.35rem; margin: 0 0 .2rem; }
.site-search-results p { margin: .35rem 0 0; }

/* Éditeur : copie dans l'en-tête, taille liée au code et redimensionnement manuel. */
.python-cell-header .python-copy { font-size: .75rem; padding: .2rem .35rem; border: 0; color: var(--pst-color-text-muted); background: transparent; cursor: pointer; white-space: nowrap; }
.python-cell-header .python-status { margin-left: auto; }
.python-cell .python-editor { min-height: 0; }
.python-cell .python-input { min-height: 0; height: auto; resize: vertical; }
.python-cell-header { gap: .4rem; }
.mobile-essential-flow { display: none; }

@media (min-width: 960px) and (max-width: 1199.98px) {
  .bd-header .search-button-field { width: 2.5rem; min-width: 2.5rem; padding: .5rem; justify-content: center; }
  .bd-header .search-button-field .search-button__default-text,
  .bd-header .search-button-field .search-button__kbd-shortcut { display: none; }
  .bd-header .navbar-header-items__end { flex-wrap: nowrap; }
  .bd-header .bd-navbar-elements .nav-link { font-size: .9rem; padding-inline: .3rem; white-space: nowrap; }
  .bd-header .navbar-header-items { flex-wrap: nowrap; }
}
@media (max-width: 959.98px) {
  /* « hidden » crée un défilement intermédiaire qui neutralise les éléments sticky. */
  .bd-main .bd-content .bd-article-container:has(.tb-app, .site-parabola-workspace) { overflow-x: clip; overflow-y: visible; }
  .site-page-actions .site-action { min-height: 2rem; }
  .site-page-actions { gap: .35rem; }
  .site-search-filters label { flex-wrap: wrap; }
  .site-search-input button { padding: .4rem; font-size: .8rem; }
  .site-search select { max-width: 100%; }
  /* Barre d'export du barème : elle est dans l'outil et reste visible à son approche. */
  .tb-app .tb-mobile-actions { position: sticky; bottom: 0; display: flex; gap: .5rem; justify-content: flex-end; padding: .55rem; background: var(--pst-color-background); border-top: 1px solid var(--site-border); z-index: 5; }
  .tb-app .tb-mobile-actions button { flex: 1; min-height: 2.6rem; }
  .site-parabola-workspace { display: flex; flex-direction: column; }
  .ga-app .site-parabola-workspace .ga-paraboles-card { order: -1; position: sticky; top: 3.6rem; z-index: 4; margin: 0 0 .5rem; }
  .ga-app.site-projected .site-parabola-workspace .ga-paraboles-card { top: 3rem; }
  .ga-app .site-parabola-workspace .ga-paraboles-card iframe { max-height: 32dvh; }
  .ga-app .site-parabola-workspace .ga-controller { padding: .7rem; }
  .ga-app .site-parabola-workspace .ga-controller-heading { display: none; }
  .ga-app .site-parabola-workspace .ga-coefficient-heading p { display: none; }
  .ga-app .site-parabola-workspace .ga-coefficient { padding: .4rem .55rem; }
  .ga-app .site-parabola-workspace .ga-coefficient-grid { gap: .3rem; }
  .ga-app .site-parabola-workspace .ga-paraboles-modes { margin-bottom: .5rem; }
  .python-cell .python-input { min-height: 0; height: auto; }
  .python-essential-diagram svg { min-width: 0 !important; width: 100%; }
  .python-essential-diagram { overflow-x: visible; }
  .python-essential-diagram:has(.mobile-essential-flow) > svg { display: none; }
  .mobile-essential-flow { display: flex; flex-direction: column; align-items: stretch; gap: .35rem; text-align: center; font-size: .9rem; }
  .mobile-flow-box { padding: .6rem; border: 1px solid var(--site-border); border-radius: .5rem; background: color-mix(in srgb, var(--parigaux-bleu) 5%, transparent); }
  .mobile-flow-branches { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
  .mobile-flow-branches strong { display: block; border: 1px solid var(--site-border); border-radius: .4rem; padding: .4rem; }
  .mobile-flow-list > div { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: .2rem; padding: .4rem 0; }
  .mobile-flow-list strong { border: 1px solid var(--site-border); border-radius: .3rem; }
}
@media (min-width: 960px) { .tb-mobile-actions { display: none; } }
@media print {
  .site-page-actions, .site-library, .site-page-footer, .site-video-controls, .site-activity-toolbar,
  .tb-mobile-actions, .site-step-completion { display: none !important; }
}