/* LEARN/OPS — les pages : accueil, bibliothèque (affiches), formation (plan), lecteur ; administration. Le thème : hud.css. */

/* ── métriques (accueil, compte) ───────────────────────────────────────────────────────────────────────────────────── */
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0 0 26px; }
.metrics.compact { grid-template-columns: repeat(2, minmax(0, 220px)); }
.metrics > .panel { margin-top: 0; }
.metric { padding: 15px 17px 13px; }
.metric-value { font: 500 clamp(24px, 2.3vw, 32px) var(--font); letter-spacing: -.5px; line-height: 1.25; margin: 12px 0 4px; white-space: nowrap; }
.metric.accent .metric-value { color: var(--accent); }
.metric-sub { font-size: 11px; color: var(--muted); margin: 0; }

/* ── rangées et grilles d'affiches ─────────────────────────────────────────────────────────────────────────────────── */
.row-block { margin: 0 0 28px; }
.row-head { display: flex; align-items: center; gap: 12px; margin: 0 0 12px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
.row-head h2 { font: 600 11px var(--font); letter-spacing: 1.3px; margin: 0; }
.row-head .panel-id { margin-left: 2px; }
.row-link { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.row-link:hover { color: var(--accent); }
.row-link svg { width: 14px; height: 14px; }
.poster-row { display: grid; grid-auto-flow: column; grid-auto-columns: 158px; gap: 16px; overflow-x: auto; padding: 4px 2px 12px; scroll-snap-type: x proximity; }
.poster-row .poster { scroll-snap-align: start; }
.poster-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 20px 16px; }
.poster { display: flex; flex-direction: column; min-width: 0; position: relative; }
.poster-art {
  position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; border: 1px solid var(--border); background: #22323a;
  transition: border-color .15s, transform .15s;
}
.poster-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.poster:hover .poster-art { border-color: var(--accent); transform: translateY(-2px); }
.poster:hover .poster-title { color: var(--accent); }
.poster-art::after {   /* l'équerre du HUD, au survol */
  content: ""; position: absolute; inset: 4px; pointer-events: none; opacity: 0; transition: opacity .15s;
  background: linear-gradient(var(--accent), var(--accent)) left top / 12px 2px no-repeat, linear-gradient(var(--accent), var(--accent)) left top / 2px 12px no-repeat,
    linear-gradient(var(--accent), var(--accent)) right bottom / 12px 2px no-repeat, linear-gradient(var(--accent), var(--accent)) right bottom / 2px 12px no-repeat;
}
.poster:hover .poster-art::after { opacity: 1; }
.poster-ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 16px 14px;
  background: radial-gradient(ellipse at 30% 20%, #4de0b01c, transparent 60%), linear-gradient(160deg, #263b44, #18252d);
}
.poster-ph-mark { position: absolute; top: 12px; left: 14px; font: 600 10px var(--font); letter-spacing: 1px; color: #8fa6b0; }
.poster-ph-mark span { color: var(--accent); }
.poster-ph b { font: 500 15px/1.3 var(--font); color: var(--text); display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.poster-ph small { font-size: 11px; color: var(--accent); letter-spacing: .4px; }
.poster-badge {
  position: absolute; top: 8px; right: 8px; font: 600 10px var(--font); letter-spacing: .5px; padding: 3px 6px; display: inline-flex; align-items: center; gap: 3px;
  background: #18252de6; color: var(--accent); border: 1px solid #4de0b050;
}
.poster-badge svg { width: 12px; height: 12px; }
.poster-badge.done { background: var(--accent); color: var(--accent-ink); }
.poster-play {
  position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; display: grid; place-items: center;
  background: #18252dd9; border: 1px solid var(--accent); color: var(--accent); opacity: 0; transition: opacity .15s; clip-path: var(--cut);
}
.poster-play svg { width: 18px; height: 18px; margin-left: 2px; }
.poster:hover .poster-play { opacity: 1; }
.poster-progress { display: block; height: 3px; background: #adc8d11a; margin-top: -1px; position: relative; }
.poster-progress i { position: absolute; inset: 0 auto 0 0; background: var(--accent); box-shadow: 0 0 8px #4de0b060; }
.poster-title { font-size: 13px; font-weight: 500; line-height: 1.35; margin-top: 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.poster-sub { font-size: 11px; color: var(--muted); margin-top: 3px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.resume-line { display: inline-flex; align-items: center; gap: 4px; color: #b4c8d0; }
.resume-line svg { width: 10px; height: 10px; color: var(--accent); }

.shelf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.shelf-chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); padding: 7px 10px; font-size: 12px; color: #b9cad3; background: #adc8d104; }
.shelf-chip svg { width: 14px; height: 14px; color: var(--muted); }
.shelf-chip b { font-weight: 500; color: var(--accent); font-size: 11px; }
.shelf-chip:hover { border-color: var(--accent); color: var(--text); }

/* ── la bibliothèque : recherche et filtres ────────────────────────────────────────────────────────────────────────── */
.toolbar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 0 0 22px; position: sticky; top: -22px; z-index: 5; padding: 10px 0; background: #192830f2; }
.search-box { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); padding: 8px 10px; color: var(--muted); width: min(380px, 100%); background: #0f1b2326; }
.search-box:focus-within { border-color: #4de0b080; }
.search-box svg { width: 15px; height: 15px; }
.search-box input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; font-size: 13px; color: var(--text); }
.chips { display: flex; gap: 3px; border: 1px solid var(--border); padding: 3px; flex-wrap: wrap; }
.chips button { font-size: 12px; padding: 6px 10px; color: var(--muted); }
.chips button span { font-size: 10px; color: var(--dim); margin-left: 3px; }
.chips button.selected { color: var(--accent); background: #4de0b016; }
.chips button.selected span { color: var(--accent); }
.shelf { margin: 0 0 30px; scroll-margin-top: 70px; }

/* ── une formation ─────────────────────────────────────────────────────────────────────────────────────────────────── */
.formation-hero { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 26px; padding: 20px; margin: 0 0 18px; }
.hero-poster { position: relative; aspect-ratio: 3 / 4; border: 1px solid var(--border); overflow: hidden; background: #22323a; align-self: start; }
.hero-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-main { min-width: 0; display: flex; flex-direction: column; }
.hero-main h1 { margin-top: 8px; font-size: 26px; }
.hero-author { color: var(--accent); font-size: 13px; margin: 6px 0 0; letter-spacing: .3px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 14px 30px; margin: 20px 0 16px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat > span { font-size: 10px; color: var(--muted); letter-spacing: .6px; white-space: nowrap; }
.stat b { font-size: 15px; font-weight: 500; white-space: nowrap; }
.hero-progress { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; }
.hero-progress .seg-bar { flex: 1; max-width: 520px; height: 5px; }
.hero-progress span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; }
.cta-sub { font-weight: 400; opacity: .8; max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── le plan : sections repliables, leçons ─────────────────────────────────────────────────────────────────────────── */
.plan .tree { padding: 6px 0 10px; }
.tree { --indent: 18px; }
.sec > summary {
  list-style: none; display: flex; align-items: center; gap: 10px; padding: 11px 16px; cursor: pointer; border-bottom: 1px solid var(--line);
  user-select: none; min-width: 0;
}
.sec > summary::-webkit-details-marker { display: none; }
.sec > summary:hover { background: #adc8d106; }
.sec-chev { width: 14px !important; height: 14px !important; color: var(--muted); transition: transform .15s; }
.sec[open] > summary .sec-chev { transform: rotate(90deg); color: var(--accent); }
.sec-num { font: 500 11px var(--mono); color: var(--accent); min-width: 22px; }
.sec-title { font-weight: 500; font-size: 13.5px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sec-meta { font-size: 11px; color: var(--muted); white-space: nowrap; }
.sec-done > summary .sec-title { color: #9fb3bd; }
.sec-mark { width: 26px; height: 26px; display: grid; place-items: center; color: var(--dim); border: 1px solid transparent; flex-shrink: 0; }
.sec-mark svg { width: 14px; height: 14px; }
.sec-mark:hover { color: var(--accent); border-color: #4de0b050; }
.sec-body { padding-left: var(--indent); border-left: 1px solid var(--line); margin-left: 22px; }
.les {
  display: flex; align-items: center; gap: 10px; padding: 8px 16px 8px 12px; border-bottom: 1px solid var(--line); min-width: 0; position: relative;
}
.les:hover { background: #a8c7d008; }
.les:hover .les-title { color: var(--text); }
.les.current { background: linear-gradient(90deg, #4de0b018, #4de0b006); box-shadow: inset 2px 0 var(--accent); }
.les.current .les-title { color: var(--accent); }
.les-state { width: 18px; height: 18px; display: grid; place-items: center; flex-shrink: 0; color: var(--dim); }
.les-state svg { width: 15px; height: 15px; }
.les.done .les-state { color: var(--accent); }
.les .dot { width: 5px; height: 5px; border: 1px solid #6e8793; }
.ring { width: 14px; height: 14px; border-radius: 50%; background: conic-gradient(var(--accent) calc(var(--p) * 1%), #adc8d133 0); -webkit-mask: radial-gradient(circle, transparent 3.5px, #000 4px); mask: radial-gradient(circle, transparent 3.5px, #000 4px); }
.les-num { font: 11px var(--mono); color: var(--dim); min-width: 34px; }
.les-title { flex: 1; min-width: 0; font-size: 13px; color: #c0cfd6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.les.done .les-title { color: #8fa3ad; }
.les-meta { display: flex; align-items: center; gap: 10px; color: var(--dim); flex-shrink: 0; }
.les-meta svg { width: 14px; height: 14px; }
.les-files { display: inline-flex; align-items: center; gap: 2px; font-size: 10px; }
.les-files svg { width: 12px; height: 12px; }
.les-dur { font: 11px var(--mono); min-width: 52px; text-align: right; }
.tree.compact .sec > summary { padding: 9px 12px; gap: 8px; }
.tree.compact .sec-title { font-size: 12.5px; }
.tree.compact .sec-body { margin-left: 16px; padding-left: 8px; }
.tree.compact .les { padding: 7px 12px 7px 8px; gap: 8px; }
.tree.compact .les-title { font-size: 12.5px; }
.tree.compact .les-num { min-width: 28px; font-size: 10px; }
.tree.compact .les-kind, .tree.compact .les-files { display: none; }
.tree.compact .les-dur { min-width: 0; font-size: 10px; }
.tree.compact .seg-bar.mini { width: 36px; }

/* ── le lecteur ────────────────────────────────────────────────────────────────────────────────────────────────────── */
.player-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 12px; }
.player-layout.cinema { grid-template-columns: minmax(0, 1fr); }
.player-layout > .panel { margin-top: 0; }   /* la vidéo et le plan alignés en haut */
.player-layout.cinema .plan-panel { display: none; }
.player-panel { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.tabbar { display: flex; justify-content: space-between; align-items: center; height: 42px; flex-shrink: 0; border-bottom: 1px solid var(--border); padding: 0 8px 0 14px; gap: 10px; }
.tab { height: 100%; display: flex; align-items: center; gap: 8px; position: relative; font-size: 12px; white-space: nowrap; min-width: 0; }
.tab::after { content: ""; position: absolute; height: 1px; bottom: -1px; background: var(--accent); left: -14px; right: -10px; }
.tab b { font: 500 12px var(--mono); color: var(--accent); }
.tab-title { overflow: hidden; text-overflow: ellipsis; color: #c6d5dc; min-width: 0; }
.tab small { font-size: 9px; color: #76909e; letter-spacing: .5px; border: 1px solid var(--border); padding: 1px 4px; }
.tab-tools { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.speed { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); border: 1px solid var(--border); padding: 2px 4px 2px 6px; }
.speed svg { width: 14px; height: 14px; }
.speed select { background: transparent; border: 0; color: var(--text); font-size: 12px; outline: 0; padding: 2px; }
.speed select option { background: #1e2e37; }
.autonext { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); padding: 0 6px; cursor: pointer; }
.autonext input { accent-color: var(--accent); }
.player-stage { flex: 1; min-height: 220px; position: relative; background: #070d11; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.player-stage video { width: 100%; height: 100%; object-fit: contain; display: block; background: #000; }
.player-stage:fullscreen { background: #000; }
.stage-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; text-align: center;
  background: #0b151bd9; padding: 24px; z-index: 3;
}
.stage-overlay b { font: 500 16px var(--font); letter-spacing: .5px; max-width: 640px; }
.stage-overlay span { color: var(--muted); font-size: 13px; max-width: 520px; }
.stage-overlay .small-label b { font-size: 12px; color: var(--accent); }
.stage-overlay.next { background: linear-gradient(0deg, #0b151bf2, #0b151bb3); }
.spinner { width: 34px; height: 34px; border: 2px solid #4de0b030; border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.stage-toast { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); background: #18252de6; border: 1px solid #4de0b070; color: var(--text); font-size: 12px; padding: 7px 12px; z-index: 4; display: flex; gap: 10px; align-items: center; }
.stage-toast button { color: var(--accent); font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
.lesson-info { flex-shrink: 0; padding: 14px 16px 14px; border-top: 1px solid var(--border); max-height: 42%; overflow-y: auto; }
.lesson-info .breadcrumb { font-size: 11px; letter-spacing: .4px; }
.crumb-sep { color: var(--dim); }
.lesson-info h1 { font-size: 19px; margin: 6px 0 12px; }
.lesson-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.lesson-meta { margin-left: auto; font-size: 11px; color: var(--muted); display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.lesson-meta a { display: inline-flex; align-items: center; gap: 4px; color: #a9bdc7; }
.lesson-meta a:hover { color: var(--accent); }
.lesson-meta svg { width: 12px; height: 12px; }
.attachments { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.attachments .small-label { width: 100%; }
.attach { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); padding: 7px 10px; font-size: 12px; max-width: 100%; background: #adc8d104; }
.attach span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach small { color: var(--muted); font-size: 10px; flex-shrink: 0; }
.attach svg { width: 15px; height: 15px; color: var(--accent); }
.attach:hover { border-color: var(--accent); }
.plan-panel { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.plan-panel .section-heading { padding: 11px 14px; min-height: 42px; }
.plan-panel .section-heading h2 { font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.plan-progress { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.plan-panel .tree { overflow-y: auto; flex: 1; min-height: 0; }

/* les autres types de leçons */
.player-stage.kind-pdf, .player-stage.kind-web, .player-stage.kind-image, .player-stage.kind-gallery, .player-stage.kind-text { align-items: stretch; background: #0f191f; }
.doc-frame { width: 100%; height: 100%; border: 0; background: #2a2a2e; display: block; }
.doc-frame.light { background: #fff; }
.doc-scroll { width: 100%; height: 100%; overflow: auto; padding: 18px; }
.doc-image { display: block; max-width: 100%; margin: 0 auto; }
.gallery { display: flex; flex-direction: column; gap: 22px; align-items: center; }
.gallery figure { margin: 0; max-width: 100%; }
.gallery img { display: block; max-width: 100%; border: 1px solid var(--border); }
.gallery figcaption { font-size: 11px; color: var(--muted); margin-top: 6px; text-align: center; }
.doc-text { white-space: pre-wrap; word-break: break-word; font-size: 14px; line-height: 1.7; color: #d2dee4; max-width: 900px; margin: 0 auto; font-family: var(--font); }
.doc-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.viewer-msg { max-width: 520px; text-align: center; padding: 30px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.viewer-msg > svg { width: 42px; height: 42px; color: var(--accent); opacity: .8; }
.viewer-msg h2 { font: 500 18px var(--font); margin: 0; word-break: break-word; }
.viewer-msg p { color: var(--muted); font-size: 13px; margin: 0 0 8px; line-height: 1.6; }
.audio-stage { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 30px; width: min(620px, 100%); }
.audio-stage > svg { width: 56px; height: 56px; color: var(--accent); }
.audio-stage b { font-weight: 500; text-align: center; }
.audio-stage audio { width: 100%; }

/* ── divers ────────────────────────────────────────────────────────────────────────────────────────────────────────── */
.narrow { max-width: 760px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-2 > .panel + .panel { margin-top: 0; }
.error-panel { width: min(520px, 100%); padding: 36px; text-align: center; margin: 40px auto; }
.error-code { font: 500 54px var(--font); color: var(--accent); letter-spacing: 2px; }
.error-panel p { color: var(--muted); margin: 6px 0 22px; }
.empty-panel { padding: 50px 30px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.empty-mark svg { width: 46px; height: 46px; color: var(--accent); opacity: .7; }
.empty-panel h2 { font: 500 20px var(--font); margin: 0; }
.empty-panel p { color: var(--muted); margin: 0 0 10px; }
form[data-busy].busy button { opacity: .6; pointer-events: none; }

/* ── écrans plus petits ────────────────────────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .player-layout { grid-template-columns: minmax(0, 1fr) 300px; }
  .header-search { width: 220px; }
}
@media (max-width: 900px) {
  .terminal-nav a { font-size: 0; gap: 0; }
  .terminal-nav a svg { width: 18px; height: 18px; }
  .terminal-workspace { padding: 18px 16px 30px; }
  .terminal-workspace.flush { overflow-y: auto; display: block; padding: 10px; }
  .player-layout { display: flex; flex-direction: column; }
  .player-panel { overflow: visible; }
  .player-stage { flex: none; aspect-ratio: 16 / 9; min-height: 0; }
  .player-stage.kind-pdf, .player-stage.kind-web, .player-stage.kind-gallery, .player-stage.kind-text, .player-stage.kind-image { aspect-ratio: auto; height: 75vh; }
  .player-stage.kind-audio, .player-stage.kind-file { aspect-ratio: auto; min-height: 260px; }
  .lesson-info { max-height: none; }
  .plan-panel { max-height: 70vh; }
  .grid-2 { grid-template-columns: 1fr; }
  .formation-hero { grid-template-columns: 130px minmax(0, 1fr); gap: 18px; }
}
@media (max-width: 650px) {
  body.app { height: auto; min-height: 100dvh; overflow: auto; }
  .terminal-header { height: 54px; gap: 10px; padding: 0 12px; position: sticky; top: 0; background: #17242cf5; }
  .wordmark { font-size: 19px; }
  .terminal-header .revision, .header-search, .terminal-header-right > .icon-button { display: none; }
  .terminal-nav { margin-left: auto; gap: 16px; }
  .terminal-rail { display: none; }
  .terminal-layout { display: block; }
  .terminal-workspace, .terminal-workspace.flush { overflow: visible; padding: 16px 12px 30px; }
  .metrics { gap: 10px; }
  .metric { padding: 12px; }
  .poster-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 16px 10px; }
  .poster-row { grid-auto-columns: 128px; gap: 10px; }
  .formation-hero { grid-template-columns: 1fr; }
  .hero-poster { width: 150px; }
  .hero-main h1 { font-size: 21px; }
  .page-heading h1, h1 { font-size: 22px; }
  .les-num { display: none; }
  .les-kind { display: none; }
  .sec-meta { display: none; }
  .tabbar { height: auto; flex-wrap: wrap; padding: 8px 10px; }
  .tab::after { display: none; }
  .lesson-meta { margin-left: 0; width: 100%; }
  .terminal-status .status-hint { display: none; }
  .toolbar { top: 54px; }
  .table td.actions { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  .poster-art, .poster-play, .sec-chev, .switch-ui::after { transition: none; }
  .spinner { animation-duration: 2s; }
}