/* Présentation RIUSC — Congrès de l'ASCQ 2026. Styles sortis de la page d'origine : la politique de sécurité
   du site (Content-Security-Policy) interdit les styles écrits dans la page. */
  /* Salle de projection : fond encre EGIDE, diapositive 16:9 centrée, barre d'outils discrète qui s'efface. Look unique sombre, assumé. */
  :root {
    --ink: #14152e;
    --ink-2: #1c1d3f;
    --indigo: #35367a;
    --orange: #ff6b00;
    --lav: #c9cbe3;
    --white: #ffffff;
    --font: "Calibri", "Carlito", "Segoe UI", system-ui, -apple-system, sans-serif;
    color-scheme: dark;
  }
  html, body { height: 100%; }
  body {
    background: var(--ink); color: var(--white); font-family: var(--font);
    overflow: hidden; -webkit-user-select: none; user-select: none;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    touch-action: pan-y pinch-zoom;
  }
  #stage { position: fixed; inset: 0; display: grid; place-items: center; background: var(--ink); }
  #frame {
    position: relative; width: min(100vw, calc(100vh * 16 / 9)); aspect-ratio: 16 / 9; max-width: 100%;
    background: var(--ink-2); box-shadow: 0 0 0 1px rgba(255,255,255,.04);
  }
  #frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block;
    transition: opacity .25s ease; }
  #frame img.out { opacity: 0; }
  @media (prefers-reduced-motion: reduce) { #frame img { transition: none; } }
  /* Code QR de téléchargement, posé sur la première et la dernière diapositive */
  .qrtag { position: absolute; z-index: 1; background: var(--white); border-radius: 1.2cqw; padding: 1cqw 1cqw .6cqw;
    display: flex; flex-direction: column; align-items: center; gap: .5cqw; width: 17.2%; box-sizing: border-box; }
  .qrtag .qr { width: 100%; aspect-ratio: 1; }
  .qrtag .qr canvas, .qrtag .qr img { width: 100% !important; height: auto !important; image-rendering: pixelated; display: block; }
  .qrtag span { font: 700 1.05cqw/1.2 var(--font); color: var(--ink-2); text-align: center; }
  #qrFirst { left: 78.4%; top: 13.3%; }
  #qrLast { left: 58.9%; top: 13.3%; }
  #frame { container-type: inline-size; }
  [hidden] { display: none !important; }
  .accent { color: var(--orange); }
  /* Zones tactiles */
  .tap { position: fixed; top: 0; bottom: 0; width: 30%; z-index: 2; background: transparent; border: 0; padding: 0; cursor: pointer; }
  .tap.prev { left: 0; } .tap.next { right: 0; width: 70%; }
  .tap:focus-visible { outline: 3px solid var(--orange); outline-offset: -3px; }
  /* Barre d'outils */
  #bar {
    position: fixed; z-index: 5; left: 50%; transform: translateX(-50%);
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    display: flex; align-items: center; gap: 6px; padding: 6px; border-radius: 999px;
    background: rgba(20,21,46,.88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 6px 24px rgba(0,0,0,.35); transition: opacity .3s ease, transform .3s ease;
    max-width: calc(100vw - 32px); flex-wrap: wrap; justify-content: center;
  }
  #bar.hide { opacity: 0; pointer-events: none; transform: translate(-50%, 8px); }
  #bar button {
    font: 600 15px/1 var(--font); color: var(--white); background: transparent; border: 0;
    min-height: 44px; min-width: 44px; padding: 0 14px; border-radius: 999px; cursor: pointer;
  }
  #bar a { font: 600 15px/44px var(--font); color: var(--white); text-decoration: none; min-height: 44px; min-width: 44px; padding: 0 14px; border-radius: 999px; display: inline-block; text-align: center; }
  #bar a.primary { background: var(--orange); color: var(--ink); }
  #dl a.big { display: flex; align-items: center; justify-content: center; text-decoration: none; }
  #bar button:hover { background: rgba(255,255,255,.08); }
  #bar button:focus-visible { outline: 2px solid var(--orange); }
  #bar button.primary { background: var(--orange); color: var(--ink); }
  #count { font: 600 15px/1 var(--font); font-variant-numeric: tabular-nums; color: var(--lav); padding: 0 8px; min-width: 64px; text-align: center; }
  /* Vue d'ensemble */
  #grid { position: fixed; inset: 0; z-index: 8; background: rgba(14,15,34,.97); overflow-y: auto;
    padding: calc(20px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 90px max(16px, env(safe-area-inset-left, 0px)); }
  #grid .head { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto 16px; }
  #grid h2 { margin: 0; font-size: 20px; }
  #grid ol { list-style: none; margin: 0 auto; padding: 0; max-width: 1200px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  #grid li button { width: 100%; padding: 0; border: 2px solid transparent; border-radius: 6px; background: none; cursor: pointer; position: relative; display: block; }
  #grid li button.cur { border-color: var(--orange); }
  #grid li img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 4px; }
  #grid li span { position: absolute; left: 6px; top: 6px; background: var(--ink); color: var(--white); font-size: 12px; padding: 2px 6px; border-radius: 4px; }
  .close { font: 600 15px var(--font); color: var(--white); background: var(--indigo); border: 0; border-radius: 999px; min-height: 44px; padding: 0 18px; cursor: pointer; }
  /* Vue téléphone (lien #telecharger) */
  #dl { position: fixed; inset: 0; z-index: 9; background: var(--ink); overflow-y: auto;
    padding: calc(28px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 40px max(16px, env(safe-area-inset-left, 0px)); }
  #dl .inner { max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
  #dl .eyebrow { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); font-weight: 700; }
  #dl h1 { font-size: clamp(24px, 6vw, 34px); line-height: 1.15; margin: 0; text-wrap: balance; }
  #dl p { margin: 0; color: var(--lav); font-size: 16px; line-height: 1.5; }
  #dl .cover { width: 100%; border-radius: 8px; display: block; }
  #dl .big { font: 700 18px var(--font); background: var(--orange); color: var(--ink); border: 0; border-radius: 12px; min-height: 56px; cursor: pointer; }
  #dl .ghost { font: 600 16px var(--font); background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,.25); border-radius: 12px; min-height: 48px; cursor: pointer; }
  #msg { min-height: 1.4em; font-size: 15px; color: var(--lav); }
  #toast { position: fixed; z-index: 10; left: 50%; top: calc(16px + env(safe-area-inset-top, 0px)); transform: translateX(-50%);
    background: var(--indigo); color: var(--white); padding: 10px 16px; border-radius: 10px; font-size: 15px; max-width: calc(100vw - 32px); }
  @media (max-width: 640px) {
    #bar button { padding: 0 10px; font-size: 14px; }
  }
[hidden]{display:none!important} body{margin:0}