/* =========================================================================
   bandeau.css — en-tête du site perso pour les pages qui en font partie
   (videos/videos.html, objets-3d/vision3d.html). Reprend les règles de
   style.css + theme-nature.css, limitées à .sh-bandeau pour ne rien
   changer au reste de la page. Utilisé avec assets/js/bandeau.js.
   ========================================================================= */
.sh-bandeau {
  --ink: #e8eef9; --ink-soft: #aebdd6; --ink-dim: #6f80a0;
  --glass: rgba(255, 255, 255, 0.045); --glass-strong: rgba(255, 255, 255, 0.08);
  --stroke: rgba(255, 255, 255, 0.10); --stroke-strong: rgba(255, 255, 255, 0.18);
  --accent-grad: linear-gradient(135deg, #a3e635, #16a34a);
  --maxw: 1180px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(4,17,10,.92), rgba(4,17,10,.7));
  border-bottom: 1px solid var(--stroke);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.6; color: var(--ink); color-scheme: dark;
  -webkit-font-smoothing: antialiased;
}
.sh-bandeau *, .sh-bandeau *::before, .sh-bandeau *::after { box-sizing: border-box; }
.sh-bandeau a { color: inherit; text-decoration: none; }
.sh-bandeau button { font: inherit; color: inherit; cursor: pointer; margin: 0; }
.sh-bandeau img, .sh-bandeau svg { display: block; max-width: 100%; }
.sh-bandeau .sh-wrap { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.sh-bandeau .sh-inner { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.sh-bandeau .sh-brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.sh-bandeau .sh-brand img { height: 46px; width: auto; }
.sh-bandeau .sh-name { display: block; font-weight: 800; letter-spacing: .2px; line-height: 1.1; }
.sh-bandeau .sh-role { display: block; font-size: 12px; color: var(--ink-dim); }
.sh-bandeau .sh-nav { display: flex; gap: 6px; }
.sh-bandeau .sh-nav a { padding: 8px 14px; border-radius: 11px; font-size: 14px; color: var(--ink-soft); transition: background .2s, color .2s; }
.sh-bandeau .sh-nav a:hover { color: var(--ink); background: var(--glass); }
.sh-bandeau .sh-vues {
  display: inline-flex; align-items: center; gap: 4px; height: 44px;
  padding: 4px; border-radius: 13px; background: var(--glass); border: 1px solid var(--stroke);
}
.sh-bandeau .sh-vues a {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 10px;
  color: var(--ink-soft); font-size: 13px; font-weight: 600; transition: background .2s, color .2s;
}
.sh-bandeau .sh-vues a svg { width: 15px; height: 15px; }
.sh-bandeau .sh-vues a[aria-current="page"] { background: var(--accent-grad); color: #04140b; box-shadow: 0 6px 18px -8px rgba(34,197,94,.7); }
.sh-bandeau .sh-rond {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; min-width: 44px;
  padding: 8px 12px; border-radius: 11px; background: var(--glass); border: 1px solid var(--stroke);
  color: var(--ink); font-size: 13px; font-weight: 600;
}
.sh-bandeau .sh-rond:hover { border-color: var(--stroke-strong); }
.sh-bandeau .sh-rond svg { width: 18px; height: 18px; }
.sh-bandeau .sh-lang { position: relative; }
.sh-bandeau .sh-flag { display: inline-flex; width: 22px; }
.sh-bandeau .sh-flag svg { width: 100%; height: auto; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255,255,255,.22); }
.sh-bandeau .sh-lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 160px; padding: 6px;
  background: rgba(12, 18, 34, .96); backdrop-filter: blur(16px);
  border: 1px solid var(--stroke-strong); border-radius: 14px; box-shadow: var(--shadow);
  display: none; flex-direction: column; gap: 2px;
}
.sh-bandeau .sh-lang.open .sh-lang-menu { display: flex; }
.sh-bandeau .sh-lang-menu button {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 0; border-radius: 10px;
  background: transparent; color: var(--ink-soft); font-size: 14px; text-align: left;
}
.sh-bandeau .sh-lang-menu button:hover { background: var(--glass-strong); color: var(--ink); }
.sh-bandeau .sh-lang-menu button[aria-current="true"] { color: var(--ink); background: var(--glass); }

/* Fenêtre « Outils » : les anciens boutons de la page */
.sh-fenetre {
  border: 1px solid rgba(255,255,255,.18); border-radius: 18px; padding: 0;
  background: rgba(10, 24, 16, .97); color: #e8eef9; max-width: min(92vw, 520px);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.75);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}
.sh-fenetre::backdrop { background: rgba(0, 0, 0, .55); backdrop-filter: blur(3px); }
.sh-fenetre .sh-fenetre-tete { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,.10); }
.sh-fenetre .sh-fenetre-tete h2 { margin: 0; flex: 1; font-size: 17px; font-weight: 700; }
.sh-fenetre .sh-fermer { border: 0; background: transparent; color: #aebdd6; font-size: 24px; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.sh-fenetre .sh-fermer:hover { background: rgba(255,255,255,.08); color: #fff; }
.sh-fenetre .sh-fenetre-corps { padding: 18px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

@media (max-width: 860px) {
  .sh-bandeau .sh-nav { display: none; }
}
@media (max-width: 620px) {
  .sh-bandeau .sh-inner { flex-wrap: wrap; gap: 10px; padding: 10px 0; }
  .sh-bandeau .sh-vues { order: 5; width: 100%; justify-content: space-between; }
  .sh-bandeau .sh-vues a { padding: 7px 8px; }
}
@media (max-width: 620px) {
  .sh-bandeau .sh-outils span { display: none; }
  .sh-bandeau .sh-outils { padding: 8px; }
}