/* ---------- menu ---------- */
.menu { max-width: 640px; margin: 4vh auto 0; padding: 0 22px 8vh; }
.menu-hero { text-align: center; margin-bottom: 42px; }
.menu-hero .ferris-badge { width: 128px; height: 96px; margin: 0 auto 18px; }
.menu-hero h1 { font-size: clamp(2rem, 6vw, 2.9rem); font-weight: 800; line-height: 1.04; }
.menu-hero h1 .rust { color: var(--accent); }
.menu-hero p { color: var(--ink-soft); margin: 14px auto 0; max-width: 46ch; }

.modes { display: flex; flex-direction: column; gap: 14px; }
.mode {
  position: relative; text-align: left; width: 100%;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 22px 20px 26px;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px;
  box-shadow: var(--shadow);
  transition: transform .16s ease, border-color .16s ease;
}
.mode::before {
  content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 4px;
  border-radius: 4px; background: var(--border-strong); transition: background .16s, top .16s, bottom .16s;
}
.mode.playable { cursor: pointer; }
.mode.playable:hover { transform: translateY(-2px); border-color: var(--accent); }
.mode.playable:hover::before { background: var(--accent); top: 8px; bottom: 8px; }
.mode.locked { opacity: .62; cursor: not-allowed; }
.mode .tag { font-family: "IBM Plex Mono", monospace; font-size: .68rem; letter-spacing: .13em; text-transform: uppercase; color: var(--ink-soft); }
.mode h3 { font-size: 1.35rem; margin: 4px 0 5px; }
.mode p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.chip {
  font-family: "IBM Plex Mono", monospace; font-size: .64rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 9px; border-radius: 999px; white-space: nowrap;
}
.chip.on { background: var(--accent); color: var(--accent-ink); }
.chip.soon { background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--border); }
.chip.done { background: var(--good-soft); color: var(--good); }
.menu-foot { text-align: center; margin-top: 34px; font-size: .8rem; color: var(--ink-soft); }
.menu-foot .mono { color: var(--ink); background: var(--surface-2); padding: 2px 6px; border-radius: 5px; }
/* le paragraphe « pourquoi Rust » du menu : de la prose, donc ferrée à gauche */
.menu > .menu-foot {
  text-align: left; max-width: 56ch; margin: 42px auto 0;
  padding-top: 26px; border-top: 1px solid var(--border);
  font-size: .82rem; line-height: 1.8;
}
.menu > .menu-foot strong { color: var(--ink); font-weight: 600; }

/* ---------- onglet classement (bord gauche du menu) ---------- */
/* Un onglet à la verticale, collé au bord : il signale le classement sans
   entrer dans la colonne du menu, qui reste centrée. Sous 900 px il n'y a plus
   la place sur le côté — il redescend en pastille horizontale. */
.onglet-classement {
  position: fixed; left: 0; top: 50%; transform: translateY(-50%); z-index: 40;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--border-strong); border-left: 0;
  border-radius: 0 13px 13px 0; padding: 18px 11px 20px;
  box-shadow: var(--shadow);
  transition: padding-left .16s, color .16s, border-color .16s;
}
.onglet-classement:hover { padding-left: 17px; color: var(--accent); border-color: var(--accent); }
.oc-ico { font-size: 1.25rem; line-height: 1; }
.oc-txt {
  writing-mode: vertical-rl; text-orientation: mixed;
  font-family: "IBM Plex Mono", monospace; font-size: .7rem;
  letter-spacing: .16em; text-transform: uppercase;
}
@media (max-width: 900px) {
  .onglet-classement {
    position: static; transform: none; flex-direction: row; gap: 8px;
    margin: 0 auto 14px; border: 1px solid var(--border-strong); border-radius: 999px;
    padding: 8px 16px; width: max-content;
  }
  .onglet-classement:hover { padding-left: 16px; }
  .oc-txt { writing-mode: horizontal-tb; }
}