*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:#000;color:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{overflow:hidden;overscroll-behavior:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.ecran-principal{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;touch-action:none}.icone-parametres{position:absolute;top:calc(env(safe-area-inset-top,0px) + 8px);inset-inline-end:8px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;color:#777}.parametres{position:fixed;top:0;right:0;bottom:0;left:0;overflow-y:auto;padding:calc(env(safe-area-inset-top,0px) + 24px) 16px 32px;background:#fff;color:#000;font-size:1.15rem;line-height:1.5;user-select:text;-webkit-user-select:text;touch-action:auto}.parametres h1{margin:0 0 24px;font-size:1.9rem}.parametres fieldset{margin:0 0 24px;padding:12px 16px 16px;border:2px solid #000;border-radius:8px}.parametres legend{padding:0 6px;font-weight:700}.choix-langue{display:flex;align-items:center;gap:12px;min-height:48px;font-size:1.25rem}.choix-langue input{width:24px;height:24px;margin:0;accent-color:#000}.ligne-vitesse{display:flex;align-items:center;gap:16px}.ligne-vitesse input{flex:1;height:40px;accent-color:#000}.ligne-vitesse output{min-width:3.5em;font-size:1.4rem;font-weight:700;text-align:center}.bouton{display:block;width:100%;min-height:56px;margin:0 0 16px;padding:12px 16px;border:2px solid #000;border-radius:8px;background:#fff;color:#000;font:inherit;font-weight:700}.bouton.principal{background:#000;color:#fff}.indicateur-voix{margin:0 0 24px;padding:0 16px;border-inline-start:6px solid #000}.indicateur-voix.absente{border-inline-start-color:#b00020}.indicateur-voix p{margin:8px 0}.etat{margin:0;font-size:clamp(3rem,14vw,7rem);font-weight:700;line-height:1.15;text-align:center;word-break:break-word}