:root {
    --vr-accent: #2b5e8e;
    /* adatta a tua palette */
    --vr-border: #dfe3e6;
    --vr-bg: #f2f3f5;
    --vr-radius: 10px;
    --vr-font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", sans-serif;
}

.voice-reader-box {
    /* il tuo box esistente può restare così com’è per colori/margini */
}

.vr-player {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 100%;
    font-family: var(--vr-font);
    /* niente height fissa - lasciamo spazio alla scrollbar della pagina */
}

.vr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    background: rgba(0, 0, 0, 0.15);
    color: var(--vr-accent);
    border-radius: 50%;
    cursor: pointer;
}

.vr-btn:hover {
    border-color: var(--vr-accent);
}

.vr-progress {
    flex: 1 1 auto;
    height: 10px;
    margin-left: 10px;
    background: #ffffff;
    border: 1px solid #859cad;
    border-radius: 999px;
    overflow: hidden;
    position:relative
}

.vr-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--vr-accent), #6fa7d1);
    transition: width .12s linear;
}

.vr-launcher {
    display: inline-flex;
    align-items: center;
    color: #2b5e8e;
    font-weight: 600;
    text-decoration: none;
}

.vr-launcher:hover {
    background: #e8ebef;
}

.contenitore .page_container .singolo .corpo .info-box.voice-reader-box {
  cursor: normal!important;
}