:root{--blue:#1677c8;--dark:#125d9d;--green:#198754;--text:#252525;--muted:#666;--bg:#f4f6f8;--border:#dfe3e7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
header{background:linear-gradient(135deg,var(--dark),var(--blue));color:#fff;padding:34px 24px 28px}.wrap{max-width:1120px;margin:auto}
header h1{margin:0;font-size:34px}header p{margin:6px 0 0;opacity:.9}
nav{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 5px #0001}.nav{display:flex;gap:6px;overflow-x:auto;padding:8px 12px}
.nav a{white-space:nowrap;color:var(--dark);text-decoration:none;padding:7px 10px;border-radius:6px;font-size:14px}.nav a:hover{background:#eaf4fc}
main{padding:28px 18px 60px}section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:28px;margin-bottom:24px;box-shadow:0 2px 8px #00000009}
h2{margin-top:0;color:var(--dark)}h3{margin-top:28px}.lead{font-size:18px}
.quick,.two{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.two{grid-template-columns:1fr 1fr}
.quick a{display:block;text-decoration:none;color:inherit;border:1px solid var(--border);border-radius:10px;padding:18px;background:#fafbfc}.quick strong{display:block;color:var(--dark);margin-bottom:4px}
.tip{border-left:4px solid var(--green);background:#f0faf5;padding:12px 15px;margin:18px 0}.warning{border-left:4px solid #d88a00;background:#fff8e8;padding:12px 15px;margin:18px 0}
.shot{margin:20px 0;text-align:center}.shot img{max-width:100%;height:auto;border:1px solid var(--border);border-radius:8px;display:block;margin:auto}.caption{color:var(--muted);font-size:13px;margin-top:7px}.back{text-align:right;font-size:13px}a{color:var(--dark)}
footer{padding:20px 18px 40px;color:var(--muted);font-size:13px}
@media(max-width:700px){header h1{font-size:28px}main{padding:16px 10px 40px}section{padding:20px 16px}.quick,.two{grid-template-columns:1fr}}


/* --- v4: stronger sticky navigation + fixed top button --- */
nav {
    background: #e8f3fb;
    border-bottom: 2px solid #a9cce5;
}

.top-button-wrap {
    position: static;
}

.top-button {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 100;
    display: inline-block;
    background: #fff;
    border: 1px solid #b9c5cf;
    border-radius: 7px;
    padding: 7px 11px;
    color: #125d9d;
    text-decoration: none;
    font-size: 13px;
    box-shadow: 0 2px 7px rgba(0,0,0,.18);
}

.top-button:hover {
    background: #f7fbfe;
}

.mobile-key {
    margin: 20px 0;
    padding: 16px 18px;
    background: #eef7ff;
    border: 2px solid #5aa9df;
    border-radius: 10px;
}

.mobile-key-title {
    font-size: 18px;
    font-weight: bold;
    color: #125d9d;
    margin-bottom: 7px;
}

.mobile-key p {
    margin: 8px 0 0;
}

@media(max-width:700px) {
    .top-button {
        right: 10px;
        bottom: 10px;
    }
}

/* V5 — screenshots reali della Lista dei Brani */
#tracklist .two { align-items: start; }
#tracklist .shot img {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
}
#tracklist .caption { line-height: 1.45; }

/* V6 — Versions integrated into Lista dei Brani */
.versions-shot img {
    max-width: 520px;
}

/* V7 — Player YouTube screenshots */
#player .shot img {
    max-width: 100%;
}

/* V8 — Performance Tracks / Mixer screenshots */
#performance-player .shot img {
    max-width: 100%;
}

/* V9 — Score / Lyrics screenshots */
#scores .two {
    align-items: start;
}
#scores .shot img {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

/* V11 — FAQ */
.faq-item {
    margin: 10px 0;
    border: 1px solid #ccd5dc;
    border-radius: 7px;
    padding: 0;
    background: #fff;
}
.faq-item summary {
    cursor: pointer;
    padding: 10px 12px;
    font-weight: 600;
}
.faq-item p {
    margin: 0;
    padding: 0 12px 12px;
}





/* V14 — single classic menu button */
.jb-nav {
    z-index: 1030;
    overflow: visible !important;
}
.jb-nav .container-fluid {
    position: relative;
    overflow: visible !important;
    display: flex;
    justify-content: flex-start;
}
.jb-menu-button {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    border-color: rgba(255,255,255,.55);
    padding: .4rem .7rem;
}
.jb-menu-label {
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .03em;
}
.jb-menu-panel {
    position: absolute;
    top: calc(100% + .35rem);
    left: .5rem;
    width: min(360px, calc(100vw - 1rem));
    z-index: 1080;
    background: #fff;
    border-radius: .6rem;
    box-shadow: 0 .5rem 1.25rem rgba(0,0,0,.22);
    border: 1px solid rgba(0,0,0,.12);
    overflow: hidden;
}
.jb-menu-list {
    display: flex;
    flex-direction: column;
    padding: .4rem;
}
.jb-menu-list > a,
.jb-menu-group > a {
    display: block;
    padding: .55rem .7rem;
    border-radius: .4rem;
    color: #164f78;
    text-decoration: none;
    white-space: normal;
}
.jb-menu-list > a:hover,
.jb-menu-group > a:hover {
    background: #eef5fa;
    color: #0b3f62;
}
.jb-menu-group {
    margin: .15rem 0;
    padding: 0;
    border-top: 1px solid #e4e8eb;
    border-bottom: 1px solid #e4e8eb;
}
.jb-menu-group-title {
    padding: .55rem .7rem .25rem;
    font-weight: 700;
    color: #263746;
}

.jb-menu-group > a:not(.jb-menu-group-title) {

    margin-left: 10px;
}

.jb-menu-group > a {
    padding-left: 1.2rem;
    font-size: .95rem;
}
.jb-menu-list > a:first-child {
    font-weight: 600;
}
@media (max-width: 576px) {
    .jb-menu-panel {
        left: .35rem;
        width: calc(100vw - .7rem);
    }
}

/* V16 — compact menu and readable section offset */
.jb-menu-panel {
    width: min(320px, calc(100vw - 1rem));
    background: #fafafa;
}
.jb-menu-list {
    padding: .3rem;
}
.jb-menu-list > a,
.jb-menu-group > a {
    padding: .22rem .42rem;
    font-size: .95rem;
    line-height: 1.3;
}
.jb-menu-group-title {
    padding: .35rem .45rem .2rem;
    font-size: .95rem;
    margin-left: -7px;
}
.jb-menu-group > a {
    padding-left: .9rem;
    font-size: .9rem;
}

/* V16a — menu typography */
.jb-menu-panel {
    background: #dce8f5;
}
.jb-menu-list > a,
.jb-menu-group > a {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.35;

}
.jb-menu-group-title {
    font-size: 1.05rem;
    font-weight: 700;
}
.jb-menu-group > a {
    font-size: 1rem;
    font-weight: 600;
}

/* Colore barra menu */
.jb-nav {
    background-color: #174A6E !important;
}

.jb-menu-button:focus,
.jb-menu-button:focus-visible,
.jb-menu-button:active {
    box-shadow: none !important;
    outline: none !important;
}
/* V18 */
.manual-image {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem auto;
    border-radius: .5rem;
    box-shadow: 0 .25rem .8rem rgba(0,0,0,.15);
}
.manual-note { margin: 1rem 0; }
.manual-highlight {
    display: block;
    margin: 1rem 0;
    padding: .9rem 1rem;
    border-left: 5px solid #174A6E;
    border-radius: .35rem;
    background: #eef3f6;
    font-size: 1.05rem;
}

/* V22 — voci principali del menu cliccabili */
.jb-menu-group-title {
    display: block;
    text-decoration: none;
}

.jb-menu-group-title:hover {
    text-decoration: underline;
}

.header-update {
    margin: 0px;
    font-size: 14px;
    opacity: .75;
    font-style: italic;
}