/* ==========================================================================
   STRUTTURA E LAYOUT GENERALE
   ========================================================================== */
.page-wrap {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    gap: 30px;
    padding: 0 15px;
}

.main-content-letter {
    flex: 1;
    min-width: 0;
}

.main-content-letter h2 {
    font-size: 1.8rem;
    color: #212529;
    border-bottom: 2px solid #e67e22;
    padding-bottom: 8px;
    margin-bottom: 25px;
    font-family: sans-serif;
}

/* ==========================================================================
   BARRA ALFABETICA SUPERIORE
   ========================================================================== */
.alphabet {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin: 20px auto;
    max-width: 1200px;
    border: 1px solid #e9ecef;
    font-family: sans-serif;
}

.alphabet .search-label {
    margin: 0 0 10px 0;
    font-weight: bold;
    color: #495057;
}

.alphabet .letter-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}

.alphabet .letter-links a {
    display: inline-block;
    padding: 8px 12px;
    color: #004b87;
    text-decoration: none;
    font-weight: bold;
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

.alphabet .letter-links a:hover {
    background: #e2e8f0;
}

.alphabet .letter-links a.active {
    background-color: #e67e22;
    color: #ffffff !important;
    border-color: #e67e22;
}

/* ==========================================================================
   GRIGLIA ARTISTI A BOTTONI
   ========================================================================== */
.artists-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin: 25px 0;
    font-family: sans-serif;
}

.artists-buttons-grid a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 15px;
    color: #004b87;
    text-decoration: none;
    font-weight: bold;
    background-color: #ffffff;
    border: 2px solid #004b87;
    border-radius: 6px;
    text-align: center;
    transition: all 0.2s ease;
}

.artists-buttons-grid a:hover {
    background-color: #004b87;
    color: #ffffff;
    text-decoration: none;
}

/* ==========================================================================
   SIDEBAR CON BOTTONI UTILI (Stile coordinato)
   ========================================================================== */
.sidebar-right {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-family: sans-serif;
}

.sidebar-buttons-container a.btn-useful {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    color: #ffffff;
    background-color: #e67e22;
    border: 1px solid #d35400;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: background-color 0.2s ease;
}

.sidebar-buttons-container a.btn-useful:hover {
    background-color: #d35400;
    text-decoration: none;
}

/* ==========================================================================
   BANNER E COMPONENTI PUBBLICITARI (Centratura Forzata)
   ========================================================================== */
.banner {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 20px auto;
    width: 100%;
}

.inline-adsense-container {
    display: block;
    text-align: center;
    margin: 30px auto;
    width: 100%;
    clear: both;
}

.inline-adsense-container .adsbygoogle {
    margin: 0 auto !important;
    display: inline-block !important;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 992px) {
    .page-wrap {
        flex-direction: column;
    }
    .sidebar-right {
        width: 100%;
    }
    .artists-buttons-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}