/* ============================================
   BIBLIOTECA NAZIONALE MARCIANA - STILE WEB
   Basato su stile_app_marciana.dart
   ============================================ */

/* === CSS Variables (Colori Marciana) === */
:root {
    /* Colori principali */
    --marciana-primary: #A32E36;
    --marciana-primary-light: #D94450;
    --marciana-secondary: #1D1D1B;
    --marciana-light: #3C3C3B;
    --marciana-background: #1D1D1B;
    --marciana-overlay: rgba(0, 0, 0, 0.45);
    --marciana-white: #FFFFFF;
    --marciana-white-70: rgba(255, 255, 255, 0.7);

    /* Font */
    --font-header: 'Work Sans', sans-serif;
    --font-body: 'Varta', sans-serif;
    --body-text: 18px;

    /* Spacing */
    --spacing-xs: 6px;
    --spacing-sm: 10px;
    --spacing-md: 18px;
    --spacing-lg: 30px;

    /* Text Scale Factor (accessibilita) - default 1.44 (+44% totale) */
    --text-scale: 1;

    /* Dimensioni bottom nav */
    --bottom-nav-height: 70px;
    --header-height: 60px;
}

/* === Reset e Base === */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    font-size: var(--body-text);
    line-height: 1.4;
    background-color: var(--marciana-background);
    color: var(--marciana-white);
}

/* Rimuove scrollbar ma mantiene scroll */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--marciana-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--marciana-light);
    border-radius: 3px;
}

/* === Typography con Scaling === */
h1, .h1, .header1 {
    font-family: var(--font-header);
    font-size: calc(32px * var(--text-scale));
    font-weight: 700;
    line-height: 1.3;
}

h2, .h2, .header2 {
    font-family: var(--font-header);
    font-size: calc(28px * var(--text-scale));
    font-weight: 600;
    line-height: 1.3;
}

h3, .h3, .header3 {
    font-family: var(--font-header);
    font-size: calc(26px * var(--text-scale));
    font-weight: 700;
    line-height: 1.7;
}

h4, .h4, .header4 {
    font-family: var(--font-header);
    font-size: calc(24px * var(--text-scale));
    font-weight: 500;
    line-height: 1.4;
}

.body-text {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    line-height: 1.4;
}

.card-text {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    color: var(--marciana-white-70);
}

.button-text {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
}

.small-text {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 700;
}

/* === Splash Screen === */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--marciana-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-content {
    text-align: center;
}

.splash-logo {
    max-width: 200px;
    height: auto;
}

.spinner-border {
    color: var(--marciana-primary) !important;
}

/* === App Container === */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100vh;
    overflow: hidden;
}

/* === Header === */
.app-header {
    height: var(--header-height);
    background-color: var(--marciana-secondary);
    border-bottom: 1px solid var(--marciana-light);
    flex-shrink: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-md);
}

.page-title {
    font-family: var(--font-header);
    font-size: calc(18px * var(--text-scale));
    font-weight: 600;
    margin: 0;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--marciana-white);
    font-size: 24px;
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: color 0.2s;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover,
.btn-icon:focus {
    color: var(--marciana-primary);
}

/* === Page Content === */
.page-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-md);
}

/* === Bottom Navigation === */
.bottom-nav {
    height: var(--bottom-nav-height);
    background-color: var(--marciana-secondary);
    border-top: 1px solid var(--marciana-light);
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
    z-index: 100;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--marciana-white-70);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: all 0.2s;
    gap: 4px;
}

.nav-item i {
    font-size: 22px;
}

.nav-item span {
    font-size: calc(11px * var(--text-scale));
    font-weight: 600;
}

.nav-item:hover,
.nav-item:focus {
    color: var(--marciana-white);
}

.nav-item.active {
    color: var(--marciana-primary-light);
}

.nav-item.active i {
    color: var(--marciana-primary-light);
}

/* === Cards === */
.card-marciana {
    background-color: var(--marciana-light);
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.card-marciana:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.card-marciana .card-img-top {
    height: 210px;
    object-fit: cover;
    display: block;
    width: 100%;
}

.card-marciana .card-body {
    padding: var(--spacing-md);
}

.card-marciana .card-title {
    font-family: var(--font-header);
    font-size: calc(16px * var(--text-scale));
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--marciana-white);
}

.card-marciana .card-subtitle {
    font-size: calc(13px * var(--text-scale));
    color: var(--marciana-white-70);
    margin-bottom: 0;
}

/* Card Orizzontale */
.card-horizontal {
    display: flex;
    flex-direction: row;
}

.card-horizontal .card-img-left {
    width: 120px;
    height: 120px;
    object-fit: cover;
    flex-shrink: 0;
}

.card-horizontal .card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* === Griglia responsive === */
.grid-container {
    display: grid;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

/* Mobile portrait */
@media (max-width: 575px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* Mobile landscape / Tablet portrait */
@media (min-width: 576px) and (max-width: 991px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet landscape / Desktop */
@media (min-width: 992px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .grid-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* === Buttons === */
.btn-marciana {
    background-color: var(--marciana-primary);
    color: var(--marciana-white);
    border: none;
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-marciana:hover,
.btn-marciana:focus {
    background-color: var(--marciana-primary-light);
    color: var(--marciana-white);
}

.btn-marciana-outline {
    background-color: transparent;
    color: var(--marciana-primary);
    border: 2px solid var(--marciana-primary);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-marciana-outline:hover,
.btn-marciana-outline:focus {
    background-color: var(--marciana-primary);
    color: var(--marciana-white);
}

/* Pulsante TTS */
.btn-tts {
    background-color: transparent;
    border: 1px solid var(--marciana-white-70);
    color: var(--marciana-white-70);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-tts:hover,
.btn-tts.speaking {
    background-color: var(--marciana-primary);
    border-color: var(--marciana-primary);
    color: var(--marciana-white);
}

.btn-tts.speaking {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* === Sezione con titolo === */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
}

.section-title {
    font-family: var(--font-header);
    font-size: calc(18px * var(--text-scale));
    font-weight: 600;
    margin: 0;
}

.section-link {
    color: var(--marciana-primary);
    font-size: calc(var(--body-text) * var(--text-scale));
    text-decoration: none;
    cursor: pointer;
}

.section-link:hover {
    color: var(--marciana-primary-light);
    text-decoration: underline;
}

/* === Hero Section === */
.hero-section {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(transparent, var(--marciana-overlay));
}

.hero-title {
    font-family: var(--font-header);
    font-size: calc(24px * var(--text-scale));
    font-weight: 700;
    margin: 0;
    color: var(--marciana-white);
}

.hero-subtitle {
    font-size: calc(var(--body-text) * var(--text-scale));
    color: var(--marciana-white-70);
    margin-top: var(--spacing-xs);
}

/* === Dettaglio Opera/Sala === */
.detail-header {
    position: relative;
}

.detail-gallery {
    position: relative;
    background-color: var(--marciana-secondary);
}

.detail-main-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background-color: var(--marciana-secondary);
    cursor: pointer;
}

.detail-thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    overflow-x: auto;
    background-color: var(--marciana-light);
}

.detail-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.detail-thumb:hover,
.detail-thumb.active {
    opacity: 1;
}

.detail-content {
    padding: var(--spacing-md);
}

.detail-title {
    font-family: var(--font-header);
    font-size: calc(22px * var(--text-scale));
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.detail-subtitle {
    font-size: calc(18px * var(--text-scale));
    color: var(--marciana-primary);
    margin-bottom: var(--spacing-md);
}

.detail-description {
    font-size: calc(var(--body-text) * var(--text-scale));
    line-height: 1.6;
    color: var(--marciana-white);
}

.detail-description p {
    margin-bottom: var(--spacing-md);
}

/* Metadati opera */
.detail-meta {
    background-color: var(--marciana-light);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.meta-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
}

.meta-item:last-child {
    margin-bottom: 0;
}

.meta-label {
    font-weight: 600;
    color: var(--marciana-white-70);
    min-width: 100px;
}

.meta-value {
    flex: 1;
}

/* === Pannellum 360 === */
.panorama-container {
    width: 100%;
    height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
    position: relative;
}

.panorama-viewer {
    width: 100%;
    height: 100%;
}

/* Hotspot personalizzati */
.custom-hotspot {
    background-color: var(--marciana-primary);
    border: 3px solid var(--marciana-white);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: transform 0.2s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.custom-hotspot:hover {
    transform: scale(1.2);
}

.custom-hotspot.hotspot-vista {
    background-color: var(--marciana-white);
    border-color: var(--marciana-primary);
}

.hotspot-tooltip {
    background-color: var(--marciana-secondary);
    color: var(--marciana-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-size: calc(13px * var(--text-scale));
    max-width: 200px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hotspot-tooltip img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: var(--spacing-xs);
}

/* === Planimetria Interattiva === */
.planimetria-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.planimetria-svg {
    width: 100%;
    height: auto;
}

.planimetria-pin {
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: var(--marciana-primary);
    border: 2px solid var(--marciana-white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.2s;
    z-index: 10;
}

.planimetria-pin:hover {
    transform: translate(-50%, -50%) scale(1.3);
}

/* === Ricerca === */
.search-container {
    padding: var(--spacing-md);
    background-color: var(--marciana-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
}

.search-input {
    background-color: var(--marciana-light);
    border: none;
    border-radius: 25px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--marciana-white);
    font-size: calc(var(--body-text) * var(--text-scale));
    width: 100%;
}

.search-input::placeholder {
    color: var(--marciana-white-70);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--marciana-primary);
}

/* === Lista elementi === */
.list-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--marciana-secondary);
    border-bottom: 1px solid var(--marciana-light);
    cursor: pointer;
    transition: background-color 0.2s;
}

.list-item:hover {
    background-color: var(--marciana-light);
}

.list-item-image {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-family: var(--font-header);
    font-size: calc(16px * var(--text-scale));
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-item-subtitle {
    font-size: calc(13px * var(--text-scale));
    color: var(--marciana-white-70);
}

.list-item-arrow {
    color: var(--marciana-white-70);
    font-size: 20px;
}

/* === Impostazioni === */
.settings-section {
    padding: var(--spacing-md);
}

.settings-title {
    font-family: var(--font-header);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
    color: var(--marciana-white-70);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: var(--marciana-light);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.settings-item-label {
    font-size: calc(var(--body-text) * var(--text-scale));
}

.settings-item-value {
    color: var(--marciana-white-70);
    font-size: calc(var(--body-text) * var(--text-scale));
}

/* Range slider personalizzato */
.range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--marciana-light);
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--marciana-primary);
    cursor: pointer;
}

.range-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--marciana-primary);
    cursor: pointer;
    border: none;
}

/* === Selezione lingua === */
.language-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--marciana-light);
    transition: background-color 0.2s;
}

.language-item:hover {
    background-color: var(--marciana-light);
}

.language-item.active {
    background-color: var(--marciana-primary);
}

.language-flag {
    font-size: 24px;
}

.language-name {
    flex: 1;
    font-size: calc(16px * var(--text-scale));
}

.language-check {
    color: var(--marciana-white);
    font-size: 20px;
}

/* === Modal Gallery === */
.modal-backdrop {
    z-index: 9998 !important;
}

#galleryModal {
    z-index: 9999 !important;
}

#galleryModal .modal-dialog {
    z-index: 9999;
}

#galleryModal .modal-content {
    background-color: var(--marciana-secondary);
}

#galleryModal .carousel-item {
    height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
}

#galleryModal .carousel-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* === Loading states === */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.skeleton {
    background: linear-gradient(90deg, var(--marciana-light) 25%, var(--marciana-secondary) 50%, var(--marciana-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* === Stato vuoto === */
.empty-state {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--marciana-white-70);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

/* === Responsive adjustments === */
@media (orientation: landscape) {
    .hero-section {
        height: 200px;
    }

    .detail-main-image {
        height: 300px;
    }

    .panorama-container {
        height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
    }
}

/* Totem large screen */
@media (min-width: 1200px) {
    :root {
        --header-height: 70px;
        --bottom-nav-height: 80px;
    }

    .nav-item i {
        font-size: 26px;
    }

    .nav-item span {
        font-size: calc(13px * var(--text-scale));
    }

    .hero-section {
        height: 350px;
    }

    .detail-main-image {
        height: 400px;
    }

    .card-marciana .card-img-top {
        height: 250px;
    }
}

/* === Utilities === */
.text-primary {
    color: var(--marciana-primary) !important;
}

.bg-primary {
    background-color: var(--marciana-primary) !important;
}

.text-muted {
    color: var(--marciana-white-70) !important;
}

.text-marciana-red {
    color: var(--marciana-primary) !important;
}

/* Card opere nella sala */
.card-opera-sala .card-img-top {
    height: 440px;
    object-fit: cover;
    object-position: top center;
}

.card-opera-sala .card-body {
    padding: var(--spacing-sm);
}

.card-opera-sala .card-title {
    font-size: calc(20px * var(--text-scale));
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-opera-sala .card-subtitle {
    font-size: calc(var(--body-text) * var(--text-scale));
    margin-bottom: 0;
}

.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* RTL Support (per arabo) */
[dir="rtl"] .list-item-image {
    margin-right: 0;
    margin-left: var(--spacing-md);
}

[dir="rtl"] .meta-label {
    text-align: right;
}

[dir="rtl"] .btn-back i {
    transform: rotate(180deg);
}

/* === Print (nasconde navigazione) === */
@media print {
    .app-header,
    .bottom-nav,
    .btn-tts {
        display: none !important;
    }

    .page-content {
        overflow: visible;
    }
}

/* ============================================
   NUOVI STILI PHP - Welcome Page + Navbar + Footer
   ============================================ */

/* === Welcome Page === */
.welcome-page {
    overflow: hidden;
}

.welcome-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.welcome-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.welcome-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.8));
}

.welcome-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg);
    max-width: 600px;
}

.welcome-logo img {
    max-width: 150px;
    height: auto;
    margin-bottom: var(--spacing-lg);
}

.welcome-title {
    font-family: var(--font-header);
    font-size: calc(28px * var(--text-scale));
    font-weight: 700;
    color: var(--marciana-white);
    margin-bottom: var(--spacing-sm);
}

.welcome-subtitle {
    font-size: calc(16px * var(--text-scale));
    color: var(--marciana-white-70);
    margin-bottom: var(--spacing-lg);
}

/* Language Grid */
.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 576px) {
    .language-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .language-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background-color: rgba(255,255,255,0.1);
    border-radius: 12px;
    text-decoration: none;
    color: var(--marciana-white);
    transition: all 0.3s;
    min-height: 100px;
}

.language-card:hover {
    background-color: var(--marciana-primary);
    transform: translateY(-4px);
    color: var(--marciana-white);
}

.language-card .language-flag {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.language-card .language-name {
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
}

/* === Navbar Marciana (PHP version) === */
.navbar-marciana {
    height: var(--header-height);
    background-color: var(--marciana-secondary);
    border-bottom: 1px solid var(--marciana-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-sm);
    max-width: 1500px;
    margin-left: auto;
    margin-right: auto;
}

.navbar-logo img {
    height: 40px;
    width: auto;
}

.navbar-title {
    font-family: var(--font-header);
    font-size: calc(18px * var(--text-scale));
    font-weight: 600;
    margin: 0;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 var(--spacing-sm);
}

.btn-back,
.btn-settings {
    background: transparent;
    border: none;
    color: var(--marciana-white);
    font-size: 22px;
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: color 0.2s;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-back:hover,
.btn-settings:hover {
    color: var(--marciana-primary);
}

/* === Selettore Lingua in Navbar === */
.btn-lang-selector {
    background: transparent;
    border: none;
    color: var(--marciana-white);
    font-size: 22px;
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.btn-lang-selector:hover {
    background-color: var(--marciana-light);
}

.btn-lang-selector .fi {
    font-size: 24px;
    border-radius: 4px;
}

.dropdown-menu-lang {
    background-color: var(--marciana-secondary);
    border: 1px solid var(--marciana-light);
    border-radius: 12px;
    padding: var(--spacing-xs);
    min-width: 200px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.lang-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--marciana-white);
    border-radius: 8px;
    transition: all 0.2s;
}

.lang-item:hover,
.lang-item:focus {
    background-color: var(--marciana-light);
    color: var(--marciana-white);
}

.lang-item.active {
    background-color: rgba(163, 46, 54, 0.2);
    color: var(--marciana-primary-light);
}

.lang-item .fi {
    font-size: 20px;
    border-radius: 3px;
    flex-shrink: 0;
}

.lang-item .lang-name {
    flex: 1;
    font-size: calc(var(--body-text) * var(--text-scale));
}

.lang-item .bi-check2 {
    color: var(--marciana-primary);
    font-size: 18px;
}

/* === Main Content (PHP version) === */
.main-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-md));
    padding-left: 30px;
    padding-right: 30px;
    max-width: 1500px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    position: relative;
    z-index: 1;
    isolation: isolate;
}

/* Griglia opere */
.opere-grid {
    isolation: isolate;
}

.opere-grid .row {
    position: relative;
}

.main-content.no-navbar {
    padding-top: 0;
}

/* === Bottom Nav Links === */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

.bottom-nav a.nav-item {
    text-decoration: none;
}

/* === Settings Page === */
.settings-page {
    padding-bottom: var(--spacing-lg);
}

.settings-section-title {
    font-family: var(--font-header);
    font-size: calc(16px * var(--text-scale));
    font-weight: 600;
    color: var(--marciana-white);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
}

.language-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.language-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--marciana-light);
    border: 2px solid transparent;
    border-radius: 8px;
    color: var(--marciana-white);
    font-size: calc(var(--body-text) * var(--text-scale));
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    gap: var(--spacing-md);
}

.language-option:hover {
    border-color: var(--marciana-primary);
}

.language-option.active {
    background-color: rgba(163, 46, 54, 0.2);
    border-color: var(--marciana-primary);
}

.language-option .fi {
    font-size: 24px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: var(--marciana-light);
    border-radius: 8px;
}

.setting-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: calc(var(--body-text) * var(--text-scale));
}

.text-scale-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.text-scale-value {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
}

.info-card {
    background-color: var(--marciana-light);
    border-radius: 8px;
}

/* === TTS Button in pages === */
.tts-btn {
    flex-shrink: 0;
}

.tts-btn.speaking {
    background-color: var(--marciana-primary);
    border-color: var(--marciana-primary);
    color: var(--marciana-white);
}

/* === Vista 360 selector === */
.vista-selector {
    position: sticky;
    /*top: var(--header-height);*/
    z-index: 50;
}

/* Vista 360 preview card */
.vista360-preview {
    position: relative;
    overflow: hidden;
}

.vista360-preview .card-img-top {
    height: 180px;
    object-fit: cover;
}

.vista360-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.vista360-icon i {
    font-size: 24px;
    color: var(--marciana-white);
}

.card-marciana:hover .vista360-icon {
    background-color: var(--marciana-primary);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Planimetria 360 interattiva */
.planimetria-360-container {
    width: 100%;
    height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #fff;
    touch-action: manipulation; /* Disabilita zoom su touch */
    user-select: none;
}

.planimetria-360-wrapper {
    position: relative;
    /* Ruota di 90° */
    transform: rotate(90deg);
    transform-origin: center center;
    /* Rimpicciolisci per non sbordare */
    max-width: calc(100vh - var(--header-height) - var(--bottom-nav-height) - 120px);
}

.planimetria-360-img {
    width: 100%;
    height: auto;
    display: block;
}

.planimetria-placeholder {
    width: 300px;
    height: 500px;
    background-color: #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
}

.planimetria-placeholder i {
    font-size: 48px;
    margin-bottom: 10px;
}

/* Pin sulla planimetria */
.planimetria-360-pin {
    position: absolute;
    text-decoration: none;
    z-index: 20;
    /* Centra e controruota -90° per rimanere dritto */
    transform: translate(-50%, -50%) rotate(-90deg);
}

.planimetria-360-pin .pin-dot {
    width: 40px;
    height: 40px;
    background-color: var(--marciana-primary);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    display: block;
}

.planimetria-360-pin .pin-label {
    display: none;
}

/* Hint zoom - nascosto */
.planimetria-hint {
    display: none;
}

/* === Fix body scroll with fixed bottom nav === */
body {
    display: flex;
    flex-direction: column;
}

/* === Lista Sale === */
.sale-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.sala-list-item {
    display: flex;
    align-items: stretch;
    background-color: var(--marciana-light);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: var(--marciana-white);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sala-list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--marciana-white);
}

.sala-list-image {
    flex-shrink: 0;
    width: 180px;
    min-height: 140px;
}

.sala-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sala-list-content {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.sala-list-title {
    font-family: var(--font-header);
    font-size: calc(20px * var(--text-scale));
    font-weight: 600;
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--marciana-white);
}

.sala-list-description {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    color: var(--marciana-white-70);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sala-list-meta {
    font-size: calc(16px * var(--text-scale));
    color: var(--marciana-primary-light);
    font-weight: 600;
}

.sala-list-arrow {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    color: var(--marciana-white-70);
    font-size: 20px;
}

/* Responsive lista sale */
@media (max-width: 575px) {
    .sala-list-image {
        width: 120px;
        min-height: 120px;
    }

    .sala-list-title {
        font-size: calc(17px * var(--text-scale));
    }

    .sala-list-description {
        -webkit-line-clamp: 2;
    }
}

@media (min-width: 768px) {
    .sala-list-image {
        width: 220px;
        min-height: 160px;
    }
}

@media (min-width: 1200px) {
    .sala-list-image {
        width: 280px;
        min-height: 180px;
    }
}

/* === Layout Dettaglio Opera === */
.opera-detail-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

@media (min-width: 992px) {
    .opera-detail-layout {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* Colonna Galleria */
.opera-gallery-col {
    flex-shrink: 0;
}

@media (min-width: 992px) {
    .opera-gallery-col {
        width: 45%;
        max-width: 550px;
    }
}

.opera-main-image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--marciana-secondary);
}

.opera-main-image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    cursor: pointer;
    display: block;
}

@media (min-width: 992px) {
    .opera-main-image {
        max-height: 600px;
    }
}

.opera-thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
}

.opera-thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.2s;
    flex-shrink: 0;
}

.opera-thumb:hover {
    opacity: 0.8;
}

.opera-thumb.active {
    opacity: 1;
    outline: 2px solid var(--marciana-primary);
    outline-offset: 2px;
}

/* Colonna Contenuto */
.opera-content-col {
    flex: 1;
    min-width: 0;
}

.opera-title {
    font-family: var(--font-header);
    /*font-size: calc(26px * var(--text-scale));*/
    font-weight: 700;
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--marciana-white);
    line-height: 1.3;
}

.opera-author {
    font-size: calc(20px * var(--text-scale));
    color: var(--marciana-primary);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 500;
}

.opera-description {
    font-family: var(--font-body);
    font-size: calc(var(--body-text) * var(--text-scale));
    line-height: 1.7;
    color: var(--marciana-white);
    margin-bottom: var(--spacing-lg);
}

.opera-description p {
    margin-bottom: var(--spacing-md);
}

.opera-meta {
    background-color: var(--marciana-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.opera-meta-item {
    display: flex;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.opera-meta-item:last-child {
    border-bottom: none;
}

.opera-meta-label {
    font-weight: 600;
    color: var(--marciana-white-70);
    min-width: 120px;
    font-size: calc(var(--body-text) * var(--text-scale));
}

.opera-meta-value {
    flex: 1;
    font-size: calc(var(--body-text) * var(--text-scale));
}

.opera-meta-value a {
    text-decoration: none;
}

.opera-meta-value a:hover {
    text-decoration: underline;
}

/* === Sezione Altre Opere === */
.altre-opere-section {
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--marciana-light);
}

.altre-opere-title {
    font-family: var(--font-header);
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--marciana-white);
}

.altre-opere-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 576px) {
    .altre-opere-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 992px) {
    .altre-opere-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1400px) {
    .altre-opere-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.altra-opera-card {
    display: block;
    text-decoration: none;
    background-color: var(--marciana-light);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.altra-opera-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.altra-opera-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: top;
}

@media (min-width: 992px) {
    .altra-opera-card img {
        height: 280px;
    }
}

.altra-opera-info {
    padding: var(--spacing-sm);
}

.altra-opera-info h4 {
    font-family: var(--font-header);
    font-size: calc(var(--body-text) * var(--text-scale));
    font-weight: 600;
    margin: 0;
    color: var(--marciana-white);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}