/* ============================
   VARIABILI E RESET
   ============================ */
:root {
    /* Palette Egizia */
    --color-gold: #D4AF37;
    --color-gold-light: #F4E5B1;
    --color-gold-dark: #B8941F;
    --color-sand: #E8D7B9;
    --color-papyrus: #F5EFE0;
    --color-turquoise: #30D5C8;
    --color-lapis: #2C5F8D;
    --color-dark-stone: #3A3226;
    --color-shadow: rgba(58, 50, 38, 0.2);
    
    /* Tipografia */
    --font-display: 'Cinzel', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spaziature */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transizioni */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--color-papyrus) 0%, var(--color-sand) 100%);
    color: var(--color-dark-stone);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================
   HEADER
   ============================ */
#main-header {
    background: linear-gradient(90deg, var(--color-gold-dark) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: 0 4px 15px var(--color-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--color-gold-light);
}

.header-content .logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.header-content .subtitle {
    font-size: 1rem;
    font-weight: 300;
    margin-top: var(--spacing-xs);
    opacity: 0.95;
    letter-spacing: 1px;
}

/* ============================
   PROGRESS BAR
   ============================ */
#progress-container {
    position: sticky;
    top: 0;
    width: 100%;
    height: 5px;
    background: rgba(212, 175, 55, 0.2);
    z-index: 99;
}

#progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-turquoise) 100%);
    transition: width var(--transition-slow);
}

/* ============================
   MAIN CONTAINER
   ============================ */
#app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: calc(100vh - 200px);
}

/* ============================
   SCREENS
   ============================ */
.screen {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn var(--transition-slow) forwards;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================
   HOME SCREEN
   ============================ */
.home-content {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
    border: 3px solid var(--color-gold-light);
}

.infographic-container {
    margin: var(--spacing-lg) 0;
    max-width: 100%;
}

.infographic-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--color-shadow);
    border: 2px solid var(--color-gold);
}

.edition-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-gold-dark);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    font-weight: 700;
}

.home-description {
    font-size: 1.1rem;
    color: var(--color-dark-stone);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.home-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.home-buttons .btn-primary,
.home-buttons .btn-secondary {
    min-width: 200px;
}

/* ============================
   TIMELINE/MAPPA SCREEN
   ============================ */
.timeline-screen {
    background: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
}

.timeline-container {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid var(--color-gold);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-gold-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.timeline-subtitle {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-lapis);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.timeline-description {
    font-size: 1.05rem;
    color: var(--color-dark-stone);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-map-container {
    margin: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-papyrus);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--color-shadow);
}

.timeline-map {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
    border: 3px solid var(--color-gold);
}

.timeline-legend {
    background: var(--color-papyrus);
    padding: var(--spacing-lg);
    border-radius: 10px;
    margin: var(--spacing-xl) 0;
    border-left: 4px solid var(--color-turquoise);
}

.timeline-legend h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-lapis);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.timeline-legend h4 i {
    color: var(--color-gold);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--color-gold-light);
    transition: all var(--transition-normal);
}

.legend-item:hover {
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-shadow);
}

.legend-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: white;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(212, 175, 55, 0.4);
}

.legend-text strong {
    display: block;
    color: var(--color-lapis);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.legend-text p {
    font-size: 0.9rem;
    color: var(--color-dark-stone);
    line-height: 1.5;
    margin: 0;
}

.timeline-info-box {
    background: linear-gradient(135deg, var(--color-lapis) 0%, var(--color-turquoise) 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 10px;
    margin: var(--spacing-xl) 0;
    box-shadow: 0 5px 20px rgba(44, 95, 141, 0.3);
}

.timeline-info-box h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.timeline-info-box h4 i {
    color: var(--color-gold-light);
}

.timeline-info-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.timeline-info-box li {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
}

.timeline-info-box li strong {
    font-weight: 700;
    color: var(--color-gold-light);
}

/* ============================
   AUDIO PLAYERS
   ============================ */
.audio-player-container {
    margin: var(--spacing-lg) auto;
    max-width: 600px;
    text-align: center;
}

.audio-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-turquoise) 0%, var(--color-lapis) 100%);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(44, 95, 141, 0.4);
}

.audio-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 95, 141, 0.6);
}

.audio-btn:active {
    transform: translateY(0);
}

.audio-btn.playing {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.audio-btn.playing:hover {
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.audio-btn i {
    font-size: 1.2rem;
}

.audio-btn.playing i::before {
    content: "\f04c"; /* pause icon */
}

.audio-controls {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.audio-progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.audio-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-turquoise) 100%);
    border-radius: 3px;
    transition: width 0.1s linear;
}

.audio-time {
    font-size: 0.9rem;
    color: var(--color-dark-stone);
    font-weight: 600;
}

/* Audio in Epilogo */
.audio-epilogue .audio-controls {
    background: rgba(255, 255, 255, 0.15);
}

.audio-epilogue .audio-time {
    color: white;
}

.audio-epilogue .audio-progress-container {
    background: rgba(255, 255, 255, 0.25);
}

/* ============================
   ACT INTRO SCREENS
   ============================ */
.act-intro {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
    border-left: 8px solid var(--color-gold);
}

.act-header {
    margin-bottom: var(--spacing-xl);
}

.act-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-gold-dark);
    background: var(--color-gold-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.act-title {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-lapis);
    font-weight: 700;
    margin: var(--spacing-md) 0;
    letter-spacing: 3px;
}

.act-quote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-dark-stone);
    line-height: 1.8;
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-gold);
    border-right: 4px solid var(--color-gold);
    background: var(--color-papyrus);
}

.act-nav {
    margin-top: var(--spacing-xl);
}

/* ============================
   OPERA SCREENS
   ============================ */
.opera-screen {
    background: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
}

.opera-container {
    max-width: 700px;
    margin: 0 auto;
}

.opera-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gold-light);
}

.opera-number {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--color-gold-dark);
    background: var(--color-gold-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 15px;
    font-weight: 600;
    letter-spacing: 1px;
}

.opera-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-lapis);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-weight: 700;
}

.opera-period {
    font-size: 1rem;
    color: var(--color-gold-dark);
    font-weight: 600;
}

.opera-image-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
    background: var(--color-dark-stone);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--color-shadow);
}

.opera-image {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.4);
    border: 3px solid var(--color-gold);
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.opera-image:hover {
    transform: scale(1.02);
}

.opera-content .section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-papyrus);
    border-radius: 10px;
    border-left: 4px solid var(--color-turquoise);
}

.opera-content .section h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-lapis);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.opera-content .section h4 i {
    color: var(--color-gold);
}

.opera-content .section p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-dark-stone);
}

.key-idea {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    color: var(--color-dark-stone);
    padding: var(--spacing-md);
    border-radius: 10px;
    font-size: 1.1rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    margin-top: var(--spacing-lg);
}

.key-idea i {
    color: white;
    margin-right: var(--spacing-sm);
    font-size: 1.3rem;
}

.key-idea strong {
    font-weight: 700;
}

/* ============================
   QUESTION SCREENS
   ============================ */
.question-screen {
    background: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
    border-top: 6px solid var(--color-turquoise);
}

.question-container {
    max-width: 700px;
    margin: 0 auto;
}

.question-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-lapis);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.question-text {
    font-size: 1.3rem;
    color: var(--color-dark-stone);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    font-weight: 500;
}

.question-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.option-btn {
    background: var(--color-papyrus);
    border: 2px solid var(--color-gold-light);
    padding: var(--spacing-md);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-dark-stone);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.option-btn i {
    font-size: 2rem;
    color: var(--color-gold);
    transition: transform var(--transition-normal);
}

.option-btn:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--color-shadow);
}

.option-btn:hover i {
    transform: scale(1.2);
}

.option-btn.selected {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    border-color: var(--color-gold-dark);
    color: white;
    font-weight: 600;
}

.option-btn.selected i {
    color: white;
}

.text-input-container {
    margin-bottom: var(--spacing-xl);
}

.text-input-container label {
    display: block;
    font-size: 1rem;
    color: var(--color-lapis);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.text-input-container input,
.text-input-container textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gold-light);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-dark-stone);
    background: var(--color-papyrus);
    transition: border-color var(--transition-normal);
}

.text-input-container input:focus,
.text-input-container textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

/* ============================
   EPILOGUE SCREEN
   ============================ */
.epilogue-screen {
    background: linear-gradient(135deg, var(--color-lapis) 0%, var(--color-turquoise) 100%);
    color: white;
    border-radius: 15px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px var(--color-shadow);
    text-align: center;
}

.epilogue-container {
    max-width: 700px;
    margin: 0 auto;
}

.epilogue-title {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 2px;
}

.epilogue-text {
    font-size: 1.5rem;
    line-height: 2;
    margin: var(--spacing-sm) 0;
}

.epilogue-text.emphasis {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gold-light);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.epilogue-decoration {
    font-size: 4rem;
    color: var(--color-gold-light);
    margin: var(--spacing-xl) 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.summary-section {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    backdrop-filter: blur(10px);
}

.summary-section h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

#answers-summary {
    text-align: left;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.answer-item {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    border-left: 3px solid var(--color-gold-light);
}

.answer-item strong {
    display: block;
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-xs);
}

/* ============================
   BUTTONS
   ============================ */
.btn-primary,
.btn-secondary,
.btn-nav {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-lapis) 0%, var(--color-turquoise) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(44, 95, 141, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 95, 141, 0.6);
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn-nav {
    flex: 1;
    min-width: 150px;
    justify-content: center;
    background: var(--color-gold-light);
    color: var(--color-dark-stone);
    border: 2px solid var(--color-gold);
}

.btn-nav:hover {
    background: var(--color-gold);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-shadow);
}

.btn-back {
    background: var(--color-papyrus);
    border-color: var(--color-gold-light);
}

.btn-back:hover {
    background: var(--color-sand);
}

/* ============================
   FOOTER
   ============================ */
#main-footer {
    background: var(--color-dark-stone);
    color: var(--color-gold-light);
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 3px solid var(--color-gold);
}

#main-footer p {
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */
@media (max-width: 768px) {
    .header-content .logo {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }
    
    .header-content .subtitle {
        font-size: 0.85rem;
    }
    
    .edition-title {
        font-size: 1.5rem;
    }
    
    .home-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .home-buttons .btn-primary,
    .home-buttons .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .timeline-title {
        font-size: 1.8rem;
    }
    
    .timeline-subtitle {
        font-size: 1.2rem;
    }
    
    .timeline-map-container {
        padding: var(--spacing-sm);
    }
    
    .legend-grid {
        grid-template-columns: 1fr;
    }
    
    .act-title {
        font-size: 2rem;
    }
    
    .act-quote {
        font-size: 1.1rem;
    }
    
    .opera-title {
        font-size: 1.5rem;
    }
    
    .opera-image-container {
        padding: var(--spacing-md);
    }
    
    .opera-image {
        max-height: 350px;
    }
    
    .question-options {
        grid-template-columns: 1fr;
    }
    
    .navigation-buttons {
        flex-direction: column;
    }
    
    .btn-nav {
        width: 100%;
    }
    
    .epilogue-title {
        font-size: 2rem;
    }
    
    .epilogue-text {
        font-size: 1.2rem;
    }
    
    .epilogue-text.emphasis {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    #app-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .home-content,
    .act-intro,
    .opera-screen,
    .question-screen,
    .epilogue-screen {
        padding: var(--spacing-md);
    }
    
    .header-content .logo {
        font-size: 1.2rem;
    }
    
    .opera-image-container {
        padding: var(--spacing-sm);
    }
    
    .opera-image {
        max-height: 250px;
        border-width: 2px;
    }
    
    .audio-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .audio-btn span {
        font-size: 0.85rem;
    }
}

/* ============================
   ANIMATIONS
   ============================ */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInFromLeft var(--transition-slow) forwards;
}

.slide-in-right {
    animation: slideInFromRight var(--transition-slow) forwards;
}

/* ============================
   UTILITIES
   ============================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ============================
   ACCESSIBILITÀ
   ============================ */
:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}