/* Reset e variabili CSS */
.stencil-ar-app {
    --ar-primary: #6366f1;
    --ar-primary-dark: #4f46e5;
    --ar-primary-light: #818cf8;
    --ar-secondary: #f59e0b;
    --ar-success: #10b981;
    --ar-danger: #ef4444;
    --ar-bg-primary: #ffffff;
    --ar-bg-secondary: #f9fafb;
    --ar-bg-tertiary: #f3f4f6;
    --ar-text-primary: #111827;
    --ar-text-secondary: #6b7280;
    --ar-text-tertiary: #9ca3af;
    --ar-border: #e5e7eb;
    --ar-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --ar-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --ar-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --ar-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --ar-radius-sm: 0.375rem;
    --ar-radius-md: 0.5rem;
    --ar-radius-lg: 0.75rem;
    --ar-radius-xl: 1rem;
    --ar-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--ar-text-primary);
    line-height: 1.5;
}

.stencil-ar-app * {
    box-sizing: border-box;
}

/* Hero Section */
.ar-hero-section {
    position: relative;
    text-align: center;
    padding: 1rem 2rem;
    margin-bottom: 3rem;
    overflow: hidden;
}

.ar-hero-title {
    position: relative;
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 1rem;
    line-height: 1.2;
}

.ar-text-gradient {
    background: linear-gradient(135deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.ar-text-highlight {
    color: #000;
    display: block;
}

.ar-upload-content{
    text-align: center;
}

.ar-hero-subtitle {
    font-size: 1.125rem;
    color: #000;
    margin: 0;
    max-width: 600px;
    margin: 0 auto;
}

/* Upload Container */
.ar-upload-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.ar-upload-card {
    background: var(--ar-bg-primary);
    border-radius: var(--ar-radius-xl);
    box-shadow: var(--ar-shadow-lg);
    overflow: hidden;
    margin-bottom: 3rem;
}

.ar-upload-area {
    position: relative;
    padding: 0.5rem 2rem;
    border: 2px dashed var(--ar-border);
    border-radius: var(--ar-radius-xl);
    margin: 2rem;
    cursor: pointer;
    transition: var(--ar-transition);
    background: var(--ar-bg-secondary);
    display: grid;
    justify-content: center;
}

.ar-upload-area:hover {
    border-color: var(--ar-primary-light);
    background: var(--ar-bg-tertiary);
}

.ar-upload-area.dragover {
    border-color: var(--ar-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.1) 100%);
    transform: scale(1.02);
}

.ar-upload-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.ar-upload-icon {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    border-radius: 50%;
    color: white;
    z-index: 2;
}

.ar-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--ar-primary);
    opacity: 0.3;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.ar-upload-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ar-text-primary);
    margin: 0 0 0.5rem;
}

.ar-upload-text {
    font-size: 1rem;
    color: var(--ar-text-secondary);
    margin: 0 0 1.5rem;
}

.ar-upload-link {
    color: var(--ar-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
}

.ar-upload-formats {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.ar-format-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--ar-bg-tertiary);
    color: var(--ar-text-secondary);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Preview Section */
.ar-preview-section {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ar-preview-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
    border-radius: var(--ar-radius-lg);
    overflow: hidden;
    box-shadow: var(--ar-shadow-md);
}

.ar-preview-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--ar-bg-tertiary);
}

.ar-preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--ar-transition);
}

.ar-preview-container:hover .ar-preview-overlay {
    opacity: 1;
}

.ar-preview-remove {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ar-transition);
    color: var(--ar-danger);
}

.ar-preview-remove:hover {
    background: white;
    transform: scale(1.1);
}

.ar-file-details {
    text-align: center;
    padding: 0 2rem;
}

.ar-file-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ar-text-primary);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.ar-file-size {
    font-size: 0.875rem;
    color: var(--ar-text-secondary);
}

/* Progress Bar */
.ar-progress-bar {
    height: 4px;
    background: var(--ar-bg-tertiary);
    position: relative;
    overflow: hidden;
}

.ar-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.ar-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Action Buttons */
.ar-actions {
    padding: 2rem;
    background: var(--ar-bg-secondary);
    text-align: center;
}

.ar-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: var(--ar-radius-lg);
    cursor: pointer;
    transition: var(--ar-transition);
    overflow: hidden;
}

.ar-button-primary {
    background: linear-gradient(135deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.ar-button-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.ar-button-primary:active:not(:disabled) {
    transform: translateY(0);
}

.ar-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.ar-button-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 2;
}

.ar-button-icon {
    animation: pulse-icon 2s infinite;
    font-size: 1.5rem;
}

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

.ar-button-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    border-radius: var(--ar-radius-lg);
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
}

.ar-button-primary:hover:not(:disabled) .ar-button-glow {
    opacity: 0.5;
}

/* Compatibility Section */
.ar-compatibility {
    padding: 1.5rem 2rem;
    background: var(--ar-bg-tertiary);
    border-top: 1px solid var(--ar-border);
}

.ar-compat-checking {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--ar-text-secondary);
}

.ar-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--ar-border);
    border-top-color: var(--ar-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ar-compat-success {
    color: var(--ar-success);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
}

.ar-compat-error {
    color: var(--ar-danger);
    text-align: center;
}

/* Share Buttons */
.ar-share-container {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ar-border);
}

.ar-share-container p {
    margin: 0 0 1rem;
    color: var(--ar-text-secondary);
    font-size: 0.875rem;
}

.ar-share-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    margin: 0.25rem;
    border: none;
    border-radius: var(--ar-radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ar-transition);
    text-decoration: none;
    color: white;
}

.ar-whatsapp-button {
    background: #25D366;
}

.ar-whatsapp-button:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.ar-copy-button {
    background: var(--ar-primary);
}

.ar-copy-button:hover {
    background: var(--ar-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.ar-share-button:active {
    transform: translateY(0);
}

/* Features Grid */
.ar-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.ar-feature-card {
    background: var(--ar-bg-primary);
    padding: 2rem;
    border-radius: var(--ar-radius-lg);
    text-align: center;
    box-shadow: var(--ar-shadow-md);
    transition: var(--ar-transition);
}

.ar-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ar-shadow-xl);
}

.ar-feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.ar-feature-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ar-text-primary);
    margin: 0 0 0.5rem;
}

.ar-feature-card p {
    font-size: 0.875rem;
    color: var(--ar-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* AR Viewer Container */
.ar-viewer-container {
    position: fixed;
    inset: 0;
    background: black;
    z-index: 9999;
}

#ar-canvas-container {
    width: 100%;
    height: 100%;
}

/* AR Controls Overlay */
.ar-controls-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10000;
    opacity: 1;
}

.ar-controls-overlay > * {
    pointer-events: auto;
}

.ar-top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
}

.ar-control-button {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ar-transition);
    font-size: 24px;
}

.ar-control-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.ar-exit-button {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
}

.ar-exit-button:hover {
    background: rgba(239, 68, 68, 0.3);
}

.ar-status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 9999px;
    color: white;
    font-size: 0.875rem;
}

.ar-status-dot {
    width: 8px;
    height: 8px;
    background: var(--ar-success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

/* AR Bottom Controls */
.ar-bottom-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ar-control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ar-control-btn {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ar-transition);
    position: relative;
    font-size: 24px;
}

.ar-control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.ar-control-btn:active {
    transform: scale(0.95);
}

.ar-control-primary {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--ar-primary) 0%, var(--ar-primary-dark) 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.5);
}

.ar-control-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.7);
}

.ar-control-primary.ar-button-ready {
    animation: pulse-ready 1.5s ease-in-out infinite;
    background: linear-gradient(135deg, var(--ar-success) 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.5);
}

@keyframes pulse-ready {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(16, 185, 129, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(16, 185, 129, 0.7);
    }
}

/* Surface type indicator */
.ar-surface-indicator {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 9999px;
    color: white;
    font-size: 0.875rem;
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ar-surface-indicator.horizontal {
    border-color: rgba(16, 185, 129, 0.5);
    color: #10b981;
}

.ar-surface-indicator.vertical {
    border-color: rgba(99, 102, 241, 0.5);
    color: #818cf8;
}

/* Tooltips */
.ar-control-btn[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.75rem;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    font-size: 0.75rem;
    border-radius: 0.375rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.ar-control-btn[data-tooltip]:hover::before {
    opacity: 1;
}

/* Tutorial Overlay */
.ar-tutorial-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ar-tutorial-content {
    max-width: 400px;
    width: 90%;
    text-align: center;
    padding-bottom: 100px;
}
.ar-logo-container {
    position: absolute;
    top: 0;
    left: 0;
}
.ar-tutorial-skip {
    position: fixed;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2.5rem;
    background: white;
    color: var(--ar-text-primary);
    border: none;
    border-radius: 50px;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    z-index: 100001;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.ar-tutorial-skip:hover {
    transform: translateX(-50%) translateY(-2px) scale(1.05);
    box-shadow: 0 6px 30px rgba(255, 255, 255, 0.5);
}

.ar-tutorial-skip:active {
    transform: translateX(-50%) translateY(0) scale(0.98);
}

.ar-tutorial-step {
    background: rgba(255, 255, 255, 0.98);
    padding: 3rem 2rem;
    border-radius: var(--ar-radius-xl);
    animation: slideUp 0.5s ease-out;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ar-tutorial-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.ar-tutorial-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ar-text-primary);
    margin: 0 0 0.5rem;
}

.ar-tutorial-step p {
    font-size: 1rem;
    color: var(--ar-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Desktop Warning Modal */
.ar-desktop-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
}

.ar-desktop-modal.show {
    opacity: 1;
}

.ar-modal-content {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.ar-desktop-modal.show .ar-modal-content {
    transform: scale(1);
}

.ar-modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.ar-modal-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--ar-text-primary);
}

.ar-modal-content p {
    font-size: 1.125rem;
    color: var(--ar-text-secondary);
    margin: 0 0 2rem;
}

.ar-modal-content .ar-share-container {
    background: var(--ar-bg-secondary);
    padding: 1.5rem;
    border-radius: var(--ar-radius-lg);
    margin: 1.5rem 0;
}

.ar-modal-content .ar-share-container p {
    margin: 0 0 1rem;
    font-size: 1rem;
}

.ar-modal-close {
    padding: 0.75rem 2rem;
    background: var(--ar-primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ar-transition);
}

.ar-modal-close:hover {
    background: var(--ar-primary-dark);
    transform: translateY(-2px);
}

/* Custom AR Start Button */
.ar-start-session-button {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: none;
    border-radius: 100px;
    padding: 1.5rem 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
    animation: slideUpBounce 0.8s ease-out;
    z-index: 1000;
    min-width: 300px;
}

@keyframes slideUpBounce {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(100px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.ar-start-session-button:hover {
    transform: translateX(-50%) scale(1.05) translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.5);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.ar-start-session-button:active {
    transform: translateX(-50%) scale(0.98);
}

.ar-start-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ar-start-icon {
    animation: bounce 2s ease-in-out infinite;
    font-size: 40px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.ar-start-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.ar-start-subtext {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Notification styles */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .ar-hero-title {
        font-size: 2rem;
    }
    .ar-logo-container {
        position: relative;
        display: block;
        left: 50%;
        transform: translateX(-50%);
        margin: 0 auto;


    }
    .ar-hero-subtitle {
        font-size: 1rem;
    }

    .ar-features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .ar-upload-area {
        padding: 2rem 1rem;
        margin: 1rem;
    }

    .ar-bottom-controls {
        bottom: 1rem;
        padding: 0.75rem;
        gap: 0.5rem;
        width: calc(100% - 2rem);
        max-width: 400px;
    }

    .ar-control-btn {
        width: 48px;
        height: 48px;
    }

    .ar-control-primary {
        width: 60px;
        height: 60px;
    }
    
    .ar-tutorial-skip {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        bottom: 20px;
    }
}

/* Previeni zoom su mobile durante input */
@media (max-width: 768px) {
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* Ottimizzazioni per performance mobile */
@media (max-width: 768px) and (hover: none) {
    .ar-upload-area:hover {
        border-color: var(--ar-border);
        background: var(--ar-bg-secondary);
    }
    
    .ar-feature-card:hover {
        transform: none;
        box-shadow: var(--ar-shadow-md);
    }
    
    .ar-button:hover:not(:disabled) {
        transform: none;
    }
}

/* Loading states */
.ar-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Success animation */
@keyframes success-bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.ar-success-animation {
    animation: success-bounce 0.5s ease;
}