/* ========== RESET E BASE ========== */
* {
    margin: 0;
    box-sizing: border-box;
}

/* Skip link for accessibility and SEO */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    font-size: 14px;
    border-radius: 4px;
    z-index: 1000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

:root {
    /* Colori principali */
    --primary-color: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #3730a3;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Colori neutri */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Colori per le app */
    --bingo-color: #ef4444;
    --bingo-light: #fef2f2;
    --design-color: #8b5cf6;
    --design-light: #f5f3ff;
    --random-color: #10b981;
    --random-light: #ecfdf5;
    --timer-color: #f97316;
    --timer-light: #fff7ed;
    --textcleaner-color: #d946ef;
    --textcleaner-light: #fdf4ff;
    --password-color: #85f65c;
    --password-light: #f5f3ff;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px;
    --card-padding: 24px;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Animations */
    --transition: 0.3s ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========== LANGUAGE SELECTOR ========== */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.language-container {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.language-toggle:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow);
}

.flag-icon {
    font-size: 16px;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
}

.language-toggle.open .dropdown-arrow {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
}

.language-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: none;
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: left;
}

.language-option:first-child {
    border-radius: 8px 8px 0 0;
}

.language-option:last-child {
    border-radius: 0 0 8px 8px;
}

.language-option:hover {
    background: var(--gray-50);
}

.language-option.active {
    background: var(--primary-color);
    color: white;
}

/* ========== HERO SECTION ========== */
.hero-section {
    min-height: 50vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 60px 0 40px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 20px;
}


.hero-badge span {
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-highlight {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
    margin: 0 auto 32px;
}

.hero-actions {
    margin-top: 16px;
}

/* Hero Controls */
.hero-controls {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-controls .search-container {
    width: 100%;
    max-width: 500px;
}

.hero-controls .search-box {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    transition: all var(--transition);
}

.hero-controls .search-box:focus-within {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.hero-controls .search-icon {
    color: rgba(255, 255, 255, 0.8);
}

.hero-controls #search-input {
    color: white;
    background: transparent;
}

.hero-controls #search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.hero-controls .search-clear {
    color: rgba(255, 255, 255, 0.6);
}

.hero-controls .search-clear:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.hero-controls .category-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 600px;
}

.hero-controls .filter-btn {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 16px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.hero-controls .filter-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.hero-controls .filter-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-explore-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    color: var(--primary-dark);
    padding: 12px 20px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-explore-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.hero-explore-btn:active {
    transform: translateY(-1px) scale(0.995);
}


/* ========== APPS SECTION ========== */
.apps-section {
    padding: 60px 0;
    background: var(--white);
}

.apps-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
}

/* ========== APPS CONTROLS ========== */
.apps-controls {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.search-container {
    width: 100%;
    max-width: 600px;
    position: relative;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-icon {
    font-size: 1.2rem;
    margin-right: 12px;
    color: var(--gray-500);
}

#search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    color: var(--gray-800);
    background: transparent;
}

#search-input::placeholder {
    color: var(--gray-500);
}

.search-clear {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: all var(--transition);
    opacity: 0;
    visibility: hidden;
}

.search-clear.visible {
    opacity: 1;
    visibility: visible;
}

.search-clear:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Category Filters */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 800px;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    color: var(--gray-700);
    border: 2px solid transparent;
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.filter-icon {
    font-size: 1.1rem;
}

.filter-text {
    font-weight: 600;
}

/* Filter animations */
.apps-grid .app-card {
    animation: fadeInUp 0.6s ease-out;
}

.apps-grid .app-card:nth-child(1) { animation-delay: 0.1s; }
.apps-grid .app-card:nth-child(2) { animation-delay: 0.2s; }
.apps-grid .app-card:nth-child(3) { animation-delay: 0.3s; }
.apps-grid .app-card:nth-child(4) { animation-delay: 0.4s; }
.apps-grid .app-card:nth-child(5) { animation-delay: 0.5s; }
.apps-grid .app-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

/* ========== APP CARDS ========== */
.app-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: var(--radius-lg);
    padding: var(--card-padding);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all var(--transition);
}

.featured-app::before {
    background: linear-gradient(90deg, var(--bingo-color), #fbbf24);
}

.popular-app::before {
    background: linear-gradient(90deg, var(--design-color), #a855f7);
}

.new-app::before {
    background: linear-gradient(90deg, var(--random-color), #34d399);
}

.trending-app::before {
    background: linear-gradient(90deg, var(--timer-color), #fb923c);
}

.utility-app::before {
    background: linear-gradient(90deg, var(--textcleaner-color), #c084fc);
}

.app-status {
    margin-bottom: 16px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.featured {
    background: var(--bingo-light);
    color: var(--bingo-color);
}

.status-badge.popular {
    background: var(--design-light);
    color: var(--design-color);
}

.status-badge.new {
    background: var(--random-light);
    color: var(--random-color);
}

.status-badge.trending {
    background: var(--timer-light);
    color: var(--timer-color);
}

.status-badge.utility {
    background: var(--textcleaner-light);
    color: var(--textcleaner-color);
}

.app-icon {
    margin-bottom: 20px;
}

.icon-container {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}

/* Icon styles are now generated dynamically via /api/apps-styles.css */

.app-content {
    margin-bottom: 24px;
}

.app-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.app-description {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.feature-pill {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.app-category {
    display: flex;
    align-items: center;
}

.category-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.category-tag.games {
    background: var(--bingo-light);
    color: var(--bingo-color);
}

.category-tag.design {
    background: var(--design-light);
    color: var(--design-color);
}

.category-tag.utilities {
    background: var(--random-light);
    color: var(--random-color);
}

.category-tag.productivity {
    background: var(--timer-light);
    color: var(--timer-color);
}

.category-tag.security {
    background: var(--password-light);
    color: var(--password-color);
}

.category-tag.tools {
    background: var(--textcleaner-light);
    color: var(--textcleaner-color);
}

.app-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.app-button.primary {
    background: var(--bingo-color);
    color: white;
}

.app-button.primary:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.app-button.secondary {
    background: var(--design-color);
    color: white;
}

.app-button.secondary:hover {
    background: #7c3aed;
    transform: translateY(-2px);
}

.app-button.tertiary {
    background: var(--random-color);
    color: white;
}

.app-button.tertiary:hover {
    background: #059669;
    transform: translateY(-2px);
}

.app-button.quaternary {
    background: var(--timer-color);
    color: white;
}

.app-button.quaternary:hover {
    background: #ea580c;
    transform: translateY(-2px);
}

.app-button.fuchsia {
    background: var(--textcleaner-color);
    color: white;
}

.app-button.fuchsia:hover {
    background: #c026d3;
    transform: translateY(-2px);
}

/* ========== EMPTY STATE ========== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 24px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--gray-300);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 24px;
    opacity: 0.7;
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.empty-description {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.reset-filters-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.reset-filters-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ========== PAGINATION ========== */
.pagination-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

.pagination-info {
    color: var(--gray-600);
    font-size: 0.95rem;
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-700);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--gray-100);
}

.pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

.pagination-btn.active:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.pagination-prev,
.pagination-next {
    padding: 0 12px;
}

.pagination-prev svg,
.pagination-next svg {
    stroke-width: 2.5;
}

.pagination-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    color: var(--gray-500);
    font-weight: 600;
    pointer-events: none;
}

/* Mobile responsive */
@media (max-width: 640px) {
    .pagination-wrapper {
        gap: 16px;
        margin-top: 32px;
    }
    
    .pagination-controls {
        gap: 4px;
    }
    
    .pagination-btn {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    
    .pagination-prev,
    .pagination-next {
        padding: 0 8px;
    }
    
    .pagination-ellipsis {
        min-width: 36px;
        height: 36px;
    }
    
    .pagination-info {
        font-size: 0.9rem;
        text-align: center;
    }
}

/* ========== FEATURES SECTION ========== */
.features-section {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.features-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.features-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ========== FOOTER ========== */
.main-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 64px 0 32px;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-brand p {
    line-height: 1.6;
}

.footer-links h4,
.footer-support h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.footer-links ul,
.footer-support ul {
    list-style: none;
}

.footer-links li,
.footer-support li {
    margin-bottom: 8px;
}

.footer-links a,
.footer-support a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-support a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--gray-700);
}

.footer-email {
    margin-top: 12px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-email a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-email a:hover {
    color: white;
    text-decoration: underline;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .language-selector {
        top: 80px; /* Sposta sotto la navigazione */
        right: 15px;
    }
    
    .language-toggle {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .language-text {
        display: none; /* Nasconde il testo, mostra solo la bandiera */
    }
    
    .hero-section {
        min-height: 40vh;
        padding: 40px 0 30px;
    }
    
    .hero-controls {
        margin-top: 24px;
        gap: 16px;
    }
    
    .hero-controls .category-filters {
        gap: 8px;
    }
    
    .hero-controls .filter-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 12px;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }
    
    .apps-section {
        padding: 40px 0;
    }
    
    .section-header {
        margin-bottom: 32px;
    }
    
    .apps-controls {
        gap: 20px;
        margin-bottom: 32px;
    }
    
    .category-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .app-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .features-grid {
        gap: 32px;
    }
    
    .footer-content {
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 48px;
        --card-padding: 20px;
    }
    
    .language-selector {
        top: 70px; /* Ancora più in basso per mobile piccolo */
        right: 10px;
    }
    
    .language-toggle {
        padding: 5px 8px;
        font-size: 12px;
        min-width: 40px;
    }
    
    .language-dropdown {
        right: 0;
        min-width: 120px;
    }

    .hero-badge {
        padding: 10px 20px;
        margin-bottom: 24px;
    }
    
    .hero-section {
        min-height: 35vh;
        padding: 30px 0 20px;
    }
    
    .hero-controls {
        margin-top: 20px;
        gap: 12px;
    }
    
    .hero-controls .search-box {
        padding: 12px 14px;
    }
    
    .hero-controls .category-filters {
        gap: 6px;
    }
    
    .hero-controls .filter-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .apps-section {
        padding: 30px 0;
    }
    
    .search-box {
        padding: 14px 16px;
    }
    
    .category-filters {
        gap: 6px;
    }
    
    .filter-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .apps-grid {
        gap: 20px;
    }
    
    .app-features {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========== LOADING STATES ========== */
.loading-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
}

.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-placeholder p {
    margin-top: 1rem;
    color: var(--gray-600);
    font-size: 1rem;
}

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

/* ========== SYSTEM MODALS ========== */
.system-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.system-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.system-modal {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s ease;
}

.system-modal-overlay.show .system-modal {
    transform: scale(1) translateY(0);
}

.system-modal-header {
    padding: 24px 24px 0 24px;
    text-align: center;
}

.system-modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.system-modal-body {
    padding: 20px 24px;
    text-align: center;
}

.system-modal-body p {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

.system-modal-footer {
    padding: 0 24px 24px 24px;
    text-align: center;
}

.system-modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    min-width: 140px;
}

.system-modal-btn.maintenance {
    background: linear-gradient(45deg, #f97316, #ea580c);
    color: white;
}

.system-modal-btn.maintenance:hover {
    background: linear-gradient(45deg, #ea580c, #dc2626);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.system-modal-btn.notfound {
    background: linear-gradient(45deg, #6366f1, #4f46e5);
    color: white;
}

.system-modal-btn.notfound:hover {
    background: linear-gradient(45deg, #4f46e5, #3730a3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.system-modal-btn.missing {
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: white;
}

.system-modal-btn.missing:hover {
    background: linear-gradient(45deg, #dc2626, #b91c1c);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive design for modals */
@media (max-width: 480px) {
    .system-modal {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    .system-modal-header,
    .system-modal-body,
    .system-modal-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .system-modal-header h3 {
        font-size: 1.25rem;
    }
    
    .system-modal-btn {
        padding: 10px 24px;
        font-size: 0.95rem;
        min-width: 120px;
    }
}

/* ========== CONTACT & DONATION MODALS ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s ease;
}

.modal-overlay.show .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px 24px 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-500);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: 0 24px 24px 24px;
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.btn-primary,
.btn-secondary {
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* Donation Modal Styles */
.donation-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.donation-message p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 12px;
}

.donation-amounts h4 {
    color: var(--gray-800);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.donation-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.donation-btn {
    padding: 16px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: white;
    color: var(--gray-700);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.donation-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.donation-btn.featured {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    color: white;
    border-color: var(--primary-color);
}

.donation-btn.featured:hover {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
    border-color: var(--primary-dark);
}

.custom-amount {
    display: flex;
    gap: 12px;
    align-items: center;
}

.custom-amount input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
}

.custom-amount input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.payment-info {
    background: var(--gray-50);
    padding: 16px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.payment-note {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
    text-align: center;
}

/* Message Toast */
.message-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 300px;
}

.message-toast.show {
    transform: translateX(0);
}

.message-toast.success {
    background: var(--random-color);
}

.message-toast.error {
    background: var(--bingo-color);
}

/* Responsive Design for Modals */
@media (max-width: 640px) {
    .modal-container {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    .modal-header,
    .modal-body {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .modal-header h3 {
        font-size: 1.25rem;
    }
    
    .donation-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .custom-amount {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* ========== LANGUAGE SELECTOR ========== */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.language-container {
    position: relative;
}

.language-toggle {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.language-toggle:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.flag-icon {
    font-size: 16px;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
}

.language-toggle[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    display: none;
}

.language-dropdown.show {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
}

.language-option:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.language-option:not(:last-child) {
    border-bottom: 1px solid var(--gray-100);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .language-selector {
        top: 15px;
        right: 15px;
    }
    
    .language-toggle {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .language-dropdown {
        min-width: 120px;
    }
}

/* ========== ERROR HANDLING ========== */
.error-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--gray-600);
    grid-column: 1 / -1; /* Span all columns in grid */
}

.error-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.7;
}

.error-placeholder p {
    margin: 0 0 20px 0;
    font-size: 16px;
    max-width: 400px;
}

.retry-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.retry-button:hover {
    background: var(--primary-dark);
}

.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--gray-600);
    grid-column: 1 / -1; /* Span all columns in grid */
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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