/* Reset e base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colori professionali */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1d4ed8;
    --success-green: #059669;
    --success-green-light: #10b981;
    --neutral-gray: #6b7280;
    --light-gray: #f3f4f6;
    --medium-gray: #e5e7eb;
    --dark-gray: #374151;
    --white: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #d1d5db;
    --error-red: #dc2626;
    --warning-orange: #ea580c;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    animation: slideDown 0.6s ease-out;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    animation: shimmer 3s infinite;
}

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

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-family), 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Android Emoji', 'EmojiSymbols', 'EmojiOne Mozilla', 'Twemoji Mozilla', 'Segoe UI Symbol', 'Noto Emoji', sans-serif;
}

/* Fix per emoji in Chrome */
.flag-emoji {
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Android Emoji', 'EmojiSymbols', 'EmojiOne Mozilla', 'Twemoji Mozilla', 'Segoe UI Symbol', 'Noto Emoji', sans-serif !important;
    font-size: 1em;
    display: inline-block;
    vertical-align: middle;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 1.2em;
    height: 1.2em;
    margin-right: 0.3em;
}

.subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Input section */
.input-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
}

.input-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, transparent 50%, rgba(37, 99, 235, 0.05) 50%);
    border-radius: 0 0 0 100%;
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.input-header label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.char-counter {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.char-counter.warning {
    color: var(--warning-orange);
    background: #fef3e2;
}

.char-counter.danger {
    color: var(--error-red);
    background: #fef2f2;
}

#text-input {
    width: 100%;
    min-height: 150px;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: vertical;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(to bottom, var(--white) 0%, var(--light-gray) 100%);
}

#text-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1), 0 4px 12px rgba(37, 99, 235, 0.15);
    transform: translateY(-1px);
}

#text-input:hover {
    border-color: var(--primary-blue-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Examples section */
.examples-section {
    margin-bottom: var(--spacing-lg);
}

.examples-section h3 {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.examples {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.example-btn {
    background: var(--light-gray);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.example-btn:hover {
    background: var(--medium-gray);
    color: var(--text-primary);
}

.examples-section {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.examples-actions {
    display: flex;
    justify-content: center;
}

.explanation-btn {
    background: var(--success-green);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.explanation-btn:hover {
    background: var(--success-green-light);
    transform: translateY(-1px);
}

.explanation-btn:before {
    content: "ℹ️";
    font-size: var(--font-size-base);
}

/* Analyze button */
.analyze-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    overflow: hidden;
}

.analyze-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.analyze-btn:hover:not(:disabled)::before {
    left: 100%;
}

.analyze-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.analyze-btn:disabled {
    background: var(--neutral-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.analyze-btn.loading .loading-spinner {
    display: block;
}

.analyze-btn.loading .btn-text {
    opacity: 0;
}

/* Progress section */
.progress-section {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    text-align: center;
    border-left: 4px solid var(--primary-blue);
}

.progress-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.progress-icon {
    font-size: var(--font-size-2xl);
    animation: pulse 2s infinite;
}

.progress-text h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.progress-text p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--success-green));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-timer {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

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

/* Results section */
.results-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: none;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    overflow: hidden;
}

.results-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.05) 50%, transparent 50%);
    border-radius: 0 0 100% 0;
}

.results-section.show {
    display: block;
}

.results-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.results-content {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--success-green);
    margin-bottom: var(--spacing-lg);
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.placeholder {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Results actions */
.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--medium-gray);
    transform: translateY(-1px);
}

/* History section */
.history-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.8s ease-out 0.6s both;
    position: relative;
    overflow: hidden;
}

.history-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 50%, transparent 50%);
    border-radius: 100% 0 0 0;
}

.history-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.history-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
}

.history-item {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-left: 3px solid var(--primary-blue);
}

.history-item:hover {
    background: var(--medium-gray);
}

.history-item h4 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.history-item p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}

.history-item .timestamp {
    font-size: var(--font-size-xs);
    color: var(--neutral-gray);
    margin-top: var(--spacing-xs);
}

.clear-history-btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--error-red);
    color: var(--error-red);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-history-btn:hover {
    background: var(--error-red);
    color: var(--white);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-xl);
}

/* Error message */
.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--error-red);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

.error-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.error-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    margin-left: auto;
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.modal-close:hover {
    background: var(--light-gray);
}

.modal-body {
    padding: var(--spacing-lg);
    flex: 1;
    overflow-y: auto;
}

.privacy-notice {
    margin-bottom: var(--spacing-xl);
}

.privacy-notice h3 {
    color: var(--success-green);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.warning-text {
    background: #fef3c7;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: #d97706;
    font-weight: 500;
}

.app-purpose {
    margin-bottom: var(--spacing-xl);
}

.app-purpose h3 {
    color: var(--primary-blue);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-purpose h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    font-weight: 500;
}

.app-purpose ul {
    list-style: none;
    padding: 0;
}

.app-purpose li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-md);
}

.app-purpose li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.usage-tips {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--success-green);
}

.usage-tips h3 {
    color: var(--success-green);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.usage-tips ul {
    list-style: none;
    padding: 0;
}

.usage-tips li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: calc(var(--spacing-md) + 10px);
}

.usage-tips li:before {
    content: "✅";
    position: absolute;
    left: 0;
    color: var(--success-green);
    margin-right: 5px;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
    text-align: center;
}

.modal-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
}

.modal-btn-primary {
    background: var(--success-green);
}

.modal-btn-primary:hover {
    background: var(--success-green-light);
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .header {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }
    
    .header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .subtitle {
        font-size: var(--font-size-base);
    }
    
    .input-section,
    .results-section,
    .history-section {
        padding: var(--spacing-lg);
    }
    
    .input-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .examples {
        flex-direction: column;
    }
    
    .results-actions {
        flex-direction: column;
    }
    
    .error-message {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: var(--font-size-xl);
    }
    
    .input-section,
    .results-section,
    .history-section {
        padding: var(--spacing-md);
    }
    
    #text-input {
        min-height: 120px;
        font-size: var(--font-size-sm);
    }
    
    .analyze-btn {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }
}

/* Support buttons section */
.support-section {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
    text-align: center;
    border-top: 3px solid var(--primary-blue);
    animation: fadeInUp 0.8s ease-out 0.8s both;
    position: relative;
    overflow: hidden;
}

.support-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.support-buttons {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.support-btn {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex !important;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none !important;
    -webkit-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    transition: all 0.2s ease;
    border: 2px solid;
    min-width: 140px;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.programmifree-btn {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.programmifree-btn:hover {
    background: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Cross-browser support for support buttons */
.support-btn:link,
.support-btn:visited {
    color: inherit;
    text-decoration: none !important;
}

.support-btn:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

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

.donate-btn {
    background: #ffd700;
    color: #333;
    border-color: #ffd700;
}

.donate-btn:hover {
    background: #ffed4e;
    color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.support-text {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0;
    font-style: italic;
}

/* Dark mode support (opzionale) */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1f2937;
        --light-gray: #374151;
        --medium-gray: #4b5563;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --border-color: #4b5563;
    }
    
    body {
        background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 100%);
    }
}