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

:root {
    /* Blue Professional Theme (default) */
    --primary: #0f3460;
    --accent: #00d9ff;
    --bg-primary: #0a0e27;
    --bg-secondary: #151c3c;
    --bg-tertiary: #1f2847;
    --text-primary: #e8eaed;
    --text-secondary: #b0b3b8;
    --border: #2d3555;
    --hover: #00a8cc;
}

body.theme-modern {
    --primary: #111827;
    --accent: #f97316;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border: #475569;
    --hover: #ea580c;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    transition: background-color 0.2s, color 0.2s;
}

/* Header */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.logo-main {
    font-size: 1rem;
    font-weight: 700;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-selector {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.product-selector:hover {
    border-color: var(--accent);
}

.header-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.company-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.company-info strong {
    color: var(--text-primary);
}

.theme-toggle {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
}

/* Main Container */
.container {
    display: flex;
    height: calc(100vh - 61px);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 1.5rem 0;
    display: none;
}

.sidebar.active {
    display: block;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.section-title {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title:hover {
    color: var(--accent);
}

.section-title.collapsed::after {
    content: '▶';
    font-size: 0.75rem;
}

.section-title.expanded::after {
    content: '▼';
    font-size: 0.75rem;
}

.section-pages {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.section-pages.collapsed {
    max-height: 0;
}

.page-link {
    display: block;
    padding: 0.5rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s, background-color 0.2s;
    border-left: 3px solid transparent;
}

.page-link:hover {
    color: var(--accent);
    background-color: var(--bg-tertiary);
}

.page-link.active {
    color: var(--accent);
    background-color: var(--bg-tertiary);
    border-left-color: var(--accent);
    font-weight: 500;
}

/* Content Area */
.content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 3rem;
}

.markdown {
    max-width: 860px;
}

.content-placeholder {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

/* Markdown Styles */
.markdown h1 {
    font-size: 2.5rem;
    margin: 1.5rem 0 1rem;
    color: var(--accent);
}

.markdown h2 {
    font-size: 1.875rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.5rem;
}

.markdown h3 {
    font-size: 1.5rem;
    margin: 1.25rem 0 0.5rem;
    color: var(--text-primary);
}

.markdown h4, .markdown h5, .markdown h6 {
    margin: 1rem 0 0.5rem;
    color: var(--text-primary);
}

.markdown p {
    margin: 0.75rem 0;
}

.markdown ul, .markdown ol {
    margin: 0.75rem 0;
    padding-left: 2rem;
}

.markdown li {
    margin: 0.5rem 0;
}

/* License Tiers Component */
.license-tiers {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.tier-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    font-size: 0.9rem;
}

.tier-table th,
.tier-table td {
    border: 1px solid var(--border);
    padding: 0.55rem 0.85rem;
    text-align: center;
}

.tier-table .tier-feature-col,
.tier-table .tier-feature {
    text-align: left;
    color: var(--text-primary);
}

.tier-table thead th {
    background-color: var(--bg-tertiary);
    vertical-align: top;
}

.tier-table thead th.tier-highlighted-col {
    background-color: var(--primary);
    border-color: var(--accent);
}

.tier-name {
    font-weight: 700;
    color: var(--accent);
    font-size: 1rem;
}

.tier-tagline {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    font-style: italic;
}

.tier-limit {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

.tier-table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.tier-check {
    color: #4caf50;
    font-weight: 700;
    font-size: 1rem;
}

.tier-cross {
    color: var(--border);
    font-size: 1rem;
}

.tier-loading {
    color: var(--text-secondary);
    font-style: italic;
    padding: 1rem 0;
}

.markdown img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    border: 1px solid var(--border);
    margin: 1.25rem 0;
}

.markdown code {
    background-color: var(--bg-tertiary);
    color: var(--accent);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.markdown pre {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
}

.markdown pre code {
    background-color: transparent;
    color: var(--text-primary);
    padding: 0;
}

.markdown blockquote {
    border-left: 4px solid var(--accent);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.markdown a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

.markdown a:hover {
    color: var(--hover);
    text-decoration: underline;
}

.markdown table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
}

.markdown table th {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--accent);
}

.markdown table td {
    border: 1px solid var(--border);
    padding: 0.75rem;
}

.markdown table tr:hover {
    background-color: var(--bg-tertiary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .content {
        padding: 1.5rem;
    }

    header {
        flex-direction: column;
        gap: 1rem;
    }

    .header-left {
        width: 100%;
        gap: 1rem;
    }

    .product-selector {
        flex: 1;
    }

    .header-right {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
    }

    .company-info {
        text-align: center;
    }

    .logo-text {
        display: none;
    }
}

/* Homepage Styles */
.home-page {
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    position: relative;
    height: 400px;
    margin: -2rem -3rem 3rem -3rem;
    padding: 3rem;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--primary) 100%);
    border-radius: 0 0 8px 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    overflow: hidden;
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 300px;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 350px;
    border-radius: 8px;
}

.hero-text {
    flex: 1;
    color: var(--text-primary);
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent);
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.hero-cta:hover {
    background-color: var(--hover);
}

.about {
    margin: 3rem 0;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.about h2 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    border: none;
    padding: 0;
}

.about p {
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about ul {
    margin: 1rem 0 1rem 2rem;
    color: var(--text-primary);
}

.about li {
    margin: 0.5rem 0;
    font-size: 1.05rem;
}

.products-section {
    margin: 3rem 0;
}

.products-section h2 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 2rem;
    border: none;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-card-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
    font-size: 0.95rem;
}

.product-card-button:hover {
    background-color: var(--accent);
    color: var(--primary);
}

/* Sidebar home link */
.sidebar-home {
    margin: 0 0 1rem 0;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    font-weight: 600;
    color: var(--accent) !important;
}

/* Product Homepage */
.product-home {
    animation: fadein 0.2s ease;
}

@keyframes fadein {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.product-hero-section {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--primary) 100%);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2.5rem;
    min-height: 320px;
}

.product-hero-text {
    flex: 0 0 42%;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-hero-text h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.product-hero-image {
    flex: 0 0 58%;
    overflow: hidden;
}

.product-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left center;
    display: block;
}

.product-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.product-desc {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.product-home-body h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.product-feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.product-feature-card:hover {
    border-color: var(--accent);
}

.feature-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.product-feature-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.product-feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.product-home-body h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.product-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.product-section-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
}

.product-section-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.product-section-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
    background-color: var(--bg-tertiary);
}

.section-card-body {
    padding: 1rem;
}

.section-card-body h4 {
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.section-card-body p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Homepage Footer */
.homepage-footer {
    margin-top: 4rem;
    padding: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-secondary);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.footer-logo:hover {
    opacity: 1;
}

.homepage-footer p {
    font-size: 0.9rem;
    margin: 0;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        height: auto;
        margin-bottom: 2rem;
        padding: 2rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .about {
        padding: 1.5rem;
    }

    .product-cards {
        grid-template-columns: 1fr;
    }

    .homepage-footer {
        padding: 1.5rem;
    }
}

/* ---- Pagine statiche (URL per pagina) ---- */
button.section-title {
    width: 100%;
    background: none;
    border: none;
    font-family: inherit;
    text-align: left;
}

.section-pages {
    max-height: none;
}

.section-pages.collapsed {
    max-height: 0;
}

.sidebar-leaf {
    margin-bottom: 0.5rem;
}

.page-link.depth-2 {
    padding-left: 2.5rem;
    font-size: 0.9rem;
}

.page-link.depth-3 {
    padding-left: 3.5rem;
    font-size: 0.9rem;
}

.page-label {
    cursor: default;
}

.page-label:hover {
    color: var(--text-secondary);
    background: none;
}

a.product-section-card,
a.product-card-button,
a.hero-cta {
    display: inline-block;
    text-decoration: none;
}

a.product-section-card {
    display: block;
    color: inherit;
}

.breadcrumb {
    max-width: 860px;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .sep {
    margin: 0 0.5rem;
    opacity: 0.6;
}

.markdown .anchor {
    float: left;
    margin-left: -1.1em;
    padding-right: 0.3em;
    color: var(--text-secondary);
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.15s;
}

.markdown h2:hover .anchor,
.markdown h3:hover .anchor,
.markdown h4:hover .anchor {
    opacity: 0.7;
}

.page-nav {
    max-width: 860px;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.page-nav a {
    display: flex;
    flex-direction: column;
    max-width: 48%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--accent);
    text-decoration: none;
}

.page-nav a:hover {
    border-color: var(--accent);
}

.page-nav small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.page-nav-next {
    margin-left: auto;
    text-align: right;
}

.draft-banner {
    max-width: 860px;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    background-color: #ffc107;
    color: #000;
    font-weight: 600;
}