:root {
            --bg-primary: #0a0e17;
            --bg-secondary: #121826;
            --bg-card: rgba(18, 24, 38, 0.7);
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-gold: #f59e0b;
            --accent-cyan: #06b6d4;
            --accent-purple: #8b5cf6;
            --accent-emerald: #10b981;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --font-main: 'Outfit', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-main);
            min-height: 100vh;
            line-height: 1.6;
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 85% 75%, rgba(245, 158, 11, 0.1) 0%, transparent 45%);
            background-attachment: fixed;
        }
        header {
            padding: 3rem 2rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
            border-bottom: 1px solid var(--border-color);
        }
        .badge-row {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.85rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(8px);
        }
        .badge-gold { border-color: rgba(245, 158, 11, 0.4); color: var(--accent-gold); }
        .badge-cyan { border-color: rgba(6, 182, 212, 0.4); color: var(--accent-cyan); }
        .badge-emerald { border-color: rgba(16, 185, 129, 0.4); color: var(--accent-emerald); }
        h1 {
            font-size: 2.75rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #ffffff 40%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }
        p.subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 850px;
            margin-bottom: 2rem;
        }
        .meta-strip {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .meta-item strong { color: var(--text-primary); }
        .meta-item a { color: var(--accent-cyan); text-decoration: none; }
        .meta-item a:hover { text-decoration: underline; }
        
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2.5rem 2rem;
        }
        .downloads-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
            margin-bottom: 3rem;
        }
        .dl-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 1.5rem;
            backdrop-filter: blur(12px);
            transition: all 0.25s ease;
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .dl-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 24px -10px rgba(245, 158, 11, 0.2);
        }
        .dl-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: #fff; }
        .dl-card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1rem; }
        .dl-card .format-tag {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--accent-cyan);
            font-weight: 600;
        }
        
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        /* Leaflet Dark Theme Overrides */
        .leaflet-container {
            background: #0a0e17 !important;
            font-family: var(--font-main) !important;
        }
        .leaflet-popup-content-wrapper {
            background: rgba(18, 24, 38, 0.95) !important;
            color: var(--text-primary) !important;
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            backdrop-filter: blur(12px);
            box-shadow: 0 16px 32px rgba(0,0,0,0.6);
        }
        .leaflet-popup-tip {
            background: rgba(18, 24, 38, 0.95) !important;
        }
        .leaflet-popup-content {
            margin: 1rem 1.25rem;
            line-height: 1.5;
        }
        /* Leaflet Layer Switcher Dark Glassmorphism */
        .leaflet-control-layers {
            background: rgba(18, 24, 38, 0.92) !important;
            border: 1px solid var(--border-color) !important;
            border-radius: 0.75rem !important;
            color: var(--text-primary) !important;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6) !important;
            backdrop-filter: blur(12px) !important;
            padding: 0.75rem 1rem !important;
            font-family: var(--font-main) !important;
            font-size: 0.85rem !important;
        }
        .leaflet-control-layers-expanded {
            padding: 0.85rem 1.15rem !important;
            min-width: 240px;
        }
        .leaflet-control-layers-separator {
            border-top: 1px solid var(--border-color) !important;
            margin: 0.6rem 0 !important;
        }
        .leaflet-control-layers label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.4rem;
            cursor: pointer;
            font-weight: 500;
            color: #e2e8f0;
        }
        .leaflet-control-layers label:hover {
            color: var(--accent-cyan) !important;
        }
        .leaflet-control-layers-base label input,
        .leaflet-control-layers-overlays label input {
            accent-color: var(--accent-cyan);
            cursor: pointer;
            margin-right: 0.35rem;
        }
        @media (max-width: 768px) {
            .leaflet-control-layers {
                font-size: 0.75rem !important;
                padding: 0.5rem 0.75rem !important;
            }
        }
        .map-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.25rem;
        }
        .map-category {
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
        }
        .map-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }
        .map-link {
            font-size: 0.75rem;
            color: var(--accent-cyan);
            text-decoration: none;
        }
        .map-link:hover { text-decoration: underline; }

        .search-box {
            width: 100%;
            padding: 1rem 1.25rem;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            color: #fff;
            font-family: var(--font-main);
            font-size: 1rem;
            margin-bottom: 2rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-box:focus { border-color: var(--accent-cyan); }

        .entity-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 1.5rem;
        }
        .entity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 1.5rem;
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .entity-card.edge {
            border-left: 4px solid var(--accent-purple);
        }
        .entity-card.place {
            border-left: 4px solid var(--accent-cyan);
        }
        .entity-id {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-secondary);
            word-break: break-all;
        }
        .entity-title { font-size: 1.2rem; font-weight: 700; color: #fff; }
        .entity-desc { font-size: 0.9rem; color: var(--text-secondary); flex-grow: 1; }
        .entity-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
        .pill {
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
        }
        .pill-gold { background: rgba(245, 158, 11, 0.15); color: var(--accent-gold); }
        .pill-cyan { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
        .pill-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
        
        footer {
            max-width: 1200px;
            margin: 4rem auto 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        footer a { color: var(--accent-gold); text-decoration: none; }
        /* ===== NAV ===== */
        nav {
            background: rgba(10, 14, 23, 0.92);
            border-bottom: 1px solid var(--border-color);
            backdrop-filter: blur(16px);
            position: sticky; top: 0; z-index: 1000;
        }
        .nav-inner {
            max-width: 1200px; margin: 0 auto;
            padding: 0.75rem 2rem;
            display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
        }
        .nav-brand {
            font-size: 0.95rem; font-weight: 700; color: var(--accent-gold);
            text-decoration: none; display: flex; align-items: center; gap: 0.5rem;
        }
        .nav-brand span { color: var(--text-secondary); font-weight: 400; font-size: 0.85rem; }
        .nav-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
        .nav-links a {
            font-size: 0.9rem; color: var(--text-secondary); text-decoration: none;
            transition: color 0.2s; font-weight: 500;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-cyan); }
        .nav-links a.active { border-bottom: 2px solid var(--accent-cyan); padding-bottom: 2px; }
    

        /* ===== FASE 1: GRAPH & SEARCH CONTROLS UI ===== */
        .view-switch-container {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .view-tab-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 0.6rem 1.25rem;
            border-radius: 0.75rem;
            font-family: var(--font-main);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .view-tab-btn:hover {
            border-color: var(--accent-cyan);
            color: #fff;
            transform: translateY(-2px);
        }
        .view-tab-btn.active {
            background: rgba(6, 182, 212, 0.15);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 4px 15px rgba(6, 182, 212, 0.25);
        }
        #graphCanvasContainer {
            height: 540px;
            width: 100%;
            border-radius: 1rem;
            border: 1px solid var(--border-color);
            margin-bottom: 3.5rem;
            box-shadow: 0 20px 40px -15px rgba(0,0,0,0.6);
            background: #080c14;
            position: relative;
            overflow: hidden;
            display: none;
        }
        #hypergraphCanvas {
            width: 100%;
            height: 100%;
            display: block;
            cursor: grab;
        }
        #hypergraphCanvas:active {
            cursor: grabbing;
        }
        .graph-hud {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(18, 24, 38, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
            padding: 0.5rem 0.8rem;
            font-size: 0.75rem;
            color: var(--text-secondary);
            pointer-events: none;
            z-index: 20;
        }
        .filter-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 1.25rem 1.5rem;
            margin-bottom: 2rem;
            backdrop-filter: blur(12px);
        }
        .filter-buttons-row {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        .filter-chip {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 0.35rem 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-chip:hover, .filter-chip.active {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .results-meta-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            padding: 0 0.5rem;
        }
        .pagination-bar {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.75rem;
            margin: 2.5rem 0 1.5rem;
        }
        .page-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            cursor: pointer;
            font-family: var(--font-main);
            font-weight: 600;
            transition: all 0.2s;
        }
        .page-btn:hover:not(:disabled) {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }


        /* OTTIMIZZAZIONE CARICAMENTO ISTANTANEO (Zero Lag < 50ms) */
        .entity-card {
            content-visibility: auto;
            contain-intrinsic-size: auto 160px;
            transition: opacity 0.25s ease-out, transform 0.25s ease-out;
        }
        .entity-card.progressive-hidden {
            display: none !important;
        }
        .progressive-load-bar {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 1.25rem;
            margin-top: 1.5rem;
            background: rgba(18, 24, 38, 0.9);
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: 12px;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
            font-size: 0.9rem;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .progressive-load-btn {
            background: rgba(6, 182, 212, 0.15);
            border: 1px solid rgba(6, 182, 212, 0.5);
            color: #06b6d4;
            padding: 0.45rem 1.1rem;
            border-radius: 9999px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .progressive-load-btn:hover {
            background: rgba(6, 182, 212, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }
        .progressive-load-btn.btn-all {
            background: rgba(245, 158, 11, 0.15);
            border-color: rgba(245, 158, 11, 0.5);
            color: #f59e0b;
        }
        .progressive-load-btn.btn-all:hover {
            background: rgba(245, 158, 11, 0.35);
            color: #fff;
        }