@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--bg-main:#f8fafc;--bg-app:#f1f5f9;--bg-card:#fff;--bg-input:#f8fafc;--border-color:#e2e8f0;--border-active:#0ea5e9;--color-primary:#0284c7;--color-primary-hover:#0369a1;--color-secondary:#0f766e;--color-accent:#7c3aed;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--shadow-sm:0 1px 3px #0000000d, 0 1px 2px #0000000d;--shadow-md:0 4px 12px #0f172a0d, 0 1px 3px #0f172a05;--shadow-lg:0 10px 25px -5px #0f172a1a, 0 8px 10px -6px #0f172a0d;--transition-smooth:all .2s cubic-bezier(.4, 0, .2, 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var(--border-color);background:#fff;justify-content:center;align-items:center;width:42px;height:42px;padding:3px;display:flex;overflow:hidden;box-shadow:0 4px 10px #0f172a0f}.renac-logo-img{object-fit:contain;width:100%;height:100%}.brand-info h1{color:var(--text-primary);font-size:1.35rem;font-weight:800;line-height:1.1}.brand-info span{text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);font-size:.75rem;font-weight:700}.chapter-selection-card.active-nav{box-shadow:var(--shadow-md);border-color:var(--color-primary)!important;background-color:#f0f9ff!important}.chapter-selection-card.active-nav .chapter-arrow{transform:translate(4px);color:var(--color-primary)!important}.chapter-selection-card.active-nav .chapter-icon-wrapper{background-color:var(--color-primary)!important;color:#fff!important}@media (width<=768px){.hidden-mobile{display:none!important}}@media (width>=769px){.app-layout{flex-direction:row;height:100vh;overflow:hidden}.app-sidebar{border-right:1px solid var(--border-color);z-index:10;flex-shrink:0;width:380px;height:100vh;box-shadow:2px 0 15px #0f172a08}.app-header{border-bottom:1px solid var(--border-color)}.sidebar-nav-container{height:calc(100vh - 120px);overflow-y:auto}.app-main-content{height:100vh;overflow-y:auto}.detail-header{border-bottom:1px solid var(--border-color);background-color:#fff;padding:24px 30px;position:sticky;top:0}.detail-scroll-area{padding:30px}.desktop-welcome-view{text-align:center;background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);flex-direction:column;justify-content:center;align-items:center;height:100%;padding:40px;animation:.4s ease-out fadeIn;display:flex}.welcome-hero{max-width:500px;margin-bottom:40px}.welcome-logo{filter:drop-shadow(0 4px 10px #0284c726);width:140px;height:auto;margin-bottom:24px}.welcome-hero h2{color:var(--text-primary);margin-bottom:16px;font-size:2.2rem;font-weight:800}.welcome-hero p{color:var(--text-secondary);font-size:1.05rem;line-height:1.6}.welcome-stats{gap:20px;width:100%;max-width:600px;display:flex}.stat-card{border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition-smooth);background:#fff;flex:1;padding:24px 20px}.stat-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary);transform:translateY(-2px)}.stat-card h3{color:var(--color-primary);margin-bottom:6px;font-size:1.85rem;font-weight:800}.stat-card span{color:var(--text-secondary);font-size:.85rem;font-weight:600}}.search-container{margin-bottom:4px;position:relative}.search-icon{color:var(--text-secondary);position:absolute;top:50%;left:16px;transform:translateY(-50%)}.search-input{background-color:var(--bg-input);border:1.5px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-family:var(--font-body);transition:var(--transition-smooth);padding:13px 16px 13px 48px;font-size:.95rem}.search-input:focus{border-color:var(--color-primary);background-color:#fff;outline:none;box-shadow:0 0 0 4px #0284c71a}.general-tabs{background:var(--bg-input);border-radius:var(--radius-md);border:1px solid var(--border-color);margin:12px 20px 4px;padding:4px;display:flex}.general-tab-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;font-weight:600;font-family:var(--font-body);transition:var(--transition-smooth);background:0 0;border:none;flex:1;padding:12px 8px}.general-tab-btn.active{color:var(--color-primary);box-shadow:var(--shadow-sm);background:#fff}.main-content{flex:1;padding:16px 20px 80px;overflow-y:auto}.intro-content{flex-direction:column;gap:16px;display:flex}.intro-lead-card{border-radius:var(--radius-md);color:#166534;background:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%);border:1px solid #bbf7d0;padding:20px}.intro-lead-card h2{color:#14532d;align-items:center;gap:8px;margin-bottom:8px;font-size:1.15rem;display:flex}.intro-lead-card p{font-size:.95rem;line-height:1.5}.concept-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:18px}.concept-card h3{color:var(--color-primary);align-items:center;gap:8px;margin-bottom:8px;font-size:1.05rem;display:flex}.concept-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.criterio-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:18px}.criterio-header{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:12px;font-size:1.05rem;font-weight:700;display:flex}.criterio-list{list-style:none}.criterio-item{border-radius:var(--radius-sm);align-items:flex-start;gap:8px;margin-bottom:6px;padding:8px 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var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);padding:16px;position:relative;overflow:hidden}.class-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.class-card.active{border-color:var(--color-primary);background-color:#f0f9ff}.class-card-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.class-card-title{color:var(--text-primary);font-size:1.05rem;font-weight:700}.class-card.active .class-card-title{color:var(--color-primary)}.class-freq-tag{color:var(--text-secondary);background-color:#f1f5f9;border-radius:20px;padding:2px 8px;font-size:.75rem;font-weight:700}.class-card.active .class-freq-tag{color:var(--color-primary);background-color:#e0f2fe}.class-card-body{color:var(--text-secondary);font-size:.88rem;line-height:1.45}.class-card-detail{border-top:1px dashed var(--border-color);margin-top:12px;padding-top:12px;animation:.25s ease-out slideDown}.class-example-box{border-radius:var(--radius-sm);background-color:#fff;border:1px solid #e2e8f0;padding:10px 12px}.class-example-title{text-transform:uppercase;color:var(--color-accent);margin-bottom:4px;font-size:.8rem;font-weight:700}.class-example-text{color:var(--text-primary);font-size:.85rem;line-height:1.4}.anomaly-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;margin-bottom:12px;padding:16px;display:flex}.anomaly-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.anomaly-info{flex-direction:column;gap:4px;width:90%;display:flex}.anomaly-section-tag{color:var(--color-primary);background:#e0f2fe;border-radius:20px;width:fit-content;padding:2px 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h3{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:12px;font-size:1.05rem;display:flex}.gallery-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.gallery-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);overflow:hidden}.gallery-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:scale(1.02)}.gallery-thumb-container{aspect-ratio:4/3;background-color:#0b0f19;justify-content:center;align-items:center;display:flex;position:relative}.gallery-thumb{object-fit:cover;max-width:100%;max-height:100%}.gallery-item-info{padding:10px 12px}.gallery-item-title{color:var(--text-primary);font-size:.85rem;font-weight:700}.gallery-item-description{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:.75rem;overflow:hidden}.lightbox-modal{z-index:100;background-color:#090f1df7;flex-direction:column;justify-content:space-between;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}.lightbox-header{color:#fff;background:linear-gradient(#0009 0%,#0000 100%);justify-content:space-between;align-items:center;padding:16px 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30px}.lightbox-desc{color:#e2e8f0;text-align:center;font-size:.9rem;line-height:1.5}.empty-state{text-align:center;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;padding:40px 20px;display:flex}.empty-state svg{color:var(--text-muted);margin-bottom:16px}.empty-state h3{color:var(--text-primary);margin-bottom:8px;font-size:1.1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#00000008}::-webkit-scrollbar-thumb{background:#0000001a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#00000040}.chapters-grid{flex-direction:column;gap:16px;animation:.3s ease-out fadeIn;display:flex}.chapters-layout{flex-direction:column;gap:12px;display:flex}.chapter-selection-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);align-items:center;gap:16px;padding:16px;display:flex}.chapter-selection-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.chapter-icon-wrapper{border-radius:var(--radius-md);width:46px;height:46px;color:var(--color-primary);transition:var(--transition-smooth);background-color:#f0f9ff;flex-shrink:0;justify-content:center;align-items:center;display:flex;box-shadow:0 2px 6px #0284c70d}.chapter-selection-card:hover .chapter-icon-wrapper{background-color:var(--color-primary);color:#fff;box-shadow:0 4px 10px #0284c733}.chapter-meta{flex-direction:column;flex:1;gap:2px;display:flex}.chapter-code{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:700}.chapter-name{color:var(--text-primary);font-size:1rem;font-weight:700;line-height:1.25}.chapter-count{color:var(--color-secondary);font-size:.78rem;font-weight:600}.chapter-arrow{color:var(--text-muted);transition:var(--transition-smooth)}.chapter-selection-card:hover .chapter-arrow{color:var(--color-primary);transform:translate(4px)}.chapter-anomalies-list{animation:.3s ease-out fadeIn}.chapter-list-header{border-bottom:1px solid var(--border-color);flex-direction:column;gap:12px;padding-bottom:16px;display:flex}.back-btn-small{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;width:fit-content;font-size:.8rem;font-weight:700;font-family:var(--font-body);transition:var(--transition-smooth);box-shadow:var(--shadow-sm);border-radius:20px;align-items:center;gap:6px;padding:6px 12px;display:flex}.back-btn-small:hover{border-color:var(--color-primary);color:var(--color-primary);background-color:#f0f9ff}.chapter-list-title{flex-direction:column;display:flex}.chapter-list-title span{color:var(--color-primary);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:700}.chapter-list-title h3{color:var(--text-primary);font-size:1.2rem;font-weight:800;line-height:1.2}.chapter-number-badge{color:#64748b;width:28px;height:28px;font-size:.85rem;font-weight:800;font-family:var(--font-display);border:1px solid var(--border-color);transition:var(--transition-smooth);background:#f1f5f9;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;box-shadow:inset 0 1px 2px #00000005}.chapter-selection-card:hover .chapter-number-badge{border-color:#0000;transform:scale(1.05)}.chapter-selection-card.intro .chapter-number-badge{color:#16a34a;background:#f0fdf4;border-color:#bbf7d0}.chapter-selection-card.intro:hover .chapter-number-badge{color:#fff;background:#16a34a}.chapter-selection-card.classification .chapter-number-badge{color:#7c3aed;background:#faf5ff;border-color:#e9d5ff}.chapter-selection-card.classification:hover .chapter-number-badge{color:#fff;background:#7c3aed}.chapter-selection-card.anomalies .chapter-number-badge{color:#0284c7;background:#e0f2fe;border-color:#bae6fd}.chapter-selection-card.anomalies:hover .chapter-number-badge{color:#fff;background:#0284c7}.chapter-selection-card.intro .chapter-icon-wrapper{color:#16a34a;background-color:#f0fdf4;box-shadow:0 2px 6px #16a34a0d}.chapter-selection-card.intro:hover .chapter-icon-wrapper{color:#fff;background-color:#16a34a}.chapter-selection-card.classification .chapter-icon-wrapper{color:#7c3aed;background-color:#faf5ff;box-shadow:0 2px 6px #7c3aed0d}.chapter-selection-card.classification:hover .chapter-icon-wrapper{color:#fff;background-color:#7c3aed}.clear-search-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;display:flex}.clear-search-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}mark.search-highlight{color:#1e293b;background-color:#fef08a;border-radius:2px;padding:0 2px;font-weight:600;box-shadow:0 1px #0000000d}.search-results-list{flex-direction:column;gap:12px;animation:.3s ease-out fadeIn;display:flex}.search-result-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);flex-direction:column;gap:6px;padding:16px;display:flex}.search-result-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.search-result-meta-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.search-result-chapter-badge{color:#475569;text-transform:uppercase;letter-spacing:.02em;background:#f1f5f9;border-radius:4px;padding:2px 6px;font-size:.68rem;font-weight:800}.search-result-card:hover .search-result-chapter-badge{background:var(--color-primary);color:#fff}.search-result-section-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700}.search-result-title{color:var(--text-primary);margin:2px 0 0;font-size:1.05rem;font-weight:800;line-height:1.3}.search-result-snippet{color:var(--text-secondary);font-size:.85rem;line-height:1.5;font-family:var(--font-body);margin:2px 0}.search-result-action{color:var(--color-primary);transition:var(--transition-smooth);align-items:center;gap:4px;margin-top:4px;font-size:.78rem;font-weight:800;display:flex}.search-result-card:hover .search-result-action{gap:6px}