:root{--primary: #6366f1;--primary-hover: #4f46e5;--secondary: #ec4899;--bg: #0f172a;--card-bg: rgba(30, 41, 59, .7);--text: #f8fafc;--text-muted: #94a3b8;--border: rgba(255, 255, 255, .1);--glass: rgba(255, 255, 255, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);background-image:radial-gradient(at 0% 0%,rgba(99,102,241,.15) 0,transparent 50%),radial-gradient(at 100% 100%,rgba(236,72,153,.15) 0,transparent 50%);color:var(--text);min-height:100vh;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:2rem}.glass-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:1.5rem;padding:2rem;box-shadow:0 8px 32px #0000004d}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.75rem;font-weight:600;cursor:pointer;transition:all .2s;border:none;font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #6366f166}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--glass)}h1{font-size:3rem;font-weight:800;margin-bottom:1.5rem;background:linear-gradient(to right,#fff,var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}input,select{background:var(--glass);border:1px solid var(--border);color:var(--text);padding:.75rem 1rem;border-radius:.5rem;font-size:1rem}input:focus,select:focus{outline:none;border-color:var(--primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease-out forwards}.hero{text-align:center;padding:8rem 0;max-width:800px;margin:0 auto}.hero h1{margin-bottom:2rem}.hero p.subtitle{font-size:1.25rem;color:var(--text-muted);margin-bottom:3rem;animation:fadeIn 1s ease-out}.landing-controls{display:flex;gap:2rem;padding:2.5rem;margin-bottom:3rem;justify-content:center;align-items:center;animation:slideUp .8s ease-out}.control-group{display:flex;flex-direction:column;gap:.75rem;text-align:left;min-width:250px}.control-group label{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--primary)}.btn-large{padding:1.25rem 3rem;font-size:1.2rem;border-radius:1rem}.how-it-works{display:flex;align-items:flex-start;justify-content:center;gap:0;margin-bottom:3rem;animation:fadeIn 1.2s ease-out}.how-step{flex:1;max-width:200px;text-align:center;padding:1.25rem 1rem}.how-icon{width:48px;height:48px;background:#6366f126;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto .75rem;color:var(--primary);border:1px solid rgba(99,102,241,.25)}.how-step h4{font-size:.95rem;margin-bottom:.35rem;color:#fff}.how-step p{font-size:.8rem;color:var(--text-muted);line-height:1.4;margin:0}.how-arrow{display:flex;align-items:center;margin-top:2rem;color:#fff3}@media(max-width:600px){.how-it-works{flex-direction:column;align-items:center;gap:.5rem}.how-arrow{margin-top:0;transform:rotate(90deg)}}.badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--glass);padding:.5rem 1rem;border-radius:2rem;font-size:.875rem;font-weight:500;border:1px solid var(--border);margin-bottom:1.5rem}.features{display:flex;justify-content:center;gap:4rem;margin-top:6rem}.feature{max-width:250px}.feature .icon{width:3rem;height:3rem;background:var(--glass);border-radius:.75rem;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:var(--primary)}.feature h3{margin-bottom:.5rem}.feature p{color:var(--text-muted);font-size:.9rem}.selection-view h2{font-size:2rem;margin-bottom:1rem}.selection-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:3rem;border-bottom:1px solid var(--border);padding-bottom:2rem}.header-titles h2{font-size:2.5rem;margin-bottom:.5rem}.header-titles p{color:var(--primary);font-weight:600;text-transform:uppercase;font-size:.8rem}.custom-link-section{margin-bottom:4rem;padding:2.75rem;border-radius:1.5rem;border:1px dashed var(--primary);background:#6366f10d}.custom-link-section h3{margin-bottom:2rem;font-size:1.5rem;display:flex;align-items:center;gap:.75rem}.input-stack{display:flex;flex-direction:column;gap:1.5rem}.input-group input,.input-group textarea{width:100%;padding:1rem;border-radius:.75rem;border:1px solid var(--border);background:var(--bg);color:var(--text);font-family:inherit;font-size:1rem;transition:all .3s ease}.input-group textarea{resize:vertical;min-height:100px;line-height:1.5}.input-group input:focus,.input-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #6366f133}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.age-picker{display:flex;flex-direction:column;gap:.5rem}select option{background-color:#fff;color:#1a1a1a}.news-card{transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.news-card:hover{transform:translateY(-4px);border-color:#6366f14d;background:#1e293be6}.sources-badges-container{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.source-tag{font-size:.7rem;font-weight:700;text-transform:uppercase;color:var(--primary);letter-spacing:.05em;display:flex;align-items:center;gap:.25rem;padding:.2rem .6rem;background:#6366f11a;border-radius:4px;text-decoration:none;transition:all .2s}.source-tag.clickable:hover{background:#6366f133;color:var(--primary-hover);transform:translateY(-1px)}.news-card h3{margin-bottom:1rem;font-size:1.25rem}.news-card p{color:var(--text-muted);font-size:.95rem;margin-bottom:2rem}.card-footer{display:flex;flex-direction:column;align-items:stretch;margin-top:auto;gap:1rem}.source-link{font-size:.8rem;color:var(--primary);text-decoration:none;margin-bottom:10px;display:inline-block;opacity:.8}.source-link:hover{text-decoration:underline;opacity:1}.card-actions{display:flex;align-items:center;gap:1rem}.direct-link{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#ffffff1a;color:var(--text);transition:all .3s ease}.direct-link:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}.check{color:var(--primary)}.selection-footer{margin-top:4rem;display:flex;justify-content:space-between;padding-top:2rem;border-top:1px solid var(--border)}.session-view{max-width:850px;margin:1rem auto;padding:2rem;border-radius:1.5rem;box-shadow:0 10px 30px #00000026}.session-header{margin-bottom:3rem;text-align:center;border-bottom:1px solid var(--border);padding-bottom:2.5rem}.session-header .meta{display:flex;justify-content:center;gap:1.5rem;font-size:.85rem;color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}.age-badge{background:var(--primary);color:#fff;padding:2px 10px;border-radius:6px}.session-header h2{font-size:2.2rem;line-height:1.25;margin-bottom:1.5rem;color:#fff}.intro-text-large{font-size:1.15rem;color:var(--text-muted);line-height:1.6;max-width:800px;margin:0 auto}.session-grid{display:flex;flex-direction:column;gap:1rem}.session-sidebar,.session-main{display:contents}.guide-section{background:#ffffff08;border:1px solid var(--border);border-radius:1.25rem;padding:1.75rem;margin-bottom:2rem;transition:all .3s ease}.guide-section:hover{background:#ffffff0d;border-color:#6366f14d}.guide-section h3{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-top:0;margin-bottom:1.25rem}.guide-section p{font-size:.95rem;line-height:1.6;color:#e2e8f0}.guide-section.highlight{border-left:4px solid var(--primary)}.pedagogical-warning-box{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:1rem;padding:1.5rem;margin-bottom:2.5rem;display:flex;flex-direction:column;gap:.75rem}.warning-header{display:flex;align-items:center;gap:10px;color:#f59e0b}.warning-header h4{margin:0;font-size:1rem;font-weight:700}.pedagogical-warning-box p{margin:0;font-size:.9rem;color:#fbbf24;line-height:1.5}.mediator-box{background:#10b9810d!important;border:1px solid rgba(16,185,129,.2)!important}.main-question-card{background:var(--primary-gradient);padding:2rem;border-radius:1rem;margin-bottom:2rem;text-align:center}.main-question-card h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem;opacity:.8}.main-question-card p{font-size:1.35rem;font-weight:700;margin:0;line-height:1.4}.guide-item{padding:1.25rem;border-bottom:1px solid var(--border)}.guide-item:last-child{border-bottom:none}.q-purpose{font-size:.85rem;color:var(--primary);font-weight:600;margin-top:5px}.sources-box{background:#94a3b80d!important;border:1px solid rgba(148,163,184,.2)!important}.sources-box li a{transition:all .2s}.sources-box li a:hover{color:#38bdf8!important;transform:translate(4px)}.session-footer{margin-top:4rem;display:flex;gap:1rem;justify-content:flex-end}.spinner{animation:rotate 1s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.search-container{display:flex;align-items:center;padding:12px 20px;margin-bottom:2rem;background:#fff;border-radius:50px;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 15px #0000000d;color:#1a1a1a}.search-icon{color:var(--text-muted);margin-right:15px}.search-container input{border:none;background:none;width:100%;font-size:1.1rem;outline:none}.tutorial-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:center;align-items:center;padding:1rem}.tutorial-modal{position:relative;width:100%;max-width:500px;padding:2.5rem;border-radius:1.5rem;background:var(--surface);border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #00000080}.tutorial-modal h2{text-align:center;margin-bottom:2rem;font-size:1.5rem;color:var(--primary)}.close-modal-btn{position:absolute;top:1.5rem;right:1.5rem;background:#ffffff1a;border:none;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;z-index:10}.close-modal-btn:hover{background:#fff3;transform:scale(1.1)}.tutorial-slideshow{display:flex;flex-direction:column;gap:1.5rem}.tutorial-gif-placeholder{width:100%;background:#0000004d;border-radius:12px;border:1px dashed rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;min-height:150px}.tutorial-gif-placeholder img{width:100%;height:auto;max-height:380px;object-fit:contain;z-index:5;position:relative;display:block;image-rendering:high-quality}.tutorial-step{display:flex;gap:1.25rem;margin-bottom:1.5rem;align-items:flex-start;background:#ffffff08;padding:1rem;border-radius:1rem;border:1px solid rgba(255,255,255,.05)}.step-icon{background:#0003;color:var(--primary);width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid rgba(255,255,255,.1)}.tutorial-step h4{margin:0 0 .25rem;font-size:1.05rem;color:#fff}.tutorial-step p{margin:0;font-size:.9rem;color:var(--text-muted);line-height:1.5}.help-fab{position:fixed;bottom:24px;right:24px;background:var(--primary);color:#fff;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1000;box-shadow:0 4px 20px #6366f166;transition:all .2s ease}@media print{body{background:#fff;color:#000}.glass-card{border:1px solid #ccc;box-shadow:none;background:#fff}.session-footer,.btn{display:none}}