:root{--navbar-h: 70px;--primary: #2563eb;--secondary: #4a90e2;--accent: #1e3a8a;--bg-light: #f8fbff;--bg-gradient: linear-gradient(to bottom right, #e0f2ff, #f8fbff);--danger: #dc2626;--success: #16a34a;--transition: all .25s ease;--font: "Inter", sans-serif}html{font-family:var(--font);font-size:clamp(14px,1.3vw,18px);scroll-behavior:smooth}body{margin:0;background:var(--bg-light);color:#1e293b}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-h);background:#f5f9ff;border-bottom:2px solid #e0e7ff;display:flex;align-items:center;justify-content:center;z-index:9999;transition:transform .4s ease,opacity .4s ease}.navbar.hidden{transform:translateY(-100%);opacity:0;pointer-events:none}.navbar.visible{transform:translateY(0);opacity:1}.nav-spacer{height:var(--navbar-h);width:100%}.logo{font-size:2rem;cursor:pointer;animation:pulseGlow 3s infinite ease-in-out}@keyframes pulseGlow{0%,to{color:#0f172a;text-shadow:0 0 0 rgba(74,144,226,0)}50%{color:var(--primary);text-shadow:0 0 12px rgba(74,144,226,.6)}}.navbar-inner{width:100%;max-width:1200px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-sizing:border-box}.navbar-inner{position:relative;width:100%;max-width:1200px;height:100%;display:flex;align-items:center;justify-content:center;padding:0 20px;box-sizing:border-box}.info-button.subtle{position:absolute;right:20px;background:transparent;border:none;color:#2563eb;font-size:1rem;font-weight:600;cursor:pointer;text-shadow:0 1px 2px rgba(37,99,235,.25);transition:all .25s ease;letter-spacing:.3px}.info-button.subtle:hover{color:#1e3a8a;text-shadow:0 2px 6px rgba(37,99,235,.4);transform:translateY(-1px)}@media(max-width:600px){.info-button.subtle{right:14px;font-size:.9rem;color:#3b82f6;text-shadow:0 1px 2px rgba(59,130,246,.3)}.info-button.subtle:hover{color:#1e40af;text-shadow:0 1px 4px rgba(30,64,175,.4)}}.page{padding:20px;display:flex;flex-direction:column;align-items:center;text-align:center}.home-page.compact{min-height:100vh;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;background:var(--bg-gradient);color:var(--accent);text-align:center;padding-top:calc(var(--navbar-h) / 6);overflow-x:hidden}.home-wrapper{width:min(75vw,900px);margin:0 auto;display:flex;justify-content:center;align-items:flex-start}.text-container{display:flex;flex-direction:column;align-items:center;gap:14px;line-height:1.6}.project-title{font-size:2.6rem;font-weight:800;color:#1e40af;animation:fadeIn var(--transition)}.project-subtitle{font-size:1.1rem;color:#475569;font-style:italic;animation:fadeIn 1s ease}.project-text{max-width:800px;font-size:1rem;line-height:1.8;text-align:justify;letter-spacing:.02rem;animation:fadeIn 1.2s ease}.project-text strong{color:var(--primary)}.free-info{font-weight:600;background:#fff7cc;color:var(--accent);padding:8px 16px;border-radius:8px;box-shadow:0 4px 10px #0000000d;animation:fadeIn 1.4s ease}.info-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px;background:var(--bg-gradient);box-sizing:border-box;color:#1e293b}.info-card{background:#fff;border-radius:20px;box-shadow:0 8px 25px #00327826;padding:40px 50px;max-width:900px;width:100%;animation:fadeInUp .8s ease both}.info-title{font-size:2.2rem;font-weight:800;color:var(--accent);text-align:center;margin-bottom:10px}.info-subtitle{text-align:center;color:#475569;font-style:italic;margin-bottom:30px;font-size:1rem}.info-content{line-height:1.7;color:#1e293b;text-align:justify}.info-content h2{margin-top:25px;margin-bottom:10px;font-size:1.3rem;color:#1e40af;border-left:4px solid #3b82f6;padding-left:10px}.info-content p{margin-bottom:16px;font-size:1rem}.info-end-note{font-weight:600;margin-top:30px;background:#f0f7ff;padding:12px 18px;border-radius:10px;color:#1e40af;box-shadow:0 2px 8px #2563eb1a}@media(max-width:600px){.info-card{padding:25px 18px;border-radius:14px}.info-title{font-size:1.8rem}.info-content h2{font-size:1.1rem}.info-content p{font-size:.95rem}}button,.start-button{cursor:pointer;border:none;border-radius:10px;font-weight:600;transition:var(--transition)}.start-button.modern{background:linear-gradient(90deg,#2563eb,#3b82f6);border:none;border-radius:10px;padding:14px 32px;font-size:1.1rem;font-weight:600;color:#fff;cursor:pointer;width:100%;transition:transform .2s ease,box-shadow .2s ease}.start-button.modern:hover{transform:translateY(-3px);box-shadow:0 8px 16px #2563eb4d}.name-page{display:flex;justify-content:center;align-items:center;min-height:100vh;width:100%;padding:20px;background:radial-gradient(circle at 30% 30%,#e0f2ff,#f5f9ff);font-family:Inter,sans-serif;box-sizing:border-box;overflow-x:hidden}.name-card{background:#fff;border-radius:16px;box-shadow:0 10px 25px #00327826;padding:40px 50px;width:100%;max-width:400px;text-align:center;border-top:5px solid #3b82f6;animation:fadeInUp .8s ease both;box-sizing:border-box}.name-title{font-size:1.8rem;font-weight:700;color:var(--accent)}.name-input{width:100%;padding:12px;border:2px solid #3b82f6;border-radius:8px;font-size:1rem;outline:none;margin-bottom:20px;transition:all .2s ease;box-sizing:border-box}.name-input:focus{border-color:#1d4ed8;box-shadow:0 0 6px #3b82f666}.age-title{font-size:1.1rem;font-weight:600;color:#1e40af}.age-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:25px}.age-box{padding:10px 16px;border:2px solid #3b82f6;border-radius:6px;font-size:.95rem;background:#f1f5ff;color:#1e3a8a;cursor:pointer;transition:all .25s ease;min-width:70px;-webkit-user-select:none;user-select:none}.age-box:hover{background:#dbeafe}.age-box.selected{background:#3b82f6;color:#fff;transform:scale(1.05);box-shadow:0 0 10px #3b82f666}svg{width:100%;height:auto;max-width:100%;max-height:100%;object-fit:contain;overflow:visible}.radial-lines,.cross-shape,.line-with-balls,.grid9{width:100%;height:auto;object-fit:contain;overflow:visible}.start-button{padding:12px 24px;font-size:18px;background:#4a90e2;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background .2s ease}.calculating-text{font-size:2rem;color:#1e3a8a;animation:pulseText 2s infinite ease-in-out}.calculating-sub{font-size:1.2rem;color:#475569;margin-top:10px;animation:fadeInText 3s ease-in-out infinite alternate}@keyframes pulseText{0%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}to{transform:scale(1);opacity:1}}@keyframes fadeInText{0%{opacity:.6}to{opacity:1}}.calculating-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;gap:12px}.progress-loader{width:80%;max-width:300px;height:10px;background:#e0e7ff;border-radius:6px;margin-top:20px;overflow:hidden}.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,#2563eb,#60a5fa);border-radius:6px}.progress-loader{width:100%;max-width:300px;height:10px;background:#e0e7ff;border-radius:6px;margin:20px auto 0;overflow:hidden}.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,#2563eb,#60a5fa);animation:loadProgress 1.5s ease-in-out forwards;border-radius:6px}@keyframes loadProgress{0%{width:0%}to{width:100%}}.name-title{font-size:1.8rem;font-weight:700;color:#1e3a8a;margin-bottom:8px}.subtitle{color:#64748b;font-size:.95rem;margin-bottom:25px}.error-text{color:#dc2626;font-size:.9rem;margin-bottom:10px}.age-title{font-size:1.1rem;font-weight:600;color:#1e40af;margin-bottom:10px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.question-box{position:relative;display:flex;align-items:center;justify-content:center;width:95vw;max-width:700px;background:#d8ecff;border:3px solid #4a90e2;border-radius:12px;padding:10px;margin:0 auto 16px;overflow:hidden;box-sizing:border-box;height:45vh;min-height:350px}.question-grid{width:100%;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:8px;justify-items:center;align-items:center;overflow:hidden}.question-grid>*{display:flex;align-items:center;justify-content:center;width:100%;height:100%;overflow:hidden;box-sizing:border-box}.question-box img,.question-box svg,.question-box canvas{display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;object-position:center;margin:auto;pointer-events:none;-webkit-user-select:none;user-select:none}.question-box svg{overflow:visible;transform-origin:center center;transform:scale(.92)}.question-box .cross-shape,.question-box .radial-lines,.question-box .grid9,.question-box .pipe-svg,.question-box .roadmap-svg,.question-box 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span{display:flex;align-items:center;justify-content:center;max-width:95%;text-align:center;font-size:clamp(.8rem,1.5vw,1.5rem);line-height:1;transform-origin:center;transition:transform .2s ease}.status-bar{display:grid;grid-template-columns:repeat(10,1fr);grid-template-rows:repeat(3,1fr);gap:6px;justify-items:center;align-items:center;width:100%;max-width:600px;margin:0 auto 16px;padding:6px;box-sizing:border-box}.status-block{width:100%;aspect-ratio:1/1;font-size:clamp(.7rem,2vw,.9rem);border:1px solid #4a90e2;border-radius:6px;background:#fff;display:flex;justify-content:center;align-items:center;-webkit-user-select:none;user-select:none;transition:transform .15s ease,background .2s ease}.status-block.answered{background:#a7d3ff}.status-block.active{border:2px solid #1e40af;background:#bfdbfe;font-weight:600;transform:scale(1.05)}.button-row{display:flex;justify-content:center;align-items:center;gap:15px;margin-top:20px;flex-wrap:wrap}.skip-button,.finish-button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;font-size:1rem;border:none;border-radius:8px;cursor:pointer;transition:all .25s ease;transform:scale(1);line-height:1;height:44px}.skip-button:hover,.finish-button:hover{transform:scale(1.08);box-shadow:0 6px 16px #0003}.skip-button{background:#facc15;color:#111}.skip-button:hover{background:#eab308}.finish-button{background:#34d399;color:#fff}.finish-button:hover{background:#059669}.timer{margin-top:20px;font-weight:700;color:#1e40af}.vertical-line-container{display:flex;align-items:center;justify-content:center;gap:12px;height:80px}.line{width:3px;height:90%;background-color:#1e3a8a;border-radius:2px}.side{display:flex;flex-direction:column;justify-content:space-between;height:100%}.ball{width:14px;height:14px;border-radius:50%;transition:all .2s ease}.ball.filled{background-color:#1e3a8a}.ball.hollow{border:2px solid #1e3a8a;background:#fff}.ball.none{opacity:0}.cross-shape{display:block;margin:auto;max-width:100%;height:auto}.question-grid .cross-shape{width:72px;height:72px}.radial-lines{display:block;margin:auto;max-width:100%;height:auto}.question-grid .radial-lines{width:140px;height:140px}.bricks-svg{display:block;margin:auto;max-width:100%;height:auto}.question-grid .bricks-svg{width:110px;height:110px}.arrow3d-svg{display:block;margin:auto;max-width:100%;height:auto}.question-grid .arrow3d-svg{width:90px;height:90px}.diamond-star-svg{display:block;margin:auto;max-width:100%;height:auto}.question-grid .diamond-star-svg{width:90px;height:90px}.question-box .grid9{width:70px!important;height:70px!important;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:4px;margin:auto;justify-content:center;align-items:center;box-sizing:border-box;transform:none!important}.question-box .grid9-cell{background:#f0f4f8;border:1px solid #4a90e2;border-radius:4px;width:100%;height:100%;transition:background .2s ease}.question-box .grid9-cell.filled{background:#4a90e2}.grid9{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:4px;width:70px;height:70px;margin:auto}.grid9-cell{background:#f0f4f8;border:1px solid #4a90e2;border-radius:4px;width:100%;height:100%;transition:background .2s ease}.grid9-cell.filled{background:#4a90e2}.roadmap-svg{width:100%;height:auto;max-width:120px;border-radius:12px;display:block;margin:0 auto;background:linear-gradient(180deg,#b6e3a8,#9edb8a);box-shadow:0 3px 8px #00000026;transition:transform .2s ease,box-shadow .2s ease}.roadmap-svg:hover{transform:translateY(-3px);box-shadow:0 6px 14px #00000040}.pipe-svg{display:block;margin:0 auto;max-width:110px;height:auto}.results-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;text-align:center;padding:20px;background:linear-gradient(180deg,#eef5ff,#fff)}.results-page h2{font-size:2rem;margin-bottom:10px;color:#1e40af;animation:fadeInDown .6s ease-out}.results-page p{font-size:1.1rem;color:#334155;margin-bottom:25px}.results-page strong{font-size:1.5rem;color:#1d4ed8}.results-bar{display:grid;grid-template-columns:repeat(10,1fr);gap:8px;max-width:500px;width:100%;justify-content:center;padding:15px;border-radius:14px;background:#f8fafc;box-shadow:0 4px 16px #0000000d}.result-dot{display:flex;align-items:center;justify-content:center;height:36px;width:36px;border-radius:8px;font-weight:600;font-size:.9rem;color:#111827;background:#fff;border:2px solid #dbeafe;transition:all .25s ease}.result-dot.correct{background:#bbf7d0;border-color:#16a34a;color:#14532d}.result-dot.wrong{background:#fecaca;border-color:#dc2626;color:#7f1d1d}.result-dot:hover{transform:scale(1.08);cursor:pointer}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-15px)}to{opacity:1;transform:translateY(0)}}.result-actions{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:14px;margin-top:20px}.result-actions .start-button{min-width:160px;font-size:1rem}@media(max-width:400px){.results-bar{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(5,1fr);gap:5px;width:100%;max-width:100%;padding:10px;box-sizing:border-box;justify-items:center;align-items:center}.result-dot{width:28px;height:28px;font-size:.75rem;border-radius:6px}.results-page{padding:10px}}@media(max-width:600px){.question-box{width:95vw;min-height:50vh;height:auto}.question-grid{gap:6px}.options-grid{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,1fr);gap:8px;width:95vw}.option-box{font-size:1rem;aspect-ratio:1/1}.results-page{padding:12px}.results-bar{grid-template-columns:repeat(10,1fr);gap:6px;max-width:360px;padding:10px}.result-dot{height:28px;width:28px;font-size:.8rem}.results-page h2{font-size:1.6rem}}@media(max-width:400px){.name-card{width:95%;padding:25px 20px;box-shadow:0 6px 18px #0032781a}.name-input{width:100%;font-size:.9rem;padding:10px}.age-buttons{gap:8px}.age-box{padding:8px 10px;font-size:.85rem;min-width:60px}.name-title{font-size:1.5rem}.start-button.modern{font-size:1rem;padding:12px 20px}}@media(max-width:600px){html,body{height:auto;min-height:100%;overflow-y:auto}.name-card{width:94%;padding:24px 18px;box-shadow:0 6px 18px #00327814;border-radius:14px}.page{min-height:auto;height:auto;overflow-y:visible;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-bottom:30px;background:#f8fbff}.question-grid{width:100%;height:100%;display:grid;gap:10px;justify-items:center;align-items:center}.button-row{display:flex;justify-content:center;align-items:center;gap:12px;width:100%;max-width:600px;margin-bottom:10px}.skip-button,.finish-button{height:44px;font-size:1rem;border-radius:8px;padding:10px 20px;transition:transform .2s ease,background .3s ease}.skip-button:hover,.finish-button:hover{transform:scale(1.05)}.timer{font-size:.9rem;margin-bottom:5px}}@media(min-width:601px){.status-bar{display:grid;grid-template-columns:repeat(15,1fr);grid-template-rows:repeat(3,1fr);gap:5px;justify-items:center;align-items:center;width:100%;max-width:500px;margin:0 auto 20px;padding:5px;box-sizing:border-box}.status-block{width:100%;aspect-ratio:1/1;font-size:.75rem;border:1px solid #4a90e2;border-radius:5px;background:#fff;display:flex;justify-content:center;align-items:center;transition:transform .15s ease,background .2s ease;-webkit-user-select:none;user-select:none}.status-block.answered{background:#a7d3ff}.status-block.active{border:2px solid #1e40af;background:#bfdbfe;font-weight:700;transform:scale(1.05)}}@media(min-width:601px)and (max-width:1024px){.options-grid{grid-template-columns:repeat(3,1fr)}.question-box{width:90vw;height:50vh}.options-grid{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,1fr);gap:10px;max-width:700px}.option-box{font-size:1.1rem}.options-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,1fr);gap:8px;width:95vw;justify-content:center;align-items:center;margin-bottom:12px}.name-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:30px;background:radial-gradient(circle at 30% 30%,#e0f2ff,#f5f9ff);box-sizing:border-box}.name-card{width:80%;height:80vh;max-width:none;padding:60px 70px;border-radius:20px;box-shadow:0 12px 30px #00327826;display:flex;flex-direction:column;justify-content:center;align-items:center;box-sizing:border-box}.name-title{font-size:2.2rem;margin-bottom:12px}.subtitle{font-size:1.1rem;margin-bottom:30px}.name-input{width:80%;max-width:500px;font-size:1.1rem;padding:14px;border-width:2px}.age-buttons{gap:12px;justify-content:center}.age-box{font-size:1rem;padding:10px 18px;min-width:80px}.start-button.modern{width:80%;max-width:500px;font-size:1.2rem;padding:16px 40px;margin-top:25px}}@media(min-width:1024px){.options-grid{grid-template-columns:repeat(4,1fr);gap:15px;max-width:700px}.question-box{width:600px;height:40vh}.options-grid{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,1fr);gap:12px;max-width:700px}.option-box{font-size:1.2rem}}