.container{max-width:800px;margin:0 auto;padding:1.5rem}.header{border-bottom:2px solid var(--border);text-align:center;margin-bottom:2rem;padding-bottom:2rem}.header h1{color:var(--text-main);margin-bottom:.5rem;font-size:1.8rem}.score-card{border-radius:var(--radius);text-align:center;background-color:#f0fdf4;border:1px solid #bbf7d0;flex-direction:column;gap:1rem;margin-top:1.5rem;padding:1.5rem;display:flex}.score-card h2{color:#166534;margin-bottom:.25rem;font-size:1.25rem}.score-card p{color:#15803d;font-size:.9rem}.score-value{color:var(--success);font-size:3.5rem;font-weight:800;line-height:1}.features-list{flex-direction:column;gap:1.25rem;margin-bottom:3rem;display:flex}.feature-item{background-color:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:1.25rem;padding:1.5rem;transition:all .2s;display:flex}.feature-item.active{box-shadow:var(--shadow);background-color:#eff6ff;border-color:#93c5fd}.feature-info h3{color:var(--text-main);margin-bottom:.5rem;font-size:1.15rem}.feature-info p{color:var(--text-muted);font-size:.95rem;line-height:1.5}.btn{cursor:pointer;text-align:center;border:none;border-radius:8px;width:100%;padding:.85rem 1.5rem;font-size:.95rem;font-weight:600;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-danger{background-color:var(--error);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-ai{background-color:var(--primary);color:#fff}.btn-ai:hover{background-color:var(--primary-dark)}.btn-ai:disabled{cursor:not-allowed;background-color:#94a3b8}.btn:active{transform:scale(.98)}.ai-section{border-top:2px dashed #cbd5e1;margin-bottom:3rem;padding-top:2.5rem}.ai-header{text-align:center;flex-direction:column;gap:1.25rem;margin-bottom:2rem;display:flex}.ai-header h2{color:var(--text-main);font-size:1.5rem}.ai-question-card{border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;background-color:#f8fafc;margin-bottom:1.25rem;padding:1.5rem;box-shadow:0 1px 3px #0000000d}.ai-topic-badge{text-transform:uppercase;color:var(--primary);letter-spacing:.05em;margin-bottom:.75rem;font-size:.75rem;font-weight:700;display:inline-block}.ai-question-text{color:var(--text-main);margin-bottom:1.25rem;font-size:1.1rem;font-weight:600;line-height:1.4}.ai-validation-box{color:#3730a3;background-color:#e0e7ff;border-radius:6px;padding:1rem;font-size:.9rem;line-height:1.5}.error-msg{color:#b91c1c;text-align:center;background-color:#fef2f2;border-radius:6px;margin-bottom:1.5rem;padding:1rem;font-weight:500}.error-boundary-container{border-radius:var(--radius);text-align:center;max-width:600px;box-shadow:var(--shadow);background-color:#fef2f2;border:2px solid #fca5a5;margin:4rem auto;padding:2rem}.error-boundary-title{color:#991b1b;margin-bottom:.75rem;font-size:1.5rem}.error-boundary-desc{color:#7f1d1d;margin-bottom:1.5rem;font-size:.95rem}.error-boundary-pre{color:#991b1b;text-align:left;background-color:#fee2e2;border:1px solid #f87171;border-radius:6px;margin-bottom:2rem;padding:1.25rem;font-size:.85rem;overflow-x:auto}@media (width>=640px){.container{padding:4rem 2rem}.header{text-align:left}.score-card{text-align:left;flex-direction:row;justify-content:space-between;align-items:center}.feature-item{flex-direction:row;justify-content:space-between;align-items:center}.feature-info{max-width:75%}.btn{width:auto;min-width:150px}.ai-header{text-align:left;flex-direction:row;justify-content:space-between;align-items:center}}:root{--primary:#6366f1;--primary-dark:#4f46e5;--success:#22c55e;--error:#ef4444;--bg-app:#f8fafc;--bg-card:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--radius:12px;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}