:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#e5e7eb;--secondary-hover:#d1d5db;--danger:#ef4444;--danger-hover:#dc2626;--text-main:#111827;--text-muted:#6b7280;--bg-main:#f9fafb;--bg-card:#fff;--border:#e5e7eb;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:.5rem;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 1px 3px #0000001a}.btn{cursor:pointer;border:none;border-radius:.375rem;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:var(--text-main)}.btn-secondary:hover:not(:disabled){background-color:var(--secondary-hover)}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:var(--danger-hover)}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;display:flex}.title{font-size:1.5rem;font-weight:700}.file-input-wrapper{display:inline-block;position:relative;overflow:hidden}.file-input{opacity:0;cursor:pointer;font-size:100px;position:absolute;top:0;left:0}.grid{gap:1.5rem;display:grid}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.question-card{background:var(--bg-main);border:1px solid var(--border);border-radius:.5rem;margin-bottom:1rem;padding:1rem}.question-header{justify-content:space-between;margin-bottom:.5rem;font-weight:600;display:flex}.badge{background-color:var(--secondary);color:var(--text-main);border-radius:9999px;padding:.25rem .5rem;font-size:.875rem;font-weight:500}.badge-success{color:#065f46;background-color:#d1fae5}.answer-text{white-space:pre-wrap;background:var(--bg-card);border:1px solid var(--border);border-radius:.25rem;margin-bottom:1rem;padding:1rem;font-family:monospace}.comment{color:#92400e;background:#fef3c7;border-left:4px solid #f59e0b;border-radius:.25rem;margin-bottom:.5rem;padding:.75rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);text-align:center;border-radius:.5rem;padding:1.5rem}.stat-value{color:var(--primary);font-size:2rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.loader{border:3px solid var(--secondary);border-top:3px solid var(--primary);border-radius:50%;width:24px;height:24px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.toast{background:var(--text-main);color:#fff;z-index:50;border-radius:.5rem;padding:1rem 1.5rem;animation:.3s ease-out slideUp;position:fixed;bottom:2rem;right:2rem;box-shadow:0 4px 6px #0000001a}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.links-section{gap:1rem;margin-top:1rem;display:flex}