:root{--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--secondary:#0ea5e9;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--bg-page:#f8fafc;--bg-card:#fff;--border:#e2e8f0;--border-focus:#6366f1;--success:#10b981;--success-bg:#f0fdf4;--success-border:#bbf7d0;--danger:#ef4444;--danger-bg:#fef2f2;--danger-border:#fecaca;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-page);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.container{max-width:1080px;margin:0 auto;padding:2.5rem 1.5rem}.header{text-align:center;margin-bottom:2.5rem}.badge{background:var(--primary-light);color:var(--primary);border-radius:9999px;align-items:center;gap:.35rem;margin-bottom:.75rem;padding:.25rem .75rem;font-size:.8125rem;font-weight:600;display:inline-flex}.title{letter-spacing:-.025em;color:var(--text-main);margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.title-gradient{background:linear-gradient(135deg,#4f46e5 0%,#0ea5e9 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.subtitle{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.125rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:2rem;padding:2rem}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .15s ease-in-out;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{color:var(--text-main);border:1px solid var(--border);background:#f1f5f9}.btn-secondary:hover:not(:disabled){background:#e2e8f0}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-sm{border-radius:var(--radius-sm);padding:.4rem .85rem;font-size:.8125rem}.alert{border-radius:var(--radius-md);margin-top:1.5rem;padding:1rem 1.25rem;font-size:.9rem}.alert-danger{background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger)}.alert-success{background:var(--success-bg);border:1px solid var(--success-border);color:#166534}.stencil-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;max-height:520px;margin-top:1.25rem;padding-right:.5rem;display:grid;overflow-y:auto}.stencil-grid::-webkit-scrollbar{width:6px}.stencil-grid::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:9999px}.stencil-item{border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;background:#fff;flex-direction:column;align-items:center;padding:.85rem;transition:all .2s;display:flex}.stencil-item:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stencil-img-wrapper{border-radius:var(--radius-sm);background:#f8fafc;justify-content:center;align-items:center;width:100%;height:90px;margin-bottom:.75rem;padding:.5rem;display:flex}.stencil-img-wrapper img{object-fit:contain;max-width:100%;max-height:100%}.stencil-title{color:var(--text-main);word-break:break-word;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.35rem;font-size:.8125rem;font-weight:600;line-height:1.25;display:-webkit-box;overflow:hidden}.stencil-dim{color:var(--text-light);margin-top:auto;font-size:.75rem}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:1.25rem;height:1.25rem;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.progress-track{background-color:#e2e8f0;border-radius:9999px;width:100%;height:10px;position:relative;overflow:hidden}.progress-fill{background:var(--primary);border-radius:9999px;width:100%;height:100%}.progress-track-indeterminate .progress-fill{background:linear-gradient(90deg,#4f46e5 0%,#0ea5e9 100%);width:40%;animation:1.4s cubic-bezier(.16,1,.3,1) infinite progress-slide}@keyframes progress-slide{0%{transform:translate(-100%)}to{transform:translate(250%)}}@media (prefers-reduced-motion:reduce){.progress-track-indeterminate .progress-fill{opacity:.6;width:100%;animation:none}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}