.tr{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-ring: #3b82f6;--color-primary-tint: #eff6ff;--color-surface: #ffffff;--color-surface-muted: #f9fafb;--color-border: #e5e7eb;--color-border-input: #d1d5db;--color-text-heading: #111827;--color-text-body: #374151;--color-text-secondary: #4b5563;--color-text-muted: #6b7280;--gradient-hero: linear-gradient(to right, #eef2ff, #ffffff, #fdf2f8);--radius-input: .5rem;--radius-card: 1rem;--shadow-card: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-raised: 0 10px 15px -3px rgb(0 0 0 / .1);color:var(--color-text-body);background:#fcfcfd;line-height:1.5;-webkit-font-smoothing:antialiased}.tr *{box-sizing:border-box}.tr-container{max-width:60rem;margin-inline:auto;padding-inline:1rem;padding-bottom:1rem}@media (min-width: 640px){.tr-container{padding-inline:1.5rem}}@media (min-width: 1024px){.tr-container{padding-inline:2rem}}.tr .card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.5rem}.tr .card--raised{box-shadow:var(--shadow-raised)}.tr .btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--color-primary);color:#fff;font-weight:600;padding:.55rem 1.25rem;border-radius:var(--radius-input);border:0;cursor:pointer;text-decoration:none;transition:.15s;font-size:1rem}.tr .btn:hover:not(:disabled){background:var(--color-primary-hover)}.tr .btn:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.tr .btn:disabled{opacity:.5;cursor:not-allowed}.tr .btn--sm{padding:.38rem .8rem;font-size:.82rem}.tr .btn--ghost{background:var(--color-surface);color:var(--color-text-body);border:1px solid var(--color-border-input)}.tr .btn--ghost:hover:not(:disabled){background:var(--color-surface-muted)}.tr label.field{display:block;font-size:.875rem;font-weight:600;color:var(--color-text-body);margin-bottom:.4rem}.tr .input{width:100%;padding:.7rem .8rem;border:1px solid var(--color-border-input);border-radius:var(--radius-input);background:var(--color-surface);color:var(--color-text-heading);font-size:.95rem;font-family:inherit}.tr .input:focus{outline:2px solid var(--color-primary-ring);outline-offset:1px;border-color:var(--color-primary-ring)}select.input{cursor:pointer}.tr .area{min-height:8.5rem;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;line-height:1.55;white-space:pre;overflow-wrap:normal}.tr .area--out{background:var(--color-surface-muted)}.tr h2.section{font-size:1.5rem;font-weight:700;color:var(--color-text-heading);letter-spacing:-.01em;margin:0}.tr .muted{color:var(--color-text-muted)}.tr code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:.35rem;padding:.05rem .3rem}.tr .stack{margin-top:2rem;display:grid;gap:1.25rem}.tr .io{margin-top:1.25rem}.tr .io:first-of-type{margin-top:0}.tr .controls{margin-top:1.25rem;display:grid;gap:1rem;grid-template-columns:1fr}@media (min-width: 620px){.tr .controls{grid-template-columns:repeat(3,1fr)}}.tr .control{min-width:0}.tr .control .field{margin-bottom:.4rem}.tr .check{display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem;font-size:.88rem;color:var(--color-text-secondary);cursor:pointer;user-select:none}.tr .check input{width:1rem;height:1rem;accent-color:var(--color-primary);cursor:pointer}.tr .out-head{display:flex;align-items:flex-end;justify-content:space-between;gap:.75rem;flex-wrap:wrap;margin-bottom:.4rem}.tr .out-head .field{margin-bottom:0}.tr .out-actions{display:inline-flex;gap:.4rem;flex-wrap:wrap}.tr .note{margin:.7rem 0 0;padding:.65rem .8rem;border-radius:var(--radius-input);font-size:.84rem;line-height:1.45;background:var(--color-primary-tint);color:var(--color-primary-hover);border:1px solid #bfdbfe}.tr .note--warn{background:#fffbeb;color:#b45309;border-color:#fde68a}.tr .how{margin-top:3.25rem}.tr .how h2.section{text-align:center}.tr .how__lead{text-align:center;color:var(--color-text-secondary);margin:.6rem auto 1.75rem;max-width:46rem}.tr .steps{display:grid;grid-template-columns:1fr;gap:1.1rem}@media (min-width: 720px){.tr .steps{grid-template-columns:repeat(3,1fr)}}.tr .step{text-align:center;padding:1.75rem 1.25rem}.tr .step__n{width:2.5rem;height:2.5rem;margin:0 auto .9rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;color:var(--color-primary);background:var(--color-primary-tint);border:1px solid #bfdbfe}.tr .step h3{font-size:1.05rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .4rem}.tr .step p{margin:0;font-size:.9rem;color:var(--color-text-secondary)}.tr .about{margin-top:2rem;max-width:52rem;margin-inline:auto}.tr .about h3{font-size:1.2rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .75rem}.tr .about p{margin:0 0 1rem;color:var(--color-text-body);font-size:.98rem;line-height:1.65}.tr .about p:last-child{margin-bottom:0}.tr .about strong{color:var(--color-text-heading)}.tr .privacy-line{margin-top:1.75rem;display:flex;align-items:center;gap:1rem;background:#ecfdf5;border:1px solid #a7f3d0}.tr .privacy-line__icon{font-size:1.5rem;flex:0 0 auto}.tr .privacy-line strong{color:#065f46}.tr .privacy-line p{margin:0;color:#047857;font-size:.95rem}.tr .foot{margin:2.5rem 0 1rem;padding-top:1.25rem;border-top:1px solid var(--color-border);text-align:center}.tr .foot p{margin:0;font-size:.85rem}