.rn{--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}.rn *{box-sizing:border-box}.rn-container{max-width:60rem;margin-inline:auto;padding-inline:1rem;padding-bottom:1rem}@media (min-width: 640px){.rn-container{padding-inline:1.5rem}}@media (min-width: 1024px){.rn-container{padding-inline:2rem}}.rn .card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.5rem}.rn .card--raised{box-shadow:var(--shadow-raised)}.rn .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}.rn .btn:hover{background:var(--color-primary-hover)}.rn .btn:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.rn .btn:disabled{opacity:.5;cursor:not-allowed}.rn .btn--sm{padding:.38rem .8rem;font-size:.82rem}.rn .btn--ghost{background:var(--color-surface);color:var(--color-text-body);border:1px solid var(--color-border-input)}.rn .btn--ghost:hover:not(:disabled){background:var(--color-surface-muted)}.rn label.field{display:block;font-size:.875rem;font-weight:600;color:var(--color-text-body);margin-bottom:.4rem}.rn .input{width:100%;padding:.7rem .9rem;border:1px solid var(--color-border-input);border-radius:var(--radius-input);background:var(--color-surface);color:var(--color-text-heading);font-size:1.05rem;font-family:inherit}.rn .input:focus{outline:2px solid var(--color-primary-ring);outline-offset:1px;border-color:var(--color-primary-ring)}.rn .input::placeholder{color:#9ca3af}.rn .input--upper{text-transform:uppercase;letter-spacing:.06em}.rn .result{display:block;width:100%;min-height:4.25rem;padding:1rem 1.1rem;border-radius:var(--radius-input);background:var(--color-surface-muted);border:1px solid var(--color-border);color:var(--color-text-muted);font-size:2rem;font-weight:800;letter-spacing:.04em;line-height:1.2;word-break:break-all}.rn .result:empty:before{content:"Result appears here";font-size:1rem;font-weight:500;letter-spacing:0;color:#9ca3af}.rn .result--filled{color:var(--color-primary);background:var(--color-primary-tint);border-color:#bfdbfe}.rn h2.section{font-size:1.5rem;font-weight:700;color:var(--color-text-heading);letter-spacing:-.01em;margin:0}.rn h3.panel{font-size:1.125rem;font-weight:600;color:var(--color-text-heading);margin:0 0 1rem}.rn .muted{color:var(--color-text-muted)}.rn .stack{margin-top:2rem;display:grid;gap:1.25rem}.rn .tabs{display:inline-flex;gap:.3rem;padding:.3rem;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:999px;align-self:center;max-width:100%;flex-wrap:wrap;justify-content:center}.rn .tab{border:0;background:transparent;cursor:pointer;font-size:.92rem;font-weight:600;color:var(--color-text-muted);padding:.5rem 1.1rem;border-radius:999px;transition:.15s}.rn .tab:hover{color:var(--color-text-heading)}.rn .tab.is-active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-card)}.rn .tab:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.rn .io{margin-top:1.1rem}.rn .io:first-of-type{margin-top:0}.rn .out-head{display:flex;align-items:flex-end;justify-content:space-between;gap:.75rem;flex-wrap:wrap;margin-bottom:.4rem}.rn .out-head .field{margin-bottom:0}.rn .out-actions{display:inline-flex;gap:.4rem;flex-wrap:wrap}.rn .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}.rn .note--warn{background:#fffbeb;color:#b45309;border-color:#fde68a}.rn .chart{display:grid;grid-template-columns:repeat(7,1fr);gap:.6rem}.rn .chart__item{display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.75rem .25rem;border-radius:var(--radius-input);background:var(--color-surface-muted);border:1px solid var(--color-border)}.rn .chart__sym{font-size:1.4rem;font-weight:800;color:var(--color-primary);line-height:1}.rn .chart__val{font-size:.82rem;color:var(--color-text-muted);font-variant-numeric:tabular-nums}@media (max-width: 620px){.rn .chart{grid-template-columns:repeat(4,1fr)}}@media (max-width: 360px){.rn .chart{grid-template-columns:repeat(3,1fr)}}.rn .how{margin-top:3.25rem}.rn .how h2.section{text-align:center}.rn .how__lead{text-align:center;color:var(--color-text-secondary);margin:.6rem auto 1.75rem;max-width:48rem}.rn .steps{display:grid;grid-template-columns:1fr;gap:1.1rem}@media (min-width: 720px){.rn .steps{grid-template-columns:repeat(3,1fr)}}.rn .step{text-align:center;padding:1.75rem 1.25rem}.rn .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}.rn .step h3{font-size:1.05rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .4rem}.rn .step p{margin:0;font-size:.9rem;color:var(--color-text-secondary)}.rn .about{margin-top:2rem;max-width:52rem;margin-inline:auto}.rn .about h3{font-size:1.2rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .75rem}.rn .about p{margin:0 0 1rem;color:var(--color-text-body);font-size:.98rem;line-height:1.65}.rn .about p:last-child{margin-bottom:0}.rn .about strong{color:var(--color-text-heading)}.rn .privacy-line{margin-top:1.75rem;display:flex;align-items:center;gap:1rem;background:#ecfdf5;border:1px solid #a7f3d0}.rn .privacy-line__icon{font-size:1.5rem;flex:0 0 auto}.rn .privacy-line strong{color:#065f46}.rn .privacy-line p{margin:0;color:#047857;font-size:.95rem}.rn .foot{margin:2.5rem 0 1rem;padding-top:1.25rem;border-top:1px solid var(--color-border);text-align:center}.rn .foot p{margin:0;font-size:.85rem}