.se{--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;--color-error: #b91c1c;--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}.se *{box-sizing:border-box}.se-container{max-width:72rem;margin-inline:auto;padding-inline:1rem;padding-bottom:1rem}@media (min-width: 640px){.se-container{padding-inline:1.5rem}}@media (min-width: 1024px){.se-container{padding-inline:2rem}}.se .card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.5rem}.se .card--raised{box-shadow:var(--shadow-raised)}.se .btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--color-primary);color:#fff;font-weight:600;padding:.625rem 1.5rem;border-radius:var(--radius-input);border:0;cursor:pointer;text-decoration:none;transition:.15s;font-size:1rem}.se .btn:hover{background:var(--color-primary-hover)}.se .btn:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.se .btn:disabled{opacity:.55;cursor:not-allowed}.se .btn--sm{padding:.4rem .85rem;font-size:.85rem}.se .btn--ghost{background:var(--color-surface);color:var(--color-text-body);border:1px solid var(--color-border-input)}.se .btn--ghost:hover:not(:disabled){background:var(--color-surface-muted)}.se h2.section{font-size:1.5rem;font-weight:700;color:var(--color-text-heading);letter-spacing:-.01em;margin:0}.se .muted{color:var(--color-text-muted)}.se label.field{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-body)}.se code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:.3rem;padding:.05rem .35rem;color:var(--color-text-heading)}.se .controls{display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;margin-top:2rem;padding:1.25rem 1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}.se .control-block{display:flex;flex-direction:column;gap:.5rem}.se .control-label{font-size:.8rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}.se .seg{display:inline-flex;padding:.25rem;gap:.25rem;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:999px}.se .seg__btn{appearance:none;border:0;background:transparent;cursor:pointer;font-size:.9rem;font-weight:600;color:var(--color-text-secondary);padding:.45rem 1rem;border-radius:999px;transition:.15s}.se .seg__btn:hover:not(.is-active){color:var(--color-text-heading)}.se .seg__btn.is-active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-card)}.se .seg__btn:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.se .layout{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:1.5rem}@media (min-width: 920px){.se .layout{grid-template-columns:1fr 1fr;align-items:start}}.se .editor-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.6rem;flex-wrap:wrap}.se .editor-actions{display:inline-flex;gap:.5rem}.se .editor{width:100%;min-height:300px;resize:vertical;padding:1rem 1.1rem;border:1px solid var(--color-border-input);border-radius:var(--radius-input);background:var(--color-surface);color:var(--color-text-heading);font-size:.95rem;line-height:1.6;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;overflow-wrap:normal;overflow-x:auto;tab-size:2}.se .editor:focus{outline:2px solid var(--color-primary-ring);outline-offset:1px;border-color:var(--color-primary-ring)}.se .editor::placeholder{color:#9ca3af}.se .editor--out{background:var(--color-surface-muted)}.se .editor.is-error{border-color:var(--color-error);background:#fef2f2}.se .editor-hint{margin:.75rem 0 0;font-size:.85rem;color:var(--color-text-muted)}.se .editor-hint.is-error{color:var(--color-error);font-weight:600}.se .how{margin-top:3.25rem}.se .how h2.section{text-align:center}.se .how__lead{text-align:center;color:var(--color-text-secondary);margin:.4rem 0 1.75rem}.se .steps{display:grid;grid-template-columns:1fr;gap:1.1rem}@media (min-width: 720px){.se .steps{grid-template-columns:repeat(3,1fr)}}.se .step{text-align:center;padding:1.75rem 1.25rem}.se .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}.se .step h3{font-size:1.05rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .4rem}.se .step p{margin:0;font-size:.9rem;color:var(--color-text-secondary)}.se .about{margin-top:2rem;max-width:52rem;margin-inline:auto}.se .about h3{font-size:1.2rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .75rem}.se .about p{margin:0 0 1rem;color:var(--color-text-body);font-size:.98rem;line-height:1.65}.se .about p:last-child{margin-bottom:0}.se .about strong{color:var(--color-text-heading)}.se .privacy-line{margin-top:1.75rem;display:flex;align-items:center;gap:1rem;background:#ecfdf5;border:1px solid #a7f3d0}.se .privacy-line__icon{font-size:1.5rem;flex:0 0 auto}.se .privacy-line strong{color:#065f46}.se .privacy-line p{margin:0;color:#047857;font-size:.95rem}.se .foot{margin:2.5rem 0 1rem;padding-top:1.25rem;border-top:1px solid var(--color-border);text-align:center}.se .foot p{margin:0;font-size:.85rem}