.m2h{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-ring: #3b82f6;--color-primary-tint: #eff6ff;--color-accent: #d97706;--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}.m2h *{box-sizing:border-box}.m2h-container{max-width:78rem;margin-inline:auto;padding-inline:1rem;padding-bottom:1rem}@media (min-width: 640px){.m2h-container{padding-inline:1.5rem}}@media (min-width: 1024px){.m2h-container{padding-inline:2rem}}.m2h .card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.5rem}.m2h .card--raised{box-shadow:var(--shadow-raised)}.m2h .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}.m2h .btn:hover{background:var(--color-primary-hover)}.m2h .btn:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.m2h .btn--sm{padding:.4rem .85rem;font-size:.85rem}.m2h .btn--ok,.m2h .btn--ok:hover{background:#047857}.m2h .btn--ghost{background:var(--color-surface);color:var(--color-text-body);border:1px solid var(--color-border-input)}.m2h .btn--ghost:hover{background:var(--color-surface-muted)}.m2h h2.section{font-size:1.5rem;font-weight:700;color:var(--color-text-heading);letter-spacing:-.01em;margin:0}.m2h h3.panel{font-size:1.125rem;font-weight:600;color:var(--color-text-heading);margin:0}.m2h .muted{color:var(--color-text-muted)}.m2h .layout{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:2rem}@media (min-width: 900px){.m2h .layout{grid-template-columns:1fr 1fr;align-items:stretch}}.m2h .pane{display:flex;flex-direction:column;height:100%}.m2h .pane__head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.m2h .editor{width:100%;flex:1 1 auto;min-height:24rem;resize:vertical;padding:1rem;border:1px solid var(--color-border-input);border-radius:var(--radius-input);background:var(--color-surface);color:var(--color-text-heading);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;line-height:1.6;tab-size:2}.m2h .editor:focus{outline:2px solid var(--color-primary-ring);outline-offset:1px;border-color:var(--color-primary-ring)}.m2h .count-line{margin:.75rem 0 0;font-size:.8rem;color:var(--color-text-muted)}.m2h .segmented{display:inline-flex;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:999px;padding:.2rem}.m2h .seg{border:0;background:transparent;cursor:pointer;font-size:.82rem;font-weight:600;color:var(--color-text-muted);padding:.35rem .85rem;border-radius:999px;transition:.15s}.m2h .seg:hover{color:var(--color-text-body)}.m2h .seg--active{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-card)}.m2h .seg:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:2px}.m2h .preview{flex:1 1 auto;min-height:24rem;overflow:auto;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-input);background:var(--color-surface);color:var(--color-text-body)}.m2h .preview-empty{color:var(--color-text-muted);font-style:italic;margin:0}.m2h .preview>:first-child{margin-top:0}.m2h .preview>:last-child{margin-bottom:0}.m2h .preview h1,.m2h .preview h2,.m2h .preview h3,.m2h .preview h4,.m2h .preview h5,.m2h .preview h6{color:var(--color-text-heading);font-weight:700;line-height:1.25;margin:1.5rem 0 .75rem;letter-spacing:-.01em}.m2h .preview h1{font-size:1.7rem;padding-bottom:.3rem;border-bottom:1px solid var(--color-border)}.m2h .preview h2{font-size:1.4rem;padding-bottom:.25rem;border-bottom:1px solid var(--color-border)}.m2h .preview h3{font-size:1.2rem}.m2h .preview h4{font-size:1.05rem}.m2h .preview p{margin:.75rem 0}.m2h .preview a{color:var(--color-primary);text-decoration:underline}.m2h .preview a:hover{color:var(--color-primary-hover)}.m2h .preview strong{color:var(--color-text-heading)}.m2h .preview ul,.m2h .preview ol{margin:.75rem 0;padding-left:1.5rem}.m2h .preview li{margin:.3rem 0}.m2h .preview blockquote{margin:1rem 0;padding:.5rem 1rem;color:var(--color-text-secondary);border-left:4px solid var(--color-primary-ring);background:var(--color-primary-tint);border-radius:0 var(--radius-input) var(--radius-input) 0}.m2h .preview blockquote>:first-child{margin-top:0}.m2h .preview blockquote>:last-child{margin-bottom:0}.m2h .preview 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:.1rem .35rem}.m2h .preview pre{margin:1rem 0;padding:1rem;overflow-x:auto;background:#0f172a;border-radius:var(--radius-input)}.m2h .preview pre code{background:transparent;border:0;padding:0;color:#e2e8f0;font-size:.85rem;line-height:1.6}.m2h .preview img{max-width:100%;height:auto;border-radius:var(--radius-input)}.m2h .preview hr{border:0;border-top:1px solid var(--color-border);margin:1.5rem 0}.m2h .preview table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.9rem}.m2h .preview th,.m2h .preview td{border:1px solid var(--color-border);padding:.5rem .75rem;text-align:left}.m2h .preview th{background:var(--color-surface-muted);font-weight:600;color:var(--color-text-heading)}.m2h .preview tr:nth-child(2n) td{background:var(--color-surface-muted)}.m2h .source{flex:1 1 auto;min-height:24rem;overflow:auto;margin:0;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-input);background:#0f172a}.m2h .source code{display:block;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;line-height:1.6;color:#e2e8f0}.m2h .how{margin-top:3.25rem}.m2h .how h2.section{text-align:center}.m2h .how__lead{text-align:center;color:var(--color-text-secondary);margin:.4rem 0 1.75rem}.m2h .steps{display:grid;grid-template-columns:1fr;gap:1.1rem}@media (min-width: 720px){.m2h .steps{grid-template-columns:repeat(3,1fr)}}.m2h .step{text-align:center;padding:1.75rem 1.25rem}.m2h .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}.m2h .step h3{font-size:1.05rem;font-weight:700;color:var(--color-text-heading);margin:0 0 .4rem}.m2h .step p{margin:0;font-size:.9rem;color:var(--color-text-secondary)}.m2h .privacy-line{margin-top:1.75rem;display:flex;align-items:center;gap:1rem;background:#ecfdf5;border:1px solid #a7f3d0}.m2h .privacy-line__icon{font-size:1.5rem;flex:0 0 auto}.m2h .privacy-line strong{color:#065f46}.m2h .privacy-line p{margin:0;color:#047857;font-size:.95rem}.m2h .prose{margin-top:2.5rem;max-width:46rem;margin-inline:auto}.m2h .prose h2.section{margin-bottom:.75rem}.m2h .prose p{margin:0 0 1rem;color:var(--color-text-secondary)}.m2h .prose 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:.1rem .35rem;color:var(--color-accent)}.m2h .foot{margin:2.5rem 0 1rem;padding-top:1.25rem;border-top:1px solid var(--color-border);text-align:center}.m2h .foot p{margin:0;font-size:.85rem}