:root{--bg: #ffffff;--panel: #ffffff;--ink: #000000;--muted: #525252;--line: #cfcfcf;--accent: #000000;--accent-light: #f2f2f2;--accent-ink: #ffffff;--code-bg: #000000;--code-fg: #ffffff;--radius: 0}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Avenir Next,Segoe UI,Helvetica Neue,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}.page{width:100%;overflow-x:hidden}.topbar{display:flex;align-items:center;gap:.75rem;padding:1rem 1.5rem;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:1.15rem;letter-spacing:.02em;color:var(--accent)}.brand-sub{color:var(--muted);font-size:.9rem}.nav-links a{color:var(--accent);text-decoration:none;font-weight:600;font-size:.9rem}.nav-links a:hover{text-decoration:underline}.container{max-width:960px;margin:0 auto;padding:1.5rem 1.25rem 3rem;width:100%}.page{min-height:100vh}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.25rem;min-width:0}.hero{text-align:center;padding:2.5rem 1.5rem}.hero h1{font-size:2.5rem;font-weight:800;margin-bottom:.5rem;letter-spacing:-.02em}.lead{font-size:1.1rem;max-width:600px;margin:0 auto .5rem}.muted{color:var(--muted)}.badge-row{display:flex;justify-content:center;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.badge{display:inline-block;background:var(--accent-light);color:var(--accent);font-weight:600;font-size:.8rem;padding:.3rem .7rem;border-radius:0;border:1px solid var(--line)}h2{font-size:1.5rem;font-weight:700;margin-bottom:.35rem}h3{font-size:1.1rem;font-weight:700;margin-bottom:.35rem}h4{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:.35rem;color:var(--muted)}p{margin-bottom:.5rem}pre{background:var(--code-bg);color:var(--code-fg);border-radius:0;padding:.75rem 1rem;overflow-x:auto;max-width:100%;font-size:.85rem;line-height:1.5;margin-bottom:.5rem}code{font-family:SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.grammar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:1rem}.grammar-item{background:var(--bg);border:1px solid var(--line);border-radius:0;padding:1rem}.grammar-item p{font-size:.9rem;color:var(--muted);margin-bottom:0}.comparison{border-top:1px solid var(--line);padding-top:1.25rem;margin-top:1.25rem}.comparison:first-of-type{border-top:none;margin-top:1rem;padding-top:0}.side-by-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:.5rem}.column{min-width:0}.column pre{margin-bottom:0}.demo-box{background:var(--bg);border:1px solid var(--line);border-radius:0;padding:1.25rem;margin-top:.75rem}.counter-display{text-align:center;margin-bottom:1rem}.counter-value{font-size:3rem;font-weight:800;color:var(--accent)}.counter-controls{display:flex;justify-content:center;gap:.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:0;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-weight:600;font-size:.9rem;cursor:pointer;font-family:inherit}.btn:hover{background:var(--bg);border-color:var(--muted)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn.primary:hover{opacity:.9}.btn.secondary{background:transparent;color:var(--accent);border-color:var(--accent)}.btn:disabled{opacity:.4;cursor:not-allowed}.todo-input-row{display:flex;gap:.5rem;margin-bottom:.75rem}.todo-input{flex:1;padding:.5rem .75rem;border:1px solid var(--line);border-radius:0;font-size:.9rem;font-family:inherit;outline:none}.todo-input:focus{border-color:var(--accent)}.todo-list{list-style:none;padding:0}.todo-item{display:flex;align-items:center;gap:.5rem;padding:.5rem 0;border-bottom:1px solid var(--line)}.todo-item:last-child{border-bottom:none}.todo-item.done .todo-text{text-decoration:line-through;color:var(--muted)}.todo-text{flex:1}.btn-ghost{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.9rem;padding:.25rem .5rem;border-radius:4px}.btn-ghost:hover{background:#f2f2f2;color:#000}.empty{text-align:center;color:var(--muted);padding:1rem 0}.setup-steps{margin-top:1rem}.step{display:flex;gap:1rem;margin-bottom:1.25rem;align-items:flex-start}.step:last-child{margin-bottom:0}.step-num{display:flex;align-items:center;justify-content:center;min-width:2rem;height:2rem;border-radius:0;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:.85rem;flex-shrink:0;margin-top:.15rem}.step>div{flex:1;min-width:0}.step h4{text-transform:none;color:var(--ink);font-size:.95rem;letter-spacing:0}.footer{text-align:center;padding:2rem 0 1rem;color:var(--muted);font-size:.85rem}.bench-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin:1.25rem 0}.bench-stat{display:flex;flex-direction:column;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:0;padding:1rem .5rem}.bench-num{font-size:1.6rem;font-weight:800;line-height:1.2}.bench-num.accent{color:var(--accent)}.bench-label{font-size:.8rem;color:var(--muted);margin-top:.2rem;text-align:center}.bench-table-wrap{overflow-x:auto;margin:.75rem 0 1.25rem}.bench-table{width:100%;border-collapse:collapse;font-size:.9rem}.bench-table th,.bench-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--line)}.bench-table th{font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg)}.bench-table tbody tr:hover{background:var(--accent-light)}.savings{color:var(--accent);font-weight:600}.savings.best{background:var(--accent-light);border-radius:0;padding:.15rem .4rem}.bench-note{font-size:.8rem;margin-top:.5rem}.nav-link{color:var(--accent);text-decoration:none;font-weight:600;font-size:.9rem}.nav-link:hover{text-decoration:underline}.nav-links{margin-left:auto;display:flex;gap:1rem;flex-wrap:wrap}@media (max-width: 640px){.topbar{padding:.85rem 1rem;flex-direction:column;align-items:flex-start;gap:.5rem}.nav-links{margin-left:0;width:100%;display:grid;grid-template-columns:1fr;gap:.35rem}.container{padding:1rem .85rem 2.25rem}.hero h1{font-size:1.8rem}.lead{font-size:1rem}.side-by-side,.grammar-grid{grid-template-columns:1fr}.counter-controls{flex-wrap:wrap}.counter-controls .btn{flex:1 1 calc(33.333% - .5rem);min-width:5rem}.todo-input-row{flex-direction:column}.todo-input-row .btn{width:100%}.todo-item{align-items:flex-start}.step{gap:.65rem}.bench-table{font-size:.82rem;min-width:520px}}
