:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#121417;--surface:#1b1e23;--surface-2:#252a31;--border:#323843;--text:#eef1f4;--muted:#9aa3ae;--accent:#1abc9c;--accent-strong:#16a085;--accent-text:#06261f;--warn:#f39c12;--danger:#e74c3c;--pos:#2ecc71;--radius:10px;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);min-height:100vh;color:var(--text);font:16px/1.55 var(--font);flex-direction:column;margin:0;display:flex}main{flex:1}a{color:var(--accent)}a:hover{color:#48d1b5}img{max-width:100%;height:auto}h1,h2,h3{margin:0 0 .5em;line-height:1.2}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.muted{color:var(--muted)}.pos{color:var(--pos)}.neg{color:var(--danger)}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}kbd{border:1px solid var(--border);background:var(--surface-2);min-width:1.8em;font:.85em var(--mono);text-align:center;border-bottom-width:2px;border-radius:5px;padding:.05em .4em;display:inline-block}.site-header{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);background:#121417eb;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:16px;min-height:56px;display:flex}.brand img{width:auto;height:30px;display:block}.nav nav{gap:4px;display:flex}.nav nav a{color:var(--muted);border-radius:8px;padding:8px 12px;font-weight:500;text-decoration:none}.nav nav a:hover{color:var(--text);background:var(--surface)}.nav nav a[aria-current=page]{color:var(--text);background:var(--surface-2)}.site-footer{border-top:1px solid var(--border);color:var(--muted);margin-top:48px;padding:24px 0;font-size:.9rem}.site-footer p{margin:.25em 0}.ad{text-align:center;margin-top:32px}.ad:empty{display:none}.btn{border:1px solid var(--border);background:var(--surface-2);min-height:40px;color:var(--text);font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.btn:hover:not(:disabled){color:var(--text);background:#2f353e}.btn:focus-visible,input:focus-visible,.link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.btn.primary:hover:not(:disabled){color:var(--accent-text);background:#2fd3b2}.btn.danger{color:#ff8a7d}.btn.on{border-color:var(--warn);color:var(--warn)}.btn.big{min-height:56px;padding:12px 22px;font-size:1.1rem}.btn.small{min-height:34px;padding:4px 10px;font-size:.9rem}.btn.icon{min-width:40px;padding:8px}.btn.icon.small{min-width:34px;padding:4px}.btn.icon.tiny{min-width:30px;min-height:30px;padding:3px}.link{color:var(--accent);font:inherit;cursor:pointer;text-underline-offset:2px;background:0 0;border:0;padding:0;text-decoration:underline}.link:disabled{color:inherit;cursor:default;text-decoration:none}input[type=text],input[type=number]{border:1px solid var(--border);background:var(--bg);width:100%;min-height:38px;color:var(--text);font:inherit;border-radius:8px;padding:6px 10px}input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}.hero{text-align:center;background:radial-gradient(at 50% 0,#1abc9c2e,#0000 65%);padding:72px 0 56px}.hero h1{max-width:18ch;margin:0 auto .4em;font-size:clamp(2rem,5vw,3.4rem)}.hero .lead{max-width:60ch;color:var(--muted);margin:0 auto;font-size:1.15rem}.cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px;display:flex}.features{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.features article{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:20px}.features h2{color:var(--accent);font-size:1.15rem}.features p{color:var(--muted);margin:0}.prose{max-width:760px;padding-top:32px}.prose h1{font-size:2.2rem}.prose h2{color:var(--accent);margin-top:1.8em;font-size:1.35rem}.prose dt{margin-top:.8em;font-weight:600}.prose dd{color:var(--muted);margin:.2em 0 0}.prose h3{margin:1.2em 0 .2em;font-size:1.05rem}.prose li{margin:.3em 0}.shortcuts{border-collapse:collapse}.shortcuts td{border-bottom:1px solid var(--border);padding:6px 16px 6px 0}@media (width<=520px){.nav nav a{padding:8px}.hero{padding:48px 0 40px}}.timer-about{color:var(--muted);padding-top:48px}.timer-about h1{color:var(--text);font-size:1.5rem}