.nf{box-sizing:border-box;min-height:100dvh;color:var(--text);flex-direction:column;align-items:center;gap:12vh;padding:20px 16px 48px;display:flex}.nf-brand{color:var(--text);align-self:flex-start;align-items:center;gap:9px;font-size:17px;font-weight:650;text-decoration:none;display:inline-flex}.nf-brand svg{color:var(--accent,#4338ca)}.nf-card{text-align:center;width:100%;max-width:460px}.nf-card h1{font-size:28px;line-height:1.15;font-family:var(--font-display,"Fraunces", Georgia, serif);margin:0 0 8px;font-weight:600}.nf-lede{color:var(--muted);overflow-wrap:anywhere;margin:0 0 22px;font-size:15px;line-height:1.5}.nf-lede code{font-family:var(--font-mono,"DM Mono", monospace);color:var(--text);font-size:13.5px}.nf-search{gap:8px;display:flex}.nf-field{flex:auto;min-width:0;display:flex;position:relative}.nf-icon{color:var(--muted);pointer-events:none;display:flex;position:absolute;top:50%;left:11px;transform:translateY(-50%)}.nf-field input{box-sizing:border-box;border-radius:var(--r-md);border:1px solid var(--line);background:var(--panel);width:100%;min-width:0;height:44px;color:var(--text);font:inherit;padding:8px 12px 8px 36px;font-size:16px}.nf-field input:focus{outline:2px solid color-mix(in srgb, var(--accent) 55%, transparent);outline-offset:1px;border-color:var(--accent)}.nf-go{border-radius:var(--r-md);cursor:pointer;border:1px solid var(--accent);background:var(--accent);height:44px;color:var(--on-accent,#fff);font:inherit;flex:none;padding:0 16px;font-size:15px;font-weight:620}.nf-links{flex-wrap:wrap;justify-content:center;gap:6px 18px;margin:22px 0 0;font-size:15px;display:flex}.nf-links a{color:var(--text);text-underline-offset:3px}.nf-links a:first-child{color:var(--accent);font-weight:620}.na{color:var(--text);justify-content:center;padding:48px 16px 64px;display:flex}.na-quiet{color:var(--muted);margin:26px 0 0;font-size:13px}.na-quiet a{color:inherit}.series-strip{box-sizing:border-box;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--glass-card,var(--panel));min-width:0;max-width:100%;color:var(--text);align-items:center;gap:10px;padding:6px 10px;display:flex;overflow:hidden}.series-label{white-space:nowrap;flex:none;font-size:13px;font-weight:700;line-height:24px;text-decoration:none;color:var(--text)!important}.series-label:hover{text-underline-offset:3px;text-decoration:underline}.series-dots{flex-wrap:nowrap;align-items:center;gap:2px;min-width:0;margin:0;padding:0;list-style:none;display:flex}.series-dots li{flex:none;margin:0;padding:0}.series-dot{box-sizing:border-box;border:1.5px solid var(--line-thick,var(--line));font-variant-numeric:tabular-nums;background:0 0;border-radius:50%;place-items:center;width:24px;height:24px;font-size:11.5px;font-weight:700;line-height:1;text-decoration:none;display:grid;position:relative;color:var(--muted)!important}.series-dot:hover{border-color:var(--accent);color:var(--text)!important}.series-dot.is-solved{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent);color:var(--text)!important}.series-dot.is-current{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 28%, transparent);cursor:default;color:var(--on-accent)!important}.series-dot:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.series-tick{box-sizing:border-box;background:var(--accent);width:11px;height:11px;color:var(--on-accent);box-shadow:0 0 0 1.5px var(--glass-card,var(--panel));border-radius:50%;padding:1.5px;position:absolute;bottom:-4px;right:-4px}.series-dot.is-current .series-tick{background:var(--on-accent);color:var(--accent)}.series-gap{text-align:center;width:14px;color:var(--muted);-webkit-user-select:none;user-select:none;font-size:13px;line-height:24px}@media (prefers-reduced-motion:no-preference){.series-dot{transition:border-color .15s,background-color .15s}}.series-strip-page{margin:4px 0 10px}.series-strip-panel{border-radius:var(--r-md);gap:8px;margin:0 0 10px;padding:5px 8px}@media (forced-colors:active){.series-dot.is-current{forced-color-adjust:none;background:highlight;border-color:highlight;color:highlighttext!important}.series-dot.is-solved{border-color:highlight}}.win-card .win-series-links{flex-direction:column;gap:8px;margin-top:8px;display:flex}.win-card a.win-quiet-link{box-sizing:border-box;border:1.5px solid var(--line);border-radius:var(--r-md);text-align:center;cursor:pointer;background:0 0;padding:10px 12px;font-size:14px;font-weight:700;line-height:1.2;text-decoration:none;display:block;color:var(--text)!important}.win-card a.win-quiet-link:hover{border-color:var(--accent)}.win-card .win-next .win-next-title{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.series-page{width:100%;max-width:720px;margin:0 auto;padding:4px 0 40px}.series-page h1{overflow-wrap:anywhere;margin:6px 0 2px;font-size:26px;line-height:1.2}.series-page .series-by{color:var(--muted);margin:0 0 14px;font-size:14px}.series-page .series-blurb{max-width:60ch;margin:-6px 0 14px;font-size:15px;line-height:1.5}.series-page .series-play{flex-wrap:wrap;gap:10px;margin:0 0 18px;display:flex}.series-page .series-play button,.series-page .series-play a{border-radius:var(--r-md);border:1.5px solid var(--line);min-height:44px;font:inherit;cursor:pointer;background:0 0;padding:10px 18px;font-size:15px;font-weight:700;text-decoration:none;color:var(--text)!important}.series-page .series-play button.series-go{background:var(--accent);border-color:var(--accent);color:var(--on-accent)!important}.series-page .series-play button:focus-visible,.series-page .series-play a:focus-visible,.series-parts a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.series-parts{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.series-parts a{box-sizing:border-box;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--glass-card,var(--panel));align-items:center;gap:12px;min-height:56px;padding:10px 14px;text-decoration:none;display:flex;color:var(--text)!important}.series-parts a:hover{border-color:var(--accent)}.series-parts .series-no{border:1.5px solid var(--line-thick,var(--line));width:32px;height:32px;color:var(--muted);font-variant-numeric:tabular-nums;border-radius:50%;flex:none;place-items:center;font-size:14px;font-weight:800;display:grid;position:relative}.series-parts .is-solved .series-no{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent);color:var(--text)}.series-parts .series-no .series-tick{width:14px;height:14px;padding:2px;bottom:-5px;right:-5px}.series-parts .series-title{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.series-parts .series-title b{overflow-wrap:anywhere;font-size:16px;line-height:1.25}.series-parts .series-title small{color:var(--muted);font-size:12.5px}.series-parts .diff-chip{flex:none;padding:2px 10px;font-size:12px;font-weight:700}@media (width<=420px){.series-parts .diff-chip{display:none}.series-page h1{font-size:23px}}.pp-series-nav{flex-wrap:wrap;align-items:stretch;gap:10px;display:flex}.pp-series-nav .pp-series-blank{flex:200px}.pp-series-link{box-sizing:border-box;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--glass-card,var(--panel));flex-direction:column;flex:200px;gap:3px;min-width:0;padding:12px 14px;text-decoration:none;display:flex;color:var(--text)!important}.pp-series-link:hover{border-color:var(--accent)}.pp-series-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pp-series-next{text-align:right;align-items:flex-end}.pp-series-dir{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:11.5px;font-weight:700}.pp-series-name{overflow-wrap:anywhere;font-size:15px;font-weight:700;line-height:1.25}@media (width<=480px){.pp-series-nav .pp-series-blank{display:none}.pp-series-next{text-align:left;align-items:flex-start}}.win-card a.win-next{box-sizing:border-box;border-radius:var(--r-md);background:var(--accent);flex-direction:column;justify-content:center;align-items:center;width:100%;padding:12px 22px;font-size:15px;font-weight:700;text-decoration:none;display:flex;color:var(--on-accent)!important}