:root{color-scheme:dark;--bg: #131c26;--panel: #1b2733;--line: #2b3a49;--field: #101820;--text: #e4ebf2;--muted: #8ea0b2;--amber: #f0a63a;--found: #4fcb8e;--danger: #f07a6a;--sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 var(--sans)}main{max-width:960px;margin:0 auto;padding:32px 20px 64px}h1{font-size:26px;font-weight:600;margin:0 0 4px;letter-spacing:-.01em}.sub{color:var(--muted);margin:0 0 28px}section{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:16px}h2{font-size:15px;font-weight:600;margin:0 0 14px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}.full{grid-column:1 / -1}label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}input[type=text],input[type=number]{width:100%;background:var(--field);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:9px 11px;font:14px var(--mono)}input:focus-visible,button:focus-visible,.seg input:focus-visible+span{outline:2px solid var(--amber);outline-offset:2px}.hint{font-size:12.5px;color:var(--muted);margin-top:4px}.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}.seg label{margin:0}.seg input{position:absolute;opacity:0}.seg span{display:block;padding:8px 14px;color:var(--muted);cursor:pointer;font-size:14px}.seg input:checked+span{background:var(--line);color:var(--text)}.actions{display:flex;gap:12px;align-items:center;margin-top:18px;flex-wrap:wrap}button{font:600 14px var(--sans);border-radius:6px;padding:10px 18px;cursor:pointer;border:1px solid transparent}.primary{background:var(--amber);color:#1a1206}.primary:hover{filter:brightness(1.08)}.stop{background:transparent;color:var(--danger);border-color:var(--danger)}.link{background:none;color:var(--muted);padding:10px 4px;text-decoration:underline;text-underline-offset:3px;font-weight:400}.link:hover{color:var(--text)}button:disabled{opacity:.45;cursor:not-allowed}.error{color:var(--danger);margin-top:12px;min-height:1em}.range{position:relative;height:44px;background:var(--field);border:1px solid var(--line);border-radius:6px;overflow:hidden}.seg-fill{position:absolute;top:0;bottom:0;opacity:.28}.tick{position:absolute;top:0;bottom:0;width:2px;transform:translate(-1px)}.range-ends{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--muted);margin-top:6px;gap:12px}.range-ends span{overflow-wrap:anywhere}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}.stat b{display:block;font:500 22px var(--mono);font-variant-numeric:tabular-nums}.stat small{color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse;margin-top:18px;font-size:13.5px}th{text-align:left;font-weight:500;color:var(--muted);padding:6px 8px;border-bottom:1px solid var(--line)}td{padding:6px 8px;border-bottom:1px solid var(--line);font-family:var(--mono);overflow-wrap:anywhere}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:0}.tablewrap{overflow-x:auto}#found{display:none;border-color:var(--found);background:#173025}#found h2{color:var(--found);font-size:20px}.kv{display:grid;grid-template-columns:120px 1fr auto;gap:8px 12px;align-items:center}.kv dt{color:var(--muted);font-size:13px}.kv dd{margin:0;font:14px var(--mono);overflow-wrap:anywhere}.copy{background:transparent;color:var(--found);border:1px solid var(--found);padding:4px 10px;font-size:12.5px}#log{font:12.5px/1.7 var(--mono);color:var(--muted);max-height:180px;overflow-y:auto;margin:0;padding:0;list-style:none}#log li{overflow-wrap:anywhere}@media (max-width: 680px){.grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.kv{grid-template-columns:1fr auto}.kv dt{grid-column:1 / -1;margin-top:6px}}a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--line);background:var(--panel)}.site-header .inner{max-width:960px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:20px}.site-header .brand{font-weight:600;font-size:16px;color:var(--text);display:flex;align-items:center;gap:8px}.site-header nav{display:flex;gap:18px;font-size:14px;margin-left:auto;flex-wrap:wrap}.site-header nav a{color:var(--muted)}.site-header nav a:hover{color:var(--text);text-decoration:none}.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}.site-footer .inner{max-width:960px;margin:0 auto;padding:24px 20px 48px}.prose{max-width:760px}.prose p,.prose li{color:#cdd8e3}.prose h2{font-size:20px;margin:28px 0 10px}.prose h3{font-size:16px;margin:22px 0 8px}.lede{font-size:17px;color:#cdd8e3}.badge{display:inline-block;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px}.badge.solved{background:#4fcb8e26;color:var(--found)}.badge.unsolved{background:#f0a63a26;color:var(--amber)}.badge.pubkey{background:#f07a6a26;color:var(--danger)}table.puzzles{width:100%;border-collapse:collapse;font-size:14px}table.puzzles th,table.puzzles td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}table.puzzles th{color:var(--muted);font-weight:600}table.puzzles td.mono,.mono{font-family:var(--mono)}.cardgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.pcard{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;display:block}.pcard:hover{border-color:var(--amber);text-decoration:none}.pcard .n{font-size:20px;font-weight:600;color:var(--text)}.pcard .meta{font-size:12px;color:var(--muted);margin-top:4px}.kv{display:grid;grid-template-columns:140px 1fr;gap:6px 14px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0}.notice{font-size:13px;color:var(--muted);border-left:2px solid var(--line);padding-left:12px;margin:14px 0}.warn{border-left-color:var(--danger);color:#e8b3ab}