:root{color-scheme:dark;--bg: #10141a;--bg-raised: #171d26;--bg-input: #0d1116;--line: #26303d;--text: #e6edf3;--muted: #93a1b1;--accent: #5ac36a;--accent-dark: #3d8f4a;--danger: #ef6461;--radius: 10px;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);background:var(--bg-raised)}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:56px;height:56px;flex:none;display:block;image-rendering:pixelated}.topbar h1{font-size:20px;margin:0;letter-spacing:.2px}.tagline{margin:2px 0 0;color:var(--muted);font-size:13px}.ghost-link{border:1px solid var(--line);border-radius:8px;padding:7px 12px;text-decoration:none;font-size:13px;color:var(--muted)}.ghost-link:hover{color:var(--text);border-color:var(--accent-dark)}main{max-width:1080px;margin:0 auto;padding:24px 20px 60px;display:flex;flex-direction:column;gap:18px}.panel{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.panel h2{margin:0 0 4px;font-size:16px}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,260px));justify-content:start;align-items:start;gap:16px 22px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}input,select{background:var(--bg-input);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 10px;font:inherit;font-size:14px;width:100%}input:focus,select:focus{outline:2px solid var(--accent-dark);outline-offset:1px}.field-hint{font-size:11px;color:#6f7c8b;line-height:1.4}.with-unit{position:relative;display:block}.with-unit .unit{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);pointer-events:none}.with-unit input{padding-right:58px}.section{margin-top:26px}.section-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:10px}.hint{color:var(--muted);font-size:13px;margin:0}.biome-group+.biome-group{margin-top:14px}.group-heading{margin:0 0 7px;font-size:11px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:#6f7c8b}.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(186px,1fr));gap:8px}.chip{display:flex;align-items:center;gap:8px;height:38px;padding:0 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg-input);cursor:pointer;user-select:none;overflow:hidden}.chip:hover{border-color:#3a4757}.chip.on{border-color:var(--accent-dark);background:#12241a}.chip input{width:auto;flex:none;margin:0;accent-color:var(--accent)}.chip-name{font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chip-opts{color:var(--muted);font-size:15px;line-height:1;flex:none}.dim-tag{flex:none;font-size:10px;font-weight:600;width:17px;height:17px;line-height:16px;text-align:center;border-radius:5px;border:1px solid var(--line);color:var(--muted)}.dim-tag.nether{color:#e08a72;border-color:#5a3630}.dim-tag.end{color:#c9a4e8;border-color:#4b3a5e}.selected-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));align-items:start;gap:10px}.sel-row{border:1px solid var(--accent-dark);border-radius:9px;background:#12241a;padding:11px 12px}.sel-head{display:flex;align-items:center;gap:8px}.sel-name{font-size:14px;font-weight:600;flex:1}.sel-remove{background:transparent;border:none;color:var(--muted);font-size:13px;padding:2px 5px;line-height:1;border-radius:5px}.sel-remove:hover{color:var(--danger);background:#ef64611f}.sel-note{font-size:11.5px;color:var(--muted);margin:6px 0 0;line-height:1.45}.sel-dist{display:flex;flex-direction:column;gap:4px;margin-top:9px;font-size:11.5px;color:var(--muted)}.sel-dist input{padding:6px 8px;font-size:13px}.rules-list{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}.rules-list:empty{margin-bottom:0}.rule-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border:1px solid var(--line);border-radius:9px;background:var(--bg-input);padding:10px 12px}.rule-row select{width:auto;min-width:130px;padding:6px 8px;font-size:13px}.rule-text{font-size:13px;color:var(--muted)}.rule-dist{width:88px;padding:6px 8px;font-size:13px}.rule-row .sel-remove{margin-left:auto}.rule-warn{flex-basis:100%;margin:2px 0 0;font-size:11.5px;color:var(--danger)}.rule-note{flex-basis:100%;margin:2px 0 0;font-size:11.5px;color:var(--muted);line-height:1.45}button.small{padding:7px 13px;font-size:13px}.sel-variants{margin-top:9px;display:flex;flex-direction:column;gap:8px}.sel-variant{display:flex;flex-direction:column;gap:4px;font-size:11.5px;color:var(--muted)}.sel-variant select{padding:6px 8px;font-size:13px}.exp{color:#d9a441}.advanced{margin-top:18px}.advanced summary{cursor:pointer;color:var(--muted);font-size:13px}.advanced .row{margin-top:12px}.actions{display:flex;align-items:center;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}button{font:inherit;font-size:14px;border-radius:8px;padding:10px 18px;cursor:pointer;border:1px solid transparent}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:var(--accent);color:#0c1710;font-weight:600}.primary:hover:not(:disabled){background:#6ad57a}.secondary{background:transparent;border-color:var(--line);color:var(--text)}.ghost{background:transparent;border-color:transparent;color:var(--muted)}.ghost:hover{color:var(--text)}.hint.slow{color:#d9a441;margin-top:12px}.error{color:var(--danger);font-size:13.5px;margin:14px 0 0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.stats div{display:flex;flex-direction:column}.stats strong{font-size:22px;font-variant-numeric:tabular-nums}.stats span{font-size:12px;color:var(--muted)}.bar{margin-top:16px;height:4px;border-radius:999px;background:var(--bg-input);overflow:hidden}.bar[hidden]{display:none}.status{margin:14px 0 0;font-size:13.5px;color:var(--muted)}.status:empty{display:none}.status.done{color:var(--accent)}.status.warn{color:#d9a441}#bar-fill{height:100%;width:30%;border-radius:999px;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:slide 1.2s linear infinite}@keyframes slide{0%{transform:translate(-120%)}to{transform:translate(420%)}}.sort-note{margin-top:4px;font-size:12px}#results{display:flex;flex-direction:column;gap:12px;margin-top:12px}.result{border:1px solid var(--line);border-radius:9px;background:var(--bg-input);padding:14px;display:grid;grid-template-columns:1fr 300px;align-items:center;gap:16px}@media (max-width: 820px){.result{grid-template-columns:1fr}}.result-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.seed{font-family:var(--mono);font-size:16px;word-break:break-all}.copy{font-size:12px;padding:4px 9px;background:transparent;border-color:var(--line);color:var(--muted)}.copy:hover{color:var(--text)}.spawn{font-size:12px;color:var(--muted)}.hits{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.hits li{font-size:13px;display:flex;gap:8px;flex-wrap:wrap;align-items:baseline}.hits .name{min-width:160px}.hits .coords{min-width:92px;text-align:right}.hits .coords{font-family:var(--mono);font-size:12.5px;color:var(--muted)}.hits .dist{color:var(--accent);font-size:12.5px}.map-wrap{position:relative;display:flex;justify-content:center}canvas.map{display:block;border-radius:8px;border:1px solid var(--line);background:#0a0e13;max-width:100%}.map-tip{position:absolute;transform:translate(-50%,-100%);background:#0b1219;border:1px solid var(--line);border-radius:6px;padding:5px 8px;font-size:11.5px;white-space:nowrap;pointer-events:none;color:var(--text);box-shadow:0 4px 14px #00000080;z-index:2}.site-footer{max-width:1080px;margin:0 auto;padding:0 20px 50px;color:var(--muted);font-size:12.5px}.caveats summary{cursor:pointer;margin-bottom:8px}.caveats ul{margin:0 0 14px;padding-left:18px}.caveats li{margin-bottom:6px}