:root{--ink:#f4f1e8;--muted:#8f918d;--line:#2b2d2b;--panel:#171918;--lime:#c8ff38;--bg:#0c0e0d}*{box-sizing:border-box}html{background:var(--bg)}body{background:radial-gradient(circle at 80% 8%,#c8ff3812,transparent 28%),var(--bg);color:var(--ink);margin:0;font-family:Arial,Microsoft YaHei,sans-serif}button,textarea{font:inherit}button{color:inherit}.app-shell{width:min(1180px,100% - 40px);min-height:100vh;margin:auto}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:78px;display:flex}.brand{color:#fff;letter-spacing:.08em;align-items:center;gap:12px;font-size:17px;font-weight:800;text-decoration:none;display:flex}.brand span span{color:var(--lime)}.brand-mark{width:34px;height:34px;color:var(--lime);border:1px solid #454943;place-items:center;font-size:24px;display:grid}.status{color:var(--muted);letter-spacing:.04em;font:12px ui-monospace,monospace}.status-dot{background:var(--lime);width:7px;height:7px;box-shadow:0 0 10px 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span{color:var(--lime);letter-spacing:.18em;font:10px ui-monospace,monospace}.results-head h2{letter-spacing:-.03em;margin:7px 0 0;font-size:24px}.results-head small{color:#6f726e;font:10px ui-monospace,monospace}.result-grid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.result-card{--accent:#fff;border:1px solid var(--line);background:var(--panel);padding:22px;position:relative;overflow:hidden}.result-card:before{content:"";background:var(--accent);opacity:.75;width:2px;position:absolute;inset:0 auto 0 0}.result-card.best{background:linear-gradient(135deg,#c8ff380e,var(--panel) 55%);border-color:#4c582f}.card-top,.card-foot{justify-content:space-between;align-items:center;display:flex}.base-name{align-items:center;gap:11px;display:flex}.base-name i{background:var(--accent);width:9px;height:9px;box-shadow:0 0 12px color-mix(in srgb,var(--accent) 55%,transparent);border-radius:50%}.base-name h3{margin:0;font-size:15px}.base-name 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#292c2a;max-height:260px;overflow:auto}.alternative-list>button{text-align:left;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #252825;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:13px;display:flex}.alternative-list>button:hover{background:#171a18}.alternative-list span{font:500 18px/1.45 ui-monospace,Consolas,monospace}.alternative-list span small{color:#6e726c;margin-bottom:4px;font:9px Arial,sans-serif;display:block}.alternative-list i{color:#737772;white-space:nowrap;font:9px Arial,sans-serif}.card-foot{border-top:1px solid #292c2a;padding-top:15px}.card-foot strong{font:600 24px ui-monospace,monospace}.card-foot strong small{color:#727571;font-size:10px}.card-foot button{color:#8d918b;cursor:pointer;background:0 0;border:0;font-size:11px}.card-foot button:hover{color:var(--lime)}.empty-state{color:#686b67;border:1px dashed #2f3230;flex-direction:column;justify-content:center;align-items:center;min-height:225px;display:flex}.pyramid{color:#303431;font-size:62px;line-height:1}.empty-state p{color:#9a9d98;margin:16px 0 8px;font-size:13px}.empty-state span{font-size:11px}.signature{color:#555954;text-align:right;letter-spacing:.04em;padding:10px 2px 26px;font:10px ui-monospace,monospace}@media (width<=700px){.app-shell{width:min(100% - 24px,1180px)}.topbar{height:64px}.status{display:none}.solver-panel{margin-top:28px;padding:16px}.input-foot{flex-direction:column;align-items:stretch}.solve-button{width:100%}.result-grid{grid-template-columns:1fr}.results-head small{display:none}.algorithm{font-size:21px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important}}