:root{--bg: #0b0e14;--bg-2: #131822;--bg-3: #1a2030;--fg: #e6e6e6;--fg-mute: #9aa4b2;--accent: #6ab0f9;--accent-2: #50b87a;--warn: #f6ad55;--err: #f06a6a;--line: #2a3142}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Inter,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.app{display:flex;flex-direction:column;min-height:100vh}.header{border-bottom:1px solid var(--line);padding:14px 22px;background:var(--bg-2);display:flex;align-items:center;gap:16px;flex-wrap:wrap}.header h1{font-size:16px;margin:0;color:var(--fg);font-weight:600}.header .sub{color:var(--fg-mute);font-size:12px}.header .spacer{flex:1}.seg{display:inline-flex;gap:0;border:1px solid var(--line);border-radius:6px;background:var(--bg-3);overflow:hidden}.seg-btn{background:transparent;color:var(--fg-mute);border:none;padding:6px 14px;font-size:12px;font-weight:600;cursor:pointer;letter-spacing:.04em;font-family:inherit}.seg-btn:hover{color:var(--fg)}.seg-btn.active{background:var(--accent);color:#fff}.seg-btn+.seg-btn{border-left:1px solid var(--line)}.controls{display:grid;gap:14px;padding:16px 22px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));background:var(--bg-2);border-bottom:1px solid var(--line)}.control{display:flex;flex-direction:column;gap:6px}.control label{font-size:12px;color:var(--fg-mute);text-transform:uppercase;letter-spacing:.04em}.control select,.control input[type=number]{background:var(--bg-3);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:13px;outline:none}.control select:focus,.control input:focus{border-color:var(--accent)}.control .slider-row{display:flex;align-items:center;gap:10px}.control input[type=range]{flex:1;accent-color:var(--accent)}.control .val{width:64px;text-align:right;color:var(--fg);font-variant-numeric:tabular-nums}.tabs{display:flex;gap:4px;padding:0 22px;background:var(--bg-2);border-bottom:1px solid var(--line)}.tab{padding:10px 14px;cursor:pointer;color:var(--fg-mute);border-bottom:2px solid transparent;font-size:13px}.tab.active{color:var(--fg);border-bottom-color:var(--accent)}.tab:hover{color:var(--fg)}.body{padding:18px 22px;flex:1}.section{margin-bottom:28px}.section h2{font-size:14px;margin:0 0 10px;font-weight:600;color:var(--fg)}.section .lede{color:var(--fg-mute);margin:0 0 14px;font-size:13px}.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.card{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:14px 16px}.card h3{margin:0 0 6px;font-size:14px;font-weight:600}.card .chip-meta{color:var(--fg-mute);font-size:12px;margin-bottom:10px}.card .metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 14px;margin-top:8px}.metric{display:flex;flex-direction:column}.metric .label{color:var(--fg-mute);font-size:11px;text-transform:uppercase;letter-spacing:.04em}.metric .value{font-size:16px;font-variant-numeric:tabular-nums;color:var(--fg)}.metric .value.ok{color:var(--accent-2)}.metric .value.warn{color:var(--warn)}.metric .value.err{color:var(--err)}.metric .sub{color:var(--fg-mute);font-size:11px}.chip-tag{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--bg-3);color:var(--fg-mute);font-size:11px;border:1px solid var(--line);margin-right:6px}table{width:100%;border-collapse:collapse;font-size:12.5px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}th{color:var(--fg-mute);font-weight:500;text-transform:uppercase;font-size:11px;letter-spacing:.04em}td.num{text-align:right}tbody tr:hover{background:var(--bg-3)}.theta{display:inline-flex;gap:6px;flex-wrap:wrap;font-size:11px;color:var(--fg-mute)}.theta b{color:var(--fg);font-weight:600}.error-card{border-color:var(--err);background:#f06a6a0f}.success-card{border-color:var(--accent-2);background:#50b87a0a}.algo-section{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:18px 22px;line-height:1.6}.algo-section h3{font-size:14px;margin:18px 0 8px;color:var(--fg)}.algo-section h3:first-child{margin-top:0}.algo-section pre{background:var(--bg-3);padding:10px 14px;border-radius:6px;overflow-x:auto;border:1px solid var(--line)}.algo-section .formula{background:var(--bg-3);padding:8px 12px;border-radius:4px;display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;margin:8px 0}@media (max-width: 720px){.header{padding:12px 14px}.controls{padding:14px;grid-template-columns:1fr 1fr}.tabs{padding:0 14px;overflow-x:auto}.body{padding:14px}}