:root{color-scheme:dark;--bg:#0c1321;--card:#131f31;--line:#28374b;--muted:#9aaac0;--text:#e6edf6;--green:#4adebd;--amber:#f6c86b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#15303c 0,transparent 45%),var(--bg);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);font-size:15px}main{max-width:1250px;margin:auto;padding:40px 24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--green)}h1{font-size:32px;margin:12px 0}header p,.muted,footer{color:var(--muted);line-height:1.7}.pill,.badge{border:1px solid #285a52;background:#163630;color:var(--green);padding:8px 12px;border-radius:20px;font-size:12px;white-space:nowrap}.refresh{display:flex;justify-content:space-between;align-items:center;margin:22px 0;color:var(--muted);font-size:13px}button,select{font:inherit;color:var(--text);background:#1c2c43;border:1px solid var(--line);border-radius:8px;padding:9px 16px;cursor:pointer}button:hover{border-color:var(--green)}.notice{border:1px solid #665032;background:#30271b;color:var(--amber);border-radius:12px;padding:15px 20px;line-height:1.8;margin-bottom:20px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.card small{color:var(--muted)}.card strong{display:block;font-size:28px;font-weight:600;margin:12px 0}.card p{color:var(--muted);font-size:12px;margin:0;line-height:1.6}.bar{height:6px;background:#2b3b50;border-radius:5px;margin:12px 0;overflow:hidden}.bar i{display:block;height:100%;background:var(--green)}nav{display:flex;gap:8px;margin:26px 0;flex-wrap:wrap}nav button{background:transparent;border-color:transparent;color:var(--muted)}nav .selected{color:var(--green);background:#17352f;border-color:#285a52}.panel{margin-bottom:18px}h2{font-size:18px;margin:0 0 18px}.scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:14px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{font-size:12px;color:var(--muted);font-weight:500}tr:last-child td{border:0}.disk{margin:20px 0}.diskhead{display:flex;justify-content:space-between;gap:15px}.muted{font-size:13px}.hidden{display:none}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#0c1523;padding:18px;border-radius:8px;max-height:580px;overflow:auto;font-size:12px;line-height:1.7}.bad{color:#fca5a5}.good{color:var(--green)}.warn{color:var(--amber)}.metrics{display:flex;gap:30px;flex-wrap:wrap}.metrics div{padding:10px 0}.metrics strong{display:block;font-size:22px;margin-top:8px}footer{text-align:center;font-size:12px;margin-top:26px}@media(max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}header{align-items:flex-start;flex-direction:column}main{padding:24px 15px}.card{padding:16px}.card strong{font-size:24px}nav button{font-size:13px;padding:9px 10px}.diskhead{flex-direction:column;gap:5px}}

.login-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:100vh;gap:65px;max-width:1150px}.login-brand h1{font-size:38px;line-height:1.4;max-width:430px}.login-brand p{color:var(--muted);line-height:1.9;margin:22px 0 30px}.login-brand .pill{display:inline-block}.login-panel{padding:36px}.login-step{color:var(--green);font-size:12px;letter-spacing:2px;margin-bottom:24px}.login-panel h2{font-size:25px}.login-panel label{display:block;margin:22px 0 8px;font-size:13px}.login-panel input{width:100%;background:#0d1726;color:var(--text);font:inherit;border:1px solid #34475e;border-radius:9px;padding:13px 14px}.login-panel input:focus{outline:2px solid #4adebd;outline-offset:2px}.primary{display:block;width:100%;margin-top:24px;background:#4adebd;color:#0a211e;border-color:#4adebd;font-weight:600;padding:13px}.secondary{width:100%;margin-top:14px;background:transparent;font-size:13px}.login-error{padding:12px;border:1px solid #704044;background:#382125;border-radius:8px;color:#fecaca;line-height:1.6}.login-foot{margin-top:28px;text-align:center;font-size:12px}#setup p,#recovery p{font-size:13px;line-height:1.8}#qr{display:block;background:white;margin:20px auto;border-radius:8px}details{font-size:13px;line-height:1.8}details code{display:block;overflow-wrap:anywhere;color:var(--green);margin:15px 0}#recovery-codes{letter-spacing:1px;line-height:1.9}#code{text-align:center;font-size:23px;letter-spacing:3px}@media(max-width:800px){.login-layout{grid-template-columns:1fr;gap:25px;padding-top:35px;align-content:start}.login-brand h1{font-size:28px}.login-brand p{margin:15px 0}.login-panel{padding:24px}.login-brand .pill{display:none}}

.chart-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.controls{display:flex;gap:8px;flex-wrap:wrap}.controls select{font-size:12px;padding:8px}.svg-chart{margin:18px 0;overflow:hidden}.svg-chart svg{display:block;width:100%;height:auto}.svg-chart text{fill:#9aaac0;font:11px system-ui}.workflow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:20px 0}.stage{border:1px solid #2b4255;border-radius:10px;padding:14px;position:relative;background:#0f1c2c}.stage strong{display:block;margin:12px 0;font-size:14px}.stage small{display:block;font-size:11px;line-height:1.6;color:var(--muted)}.stage span{color:var(--green);font-size:12px}.stage.bad span{color:#fca5a5}.execution{background:#0c1725;border-radius:9px;padding:15px;font-size:13px;line-height:1.9}.empty-chart{padding:35px;text-align:center;color:var(--muted)}@media(max-width:1000px){.workflow{grid-template-columns:repeat(3,1fr)}.chart-head{flex-direction:column}}@media(max-width:550px){.workflow{grid-template-columns:repeat(2,1fr)}.controls{width:100%}.controls select{flex:1}}

.task-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.task-actions button{font-size:12px;padding:7px 12px}

.trading-chart{height:590px;position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:16px 0}.equity-chart{height:235px}.replay-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0}.replay-tools button,.replay-tools select{font-size:12px;padding:8px 12px}.replay-tools label{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:6px}.replay-legend{display:flex;gap:22px;flex-wrap:wrap;font-size:12px;margin-bottom:12px}.trade-detail{background:#0b1725;border:1px solid #34455a;border-radius:10px;padding:18px;font-size:13px;line-height:1.9;min-height:120px}.trade-detail .metrics{gap:25px}.trade-detail .metrics strong{font-size:18px}.blue{color:#7db5ff}.replay-table{max-height:480px}.replay-table tbody tr{cursor:pointer}.replay-table tbody tr:hover,.replay-table tr.selected{background:#1c3544}.replay-table th{position:sticky;top:0;background:#131f31;z-index:1}.attribution a{color:var(--muted)}#replay-ohlc{min-height:35px;line-height:1.7}.replay-panel .metrics strong{font-size:20px}#replay-warning{font-size:12px;margin-top:15px}.replay-empty{padding:80px 20px;text-align:center;color:var(--muted)}@media(max-width:650px){.trading-chart{height:470px}.replay-tools{gap:7px}.replay-legend{gap:12px}.replay-panel{padding:14px}.trade-detail .metrics{gap:18px}}

.proof-panel{border:1px solid #32445c;border-radius:8px;margin:14px 0;padding:15px;font-size:13px;line-height:1.9}.proof-panel summary{cursor:pointer;font-weight:600;color:#b1d6ee}.proof-panel code{overflow-wrap:anywhere;color:#bdd4e4}.proof-panel a{color:#7db5ff}.proof-panel p{margin:14px 0}

.entry{color:#39b8ff}

/* Research workspace: stable navigation and compact chart controls. */
main:not(.login-layout){max-width:1560px;padding-top:22px}
header h1{font-size:27px;margin:7px 0}header p{margin:6px 0}nav{margin:18px 0}
.replay-panel{padding:18px;overflow-anchor:none}
.replay-panel .chart-head h2{margin-bottom:5px}.replay-panel .chart-head p{margin:0}
.replay-run-note{margin:8px 0;color:var(--muted)}.replay-run-note summary,.replay-guide summary{cursor:pointer;font-size:12px}
#replay-warning{padding:9px 12px;margin:8px 0;line-height:1.6}
#replay-summary{gap:12px 28px;margin:8px 0}#replay-summary div{padding:3px 0}#replay-summary strong{margin-top:3px}
.replay-tools{position:sticky;top:8px;z-index:10;background:#131f31;border:1px solid var(--line);border-radius:10px;padding:10px;margin:12px 0 10px;box-shadow:0 4px 14px #0003;scroll-margin-top:8px;gap:8px}
#replay-position{font-size:12px;color:var(--green);min-width:115px}.replay-tools button:focus-visible,.replay-tools select:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.replay-legend{gap:8px 18px;margin:5px 0}.replay-guide{margin:4px 0;color:var(--muted)}.replay-guide p{margin:5px 0}
#replay-ohlc{min-height:24px;margin-top:6px;font-size:12px;font-variant-numeric:tabular-nums}
#replay-chart{height:clamp(360px,55vh,620px);margin:8px 0 12px}
@media(max-width:800px){main:not(.login-layout){padding:16px 12px}.replay-panel{padding:12px}.replay-tools{top:4px;padding:8px}.replay-tools label{font-size:11px}#replay-chart{height:clamp(340px,52vh,500px)}#replay-summary{gap:8px 18px}.replay-panel .chart-head{gap:8px}}

.language-control{display:flex;gap:8px;align-items:center;justify-content:flex-end;font-size:12px;color:var(--muted);margin-bottom:10px}.language-control select{font-size:12px;padding:6px 10px}.login-panel .language-control{margin-bottom:22px}
html[lang=en] nav button{font-size:13px}html[lang=en] .replay-tools{flex-wrap:wrap}html[lang=en] #replay-position{min-width:140px}html[lang=en] .metrics{gap:12px 24px}html[lang=en] .chart-head{flex-wrap:wrap}html[lang=en] .stage strong{font-size:12px;overflow-wrap:anywhere}html[lang=en] .execution{line-height:1.8}html[lang=en] header h1{font-size:26px}html[lang=en] .login-brand h1{font-size:34px}

#perp-coverage p{margin:.5rem 0}#perp-coverage details{margin:.5rem 0}.funding-table{max-height:280px;overflow:auto}#return-chart.wide{overflow-x:auto}#return-chart.wide svg{min-width:4000px}

.account-panel{max-width:640px}.account-panel form{display:grid;gap:16px}.account-panel form label{display:grid;gap:8px}.account-panel input{width:100%;box-sizing:border-box;background:#0c1828;color:#e4edf9;border:1px solid #34475d;border-radius:8px;padding:12px;font:inherit}.account-panel input:focus{outline:2px solid #39b8ff;outline-offset:2px}.account-panel form p{margin:0}.account-panel button:disabled{opacity:.6;cursor:wait}

/* Compact research header only; login and account form remain independently styled. */
.research-layout{padding-top:18px}.research-header{gap:12px;align-items:center}.research-header h1{font-size:23px;line-height:1.2;margin:4px 0}.research-header .eyebrow{font-size:9px;letter-spacing:2px}.research-header p{font-size:12px;margin:4px 0;line-height:1.4}.research-header>div:last-child{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.research-header .language-control{margin:0;font-size:12px}.research-header select{padding:6px 9px}.research-header .pill{padding:5px 9px;font-size:10px}.research-header .secondary{width:auto;margin:0;padding:6px 10px;font-size:12px}.research-layout>nav{margin:12px 0 16px;gap:5px}.research-layout>nav button{padding:8px 12px;font-size:13px}
.manual-settings{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));gap:14px}.manual-settings label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:7px}.manual-settings input,.manual-settings select{min-width:0;width:100%;font:inherit;color:var(--text);background:#0d1726;border:1px solid var(--line);border-radius:8px;padding:10px}.manual-settings input:focus{outline:2px solid var(--green)}.manual-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0}.manual-actions button{font-size:13px;padding:9px 12px}.manual-actions .run-simulation{background:#17352f;border-color:#285a52;color:var(--green)}#manual .notice{font-size:12px;padding:10px 14px;margin:12px 0;line-height:1.6}#manual-pairs{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:8px;max-height:270px;overflow:auto}.manual-pair{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:10px;border-radius:8px;cursor:pointer}.manual-pair input{accent-color:var(--green)}.manual-pair span{display:flex;flex-direction:column;gap:4px}.manual-pair small{font-size:11px}.manual-pair strong{font-size:13px}#manual-chart svg{width:100%;display:block;height:auto}#manual-chart{margin:16px 0;background:#0c1523;border-radius:8px}#manual-chart text{fill:var(--muted);font:11px system-ui}#manual-result .metrics{gap:22px}#manual-result .metrics div{font-size:12px}#manual-result .metrics strong{font-size:21px}#manual-ledger{max-height:420px;overflow:auto}.manual-audit{overflow-wrap:anywhere;font-size:12px}#manual-note{line-height:1.8}button:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:900px){.research-header{flex-direction:row;align-items:center}.research-header>div:last-child{gap:6px}.research-header .pill{display:none}.manual-settings{grid-template-columns:repeat(2,minmax(0,1fr))}#manual-pairs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:600px){.research-header{flex-direction:column;align-items:flex-start}.research-header>div:last-child{justify-content:flex-start}.research-header h1{font-size:21px}.research-header p{font-size:11px}.research-layout{padding-top:14px}#manual-pairs{grid-template-columns:repeat(2,minmax(0,1fr))}.manual-actions button{padding:8px}.manual-pair{padding:8px}.manual-pair strong{font-size:12px}}