:root{--bg:#061513;--surface:#0b211e;--surface2:#102d29;--line:#1b403a;--ink:#eef8f5;--muted:#8ca7a1;--brand:#ff3d9a;--good:#48d3a0;--warn:#ffbd66;--bad:#ff746c;--serif:Georgia,"Times New Roman",serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px}.app-shell{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);padding:28px 18px;display:flex;flex-direction:column;background:#071a17}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;line-height:1.05}.brand span{width:38px;height:38px;display:grid;place-items:center;background:var(--brand);border-radius:50%;font-weight:900}.brand strong{font-size:14px;letter-spacing:.02em}.sidebar nav{display:grid;gap:5px;margin-top:52px}.sidebar nav 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.panel-head{padding:24px 25px 0}table{border-collapse:collapse;width:100%;min-width:760px}th,td{text-align:left;padding:14px 18px;border-top:1px solid var(--line);vertical-align:top}th{font-size:10px;letter-spacing:.12em;color:var(--muted);background:#091d1a}td{font-size:13px}td small{color:var(--muted)}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 80% 15%,#4a1233 0,transparent 35%),var(--bg)}.login-card{width:min(430px,calc(100% - 30px));padding:42px;background:var(--surface);border:1px solid var(--line)}.login-brand{margin-bottom:50px}.login-card h1{font:400 46px/1 var(--serif);margin:8px 0 16px}.login-form{display:grid;gap:18px;margin-top:30px}.login-form label{font-size:12px;color:var(--muted)}.login-form input{width:100%;display:block;margin-top:7px;padding:12px;background:var(--bg);border:1px solid 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.metrics.cohort{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
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.arm-picker select{background:var(--surface2);color:var(--ink);border:1px solid var(--line);border-radius:.5rem;padding:.45rem;max-width:22rem}