:root{color-scheme:light;--background:#f4f7f9;--surface:#ffffff;--surface-muted:#eef3f6;--border:#d7e0e6;--text:#17232d;--muted:#61707d;--primary:#136f63;--primary-dark:#0f554c;--accent:#b6542c}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:#16232c;color:#f8fbfc;padding:24px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:32px;font-size:20px;font-weight:700}.sidebar nav{display:grid;grid-gap:8px;gap:8px}.sidebar a{border-radius:6px;color:#cdd8de;padding:11px 12px}.sidebar a:hover{background:rgba(255,255,255,.08);color:#ffffff}.content{display:grid;align-content:start;grid-gap:24px;gap:24px;padding:28px}.topbar{align-items:center;display:flex;justify-content:space-between;gap:16px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;margin:0 0 6px;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.15;margin-bottom:0}h2{font-size:26px;line-height:1.2;margin-bottom:12px}h3{font-size:18px;margin-bottom:18px}.primaryButton{align-items:center;background:var(--primary);border:0;border-radius:6px;color:#ffffff;cursor:pointer;display:inline-flex;gap:8px;min-height:42px;padding:0 16px}.primaryButton:hover{background:var(--primary-dark)}.moduleGrid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}.metricCard{align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:8px;display:flex;gap:14px;min-height:96px;padding:18px}.metricCard svg{color:var(--primary);flex:0 0 auto}.metricCard span{color:var(--muted);display:block;font-size:14px}.metricCard strong{display:block;font-size:22px;margin-top:4px}.workspace{align-items:start;display:grid;grid-gap:24px;gap:24px;grid-template-columns:minmax(0,1fr) 360px}.workspace>div{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:24px}.workspace p{color:var(--muted);line-height:1.6;max-width:680px}.sessionPanel dl{display:grid;grid-gap:12px;gap:12px;margin:0}.sessionPanel dl div{align-items:center;background:var(--surface-muted);border-radius:6px;display:flex;justify-content:space-between;padding:12px}.sessionPanel dt{color:var(--muted);font-size:13px}.sessionPanel dd{font-weight:700;margin:0;text-align:right}@media (max-width:960px){.shell{grid-template-columns:1fr}.sidebar{padding:18px}.sidebar nav{grid-template-columns:repeat(5,minmax(0,1fr))}.sidebar a{text-align:center}.moduleGrid,.workspace{grid-template-columns:1fr 1fr}.workspace{align-items:stretch}}@media (max-width:700px){.content{padding:18px}.topbar{align-items:stretch;flex-direction:column}.moduleGrid,.sidebar nav,.workspace{grid-template-columns:1fr}.primaryButton{justify-content:center;width:100%}}