/* Cunning Software brand v1. Shared foundation; course map colors remain semantic. */
:root{--bg:#f4f8f8;--surface:#fff;--surface-2:#eaf2f3;--text:#18363a;--muted:#587176;--line:#d7e5e5;--brand:#087f82;--brand-2:#086c71;--accent:#bddc89;--radius:18px;--shadow:none;color-scheme:light}
body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{background:var(--surface);color:var(--text);border-bottom:1px solid var(--line);flex-wrap:wrap;gap:16px;padding:18px 5vw}.topbar a{color:var(--text)}.brand{display:flex;align-items:center;gap:12px;font-weight:750;letter-spacing:-.6px}.brand img{width:52px;height:52px;object-fit:contain}.brand small{display:block;font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}h1{letter-spacing:-1px;line-height:1.12}.hero{background:#dcefee;padding:28px;border-radius:24px;margin-bottom:20px}.hero h1{font-size:clamp(30px,6vw,46px);margin:12px 0}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:700;color:var(--muted)}.auth-card{max-width:560px;margin:20px auto}.auth-card label{display:block;margin:14px 0;font-weight:600}.auth-card input{display:block;width:100%;margin-top:6px}.account-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;font-size:14px}.stat,.score,.numeric,td{font-variant-numeric:tabular-nums}button,.btn{min-height:44px;border-radius:10px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #8abc42;outline-offset:3px}#login-error{color:#8b2520}.card{border:1px solid var(--line)}
@media(prefers-color-scheme:dark){:root{--bg:#102426;--surface:#18363a;--surface-2:#24484b;--text:#edf7f7;--muted:#b1cece;--line:#42666a;--brand:#087f82;--brand-2:#15989b;color-scheme:dark}.hero{background:#24484b}#login-error{color:#ffb7b0}}