:root{--navy: #2b3c54;--navy-dark: #1f2e42;--sky: #99ccff;--mist: #f1f4f7;--line: #dde3ea;--ink: #1f2a37;--text: #55606e;--white: #ffffff;--ok: #237451;--ok-bg: #e7f4ed;--due: #8a5a00;--due-bg: #fff4dc;--bad: #8f1028;--bad-bg: #fff0f3;--radius: 10px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--mist);-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{margin:0}h1{margin:0 0 16px;font-size:1.6rem}h2{margin:24px 0 12px;font-size:1.15rem}a{color:var(--navy)}.shell{min-height:100vh}main{width:min(1100px,100%);margin:0 auto;padding:20px 16px 48px}.centre{display:grid;min-height:100vh;place-items:center}.topbar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding:10px 16px;color:var(--white);background:var(--navy)}.topbar .brand{font-weight:700}.topbar nav{display:flex;flex:1;gap:4px}.topbar nav a{padding:10px 12px;border-radius:8px;color:var(--white);text-decoration:none}.topbar nav a.active{background:var(--navy-dark);box-shadow:inset 0 -2px 0 var(--sky)}.topbar .link{color:var(--white)}button,.button{min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:8px;font:inherit;font-weight:600;color:var(--navy);background:var(--white);cursor:pointer}button.primary{border-color:var(--navy);color:var(--white);background:var(--navy)}button.danger{border-color:var(--bad);color:var(--bad)}button.link{border:0;background:transparent;text-decoration:underline}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sky);outline-offset:2px}label{display:grid;gap:6px;font-size:.9rem;font-weight:600;color:var(--navy)}input,select,textarea{width:100%;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--ink);background:var(--white)}[aria-invalid=true]{border-color:var(--bad)}.field-error{font-weight:600;color:var(--bad)}.tick{display:flex;align-items:center;gap:10px;font-weight:500;color:var(--ink)}.tick input{width:22px;min-height:22px;height:22px;accent-color:var(--navy)}.ticks{display:grid;gap:10px;margin:14px 0}.card,.panel{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.panel{margin:16px 0}.login{display:grid;width:min(420px,calc(100vw - 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