:root{--rijks-blue:#01689b;--rijks-blue-dark:#154273;--rijks-blue-light:#ebf3f7;--text:#1f1f1f;--text-muted:#5b5b5b;--bg:#f3f3f3;--card-bg:#fff;--border:#d6d6d6;--green:#39870c;--green-bg:#e8f5e0;--red:#d52b1e;--red-bg:#fbe6e4;--amber:#b35a00;--amber-bg:#fdf2dd;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}button{font:inherit}code{background:#eef0f2;border-radius:3px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.app{flex-direction:column;min-height:100vh;display:flex}.govbar{background:var(--rijks-blue);height:8px}.screen{width:100%;max-width:760px;margin:0 auto;padding:32px 20px 64px}.hero{text-align:left;margin-bottom:24px}.hero h1{color:var(--rijks-blue-dark);letter-spacing:-.3px;margin:0 0 8px;font-size:32px}.lede{color:var(--text-muted);max-width:60ch;margin:0}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:4px;margin-bottom:16px;padding:24px}.card p{margin:0 0 12px}.btn-primary,.btn-secondary{cursor:pointer;border:1px solid #0000;border-radius:3px;padding:10px 18px;font-weight:600;transition:background .12s;display:inline-block}.btn-primary{background:var(--rijks-blue);color:#fff}.btn-primary:hover:not(:disabled){background:var(--rijks-blue-dark)}.btn-primary:disabled{cursor:not-allowed;background:#b6c8d3}.btn-secondary{color:var(--rijks-blue);border-color:var(--rijks-blue);background:#fff}.btn-secondary:hover:not(:disabled){background:var(--rijks-blue-light)}.btn-secondary:disabled{color:#aaa;cursor:not-allowed;border-color:#ccc}.hint{margin-top:12px;font-size:14px}.hint.warning{color:var(--amber);background:var(--amber-bg);border-radius:3px;padding:10px 12px}.rules{color:var(--text-muted);margin:16px 0 0;padding-left:20px;font-size:14px}.rules li{margin-bottom:4px}.progress{margin-bottom:16px}.progress-text{color:var(--rijks-blue-dark);margin-bottom:6px;font-weight:600}.progress-bar{background:#dde3e8;border-radius:3px;height:6px;overflow:hidden}.progress-fill{background:var(--rijks-blue);height:100%;transition:width .2s}.progress-meta{color:var(--text-muted);margin-top:6px;font-size:13px}.topic-tag{text-transform:uppercase;letter-spacing:.5px;color:var(--rijks-blue);background:var(--rijks-blue-light);border-radius:3px;margin-bottom:12px;padding:3px 8px;font-size:12px;display:inline-block}.question-text{color:var(--text);margin:0 0 20px;font-size:20px;line-height:1.4}.question-figure,.result-figure{border:1px solid var(--border);text-align:center;background:#fafbfc;border-radius:4px;margin:0 0 16px;padding:12px}.question-figure img,.result-figure img{max-width:100%;height:auto;max-height:360px;display:inline-block}.result-figure{margin:10px 0 0 32px;padding:8px}.result-figure img{max-height:200px}.options{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.option{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:3px;align-items:flex-start;gap:10px;padding:12px 14px;transition:border-color .12s,background .12s;display:flex}.option:hover,.option-selected{border-color:var(--rijks-blue);background:var(--rijks-blue-light)}.option input{accent-color:var(--rijks-blue);margin-top:4px}.nav{justify-content:space-between;gap:12px;display:flex}.login-card{text-align:center;max-width:400px;margin-top:60px;margin-left:auto;margin-right:auto}.login-card h1{color:var(--rijks-blue-dark);margin:0 0 8px;font-size:28px}.login-card .lede{margin-bottom:20px}.login-form{flex-direction:column;gap:12px;margin-bottom:16px;display:flex}.login-input{border:1px solid var(--border);border-radius:3px;width:100%;padding:10px 14px;font-family:inherit;font-size:16px}.login-input:focus{border-color:var(--rijks-blue);outline:none;box-shadow:0 0 0 2px #01689b33}.btn-link{color:var(--rijks-blue);cursor:pointer;background:0 0;border:none;padding:8px;font-size:14px;text-decoration:underline}.btn-link:hover{color:var(--rijks-blue-dark)}.secret-figure{text-align:center;margin:0 0 16px;padding:0}.secret-figure img{border:1px solid var(--border);border-radius:4px;max-width:100%;max-height:320px}.bypass-message{background:var(--rijks-blue-light);border-color:var(--rijks-blue);text-align:center}.bypass-message p{color:var(--rijks-blue-dark);margin:0;font-style:italic}.disclaimer{background:#fff8e6;border-color:#f0d68a}.disclaimer p{color:#5b4500;margin:0;font-size:14px}.score-card{text-align:center;border-top:6px solid var(--rijks-blue)}.score-card.pass{border-top-color:var(--green)}.score-card.fail{border-top-color:var(--red)}.pass-fail{border-radius:4px;margin:12px 0 20px;padding:10px 14px;font-size:14px}.pass-fail.pass{background:var(--green-bg);color:var(--green)}.pass-fail.fail{background:var(--red-bg);color:var(--red)}.score-percentage{color:var(--rijks-blue-dark);font-size:56px;font-weight:700;line-height:1}.score-fraction{color:var(--text-muted);margin-top:6px}.score-verdict{margin:12px 0 20px;font-size:16px}.results-heading{color:var(--rijks-blue-dark);margin:24px 0 12px;font-size:20px}.results-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.result{border:1px solid var(--border);border-left:4px solid var(--border);background:#fff;border-radius:3px;padding:14px 16px}.result-correct{border-left-color:var(--green)}.result-wrong{border-left-color:var(--red)}.result-unanswered{border-left-color:var(--amber)}.result-header{align-items:flex-start;gap:8px;display:flex}.result-num{color:var(--text-muted);min-width:24px;font-weight:600}.result-question{flex:1;font-weight:500}.result-badge{white-space:nowrap;border-radius:10px;padding:3px 8px;font-size:12px;font-weight:600}.badge-correct{background:var(--green-bg);color:var(--green)}.badge-wrong{background:var(--red-bg);color:var(--red)}.badge-unanswered{background:var(--amber-bg);color:var(--amber)}.result-body{flex-direction:column;gap:4px;margin-top:10px;padding-left:32px;font-size:14px;display:flex}.label{color:var(--text-muted)}.text-correct{color:var(--green);font-weight:500}.text-wrong{color:var(--red);font-weight:500}.explanation{background:var(--rijks-blue-light);color:var(--text);border-radius:3px;margin-top:6px;padding:8px 10px}