:root{--ink:#233f39;--green:#245d4d;--paper:#f5f3eb;--line:#d8dfd4;--muted:#60736a}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 system-ui,sans-serif}header,main,footer{max-width:1000px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-weight:750;font-size:25px}.small,small{font-size:14px;color:var(--muted)}h1,h2,h3,p{margin:0 0 16px}h1{font:clamp(38px,7vw,68px)/1.08 Georgia,serif;max-width:800px;letter-spacing:-1px}h2{font:32px/1.2 Georgia,serif}h3{font-size:19px}.hero{padding:36px 0}.lead{max-width:700px;font-size:19px}.tag{display:inline-block;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin-bottom:20px;color:var(--green)}.card{background:#fffef9;border:1px solid var(--line);border-radius:18px;padding:26px;margin:20px 0}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.chip{padding:6px 12px;background:#e6ecdf;border-radius:20px;font-size:13px;display:inline-block}button,.button{cursor:pointer;border:1px solid var(--green);border-radius:10px;background:var(--green);color:white;padding:13px 22px;font:600 16px system-ui;text-decoration:none;display:inline-block}button.secondary{background:transparent;color:var(--green)}button:disabled{opacity:.45;cursor:default}button:hover:not(:disabled){filter:brightness(.93)}a{color:var(--green)}label{cursor:pointer}select{padding:10px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink);font:inherit;max-width:100%}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.progress{height:5px;background:var(--line);border-radius:10px;margin:16px 0 24px}.progress div{height:100%;background:var(--green);border-radius:10px;transition:width .2s}.option{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:10px;padding:11px 12px;margin:8px 0;font-size:15px}.option:has(input:checked){border-color:var(--green);background:#edf3e9}input{accent-color:var(--green);flex-shrink:0;margin-top:5px;width:17px;height:17px}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:15px;font-weight:700;margin-bottom:6px}.question{scroll-margin-top:20px}.question:has(.invalid){border-color:#ad593b}.error{color:#9b342a;font-size:15px}.warn{background:#fff0e3;border-left:4px solid #b76836;padding:18px;border-radius:8px;margin:16px 0}.success{background:#e5eee0;padding:18px;border-radius:8px;margin:16px 0}.score{font:64px/1.1 Georgia,serif}.row{padding:16px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.row strong{display:block}details{margin:20px 0}summary{cursor:pointer;font-weight:650}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}:focus-visible{outline:3px solid #bc713d;outline-offset:3px}[hidden]{display:none!important}@media(max-width:650px){.grid{grid-template-columns:1fr}.card{padding:18px}header,main,footer{padding:18px}h1{font-size:43px}.hero{padding:24px 0}.actions button{flex:1}header .small{max-width:145px;text-align:right}}@media print{header,footer,.actions,button{display:none}body{background:white}.card{break-inside:avoid}main{padding:0}}

/* Версія 02: темна тема */
:root{color-scheme:dark;--ink:#e1eae5;--green:#94cfb5;--paper:#101916;--line:#34493f;--muted:#a8beb1}
.card{background:#18251f}.chip{background:#293f32;color:#c8dfcf}
button,.button{background:#94cfb5;color:#10251b;border-color:#94cfb5}
button.secondary{background:transparent;color:#a7dac1}
select{background:#18251f}.option{background:#14201a}.option:has(input:checked){background:#294335;border-color:#94cfb5}
.error{color:#ffb5a7}.warn{background:#38291e;border-left-color:#e8a570}.success{background:#213c2c}
:focus-visible{outline-color:#edbc8b}
@media print{:root{color-scheme:light;--ink:#203b31;--muted:#4b6254;--line:#bcc9c0}body,.card,.option{background:white;color:#203b31}.warn,.success{background:#edf1eb;color:#203b31}a{color:#245d4d}}

progress{width:100%;height:7px;accent-color:var(--green);margin:12px 0 24px}.gap{margin-top:16px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.saved{font-size:13px;color:var(--muted)}input[type=file]{width:100%;height:auto}.detail-answer{margin:8px 0}.intro{margin-top:24px}.check{display:flex;align-items:flex-start;gap:8px}.hidden{display:none}.span{font:20px system-ui}.card a{overflow-wrap:anywhere}

#notice{max-width:1000px;margin:0 auto;padding:0 24px;color:var(--green)}

.code-input{display:block;width:100%;height:auto;margin-top:12px;padding:14px;border:1px solid var(--line);border-radius:10px;background:#101916;color:var(--ink);font:clamp(16px,4.8vw,26px)/1.4 ui-monospace,monospace;letter-spacing:.02em}.zone-green{border-left:5px solid #8acf9a}.zone-yellow{border-left:5px solid #eac46d}.zone-red{border-left:5px solid #ed9c8b}.zone-green .chip{background:#214432}.zone-yellow .chip{background:#493f24;color:#ffe8a5}.zone-red .chip{background:#492d28;color:#ffd0c3}

#pdf-report{display:none}
@media print{
 @page{size:A4;margin:18mm 16mm}
 :root{--ink:#172d24;--muted:#46594f;--line:#cbd5ce;color-scheme:light}
 body{background:#fff;color:#172d24;font:11pt/1.45 system-ui,sans-serif}
 body>header,main,footer{display:none!important}
 #pdf-report{display:block;color:#172d24}
 #pdf-report h1{font:27pt/1.15 Georgia,serif;margin:0 0 10pt;letter-spacing:0}
 #pdf-report h2{font:17pt/1.2 Georgia,serif;margin:0 0 9pt;break-after:avoid}
 #pdf-report p{margin:0 0 7pt}
 .pdf-heading{padding-bottom:12pt;border-bottom:1pt solid #8aa08f;margin-bottom:16pt}
 .pdf-summary{margin-bottom:18pt;break-inside:avoid}
 .pdf-answer{break-inside:avoid;margin:0 0 17pt;padding-top:10pt;border-top:.5pt solid #cbd5ce}
 .pdf-end{font-size:9pt;color:#46594f}
}

.reference-code{font:20px/1.5 ui-monospace,monospace;letter-spacing:.04em;color:var(--ink)}