:root{--accent:#176b59;--accent-soft:#e9f3ee;--bg:#f6f7f4;--panel:#fff;--text:#1f302e;--muted:#727d77;--line:#e4e8e1;--wrong:#b34740;--right:#176b59;--shadow:0 8px 32px #183b2505;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,'Segoe UI',sans-serif}body.dark{--bg:#151e1b;--panel:#202c26;--text:#edf4ee;--muted:#a7b8ac;--line:#35463c;--accent:#81c9ad;--accent-soft:#293e33;--right:#81c9ad;--wrong:#f3a49b;color-scheme:dark}[hidden]{display:none!important}button,input,select,textarea{font:inherit}button,a,select,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled,select:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d9a455;outline-offset:3px}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}.header{height:92px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;max-width:1320px;margin:auto;padding:0 40px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-size:19px;font-weight:750;line-height:1.3}.brand small{display:block;color:var(--muted);font-weight:450;font-size:12px;margin-top:3px}.brand-icon{display:grid;place-items:center;width:42px;height:46px;background:var(--accent);color:var(--panel);border-radius:13px;font-size:25px;font-family:Georgia,serif}.header-right{display:flex;align-items:center;gap:22px}.desktop-note{color:var(--muted);font-size:13px}.icon-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:50%;width:37px;height:37px;font-size:21px}main{max-width:1160px;margin:0 auto;padding:46px 28px 70px}.hero{display:grid;grid-template-columns:1fr 285px;gap:50px;align-items:center;margin:10px 0 45px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.6px;color:var(--accent)}h1{font-size:46px;line-height:1.17;font-weight:700;letter-spacing:-1.8px;margin:17px 0}h2{font-size:23px;line-height:1.4;letter-spacing:-.5px;margin:8px 0 20px}h3{font-size:16px;margin:0 0 12px}.hero p{color:var(--muted);font-size:16px}.hero-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.hero-pills span{background:var(--panel);border:1px solid var(--line);border-radius:25px;padding:6px 12px;font-size:11px;color:var(--muted)}.hero-card{background:#edf0df;border:1px solid #e3e7d3;border-radius:25px;text-align:center;padding:23px;color:#334b3c;transform:rotate(2deg)}.mini-label{font-size:10px;letter-spacing:2px}.ring{border:9px solid #d4debc;border-top-color:#67834e;border-right-color:#67834e;border-radius:50%;height:130px;width:130px;margin:18px auto;display:grid;place-items:center;transform:rotate(-2deg)}.ring b{font-size:43px;font-weight:650;line-height:1.1}.ring small{display:block;font-size:10px;letter-spacing:2px;margin-top:5px}.hero-card strong{font-size:12px}.hero-card p{font-size:12px;margin:3px}.workspace{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:26px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.section-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}.section-top h2{margin:4px 0 14px}.tag{font-size:11px;color:var(--accent);background:var(--accent-soft);padding:5px 10px;border-radius:7px;white-space:nowrap}label,legend{display:block;font-size:12px;font-weight:650;color:var(--muted);margin-bottom:8px}label>span,legend>span{color:var(--text);margin-left:8px;font-size:13px}select,textarea{display:block;width:100%;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);padding:12px;margin:0 0 21px}select{height:48px}fieldset{padding:0;border:0;margin:0 0 20px;min-width:0}.choice-row,.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice,.mode-choice{margin:0;cursor:pointer}.choice input,.mode-choice input{position:absolute;opacity:0}.choice>span,.mode-choice>span{display:block;margin:0;border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:11px 16px;font-weight:500}.choice input:checked+span,.mode-choice input:checked+span{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.choice input:focus-visible+span,.mode-choice input:focus-visible+span{outline:3px solid #d9a455;outline-offset:2px}.mode-choice b{display:block;font-size:13px}.mode-choice small{display:block;font-size:12px;line-height:1.6;color:var(--muted);margin-top:5px}.primary,.outline{border-radius:10px;padding:11px 17px;font-size:13px;font-weight:650;border:1px solid var(--accent)}.primary{background:var(--accent);color:var(--panel)}.outline{background:var(--panel);color:var(--text);border-color:var(--line)}.primary:hover{filter:brightness(.94)}.start{display:flex;justify-content:space-between;width:100%;margin-top:5px;padding:14px 18px}.form-note{font-size:11px;color:var(--muted);text-align:center;margin-bottom:0}.stats-mini{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);padding-bottom:21px;margin-bottom:12px}.stats-mini b{display:block;font-size:30px;font-weight:650}.stats-mini span{font-size:11px;color:var(--muted)}.summary-line{display:flex;justify-content:space-between;font-size:12px;padding:10px 0}.muted{font-size:12px;color:var(--muted)}.summary .muted{border-top:1px solid var(--line);padding-top:17px;margin-bottom:0}.history{margin-top:20px}.history-item{padding:11px 0;border-bottom:1px solid var(--line);font-size:12px;display:flex;justify-content:space-between;gap:15px}.history-item small{display:block;color:var(--muted)}.history-item b{white-space:nowrap;color:var(--accent)}.tip{margin:23px 6px;font-size:13px;color:var(--muted)}.tip span{font-size:10px;font-weight:750;letter-spacing:1.3px;color:var(--accent)}.tip p{margin-top:6px}.resume{display:flex;align-items:center;justify-content:space-between;gap:15px;background:var(--accent-soft);border:1px solid var(--line);border-radius:16px;padding:18px 24px;margin-bottom:26px}.resume p{margin:2px 0;font-size:12px;color:var(--muted)}.notice{padding:13px 18px;background:var(--accent-soft);border:1px solid var(--accent);border-radius:10px;margin-bottom:20px;font-size:13px}.notice.error{color:var(--wrong);border-color:var(--wrong);background:var(--panel)}.test-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 26px}.test-heading h1{font-size:29px;letter-spacing:-.6px;margin:7px 0}.timer{white-space:nowrap;font-variant-numeric:tabular-nums;background:var(--accent-soft);color:var(--accent);border-radius:12px;padding:12px 20px;font-size:24px;font-weight:650}.timer.urgent{color:var(--wrong)}.test-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:24px}.question-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.source{font-size:11px;color:var(--muted);margin:22px 0 9px}.question-text{white-space:pre-wrap;font-size:19px;font-weight:600;line-height:1.7;margin:0 0 25px;overflow-wrap:anywhere}.options{display:grid;gap:11px}.option{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:15px;background:var(--panel);color:var(--text);text-align:left;width:100%;line-height:1.6}.option>span{width:28px;height:28px;display:grid;place-items:center;flex-shrink:0;background:var(--bg);border-radius:7px;font-size:12px;font-weight:750}.option>div{white-space:pre-wrap;overflow-wrap:anywhere}.option.selected{border-color:var(--accent);background:var(--accent-soft)}.option.correct{border:2px solid var(--right)}.option.wrong{border:2px solid var(--wrong)}.option:disabled{opacity:1;cursor:default}.question-tools{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:15px}.text-btn{border:0;background:transparent;color:var(--muted);font-size:12px;padding:8px}.text-btn.active{color:var(--accent);font-weight:750}.question-bottom{display:flex;justify-content:space-between;gap:8px;margin-top:28px}.save-status{font-size:11px;color:var(--muted);text-align:center;margin-bottom:0}.solution{margin-top:20px;background:var(--accent-soft);padding:20px;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.solution strong{display:block;margin-bottom:8px}.solution small{display:block;color:var(--muted);margin-top:12px;font-size:11px}.question-map{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:18px 0}.question-map button{height:34px;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:7px;font-size:11px}.question-map button.answered{background:var(--accent-soft);color:var(--accent)}.question-map button.current{outline:2px solid var(--accent);outline-offset:1px}.question-map button.flagged{border-bottom:3px solid #d9a455}.map-legend{display:flex;gap:10px;font-size:9px;color:var(--muted);margin-bottom:22px}.full{width:100%}.result-heading{text-align:center;margin:25px 0 34px}.result-heading h1{font-size:38px}.result-heading p{color:var(--muted)}.result-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.result-card{padding:22px 12px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:16px}.result-card b{display:block;font-size:32px;color:var(--accent)}.result-card span{font-size:12px;color:var(--muted)}.result-actions{display:flex;justify-content:center;gap:13px;flex-wrap:wrap;margin:28px 0 35px}.centered{text-align:center}.review-item{padding:20px 0;border-bottom:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere}.review-item h3{font-size:16px}.review-answer{font-size:13px;margin:9px 0;color:var(--muted)}.review-item details{background:var(--bg);padding:14px;border-radius:10px;font-size:13px}.review-item summary{cursor:pointer;font-weight:650}.review-option{font-size:13px;margin:6px 0}.review-option.right{color:var(--right);font-weight:650}.review-option.wrong{color:var(--wrong)}footer{text-align:center;border-top:1px solid var(--line);padding:22px;font-size:11px;line-height:1.9;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:20px;max-width:480px;width:calc(100% - 32px);padding:28px;background:var(--panel);color:var(--text)}dialog::backdrop{background:#071c16aa}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}dialog p{font-size:14px}dialog textarea{margin-bottom:10px}@media(max-width:800px){.header{height:76px;padding:0 22px}.desktop-note{display:none}main{padding:28px 18px 45px}.hero{grid-template-columns:1fr;gap:15px;margin:8px 0 28px}.hero-card{display:none}h1{font-size:37px}.hero p{font-size:14px}.workspace{grid-template-columns:1fr}.workspace aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}.history{margin:0}.tip{grid-column:1/-1;margin:0 6px}.test-layout{grid-template-columns:1fr}.navigator{padding:22px}.question-map{grid-template-columns:repeat(10,1fr)}.test-heading h1{font-size:22px}.timer{font-size:20px;padding:8px 12px}.test-heading{align-items:flex-start}.result-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:480px){.brand{font-size:16px}.brand-icon{width:34px;height:38px}.panel{padding:20px;border-radius:16px}.section-top .tag{display:none}.workspace aside{grid-template-columns:1fr}.mode-grid{gap:8px}.mode-choice>span{padding:12px}.question-map{grid-template-columns:repeat(5,1fr)}.question-bottom{flex-wrap:wrap}.question-bottom button{flex:1;padding:10px}.question-bottom #check{flex-basis:100%;order:3}.question-text{font-size:17px}.result-grid{grid-template-columns:repeat(2,1fr)}.result-card:first-child{grid-column:1/-1}.resume{align-items:flex-start;padding:16px}.hero-pills{gap:6px}.hero-pills span{font-size:10px;padding:5px 8px}.source{margin-top:17px}.result-heading h1{font-size:30px}}

.ad-slot{margin:0 0 26px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}.ad-label{display:block;color:var(--muted);font-size:10px;letter-spacing:1px;text-transform:uppercase;margin:0 0 9px}.ad-slot iframe{display:block;width:100%;border:0;height:180px;background:transparent;border-radius:10px}.ad-slot[hidden]{display:none!important}@media(max-width:600px){.ad-slot iframe{height:220px}.ad-slot{padding:10px}}