@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
:root{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:#18243a;background:#f3f6fa;font-size:16px;--blue:#1557da;--muted:#66758c;--line:#dde4ee}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:var(--blue)}header{background:#fff;border-bottom:1px solid var(--line);padding:23px max(5vw,24px);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:800;text-decoration:none;color:#172944}.logo{display:grid;place-items:center;background:var(--blue);color:#fff;width:38px;height:38px;border-radius:10px;font-size:24px}.brand-note{font-size:12px;letter-spacing:1.4px;font-weight:600;border-left:1px solid var(--line);margin-left:12px;padding-left:24px;color:var(--muted)}.header-note{font-size:14px;color:var(--muted)}main{max-width:1240px;margin:0 auto;padding:40px 28px 70px}.eyebrow{font-size:14px;color:var(--blue);font-weight:700;letter-spacing:1px;margin:0 0 14px}h1{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-1.4px;margin:0 0 16px}h2{font-size:23px;line-height:1.4;margin:0 0 18px}h3{font-size:18px;margin:0 0 12px}p{line-height:1.75}.muted{color:var(--muted)}.intro{margin-bottom:30px}.intro p{margin:0;max-width:720px}.catalog{display:grid;grid-template-columns:210px 1fr;gap:30px}.panel,.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}.vendors{padding:20px;height:fit-content}.vendors h3{font-size:14px;color:var(--muted);margin-bottom:18px}.vendor{width:100%;text-align:left;border:0;border-radius:9px;background:#eaf1ff;color:var(--blue);font-weight:700;padding:13px}.vendor span{float:right;font-weight:500}.exam-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.badge{display:inline-block;font-size:14px;font-weight:600;background:#fff0ed;color:#a83926;padding:7px 11px;border-radius:6px;margin-bottom:16px}.code{font-size:14px;font-weight:700;color:var(--muted)}.metrics{display:flex;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:24px 0}.metrics strong{display:block;font-size:22px;margin-bottom:6px}.metrics span{font-size:14px;color:var(--muted)}.setup{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:9px}select,input[type=number]{width:100%;background:#fff;border:1px solid #c5cfde;border-radius:8px;padding:12px;color:#18243a}.mode-select{display:flex;gap:10px;margin:22px 0}.mode{flex:1;border:1px solid var(--line);background:#fff;border-radius:10px;padding:15px;text-align:left}.mode strong,.mode span{display:block}.mode span{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.6}.mode.selected{border:2px solid var(--blue);padding:14px;background:#f4f8ff}.primary,.secondary{border-radius:8px;padding:12px 20px;font-weight:600;border:1px solid transparent}.primary{background:var(--blue);color:white}.primary:hover{background:#1048b9}.secondary{background:white;border-color:#c9d3e2;color:#213451}.secondary:hover{background:#f0f4fa}.actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.note{font-size:14px;color:var(--muted);line-height:1.7}.import-note{margin-top:20px}.import-note summary{cursor:pointer;font-size:14px;color:var(--muted)}.import-note ul{font-size:14px;line-height:1.8;padding-left:22px}.exam-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.exam-top h1{font-size:27px;margin-bottom:6px;letter-spacing:-.7px}.exam-top p{margin:0;font-size:14px;color:var(--muted)}.timer{background:#172944;color:white;padding:13px 22px;border-radius:10px;font-variant-numeric:tabular-nums;text-align:center}.timer span{display:block;font-size:12px;color:#bfcee5;margin-bottom:4px}.timer strong{font-size:24px}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px}.question-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:23px}.question-bar span{font-size:14px;color:var(--muted)}.flag{background:none;border:1px solid var(--line);border-radius:7px;padding:8px 12px;font-size:14px;color:#52627a}.flag.active{background:#fff2cf;border-color:#e9c571;color:#805c09}.stem{line-height:1.85;margin-bottom:25px;overflow-wrap:anywhere}.stem img,.option img{display:block;max-width:100%;height:auto;margin:12px 0;border-radius:4px}.instruction{color:var(--muted);font-size:14px;margin-bottom:16px}.options{display:grid;gap:12px}.option{display:flex;align-items:flex-start;gap:13px;border:1px solid #d5deea;border-radius:10px;padding:16px;cursor:pointer;line-height:1.7;overflow-wrap:anywhere}.option:hover{background:#f8faff}.option:has(input:checked){background:#edf4ff;border-color:var(--blue)}.option input{margin-top:7px;accent-color:var(--blue);width:18px;height:18px;flex-shrink:0}.option-key{font-weight:700;color:#586b88;min-width:20px}.option-content{min-width:0}.option.correct{border-color:#21a06b;background:#effaf5}.option.wrong{border-color:#d75252;background:#fff1f1}.feedback{margin-top:20px;border-left:4px solid #21a06b;padding:5px 0 5px 15px;line-height:1.8}.feedback.wrong{border-color:#d75252}.question-actions{border-top:1px solid var(--line);margin-top:26px;padding-top:22px}.navigator{padding:22px;height:fit-content;position:sticky;top:20px}.progress-text{font-size:14px;color:var(--muted);margin-bottom:13px}.progress{height:5px;background:#e7ecf4;border-radius:8px;margin-bottom:23px;overflow:hidden}.progress div{height:100%;background:var(--blue)}.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;max-height:330px;overflow:auto;padding:2px}.jump{padding:9px 0;background:#fff;border:1px solid var(--line);border-radius:6px;font-size:14px;color:#52627a}.jump.answered{background:#deebff;color:var(--blue);border-color:#adc8f3}.jump.flagged{box-shadow:inset 0 -4px #e6b438}.jump.current{outline:2px solid var(--blue)}.legend{font-size:12px;color:var(--muted);line-height:1.9;margin:16px 0 22px}.navigator>.primary{width:100%}.result-hero{background:#172944;color:#fff;border-radius:16px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:25px}.result-hero h1{font-size:32px}.result-hero p{color:#c4d0e2;margin:0}.score{font-size:56px;font-weight:800;letter-spacing:-2px}.score small{font-size:20px;letter-spacing:0}.result-stats{display:flex;gap:22px;flex-wrap:wrap;margin-top:16px;color:#d7e0ed;font-size:14px}.review-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.review-list{display:grid;gap:22px}.review-list .stem{margin-bottom:18px}.review-list .option{cursor:default}.review-tag{font-size:14px;font-weight:700;color:#23815b}.review-tag.wrong{color:#b33d3d}footer{border-top:1px solid var(--line);max-width:1184px;margin:0 auto;padding:24px 0 30px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between;gap:12px}dialog{border:0;border-radius:16px;padding:28px;max-width:460px;width:calc(100% - 40px);box-shadow:0 20px 90px #17294455}dialog::backdrop{background:#17294477}:focus-visible{outline:3px solid #e29c26;outline-offset:3px}.loading{padding:50px;text-align:center}@media(max-width:800px){.catalog{grid-template-columns:1fr}.vendors{padding:14px}.vendors h3{display:none}.vendor{max-width:200px}.exam-layout{grid-template-columns:1fr}.navigator{position:static}.grid{grid-template-columns:repeat(10,1fr)}.brand-note,.header-note{display:none}main{padding:26px 18px 40px}.panel,.card{padding:20px}.result-hero{padding:25px;align-items:flex-start}.score{font-size:42px}footer{margin:0 18px;flex-wrap:wrap}.exam-top{align-items:flex-start}.timer{padding:10px 14px}.timer strong{font-size:20px}}@media(max-width:460px){.setup{grid-template-columns:1fr}.mode-select{flex-direction:column}.metrics{gap:18px}.metrics strong{font-size:19px}.exam-heading{display:block}.result-hero{flex-direction:column}.grid{grid-template-columns:repeat(7,1fr)}.exam-top h1{font-size:23px}.question-bar{flex-wrap:wrap}.review-toolbar{flex-wrap:wrap}}

.exam-cards{display:grid;gap:20px}.exam-cards .card h2{margin-top:8px}.exam-cards .card p{margin:12px 0 22px}