:root{--navy:#10283f;--blue:#264b6b;--teal:#087c77;--mint:#d9f3e9;--ink:#172f43;--muted:#526778;--line:#dbe3e8;--bg:#f3f6f9;--white:#fff;--amber:#a8580e;--red:#ac3636;font-family:Inter,Arial,sans-serif;color:var(--ink);font-size:16px;line-height:1.6}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}a{color:var(--teal)}button:disabled{opacity:.5;cursor:not-allowed}h1,h2,h3,p{margin-top:0}h1{font-size:2.3rem;line-height:1.2;letter-spacing:-.06rem;margin-bottom:.6rem}h2{font-size:1.35rem;line-height:1.4}h3{font-size:1.05rem;line-height:1.4}p{margin-bottom:1rem}.sidebar{position:fixed;inset:0 auto 0 0;width:246px;padding:34px 24px;background:var(--navy);color:white;display:flex;flex-direction:column}.brand{text-decoration:none;color:white;display:block}.brandmark{display:block;font-family:Georgia,serif;font-size:2rem;letter-spacing:-.1rem;margin-bottom:8px}.brandmark span{color:#67cab4}.brand strong{font-size:.85rem;letter-spacing:.14em}.course{font-size:.9rem;color:#c5d4df;margin:28px 0 30px;border-top:1px solid #ffffff26;padding-top:20px}.course span{float:right;background:#ffffff15;padding:0 8px;border-radius:4px}nav{display:grid;gap:6px}nav a{color:#c9d5de;text-decoration:none;padding:11px 13px;border-radius:7px;font-size:.95rem}nav a:hover,nav a.active{background:#27455e;color:white}nav a.active{box-shadow:inset 3px 0 #72d6bc}.sidebar-bottom{margin-top:auto;padding:28px 8px 0}.sidebar-bottom p{font-family:Georgia,serif;font-size:1.45rem;line-height:1.4;color:#dfebf3;margin:12px 0}.sidebar-bottom .muted{color:#a7bfce;font-size:.8rem}.smallcaps{font-size:.75rem;font-weight:700;letter-spacing:.11em;color:var(--teal)}.sidebar .smallcaps{color:#83cfbd}.shell{margin-left:246px}.topbar{height:76px;padding:0 44px;display:flex;align-items:center;justify-content:space-between;background:white;border-bottom:1px solid var(--line);font-size:.75rem;letter-spacing:.11em;color:var(--muted)}main{max-width:1450px;margin:auto;padding:38px 44px 28px;min-height:80vh}footer{padding:20px 44px 30px;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line)}.badge{display:inline-block;border:1px solid var(--line);border-radius:25px;padding:4px 11px;font-size:.75rem;letter-spacing:0;background:white;color:var(--muted)}.pagehead{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.pagehead p{color:var(--muted);margin:0}.muted{color:var(--muted)}.primary,.secondary,.quiet{border-radius:6px;padding:10px 17px;font-weight:600;text-decoration:none;display:inline-block;font-size:.9rem;text-align:center}.primary{background:var(--teal);color:white;border:1px solid var(--teal)}.primary:hover{background:#06645f}.secondary{background:white;color:var(--ink);border:1px solid #c8d5dd}.secondary:hover{background:#f0f5f7}.quiet{border:0;background:none;color:var(--teal)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:26px}.stat{background:white;border:1px solid var(--line);border-radius:10px;padding:20px}.stat strong{display:block;font-size:1.9rem;line-height:1.3;margin:7px 0}.stat label,.stat small{color:var(--muted);font-size:.85rem}.layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(270px,1fr);gap:24px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:22px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.card-title h2{margin:0}.focus-card{background:var(--navy);color:white;border:0;position:relative}.focus-card p{color:#d0e0eb}.focus-card .smallcaps{color:#8de0c7}.focus-card .primary{background:#89e0c6;color:#102f3e;border-color:#89e0c6}.focus-card h2{font-family:Georgia,serif;font-size:1.9rem;font-weight:400;line-height:1.3;margin:16px 0}.topic-row{padding:15px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 76px;gap:12px;align-items:center}.topic-row:last-child{border:0}.topic-row a{font-weight:600;text-decoration:none;color:var(--ink)}.topic-row small{color:var(--muted);font-size:.8rem}.topic-row .pct{text-align:right;font-weight:600}.bar{height:5px;border-radius:5px;background:#e9eef2;margin-top:8px;overflow:hidden}.bar span{display:block;height:100%;background:var(--teal);border-radius:5px}.notice{padding:14px 17px;border-left:3px solid #568ba7;background:#eaf2f7;color:#36566a;font-size:.85rem;margin-bottom:22px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid .card{margin:0}.filters{display:flex;align-items:end;gap:18px;flex-wrap:wrap;margin-bottom:24px}label.field{display:grid;gap:6px;font-size:.85rem;color:var(--muted);min-width:150px;flex:1}select,input[type=number],input[type=date],textarea{border:1px solid #bbcbd6;border-radius:6px;background:white;padding:10px;color:var(--ink);max-width:100%}.steps{list-style:none;padding:0;margin:0}.steps li{padding:13px 0;display:flex;gap:13px;border-bottom:1px solid var(--line)}.steps li:last-child{border:0}.steps b{color:var(--teal)}.steps small{display:block;color:var(--muted)}.exam-grid .card h2{font-size:1.3rem;margin:14px 0 8px}.exam-grid .actions{margin-top:22px}.exam-strip{display:flex;gap:15px;color:var(--muted);font-size:.85rem}.question-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px}.question-card{min-height:450px}.question-card h2{font-size:1.2rem;line-height:1.65;margin:22px 0}.option{width:100%;display:flex;gap:14px;align-items:center;text-align:left;padding:16px;border:1px solid #cbd8df;border-radius:8px;margin:12px 0;background:white;color:var(--ink)}.option .letter{border:1px solid #c9d5df;border-radius:5px;min-width:30px;height:30px;text-align:center;line-height:28px;font-weight:600}.option.selected{border:2px solid var(--teal);background:#effaf5;padding:15px}.option.correct{border:2px solid var(--teal);background:#e8f6ef;padding:15px}.option.incorrect{border:2px solid var(--red);background:#fff1f1;padding:15px}.option:disabled{opacity:1}.explain{padding:19px;background:#edf7f2;border-radius:8px;margin:22px 0}.explain.wrong{background:#fff3eb}.explain p:last-child{margin:0}.timer{font-variant-numeric:tabular-nums;font-size:1.55rem;letter-spacing:.05em;font-weight:700}.timer.urgent{color:var(--red)}.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-height:400px;overflow:auto;margin:16px 0}.qnav button{border:1px solid #d1dce3;border-radius:4px;background:#fff;min-height:32px;font-size:.8rem}.qnav button.answered{background:#dcefe9;color:#195a48}.qnav button.flagged{box-shadow:inset 0 -3px #c17a24}.qnav button.current{border:2px solid var(--navy);font-weight:bold}.small{font-size:.85rem}.divider{height:1px;background:var(--line);margin:20px 0}.empty{text-align:center;padding:55px 20px}.empty h2{font-family:Georgia,serif;font-size:1.9rem}.result-score{font-size:3rem;font-weight:700;color:var(--teal)}details{border-bottom:1px solid var(--line);padding:16px 0}summary{font-weight:600;cursor:pointer}details p{margin-top:12px}.formula{font-family:Consolas,monospace;padding:14px;background:#edf3f7;border-radius:5px;overflow-wrap:anywhere}.notes-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.notes-tabs a{text-decoration:none;padding:6px 12px;border:1px solid var(--line);background:white;border-radius:6px;font-size:.85rem}.notes-tabs a.active{background:var(--navy);color:white}.download{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between}.download:last-child{border:0}.download p{margin:0}.download small{color:var(--muted)}.error-item{padding:20px 0;border-bottom:1px solid var(--line)}.error-item textarea{width:100%;min-height:70px;margin-top:10px}.flagbtn[aria-pressed=true]{border-color:#be7e25;background:#fff6df}.skip{position:absolute;left:-10000px;z-index:20;background:white;padding:12px}.skip:focus{left:12px;top:12px}#toast{position:fixed;bottom:24px;right:24px;padding:12px 22px;background:var(--navy);color:white;border-radius:6px;z-index:99;display:none;max-width:min(420px,90vw)}dialog{border:1px solid var(--line);border-radius:12px;padding:28px;max-width:480px;width:90%;color:var(--ink)}dialog::backdrop{background:#10283f88}.saved-status{font-size:.8rem;color:var(--muted)}.inline-link{background:none;border:0;color:var(--teal);text-decoration:underline;padding:0}.progress-ring{width:124px;height:124px;border-radius:50%;background:conic-gradient(var(--teal) var(--progress),#e8eff3 0);display:grid;place-items:center;margin:8px auto 18px}.progress-ring>div{width:102px;height:102px;border-radius:50%;background:white;display:grid;place-content:center;text-align:center}.progress-ring strong{font-size:1.7rem}.progress-ring small{font-size:.75rem;color:var(--muted)}.notice a{color:#184e70}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:.8rem}
@media(min-width:1550px){main{padding-top:46px}.layout{grid-template-columns:1.9fr 1fr}}@media(max-width:1120px){.sidebar{width:210px;padding:28px 18px}.shell{margin-left:210px}main{padding:28px}.topbar,footer{padding-left:28px;padding-right:28px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layout{grid-template-columns:1fr}.question-layout{grid-template-columns:minmax(0,1fr) 220px}}@media(max-width:760px){.sidebar{position:static;width:100%;padding:18px 20px}.brandmark,.sidebar-bottom,.course{display:none}.brand strong{font-size:.9rem}nav{display:flex;overflow:auto;margin-top:14px;gap:2px}nav a{white-space:nowrap;padding:8px 11px;font-size:.85rem}.shell{margin:0}.topbar{height:54px;padding:0 20px}main{padding:24px 18px}.pagehead{align-items:flex-start;flex-direction:column;gap:15px}h1{font-size:1.9rem}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat{padding:15px}.stat strong{font-size:1.65rem}.grid{grid-template-columns:1fr}.question-layout{display:flex;flex-direction:column}.question-layout>aside{order:-1}.question-layout>aside .card{padding:16px;margin:0}.qnav{grid-template-columns:repeat(10,1fr);max-height:100px}.question-card{padding:20px}.card{padding:21px}.download{align-items:flex-start;gap:10px}footer{padding:20px;font-size:.75rem}.filters{gap:12px}.timer{font-size:1.3rem}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .12s,border-color .12s}}@media print{.sidebar,.topbar,footer,.actions{display:none}.shell{margin:0}main{padding:0}.card{break-inside:avoid}}

.track-check{display:flex;align-items:flex-start;gap:10px;margin:14px 0;font-size:0.9rem}.track-check input{width:18px;height:18px;flex-shrink:0;margin-top:5px}#track-settings .field{margin-top:12px}#tracker-log textarea{width:100%}#tracker-log{scroll-margin-top:20px}