@import url('data:text/css,');
:root{--olive:#384b3b;--olive2:#253629;--gold:#bfa16b;--paper:#f6f6f1;--ink:#26312b;--muted:#6e776f;--line:#e1e5db;--green:#268350;--red:#b6453b;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 'Segoe UI',Arial,sans-serif}a{color:var(--olive);text-decoration:none}button,input,select,textarea{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);background:white;border-radius:7px;padding:11px 18px;color:var(--ink);font-weight:600}button:hover{border-color:var(--olive);background:#f1f3ec}button:disabled{cursor:default;opacity:.6}button.primary,.primary{background:var(--olive);color:white;border-color:var(--olive)}button.primary:hover{background:var(--olive2)}button.small{padding:6px 12px;font-size:13px}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:#fff;border-right:1px solid var(--line);padding:30px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:14px;align-items:center;font-size:13px;letter-spacing:2px;line-height:1.35;margin-bottom:46px}.brand strong{font-size:25px;letter-spacing:1px}.insignia{display:grid;place-items:center;background:var(--olive);color:var(--gold);width:46px;height:53px;border-radius:9px;font-size:26px;letter-spacing:-10px;padding-right:10px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--muted);margin:0 12px 16px}nav{display:grid;gap:6px}nav a{padding:12px;border-radius:7px;color:var(--muted);display:flex;gap:12px;align-items:center}nav a.active{background:#edf1e9;color:var(--olive);font-weight:650}nav a:hover{background:#f4f5ef}.side-bottom{margin-top:auto;font-size:12px;color:var(--muted)}.side-bottom p{font-size:11px}.online-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:6px}.shell{margin-left:244px}header{height:76px;background:#fff;border-bottom:1px solid var(--line);padding:0 42px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}header b{margin:0 15px;color:#b3b9ae}.avatar{border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;width:34px;height:34px;font-weight:600}main{max-width:1450px;margin:auto;padding:34px 42px 54px}h1{font-size:30px;line-height:1.25;font-weight:650;letter-spacing:-.8px;margin:5px 0 12px}h2{font-size:20px;line-height:1.35;margin:0 0 15px}h3{font-size:16px;margin:0 0 8px}p{margin:8px 0 16px}.muted{color:var(--muted)}.topline,.row{display:flex;justify-content:space-between;align-items:center;gap:16px}.kicker{font-size:11px;text-transform:uppercase;letter-spacing:1.8px;font-weight:650;color:var(--muted)}.badge{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:30px;padding:5px 12px;font-size:11px;background:white;gap:7px}.hero{margin:25px 0;background:var(--olive2);color:white;border-radius:12px;padding:32px 36px;display:grid;grid-template-columns:1.7fr 1fr;overflow:hidden;position:relative}.hero h2{font-size:28px;font-weight:550;max-width:520px;margin-top:12px}.hero p{color:#c9d3c5;max-width:540px;font-size:14px}.hero .kicker{color:#d1b77f}.hero button{background:#e9dec4;color:var(--olive2);border:0;margin-top:8px}.hero-art{display:flex;align-items:center;justify-content:center;position:relative}.hero-art .chevrons{font-size:95px;letter-spacing:-38px;transform:rotate(-90deg);color:var(--gold);padding-right:38px}.hero-art:before,.hero-art:after{content:'';position:absolute;border:1px solid #bfa16b22;border-radius:50%;width:220px;height:220px}.hero-art:after{width:300px;height:300px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}.stat,.card{background:white;border:1px solid var(--line);border-radius:10px;padding:22px}.stat .value{font-size:31px;font-weight:650;letter-spacing:-1px;display:block;margin:8px 0}.stat label{font-size:12px;color:var(--muted)}.stat small{color:var(--muted);font-size:11px}.grid{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;margin:26px 0}.card-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-title h2{margin:0;font-size:18px}.progress{height:6px;background:#edf0e8;border-radius:5px;overflow:hidden;margin:8px 0}.progress span{display:block;background:var(--olive);height:100%;border-radius:5px}.chapter-mini{padding:14px 0;border-bottom:1px solid var(--line)}.chapter-mini:last-child{border:0}.notice{padding:14px 18px;background:#f4f0e6;border:1px solid #e5dac2;border-radius:8px;font-size:12px;color:#776341;margin:18px 0}.notice.error{background:#fff0ec;color:var(--red)}.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}select,input[type=search],input[type=number],textarea{border:1px solid #d7ddd1;border-radius:7px;padding:10px 12px;background:#fff;color:var(--ink)}input[type=search]{min-width:250px;flex:1}textarea{width:100%;min-height:130px;resize:vertical}label.field{display:grid;gap:6px;font-size:12px;color:var(--muted);flex:1}.chapter{background:white;border:1px solid var(--line);border-radius:10px;margin:16px 0;overflow:hidden}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.chapter>summary{padding:20px 23px;background:#eef1e9;display:flex;align-items:center;gap:15px}.chapter>summary:after,.block>summary:after,.topic>summary:after{content:'+';margin-left:auto;color:var(--muted)}details[open]>summary:after{content:'−'}.chapter-num{font-family:Georgia,serif;font-size:26px;color:#73816a}.chapter>summary strong{font-size:17px}.block{margin:10px 22px}.block>summary{padding:16px 5px;border-bottom:1px solid var(--line);display:flex;font-weight:650;font-size:13px}.topic{margin-left:15px}.topic>summary{display:flex;align-items:center;gap:12px;padding:16px 8px;border-bottom:1px solid #edf0e8;font-size:13px}.topic .topic-title{flex:1}.topic small{font-size:11px;color:var(--muted)}.topic-content{padding:14px 8px 22px}.test-row{padding:13px 14px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.test-row:nth-child(even){background:#fafbf8}.test-row .test-info{flex:1;font-size:13px}.test-row small{display:block;color:var(--muted);font-size:11px}.check{display:grid;place-items:center;flex-shrink:0;width:23px;height:23px;border:1.5px solid #c8d0c2;border-radius:4px;color:#a6aea0}.check.passed{color:#1f8a4c;border-color:#69b183;background:#eef8f0;font-size:22px;font-weight:800}.check.failed{color:var(--red);background:#fff3ef;border-color:#e7c6be}.empty{text-align:center;padding:45px 20px;color:var(--muted)}.quiz-layout{display:grid;grid-template-columns:1fr 250px;gap:22px}.question{font-size:21px;font-weight:600;line-height:1.7;margin:24px 0;white-space:pre-wrap}.options{display:grid;gap:10px}.option{text-align:left;padding:15px 18px;display:flex;align-items:flex-start;gap:15px;font-size:17px;font-weight:600}.option b{display:grid;place-items:center;min-width:29px;height:29px;border-radius:5px;background:#f0f2eb;font-size:12px}.option.selected{border:2px solid var(--olive);background:#f0f4ec}.option.correct{border-color:#449a64;background:#edf8ef}.option.wrong{border-color:#d47c72;background:#fff0ec}.feedback{padding:20px;border-radius:8px;background:#f0f5ec;margin:20px 0}.feedback.wrong{background:#fff2ee}.feedback blockquote{border-left:3px solid var(--gold);margin:14px 0;padding:4px 14px;font-size:13px}.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}.qnav button{padding:6px 0;font-size:12px}.qnav .answered{background:#e6eddf}.qnav .current{border:2px solid var(--olive)}.timer{font-size:28px;font-variant-numeric:tabular-nums;margin:12px 0}.result-score{font-size:64px;color:var(--olive);font-weight:650;line-height:1.1}.review{border-top:1px solid var(--line);padding:18px 0}.review summary{font-size:13px}.review p{font-size:13px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);font-weight:600}.chat-message{white-space:pre-wrap;padding:18px;background:#f1f4ec;border-radius:10px;margin:12px 0;overflow-wrap:anywhere}.chat-message.user{background:#fff;border:1px solid var(--line);margin-left:40px}.chat-message small{display:block;color:var(--muted);margin-bottom:7px}.links{display:flex;gap:12px;flex-wrap:wrap}.links a{border:1px solid var(--line);padding:10px 15px;border-radius:7px;background:#fff}.source-text{white-space:pre-wrap;font-size:14px;max-height:500px;overflow:auto;padding:15px;background:#fafbf8}.tag{font-size:10px;color:var(--muted);background:#edf1e8;padding:3px 7px;border-radius:4px}footer{padding:20px 42px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}#toast{position:fixed;bottom:25px;right:25px;padding:14px 20px;border-radius:8px;background:var(--olive2);color:white;max-width:430px;display:none;z-index:10}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.danger{color:var(--red)}.good{color:var(--green)}.nowrap{white-space:nowrap}@media(max-width:1100px){.sidebar{width:210px;padding:25px 15px}.shell{margin-left:210px}main{padding:25px}header{padding:0 25px}.quiz-layout{grid-template-columns:1fr}.stats{gap:10px}.stat{padding:15px}}@media(max-width:760px){.sidebar{position:relative;width:100%;padding:16px}.brand{margin:0 0 15px}.sidebar .eyebrow,.side-bottom{display:none}nav{display:flex;overflow-x:auto;gap:6px}nav a{white-space:nowrap;padding:8px;font-size:12px}.shell{margin:0}header{height:55px;padding:0 20px}main{padding:22px 16px}.hero{grid-template-columns:1fr;padding:25px}.hero-art{display:none}.hero h2{font-size:25px}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.topline{align-items:flex-start}.topline .badge{display:none}h1{font-size:27px}.block{margin:5px 10px}.topic{margin-left:3px}.test-row{flex-wrap:wrap}.test-row .test-info{min-width:150px}.row{flex-wrap:wrap}.question{font-size:19px}footer{padding:20px}.toolbar{gap:8px}.toolbar select{max-width:100%}}
.check{line-height:1}

.qnav .answered{background:#eef0f3;color:#475569;border-color:#aab2bd}
.qnav .correct{background:#dff3e5;color:#14532d;border-color:#268350;font-weight:750}
.qnav .wrong{background:#ffe2df;color:#8d201b;border-color:#b6453b;font-weight:750}
.qnav .blank{background:#f5eddb;color:#704d0b;border-color:#b39a65}
.qnav .current{outline:2px solid #26312b;outline-offset:2px}
.result-nav{max-width:420px;margin-bottom:24px}