:root{color-scheme:dark;--bg:#0d1011;--surface:#141819;--surface2:#1a2021;--line:#2c3435;--text:#f0f3f2;--muted:#a2adad;--accent:#afe3ce;--danger:#ffb6af;--warning:#edcc91;font-family:Inter,'Segoe UI',Arial,sans-serif;font-size:14px;line-height:1.6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(29px,3.3vw,45px);font-weight:600;line-height:1.18;letter-spacing:-.045em;margin:13px 0 20px}h2{font-size:20px;letter-spacing:-.025em;font-weight:600;margin-bottom:10px}h3{font-size:15px;font-weight:600}.layout{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.sidebar{background:#101415;border-right:1px solid var(--line);padding:30px 22px;display:flex;flex-direction:column;min-height:100vh}.brand{display:flex;gap:12px;align-items:center;color:var(--text);font-size:20px;letter-spacing:-.04em;line-height:1.2;font-weight:650}.brand:hover{text-decoration:none}.brand-mark{height:41px;width:41px;border:1px solid var(--accent);color:var(--accent);display:grid;place-items:center;font-weight:700;flex:none}.brand small{display:block;color:var(--muted);font-size:8px;letter-spacing:.18em;margin-top:7px}.light{font-weight:350}.side-label,.eyebrow,.label-small{font-size:10px;font-weight:650;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}.side-label{margin:48px 0 17px}.side-bottom{margin-top:auto;padding-top:32px;font-size:9px;letter-spacing:.1em;color:var(--muted)}.side-bottom span{letter-spacing:0;font-size:11px;color:#84908f}.step{display:flex;gap:10px;align-items:center;padding:7px 9px;color:#8e9a99;border-left:2px solid transparent;font-size:11px}.step span:first-child{font-family:Consolas,monospace;font-size:10px;min-width:21px}.step span:last-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.step.active{background:#202d29;color:var(--accent);border-color:var(--accent)}.step.done{color:#b8c7c1}.main-shell{min-width:0}.topbar{min-height:73px;border-bottom:1px solid var(--line);padding:16px clamp(20px,4vw,58px);display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:11px}.workspace{padding:46px clamp(20px,4vw,58px) 70px;max-width:1440px;margin:auto}.muted,.help{color:var(--muted)}.lead{font-size:14px;line-height:1.9;color:var(--muted);max-width:740px;margin-bottom:25px}.badge{display:inline-block;font-size:10px;letter-spacing:.04em;border:1px solid #414c4b;border-radius:4px;padding:4px 9px;white-space:nowrap;color:#c8d0ce}.status-completed,.status-used{color:var(--accent);border-color:#446456}.status-expired,.status-locked,.status-revoked{color:var(--warning);border-color:#6c5941}.status-in_progress{color:#b3d4f2;border-color:#3f5b73}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:43px;padding:10px 17px;border:1px solid var(--accent);border-radius:5px;background:var(--accent);color:#10231b;font-size:12px;font-weight:650;text-decoration:none}.button:hover{background:#c3ecdc;text-decoration:none}.button.secondary,.button.ghost{background:transparent;border-color:#485351;color:var(--text)}.button.secondary:hover,.button.ghost:hover{border-color:var(--accent);background:var(--surface2)}.button.ghost{min-height:36px;padding:7px 12px;font-size:11px}.button.danger{border-color:#6c4943;color:var(--danger)}.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0}.stat{padding:22px;border-right:1px solid var(--line)}.stat:first-child{padding-left:0}.stat:last-child{border-right:0}.stat strong{display:block;font-size:28px;font-weight:500;letter-spacing:-.04em;line-height:1.4}.stat span{color:var(--muted);font-size:11px}.card{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:25px}.form{max-width:590px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:19px}.field label{font-size:12px;font-weight:600}.input,textarea,select{background:#0e1213;border:1px solid #46514f;color:var(--text);border-radius:4px;padding:12px 13px;width:100%;min-width:0;outline:none}.input:focus,textarea:focus,select:focus{border-color:var(--accent)}.input::placeholder,textarea::placeholder{color:#7f8b88}.input.code{font-family:Consolas,monospace;letter-spacing:.15em;text-transform:uppercase}.check{display:flex;align-items:flex-start;gap:11px;font-size:12px;color:var(--muted);margin:22px 0}.check input{margin-top:5px;accent-color:var(--accent);width:17px;height:17px;flex:none}.help{font-size:12px;line-height:1.7}.error{color:var(--danger);font-size:12px;white-space:pre-line}.error:empty,.message:empty{display:none}.message{color:var(--accent);font-size:12px;margin:14px 0}.notice{padding:15px 17px;border-left:2px solid var(--accent);background:#16221e;color:#c0d3ca;font-size:12px;line-height:1.8;margin:22px 0}.notice.warning{border-color:var(--warning);background:#242016;color:var(--warning)}.welcome{max-width:850px}.question-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.question-heading h1{font-size:clamp(27px,2.8vw,38px)}progress{display:block;appearance:none;width:100%;height:3px;border:0;background:var(--line);margin:28px 0 33px}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.question-grid{display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:30px}.context{border-top:1px solid var(--line);padding-top:20px}.context p{color:#c1ccca;line-height:1.85;margin:10px 0}.task{border-left:2px solid var(--accent);padding-left:17px;margin:23px 0;white-space:pre-line}.task p{margin:7px 0}.table-wrap{overflow:auto}.data-table,.report-table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}.data-table td,.data-table th{padding:7px 10px;border:1px solid var(--line)}.data-table{font-family:Consolas,monospace;margin:10px 0 20px}.data-table th{background:var(--surface2)}.code-block,.answer-preview{border:1px solid var(--line);background:#0a0e0e;border-radius:5px;padding:18px;font:13px/1.8 'Cascadia Code',Consolas,monospace;overflow:auto;white-space:pre}.editor-label{display:flex;justify-content:space-between;gap:10px;font-size:11px;margin:24px 0 10px}.answer-editor{font:13px/1.8 'Cascadia Code',Consolas,monospace;min-height:320px;resize:vertical;tab-size:4;white-space:pre;background:#0a0e0e;border-color:#46514f;padding:18px}.choice-list{display:grid;gap:10px;margin:20px 0}.choice{display:flex;align-items:center;gap:13px;border:1px solid #46514f;border-radius:5px;padding:14px;cursor:pointer;font:13px/1.6 Consolas,monospace}.choice:has(input:checked){border-color:var(--accent);background:#1a2a24}.choice input{accent-color:var(--accent)}.choice-letter{color:var(--muted);font-size:11px}.question-aside{border-top:1px solid var(--line)}.metric{padding:20px 0;border-bottom:1px solid var(--line)}.metric strong{display:block;font:24px/1.4 Consolas,monospace;margin:8px 0;color:var(--text)}.metric .save-state{font:13px/1.6 'Segoe UI',sans-serif;color:var(--accent)}.metric .save-state.pending{color:var(--warning)}.controls{border-top:1px solid var(--line);margin-top:26px;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:15px}.controls .help{max-width:340px;margin:0}.hidden{display:none!important}.nav-item{display:block;color:var(--muted);padding:10px;font-size:12px}.nav-item.active{background:#202d29;color:var(--accent);border-left:2px solid var(--accent)}.dashboard-heading,.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}.dashboard-heading h1{margin-bottom:10px}.section-heading{margin:37px 0 17px}.section-heading h2{margin:0}.admin-columns{display:grid;grid-template-columns:minmax(290px,.82fr) minmax(0,1.3fr);gap:24px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}.report-table th{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:13px 10px;border-bottom:1px solid #45514d;white-space:nowrap}.report-table td{padding:16px 10px;border-bottom:1px solid var(--line);vertical-align:middle}.report-table td:first-child,.report-table th:first-child{padding-left:0}.report-table .sub{display:block;color:var(--muted);font-size:11px;margin-top:3px}.empty{padding:30px 0;color:var(--muted);font-size:13px}.secret-box{margin-top:20px;border:1px solid #4c6b5b;background:#17261f;border-radius:6px;padding:19px;overflow-wrap:anywhere}.secret-box code{font:19px/1.8 Consolas,monospace;letter-spacing:.1em;color:var(--accent)}.secret-box .input{font-size:11px;margin:10px 0}.toolbar{display:flex;gap:13px;flex-wrap:wrap;margin:22px 0}.toolbar .input{max-width:300px}.toolbar select{width:auto}.review-answer{border-top:1px solid var(--line);padding:20px 0}.review-answer summary{display:flex;justify-content:space-between;gap:14px;cursor:pointer;font-size:13px;align-items:center}.review-answer summary span:first-child{flex:1}.review-answer .answer-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-height:480px}.score-row{display:flex;align-items:center;gap:12px;margin:17px 0}.score-row .input{width:95px}.review-footer{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.review-footer textarea{min-height:130px}.login-card{max-width:450px;margin:20px auto}.login-card h1{font-size:31px}.login-card .button{width:100%}.back-link{display:inline-block;margin-bottom:18px;font-size:12px}.footer-note{margin-top:28px;color:#84928d;font-size:11px}.timer-warning{color:var(--warning)!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:1150px){.layout{grid-template-columns:210px minmax(0,1fr)}.sidebar{padding:25px 15px}.question-grid{grid-template-columns:minmax(0,1fr)}.question-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.question-aside .help{grid-column:1/-1}.admin-columns{grid-template-columns:1fr}.workspace{padding:36px 28px 60px}}@media(max-width:760px){.layout{display:block}.sidebar{display:none}.workspace{padding:28px 18px 50px}.topbar{padding:15px 18px;min-height:62px}.topbar>.badge{display:none}h1{font-size:32px}.question-heading{display:block}.question-heading>.badge{margin-top:7px}.stats{margin:23px 0}.stat{padding:15px 10px}.stat strong{font-size:24px}.stat span{font-size:10px}.controls{flex-wrap:wrap}.controls .button{width:100%}.card{padding:20px}.question-grid{gap:24px}.dashboard-heading{align-items:flex-start;flex-direction:column}.two-fields{gap:11px}.report-table{min-width:620px}.review-answer summary{align-items:flex-start}.review-answer summary .badge{font-size:9px}.login-card{margin:10px auto}.answer-editor{min-height:300px}}
