/* Task-first Academy UI. System fonts, no external assets or tracking. */
:root{--ink:#18292f;--ink-2:#53646a;--ink-3:#64767c;--paper:#fff;--paper-2:#f1f4f3;--rule:#d8e0dd;--hazard:#18292f;--hi:#ead792;--hi-lite:#f0e2b8;--hi-deep:#e0c975;--orange:#ba512d;--blueprint:#173c47;--pass-d:#166448;--fail-d:#a33224}
body{background:#f4f5f1;color:var(--ink);font-size:16px;line-height:1.6;overflow-x:visible}
.scene,.hazbar{display:none!important}.rack{width:min(1240px,calc(100% - 64px));max-width:1240px;margin:0 auto;padding:0 0 36px;display:block}.rack>*{margin-bottom:24px}
.board{background:#fff;border:1px solid var(--rule);border-radius:12px;box-shadow:none;overflow:hidden}.board-hd{background:#f8faf8;color:var(--ink);border-bottom:1px solid var(--rule);padding:16px 22px}.board-bd{padding:24px}.hd-title{font:650 15px var(--sans);letter-spacing:0;text-transform:none}.hd-tag{font:500 12px var(--sans);background:#e9eeeb;color:var(--ink-2);border:0;letter-spacing:0;text-transform:none}.hd-ico{display:none}
.sitenav{display:flex;justify-content:space-between;align-items:center;gap:20px;overflow:visible;flex-wrap:wrap;position:relative;padding:22px 0;background:transparent;border:0;border-bottom:1px solid var(--rule);border-radius:0;box-shadow:none;margin-bottom:32px}.nav-brand{font:750 16px var(--sans);letter-spacing:-.3px;color:var(--ink);text-transform:none;gap:9px}.nav-brand svg{width:27px;height:27px}.nav-links{display:flex;gap:4px;flex-wrap:wrap}.nav-links a{font:550 13px var(--sans);text-transform:none;letter-spacing:0;padding:10px 12px;border:1px solid transparent;border-radius:7px;box-shadow:none}.nav-links a[aria-current=page]{background:#e6ebe7;border-color:#d2dbd5;color:var(--ink);box-shadow:none}.nav-links a:hover{background:#e9eeea}.skip-link{position:absolute;top:-90px;left:12px;z-index:30;background:#fff;padding:12px}.skip-link:focus{top:8px}
h1,h2,h3{line-height:1.18;letter-spacing:-.035em}h1{font-size:clamp(32px,4.5vw,60px);font-weight:650}h2{font-size:28px;font-weight:650}h3{font-size:19px;font-weight:650}.eyebrow{font:650 11px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:#68786d;display:block;margin-bottom:18px}.lede{font-size:17px;max-width:64ch;color:var(--ink-2);margin:18px 0 24px}.quiet{font-size:14px;color:var(--ink-2)}.pill{display:inline-flex;padding:4px 10px;background:#edf2ee;border:1px solid #dbe4dd;border-radius:100px;font-size:12px;font-weight:600}.pill.good{background:#eaf4ec;color:#166448}.pill.reference{background:#f8efd9;color:#79531b}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.button,.cta-btn,.run-btn,.t-btn,.btn{font:600 14px var(--sans);text-transform:none;letter-spacing:0;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:7px;padding:12px 18px;min-height:44px;box-shadow:none;transition:background .15s;min-width:0}.button:hover,.cta-btn:hover,.run-btn:hover:not(:disabled),.btn:hover{background:#2d4f59;color:#fff;transform:none;box-shadow:none}.button.secondary,.t-btn,.btn-alt{background:#fff;color:var(--ink);border-color:var(--rule)}.button.secondary:hover,.t-btn:hover,.btn-alt:hover{background:#edf2ee}.button:disabled,button:disabled{opacity:.55;cursor:wait}a{color:#215868}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #23788f;outline-offset:3px}summary{cursor:pointer;font-weight:600;padding:10px 0}details p{margin:12px 0;color:var(--ink-2)}
.home-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;padding:24px 0 44px}.hero-copy{padding:16px 0}.hero-copy h1 span{color:#59746b}.hero-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--ink-2);margin-top:20px}.blueprint-preview{background:#173c47;border-radius:14px;padding:26px;color:#e2eeec;position:relative;overflow:hidden;box-shadow:0 18px 35px #19372f12}.blueprint-preview svg{width:100%;display:block}.preview-head,.preview-bottom{display:flex;justify-content:space-between;gap:12px;font:11px var(--mono);letter-spacing:.06em}.preview-head{padding-bottom:18px;border-bottom:1px solid #ffffff22}.preview-bottom{padding-top:16px;border-top:1px solid #ffffff22;color:#a5c4bc}.preview-bottom b{color:#e8daaa}.status-strip{display:grid;grid-template-columns:repeat(3,1fr);background:#e9eee8;border-radius:10px;padding:22px 28px;gap:24px}.status-strip b{font-size:24px;letter-spacing:-.03em;display:block}.status-strip span{font-size:13px;color:var(--ink-2)}.section-head{display:flex;gap:18px;justify-content:space-between;align-items:end;margin:48px 0 20px}.section-head p{margin-top:8px;color:var(--ink-2);font-size:14px}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.route-card{padding:26px;border:1px solid var(--rule);background:#fff;border-radius:10px;color:var(--ink);text-decoration:none;display:flex;flex-direction:column;gap:13px}.route-card:hover{border-color:#77938a;background:#fafcf9}.route-card .route-no{font:12px var(--mono);color:#708277}.route-card p{font-size:14px;color:var(--ink-2);flex:1}.route-card strong{font-size:13px;color:#235949}.filters{display:flex;align-items:end;gap:16px;flex-wrap:wrap;padding:20px;border-bottom:1px solid var(--rule)}.filters label{display:grid;gap:5px;font-size:12px;font-weight:600;flex:1;min-width:150px}.filters input,.filters select,input,select,textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #c6d2ca;border-radius:6px;padding:10px 12px;max-width:100%}.filters button{margin-left:auto}.table-wrap{overflow-x:auto}table.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.data-table th{font-size:11px;color:var(--ink-2);font-weight:600;background:#f8faf7;white-space:nowrap}.data-table th,.data-table td{padding:16px 20px;border-bottom:1px solid var(--rule)}.data-table td small{display:block;font-size:12px;color:var(--ink-2);margin-top:3px}.table-note{padding:16px 20px;background:#fafbf8;font-size:13px;color:var(--ink-2)}.empty-state{padding:32px;text-align:center;color:var(--ink-2)}.lower-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:40px}.resource-box{border-top:1px solid var(--rule);padding-top:24px}.resource-box p{margin:12px 0 16px;color:var(--ink-2);font-size:14px}.resource-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}.footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--rule);padding-top:24px;margin-top:56px!important;color:var(--ink-2);font-size:12px}.footer a{color:var(--ink-2)}[hidden]{display:none!important}
/* Practice workspace */
.page-intro{margin:30px 0}.page-intro h1{font-size:38px}.page-intro .lede{margin:12px 0 0;max-width:80ch;font-size:16px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;align-items:start}.workspace-grid>*{min-width:0}.workspace-grid .board-bd{padding:20px}.plan-frame{border:1px solid var(--rule);border-radius:6px;box-shadow:none}.plan-meta{margin-bottom:16px;gap:6px}.chip{font:500 11px var(--sans);letter-spacing:0;text-transform:none;box-shadow:none;border:1px solid var(--rule);background:#f1f5f0;color:var(--ink-2)}.plan-cap{font:12px var(--sans);color:var(--ink-2);text-transform:none;letter-spacing:0}.task-card{background:transparent;padding:0;border:0;margin-top:18px}.task-card h3{font:650 15px var(--sans);text-transform:none;letter-spacing:0}.gt-box{padding:6px 12px;background:#f4f7f2;border-color:var(--rule)}.gt-box summary{font-size:13px}.mode-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0 0 18px!important}.mode-card{padding:12px 8px 12px 28px;border:1px solid var(--rule);border-radius:7px;background:#fff}.mode-card input{left:8px;top:14px;width:14px;height:14px}.mode-card.active{background:#edf3ee;border-color:#527a65;box-shadow:none}.mode-card .mc-title{font-size:13px;display:block;font-weight:650}.mode-card .mc-desc{font-size:11px;display:block;line-height:1.45}.endpoint-form{padding:0;background:transparent;border:0}.ef-grid{grid-template-columns:1fr;gap:12px}.field label{font:600 13px var(--sans);text-transform:none;letter-spacing:0}.field .hint{font-size:12px}.field input{font:14px var(--sans);min-height:44px}.remember-row{font-size:12px}.note{font-size:12px;padding:10px}.note-box{margin:12px 0}.run-actions{gap:10px}.run-btn{flex:1;font-size:15px;padding:14px;animation:none!important;background:#1b463f}.run-btn:active:not(:disabled){transform:none;box-shadow:none}.run-status{font:13px var(--sans);letter-spacing:0;text-transform:none;flex-basis:100%;font-weight:500}.progress-track{display:flex;gap:6px;margin:18px 0 0}.progress-track span{flex:1;border-top:3px solid #dce4dd;padding-top:7px;font-size:11px;color:var(--ink-2)}.progress-track span.done{border-color:#368266;color:#19503d}.progress-track span.active{border-color:#b48436;color:#815c1c}.trace-wrap{margin-top:20px}.trace-hd{font:600 13px var(--sans);text-transform:none;letter-spacing:0}.trace{max-height:230px}.trace-row{font-size:12px}.score-panel{padding-top:0;margin-top:24px}.result-section{margin-top:24px}.result-section:empty{display:none}.verdict{padding:20px;background:#edf5ed!important;border:1px solid #c8decd;border-radius:8px;display:flex;gap:20px;color:var(--ink)}.verdict.fail{background:#fff0ec!important;border-color:#e8c7bb}.verdict-badge{background:none!important;color:var(--pass-d);padding:0;font-size:16px;min-width:0}.verdict.fail .verdict-badge{color:var(--fail-d)}.verdict-metric{gap:12px}.vm-num{font:650 36px var(--sans);letter-spacing:-.05em}.vm-lbl{font:12px var(--sans);text-transform:none;letter-spacing:0}.verdict-line,.noncert{font:13px var(--sans);text-transform:none;letter-spacing:0}.score-table{font-size:14px}.score-table th{font:600 12px var(--sans);text-transform:none;letter-spacing:0}.score-note,.score-fine{font-size:13px;max-width:none}.score-actions{gap:8px}.result-title{margin-bottom:16px}.run-history{margin-top:28px}.run-history .section-head{margin-top:0}.json-input{width:100%;min-height:175px;font:12px/1.6 var(--mono);resize:vertical}.import-panel{margin-bottom:18px}.import-panel label{display:block;margin:12px 0 5px;font-size:13px;font-weight:600}.feedback{padding:14px;border:1px solid #dfc0b4;border-radius:7px;background:#fff2ec;color:#80341c;font-size:14px;margin-top:16px}.feedback a{color:inherit}.highlight-room{fill:#dceddf!important;stroke:#2e7c59;stroke-width:3}.deck-name h1{font-size:clamp(26px,3vw,40px);font-weight:650}.deck-name .tag{font:13px var(--sans);letter-spacing:0;text-transform:none;color:var(--ink-2)}.deck-mark,.deck-chips{display:none}.deck-brand{margin-bottom:16px}.st-lede,.howto-lede,.sec-lede{font-size:15px;max-width:85ch}.status-bar{font:11px var(--sans);letter-spacing:0}.directory{padding:18px}.foot-note{color:var(--ink-2);font-size:12px}.codebox,pre{overflow-x:auto;max-width:100%}.copy-row{display:flex;justify-content:space-between;align-items:center;gap:16px}.quickstart-code{background:#18323b;color:#e2eee9;padding:22px;border-radius:8px;font:13px/1.8 var(--mono);white-space:pre;overflow:auto}.guide-steps{display:grid;gap:24px;margin-top:24px}.guide-step{padding:24px;border:1px solid var(--rule);border-radius:10px;background:#fff}.guide-step h2{font-size:22px}.guide-step p{color:var(--ink-2);margin:12px 0 18px}.guide-step .eyebrow{margin-bottom:10px}
@media(max-width:1000px){.home-hero{gap:28px}.sitenav{gap:12px}.nav-links a{padding:8px}.workspace-grid{grid-template-columns:1fr}.plan-frame{max-width:760px}.mode-row{grid-template-columns:repeat(3,1fr)}.route-grid{gap:12px}.route-card{padding:20px}}
@media(max-width:650px){.rack{width:calc(100% - 32px)}.sitenav{padding:16px 0;margin-bottom:24px}.nav-links{gap:0;width:100%;justify-content:space-between}.nav-links a{padding:8px 6px;font-size:12px}.nav-brand{font-size:15px}.home-hero{grid-template-columns:1fr;padding:0 0 12px;gap:16px}.hero-copy{padding:0}.hero-copy h1{font-size:40px}.blueprint-preview{padding:20px}.status-strip{padding:16px;gap:12px}.status-strip b{font-size:22px}.status-strip span{font-size:11px}.route-grid,.lower-grid{grid-template-columns:1fr}.section-head{margin-top:32px;align-items:start}.section-head h2{font-size:24px}.route-card{padding:20px}.page-intro h1{font-size:31px}.page-intro .lede{font-size:14px}.board-bd{padding:18px}.board-hd{padding:14px 18px}.mode-card{padding-left:25px;padding-right:5px}.mode-card .mc-title{font-size:12px}.mode-card .mc-desc{font-size:10px}.verdict{flex-direction:column;gap:8px}.data-table th,.data-table td{padding:12px}.filters{padding:14px;gap:12px}.deck-name h1{font-size:26px}.footer{margin-top:32px!important}.quickstart-code{font-size:11px;padding:16px}.load-row{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}