:root{--ink:#173235;--muted:#586d6d;--paper:#f3f3ed;--white:#fff;--line:#d3dcd5;--accent:#b98343;--green:#2a6554;--dark:#122b2e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--green);text-underline-offset:4px}header{background:var(--dark);color:#f4f6ef;display:flex;justify-content:space-between;align-items:center;padding:22px max(5vw,20px);gap:20px}header a{color:inherit}.brand{display:flex;align-items:center;gap:15px;text-decoration:none;font-weight:600;font-size:17px;letter-spacing:.02em}.brand small{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:#b7c8c2}.seal{border:1px solid #849a8c;padding:12px 9px;font:14px ui-monospace,monospace}.header-right{display:flex;gap:14px;align-items:center;font-size:12px}.dot{width:7px;height:7px;border-radius:50%;background:#afbf92}main{max-width:1320px;margin:auto;padding:48px 5vw 64px}.landing{display:grid;grid-template-columns:1.3fr 1fr;gap:9vw;padding-top:32px}.eyebrow{font:11px/1.6 ui-monospace,monospace;letter-spacing:.16em;font-weight:600;color:var(--muted);text-transform:uppercase}h1{font-family:Georgia,serif;font-size:clamp(38px,5vw,68px);line-height:1.08;font-weight:400;margin:20px 0 30px;letter-spacing:-.04em}h1 em{font-style:normal;color:var(--green)}h2{font:400 30px/1.2 Georgia,serif;margin:15px 0 24px}h3{font-size:17px;margin:0 0 12px}.lead{font-size:23px;line-height:1.5;margin:24px 0}.landing p:not(.eyebrow){max-width:600px}.join-card,.panel{background:var(--white);border:1px solid var(--line);padding:30px}.join-card{align-self:start;border-top:3px solid var(--accent);margin-top:10px;box-shadow:0 10px 32px #17323508}label{display:block;font-size:13px;font-weight:600;margin:16px 0}input,textarea{display:block;width:100%;border:1px solid #a8b9b1;border-radius:3px;padding:12px;background:#fcfdfb;color:var(--ink);font:16px/1.4 system-ui;margin-top:6px}textarea{min-height:180px;resize:vertical}button{border:1px solid var(--green);background:var(--green);color:white;padding:12px 18px;border-radius:3px;cursor:pointer;font:600 14px system-ui}button:hover{filter:brightness(.92)}button:disabled{opacity:.5;cursor:not-allowed}.join-card button{width:100%;margin:8px 0;display:flex;justify-content:space-between}.secondary{background:transparent;color:var(--green)}.quiet{background:transparent;border-color:var(--line);color:var(--muted)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}input:focus,textarea:focus{outline:2px solid var(--green);outline-offset:2px}details{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}summary{cursor:pointer;font-size:14px;font-weight:600}.muted{font-size:13px;color:var(--muted)}.case-note{border-left:2px solid var(--accent);padding:3px 18px;margin:32px 0}.case-note span{font:10px ui-monospace,monospace;color:var(--muted);letter-spacing:.12em;display:block}.case-note strong{font-size:14px}.case-note p{font-size:14px;margin:5px 0}.mission-bar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:22px;gap:20px}.mission-bar h1{font-size:32px;margin:6px 0}.timer{text-align:right;font-family:ui-monospace,monospace;font-size:26px}.timer small{display:block;font:11px system-ui;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}.steps{display:grid;grid-template-columns:repeat(5,1fr);margin:28px 0;gap:6px}.step{border-bottom:2px solid var(--line);padding:8px;color:var(--muted);font-size:12px}.step.active{border-color:var(--accent);color:var(--ink);font-weight:700}.step.done{border-color:var(--green)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px}.station .eyebrow{margin-top:0}.station h2{font-size:35px}.files{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px 0}.file{display:flex;align-items:center;justify-content:space-between;gap:6px;border:1px solid var(--line);background:#f6f8f3;color:var(--ink);text-align:left;font:12px/1.5 ui-monospace,monospace;padding:13px;overflow-wrap:anywhere}.file span{color:var(--green);font-size:16px}.answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.answer-grid label:has(textarea),.answer-grid label:has(input[name=hash]){grid-column:1/-1}.sidebar .panel{padding:20px;margin-bottom:20px}.sidebar h3{font:18px Georgia,serif}pre{background:#132b2e;color:#eff4ea;padding:16px;overflow-x:auto;font:12px/1.65 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere}code{font-family:ui-monospace,monospace;font-size:.88em}.hint{border-left:2px solid var(--accent);padding-left:15px;font-size:14px}.board{width:100%;border-collapse:collapse;font-size:12px}.board th,.board td{padding:9px 3px;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.board th{font-weight:500;color:var(--muted)}.banner{background:#e4ebe1;padding:14px 18px;margin:20px 0;border-left:3px solid var(--green)}#notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--dark);color:white;padding:14px 24px;border-radius:4px;max-width:min(90vw,720px);box-shadow:0 4px 18px #0003;display:none;z-index:10}#notice.show{display:block}footer{border-top:1px solid var(--line);padding:24px 5vw;display:flex;justify-content:space-between;font:11px ui-monospace,monospace;color:var(--muted);letter-spacing:.08em}.page-heading h1{font-size:46px}.narrow{max-width:460px}.controls{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.controls form{display:flex;gap:12px;align-items:end}.controls label{margin:0}.session-control{margin:24px 0}.session-control button{margin:8px 8px 0 0}.team-card{margin:20px 0}.team-card summary{font-size:17px}.team-card pre{background:#eff3eb;color:var(--ink);font-family:system-ui;font-size:15px}.grade-form{display:grid;grid-template-columns:120px 1fr auto;gap:15px;align-items:end}.grade-form label{margin:0}.grade-form input{width:100%}.team-meta{color:var(--muted);font-size:13px}.recovery-value{word-break:break-all;font:12px ui-monospace,monospace}@media(max-width:900px){.landing{gap:35px}.workspace{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}.header-right>span{display:none}}@media(max-width:650px){main{padding:28px 20px 40px}.landing{grid-template-columns:1fr;padding-top:0}.panel,.join-card{padding:22px}.brand{font-size:13px}.header-right a{font-size:11px}.seal{padding:9px 5px}.landing h1{font-size:48px}.answer-grid,.files,.sidebar{grid-template-columns:1fr}.steps{gap:2px}.step{padding:6px 3px;font-size:10px}.timer{font-size:22px}.mission-bar h1{font-size:23px}.grade-form{grid-template-columns:1fr}.controls form{flex-wrap:wrap}footer span{display:none}.station h2{font-size:30px}}