:root{--bg:#071014;--panel:#0c1920;--panel2:#10232b;--line:#1d3b42;--cyan:#31e6c4;--cyan2:#14a98e;--red:#ff4d5f;--amber:#ffc44d;--text:#eaf7f4;--muted:#8da6a8;--shadow:0 20px 50px rgba(0,0,0,.35)}*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 5%,#12343b 0,transparent 32%),linear-gradient(135deg,#071014,#08161b 60%,#050a0c);line-height:1.55}.scanlines{pointer-events:none;position:fixed;inset:0;z-index:50;opacity:.05;background:repeating-linear-gradient(0deg,transparent,transparent 3px,#fff 4px)}a{color:var(--cyan);text-decoration:none}.topbar{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,5vw,72px);background:rgba(7,16,20,.88);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.topbar nav{display:flex;gap:18px;align-items:center}.brand{font-weight:900;letter-spacing:.08em;color:var(--text)}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid var(--cyan);margin-right:10px;color:var(--cyan)}.team-chip,.score-chip{color:var(--muted);font-size:.9rem}.timer{border:1px solid var(--cyan);padding:6px 12px;font-family:ui-monospace,monospace;font-size:1.1rem;color:var(--cyan);box-shadow:0 0 20px rgba(49,230,196,.12)}.timer.critical{color:var(--red);border-color:var(--red);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.55}}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:60px 0 80px}.grid-two{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center}.hero{min-height:560px}.eyebrow,.terminal-label{color:var(--cyan);font:700 .78rem/1.2 ui-monospace,monospace;letter-spacing:.16em}.hero h1,.challenge-card h1,.final-card h1,.result-card h1,.leaderboard-card h1,.admin-card 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rgba(49,230,196,.12)}button,.button{display:inline-flex;justify-content:center;align-items:center;border:0;padding:14px 20px;font:800 .9rem/1 inherit;letter-spacing:.04em;cursor:pointer}.primary{background:var(--cyan);color:#04100d}.secondary{background:transparent;border:1px solid var(--cyan);color:var(--cyan)}.ghost{background:transparent;border:1px solid var(--line);color:var(--muted)}.danger{background:var(--red);color:white}.start-panel .primary,.answers .primary,.final-form .primary,.admin-login .primary{width:100%;margin-top:18px}.fineprint{font-size:.82rem;color:var(--muted)}.briefing{margin-top:15px}.briefing h2{margin-top:0}.rules{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.rules article{display:flex;gap:14px;color:var(--muted)}.rules strong{font:700 1.4rem monospace;color:var(--cyan)}.progress-row{display:grid;grid-template-columns:repeat(5,1fr);margin-bottom:28px}.progress-step{border-top:2px solid var(--line);padding-top:12px;color:var(--muted)}.progress-step span{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line);font-family:monospace;margin-bottom:5px}.progress-step.done,.progress-step.active{border-color:var(--cyan)}.progress-step.done span{background:var(--cyan);color:#04100d}.progress-step.active span{border-color:var(--cyan);color:var(--cyan)}.challenge-layout{display:grid;grid-template-columns:1fr 330px;gap:24px}.challenge-card h1{font-size:clamp(2.1rem,5vw,4rem)}.challenge-card h2{margin-top:32px}.evidence{border-left:3px solid var(--amber);background:#0a1519;padding:18px 20px}.evidence>span{font:700 .72rem monospace;color:var(--amber);letter-spacing:.15em}.evidence p{margin:8px 0 0}.answers{display:grid;gap:12px}.answer-option{display:flex;align-items:center;gap:14px;border:1px solid var(--line);padding:14px;background:#08151a;cursor:pointer;margin:0}.answer-option:hover{border-color:var(--cyan)}.answer-option input{width:auto}.answer-letter{font-family:monospace;color:var(--cyan)}aside{display:grid;gap:24px;align-content:start}.status-stat{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0}.status-stat span,.code-list>span{color:var(--muted)}.code-list{display:grid;gap:9px;margin-top:18px}.code-list code,.all-fragments code{color:var(--cyan);font-size:1.15rem}.code-list em{color:var(--muted)}.hint-panel p{color:var(--muted)}.alert{margin-bottom:22px;padding:15px 18px;border:1px solid}.alert.error{color:#ffadb5;border-color:var(--red);background:#2b1015}.alert.info{color:#c8fff4;border-color:var(--cyan);background:#08251f}.success-card,.final-card,.result-card{max-width:760px;text-align:center;margin:50px auto}.success-icon{width:80px;height:80px;border:2px solid var(--cyan);display:grid;place-items:center;border-radius:50%;color:var(--cyan);font-size:2.5rem;margin:0 auto}.fragment-box{margin:30px auto;padding:25px;border:1px solid var(--cyan);max-width:440px}.fragment-box span,.result-score span{display:block;font:700 .72rem monospace;letter-spacing:.15em;color:var(--muted)}.fragment-box code{display:block;font-size:2.2rem;color:var(--cyan);margin-top:8px}.points{color:var(--cyan);font-weight:900}.all-fragments{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:30px 0}.all-fragments code{border:1px solid var(--line);padding:12px}.final-form{max-width:430px;margin:auto}.result-score{margin:30px}.result-score strong{display:block;font-size:4.5rem;color:var(--cyan)}.lost:before{background:var(--red)}.action-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.leaderboard-card{max-width:920px;margin:auto}.table-wrap{overflow:auto;margin:30px 0}table{width:100%;border-collapse:collapse;text-align:left}th,td{padding:15px;border-bottom:1px solid var(--line)}th{color:var(--cyan);font:700 .76rem monospace;letter-spacing:.1em}.admin-card{max-width:850px;margin:auto}.admin-login{max-width:420px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:30px 0}.admin-stats div{border:1px solid var(--line);padding:20px}.admin-stats strong{display:block;font-size:2rem;color:var(--cyan)}.admin-stats span{color:var(--muted)}.danger-zone{border-top:1px solid var(--line);padding-top:25px}.danger-zone form{display:inline-block;margin:5px}footer{text-align:center;color:#587174;padding:0 20px 35px;font-size:.8rem}@media(max-width:850px){.grid-two,.challenge-layout{grid-template-columns:1fr}.hero{padding:40px 0}.rules{grid-template-columns:1fr 1fr}.topbar{position:relative;align-items:flex-start;padding-top:18px;padding-bottom:18px}.topbar nav{flex-wrap:wrap;justify-content:flex-end}.team-chip,.score-chip{display:none}.admin-stats{grid-template-columns:1fr 1fr}}@media(max-width:520px){.shell{width:min(100% - 20px,1180px);padding-top:25px}.brand{font-size:.8rem}.topbar nav>a{display:none}.rules{grid-template-columns:1fr}.progress-step small{display:none}.panel{padding:20px}.answer-option{padding:12px}.action-row>*{width:100%}.action-row form button{width:100%}}