:root{
  --bg:#050d1d;--panel:#0b1d3b;--panel2:#102b55;--line:#1ed7ff;--gold:#ffc44d;
  --mint:#5ef0b5;--red:#ff5871;--text:#edf8ff;--muted:#9db5c8;--ink:#07152a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
radial-gradient(circle at 85% 0%,rgba(30,215,255,.14),transparent 32rem),
linear-gradient(180deg,#050d1d,#07162e 50%,#040b18);
color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;min-height:100vh}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:
linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
background-size:28px 28px}
button,input{font:inherit}
button{cursor:pointer}
.shell{max-width:1050px;margin:auto;padding:18px 18px 70px}
.topbar{display:flex;gap:14px;align-items:center;position:sticky;top:0;z-index:20;background:rgba(5,13,29,.92);
backdrop-filter:blur(14px);padding:12px 0;border-bottom:1px solid rgba(30,215,255,.2)}
.brand{display:flex;align-items:center;gap:10px;min-width:215px}.brand-badge{width:42px;height:42px;border:2px solid var(--line);
border-radius:50%;display:grid;place-items:center;color:var(--gold);font-weight:900;box-shadow:0 0 24px rgba(30,215,255,.22)}
.brand strong{letter-spacing:3px}.brand small{display:block;color:var(--muted);letter-spacing:1px}
.progress-wrap{flex:1}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:6px}
.progress{height:10px;background:#031126;border:1px solid rgba(30,215,255,.28);border-radius:99px;overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--line),var(--mint),var(--gold));width:8%;transition:.5s}
.navbtn{background:transparent;color:var(--text);border:1px solid rgba(30,215,255,.35);border-radius:12px;padding:9px 12px}
.hero{margin-top:24px;border:1px solid rgba(30,215,255,.35);background:linear-gradient(135deg,rgba(10,34,70,.95),rgba(9,19,42,.95));
border-radius:26px;overflow:hidden;box-shadow:0 26px 80px rgba(0,0,0,.25)}
.hero img,.mission-visual img{width:100%;display:block}.hero-copy{padding:22px 26px 28px}
.kicker{color:var(--line);letter-spacing:4px;text-transform:uppercase;font-weight:800;font-size:12px}
h1{font-size:clamp(35px,7vw,72px);line-height:.95;margin:8px 0 12px;letter-spacing:-2px}
.lead{color:#cde5f5;font-size:18px;max-width:760px;line-height:1.55}
.card{margin-top:20px;background:linear-gradient(145deg,rgba(14,41,81,.94),rgba(8,24,51,.96));border:1px solid rgba(30,215,255,.28);
border-radius:22px;padding:22px;box-shadow:0 20px 55px rgba(0,0,0,.18)}
.mission-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.mission-no{color:var(--gold);font-weight:900;letter-spacing:3px;font-size:12px}
h2{font-size:clamp(28px,4vw,44px);margin:6px 0 10px}.status{font-size:12px;padding:7px 10px;border-radius:999px;border:1px solid rgba(94,240,181,.4);color:var(--mint);white-space:nowrap}
.status.locked{color:#91a5b6;border-color:#4e6273}.mission-visual{margin:18px 0;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.story{font-size:17px;line-height:1.62;color:#dbeefa}.instruction{margin:18px 0;padding:14px 16px;border-left:4px solid var(--gold);
background:rgba(255,196,77,.08);color:#fff}.answer-row{display:flex;gap:10px;flex-wrap:wrap}.answer-row input{flex:1;min-width:190px;background:#06152e;border:1px solid #2b5a83;color:#fff;padding:14px 16px;border-radius:12px;outline:none}
.answer-row input:focus{border-color:var(--line);box-shadow:0 0 0 3px rgba(30,215,255,.12)}
.primary,.secondary,.danger,.good{border:0;border-radius:12px;padding:13px 17px;font-weight:800}.primary{background:linear-gradient(135deg,var(--line),#2f8df5);color:#031126}
.secondary{background:#16345d;color:#fff;border:1px solid #335d86}.danger{background:#9d1d34;color:#fff}.good{background:#176b58;color:#fff}
.message{min-height:28px;margin-top:12px;color:var(--muted)}.message.ok{color:var(--mint)}.message.bad{color:#ff93a4}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:15px 0}.choice{padding:14px;background:#0a1a35;color:#fff;border:1px solid #31587d;border-radius:12px}
.choice:hover{border-color:var(--line)}.locked-panel{text-align:center;padding:52px 18px;color:#7f95a7}.lockicon{font-size:48px;opacity:.6}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.hintbox{display:none;margin-top:14px;padding:14px;border:1px solid rgba(255,196,77,.35);border-radius:14px;background:rgba(255,196,77,.06)}
.hintbox.show{display:block}.hint-title{color:var(--gold);font-weight:900}.tiny{font-size:12px;color:var(--muted)}
.overlay{position:fixed;inset:0;background:rgba(0,5,15,.78);display:none;align-items:center;justify-content:center;padding:20px;z-index:50}.overlay.show{display:flex}
.modal{max-width:680px;width:100%;max-height:90vh;overflow:auto;background:#091a37;border:1px solid #2b608e;border-radius:22px;padding:22px;box-shadow:0 30px 100px #000}
.evidence-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.evidence-item{padding:14px;border:1px solid #244e77;border-radius:14px;background:#07162d}
.evidence-item strong{display:block;color:var(--gold);margin-bottom:4px}.timeline{display:flex;gap:12px;overflow:auto;padding:16px 0}.anchor{min-width:140px;padding:16px;background:#f0ddb6;color:#1a2431;border-radius:14px;text-align:center}
.anchor b{font-size:28px}.breach{border-color:#c9284d;background:linear-gradient(145deg,#320a14,#170711)}.breach .instruction{border-color:var(--red);background:rgba(255,88,113,.08)}
.matrix-wrap{overflow:auto}.matrix{display:grid;grid-template-columns:repeat(12,42px);grid-auto-rows:50px;gap:1px;background:#173455;border:1px solid #315b80;padding:10px;width:max-content;border-radius:12px}
.cell{display:grid;place-items:center;background:#e9d7a9;color:#203149;font-family:ui-monospace,monospace;font-size:20px;font-weight:800}.align-note{color:var(--gold);font-size:13px;margin-top:9px}
.final-code{font-size:42px;letter-spacing:8px;text-align:center;color:var(--gold);font-weight:900}.glitch{animation:glitch .4s linear 3}
@keyframes glitch{0%{transform:translate(0)}25%{transform:translate(-4px,2px)}50%{transform:translate(4px,-2px)}75%{transform:translate(-2px,-3px)}100%{transform:translate(0)}}
.footer{margin-top:35px;color:#728aa0;text-align:center;font-size:12px}
.admin-note{background:#291d07;border:1px solid #745c20;color:#ffe9a8;border-radius:12px;padding:12px;margin-top:15px}
@media(max-width:720px){.topbar{flex-wrap:wrap}.brand{min-width:auto}.progress-wrap{order:3;width:100%;flex-basis:100%}.shell{padding:10px 10px 60px}.card{padding:16px}.hero-copy{padding:18px}.mission-head{align-items:center}.matrix{grid-template-columns:repeat(12,36px);grid-auto-rows:46px}.navbtn{padding:8px 10px}}