.ctf-wrap{align-items:flex-start}.ctf-shell{max-width:1180px}.ctf-hero{padding-bottom:24px}.ctf-hero h1{margin:0;color:#111;font-family:var(--sans);font-size:clamp(34px,7vw,60px);line-height:1.02}.ctf-hero p{max-width:840px;color:#202020;line-height:1.55}.ctf-status{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}.ctf-status span{display:inline-flex;align-items:center;min-height:35px;padding:7px 12px;border:1px solid #7b7b7b;border-radius:14px;color:#111;background:linear-gradient(#fff,#d8d8d8);box-shadow:inset 1px 1px #fffffff2,inset -1px -1px #00000029;font-weight:700}.ctf-layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:16px;border-top:1px solid #8f8f8f;box-shadow:inset 0 1px #fff;padding-top:22px}.ctf-sidebar,.ctf-level{border:1px solid #8a8a8a;border-radius:5px;background:linear-gradient(#f8f8f8,#d8d8d8);box-shadow:inset 1px 1px #fff,inset -1px -1px #0000002e,0 1px 2px #00000029}.ctf-sidebar{position:sticky;top:42px;align-self:start;display:grid;gap:12px;padding:18px}.ctf-sidebar h2{margin:12px 0 0;padding:5px 10px;border-radius:12px;background:linear-gradient(#5f9aff,#1d5bc7);color:#fff;font-size:15px;box-shadow:inset 1px 1px #ffffff6b}.ctf-sidebar h2:first-child{margin-top:0}.ctf-sidebar a{color:var(--accent);font-size:12px;font-weight:700;text-decoration:underline;overflow-wrap:anywhere}.ctf-sidebar label{color:#202020;font-size:12px}.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ghost{background:linear-gradient(#fff,#d8d8d8)}.ctf-levels{display:grid;gap:14px}.ctf-level{padding:18px}.ctf-level.locked{opacity:.58}.level-top{display:flex;gap:14px;align-items:flex-start;justify-content:space-between}.level-number{color:var(--accent);font-size:12px;font-weight:700;text-transform:uppercase}.ctf-level h2{margin:6px 0 10px;color:#111;font-family:var(--sans);font-size:24px}.ctf-level p,.ctf-level li{color:#202020;line-height:1.55;font-size:14px}.level-badge{flex:0 0 auto;border:1px solid #7b7b7b;border-radius:12px;padding:6px 10px;color:#111;background:linear-gradient(#fff,#d8d8d8);font-size:12px;font-weight:700}.level-badge.solved{color:#fff;border-color:#145a29;background:linear-gradient(#39a65b,#197a38)}.flag-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:16px}.flag-form input{min-width:0}.flag-form input:disabled,.flag-form button:disabled{cursor:not-allowed;opacity:.5}.feedback{min-height:22px;margin-top:10px;color:var(--muted)}.feedback.ok{color:var(--signal);font-weight:700}.feedback.bad{color:var(--danger);font-weight:700}.hint{margin-top:12px;padding:10px 12px;border:1px solid #c2aa57;border-radius:5px;background:linear-gradient(#fffce2,#f1e7a7);color:#202020;font-size:13px;line-height:1.45;box-shadow:inset 1px 1px #ffffffd9}@media(max-width:900px){.ctf-layout{grid-template-columns:1fr}.ctf-sidebar{position:static}}@media(max-width:600px){.flag-form,.tool-row{grid-template-columns:1fr}}