:root{font-family:system-ui,Segoe UI,sans-serif;color:#e8eef9;background:#0c1425}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1100px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:16px}small{color:#8eb4e8;letter-spacing:2px}h1{margin:5px 0;font-size:25px}h1 span{font-weight:400;color:#a8b9d3}.tag{border:1px solid #42617e;padding:10px;border-radius:30px;font-size:13px}.hero,.mailbox,.admin{background:#15233b;border:1px solid #2b405d;border-radius:18px;padding:25px;margin-bottom:20px}.hero{background:linear-gradient(120deg,#19335a,#14233b)}h2{margin-top:0}.join{display:flex;gap:10px;flex-wrap:wrap}input{background:#0e1a2d;border:1px solid #456184;border-radius:9px;padding:12px;color:white;min-width:210px}button{background:#3b82f6;border:0;border-radius:9px;color:white;padding:11px 15px;font-weight:700;cursor:pointer;margin:3px}button:hover{background:#2563eb}button:disabled{opacity:.5;cursor:default}.danger{background:#b91c1c}#status{margin-top:15px;color:#bdd1ed}.bar{display:flex;justify-content:space-between;gap:12px;align-items:center}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:15px}.mission{background:#15233b;border:1px solid #304966;border-radius:14px;padding:20px}.mission.done{border-color:#24a36d}.mission h3{margin-top:0}.mission p{line-height:1.5;color:#c7d5e8}.mission input{width:100%;min-width:0}.hint{background:#243b5a;border-radius:8px;padding:10px;margin-top:10px}.finale{padding:24px;text-align:center;background:#174c3a;border-radius:14px;margin-top:20px}.mailgrid{display:grid;grid-template-columns:1fr 1.4fr;gap:14px}.mail{display:block;text-align:left;width:100%;background:#243753;margin:0 0 8px}.mail strong{display:block}.mail small{letter-spacing:0;color:#bfd2eb}#mailBody{background:#0e1a2d;padding:18px;border-radius:10px;min-height:180px;white-space:pre-wrap;overflow-wrap:anywhere}.admin summary{cursor:pointer;font-weight:700}.admin input{margin-top:12px}footer{text-align:center;color:#90a5c0;font-size:13px}@media(max-width:650px){header{align-items:flex-start}.tag{display:none}.mailgrid{grid-template-columns:1fr}.bar{display:block}}