:root{--bg:#08090D;--panel:#11141A;--line:#1E2A38;--text:#E8F0F8;--muted:#A8C4D8;--dim:#5A6A7A;--blue:#68B7FF;--blue-d:#3D8DDB;--ok:#3ecf8e;--err:#ff8a8a}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:system-ui,'Segoe UI',sans-serif;min-height:100vh;display:flex;flex-direction:column}
header{background:var(--panel);border-bottom:2px solid var(--line);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}
.logo{color:var(--blue);font-weight:700;font-size:1.4rem;letter-spacing:1px;text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-left:1.4rem}nav a:hover{color:var(--blue)}
main{flex:1;width:100%;max-width:1000px;margin:2.5rem auto;padding:0 1.5rem}
footer{text-align:center;padding:1.5rem;color:var(--dim);font-size:.85rem;border-top:1px solid var(--line)}
h1{color:var(--blue);margin-bottom:.6rem}h2{color:var(--blue);font-size:1.1rem;margin-bottom:.8rem}
.muted{color:var(--muted);margin-bottom:1.2rem}
.hero{text-align:center;padding:4rem 0}.hero h1{font-size:clamp(2.2rem,6vw,3.8rem);text-shadow:0 0 20px rgba(104,183,255,.3)}
.hero p{font-size:1.2rem;color:var(--muted);margin:1rem 0 2rem}.row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.card{background:var(--panel);border:2px solid var(--line);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}
.card.narrow{max-width:440px;margin:2rem auto}.scroll{overflow-x:auto}
label{display:block;margin-bottom:.4rem;color:var(--muted);font-size:.9rem}
input{width:100%;padding:.75rem 1rem;margin-bottom:1.1rem;background:#0A0C10;border:2px solid var(--line);border-radius:4px;color:#fff;font-size:1rem}
input:focus{outline:none;border-color:var(--blue)}
.btn{display:inline-block;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;border-radius:4px;border:2px solid var(--blue);cursor:pointer;color:#fff;background:var(--blue-d)}
.btn:hover{background:var(--blue);color:var(--bg)}.btn-secondary{background:transparent;color:var(--blue)}
.btn-danger{background:#5A1A1A;border-color:#A33}.btn-danger:hover{background:#A33;color:#fff}
.btn.sm{padding:.35rem .8rem;font-size:.85rem}.btn.full{width:100%}
.alert{padding:.8rem 1rem;border-radius:4px;margin-bottom:1.2rem;font-size:.95rem}
.alert.error{background:#3A1515;color:var(--err)}.alert.success{background:#12301F;color:var(--ok)}.alert.info{background:#12233A;color:var(--blue)}
.keybox{display:flex;align-items:center;gap:.5rem;margin-bottom:1.1rem}.keybox span{color:var(--blue);font-family:monospace;font-size:1.1rem}
.keybox input{margin:0;font-family:monospace;font-size:1.1rem;letter-spacing:1px}
table{width:100%;border-collapse:collapse;margin-bottom:1rem}th,td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--line);font-size:.92rem}
th{color:var(--muted);font-weight:600}td form{margin:0}
.badge{display:inline-block;padding:.15rem .55rem;border-radius:3px;font-size:.78rem;font-weight:700;background:#1E2A38;color:var(--muted);margin-right:.3rem}
.badge.ok{background:#12301F;color:var(--ok)}.badge.err{background:#3A1515;color:var(--err)}
.tabs{display:flex;gap:.5rem;margin:1rem 0 1.5rem;border-bottom:2px solid var(--line)}
.tabs a{padding:.6rem 1.2rem;color:var(--muted);text-decoration:none;border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs a.on,.tabs a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.inline{display:flex;gap:1rem;align-items:flex-end;flex-wrap:wrap}.inline input{margin-bottom:0;width:130px}.inline .grow{flex:1;min-width:180px}.inline .grow input{width:100%}
.keys pre{background:#0A0C10;border:2px solid var(--blue);border-radius:4px;padding:1rem;font-size:1.1rem;color:var(--blue);user-select:all}