* { margin:0; padding:0; box-sizing:border-box; }
:root { --bg:#09090b; --bg2:#18181b; --accent:#8b5cf6; --accent-d:#7c3aed; --white:#fafafa; --dim:#71717a; --border:#27272a; --green:#22c55e; --red:#ef4444; }
body.dark-theme { font-family:'Inter',sans-serif; background:var(--bg); color:var(--white); min-height:100vh; }
.container { max-width:860px; margin:0 auto; padding:0 20px; }

.nav { background:var(--bg2); border-bottom:1px solid var(--border); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:54px; }
.brand { text-decoration:none; color:var(--white); font-size:1.05rem; font-weight:700; }
.brand i { color:var(--accent); margin-right:6px; }
.brand b { color:var(--accent); }
.nav-r { display:flex; gap:16px; }
.nav-link { text-decoration:none; color:var(--dim); font-size:0.85rem; font-weight:500; }
.nav-link:hover { color:var(--accent); }

.content { padding:48px 0 60px; }
.center-hero { text-align:center; margin-bottom:32px; }
.badge-row { display:flex; gap:8px; justify-content:center; margin-bottom:14px; }
.badge { font-size:0.65rem; letter-spacing:0.12em; color:var(--accent); background:rgba(139,92,246,0.1); padding:5px 12px; border-radius:100px; font-weight:700; border:1px solid rgba(139,92,246,0.2); }
.badge.lvl { color:var(--red); background:rgba(239,68,68,0.1); border-color:rgba(239,68,68,0.2); }
.center-hero h1 { font-size:2.4rem; font-weight:800; }
.hl { color:var(--accent); }
.center-hero p { color:var(--dim); font-size:0.9rem; margin-top:6px; }
.creds { margin-top:12px !important; }
.creds code { background:rgba(139,92,246,0.1); color:var(--accent); padding:2px 8px; border-radius:4px; }

.vuln-chain { background:var(--bg2); border:1px solid var(--border); border-radius:14px; padding:24px; margin-bottom:20px; }
.vuln-chain h3 { font-size:0.95rem; margin-bottom:16px; }
.chain-steps { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.step { display:flex; gap:12px; align-items:flex-start; background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:14px; flex:1; min-width:150px; }
.step-num { width:28px; height:28px; background:var(--accent); color:var(--bg); border-radius:8px; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:0.8rem; flex-shrink:0; }
.step b { display:block; font-size:0.85rem; margin-bottom:2px; }
.step p { font-size:0.75rem; color:var(--dim); line-height:1.4; }
.step code { font-size:0.7rem; }
.step-arrow { color:var(--accent); font-size:0.8rem; }

.api-ref { background:var(--bg2); border:1px solid var(--border); border-radius:14px; padding:24px; margin-bottom:20px; }
.api-ref h3 { font-size:0.95rem; margin-bottom:14px; }
.api-list { display:flex; flex-direction:column; gap:6px; }
.api-row { display:flex; align-items:center; gap:14px; padding:8px 12px; background:var(--bg); border-radius:8px; }
.api-row code { font-size:0.8rem; color:var(--accent); font-weight:600; white-space:nowrap; }
.api-row span { font-size:0.8rem; color:var(--dim); }

.card { background:var(--bg2); border:1px solid var(--border); border-radius:14px; padding:24px; margin-bottom:16px; }
.card h3 { font-size:0.95rem; margin-bottom:12px; }
.card h3 i { color:var(--accent); margin-right:6px; }
.auth-box { max-width:400px; margin:60px auto; background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:32px; }
.auth-box h2 { font-size:1.3rem; margin-bottom:20px; text-align:center; }
.field { margin-bottom:14px; }
.field label { display:block; font-size:0.8rem; color:var(--dim); margin-bottom:6px; font-weight:600; }
.field input { width:100%; padding:10px 14px; background:var(--bg); border:1px solid var(--border); border-radius:8px; color:var(--white); font-size:0.9rem; outline:none; font-family:inherit; }
.field input:focus { border-color:var(--accent); }

.btn { padding:10px 20px; background:var(--accent); color:white; border:none; border-radius:8px; font-weight:600; font-size:0.85rem; cursor:pointer; font-family:inherit; }
.btn:hover { background:var(--accent-d); }
.btn.full { width:100%; }
.flag-row { display:flex; gap:10px; }
.flag-row input { flex:1; padding:10px 14px; background:var(--bg); border:1px solid var(--border); border-radius:8px; color:var(--white); font-size:0.9rem; outline:none; font-family:inherit; }

.ok { margin-top:12px; padding:12px; background:rgba(34,197,94,0.08); border:1px solid rgba(34,197,94,0.2); border-radius:8px; color:var(--green); font-size:0.85rem; }
.ok a { color:var(--accent); }
.ok pre { white-space:pre-wrap; word-break:break-all; font-size:0.78rem; }
.fail { margin-top:12px; padding:12px; background:rgba(239,68,68,0.08); border:1px solid rgba(239,68,68,0.2); border-radius:8px; color:var(--red); font-size:0.85rem; }
.fail pre { white-space:pre-wrap; font-size:0.78rem; }
.loading { color:var(--dim); }

@media(max-width:768px) { .chain-steps{flex-direction:column;} .step-arrow{transform:rotate(90deg);} .flag-row{flex-direction:column;} }