* { margin:0; padding:0; box-sizing:border-box; }
:root { --bg:#0d1117; --bg2:#161b22; --emerald:#10b981; --emerald-d:#059669; --dark:#010409; --white:#e6edf3; --dim:#7d8590; --border:#21262d; --green:#3fb950; --red:#f85149; }
body { font-family:'Rubik',sans-serif; background:var(--bg); color:var(--white); min-height:100vh; }
.container { max-width:860px; margin:0 auto; padding:0 20px; }

.nav { background:var(--dark); border-bottom:1px solid var(--border); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:54px; }
.brand { font-size:1.05rem; font-weight:700; color:var(--white); }
.brand i { color:var(--emerald); margin-right:6px; }
.brand b { color:var(--emerald); }
.pill { font-size:0.65rem; letter-spacing:0.12em; color:var(--emerald); background:rgba(16,185,129,0.1); padding:4px 12px; border-radius:100px; font-weight:700; border:1px solid rgba(16,185,129,0.2); }

.page { padding:48px 0 60px; }
.hero { text-align:center; margin-bottom:28px; }
.label { font-family:'Inconsolata',monospace; font-size:0.7rem; letter-spacing:0.15em; color:var(--emerald); margin-bottom:12px; display:block; }
.hero h1 { font-size:2.4rem; font-weight:800; margin-bottom:10px; }
.hl { color:var(--emerald); }
.hero p { color:var(--dim); max-width:520px; margin:0 auto; font-size:0.95rem; line-height:1.6; }

.intel-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-bottom:24px; }
.intel-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px; text-align:center; }
.intel-card i { font-size:1.4rem; color:var(--emerald); margin-bottom:10px; }
.intel-card h3 { font-size:0.8rem; color:var(--dim); margin-bottom:6px; text-transform:uppercase; letter-spacing:0.08em; }
.big { font-size:1.2rem; font-weight:700; color:var(--white); }

.btn { padding:12px 24px; border:none; border-radius:10px; font-weight:600; font-size:0.85rem; cursor:pointer; font-family:inherit; }
.btn.primary { background:var(--emerald); color:var(--dark); }
.btn.primary:hover { background:var(--emerald-d); }
.btn.full { width:100%; }

.messages-area { margin-bottom:24px; }
.msg-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:16px; margin-bottom:12px; }
.msg-card h4 { font-size:0.85rem; color:var(--emerald); margin-bottom:8px; font-family:'Inconsolata',monospace; }
.hex-block { background:var(--dark); padding:14px; border-radius:8px; font-family:'Inconsolata',monospace; font-size:0.75rem; color:var(--dim); overflow-x:auto; word-break:break-all; white-space:pre-wrap; }

.dl-section { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px; margin-bottom:20px; }
.dl-section h3 { font-size:0.95rem; margin-bottom:14px; }
.dl-grid { display:flex; flex-wrap:wrap; gap:8px; }
.dl-link { display:inline-flex; align-items:center; gap:6px; padding:8px 16px; background:var(--dark); border:1px solid var(--border); border-radius:8px; color:var(--dim); text-decoration:none; font-size:0.8rem; font-weight:500; transition:all 0.2s; }
.dl-link:hover { border-color:var(--emerald); color:var(--emerald); }
.dl-link i { color:var(--emerald); }

.flag-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px; }
.flag-card h3 { font-size:0.95rem; margin-bottom:14px; }
.flag-card h3 i { color:var(--emerald); margin-right:6px; }
.flag-row { display:flex; gap:10px; }
.flag-row input { flex:1; padding:12px 14px; background:var(--dark); border:1px solid var(--border); border-radius:10px; color:var(--white); font-family:'Inconsolata',monospace; font-size:0.9rem; outline:none; }
.flag-row input:focus { border-color:var(--emerald); }
.ok { margin-top:12px; padding:12px; background:rgba(63,185,80,0.08); border:1px solid rgba(63,185,80,0.2); border-radius:8px; color:var(--green); font-weight:600; }
.fail { margin-top:12px; padding:12px; background:rgba(248,81,73,0.08); border:1px solid rgba(248,81,73,0.2); border-radius:8px; color:var(--red); }

@media(max-width:600px) { .intel-grid{grid-template-columns:1fr;} .flag-row{flex-direction:column;} .dl-grid{flex-direction:column;} }