@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#00CEC9;--primary-light:#81ECEC;--primary-glow:rgba(0,206,201,.18);
  --accent:#E17055;--green:#00B894;--red:#D63031;--yellow:#FDCB6E;
  --bg:#0A1A1A;--bg2:#142A2A;--bg-card:rgba(20,42,42,.85);
  --text:#F1F5F9;--text2:#94A3B8;--text3:#64748B;
  --border:rgba(148,163,184,.1);--radius:12px;--radius-sm:8px;
  --font:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;
  --tr:.25s ease;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(0,206,201,.04) 0%,transparent 50%);pointer-events:none}
.app{position:relative;z-index:1;max-width:850px;margin:0 auto;padding:24px 20px 60px}
.hdr{text-align:center;padding:40px 0 24px}
.hdr__icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),#00B5AD);font-size:32px;margin-bottom:16px;box-shadow:0 8px 30px var(--primary-glow);animation:fl 3s ease-in-out infinite}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.hdr h1{font-size:1.9rem;font-weight:800;background:linear-gradient(135deg,var(--text),var(--primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hdr p{color:var(--text2);font-size:.95rem;margin:8px auto 0}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;backdrop-filter:blur(16px);margin-bottom:12px}
.card-title{font-size:.9rem;font-weight:700;margin-bottom:10px}
.code-area{width:100%;padding:12px;font-family:var(--mono);font-size:.78rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--primary-light);outline:none;resize:vertical;line-height:1.6}
.code-area:focus{border-color:var(--primary)}
.btn-row{display:flex;gap:6px;margin-top:8px}
.btn{padding:9px 16px;font-family:var(--font);font-size:.82rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--tr)}
.btn-primary{background:var(--primary);color:#0A1A1A}.btn-primary:hover{background:#00B5AD}
.btn-outline{background:transparent;color:var(--text2);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
/* Auth */
.auth-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.auth-card{padding:12px;background:var(--bg);border-radius:var(--radius-sm);text-align:center}
.auth-label{font-size:.68rem;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.auth-status{font-size:.9rem;font-weight:800}
.auth-status.pass{color:var(--green)}.auth-status.fail{color:var(--red)}.auth-status.none{color:var(--text3)}.auth-status.neutral{color:var(--yellow)}
.auth-detail{font-size:.68rem;color:var(--text3);margin-top:4px;font-family:var(--mono)}
/* Hops */
.hop{padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:4px;position:relative;display:flex;gap:10px;align-items:flex-start}
.hop::after{content:'';position:absolute;left:23px;top:100%;width:2px;height:4px;background:var(--border)}
.hop:last-child::after{display:none}
.hop-num{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(0,206,201,.12);color:var(--primary);font-size:.72rem;font-weight:700;flex-shrink:0}
.hop-body{flex:1;min-width:0}
.hop-from{font-family:var(--mono);font-size:.78rem;color:var(--primary-light);word-break:break-all}
.hop-by{font-family:var(--mono);font-size:.72rem;color:var(--text3);margin-top:2px}
.hop-time{font-size:.68rem;color:var(--text3)}
.hop-delay{font-size:.68rem;font-weight:700;margin-left:auto;flex-shrink:0;padding:2px 8px;border-radius:4px}
.delay-fast{background:rgba(0,184,148,.12);color:var(--green)}
.delay-med{background:rgba(253,203,110,.12);color:var(--yellow)}
.delay-slow{background:rgba(214,48,49,.12);color:var(--red)}
/* All headers */
.hdr-item{display:flex;gap:8px;padding:4px 0;font-size:.76rem;border-bottom:1px solid var(--border)}
.hdr-key{font-weight:700;color:var(--text3);width:180px;flex-shrink:0;font-family:var(--mono)}
.hdr-val{color:var(--primary-light);font-family:var(--mono);word-break:break-all}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);padding:10px 20px;background:var(--bg2);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--text);font-size:.82rem;font-weight:500;z-index:1000;opacity:0;transition:all .3s ease;pointer-events:none}
.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:640px){.app{padding:16px 12px 48px}.hdr h1{font-size:1.4rem}.auth-row{grid-template-columns:1fr}.hdr-key{width:120px}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg2);border-radius:3px}
::selection{background:var(--primary);color:var(--bg)}