@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:#00B894;--primary-light:#55EFC4;--primary-glow:rgba(0,184,148,.18);
  --accent:#FDCB6E;--red:#D63031;--blue:#74B9FF;
  --bg:#0A1A14;--bg2:#142A22;--bg-card:rgba(20,42,34,.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(0,184,148,.04) 0%,transparent 50%);pointer-events:none}
.app{position:relative;z-index:1;max-width:780px;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),#00997A);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}
.input-row{display:flex;gap:8px}
.input{flex:1;padding:10px 12px;font-family:var(--mono);font-size:.85rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none}
.input:focus{border-color:var(--primary)}
.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:#0A1A14}.btn-primary:hover{background:#00997A}
/* Summary */
.sum-item{display:flex;gap:10px;padding:8px 10px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:4px;align-items:center}
.sum-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.8rem;flex-shrink:0}
.icon-ok{background:rgba(0,184,148,.15);color:var(--primary)}
.icon-warn{background:rgba(253,203,110,.15);color:var(--accent)}
.icon-err{background:rgba(214,48,49,.15);color:var(--red)}
.icon-info{background:rgba(116,185,255,.15);color:var(--blue)}
.sum-text{flex:1}
.sum-label{font-size:.72rem;font-weight:600;color:var(--text3)}
.sum-value{font-size:.85rem;font-weight:700}
/* Chain */
.chain-hop{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:4px;position:relative}
.chain-hop::before{content:'';position:absolute;left:23px;top:100%;width:2px;height:4px;background:var(--border)}
.chain-hop:last-child::before{display:none}
.chain-num{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(0,184,148,.12);color:var(--primary);font-size:.72rem;font-weight:700;flex-shrink:0}
.chain-body{flex:1}
.chain-type{font-size:.68rem;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px}
.chain-val{font-family:var(--mono);font-size:.82rem;color:var(--primary-light);margin-top:2px}
.chain-ttl{font-size:.68rem;color:var(--text3);margin-left:auto}
/* Provider */
.prov-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;background:var(--bg);border-radius:var(--radius-sm);font-weight:700;font-size:.9rem}
.prov-sub{font-size:.78rem;color:var(--text2);margin-top:4px}
.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:.85rem;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}.input-row{flex-direction:column}}
::-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)}