:root{--bg:#05070d;--panel:#0d1220;--panel2:#111828;--panel3:#161f33;--steel:#2a3550;--steel-line:rgba(130,160,210,.16);--txt:#e4ebf7;--txt-dim:#9aa7c2;--txt-mute:#6b7896;--blue:#2f7bff;--blue-2:#1e4dff;--cyan:#4ad6ff;--radius:12px;--fh:'Chakra Petch',system-ui,sans-serif;--fb:'Inter',system-ui,sans-serif;--sh:0 10px 40px rgba(0,0,0,.55);--shb:0 0 0 1px rgba(47,123,255,.25),0 8px 30px rgba(47,123,255,.18)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:var(--fb);font-size:15px;line-height:1.6;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(1200px 600px at 15% -10%,rgba(47,123,255,.14),transparent 60%),radial-gradient(1000px 500px at 100% 0,rgba(74,214,255,.08),transparent 55%),linear-gradient(180deg,#05070d,#04060b)}
a{color:var(--cyan);text-decoration:none}a:hover{color:#8fe6ff}
h1,h2,h3{font-family:var(--fh);font-weight:700;letter-spacing:.6px;margin:0 0 .4em;text-transform:uppercase}h1{font-size:2rem}h2{font-size:1.35rem}h3{font-size:1.05rem}
.muted{color:var(--txt-dim);font-size:.92rem}.err{color:#ff5a6a}
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:22px;padding:12px 26px;background:rgba(7,10,18,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--steel-line)}
.nav .brand img{height:34px;filter:drop-shadow(0 0 10px rgba(47,123,255,.35))}
.nav a:not(.brand){color:var(--txt-dim);font-family:var(--fh);font-weight:600;font-size:.86rem;text-transform:uppercase;letter-spacing:.8px;transition:color .18s}.nav a:not(.brand):hover{color:#fff}
.nav .spacer{flex:1}.nav .who{color:var(--txt-mute);font-size:.82rem}
.wrap{max-width:1160px;margin:0 auto;padding:38px 26px 80px}
.wrap>h1{position:relative;padding-bottom:14px}.wrap>h1::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 12px rgba(47,123,255,.55)}
.card{position:relative;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--steel-line);border-radius:var(--radius);padding:18px 20px;margin:14px 0;box-shadow:var(--sh);transition:.2s}.card:hover{transform:translateY(-2px);border-color:rgba(47,123,255,.45);box-shadow:var(--shb)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.cards .card{margin:0}
.badge{display:inline-flex;font-family:var(--fh);font-size:.7rem;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:#bcd2ff;background:rgba(47,123,255,.12);border:1px solid rgba(47,123,255,.3);padding:3px 9px;border-radius:999px;margin-left:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-family:var(--fh);font-weight:600;letter-spacing:.6px;text-transform:uppercase;font-size:.82rem;color:#fff;background:linear-gradient(180deg,var(--blue),var(--blue-2));border:1px solid rgba(120,170,255,.55);padding:10px 20px;border-radius:8px;transition:.15s;box-shadow:0 6px 18px rgba(30,77,255,.35)}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.small{padding:6px 13px;font-size:.72rem}
.btn.ghost{background:transparent;color:#cfe0ff;border-color:var(--steel);box-shadow:none}
button.link{background:none;border:none;color:var(--txt-dim);cursor:pointer;font-size:.85rem;text-decoration:underline;text-underline-offset:3px}button.link:hover{color:var(--cyan)}
input,select,textarea{width:100%;background:#070b14;color:var(--txt);border:1px solid var(--steel);border-radius:8px;padding:10px 12px;font-family:var(--fb);font-size:.92rem}
input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,123,255,.22)}
label{display:block;font-size:.82rem;color:var(--txt-dim);margin-bottom:14px}label input,label select{margin-top:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px 18px;align-items:end}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0}.row select{width:auto;min-width:190px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.plan{position:relative;background:linear-gradient(180deg,var(--panel3),var(--panel));border:1px solid var(--steel-line);border-radius:var(--radius);padding:24px 22px;text-align:center;overflow:hidden;transition:.2s}.plan:hover{transform:translateY(-4px);border-color:rgba(47,123,255,.5);box-shadow:var(--shb)}
.plan::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.plan .price{font-family:var(--fh);font-size:2.2rem;font-weight:700;color:#fff;text-shadow:0 0 18px rgba(47,123,255,.5)}.plan .price span{font-size:.9rem;color:var(--txt-dim)}
.plan ul{list-style:none;padding:0;margin:16px 0 20px;text-align:left}.plan ul li{padding:7px 0 7px 24px;position:relative;color:var(--txt-dim);font-size:.9rem}.plan ul li::before{content:"▸";position:absolute;left:4px;color:var(--cyan)}.plan .btn{width:100%}
.foot{border-top:1px solid var(--steel-line);color:var(--txt-mute);font-size:.82rem;text-align:center;padding:26px}

/* ================= responsive ================= */
@media (max-width: 900px){
  .wrap{padding:22px 16px 60px}
  .grid{grid-template-columns:1fr}
  .row{flex-wrap:wrap}
  .pb-grid{grid-template-columns:1fr !important;grid-auto-rows:minmax(200px,auto);overflow:auto}
  .divider{display:none}
  .pane.tree{max-height:220px}
}
@media (max-width: 640px){
  .wrap{padding:18px 12px 56px}
  h1{font-size:1.5rem}
  h2{font-size:1.15rem}
  .plans,.cards{grid-template-columns:1fr;gap:14px}
  .card,.plan{padding:16px}
  input,select,textarea{font-size:16px;max-width:100%;box-sizing:border-box}
  .btn{display:block;width:100%;text-align:center}
  table{display:block;overflow-x:auto;white-space:nowrap}
  code,a{word-break:break-word;overflow-wrap:anywhere}
  .onchain-card{flex-direction:column;align-items:stretch;gap:16px;padding:16px}
  .nav{flex-wrap:wrap;row-gap:6px;column-gap:16px;padding:10px 12px}
  .nav .brand img{height:26px}
  .nav .spacer{display:none}
  .nav .who{display:none}
}

/* mobile: Settings and Logout share row two */
@media (max-width: 640px){
  .nav .spacer{display:none}
  .nav .who{display:none}
}