:root {
  --bg: #07090f;
  --bg2: #0d111b;
  --card: rgba(20, 26, 40, 0.62);
  --line: rgba(120, 150, 200, 0.16);
  --text: #e8edf6;
  --muted: #8a96ad;
  --cyan: #2de2e6;
  --violet: #8b5cf6;
  --lime: #b8f36a;
  --red: #ff5d73;
  --amber: #ffc857;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(139, 92, 246, .18), transparent 60%),
              radial-gradient(900px 500px at -10% 30%, rgba(45, 226, 230, .10), transparent 60%), var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
#mesh { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .55; }
header, main, footer { position: relative; z-index: 1; }

/* 상단 */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 20px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(7, 9, 15, .72); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 18px; letter-spacing: -.02em; }
.brand b { color: var(--cyan); margin-left: 2px; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #07090f;
  background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.brand-mark svg { width: 22px; height: 22px; }
.menu { display: flex; gap: 22px; margin-left: auto; font-size: 14px; color: var(--muted); }
.menu a:hover { color: var(--text); }
.wallet-btn {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 9px 16px; border-radius: 999px; font: 600 13px "Noto Sans KR", sans-serif; color: var(--text);
  background: linear-gradient(var(--bg2), var(--bg2)) padding-box, linear-gradient(135deg, var(--cyan), var(--violet)) border-box;
  border: 1.5px solid transparent;
}
.wallet-btn .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.wallet-btn.on .dot { background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.burger { display: none; background: none; border: 0; color: var(--text); font-size: 22px; cursor: pointer; }

/* 히어로 */
main { max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }
.hero { padding: clamp(56px, 10vw, 120px) 0 40px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted);
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); margin: 0 0 22px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(184, 243, 106, .7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(184, 243, 106, 0); } 100% { box-shadow: 0 0 0 0 rgba(184, 243, 106, 0); } }
h1 { word-break: keep-all; font-size: clamp(34px, 6.4vw, 72px); line-height: 1.15; letter-spacing: -.035em; margin: 0 0 22px; font-weight: 900; }
.grad { background: linear-gradient(90deg, var(--cyan), var(--violet) 60%, #ff7ad9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { word-break: keep-all; max-width: 720px; color: #b9c3d6; font-size: clamp(15px, 1.8vw, 18px); margin: 0 0 30px; }
.lead b { color: var(--text); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer;
  padding: 13px 22px; border-radius: 12px; font: 700 15px "Noto Sans KR", sans-serif; border: 1px solid var(--line);
  color: var(--text); background: var(--card); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { color: #07090f; border: 0; background: linear-gradient(135deg, var(--cyan), #7cc4ff 50%, var(--violet)); box-shadow: 0 8px 30px rgba(45, 226, 230, .25); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 9px 14px; font-size: 13px; border-radius: 10px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 52px; }
.stat { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); backdrop-filter: blur(8px); }
.stat b { display: block; font: 600 clamp(22px, 3vw, 32px) "JetBrains Mono", monospace; }
.stat span { font-size: 13px; color: var(--muted); }

/* 블록 공통 */
.block { padding: 56px 0 8px; }
.block-head { margin-bottom: 22px; }
.block h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 6px; letter-spacing: -.02em; display: flex; align-items: center; gap: 12px; }
.block-head p { margin: 0; color: var(--muted); }
.tag { font: 600 12px "JetBrains Mono", monospace; color: var(--cyan); padding: 3px 8px; border: 1px solid rgba(45, 226, 230, .35); border-radius: 6px; }
.card { position: relative; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); backdrop-filter: blur(10px); min-width: 0; }
.card.glow { background: linear-gradient(160deg, rgba(45, 226, 230, .12), rgba(139, 92, 246, .10)), var(--card); }
.card h3 { margin: 0 0 14px; font-size: 17px; }
.label { display: block; font-size: 12px; color: var(--muted); letter-spacing: .02em; }
.big { display: block; font-size: clamp(22px, 2.6vw, 28px); margin: 6px 0 4px; font-weight: 700; overflow-wrap: anywhere; }
.big.small { font-size: 15px; }
.sub { font-size: 13px; color: var(--muted); }
.up { color: var(--lime); }
.down { color: var(--red); }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* 원장 체인 */
.chain { display: flex; gap: 10px; margin-top: 14px; overflow: hidden; mask-image: linear-gradient(90deg, #000 80%, transparent); }
.blk { flex: 0 0 auto; width: 150px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(13, 17, 27, .8);
  font: 12px "JetBrains Mono", monospace; color: var(--muted); animation: slide .5s ease; }
.blk b { display: block; color: var(--text); font-size: 14px; }
.blk:first-child { border-color: rgba(45, 226, 230, .6); box-shadow: 0 0 18px rgba(45, 226, 230, .18); }
@keyframes slide { from { opacity: 0; transform: translateX(-24px); } }

/* 검증 */
.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; cursor: pointer;
  min-height: 150px; padding: 20px; border: 1.5px dashed rgba(45, 226, 230, .4); border-radius: 14px; color: var(--muted); font-size: 14px; transition: background .2s; }
.drop.over, .drop:hover { background: rgba(45, 226, 230, .06); }
.drop-ic { font-size: 30px; color: var(--cyan); }
.hash-out { margin-top: 14px; }
.hash-out code { display: block; margin: 6px 0 10px; padding: 10px 12px; border-radius: 10px; background: #05070c; border: 1px solid var(--line);
  font-size: 13px; color: var(--lime); overflow-wrap: anywhere; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.hint { font-size: 13px; color: var(--muted); margin: 10px 0 0; }
.field { display: block; margin-bottom: 10px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input.mono, .dlg input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #05070c; color: var(--text); font-size: 13px; }
input:focus { outline: 2px solid rgba(45, 226, 230, .5); outline-offset: 1px; }
.verify { margin-top: 14px; font-size: 13px; }
.verify .kv { display: grid; grid-template-columns: 90px 1fr; gap: 4px 10px; }
.verify .kv span:nth-child(odd) { color: var(--muted); }
.verify .kv span:nth-child(even) { overflow-wrap: anywhere; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-weight: 700; font-size: 12px; margin-bottom: 10px; }
.badge.ok { background: rgba(184, 243, 106, .15); color: var(--lime); }
.badge.no { background: rgba(255, 93, 115, .15); color: var(--red); }
.badge.wait { background: rgba(255, 200, 87, .15); color: var(--amber); }

/* 허브 */
.hub { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile { display: grid; grid-template-columns: auto 1fr auto auto; align-items: baseline; gap: 4px 12px; padding: 18px 20px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); transition: border-color .2s, transform .2s; }
.tile:hover { border-color: rgba(45, 226, 230, .5); transform: translateY(-2px); }
.tile .ic { font-size: 22px; }
.tile b { font-size: 15px; }
.tile span[data-k] { font: 600 18px "JetBrains Mono", monospace; color: var(--cyan); }
.tile em { font-style: normal; font-size: 12px; color: var(--muted); }
.tile .t { grid-column: 3 / 5; font-size: 12px; color: var(--muted); }
.tile.ai { background: linear-gradient(135deg, rgba(139, 92, 246, .22), rgba(45, 226, 230, .10)); }

/* 피드 */
.feed3 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.col { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); min-width: 0; }
.col h3 { margin: 0 0 12px; font-size: 16px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 9px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list a { display: block; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list a:hover { color: var(--cyan); }
.list small { color: var(--muted); font: 11px "JetBrains Mono", monospace; }
.more { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--cyan); }

.links .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chips a { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: 13px; }
.chips a:hover { border-color: var(--cyan); }

.foot { max-width: 1200px; margin: 64px auto 0; padding: 28px clamp(16px, 4vw, 48px) 40px; border-top: 1px solid var(--line); font-size: 13px; }
.foot .muted { color: var(--muted); margin-top: 6px; }
.foot a { text-decoration: underline; text-underline-offset: 3px; }

/* 지갑 창 */
.dlg { border: 1px solid var(--line); border-radius: 18px; background: var(--bg2); color: var(--text); padding: 0; width: min(520px, calc(100vw - 32px)); }
.dlg::backdrop { background: rgba(0, 0, 0, .6); backdrop-filter: blur(4px); }
.dlg-in { padding: 24px; }
.dlg h3 { margin: 0 0 6px; }
.dlg small { color: var(--muted); font-weight: 400; }
.dlg input { margin: 12px 0; }
.acct { font-size: 13px; margin-bottom: 14px; }
.acct .kv { display: grid; grid-template-columns: 100px 1fr; gap: 4px 10px; }
.acct .kv span:nth-child(odd) { color: var(--muted); }

@media (max-width: 960px) {
  .grid4, .stats { grid-template-columns: 1fr 1fr; }
  .hub, .feed3 { grid-template-columns: 1fr 1fr; }
  .menu { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 16px;
    background: rgba(7, 9, 15, .96); border-bottom: 1px solid var(--line); }
  .menu.open { display: flex; }
  .menu a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .burger { display: block; }
  .wallet-btn { margin-left: auto; }
}
@media (max-width: 600px) {
  .big { font-size: 20px; }
  .big.small { font-size: 12px; }
  .grid2, .hub, .feed3 { grid-template-columns: 1fr; }
  .wallet-btn #walletLabel { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .brand > span:last-child { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  #mesh { display: none; }
}

.spark { display: block; width: 100%; height: 48px; margin-top: 10px; overflow: visible; }
.spark path.ln { fill: none; stroke: var(--cyan); stroke-width: 1.6; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.spark path.ar { fill: rgba(45, 226, 230, .12); stroke: none; }
.spark-cap { display: block; margin-top: 4px; font-size: 11px; }
.spark path.ln.hot { stroke: var(--amber); stroke-width: 2.2; }
.spark path.pt { fill: none; stroke: var(--amber); stroke-width: 6; stroke-linecap: round; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 4px var(--amber)); }
.spark line.avg { stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
#lgTx.hot { color: var(--amber); transition: color .3s; }

.tokens { margin-top: 14px; }
.tokens h3 small { margin-left: 8px; font-weight: 400; font-size: 12px; color: var(--muted); }
.tokens .sub a { color: var(--cyan); overflow-wrap: anywhere; }
.tok-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.tok { padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(13, 17, 27, .6); min-width: 0; }
.tok b.code { display: block; font: 700 18px "JetBrains Mono", monospace; color: var(--cyan); }
.tok .amt { display: block; margin: 6px 0 2px; font: 600 15px "JetBrains Mono", monospace; overflow-wrap: anywhere; }
.tok .sub { font-size: 12px; }
.lines { margin-top: 6px; }
@media (max-width: 900px) { .tok-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .tok-grid { grid-template-columns: 1fr; } }
.tok-ic { float: right; border-radius: 50%; }
.tok .mkt { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 12px; clear: both; }
.tok .mrow { display: grid; grid-template-columns: 66px 1fr; gap: 3px 8px; }
.tok .mrow span:nth-child(odd) { color: var(--muted); }
.tok .mrow small { color: var(--muted); }
.badge.soft { background: rgba(138, 150, 173, .15); color: var(--muted); }
.tok .mkt .badge { margin-bottom: 8px; }
.tok .acts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.tok .acts button { padding: 6px 10px; font-size: 12px; border-radius: 8px; border: 1px solid var(--line); background: rgba(13, 17, 27, .8); color: var(--text); cursor: pointer; font-family: inherit; }
.tok .acts button:hover { border-color: var(--cyan); }
.qrbox { display: flex; justify-content: center; margin: 12px 0; }
.qrbox img { border-radius: 12px; background: #fff; padding: 6px; }
#txDlg .field input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #05070c; color: var(--text); font-size: 14px; margin: 0; }
.offers { margin: 12px 0; display: grid; gap: 8px; }
.offer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(13, 17, 27, .6); font-size: 13px; }
.offer .mono { color: var(--muted); font-size: 11px; }
.offer button { flex: none; }
.menu a.on { color: var(--text); }
.menu a.on::after { content: ""; display: block; height: 2px; margin-top: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--cyan), var(--violet)); }

.lkgroup { margin-top: 22px; }
.lkgroup h3 { margin: 0 0 10px; font-size: 15px; color: var(--muted); font-weight: 700; letter-spacing: .02em; }
.lkgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.lk { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); text-decoration: none; transition: border-color .15s, transform .15s; min-width: 0; }
.lk:hover { border-color: var(--cyan); transform: translateY(-1px); }
.lk b { display: block; font-size: 15px; color: var(--text); }
.lk .mono { display: block; margin-top: 2px; font-size: 11px; color: var(--cyan); overflow-wrap: anywhere; }
.lk em { display: block; margin-top: 4px; font-style: normal; font-size: 12px; color: var(--muted); }
@media (max-width: 900px) { .lkgrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .lkgrid { grid-template-columns: 1fr; } }