/* On-Chain Proof */
.onchain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px){ .onchain { grid-template-columns: 1fr; } }

.onchain__col h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: var(--track-wider);
  color: var(--green);
  text-shadow: var(--text-glow-green);
  text-transform: uppercase;
  margin: 0 0 20px;
}
.onchain__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: rgba(10,10,15,0.6);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  margin-bottom: 10px;
}
.onchain__rlabel {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--track-wide);
  color: var(--fg-2);
  text-transform: uppercase;
  white-space: nowrap;
}

.onchain__addr {
  display: block;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  cursor: pointer;
  word-break: break-all;
  position: relative;
  transition: background 160ms, border-color 160ms;
}
.onchain__addr:hover { background: rgba(0,255,255,0.04); border-color: rgba(0,255,255,0.3); }
.onchain__addr[data-copied="true"]::after {
  content: "COPIED";
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  background: var(--green);
  color: #000;
  padding: 2px 8px;
  border-radius: var(--r-xs);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: var(--track-wider);
  box-shadow: var(--glow-green-sm);
}

.onchain__pill {
  display: inline-flex; align-items: center;
  padding: 4px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(0,255,255,0.05);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
}

.onchain__erc {
  margin-top: 48px;
  text-align: center;
}
.onchain__erc-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-shadow: var(--text-glow-cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.onchain__erc-row {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.onchain__erc-pill {
  background: rgba(10,10,15,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: var(--r-full);
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: var(--track-wide);
  text-shadow: var(--text-glow-cyan);
}