:root{
  --bg: #0c0e12;
  --panel-line: #22262e;
  --text-primary: #f2f3f5;
  --text-muted: #8b93a1;
  --accent: #e8935a;
  --mono-bg: #14171d;
  --mono-border: #262b34;
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  padding: 64px 20px 80px;
}

main{
  width: 100%;
  max-width: 560px;
}

h1{
  font-size: 2.1rem;
  line-height: 1.25;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

h1 span{
  color: var(--text-muted);
  font-weight: 600;
}

.subnote{
  color: var(--text-muted);
  font-size: 0.98rem;
  margin: 0 0 28px;
}

.contact-line{
  font-size: 1.05rem;
  margin: 10px 0;
}

.contact-line a{
  color: var(--text-primary);
  text-decoration: none;
}

.contact-line a:hover,
.contact-line a:focus-visible{
  text-decoration: underline;
}

.x-link a{
  color: var(--accent);
}

hr{
  border: none;
  border-top: 1px solid var(--panel-line);
  margin: 32px 0;
}

h2{
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.section-note{
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 28px;
}

.wallet{
  padding: 22px 0;
  border-top: 1px solid var(--panel-line);
}

.wallet:first-of-type{
  border-top: none;
  padding-top: 4px;
}

.wallet h3{
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
}

.address-row{
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--mono-bg);
  border: 1px solid var(--mono-border);
  border-radius: 8px;
  padding: 10px 12px;
}

.address-row code{
  flex: 1;
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  word-break: break-all;
}

.copy-btn{
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--mono-border);
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

.copy-btn:hover,
.copy-btn:focus-visible{
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.copy-btn.copied{
  color: var(--accent);
  border-color: var(--accent);
}

.copy-btn.failed{
  color: #e05a5a;
  border-color: #e05a5a;
}

.status{
  min-height: 1.2em;
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer{
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.6;
}

footer strong{
  color: var(--text-primary);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}