:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b36;
  --text: #d7dce4;
  --muted: #8a93a3;
  --accent: #4f8cff;
  --ok: #3ecf8e;
  --warn: #ffb454;
  --err: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif;
}
nav {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
nav .brand { font-weight: 700; letter-spacing: .3px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--text); }
main { max-width: 880px; margin: 32px auto; padding: 0 20px; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 22px 0 10px; color: var(--muted); }
p.sub { color: var(--muted); margin-top: 0; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin: 14px 0;
}
label { display: block; margin: 12px 0 5px; font-size: 13px; color: var(--muted); }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #10131a;
  color: var(--text);
  font: 14px/1.4 monospace;
}
textarea { min-height: 72px; resize: vertical; }
.radio-row { display: flex; gap: 20px; margin-top: 12px; }
.radio-row label { display: flex; gap: 6px; align-items: center; margin: 0; }
.radio-row input { width: auto; }
button, .btn {
  margin-top: 16px;
  padding: 10px 18px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
td.mono { font-family: monospace; font-size: 12px; word-break: break-all; }
.big { font-size: 26px; font-weight: 700; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.err { color: var(--err); }
.muted { color: var(--muted); }
.notice {
  background: #1d2433;
  border: 1px solid #33415e;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  color: #b8c4dd;
}
footer {
  max-width: 880px;
  margin: 48px auto 30px;
  padding: 0 20px;
  color: var(--muted);
  font-size: 12.5px;
}
a { color: var(--accent); }
.card.funded {
  border-color: #2a6b4f;
  box-shadow: inset 0 0 0 1px rgba(62, 207, 142, 0.15);
}
.card.funded h2 { color: var(--text); }
#status.ok { color: var(--ok); }
#status.err { color: var(--err); }
#results table td:last-child {
  white-space: nowrap;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
#results table td:first-child {
  color: var(--muted);
  white-space: nowrap;
  width: 140px;
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}