/* raw transaction decoder widget, scoped under .txd and mapped onto the
   site's rack-room palette (dark only). Loaded per-page via front matter. */

.txd {
  --txd-surface: #0d1014;
  --txd-surface-2: #11151b;
  --txd-bad: #e5534b;
  --txd-bad-bg: #271210;
  --txd-hl: rgba(255, 138, 0, 0.22);
  font-family: var(--mono);
  margin: 1.7rem 0;
}
.txd .hidden { display: none !important; }

.txd .card {
  background: var(--txd-surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1rem 1.2rem;
}

.txd .controls { display: grid; gap: 1rem; }
.txd .control { display: grid; gap: 0.45rem; }
.txd .label {
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
}
.txd .label::before { content: '/ '; color: var(--orange); }

.txd .seg { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.txd .seg-btn {
  font: inherit;
  font-size: 0.8rem;
  background: var(--txd-surface-2);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}
.txd .seg-btn.active { border-color: var(--orange); color: var(--orange); }

.txd textarea {
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.5;
  background: var(--txd-surface-2);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.6rem 0.7rem;
  min-height: 7.5rem;
  width: 100%;
  resize: vertical;
  word-break: break-all;
}
.txd textarea:focus-visible, .txd button:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }

.txd button.primary {
  font: inherit;
  font-size: 0.82rem;
  border-radius: 3px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  background: var(--orange);
  color: #0a0c0f;
  border: 1px solid var(--orange);
  font-weight: 600;
}
.txd button.primary:hover { filter: brightness(1.1); }

.txd .row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.txd .example {
  font: inherit;
  font-size: 0.72rem;
  background: none;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
}
.txd .example:hover { border-color: var(--orange); color: var(--ink); }

.txd .caption { font-size: 0.78rem; line-height: 1.65; color: var(--muted); margin: 0.6rem 0 0; max-width: 70ch; }

.txd .error {
  margin-top: 1rem;
  border: 1px solid var(--txd-bad);
  background: var(--txd-bad-bg);
  color: var(--txd-bad);
  border-radius: 4px;
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
}

.txd .warning {
  margin-top: 1rem;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--yellow);
  background: var(--txd-surface);
  color: var(--ink);
  border-radius: 4px;
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
}

/* summary */
.txd .summary { margin-top: 1rem; display: grid; gap: 0.5rem; }
.txd .summary .kv { display: grid; grid-template-columns: 11rem 1fr; gap: 0.8rem; font-size: 0.8rem; align-items: baseline; }
.txd .summary .k { color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.7rem; }
.txd .summary .v { color: var(--bright); word-break: break-all; }
@media (max-width: 620px) { .txd .summary .kv { grid-template-columns: 1fr; gap: 0.1rem; } }

/* panes */
.txd .panes { margin-top: 1rem; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1rem; align-items: start; }
@media (max-width: 900px) { .txd .panes { grid-template-columns: 1fr; } }

.txd .hexdump {
  margin-top: 0.6rem;
  font-size: 0.74rem;
  line-height: 1.75;
  word-break: break-all;
  color: var(--muted);
  max-height: 34rem;
  overflow-y: auto;
}
.txd .hexdump span { border-radius: 2px; }
.txd .hexdump span.hl { background: var(--txd-hl); color: var(--bright); }

/* decoded tree */
.txd .tree { margin-top: 0.6rem; font-size: 0.78rem; max-height: 34rem; overflow-y: auto; }
.txd .tn { padding: 0.25rem 0.4rem 0.25rem 0; border-radius: 3px; }
.txd .tn > .tn { margin-left: 1.1rem; border-left: 1px solid var(--rule); padding-left: 0.7rem; }
.txd .tn-line { cursor: default; padding: 0.05rem 0.3rem; border-radius: 3px; }
.txd .tn-line.hoverable { cursor: pointer; }
.txd .tn-line.hl { background: var(--txd-hl); }
.txd .tn-name { color: var(--orange); }
.txd .tn-val { color: var(--bright); word-break: break-all; }
.txd .tn-note { color: var(--muted); display: block; font-size: 0.72rem; line-height: 1.55; max-width: 62ch; }