:root {
  color-scheme: light;
  --bg: #f4f6f2;
  --ink: #162018;
  --muted: #4e6050;
  --line: #cfd8cb;
  --card: #ffffff;
  --accent: #136a4a;
  --accent-ink: #f3fff8;
  --danger: #9f2f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1000px 400px at 100% 0%, #e4ecdf 0%, transparent 80%),
    radial-gradient(700px 300px at 0% 10%, #e9ede2 0%, transparent 70%),
    var(--bg);
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.95rem;
}

.hero {
  border-radius: 1rem;
  background: linear-gradient(120deg, #204835 0%, #2d6b4b 100%);
  color: #f2f8f4;
  padding: 1.2rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.hero h1 {
  margin: 0;
  font-size: 1.5rem;
}

.sub {
  margin: 0.6rem 0 0;
  line-height: 1.45;
  max-width: 72ch;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  min-width: 0;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.06rem;
}

.grid {
  display: grid;
  gap: 0.65rem;
}

.grid > * {
  min-width: 0;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  color: var(--muted);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 0.55rem 0.65rem;
  color: var(--ink);
  background: #fff;
}

input:disabled {
  background: #f7faf6;
  color: #778579;
}

.actions {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

button {
  border: 0;
  border-radius: 0.62rem;
  padding: 0.58rem 0.88rem;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}

button:hover {
  filter: brightness(1.05);
}

#force-cancel {
  background: #8b4a1f;
}

#copy-output {
  background: #2c5c86;
}

.terminal {
  margin: 0;
  padding: 0.85rem;
  max-width: 100%;
  min-width: 0;
  border-radius: 0.62rem;
  background: #15241a;
  color: #ccf3d7;
  min-height: 7rem;
  max-height: 24rem;
  overflow: auto;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.86rem;
  line-height: 1.36;
}

#log {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

#wallet-status.error {
  color: var(--danger);
}

.card-hint {
  margin: -0.2rem 0 0.65rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.result-fields {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.action-preview {
  margin-top: 0.8rem;
  padding: 0.6rem 0.85rem;
  background: #f4f8f4;
  border: 1px solid var(--line);
  border-radius: 0.62rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.28rem 1rem;
  align-items: baseline;
}

.preview-label {
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
}

.preview-value {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}

.sig-subsection {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.sig-subsection:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sub-heading {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.sig-field {
  display: block;
  width: 100%;
  min-height: 3.5rem;
  max-height: 6rem;
  resize: vertical;
  margin-top: 0.35rem;
  word-break: break-all;
  white-space: pre-wrap;
}

.btn-secondary {
  background: #566860;
}

.validation-result {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.65rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.55rem;
  background: #f4f8f4;
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.validation-icon {
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1;
}

.validation-icon.ok {
  color: var(--accent);
}

.validation-icon.fail {
  color: var(--danger);
}

@media (max-width: 860px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}