:root {
  --bg: #f3efe6;
  --ink: #1c1915;
  --muted: #6f675e;
  --line: #d8d0c3;
  --accent: #1f4b4a;
  --paper: #fffdf8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse 70% 40% at 0% 0%, #e7efe8 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.brand h1 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 4.4rem);
  letter-spacing: -0.04em;
  color: var(--accent);
}

.tag {
  margin: 0.2rem 0 1.8rem;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
}

.panel {
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
  font-family: system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
}

textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.4rem 0 1rem;
}

.btn {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
  padding: 0.55rem 1rem;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #f7faf7;
}

.status,
.meta {
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.2rem 0;
}

.spark {
  display: block;
  width: 100%;
  height: 4rem;
  margin: 0.8rem 0;
  background: var(--paper);
  border: 1px solid var(--line);
}

.spark.hidden,
.out[hidden] {
  display: none;
}

.out {
  margin: 0.8rem 0 0;
  padding: 0.9rem 1rem;
  overflow: auto;
  max-height: 16rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-all;
}