:root {
  --bg: #f4f2ea;
  --ink: #1f2d2a;
  --muted: #4d5b58;
  --card: #ffffffcc;
  --line: #ccd4cf;
  --accent: #0f766e;
  --accent-2: #b45309;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, #0f766e33, transparent 32%),
    radial-gradient(circle at 90% 100%, #b4530930, transparent 35%),
    var(--bg);
}

.shell {
  width: min(920px, calc(100% - 1.25rem));
  margin: 1.2rem auto;
  display: grid;
  gap: 0.85rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

.tag {
  margin: 0;
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #0f766e1c;
  color: var(--accent);
  font-size: 0.82rem;
}

h1 {
  margin: 0.45rem 0 0.35rem;
  font-size: clamp(1.55rem, 2.6vw, 2.2rem);
}

p {
  margin: 0;
  color: var(--muted);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem;
  background: #ffffffb8;
  color: var(--ink);
  resize: vertical;
  min-height: 130px;
  font-size: 1rem;
}

.controls {
  margin-top: 0.9rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.slider-wrap label {
  margin: 0;
}

#token_value {
  min-width: 2.2rem;
  text-align: right;
  color: var(--muted);
}

button {
  border: 0;
  border-radius: 12px;
  padding: 0.68rem 1rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  cursor: pointer;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.output-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.output-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.status {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.22rem 0.55rem;
  font-size: 0.8rem;
}

.status.idle {
  color: var(--muted);
}

.status.loading {
  color: #9a3412;
  background: #f9731618;
}

.status.done {
  color: #166534;
  background: #16a34a1a;
}

.status.error {
  color: #991b1b;
  background: #dc26261a;
}

pre {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem;
  background: #ffffffc7;
  min-height: 140px;
  white-space: pre-wrap;
  word-break: break-word;
}