:root {
  --bg: #0b0f19;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #243044;
  --btn: #2563eb;
  --btn2: #374151;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 16px;
}

h1 { margin: 0 0 6px; }
.sub { margin: 0 0 18px; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}

textarea, input, select {
  width: 100%;
  background: #0f172a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  outline: none;
}

textarea { resize: vertical; }

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 10px;
}

#tone { max-width: 180px; }
#minWords, #maxWords { max-width: 120px; }

.card .row {
  grid-template-columns: 1fr 160px;
}

.card:nth-of-type(3) .row {
  grid-template-columns: 180px 120px 120px 160px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: white;
  background: var(--btn);
  font-weight: 600;
}

button.secondary { background: var(--btn2); }

.status {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  min-height: 16px;
}

.answer {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 90px;
  white-space: pre-wrap;
}