:root {
  --bg: #0b1020;
  --panel: #121a2d;
  --panel-strong: #1a2440;
  --text: #edf3ff;
  --muted: #9cb0d9;
  --accent: #7c9cff;
  --accent-strong: #4d7cff;
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #17213f 0%, var(--bg) 42%);
  color: var(--text);
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.link {
  color: var(--text);
  text-decoration: none;
  background: rgba(124, 156, 255, 0.12);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
}

.card {
  background: rgba(18, 26, 45, 0.96);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
}

.prompt-box,
.output-box {
  padding: 22px 22px 0;
}

label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}

textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 14px 16px;
  resize: vertical;
  min-height: 130px;
  font: inherit;
}

.actions {
  display: flex;
  gap: 12px;
  padding: 18px 22px 0;
}

button {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
}

button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.status {
  font-size: 0.9rem;
  color: var(--muted);
  padding: 16px 22px 0;
}

.output-box h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #0d1527;
  border: 1px solid var(--border);
  border-radius: 14px;
  margin: 0 0 22px;
  min-height: 220px;
  padding: 16px;
  color: #e8efff;
  line-height: 1.6;
}