:root {
  --ink: #12201c;
  --muted: #5f716b;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --line: #d9e3df;
  --bg: #f7faf8;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

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

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 0.95;
}

.lede {
  max-width: 640px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.panel h2 {
  margin: 0 0 8px;
}

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

.file-picker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.file-picker:hover {
  background: var(--accent-dark);
}

.file-picker input {
  display: none;
}

pre {
  min-height: 120px;
  margin: 20px 0 0;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f0f5f3;
  white-space: pre-wrap;
}