:root {
  --bg: #0f1412;
  --fg: #e8efe9;
  --muted: #9aada0;
  --accent: #7dce9a;
  --card: #1a221d;
  --line: #2a3830;
  --font: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--fg);
  background:
    radial-gradient(ellipse at top, #1c2a22 0%, transparent 55%),
    var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

.shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
}

.shell.narrow {
  max-width: 560px;
}

.eyebrow {
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  font-weight: 650;
}

h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.lede {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 1.75rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  background: var(--accent);
  color: #0b120e;
  font-weight: 600;
  cursor: pointer;
}

.btn.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
  margin-bottom: 1rem;
  display: grid;
  gap: 0.85rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #101712;
  color: var(--fg);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--fg);
}

.out {
  background: #0b100d;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem;
  overflow: auto;
  font-size: 0.8rem;
  color: var(--muted);
  min-height: 3rem;
}