:root {
  color-scheme: dark;
  --bg: #0f1117;
  --card: #171b24;
  --text: #e8eaed;
  --muted: #9aa4b2;
  --accent: #2f81f7;
  --danger: #f85149;
  --ok: #3fb950;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1f2937, var(--bg));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 32px 16px;
}

.card {
  background: rgba(23, 27, 36, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
}

h1,
h2 {
  margin: 0 0 8px;
}

.muted {
  color: var(--muted);
  margin: 0 0 12px;
}

.hidden {
  display: none !important;
}

.status {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: var(--danger);
}

label {
  display: block;
  margin: 12px 0;
  color: var(--muted);
}

input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

button {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: rgba(255, 255, 255, 0.12);
}

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

.topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.topline button {
  width: auto;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
}