:root {
  color-scheme: light dark;
  font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.eyebrow,
.muted {
  color: #94a3b8;
}

.notice {
  padding: 16px;
  margin-bottom: 20px;
  border: 1px solid #334155;
  border-radius: 16px;
  background: #1e293b;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.card {
  padding: 18px;
  border: 1px solid #334155;
  border-radius: 18px;
  background: #111827;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.22);
}

.wide {
  grid-column: 1 / -1;
}

.actions,
form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

button,
input,
select {
  border: 1px solid #475569;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

button {
  cursor: pointer;
  color: #0f172a;
  background: #38bdf8;
  border-color: #38bdf8;
}

input,
select {
  min-width: 260px;
  color: #e2e8f0;
  background: #020617;
}

a {
  display: inline-block;
  margin-bottom: 12px;
  color: #67e8f9;
}

pre {
  overflow: auto;
  min-height: 90px;
  padding: 12px;
  border-radius: 12px;
  background: #020617;
  color: #cbd5e1;
}

.group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  margin: 12px 0;
  border: 1px solid #334155;
  border-radius: 12px;
}

.group h3,
.group p {
  width: 100%;
  margin-bottom: 0;
}