:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --surface: #14171c;
  --surface-2: #1c2026;
  --border: #232830;
  --text: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #79c0ff;
  --accent-hover: #a4d4ff;
  --success: #7ee787;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  margin-bottom: 32px;
}
header h1 { font-size: 18px; margin: 0; font-weight: 600; }

main { padding-bottom: 64px; }

.row { display: flex; align-items: center; gap: 12px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

h2 { font-size: 20px; margin: 0 0 16px; font-weight: 600; }
h3 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 12px; font-weight: 600; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}

input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

input:disabled { opacity: 0.6; cursor: not-allowed; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

button {
  padding: 8px 16px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.ghost:hover { background: var(--surface-2); }

button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
button.danger:hover { background: var(--danger); color: var(--bg); }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 500;
}
td code {
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}
tr:hover td { background: var(--surface); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.features label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 8px;
  background: var(--surface-2);
  border-radius: 4px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}
.features input[type=checkbox] {
  width: auto;
  margin: 0;
}

.error { color: var(--danger); margin-top: 12px; }
.success { color: var(--success); }

code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }

@media (max-width: 600px) {
  .grid-2 { grid-template-columns: 1fr; }
}