:root {
  color-scheme: light dark;
  --gap: 1rem;
  --border: #ccc;
  --accent: #2563eb;
  --error: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  padding: 2rem 1rem;
  background: #f7f7f8;
  color: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #17181c;
    color: #e6e6e6;
  }
}

.page {
  max-width: 760px;
  margin: 0 auto;
}

header h1 {
  margin-bottom: 0.25rem;
}

.subtitle {
  margin-top: 0;
  color: #666;
}

.disclaimer {
  background: #fef3c7;
  color: #78350f;
  border: 1px solid #f59e0b;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
  .disclaimer {
    background: #3f2d05;
    color: #fde68a;
    border-color: #92610a;
  }
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: var(--gap);
  padding: 1rem;
}

legend {
  font-weight: 600;
  padding: 0 0.5rem;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  margin-bottom: var(--gap);
}

.field-row[hidden] {
  display: none;
}

.field {
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 3px solid #94a3b8;
  padding-left: 0.6rem;
}

.field.optional {
  border-left-style: dashed;
  border-left-color: #cbd5e1;
}

@media (prefers-color-scheme: dark) {
  .field {
    border-left-color: #475569;
  }

  .field.optional {
    border-left-color: #334155;
  }
}

label {
  font-size: 0.9rem;
}

input {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

input.invalid {
  border-color: var(--error);
}

button {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#errors {
  color: var(--error);
  margin-bottom: var(--gap);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--gap);
}

th, td {
  border: 1px solid var(--border);
  padding: 0.5rem;
  text-align: left;
}

.value-current {
  color: #6b7280;
}

.value-recommended {
  color: var(--accent);
  font-weight: 600;
}

.value-recommended div {
  margin-bottom: 0.2rem;
}

.value-recommended div:last-child {
  margin-bottom: 0;
}

@media (prefers-color-scheme: dark) {
  .value-current {
    color: #9ca3af;
  }
}

.yaml-block {
  margin-bottom: var(--gap);
}

.yaml-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
}