:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2024;
  --muted: #60646c;
  --border: #d9dce1;
  --accent: #0d74ce;
  --accent-text: #ffffff;
  --error: #ce2c31;
  --code-bg: #f0f1f3;
  --radius: 8px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --surface: #18191b;
    --text: #edeef0;
    --muted: #b0b4ba;
    --border: #363a3f;
    --accent: #70b8ff;
    --accent-text: #111113;
    --error: #ff9592;
    --code-bg: #212225;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.site-header,
main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  padding-top: 32px;
  padding-bottom: 16px;
}

h1 {
  margin: 0 0 8px;
  font-size: 32px;
  line-height: 1.25;
}

h2 {
  margin: 0;
  font-size: 18px;
}

.lead {
  margin: 0 0 8px;
  max-width: 72ch;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0;
}

a {
  color: var(--accent);
}

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 48px;
  align-items: start;
}

@media (max-width: 860px) {
  main {
    grid-template-columns: minmax(0, 1fr);
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}

.pickers {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

@media (max-width: 480px) {
  .pickers {
    grid-template-columns: minmax(0, 1fr);
  }
}

.pickers label {
  display: grid;
  gap: 4px;
  font-size: 14px;
  color: var(--muted);
}

.help {
  margin: 12px 0 16px;
}

.params {
  display: grid;
  gap: 16px;
}

.param {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.param-name {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.param-name code {
  font-size: 14px;
}

.required {
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0 4px;
}

.param-help {
  color: var(--muted);
  font-size: 14px;
}

input,
select,
button {
  font: inherit;
  color: inherit;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
  width: 100%;
  min-height: 40px;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  min-width: 0;
  max-width: 100%;
}

input[type="date"]::-webkit-date-and-time-value {
  text-align: left;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

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

.check {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.struct-rows {
  display: grid;
  gap: 8px;
}

.struct-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: end;
}

.struct-row label {
  display: grid;
  gap: 2px;
  flex: 1 1 120px;
  font-size: 14px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.segmented {
  display: inline-flex;
  gap: 12px;
  border: 0;
  padding: 0;
  margin: 0;
}

.segmented label {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

button {
  min-height: 40px;
  padding: 6px 16px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

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

button.ghost {
  background: transparent;
  color: var(--accent);
  justify-self: start;
}

.result-head {
  display: grid;
  gap: 8px;
}

.cli {
  display: block;
  padding: 8px 10px;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 13px;
  overflow-wrap: anywhere;
}

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

.result {
  margin: 0;
  padding: 12px;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 70vh;
}

.result.error {
  color: var(--error);
  white-space: pre-wrap;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}