:root {
  --bg: #f6f5f1;
  --panel: #ffffff;
  --border: #e2e0d8;
  --text: #1d1d1b;
  --muted: #6b6a64;
  --accent: #0f7b6c;
  --accent-soft: #e3f2ef;
  --code-bg: #fbfaf7;
  --warn: #8a5a00;
  --warn-bg: #fdf4e1;
  --error: #b42318;
  --error-bg: #fdecea;
  --tk-c: #8a8a80;
  --tk-s: #0b7a3e;
  --tk-n: #a35200;
  --tk-k: #7a3eb1;
  --tk-b: #b4235a;
  --tk-f: #0a5dbd;
  --tk-t: #0f7b6c;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131412;
    --panel: #1b1c1a;
    --border: #2d2f2b;
    --text: #e8e7e2;
    --muted: #9a9990;
    --accent: #4cc2ad;
    --accent-soft: #1d3330;
    --code-bg: #171816;
    --warn: #f0c060;
    --warn-bg: #2e2614;
    --error: #ff8a80;
    --error-bg: #351a18;
    --tk-c: #7c7d75;
    --tk-s: #8fd19e;
    --tk-n: #f2a65a;
    --tk-k: #c5a3f5;
    --tk-b: #f48fb1;
    --tk-f: #7cb8ff;
    --tk-t: #4cc2ad;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--sans);
}

code { font-family: var(--mono); font-size: 0.92em; }

.top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 24px 16px;
}
.brand h1 { margin: 0; font: 700 26px/1.1 var(--mono); letter-spacing: -0.02em; }
.brand h1 span { color: var(--accent); }
.brand p { margin: 6px 0 0; color: var(--muted); }
nav { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
nav a { color: var(--text); }
.source-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--panel);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.source-link:hover { filter: brightness(1.1); }
.source-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.source-link svg { flex: none; }
.badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

main {
  display: grid;
  grid-template-columns: minmax(320px, 5fr) 7fr;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.panel-head label, .panel-head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.collapsible .panel-head { cursor: pointer; user-select: none; }
.collapsed .panel-head { border-bottom: 0; }
.toggle { all: unset; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.toggle svg { color: var(--muted); transition: transform 0.15s; }
.toggle[aria-expanded="true"] svg { transform: rotate(90deg); }
.muted { color: var(--muted); font-weight: 400; font-family: var(--mono); font-size: 12px; }
.actions { display: flex; gap: 8px; min-width: 0; }
.actions select { min-width: 0; text-overflow: ellipsis; }
.actions button { flex: none; }
.panel-head label { white-space: nowrap; }

.input-panel { position: sticky; top: 16px; }

textarea {
  display: block;
  width: 100%;
  min-height: 260px;
  resize: vertical;
  border: 0;
  padding: 14px;
  background: var(--code-bg);
  color: var(--text);
  font: 13px/1.55 var(--mono);
  outline: none;
}
textarea:focus { box-shadow: inset 0 0 0 2px var(--accent-soft); }

button, select {
  font: inherit;
  font-size: 13px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 4px 10px;
  cursor: pointer;
}
button:hover, select:hover { border-color: var(--accent); }
button.done { background: var(--accent); border-color: var(--accent); color: var(--panel); }
.ghost { background: transparent; }

.options { padding: 4px 14px 8px; border-top: 1px solid var(--border); }
fieldset { border: 0; margin: 10px 0 0; padding: 0; }
legend { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 6px; }
.check { display: block; padding-left: 24px; text-indent: -24px; font-size: 14px; margin: 4px 0; cursor: pointer; }
.inline-field { display: flex; align-items: center; gap: 8px; font-size: 14px; margin: 4px 0 6px; }
.check input { accent-color: var(--accent); width: 16px; margin: 0 8px 0 0; text-indent: 0; vertical-align: -2px; }

.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 6px 14px; font: 600 13px var(--mono); border-right: 1px solid var(--border); }
.segmented label:last-of-type span { border-right: 0; }
.segmented label:not([hidden]):nth-last-child(1 of :not([hidden])) span { border-right: 0; }
.segmented input:checked + span { background: var(--accent); color: var(--panel); }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -2px; }
.hint { margin: 6px 0 0; font-size: 13px; color: var(--muted); }

.status { padding: 0 14px; font-size: 13px; }
.status:empty { display: none; }
.status p { margin: 0; font-family: var(--mono); word-break: break-all; }
.status ul { margin: 6px 0 0; padding-left: 18px; }
.status.ok, .status.warn, .status.error { padding: 10px 14px; border-top: 1px solid var(--border); }
.status.ok { color: var(--accent); }
.status.warn { background: var(--warn-bg); color: var(--warn); }
.status.error { background: var(--error-bg); color: var(--error); }

.outputs { display: grid; gap: 16px; min-width: 0; }
pre {
  margin: 0;
  padding: 14px;
  background: var(--code-bg);
  overflow-x: auto;
  font: 13px/1.55 var(--mono);
  tab-size: 4;
}
pre code { font-size: inherit; }
.placeholder { color: var(--muted); font-family: var(--sans); }

.tk-c { color: var(--tk-c); font-style: italic; }
.tk-s { color: var(--tk-s); }
.tk-n { color: var(--tk-n); }
.tk-k { color: var(--tk-k); font-weight: 600; }
.tk-b { color: var(--tk-b); }
.tk-f { color: var(--tk-f); font-weight: 600; }
.tk-t { color: var(--tk-t); }

.docs {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 24px 24px;
}
.docs > * { max-width: 760px; }
.docs h2 { font-size: 18px; margin: 28px 0 10px; }
.docs h2:first-child { margin-top: 12px; }
.docs ol, .docs ul { margin: 0; padding-left: 22px; }
.docs li { margin: 6px 0; }
.docs details { border-top: 1px solid var(--border); padding: 10px 0; }
.docs details:last-child { border-bottom: 1px solid var(--border); }
.docs summary { cursor: pointer; font-weight: 600; }
.docs summary:hover { color: var(--accent); }
.docs details p { margin: 8px 0 0; color: var(--muted); }
kbd {
  font: 12px var(--mono);
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--panel);
}

footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 24px 32px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}
footer p { margin: 0; }

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; padding: 0 16px 16px; }
  .top { flex-direction: column; align-items: flex-start; padding: 20px 16px 12px; }
  .input-panel { position: static; }
  .docs { padding: 8px 16px 16px; }
  footer { padding: 8px 16px 24px; }
  .segmented span { padding: 6px 10px; }
}