:root {
  --bg: #ffffff; --fg: #1f2328; --muted: #656d76; --border: #d0d7de;
  --row-hover: #f3f4f6; --match: #fff3bf; --match-border: #f0c000;
  --key: #0a3069; --string: #0a7d33; --number: #6639ba; --boolean: #b35900;
  --null: #8b949e; --summary: #656d76; --accent: #0969da;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --fg: #e6edf3; --muted: #8b949e; --border: #30363d;
    --row-hover: #161b22; --match: #4d3f00; --match-border: #d4a200;
    --key: #79c0ff; --string: #7ee787; --number: #d2a8ff; --boolean: #ffa657;
    --null: #8b949e; --summary: #8b949e; --accent: #58a6ff;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 13px/1.5 var(--mono);
  display: flex; flex-direction: column;
}

.toolbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px; background: var(--bg);
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
}
.brand { color: var(--accent); margin-right: 4px; }
.toolbar button {
  font: inherit; font-size: 12px; padding: 4px 9px; cursor: pointer;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
}
.toolbar button:hover { background: var(--row-hover); }
#search, #url {
  font: inherit; font-size: 12px; padding: 4px 9px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg);
}
#search { min-width: 200px; }
.spacer { flex: 1; }
.status { color: var(--muted); font-size: 12px; white-space: nowrap; }

.input-panel { padding: 12px; }
.input-panel.hidden { display: none; }
.hint { color: var(--muted); margin: 0 0 8px; font-family: system-ui, sans-serif; }
kbd {
  font: inherit; font-size: 11px; padding: 1px 5px;
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px;
}
#input {
  width: 100%; min-height: 220px; resize: vertical;
  font: 13px/1.5 var(--mono); padding: 10px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
}
.url-row { display: flex; gap: 6px; margin-top: 8px; }
.url-row #url { flex: 1; }
.url-row button {
  font: inherit; font-size: 12px; padding: 4px 12px; cursor: pointer;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
}

.error {
  margin: 10px 12px; padding: 10px 12px;
  background: #ffebe9; color: #c0341a; border: 1px solid #ff818266; border-radius: 8px;
  white-space: pre-wrap; font-family: var(--mono);
}
@media (prefers-color-scheme: dark) { .error { background: #3d1412; color: #ff9492; } }

.tree-mount { flex: 1; overflow: auto; padding: 8px 12px 40px; }

/* Tree */
.jv-children { padding-left: 1.4em; }
.jv-node > .jv-children { display: none; }
.jv-node.jv-open > .jv-children { display: block; }
.jv-row {
  display: flex; align-items: baseline; gap: 0;
  padding: 1px 4px; border-radius: 4px; white-space: pre;
}
.jv-clickable { cursor: pointer; }
.jv-row:hover { background: var(--row-hover); }
.jv-toggle {
  display: inline-block; width: 1.1em; color: var(--muted);
  user-select: none; font-size: 10px;
}
.jv-key { color: var(--key); }
.jv-colon { color: var(--muted); }
.jv-summary { color: var(--summary); font-style: italic; }
.jv-val { white-space: pre-wrap; word-break: break-word; }
.jv-string { color: var(--string); }
.jv-number { color: var(--number); }
.jv-boolean { color: var(--boolean); }
.jv-null { color: var(--null); }
.jv-row.jv-match { background: var(--match); box-shadow: inset 0 0 0 1px var(--match-border); }
.jv-more { padding: 2px 4px 2px 1.5em; color: var(--accent); cursor: pointer; font-style: italic; }
.jv-more:hover { text-decoration: underline; }

.toast {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: #1f2328; color: #fff; padding: 8px 16px; border-radius: 8px;
  font-family: system-ui, sans-serif; font-size: 13px; opacity: 0.96;
}

.pro-group { display: inline-flex; gap: 6px; align-items: center; }
#query { font: inherit; font-size: 12px; padding: 4px 9px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg); color: var(--fg); min-width: 190px; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex;
  align-items: center; justify-content: center; z-index: 50; }
.modal[hidden] { display: none; }
.modal-card { position: relative; background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 14px; padding: 26px 28px; max-width: 420px; width: calc(100% - 40px);
  font-family: system-ui, -apple-system, Segoe UI, sans-serif; }
.modal-card h2 { margin: 0 0 10px; font-size: 20px; }
.modal-card p { margin: 0 0 14px; }
.modal-card .small { color: var(--muted); font-size: 13px; margin: 18px 0 8px; }
.modal-x { position: absolute; top: 8px; right: 12px; background: none; border: none;
  font-size: 24px; line-height: 1; color: var(--muted); cursor: pointer; }
.cta { display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: 11px 20px; border-radius: 9px; font-weight: 600; }
.code-row { display: flex; gap: 6px; }
.code-row input { flex: 1; font: inherit; padding: 7px 10px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg); color: var(--fg); }
.code-row button { font: inherit; padding: 7px 14px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg); color: var(--fg); cursor: pointer; }