:root{
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #dde1e6;
  --text: #1c2128;
  --muted: #6a737d;
  --accent: #2f6fde;
  --good: #1f883d;
  --warn: #b26a00;
  --bad: #cf222e;
  --code-bg: #f0f2f5;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0f1216;
    --panel: #171b21;
    --border: #2b313a;
    --text: #e6e9ed;
    --muted: #8b949e;
    --accent: #5b9bff;
    --good: #3fb950;
    --warn: #d29922;
    --bad: #f85149;
    --code-bg: #11151a;
  }
}

*{ box-sizing: border-box; }
body{
  margin: 0;
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar h1{ margin: 0; font-size: 17px; }
.topbar h1 span{ color: var(--muted); font-weight: 400; }

.layout{
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 53px);
}
@media (max-width: 760px){
  .layout{ grid-template-columns: 1fr; }
}

.sidebar{
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 12px;
  overflow-y: auto;
}
.sidebar h2{
  display: flex; justify-content: space-between; align-items: center;
  margin: 12px 4px 6px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted);
}
.sidebar ul{ list-style: none; margin: 0; padding: 0; }
.sidebar li.group{ margin: 8px 4px 2px; font-weight: 600; font-size: 12px; }
.sidebar li.empty{ margin: 4px; color: var(--muted); font-size: 12px; }

.item{
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 6px 8px; border: 0; border-radius: 6px;
  background: none; color: inherit; font: inherit; text-align: left;
  cursor: pointer;
}
.item:hover{ background: var(--code-bg); }
.item .label{ flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; }

.method{ font: 600 10px var(--mono); width: 44px; }
.m-GET{ color: var(--good); }
.m-POST{ color: var(--accent); }
.m-PUT, .m-PATCH{ color: var(--warn); }
.m-DELETE{ color: var(--bad); }

.workspace{ padding: 20px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.request{ display: flex; flex-direction: column; gap: 12px; }
.request .row{ display: flex; gap: 8px; }
.request label{ display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 12px; }
.request small{ color: var(--muted); font-weight: 400; }

select, input, textarea, button{
  font: inherit; color: inherit;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--panel);
  padding: 8px 10px;
}
input, textarea{ font-family: var(--mono); font-size: 13px; }
#path{ flex: 1; min-width: 0; }
textarea{ resize: vertical; background: var(--code-bg); }
button[type=submit]{ background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; cursor: pointer; padding: 8px 18px; }
button.link{ border: 0; padding: 0; background: none; color: var(--accent); font-size: 11px; text-transform: none; letter-spacing: 0; cursor: pointer; }

.response{
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); overflow: hidden;
}
.response-meta{ display: flex; gap: 12px; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--muted); }
.response pre{
  margin: 0; padding: 12px; background: var(--code-bg);
  font: 13px/1.5 var(--mono);
  white-space: pre-wrap; word-break: break-word;
  max-height: 60vh; overflow: auto;
}

.pill{
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  border: 1px solid var(--border); color: var(--muted);
}
.pill.small{ padding: 0 6px; font-size: 10px; }
.pill.good{ color: var(--good); border-color: currentColor; }
.pill.warn{ color: var(--warn); border-color: currentColor; }
.pill.bad{ color: var(--bad); border-color: currentColor; }

.identity{ display: flex; flex-direction: column; gap: 4px; margin: 0 4px 8px; }
.identity code{ font: 11px var(--mono); color: var(--muted); word-break: break-all; }
.identity .item{ font-size: 12px; color: var(--accent); }