* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #0f1115; color: #d6d8de; height: 100vh; display: flex; flex-direction: column;
}
header {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 20px; background: #161922; border-bottom: 1px solid #262b38;
}
header h1 { font-size: 18px; color: #e8eaf0; font-weight: 600; }
#tabs { display: flex; gap: 4px; }
.tab-btn {
  padding: 7px 16px; border: 1px solid #2a3040; border-radius: 6px;
  background: transparent; color: #9aa2b5; cursor: pointer; font-size: 14px;
}
.tab-btn.active { background: #2b6cff; border-color: #2b6cff; color: #fff; }
main { flex: 1; display: flex; overflow: hidden; }
.tab-panel { display: none; flex: 1; }
.tab-panel.active { display: flex; }
.sidebar {
  width: 240px; min-width: 200px; overflow-y: auto;
  border-right: 1px solid #262b38; padding: 8px 0; background: #12151c;
}
.sidebar .item { padding: 6px 14px; cursor: pointer; font-size: 13px; color: #aab2c6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar .item:hover { background: #1b202c; color: #fff; }
.sidebar .item.active { background: #2b6cff22; color: #7ea4ff; border-left: 2px solid #2b6cff; }
.sidebar .group { padding: 8px 14px 4px; font-size: 11px; color: #5c6577; text-transform: uppercase; letter-spacing: .5px; }
.content { flex: 1; overflow: auto; padding: 16px 20px; }
.placeholder { color: #5c6577; padding: 60px 0; text-align: center; font-size: 14px; }
.doc-body { line-height: 1.7; font-size: 14px; }
.doc-body h1 { font-size: 24px; margin: 18px 0 10px; color: #f0f2f8; }
.doc-body h2 { font-size: 19px; margin: 16px 0 8px; color: #d7dcff; border-bottom: 1px solid #262b38; padding-bottom: 6px; }
.doc-body h3 { font-size: 16px; margin: 12px 0 6px; color: #c9cfef; }
.doc-body code { background: #1b202c; padding: 2px 6px; border-radius: 4px; font-size: 13px; color: #f0a8a8; }
.doc-body pre { background: #161922; padding: 12px; border-radius: 8px; overflow-x: auto; margin: 10px 0; }
.doc-body pre code { background: none; padding: 0; color: #b8c4d8; }
.doc-body table { border-collapse: collapse; margin: 10px 0; width: 100%; }
.doc-body th, .doc-body td { border: 1px solid #2a3040; padding: 6px 10px; text-align: left; font-size: 13px; }
.doc-body th { background: #1b202c; color: #c9cfef; }
.doc-body a { color: #7ea4ff; }
.console-panel { display: flex; flex-direction: column; gap: 12px; }
.console-panel .content { padding: 0; }
#api-form-area { padding: 12px; }
.param-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.param-row label { font-size: 12px; color: #8a92a6; width: 110px; }
.param-row input, .param-row select {
  background: #161922; border: 1px solid #2a3040; color: #d6d8de;
  border-radius: 4px; padding: 5px 8px; font-size: 13px; flex: 1; max-width: 360px;
}
#api-method { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
#api-method.GET { background: #1e5a3a; color: #7ee2a8; }
#api-method.POST { background: #5a3a1e; color: #e2b97e; }
#api-path { font-family: ui-monospace, Menlo, monospace; font-size: 13px; color: #aab2c6; }
#api-call-btn {
  margin-top: 10px; padding: 8px 20px; border: none; border-radius: 6px;
  background: #2b6cff; color: #fff; cursor: pointer; font-size: 14px;
}
#api-call-btn:disabled { background: #2a3040; color: #5c6577; cursor: not-allowed; }
.response-box {
  flex: 1; margin: 0 12px 12px; padding: 12px; background: #0d0f13; border: 1px solid #262b38;
  border-radius: 8px; overflow: auto; font-family: ui-monospace, Menlo, monospace;
  font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
}
.note { font-size: 12px; color: #8a92a6; margin-top: 6px; }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 4px; margin-left: 6px; }
.tag.replay { background: #1e3a5a; color: #7ec8e2; }
.tag.live { background: #5a1e1e; color: #e27e7e; }