:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e3e6ea;
  --text: #1c1e21;
  --muted: #6b7280;
  --primary: #2563eb;
  --ok: #16a34a;
  --err: #dc2626;
  --warn: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

header {
  padding: 28px 20px 12px;
  max-width: 860px;
  margin: 0 auto;
}
header h1 { margin: 0; font-size: 24px; }
header .sub { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

main { max-width: 860px; margin: 0 auto; padding: 12px 20px 40px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
}
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
.field textarea { resize: vertical; }
.row { display: flex; gap: 14px; }
.row .field { flex: 1; }
.hidden { display: none; }

.primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 22px;
  font-size: 15px;
  cursor: pointer;
}
.primary:disabled { opacity: 0.6; cursor: not-allowed; }

.msg { font-size: 13px; min-height: 18px; margin: 8px 0 0; color: var(--ok); }
.msg.err { color: var(--err); }

.jobs .empty { color: var(--muted); font-size: 14px; }
.job {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.job-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.job.running .dot { background: var(--warn); }
.job.succeeded .dot { background: var(--ok); }
.job.failed .dot { background: var(--err); }
.job-name { font-weight: 600; }
.job-status { font-size: 12px; color: var(--muted); }
.job-time { font-size: 12px; color: var(--muted); margin-left: auto; }
.dl { font-size: 13px; color: var(--primary); text-decoration: none; }
.job-progress { font-size: 13px; color: var(--muted); margin-top: 6px; }
.job-error { font-size: 13px; color: var(--err); margin-top: 6px; white-space: pre-wrap; }

/* ---- 顶部导航 ---- */
.topnav { display: flex; gap: 8px; margin-top: 10px; }
.nav-btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 7px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
.nav-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 知识库 ---- */
.kb-searchbar { display: flex; gap: 10px; }
.kb-searchbar input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}
.kb-list { display: flex; flex-direction: column; gap: 10px; }
.kb-entry {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.kb-entry:hover { border-color: var(--primary); background: #fafbff; }
.kb-entry-meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kb-entry-head { display: flex; align-items: center; gap: 10px; }
.kb-entry-name { font-weight: 600; }
.kb-entry-date { font-size: 12px; color: var(--muted); margin-left: auto; }
.kb-entry-files { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.kb-file {
  font-size: 12px;
  color: var(--primary);
  background: #eef2ff;
  border: 1px solid #dbe3ff;
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
}
.kb-file:hover { background: #e0e7ff; }
.kb-file.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.kb-snippet { font-size: 13px; color: var(--muted); margin-top: 6px; }
.kb-search-hit { cursor: pointer; }
.kb-search-hit:hover { border-color: var(--primary); }
#kb-viewer { scroll-margin-top: 20px; }
#kb-viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
#kb-viewer-title { font-weight: 600; font-size: 14px; }
#kb-viewer-body {
  padding: 4px 8px;
  max-height: 72vh;
  overflow-y: auto;
}
.markdown-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  word-break: break-word;
}
.markdown-body h1 { font-size: 22px; margin: 14px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.markdown-body h2 { font-size: 18px; margin: 20px 0 10px; }
.markdown-body h3 { font-size: 15px; margin: 16px 0 8px; }
.markdown-body h4 { font-size: 14px; margin: 12px 0 6px; }
.markdown-body p { margin: 8px 0; }
.markdown-body ul, .markdown-body ol { margin: 8px 0; padding-left: 22px; }
.markdown-body li { margin: 4px 0; }
.markdown-body blockquote {
  margin: 8px 0;
  padding: 6px 14px;
  border-left: 3px solid #c7d2fe;
  background: #f5f7ff;
  color: #475069;
  border-radius: 0 6px 6px 0;
}
.markdown-body blockquote p { margin: 4px 0; }
.markdown-body code { background: #eef1f5; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.markdown-body pre { background: #f6f8fa; padding: 12px; border-radius: 8px; overflow-x: auto; }
.markdown-body table { border-collapse: collapse; margin: 10px 0; width: 100%; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 6px 10px; font-size: 13px; }
.markdown-body th { background: #f5f6f8; font-weight: 600; }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.ghost {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 13px;
}
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.hidden { display: none; }