:root {
      --bg: #f5f3ed;
      --panel: #fffdf8;
      --ink: #1f2a24;
      --muted: #6b756e;
      --line: #ddd4c6;
      --accent: #0f766e;
      --exact: #0f766e;
      --high: #b7791f;
      --low: #3b82a0;
      --irrelevant: #b42318;
    }
    body { margin: 0; font-family: "IBM Plex Sans", "Segoe UI", sans-serif; color: var(--ink); background:
      radial-gradient(circle at top left, #f0e6d6 0, transparent 28%),
      linear-gradient(180deg, #f9f6f0 0%, #f0ece3 100%); }
    .app { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
    .sidebar { border-right: 1px solid var(--line); padding: 20px; background: rgba(255,255,255,0.55); backdrop-filter: blur(10px); }
    .main { padding: 24px; }
    h1, h2 { margin: 0 0 12px; }
    .muted { color: var(--muted); }
    .query-list { max-height: 60vh; overflow: auto; border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 8px; }
    .query-item {
      display: block; width: 100%; border: 0; background: transparent; text-align: left;
      padding: 10px 12px; border-radius: 10px; cursor: pointer;
      color: var(--ink); font-size: 15px; font-weight: 500;
    }
    .query-item:hover { background: #eef6f4; }
    .toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
    input[type=text] { flex: 1 1 420px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); font-size: 15px; }
    button { border: 0; background: var(--accent); color: white; padding: 12px 16px; border-radius: 14px; cursor: pointer; font-weight: 600; }
    button.secondary { background: #d9e6e3; color: #12433d; }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
    .metric-context { margin: 0 0 12px; line-height: 1.5; }
    .metric-section { margin-bottom: 18px; }
    .metric-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
    .metric-section-head h3 { margin: 0; font-size: 14px; color: #12433d; }
    .metric-section-head p { margin: 0; color: var(--muted); font-size: 12px; }
    .metric-grid { margin-bottom: 0; }
    .metric { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
    .metric .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
    .metric .value { font-size: 24px; font-weight: 700; margin-top: 4px; }
    .results { display: grid; gap: 10px; }
    .result { display: grid; grid-template-columns: 110px 100px 1fr; gap: 14px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 12px; }
    .badge { display: inline-block; padding: 8px 10px; border-radius: 999px; color: white; font-weight: 700; text-align: center; }
    .label-exact-match { background: var(--exact); }
    .label-high-relevant { background: var(--high); }
    .label-low-relevant { background: var(--low); }
    .label-irrelevant { background: var(--irrelevant); }
    .badge-unknown { background: #637381; }
    .thumb { width: 100px; height: 100px; object-fit: cover; border-radius: 14px; background: #e7e1d4; }
    .title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
    .title-zh { font-size: 14px; font-weight: 500; color: var(--muted); margin-bottom: 8px; line-height: 1.4; }
    .options { color: var(--muted); line-height: 1.5; font-size: 14px; }
    .section { margin-bottom: 28px; }
    .history { font-size: 13px; line-height: 1.5; }
    .history-list { max-height: 42vh; overflow: auto; display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
    .history-item {
      display: block; width: 100%; border: 1px solid var(--line); background: var(--panel);
      text-align: left; padding: 10px 12px; border-radius: 12px; cursor: pointer;
      color: var(--ink); font-size: 13px; transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    }
    .history-item:hover { background: #eef6f4; border-color: #b8d4cd; }
    .history-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .history-item .hid { font-weight: 700; font-size: 12px; word-break: break-all; color: #12433d; }
    .history-item .hmeta { color: var(--muted); font-size: 11px; margin-top: 4px; }
    .history-item .hstats { margin-top: 6px; font-size: 12px; color: var(--ink); line-height: 1.45; }
    .history-item .hstats span { color: var(--muted); }
    .report-modal-root {
      position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center;
      padding: 16px; box-sizing: border-box;
    }
    .report-modal-root.is-open { display: flex; }
    .report-modal-backdrop { position: absolute; inset: 0; background: rgba(31, 42, 36, 0.45); backdrop-filter: blur(4px); }
    .report-modal-dialog {
      position: relative; z-index: 1; width: min(920px, 100%); max-height: min(92vh, 900px); display: flex; flex-direction: column;
      background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
      box-shadow: 0 24px 48px rgba(31, 42, 36, 0.18);
    }
    .report-modal-head {
      flex: 0 0 auto; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
      padding: 16px 18px; border-bottom: 1px solid var(--line);
    }
    .report-modal-head h3 { margin: 0; font-size: 15px; font-weight: 700; word-break: break-all; }
    .report-modal-head .head-actions { display: flex; gap: 8px; flex-shrink: 0; }
    .report-modal-head button { padding: 8px 12px; font-size: 13px; border-radius: 10px; }
    .report-modal-meta { flex: 0 0 auto; padding: 10px 18px; font-size: 12px; border-bottom: 1px solid var(--line); background: rgba(255,253,248,0.9); }
    .report-modal-body {
      flex: 1 1 auto; overflow: auto; padding: 18px 22px 22px;
      font-size: 14px; line-height: 1.55;
    }
    .batch-report-md h1 { font-size: 1.35rem; margin: 0 0 0.75rem; color: #12433d; }
    .batch-report-md h2 { font-size: 1.05rem; margin: 1.35rem 0 0.6rem; padding-bottom: 0.35rem; border-bottom: 1px solid var(--line); color: #1a5249; }
    .batch-report-md h2:first-of-type { margin-top: 0; }
    .batch-report-md h3 { font-size: 0.95rem; margin: 1rem 0 0.4rem; color: var(--ink); font-weight: 700; }
    .batch-report-md ul { margin: 0.35rem 0 0.5rem; padding-left: 1.25rem; }
    .batch-report-md li { margin: 0.2rem 0; }
    .batch-report-md code { font-size: 0.88em; background: #e8e4d8; padding: 0.12em 0.35em; border-radius: 4px; }
    .report-modal-body.report-modal-loading, .report-modal-body.report-modal-error { color: var(--muted); font-style: italic; }
    .tips { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; line-height: 1.6; }
    .tip { margin-bottom: 6px; color: var(--muted); }
    @media (max-width: 960px) {
      .app { grid-template-columns: 1fr; }
      .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
      .metric-section-head { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 640px) {
      .main, .sidebar { padding: 16px; }
      .result { grid-template-columns: 1fr; }
      .thumb { width: 100%; max-width: 180px; height: auto; aspect-ratio: 1 / 1; }
    }