/* Evaluation demonstration */
  .tabs { display: flex; flex-wrap: wrap; gap: 8px; }
  .tab {
    font-family: var(--font-body); font-size: 14px; font-weight: 600;
    color: var(--muted); background: transparent; border: 1.5px solid var(--border);
    border-radius: 999px; padding: 9px 18px; cursor: pointer;
  }
  .tab:hover { border-color: var(--faint); color: var(--ink); }
  .tab[aria-pressed="true"] { color: var(--primary-ink); background: var(--primary); border-color: var(--primary); }
  .bench { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
  .bench-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; padding: 16px 20px; border-bottom: 1px solid var(--hair); }
  .bench-biz { font-family: var(--font-heading); font-size: 19px; }
  .bench-version { font-size: 12px; color: var(--faint); }
  .bench-summary { padding: 14px 20px 0; font-size: 15px; font-weight: 600; min-height: 22px; }
  .bench-summary .ok { color: var(--green-ink); }
  .bench-summary .ko { color: var(--danger); }
  .bench-summary .plain { font-weight: 400; color: var(--muted); }
  .bench-table-scroll { overflow-x: auto; }
  .bench table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
  .bench td, .bench th { padding: 10px 12px; border-top: 1px solid var(--hair); vertical-align: top; text-align: left; }
  .bench th { font-size: 11px; letter-spacing: 0.06em; color: var(--faint); font-weight: 600; border-top: none; font-family: var(--font-mono); }
  .bench td.check { color: var(--muted); font-size: 13px; }
  .bench td.res .pass { color: var(--green-ink); white-space: nowrap; }
  .bench td.res .fail { color: var(--danger); }
  .bench td.res .idle { color: var(--faint); }
  .bench tr.failing { background: var(--danger-soft); }
  .bench-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 16px 20px 18px; }
  .banner-warn {
    margin: 12px 20px 0; padding: 12px 16px; font-size: 14px; line-height: 1.5;
    background: var(--danger-soft); border: 1px solid var(--danger-border); border-radius: 6px; color: var(--ink);
  }
  .banner-warn b { color: var(--danger); }
  .demo-note { color: var(--faint); font-size: 12.5px; max-width: 660px; }

  /* Approval demonstration */
  .gate { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 16px; align-items: start; }
  .gate-left { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
  .gate > * { min-width: 0; }
  .gate-steps { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
  .gate-steps .btn-primary, .gate-steps .btn-outline { font-size: 14px; padding: 11px 18px; }
  .approval { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
  .approval-head { background: var(--wait-bg); border-bottom: 1px solid var(--arnica); padding: 12px 18px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
  .approval-head.head-ok { background: var(--green-soft); border-bottom-color: var(--green-border); }
  .approval-head.head-ko { background: var(--danger-soft); border-bottom-color: var(--danger-border); }
  .approval-status { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--wait-ink); }
  .approval-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--arnica); }
  .head-ok .approval-status { color: var(--green-ink); }
  .head-ok .approval-status::before { background: var(--green-border); }
  .head-ko .approval-status { color: var(--danger); }
  .head-ko .approval-status::before { background: var(--danger-border); }
  .approval-meta { font-size: 11px; color: var(--wait-ink); }
  .head-ok .approval-meta { color: var(--green-ink); }
  .head-ko .approval-meta { color: var(--danger); }
  .approval-block { padding: 16px 18px 6px; display: flex; flex-direction: column; gap: 6px; }
  .approval-block + .approval-block { padding: 12px 18px 16px; }
  .approval-label { font-size: 11px; color: var(--faint); }
  .approval-msg { margin: 0; font-size: 14px; line-height: 1.55; color: var(--muted); }
  .approval-draft { margin: 0; font-family: var(--font-heading); font-size: 16px; line-height: 1.55; color: var(--ink); }
  .approval-actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 18px 16px; border-top: 1px solid var(--hair); }
  .approval-actions .btn-primary { font-size: 14px; padding: 11px 20px; }
  .approval-actions .btn-text { font-size: 14px; }
  .approval-edit {
    width: 100%; font-family: var(--font-heading); font-size: 15.5px; line-height: 1.55;
    color: var(--ink); background: var(--bg); border: 1px solid var(--control-border); border-radius: 6px;
    padding: 10px 12px; resize: vertical; min-height: 84px;
  }
  .approval-edit:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }
  .approval-edit[readonly] { color: var(--muted); resize: none; }
  .approval-internal { display: block; font-size: 10.5px; color: var(--faint); margin-top: 8px; }
  .gate-note { font-size: 13px; color: var(--faint); line-height: 1.55; max-width: 480px; margin: 0; }
  .log-panel { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
  .log-head { padding: 12px 16px; border-bottom: 1px solid var(--hair); display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
  .log-title { font-size: 13px; font-weight: 600; }
  .log-version { font-size: 11px; color: var(--faint); }
  .trace { padding: 14px 16px; font-size: 12.5px; line-height: 2; overflow-x: auto; min-height: 120px; }
  .trace .tag { border: 1px solid var(--green-border); background: var(--green-soft); color: var(--green-ink); padding: 1px 7px; border-radius: 2px; }
  .trace .tag-block { border: 1px solid var(--danger-border); background: transparent; color: var(--danger); padding: 1px 7px; border-radius: 2px; }
  .trace .empty { color: var(--faint); }
  .punchline { font-family: var(--font-heading); font-size: 19px; line-height: 1.4; color: var(--ink); border-left: 3px solid var(--arnica); padding-left: 14px; max-width: 560px; margin: 0; }

  /* DSI */
  details.dsi { border: 1px solid var(--border); border-radius: 10px; background: var(--card); }
  details.dsi summary {
    cursor: pointer; padding: 18px 20px; font-size: 16px; font-weight: 600; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
  }
  details.dsi summary::-webkit-details-marker { display: none; }
  details.dsi summary::after { content: "+"; font-family: var(--font-mono); font-size: 18px; color: var(--link); }
  details.dsi[open] summary::after { content: "−"; }
  .dsi-body { padding: 0 20px 20px; display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--hair); }
  .dsi-body p { margin: 14px 0; font-size: 14.5px; line-height: 1.6; color: var(--muted); max-width: 720px; }
  .dsi-body p:last-child { margin-bottom: 0; }
  .dsi-body p b { color: var(--ink); }
  pre.code {
    margin: 0; padding: 14px 16px; font-family: var(--font-mono);
    font-size: 12.5px; line-height: 1.6; color: var(--ink);
    background: var(--surface); border: 1px solid var(--border); border-radius: 6px; overflow-x: auto;
  }

  @media (prefers-reduced-motion: no-preference) {
    .bench td.res .pass, .bench td.res .fail { animation: fadein 0.3s ease; }
    @keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
  }