/* ===== Programs ===== */
  .program-list, .project-list, .task-list { list-style: none; }
  .program-list { display: flex; flex-direction: column; gap: 10px; }

  .program {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
    overflow: hidden;
  }
  .program:hover:not(.is-open) { border-color: var(--line); }
  .program.is-open {
    border-color: var(--ink);
    background: var(--surface);
    box-shadow: 0 2px 12px rgba(31,29,26,0.06);
  }

  .program-head {
    width: 100%;
    background: transparent;
    border: none;
    padding: 14px 20px 14px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    color: inherit;
    position: relative;
    flex-wrap: wrap;
  }
  .program-accent {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
  }
  .program-kind,
  .project-kind {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    font-weight: 500;
  }
  .program-kind {
    background: var(--ink);
    color: var(--bg);
    letter-spacing: 0.18em;
  }
  .project-kind {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: var(--text-xs);
  }
  .contour-chip {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--ink-muted);
    background: var(--bg);
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    min-width: 36px;
    text-align: center;
  }
  .contour-chip-lg {
    font-size: var(--text-xs);
    padding: 4px 7px;
    min-width: 40px;
  }
  .src-tag {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink-soft);
    border: 1px solid var(--line);
    width: 16px; height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }
  .program-name {
    font-family: "Fraunces", serif;
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.3;
    flex: 1;
    min-width: 240px;
    color: var(--ink);
  }
  .program-id-mono {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    color: var(--ink-soft);
    letter-spacing: 0.04em;
    flex-shrink: 0;
  }
  .project-count {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink);
    background: var(--bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    min-width: 26px;
    text-align: center;
  }
  .chev {
    width: 8px; height: 8px;
    border-right: 1.5px solid var(--ink-muted);
    border-bottom: 1.5px solid var(--ink-muted);
    transform: rotate(45deg);
    transition: transform 0.2s;
    flex-shrink: 0;
  }
  .chev-lg { width: 9px; height: 9px; }
  .program.is-open > .program-head .chev,
  .project.is-open > .project-head .chev {
    transform: rotate(-135deg);
    margin-top: 4px;
  }

  .program-body {
    border-top: 1px solid var(--line-soft);
    background: var(--bg);
  }
  .program-body[hidden],
  .project-body[hidden] {
    display: none !important;
  }
  .program-meta {
    padding: 20px 24px;
    border-bottom: 1px solid var(--line-soft);
    display: grid;
    gap: var(--space-3);
  }

  /* ===== Fields (shared) ===== */
  .field-label {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    letter-spacing: 0.16em;
    color: var(--ink-soft);
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
  }
  .field-value {
    font-size: var(--text-base);
    color: var(--ink);
    line-height: 1.55;
  }
  .empty-field .field-value { color: var(--ink-soft); font-style: italic; }
  .field-source {
    border-left: 2px solid var(--line);
    padding-left: 12px;
    margin-left: 2px;
  }
  .field-source .field-value {
    color: var(--ink-muted);
    font-size: var(--text-sm);
    font-style: italic;
    line-height: 1.5;
  }

  /* ===== Projects ===== */
  .projects-header {
    padding: 14px 24px 10px;
    display: flex;
    align-items: baseline;
    gap: 10px;
    background: var(--bg);
  }
  .projects-header-label {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    color: var(--ink-soft);
    text-transform: uppercase;
    font-weight: 500;
  }
  .projects-header-count {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink);
    background: var(--bg);
    padding: 2px 7px;
    border-radius: var(--radius-sm);
  }
  .project-list {
    list-style: none;
    margin: 0;
    padding: 0 16px 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    counter-reset: project-idx;
  }
  .project {
    background: var(--bg);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: background 0.12s, border-color 0.12s;
  }
  .project:hover:not(.is-open) { background: rgba(31,29,26,0.035); }
  .project.is-open {
    background: var(--surface);
    border-color: var(--line-soft);
  }

  .project-head {
    width: 100%;
    background: transparent;
    border: none;
    padding: 10px 16px 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    color: inherit;
    position: relative;
    flex-wrap: wrap;
  }
  .project-accent {
    flex-shrink: 0;
    width: 3px;
    height: 22px;
    border-radius: var(--radius-sm);
    margin-right: 2px;
  }
  .project-index {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--ink-soft);
    min-width: 20px;
    text-align: right;
    flex-shrink: 0;
  }
  .project-name {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--ink);
    line-height: 1.35;
    flex: 1;
    min-width: 200px;
  }
  .project-id-mono {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    color: var(--ink-soft);
    letter-spacing: 0.04em;
    flex-shrink: 0;
  }
  .task-badge {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    min-width: 22px;
    text-align: center;
    flex-shrink: 0;
  }
  .task-badge-empty { color: var(--ink-soft); background: transparent; }
  .project-body {
    padding: 4px 20px 18px 22px;
    display: grid;
    gap: 14px;
    border-top: 1px solid var(--line-soft);
  }

  /* ===== Tasks ===== */
  .tasks-wrap {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 14px 16px;
  }
  .tasks-empty {
    background: transparent;
    border: 1px dashed var(--line);
  }
  .tasks-heading {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    letter-spacing: 0.16em;
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .tasks-empty-note {
    font-size: var(--text-sm);
    color: var(--ink-soft);
    font-style: italic;
  }
  .task-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  .task {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: var(--text-sm);
    line-height: 1.5;
    padding-left: 14px;
    position: relative;
  }
  .task::before {
    content: "";
    position: absolute;
    left: 0; top: 10px;
    width: 6px; height: 1px;
    background: var(--ink-soft);
  }
  .task-id {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    color: var(--ink-soft);
    letter-spacing: 0.03em;
    flex-shrink: 0;
    padding-top: 2px;
    min-width: 140px;
  }
  .task-name { color: var(--ink); }

  /* ===== Filtering state ===== */
  body.has-filter .program:not(.match-filter),
  body.has-filter .project:not(.match-filter) {
    display: none;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1100px) {
    .contour-filter .cf-label,
    .owner-filter .cf-label { display: none; }
    .contour-filter,
    .owner-filter { padding-right: 8px; }
  }
  @media (max-width: 840px) {
    .doc-top-inner, .hero, .legend-panel, .changes-panel, .filter-bar, .timeline {
      padding-left: 24px; padding-right: 24px;
    }
    .month {
      grid-template-columns: 1fr;
      gap: 8px;
      padding: 24px 0;
    }
    .month-axis { position: static; }
    .month-body { grid-column: 1; margin-top: 12px; }
    .month-dot::before { display: none; }
    .month-title { font-size: 28px; }
    .doc-meta { display: none; }
    .program-head, .project-head { flex-wrap: wrap; }
    .program-id-mono, .project-id-mono { width: 100%; margin-left: 50px; }
    .filter-bar { top: 52px; padding: 16px 24px; }
    .hero h1 { font-size: 32px; }
  }

  /* ===== Print ===== */
  @media print {
    body { background: white; }
    .doc-top, .filter-bar { display: none; }
    .program-body, .project-body { display: block !important; }
    .program-body[hidden], .project-body[hidden] { display: block !important; }
    .chev { display: none; }
    * { box-shadow: none !important; }
  }