* { margin: 0; padding: 0; box-sizing: border-box; }

    :root {
      color-scheme: only dark;
      --primary: #7e4cbc;
      --primary-dim: #6a3fa3;
      --primary-soft: rgba(126, 76, 188, 0.12);
      --primary-glow: rgba(126, 76, 188, 0.2);
      --bg-dark: #0d0d0d;
      --bg-card: #161618;
      --bg-card-hover: #1D1D20;
      --bg-input: #242428;
      --border: #2E2E33;
      --text-primary: #F1F3F5;
      --text-secondary: #ADB5BD;
      --text-muted: #495057;
      --text-dim: #7a7a82;
      --red: #FF6B6B;
      --red-soft: rgba(255, 107, 107, 0.14);
      --amber: #FFA94D;
      --amber-soft: rgba(255, 169, 77, 0.14);
      --teal: #20C997;
      --gold: #FFD43B;
      --radius: 8px;
      --radius-sm: 6px;
      --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    }
    html[data-theme="purple"] { --primary:#7e4cbc; --primary-dim:#6a3fa3; --primary-soft:rgba(126,76,188,0.12); --primary-glow:rgba(126,76,188,0.2); }
    html[data-theme="blue"]   { --primary:#2e60cf; --primary-dim:#2752b0; --primary-soft:rgba(46,96,207,0.12);  --primary-glow:rgba(46,96,207,0.2); }
    html[data-theme="red"]    { --primary:#bc4f48; --primary-dim:#a3433d; --primary-soft:rgba(188,79,72,0.12);  --primary-glow:rgba(188,79,72,0.2); }
    html[data-theme="green"]  { --primary:#31a032; --primary-dim:#298a2a; --primary-soft:rgba(49,160,50,0.12);  --primary-glow:rgba(49,160,50,0.2); }

    body {
      font-family: var(--font-sans);
      background: var(--bg-dark);
      color: var(--text-primary);
      min-height: 100vh;
    }

    /* ===== HEADER ===== */
    .header {
      display: flex; align-items: center; gap: 10px;
      padding: 14px 24px;
      border-bottom: 1px solid var(--border);
      background: var(--bg-dark);
      position: sticky; top: 0; z-index: 50;
    }
    .header-logo {
      width: 26px; height: 26px;
      object-fit: contain; cursor: pointer;
    }
    .burger {
      background: transparent; border: none;
      color: var(--text-secondary); cursor: pointer;
      padding: 4px 6px; margin-right: -2px;
      display: inline-flex; align-items: center;
      border-radius: 4px;
      transition: color 0.15s, background 0.15s;
    }
    .burger:hover { color: var(--primary); background: var(--bg-input); }
    .burger svg { display: block; }
    .header-eyebrow {
      font-size: 11px; letter-spacing: 0.18em; color: var(--text-secondary);
      text-transform: uppercase; font-weight: 500; line-height: 21.75px;
    }
    .header-title {
      font-size: 15px; font-weight: 600; letter-spacing: -0.005em;
      color: var(--text-primary); text-decoration: none; line-height: 21.75px;
      transition: opacity 0.15s;
    }
    .header-title:hover { opacity: 0.8; }
    .header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
    .user-name { font-size: 13px; color: var(--text-secondary); }
    .logout-btn {
      padding: 4px 10px; font-size: 11px;
      background: transparent; border: 1px solid var(--primary);
      color: var(--primary); border-radius: 4px;
      cursor: pointer; text-transform: uppercase;
      letter-spacing: 0.5px; font-weight: 700;
      font-family: inherit; transition: all 0.2s;
    }
    .logout-btn:hover { background: var(--primary); color: #0b0b0c; }
    .auth-user-info { display: flex; align-items: center; gap: 12px; }

    /* ===== SIDE MENU ===== */
    .side-menu-backdrop {
      position: fixed; inset: 0;
      background: rgba(0,0,0,0.55);
      opacity: 0; pointer-events: none;
      transition: opacity 0.2s;
      z-index: 199;
    }
    .side-menu-backdrop.open { opacity: 1; pointer-events: auto; }
    .side-menu {
      position: fixed; top: 0; left: 0; bottom: 0;
      width: 320px; max-width: 88vw;
      background: var(--bg-card);
      border-right: 1px solid var(--border);
      transform: translateX(-100%);
      transition: transform 0.25s ease;
      z-index: 200;
      display: flex; flex-direction: column;
      box-shadow: 4px 0 24px rgba(0,0,0,0.45);
    }
    .side-menu.open { transform: translateX(0); }
    .side-menu-header {
      display: flex; align-items: center; gap: 12px;
      padding: 18px 16px;
      border-bottom: 1px solid var(--border);
      background: var(--bg-dark);
    }
    .side-menu-brand { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
    .side-menu-logo  { width: 36px; height: 36px; object-fit: contain; }
    .side-menu-eyebrow {
      font-size: 10px; letter-spacing: 0.18em;
      text-transform: uppercase; color: var(--text-secondary);
      font-weight: 500;
    }
    .side-menu-user {
      font-size: 14px; font-weight: 600; color: var(--text-primary);
      margin-top: 2px;
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .side-menu-close {
      background: transparent; border: none;
      color: var(--text-dim); cursor: pointer;
      font-size: 24px; line-height: 1;
      padding: 4px 8px; border-radius: 4px;
      transition: color 0.15s, background 0.15s;
    }
    .side-menu-close:hover { color: var(--text-primary); background: var(--bg-input); }
    .side-menu-section-label {
      font-size: 10px; letter-spacing: 0.16em;
      text-transform: uppercase; color: var(--text-dim);
      font-weight: 600;
      padding: 14px 14px 6px;
    }
    .side-menu-items { flex: 1; overflow-y: auto; padding: 4px 8px 12px; }
    .side-menu-item {
      display: flex; align-items: center; gap: 12px;
      padding: 10px 10px;
      text-decoration: none; color: var(--text-secondary);
      border-radius: 8px;
      transition: background 0.1s, color 0.1s;
    }
    .side-menu-item + .side-menu-item { margin-top: 2px; }
    .side-menu-item:hover { background: var(--bg-input); color: var(--text-primary); }
    .side-menu-item.current { background: var(--primary-soft); color: var(--primary); cursor: default; }
    .side-menu-item.current:hover { background: var(--primary-soft); }
    .side-menu-item-icon {
      width: 36px; height: 36px;
      display: inline-flex; align-items: center; justify-content: center;
      border-radius: 8px;
      background: var(--bg-input);
      flex-shrink: 0;
      color: var(--text-secondary);
      transition: background 0.1s, color 0.1s;
    }
    .side-menu-item:hover .side-menu-item-icon {
      background: rgba(255,255,255,0.05);
      color: var(--text-primary);
    }
    .side-menu-item.current .side-menu-item-icon {
      background: var(--primary);
      color: var(--bg-dark);
    }
    .side-menu-item-text { flex: 1; min-width: 0; }
    .side-menu-item-title { font-size: 14px; font-weight: 600; line-height: 1.2; }
    .side-menu-item-desc  { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
    .side-menu-item.current .side-menu-item-desc { color: var(--primary-dim); }
    .side-menu-footer {
      padding: 12px 14px;
      border-top: 1px solid var(--border);
      display: flex; gap: 8px;
    }
    .side-menu-footer .side-menu-foot-btn {
      flex: 1;
      background: transparent; border: 1px solid var(--border);
      color: var(--text-secondary);
      padding: 8px 10px; border-radius: 6px;
      font-size: 12px; font-family: inherit;
      cursor: pointer;
      transition: color 0.15s, border-color 0.15s, background 0.15s;
    }
    .side-menu-footer .side-menu-foot-btn:hover {
      color: var(--text-primary);
      border-color: var(--text-dim);
      background: var(--bg-input);
    }
    .side-menu-footer .side-menu-foot-btn.danger { color: var(--red); border-color: var(--red); }
    .side-menu-footer .side-menu-foot-btn.danger:hover { background: rgba(255,107,107,0.08); }
    @media (max-width: 640px) { .side-menu { width: 88vw; } }

    /* ===== NAV TABS (Add Mark | Overview) ===== */
    .nav-wrap {
      display: flex; align-items: stretch;
      border-bottom: 1px solid var(--border);
      background: var(--bg-dark);
    }
    .nav {
      display: flex; gap: 0; padding: 0 16px;
      background: var(--bg-dark);
      overflow-x: auto; scrollbar-width: none;
      flex: 1; min-width: 0;
    }
    .nav::-webkit-scrollbar { display: none; }
    .nav-tab {
      padding: 10px 16px; cursor: pointer; color: var(--text-dim);
      font-size: 13px;
      border-bottom: 2px solid transparent; transition: all 0.15s;
      white-space: nowrap; user-select: none;
      text-decoration: none;
    }
    .nav-tab:hover { color: var(--text-primary); }
    .nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

    /* ===== CONTENT ===== */
    .content { padding: 22px 24px; max-width: 100%; margin: 0 auto; }
    .panel { display: none; }
    .panel.active { display: block; }
    .page-title {
      font-size: 22px; font-weight: 600; letter-spacing: -0.01em;
      color: var(--text-primary); margin-bottom: 4px;
    }
    .page-subtitle {
      font-size: 13px; color: var(--text-secondary); margin-bottom: 22px;
    }
    .section-header {
      font-size: 13px; font-weight: 600; letter-spacing: 0.06em;
      text-transform: uppercase; color: var(--text-secondary);
      margin: 24px 0 12px; display: flex; align-items: center; gap: 10px;
    }
    .section-header::after { content: ''; flex: 1; height: 1px; background: var(--border); }

    /* ===== AUTH OVERLAY ===== */
    .auth-overlay {
      position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: var(--bg-dark); z-index: 9999;
      display: flex; align-items: center; justify-content: center;
    }
    .auth-loading-bar {
      display: none;
      width: 240px; height: 3px;
      background: rgba(255,255,255,0.06);
      border-radius: 2px; overflow: hidden;
      position: relative;
    }
    .auth-loading-bar::after {
      content: '';
      position: absolute; top: 0; left: 0;
      height: 100%; width: 35%;
      background: var(--primary, #7e4cbc);
      border-radius: 2px;
      animation: authLoadSlide 1.1s ease-in-out infinite;
    }
    html.auth-loading .auth-card { display: none; }
    html.auth-loading .auth-loading-bar { display: block; }
    @keyframes authLoadSlide {
      0%   { transform: translateX(-100%); }
      100% { transform: translateX(370%); }
    }
    .auth-card {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 12px; padding: 40px;
      max-width: 420px; width: 90%; text-align: center;
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    }
    .auth-title { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
    .auth-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
    .auth-input {
      width: 100%; padding: 12px 16px;
      background: var(--bg-input); border: 1px solid var(--border);
      border-radius: 6px; color: var(--text-primary);
      font-size: 15px; margin-bottom: 16px; outline: none;
      font-family: inherit;
    }
    .auth-input:focus { border-color: var(--primary); }
    .auth-btn {
      width: 100%; padding: 12px;
      background: var(--primary); color: #0b0b0c;
      font-weight: 700; font-size: 15px; border: none;
      border-radius: 6px; cursor: pointer; font-family: inherit;
    }
    .auth-btn:hover { opacity: 0.9; }
    .auth-btn:disabled { opacity: 0.5; cursor: not-allowed; }
    .auth-error { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 20px; }
    .auth-privacy { margin-top: 20px; font-size: 12px; color: var(--text-secondary); line-height: 1.5; }

    /* ===== DENIED BLOCK (uniform WMD/BYND styling) ===== */
    .denied-block { padding: 32px 16px; max-width: 480px; margin: 32px auto; text-align: center; color: var(--text-secondary); }
    .denied-block h2 { color: var(--text-primary); font-size: 18px; margin: 0 0 10px; font-weight: 600; }
    .denied-block p { font-size: 13px; line-height: 1.5; margin: 0 0 16px; }

    /* ===== BASIC FORM CONTROLS ===== */
    .control-label {
      font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--text-secondary); font-weight: 600;
    }
    .input {
      background: var(--bg-input); border: 1px solid var(--border);
      border-radius: 6px; padding: 8px 12px;
      color: var(--text-primary); font-size: 13px;
      font-family: inherit; outline: none;
    }
    .field > .input,
    .field .typeahead .input { width: 100%; }
    .input:focus { border-color: var(--primary); }
    .input::placeholder { color: var(--text-muted); }

    .btn {
      background: var(--primary); color: var(--bg-dark);
      border: none; padding: 8px 16px; border-radius: 6px;
      font-size: 13px; font-weight: 700; cursor: pointer;
      text-transform: uppercase; letter-spacing: 0.5px;
      transition: all 0.2s; font-family: inherit;
    }
    .btn:hover { background: var(--primary-dim); }
    .btn:disabled { opacity: 0.5; cursor: not-allowed; }
    .btn-outline {
      background: transparent; border: 1px solid var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover { background: var(--primary-soft); color: var(--primary); }

    /* ===== SUBMISSION FORM (page 1) ===== */
    .submit-form {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 24px;
      max-width: 720px;
    }
    .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
    .field-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
    .field-row > .field { flex: 1; min-width: 200px; margin-bottom: 0; }

    /* Member typeahead (combobox) */
    .typeahead { position: relative; }
    .typeahead-list {
      display: none;
      position: absolute; top: calc(100% + 4px); left: 0; right: 0;
      max-height: 240px; overflow-y: auto;
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 6px; z-index: 100;
      box-shadow: 0 6px 20px rgba(0,0,0,0.5);
    }
    .typeahead-list.open { display: block; }
    .typeahead-item {
      padding: 8px 12px; cursor: pointer;
      font-size: 13px; color: var(--text-primary);
      display: flex; justify-content: space-between; gap: 12px;
    }
    .typeahead-item:hover, .typeahead-item.highlight { background: var(--bg-input); }
    .typeahead-item-id {
      font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
    }
    .typeahead-empty { padding: 10px 12px; font-size: 12px; color: var(--text-muted); }

    /* Slash / Strike segmented toggle — buttons split the container equally */
    .seg-toggle { display: flex; background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; padding: 3px; gap: 3px; }
    .seg-btn {
      flex: 1;
      padding: 8px 18px; font-size: 13px; font-weight: 600; font-family: inherit;
      background: transparent; color: var(--text-secondary); border: none; border-radius: 4px;
      cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 6px;
      transition: background 0.12s, color 0.12s;
    }
    .seg-btn:hover { color: var(--text-primary); }
    .seg-btn .seg-glyph { font-family: var(--font-mono); font-weight: 700; }
    .seg-btn.active[data-type="slash"]  { background: var(--amber-soft); color: var(--amber); }
    .seg-btn.active[data-type="strike"] { background: var(--red-soft);   color: var(--red); }

    .textarea {
      background: var(--bg-input); border: 1px solid var(--border);
      border-radius: 6px; padding: 10px 12px;
      color: var(--text-primary); font-size: 13px; font-family: inherit;
      outline: none; resize: vertical; min-height: 80px;
    }
    .textarea:focus { border-color: var(--primary); }
    .textarea::placeholder { color: var(--text-muted); }
    .required-note { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
    .required-note.warn { color: var(--amber); }

    .submit-row { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
    .form-status { font-size: 12px; color: var(--text-muted); }
    .form-status.success { color: var(--teal); }
    .form-status.error { color: var(--red); }

    .date-override { margin-left: auto; display: inline-flex; align-items: center; gap: 2px; }
    .date-hidden-input {
      position: absolute; opacity: 0;
      width: 1px; height: 1px;
      pointer-events: none;
    }
    .date-icon-btn {
      display: inline-flex; align-items: center; gap: 6px;
      background: transparent; border: none;
      padding: 4px 8px; border-radius: 6px;
      color: var(--text-secondary); cursor: pointer;
      font-size: 12px; font-family: inherit;
    }
    .date-icon-btn:hover { color: var(--text-primary); background: var(--bg-input); }
    .date-icon-btn.has-override { color: var(--primary); font-weight: 600; }
    .date-icon-btn svg { flex-shrink: 0; }
    .date-clear {
      background: transparent; border: none;
      color: var(--text-muted); cursor: pointer;
      font-size: 16px; line-height: 1; padding: 0 6px;
    }
    .date-clear:hover { color: var(--text-primary); }
    /* Super_admin: the date itself is the click target to edit it. */
    .date-edit-text {
      background: transparent; border: none; padding: 0;
      font: inherit; color: inherit; letter-spacing: inherit;
      cursor: pointer;
    }
    .date-edit-text:hover {
      color: var(--primary);
      text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px;
    }

    /* ===== RECENT ACTIVITY FEED (page 1) ===== */
    .feed-table {
      width: 100%; border-collapse: collapse; font-size: 12px;
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
      overflow: hidden;
    }
    .feed-table thead th {
      text-align: left; padding: 10px 12px;
      color: var(--text-secondary); font-size: 10px;
      text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
      border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.02);
      white-space: nowrap;
    }
    .feed-table tbody td {
      padding: 10px 12px; vertical-align: middle;
      border-bottom: 1px solid var(--border); white-space: nowrap;
    }
    .feed-table tbody tr:last-child td { border-bottom: none; }
    .feed-table tbody tr:hover td { background: var(--bg-card-hover); }
    .feed-table td.notes-cell {
      max-width: 360px; overflow: hidden; text-overflow: ellipsis;
      color: var(--text-secondary);
    }
    .feed-table td.date-cell { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); }

    /* ===== MATRIX TABLE (page 2 overview) ===== */
    .toolbar {
      display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
      margin-bottom: 18px;
    }
    .toolbar .input { min-width: 200px; }
    .seg-toolbar { display: inline-flex; background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; padding: 3px; gap: 3px; }
    .seg-toolbar-btn {
      padding: 6px 14px; font-size: 12px; font-weight: 600; font-family: inherit;
      background: transparent; color: var(--text-secondary); border: none; border-radius: 4px;
      cursor: pointer; transition: background 0.12s, color 0.12s;
    }
    .seg-toolbar-btn:hover { color: var(--text-primary); }
    .seg-toolbar-btn.active { background: var(--primary-soft); color: var(--primary); }
    .seg-toolbar-symbols .seg-toolbar-btn {
      font-family: var(--font-mono);
      min-width: 36px; text-align: center;
    }

    .matrix-wrap {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: auto;
      max-height: 70vh;
      max-width: 100%;
    }
    .matrix-table {
      width: 100%; border-collapse: collapse;
      font-size: 12px; min-width: 600px;
    }
    .matrix-table thead th {
      position: sticky; top: 0; z-index: 3;
      padding: 10px 12px;
      color: var(--text-secondary); font-size: 10px;
      text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
      border-bottom: 1px solid var(--border);
      background: var(--bg-card);
      white-space: nowrap;
      text-align: center;
    }
    /* Top-left + top-aggregate cells are sticky in BOTH directions; raise
       their z-index above the regular sticky-top thead cells. */
    .matrix-table thead th.name-col,
    .matrix-table thead th.agg-col { z-index: 4; }
    .matrix-table thead th.name-col,
    .matrix-table thead th.agg-col { text-align: left; }
    .matrix-table tbody td {
      padding: 10px 12px;
      border-bottom: 1px solid var(--border);
      text-align: center;
      vertical-align: middle;
    }
    .matrix-table tbody tr:last-child > td { border-bottom: none; }

    /* Sticky member name + aggregate columns */
    .matrix-table th.name-col, .matrix-table td.name-col {
      position: sticky; left: 0; z-index: 2;
      background: var(--bg-card);
      text-align: left; min-width: 180px;
      border-right: 1px solid var(--border);
    }
    .matrix-table tbody tr:hover > td.name-col { background: var(--bg-card-hover); }
    .matrix-table th.agg-col, .matrix-table td.agg-col {
      position: sticky; left: 180px; z-index: 2;
      background: var(--bg-card);
      text-align: left; min-width: 110px;
      border-right: 2px solid var(--border);
    }
    .matrix-table tbody tr:hover > td.agg-col { background: var(--bg-card-hover); }
    .matrix-table tbody tr:hover > td:not(.name-col):not(.agg-col) { background: rgba(255,255,255,0.02); }

    .matrix-table th.spacer-col, .matrix-table td.spacer-col {
      width: 100%;
      background: var(--bg-card);
      padding: 0;
    }
    .matrix-table tbody tr:hover > td.spacer-col { background: rgba(255,255,255,0.02); }

    .member-name-btn {
      background: transparent; border: none; padding: 0;
      color: var(--text-primary); font-size: 13px; font-weight: 600;
      cursor: pointer; font-family: inherit;
      display: inline-flex; align-items: center; gap: 6px;
      text-align: left;
    }
    .member-name-btn .chev {
      display: inline-block; color: var(--text-muted); font-size: 10px;
      transition: transform 0.15s;
    }
    .member-name-btn.expanded .chev { transform: rotate(90deg); color: var(--primary); }
    .member-name-btn:hover { color: var(--primary); }
    .member-name-btn.ex { color: var(--text-muted); }
    .member-name-btn.ex:hover { color: var(--text-secondary); }
    .member-id {
      font-family: var(--font-mono); font-size: 10px; color: var(--text-muted);
      font-weight: 400; margin-left: 4px;
    }

    /* Mark count pills */
    .pill-group { display: inline-flex; gap: 6px; align-items: center; }
    .mark-pill {
      display: inline-flex; align-items: center; gap: 4px;
      padding: 2px 8px; border-radius: 10px;
      font-size: 11px; font-weight: 700;
      font-family: var(--font-mono); letter-spacing: 0.02em;
      white-space: nowrap; flex-shrink: 0;
    }
    .mark-pill.slash  { background: var(--amber-soft); color: var(--amber); }
    .mark-pill.strike { background: var(--red-soft);   color: var(--red); }
    .agg-col .mark-pill { font-size: 12px; padding: 3px 9px; }
    .empty-cell { color: var(--text-muted); font-size: 13px; }
    .matrix-table td.agg-col .empty-cell { display: block; text-align: center; }

    tr.subrow > td.subrow-full {
      background: rgba(255,255,255,0.018);
      border-bottom: 1px solid var(--border);
      padding: 8px 16px 8px 24px;
      font-size: 12px;
      text-align: left;
      vertical-align: middle;
    }
    .subrow-content {
      display: grid;
      grid-template-columns:
        minmax(80px,  1fr)
        minmax(40px,  0.5fr)
        minmax(200px, 1fr)
        minmax(180px, 4fr)
        minmax(110px, 1.2fr)
        minmax(110px, 1.2fr);
      gap: 16px; align-items: center;
    }
    tr.subrow .subrow-date    { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); white-space: nowrap; }
    tr.subrow .subrow-type    { white-space: nowrap; }
    tr.subrow .subrow-reason  { color: var(--text-primary); }
    tr.subrow .subrow-notes   { color: var(--text-secondary); min-width: 0; }
    tr.subrow .subrow-by      { color: var(--text-dim); font-size: 11px; white-space: nowrap; }
    tr.subrow .subrow-actions { white-space: nowrap; justify-self: end; }
    tr.subrow-header .subrow-actions { justify-self: end; }
    .edit-btn:disabled, .delete-btn:disabled {
      opacity: 0.35; cursor: not-allowed;
    }
    .edit-btn:disabled:hover {
      background: transparent; color: var(--text-secondary); border-color: var(--border);
    }
    .delete-btn:disabled:hover { background: transparent; color: var(--red); }
    /* Narrow viewports: collapse to single-column stack so nothing overflows. */
    @media (max-width: 900px) {
      .subrow-content {
        grid-template-columns: auto 1fr;
        grid-template-areas:
          "date    type"
          "reason  reason"
          "notes   notes"
          "by      actions";
        column-gap: 10px; row-gap: 6px;
        align-items: center;
      }
      .subrow-content .subrow-date    { grid-area: date; }
      .subrow-content .subrow-type    { grid-area: type; justify-self: start; }
      .subrow-content .subrow-reason  { grid-area: reason; font-weight: 600; }
      .subrow-content .subrow-notes   { grid-area: notes; }
      .subrow-content .subrow-by      { grid-area: by; }
      .subrow-content .subrow-actions { grid-area: actions; justify-self: end; }
      tr.subrow > td.subrow-full { padding: 12px 16px; }
      tr.subrow-header { display: none; }
    }
    tr.subrow-header > td {
      background: var(--bg-input);
      padding: 6px 16px 6px 24px;
      font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em;
      color: var(--text-muted); font-weight: 600;
      border-bottom: 1px solid var(--border);
      text-align: left;
    }
    tr.subrow-header .subrow-content { gap: 16px; }
    tr.subrow-header .subrow-content > span { color: var(--text-muted); }
    tr.subrow-empty > td {
      background: rgba(255,255,255,0.02);
      padding: 16px 12px; text-align: center;
      font-size: 12px; color: var(--text-muted);
      border-bottom: 1px solid var(--border);
    }

    /* Small grey edit/save button (matches manage-users remove-btn vibe) */
    .edit-btn {
      font-size: 11px; padding: 3px 10px;
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text-secondary); border-radius: 4px;
      cursor: pointer; font-family: inherit;
      transition: color .12s, border-color .12s, background .12s;
    }
    .edit-btn:hover { color: var(--text-primary); border-color: var(--text-dim); background: var(--bg-input); }
    .edit-btn.saving {
      color: var(--primary); border-color: var(--primary);
    }
    .edit-btn.saving:hover { background: var(--primary-soft); }
    .delete-btn {
      font-size: 11px; padding: 3px 10px;
      background: transparent; border: 1px solid var(--red);
      color: var(--red); border-radius: 4px;
      cursor: pointer; font-family: inherit;
      margin-left: 6px;
    }
    .delete-btn:hover { background: var(--red); color: #fff; }
    .edit-textarea {
      width: 100%; min-width: 240px;
      background: var(--bg-card); border: 1px solid var(--primary);
      border-radius: 4px; padding: 6px 8px;
      color: var(--text-primary); font-family: inherit; font-size: 12px;
      outline: none; resize: vertical; min-height: 50px;
    }

    /* Notes search highlight */
    mark.note-hl {
      background: var(--amber-soft); color: var(--amber);
      padding: 0 2px; border-radius: 2px;
    }

    /* Empty state */
    .empty-state {
      padding: 40px 24px; text-align: center;
      color: var(--text-muted); font-size: 13px;
    }

    /* ===== APP MODAL (shared confirm/alert) ===== */
    .app-modal {
      position: fixed; inset: 0;
      background: rgba(0, 0, 0, 0.55);
      display: flex; align-items: center; justify-content: center;
      z-index: 9999;
    }
    .app-modal-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 22px 24px;
      max-width: 460px; width: 90%;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    }
    .app-modal-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
    .app-modal-msg   { font-size: 13px; color: var(--text-secondary); margin-bottom: 18px; line-height: 1.5; }
    .app-modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
    .app-modal-actions button {
      padding: 8px 14px; font-family: inherit;
      font-size: 12px; font-weight: 600;
      background: var(--bg-input); color: var(--text-primary);
      border: 1px solid var(--border); border-radius: 6px;
      cursor: pointer;
    }
    .app-modal-actions button:hover { filter: brightness(1.1); }
    .app-modal-actions .app-modal-primary {
      background: var(--primary); color: var(--bg-card);
      border-color: var(--primary);
    }
    .app-modal-actions .app-modal-danger {
      background: var(--red); color: #fff;
      border-color: var(--red);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 768px) {
      .header { padding: 12px 14px; gap: 10px; }
      .header-eyebrow { display: none; }
      .header-title { font-size: 14px; }
      .nav { padding: 0 8px; }
      .nav-tab { padding: 13px 14px; font-size: 12.5px; }
      .content { padding: 16px 14px; }
      .page-title { font-size: 18px; }
      .submit-form { padding: 18px; }
      .matrix-table th.name-col, .matrix-table td.name-col { min-width: 140px; }
      .matrix-table th.agg-col, .matrix-table td.agg-col { left: 140px; }
      .feed-table { font-size: 11px; }
      .feed-table thead th, .feed-table tbody td { padding: 8px; }
      .feed-table td.notes-cell { max-width: 180px; }
    }
    @media (max-width: 480px) {
      .nav-tab { padding: 11px 11px; font-size: 11.5px; }
      .toolbar { gap: 8px; }
      .toolbar .input { min-width: 140px; flex: 1; }
    }