:root{
    color-scheme: light;
    --surface-0:#f4f5f3;
    --surface-1:#fcfcfb;
    --surface-2:#ffffff;
    --border:#e1e2dd;
    --border-strong:#c8cac2;
    --text-primary:#0b0b0b;
    --text-secondary:#52514e;
    --text-muted:#7a7a75;
    --brand:#2a78d6;
    --brand-dark:#1c4f8f;
    --good:#0ca30c;
    --good-bg:#e6f6e6;
    --warning:#fab219;
    --warning-bg:#fef3dc;
    --serious:#ec835a;
    --serious-bg:#fde8de;
    --critical:#d03b3b;
    --critical-bg:#fbe4e4;
    --neutral:#7a7a75;
    --neutral-bg:#ececea;
    --radius:10px;
    --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.05);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background:var(--surface-0);
    color:var(--text-primary);
    line-height:1.5;
  }
  a{color:var(--brand);}

  header.app-header{
    background: linear-gradient(135deg, var(--brand-dark), var(--brand));
    color:#fff;
    padding: 28px 24px 22px;
  }
  .header-inner{max-width:1080px;margin:0 auto;}
  header.app-header h1{
    margin:0 0 6px 0;
    font-size:1.55rem;
    font-weight:700;
    letter-spacing:-0.01em;
  }
  header.app-header p.subtitle{
    margin:0;
    font-size:0.98rem;
    color:rgba(255,255,255,0.88);
    max-width:760px;
  }
  .meta-strip{
    max-width:1080px;margin:16px auto 0;
    display:flex; flex-wrap:wrap; gap:10px 22px;
    font-size:0.82rem;
    color:rgba(255,255,255,0.85);
  }
  .meta-strip b{color:#fff; font-weight:600;}

  main{max-width:1080px; margin:0 auto; padding:22px 24px 60px;}

  .tabs{
    display:flex; gap:4px; border-bottom:1px solid var(--border-strong); margin-bottom:20px;
  }
  .tab-btn{
    appearance:none; border:none; background:transparent; cursor:pointer;
    padding:10px 16px; font-size:0.92rem; font-weight:600; color:var(--text-secondary);
    border-bottom:3px solid transparent; margin-bottom:-1px;
  }
  .tab-btn.active{ color:var(--brand-dark); border-bottom-color:var(--brand); }
  .tab-btn:hover{ color:var(--brand-dark); }

  .panel{display:none;}
  .panel.active{display:block;}

  .card{
    background:var(--surface-2);
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:20px;
    margin-bottom:18px;
  }

  .search-row{ display:flex; gap:10px; position:relative; }
  #searchInput{
    flex:1; padding:12px 14px; font-size:1rem; border:1.5px solid var(--border-strong);
    border-radius:8px; outline:none; background:var(--surface-1);
  }
  #searchInput:focus{ border-color:var(--brand); box-shadow:0 0 0 3px rgba(42,120,214,0.15); }
  #searchBtn{
    padding:12px 20px; font-size:0.95rem; font-weight:600; color:#fff;
    background:var(--brand); border:none; border-radius:8px; cursor:pointer;
  }
  #searchBtn:hover{ background:var(--brand-dark); }

  .search-hint{ font-size:0.82rem; color:var(--text-muted); margin-top:8px; }

  .autocomplete{
    position:absolute; top:calc(100% + 4px); left:0; right:96px;
    background:var(--surface-2); border:1px solid var(--border-strong);
    border-radius:8px; box-shadow:var(--shadow); max-height:320px; overflow-y:auto;
    z-index:20; display:none;
  }
  .autocomplete.show{display:block;}
  .ac-item{ padding:9px 12px; cursor:pointer; font-size:0.9rem; display:flex; align-items:center; justify-content:flex-start; gap:10px; text-align:left; }
  .ac-item:hover, .ac-item.hi{ background:var(--surface-0); }
  .ac-item .ac-type{ flex:none; font-size:0.72rem; font-weight:700; color:var(--brand-dark); background:#eaf1fb; padding:2px 6px; border-radius:5px; white-space:nowrap; }
  .ac-item .ac-label{ flex:1 1 auto; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-align:left; }
  .ac-item .ac-sub{ flex:none; color:var(--text-muted); font-size:0.78rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:220px; text-align:right; }

  #resultArea{ min-height:40px; }
  .empty-state{ color:var(--text-muted); font-size:0.95rem; padding:10px 2px; }

  .id-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap:14px; margin-bottom:4px; }
  .id-block .id-label{ font-size:0.72rem; text-transform:uppercase; letter-spacing:0.04em; color:var(--text-muted); margin-bottom:3px; font-weight:600; }
  .id-block .id-value{ font-size:1.02rem; font-weight:600; color:var(--text-primary); word-break:break-word; }
  .id-block .id-value .alt{ display:block; font-size:0.82rem; font-weight:400; color:var(--text-secondary); }

  .status-line{
    margin-top:14px; padding:12px 14px; border-radius:8px; font-size:0.92rem; display:flex; align-items:flex-start; gap:10px;
  }
  .status-line.status-ok{ background:var(--good-bg); color:#0a5c0a; }
  .status-line.status-flag{ background:var(--critical-bg); color:#8a2020; }
  .status-line b{font-weight:700;}

  .reg-block{ margin-top:18px; border-top:1px solid var(--border); padding-top:14px; }
  .reg-title{ font-size:0.95rem; font-weight:700; color:var(--text-primary); margin-bottom:2px; }
  .reg-sub{ font-size:0.8rem; color:var(--text-muted); margin-bottom:10px; }

  table.ep-table{ width:100%; border-collapse:collapse; font-size:0.88rem; }
  table.ep-table th{
    text-align:left; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.03em;
    color:var(--text-muted); font-weight:700; padding:6px 10px; border-bottom:1.5px solid var(--border-strong);
    position:sticky; top:0; background:var(--surface-2);
  }
  table.ep-table td{ padding:9px 10px; border-bottom:1px solid var(--border); vertical-align:top; }
  table.ep-table tr:hover td{ background:var(--surface-0); }
  table.ep-table td.col-remark, table.ep-table td.col-rational{ font-size:0.83rem; color:var(--text-secondary); max-width:260px; white-space:normal; }
  table.ep-table th.col-remark, table.ep-table th.col-rational{ min-width:180px; }
  .ep-name{ font-weight:600; color:var(--text-primary); }
  .ep-code{ color:var(--text-muted); font-weight:400; }
  .ep-date{ white-space:nowrap; font-variant-numeric:tabular-nums; }
  .ep-date.never{ color:var(--text-muted); font-style:italic; }
  .curr-tag{ display:inline-block; margin-top:3px; font-size:0.68rem; font-weight:700; text-transform:uppercase; letter-spacing:0.03em; padding:1px 6px; border-radius:4px; }
  .curr-tag.outdated{ background:var(--critical-bg); color:#8a2020; }
  .curr-tag.current{ background:var(--good-bg); color:#0a5c0a; }
  .empty-cell{ color:var(--text-muted); }

  .filter-row{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-top:14px; }
  .filter-row .filter-label{ font-size:0.8rem; color:var(--text-secondary); font-weight:600; }
  .segmented{ display:inline-flex; border:1.5px solid var(--border-strong); border-radius:8px; overflow:hidden; }
  .segmented button{ appearance:none; border:none; background:var(--surface-2); color:var(--text-secondary); font-size:0.82rem; font-weight:600; padding:7px 13px; cursor:pointer; border-right:1px solid var(--border-strong); }
  .segmented button:last-child{ border-right:none; }
  .segmented button.active{ background:var(--brand); color:#fff; }
  .segmented button:not(.active):hover{ background:var(--surface-0); }

  .use-toggle-row{ margin-top:12px; }
  .use-toggle-btn{
    display:inline-flex; align-items:center; gap:6px; padding:8px 13px; font-size:0.84rem; font-weight:600;
    color:var(--brand-dark); background:#eaf1fb; border:1px solid #cfe0f5; border-radius:7px; cursor:pointer;
  }
  .use-toggle-btn:hover{ background:#dceafb; }
  .use-section{ margin-top:12px; padding-top:10px; border-top:1px dashed var(--border-strong); }
  .use-section.hidden{ display:none; }

  .batch-label{ font-size:0.88rem; color:var(--text-secondary); margin-bottom:10px; }
  #batchInput{
    width:100%; padding:12px 14px; font-size:0.92rem; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    border:1.5px solid var(--border-strong); border-radius:8px; background:var(--surface-1); resize:vertical; outline:none;
  }
  #batchInput:focus{ border-color:var(--brand); box-shadow:0 0 0 3px rgba(42,120,214,0.15); }
  .btn-primary{
    padding:10px 18px; font-size:0.9rem; font-weight:700; color:#fff; background:var(--brand);
    border:none; border-radius:8px; cursor:pointer; white-space:nowrap;
  }
  .btn-primary:hover{ background:var(--brand-dark); }

  .status-chip{ display:inline-flex; align-items:center; gap:5px; padding:3px 9px; border-radius:20px; font-size:0.76rem; font-weight:700; white-space:nowrap; }
  .status-chip .dot{ width:7px; height:7px; border-radius:50%; flex:none; }
  .status-chip.st-review{ background:var(--critical-bg); color:#8a2020; }
  .status-chip.st-review .dot{ background:var(--critical); }
  .status-chip.st-ok{ background:var(--good-bg); color:#0a5c0a; }
  .status-chip.st-ok .dot{ background:var(--good); }
  .status-chip.st-notfound{ background:var(--neutral-bg); color:#4a4a47; }
  .status-chip.st-notfound .dot{ background:var(--neutral); }

  table.batch-table{ width:100%; border-collapse:collapse; font-size:0.87rem; }
  table.batch-table th{ text-align:left; padding:8px 10px; font-size:0.72rem; text-transform:uppercase; color:var(--text-muted); border-bottom:1.5px solid var(--border-strong); }
  table.batch-table td{ padding:8px 10px; border-bottom:1px solid var(--border); vertical-align:top; }
  table.batch-table tr.batch-notfound td{ color:var(--text-muted); }
  .batch-view-btn{
    padding:5px 11px; font-size:0.78rem; font-weight:600; color:var(--brand-dark);
    background:#eaf1fb; border:1px solid #cfe0f5; border-radius:6px; cursor:pointer;
  }
  .batch-view-btn:hover{ background:#dceafb; }
  .batch-view-btn:disabled{ opacity:0.4; cursor:default; }

  .badge{
    display:inline-flex; align-items:center; gap:5px; padding:3px 9px; border-radius:20px;
    font-size:0.78rem; font-weight:700; white-space:nowrap;
  }
  .badge .dot{ width:7px; height:7px; border-radius:50%; flex:none; }
  .badge.b-good{ background:var(--good-bg); color:#0a5c0a; }
  .badge.b-good .dot{ background:var(--good); }
  .badge.b-warning{ background:var(--warning-bg); color:#8a5a06; }
  .badge.b-warning .dot{ background:var(--warning); }
  .badge.b-serious{ background:var(--serious-bg); color:#8a3616; }
  .badge.b-serious .dot{ background:var(--serious); }
  .badge.b-critical{ background:var(--critical-bg); color:#8a2020; }
  .badge.b-critical .dot{ background:var(--critical); }
  .badge.b-neutral{ background:var(--neutral-bg); color:#4a4a47; }
  .badge.b-neutral .dot{ background:var(--neutral); }
  .rel-detail{ display:block; font-size:0.76rem; color:var(--text-muted); margin-top:3px; max-width:340px; }

  .toolbar{ display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:16px; flex-wrap:wrap; }
  .count-pill{ font-size:0.82rem; color:var(--text-secondary); }
  .btn-secondary{
    padding:8px 14px; font-size:0.84rem; font-weight:600; color:var(--brand-dark);
    background:#eaf1fb; border:1px solid #cfe0f5; border-radius:7px; cursor:pointer;
  }
  .btn-secondary:hover{ background:#dceafb; }

  .stat-tiles{ display:grid; grid-template-columns:repeat(auto-fit, minmax(150px,1fr)); gap:12px; margin-bottom:20px; }
  .stat-tile{ background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius); padding:14px 16px; box-shadow:var(--shadow); }
  .stat-tile .num{ font-size:1.5rem; font-weight:800; color:var(--brand-dark); line-height:1.1; }
  .stat-tile .lbl{ font-size:0.78rem; color:var(--text-secondary); margin-top:4px; }

  .browse-controls{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px; align-items:center; }
  .browse-controls input[type=text]{ flex:1; min-width:200px; padding:10px 12px; border:1.5px solid var(--border-strong); border-radius:8px; font-size:0.92rem; }
  select{ padding:10px 12px; border:1.5px solid var(--border-strong); border-radius:8px; font-size:0.88rem; background:var(--surface-1); }

  table.browse-table{ width:100%; border-collapse:collapse; font-size:0.87rem; }
  table.browse-table th{ text-align:left; padding:8px 10px; font-size:0.72rem; text-transform:uppercase; color:var(--text-muted); border-bottom:1.5px solid var(--border-strong); cursor:pointer; user-select:none; }
  table.browse-table th:hover{ color:var(--brand-dark); }
  table.browse-table td{ padding:8px 10px; border-bottom:1px solid var(--border); }
  table.browse-table tr.row-click{ cursor:pointer; }
  table.browse-table tr.row-click:hover td{ background:var(--surface-0); }
  .sort-arrow{ font-size:0.7rem; margin-left:3px; }
  .pager{ display:flex; gap:8px; justify-content:center; margin-top:14px; align-items:center; font-size:0.85rem; }
  .pager button{ padding:6px 12px; border:1px solid var(--border-strong); background:var(--surface-2); border-radius:6px; cursor:pointer; }
  .pager button:disabled{ opacity:0.4; cursor:default; }

  footer{ max-width:1080px; margin:0 auto 40px; padding:0 24px; color:var(--text-muted); font-size:0.8rem; }
  footer .foot-card{ border-top:1px solid var(--border); padding-top:16px; }

  .badge-legend{ display:flex; flex-wrap:wrap; gap:10px 18px; font-size:0.78rem; color:var(--text-secondary); margin-top:10px; }
  .badge-legend .item{ display:flex; align-items:center; gap:6px; }
  .badge-legend .dot{ width:8px; height:8px; border-radius:50%; }

  @media (max-width:640px){
    .search-row{ flex-direction:column; }
    #searchBtn{ width:100%; }
    .autocomplete{ right:0; }
  }