:root {
      --bg: #f5f7f7;
      --card: #ffffff;
      --text: #172b31;
      --muted: #687a80;
      --line: #e5ebec;
      --accent: #087d85;
      --accent-soft: #e6f3f2;
      --warn: #9d6825;
      --warn-soft: #f6efe4;
      --danger: #b42318;
      --danger-soft: #fef2f2;
      --radius: 16px;
      --shadow: 0 6px 24px rgba(31, 58, 62, 0.045);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    [hidden] { display: none !important; }
    body {
      font: 400 13px/1.5 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      -webkit-font-smoothing: antialiased;
    }
    button, input, textarea, select { font: inherit; color: inherit; }
    button { cursor: pointer; }
    a { color: inherit; text-decoration: none; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
      outline: 3px solid #89c9c8;
      outline-offset: 3px;
    }
    .icon {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
      flex: none;
    }
    .app {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 248px minmax(0, 1fr);
    }
    .sidebar {
      background: var(--card);
      border-right: 1px solid var(--line);
      padding: 28px 16px 20px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .brand {
      font-size: 15px;
      font-weight: 600;
      padding: 4px 12px;
      color: var(--text);
    }
    .nav-label {
      font-size: 11px;
      font-weight: 500;
      color: var(--muted);
      padding: 0 12px;
      margin: 0 0 8px;
    }
    .nav-list {
      display: grid;
      gap: 4px;
    }
    .nav-list a {
      min-height: 42px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 0 12px;
      border-radius: 10px;
      color: var(--text);
      font-weight: 500;
    }
    .nav-list a:not(.active):hover { background: var(--bg); }
    .nav-list a.active { background: var(--accent-soft); color: var(--accent); }
    .sidebar-links {
      margin-top: auto;
      border-top: 1px solid var(--line);
      padding: 16px 12px 0;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 12px;
    }
    .sidebar-links a:hover { color: var(--accent); }

    .content {
      max-width: 1280px;
      width: 100%;
      margin: 0 auto;
      padding: 30px 32px 48px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-width: 0;
    }
    .page-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }
    h1 {
      font-size: 26px;
      line-height: 1.3;
      font-weight: 600;
      letter-spacing: -0.025em;
    }
    h2 {
      font-size: 16px;
      line-height: 1.4;
      font-weight: 500;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .logs-admin-hint {
      font-size: 12px;
      font-weight: 500;
      color: var(--muted);
      background: #eef2f3;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 4px 10px;
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
    }
    .logs-status-banner {
      padding: 11px 14px;
      border-radius: 12px;
      border: 1px solid #fecdca;
      background: var(--danger-soft);
      color: var(--danger);
      font-size: 13px;
      font-weight: 500;
    }
    .logs-status-banner.is-info {
      border-color: #bfe3e0;
      background: var(--accent-soft);
      color: var(--accent);
    }
    .menu.is-disabled summary {
      opacity: 0.6;
      cursor: not-allowed;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow);
    }

    .btn {
      border: 1px solid var(--line);
      background: var(--card);
      color: var(--text);
      border-radius: 10px;
      min-height: 40px;
      padding: 0 14px;
      font-weight: 500;
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      white-space: nowrap;
    }
    .btn:hover { filter: brightness(0.97); }
    .btn.primary {
      background: var(--accent);
      border-color: var(--accent);
      color: #ffffff;
    }
    .btn.secondary {
      background: #ffffff;
    }
    .btn.danger {
      background: var(--danger-soft);
      border-color: #fecdca;
      color: var(--danger);
    }
    .btn-sm {
      min-height: 32px;
      padding: 0 10px;
      font-size: 11px;
      border-radius: 8px;
    }

    .filter-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 14px;
    }
    input[type="text"], textarea, select {
      background: var(--card);
      border: 1px solid var(--line);
      color: var(--text);
      min-height: 40px;
      padding: 8px 12px;
      border-radius: 10px;
      font-size: 13px;
    }

    .menu { position: relative; }
    .menu summary {
      list-style: none;
      cursor: pointer;
    }
    .menu summary::-webkit-details-marker { display: none; }
    .menu-panel {
      position: absolute;
      right: 0;
      top: calc(100% + 6px);
      width: 210px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 10px;
      box-shadow: var(--shadow);
      z-index: 20;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .table-wrap {
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
      font-weight: 400;
    }
    th, td {
      text-align: left;
      padding: 11px 14px;
      border-bottom: 1px solid var(--line);
      vertical-align: top;
    }
    th {
      color: var(--muted);
      font-weight: 500;
      font-size: 12px;
      background: var(--bg);
    }
    tbody tr.log-row { cursor: pointer; }
    tbody tr.log-row:hover td { background: #f9fbfb; }
    tbody tr.log-detail-row { display: none; background: var(--bg); }
    tbody tr.log-detail-row.open { display: table-row; }

    .result-text { font-weight: 500; color: var(--accent); }
    .result-text.warn { color: var(--warn); }
    .result-text.danger { color: var(--danger); }

    .mobile-log-cards { display: none; gap: 8px; }
    .mobile-log-card {
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px;
      background: #ffffff;
      cursor: pointer;
    }
    .mobile-log-line1 {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      font-weight: 500;
    }
    .mobile-log-line2 {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      font-size: 11px;
      color: var(--muted);
      margin-top: 4px;
    }

    details.tech-collapse {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--card);
      padding: 16px 18px;
      box-shadow: var(--shadow);
    }
    details.tech-collapse > summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
    }
    details.tech-collapse > summary::-webkit-details-marker { display: none; }
    details.tech-collapse[open] > summary {
      margin-bottom: 14px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }

    .tech-groups {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 16px;
    }
    .tech-group {
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px;
      background: var(--bg);
      font-size: 11px;
    }
    .tech-group h3 {
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 8px;
    }
    .tech-kv {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      padding: 4px 0;
      border-bottom: 1px solid var(--line);
    }
    .tech-kv:last-child { border-bottom: 0; }

    .tech-sections {
      display: flex;
      flex-direction: column;
      gap: 14px;
      font-size: 11px;
    }
    .subcard {
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 14px;
      background: var(--card);
    }
    .subcard h3 {
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 10px;
    }
    .filter-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 10px;
      align-items: center;
    }
    .scroll-box {
      max-height: 240px;
      overflow-y: auto;
      border: 1px solid var(--line);
      border-radius: 10px;
    }
    code, pre {
      font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
      font-size: 11px;
    }
    pre {
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 10px;
      overflow-x: auto;
      max-height: 180px;
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 20px;
    }
    .kpi-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 16px 20px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .kpi-title {
      font-size: 11px;
      font-weight: 500;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .kpi-val {
      font-size: 20px;
      font-weight: 600;
      color: var(--text);
    }
    .kpi-sub {
      font-size: 11px;
      color: var(--muted);
    }

    .filter-pills {
      display: flex;
      gap: 8px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }
    .filter-pill {
      border-radius: 20px;
      padding: 6px 14px;
      font-size: 12px;
      font-weight: 500;
      transition: all 0.15s ease;
    }
    .filter-pill.active {
      background: var(--accent);
      color: #ffffff;
      border-color: var(--accent);
    }

    .logs-gate-card {
      padding: 24px;
      display: grid;
      gap: 12px;
      max-width: 560px;
    }
    .logs-gate-card h2 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
    }
    .logs-gate-desc {
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.55;
    }
    .logs-gate-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 4px;
    }

    .mobile-nav { display: none; }

    @media (max-width: 900px) {
      .tech-groups { grid-template-columns: 1fr; }
      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 700px) {
      .kpi-grid { grid-template-columns: 1fr; }
      .app { display: block; }
      .sidebar { display: none; }
      .content { padding: 20px 16px 88px; }
      h1 { font-size: 22px; }
      .table-wrap.main-logs-table { display: none; }
      .mobile-log-cards { display: grid; }
      .mobile-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 450;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        background: #ffffff;
        border-top: 1px solid var(--line);
        padding: 6px 4px max(8px, env(safe-area-inset-bottom));
        box-shadow: 0 -3px 16px rgba(31, 58, 62, 0.04);
      }
      .mobile-nav a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        min-height: 47px;
        color: var(--muted);
        font-size: 10px;
        font-weight: 500;
        border-radius: 9px;
        white-space: nowrap;
        overflow: hidden;
      }
      .mobile-nav a.active {
        background: var(--accent-soft);
        color: var(--accent);
      }
      .mobile-nav .icon { width: 18px; height: 18px; }
    }