:root {
    --navy: #0b1f3a;
    --navy-light: #14294d;
    --orange: #e8873a;
    --bg: #0e1524;
    --card: #16203a;
    --card-hover: #1c2947;
    --border: #2a3555;
    --text: #e8ebf2;
    --text-dim: #94a0bd;
    --text-mute: #626e8f;
    --green: #3ecf8e;
    --amber: #f2b53c;
    --red: #ef5d5d;
    --blue: #4c8dff;
    --radius: 10px;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0; font-family: 'IBM Plex Sans', -apple-system, sans-serif;
    background: var(--bg); color: var(--text); min-height: 100vh;
  }
  header {
    background: var(--navy); border-bottom: 1px solid var(--border);
    padding: 20px 32px; display: flex; justify-content: space-between; align-items: center;
  }
  header h1 { font-size: 18px; margin: 0; font-weight: 600; }
  header .sub { color: var(--text-dim); font-size: 13px; margin-top: 2px; }
  .btn-primary {
    background: var(--orange); color: #1a1206; border: none; padding: 10px 18px;
    border-radius: var(--radius); font-weight: 600; font-size: 13px; cursor: pointer;
  }
  .btn-primary:hover { opacity: 0.9; }
  .btn-ghost {
    background: transparent; color: var(--text-dim); border: 1px solid var(--border);
    padding: 8px 14px; border-radius: var(--radius); font-size: 13px; cursor: pointer;
  }
  .btn-ghost:hover { border-color: var(--text-dim); color: var(--text); }
  main { padding: 24px 32px; max-width: 1200px; margin: 0 auto; }

  .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
  .stat-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px;
  }
  .stat-card .label { font-size: 12px; color: var(--text-dim); }
  .stat-card .value { font-size: 26px; font-weight: 600; margin-top: 6px; }
  .stat-card.warn .value { color: var(--amber); }
  .stat-card.danger .value { color: var(--red); }

  .toolbar { display: flex; gap: 10px; margin-bottom: 16px; align-items: center; }
  select, input[type=text] {
    background: var(--card); border: 1px solid var(--border); color: var(--text);
    padding: 8px 12px; border-radius: var(--radius); font-size: 13px;
  }

  table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
  thead th {
    text-align: left; font-size: 12px; color: var(--text-dim); font-weight: 500;
    padding: 12px 14px; background: var(--navy-light); border-bottom: 1px solid var(--border);
  }
  tbody td { padding: 12px 14px; font-size: 13px; border-bottom: 1px solid var(--border); }
  tbody tr { cursor: pointer; }
  tbody tr:hover { background: var(--card-hover); }
  tbody tr:last-child td { border-bottom: none; }

  .badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; display: inline-block; }
  .badge.open { background: rgba(76,141,255,0.15); color: var(--blue); }
  .badge.ack { background: rgba(98,110,143,0.15); color: var(--text-dim); }
  .badge.draft { background: rgba(242,181,60,0.15); color: var(--amber); }
  .badge.closed { background: rgba(62,207,142,0.15); color: var(--green); }
  .badge.vo { background: rgba(239,93,93,0.15); color: var(--red); }

  .modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: none;
    align-items: center; justify-content: center; z-index: 50; padding: 20px;
  }
  .modal-overlay.show { display: flex; }
  .modal {
    background: var(--card); border: 1px solid var(--border); border-radius: 14px;
    padding: 24px; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  }
  .modal h2 { font-size: 16px; margin: 0 0 16px; }
  .field { margin-bottom: 14px; }
  .field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
  .field input, .field select, .field textarea {
    width: 100%; background: var(--navy); border: 1px solid var(--border); color: var(--text);
    padding: 9px 12px; border-radius: 8px; font-size: 13px; font-family: inherit;
  }
  .field textarea { resize: vertical; min-height: 60px; }
  .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

  .detail-panel {
    background: var(--card); border: 1px solid var(--border); border-radius: 14px;
    padding: 20px 22px; margin-top: 20px; display: none;
  }
  .detail-panel.show { display: block; }
  .detail-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
  .detail-header h3 { margin: 0; font-size: 16px; }
  .detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
  .detail-item { background: var(--navy); border-radius: 8px; padding: 10px 12px; }
  .detail-item .k { font-size: 11px; color: var(--text-dim); }
  .detail-item .v { font-size: 13px; font-weight: 500; margin-top: 3px; }
  .desc-box { background: var(--navy); border-radius: 8px; padding: 12px 14px; font-size: 13px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.6; }
  .log { font-size: 12px; color: var(--text-mute); margin-top: 10px; }
  .empty-state { text-align: center; padding: 60px 20px; color: var(--text-mute); }

  .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); margin-bottom: 18px; }
  .breadcrumb span.link { cursor: pointer; color: var(--text-dim); }
  .breadcrumb span.link:hover { color: var(--orange); }
  .breadcrumb span.current { color: var(--text); font-weight: 500; }

  .project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
  .project-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 14px;
    padding: 18px 20px; cursor: pointer; transition: border-color 0.15s;
  }
  .project-card:hover { border-color: var(--orange); }
  .project-card .pname { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
  .project-card .ploc { font-size: 12px; color: var(--text-dim); margin-bottom: 14px; }
  .project-card .prow { display: flex; justify-content: space-between; align-items: center; }
  .project-card .pmini { display: flex; gap: 14px; }
  .project-card .pmini div .k { font-size: 11px; color: var(--text-mute); }
  .project-card .pmini div .v { font-size: 15px; font-weight: 600; margin-top: 2px; }
  .project-card .health { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
  .health.good { background: rgba(62,207,142,0.15); color: var(--green); }
  .health.watch { background: rgba(242,181,60,0.15); color: var(--amber); }
  .health.risk { background: rgba(239,93,93,0.15); color: var(--red); }

  .overview-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }

  .doc-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 16px 18px;
  }
  .doc-card .dtop { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
  .doc-card .dicon {
    width: 40px; height: 40px; border-radius: 8px; background: var(--navy);
    display: flex; align-items: center; justify-content: center; font-size: 19px; color: var(--orange); flex-shrink: 0;
  }
  .doc-card .dname { font-size: 14px; font-weight: 500; line-height: 1.4; }
  .doc-card .dmeta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
  .doc-card .dfooter { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }

  .client-card {
    background: var(--navy-light); border: 1px solid var(--border); border-radius: 14px;
    padding: 18px 20px; display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between;
  }
  .client-card .cblock .k { font-size: 11px; color: var(--text-mute); }
  .client-card .cblock .v { font-size: 14px; font-weight: 500; margin-top: 3px; }

  #loginView {
    min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
  }
  .login-box {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px;
    padding: 36px 32px; width: 100%; max-width: 380px; text-align: center;
  }
  .login-box h1 { font-size: 19px; margin: 0 0 4px; font-weight: 600; }
  .login-box .field { text-align: left; }
  .login-logo {
    width: 52px; height: 52px; border-radius: 14px; background: var(--orange); color: #1a1206;
    display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 16px;
  }
  .role-toggle { display: flex; gap: 6px; }
  .role-btn {
    flex: 1; background: var(--navy); border: 1px solid var(--border); color: var(--text-dim);
    padding: 10px 4px; border-radius: 8px; font-size: 10.5px; cursor: pointer; text-align: center; line-height: 1.5;
  }
  .role-btn i { display: block; font-size: 17px; margin-bottom: 2px; }
  .role-btn.active { background: rgba(232,135,58,0.12); border-color: var(--orange); color: var(--orange); font-weight: 600; }
  .field select {
    width: 100%; background: var(--navy); border: 1px solid var(--border); color: var(--text);
    padding: 9px 12px; border-radius: 8px; font-size: 13px; font-family: inherit;
  }

  .approval-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 16px 18px; margin-bottom: 12px;
  }
  .approval-card .atop { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
  .approval-card .atitle { font-size: 14px; font-weight: 500; }
  .approval-card .ameta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
  .approval-actions { display: flex; gap: 8px; }
  .btn-approve { background: var(--green); color: #06281a; border: none; padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; }
  .btn-reject { background: transparent; border: 1px solid var(--red); color: var(--red); padding: 8px 16px; border-radius: 8px; font-size: 13px; cursor: pointer; }
  .role-tag { font-size: 11px; padding: 3px 9px; border-radius: 20px; background: rgba(232,135,58,0.15); color: var(--orange); font-weight: 600; }

  .fab {
    position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; border-radius: 50%;
    background: var(--orange); color: #1a1206; border: none; font-size: 26px; display: none;
    align-items: center; justify-content: center; cursor: pointer; z-index: 40; box-shadow: 0 4px 14px rgba(0,0,0,0.35);
  }

  @media (max-width: 640px) {
    header { padding: 14px 16px; flex-wrap: wrap; row-gap: 10px; }
    header h1 { font-size: 16px; }
    header .sub { font-size: 12px; }
    header .role-tag { display: none; }
    #headerBtn, #headerNewProject { display: none !important; }
    main { padding: 16px 18px 90px; }
    .stats, .overview-stats { grid-template-columns: repeat(2, 1fr); }
    .client-card { flex-direction: column; gap: 12px; }
    .detail-grid { grid-template-columns: 1fr 1fr; }
    table thead { display: none; }
    table, tbody, tr, td { display: block; width: 100%; }
    tbody tr {
      background: var(--card); border: 1px solid var(--border); border-radius: 12px;
      margin-bottom: 10px; padding: 10px 4px;
    }
    tbody td { border-bottom: none; padding: 4px 12px; }
    tbody td:before {
      content: attr(data-label); display: block; font-size: 11px; color: var(--text-mute); margin-bottom: 2px;
    }
    .fab { display: flex; }
    .field-row { grid-template-columns: 1fr; }
    .modal { padding: 18px; }
    .modal-actions { flex-direction: column-reverse; }
    .modal-actions button { width: 100%; padding: 12px; }
  }