:root{
    --ink:#161616;
    --panel:#1f1f1d;
    --panel-raised:#262624;
    --steel:#3a3a38;
    --steel-light:#54524d;
    --steel-lighter:#a8a396;
    --paper:#eee8da;
    --safety-yellow:#f5b700;
    --safety-yellow-dim:#8a6b0f;
    --danger-red:#c1272d;
    --danger-red-dim:#5a1417;
    --clear-green:#3d8361;
    --clear-green-dim:#1e3f2f;
    --hazard-stripe: repeating-linear-gradient(135deg, var(--safety-yellow) 0px, var(--safety-yellow) 18px, var(--ink) 18px, var(--ink) 36px);
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    background:var(--ink);
    color:var(--paper);
    font-family:'IBM Plex Mono', monospace;
    min-height:100vh;
  }
  ::selection{background:var(--safety-yellow); color:var(--ink);}

  /* Header */
  .hazard-bar{
    height:10px;
    background:var(--hazard-stripe);
  }
  header{
    padding:28px 32px 20px;
    border-bottom:1px solid var(--steel);
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    flex-wrap:wrap;
    gap:16px;
  }
  h1{
    font-family:'Oswald', sans-serif;
    font-weight:700;
    font-size:2.1rem;
    letter-spacing:0.04em;
    margin:0;
    text-transform:uppercase;
    color:var(--paper);
  }
  h1 span{color:var(--safety-yellow);}
  .subtitle{
    font-size:0.78rem;
    color:var(--steel-light);
    letter-spacing:0.08em;
    text-transform:uppercase;
    margin-top:4px;
  }
  .stats{
    display:flex;
    gap:28px;
  }
  .stat{
    text-align:right;
  }
  .stat-num{
    font-family:'Oswald', sans-serif;
    font-size:1.9rem;
    font-weight:600;
    line-height:1;
  }
  .stat-num.active{color:var(--danger-red);}
  .stat-num.cleared{color:var(--clear-green);}
  .stat-label{
    font-size:0.65rem;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color:var(--steel-light);
    margin-top:4px;
  }

  main{
    max-width:1100px;
    margin:0 auto;
    padding:28px 32px 80px;
  }

  .toolbar{
    display:flex;
    gap:12px;
    margin-bottom:24px;
    flex-wrap:wrap;
    align-items:center;
  }
  button{
    font-family:'IBM Plex Mono', monospace;
    cursor:pointer;
    border:none;
    border-radius:2px;
    font-size:0.78rem;
    letter-spacing:0.06em;
    text-transform:uppercase;
    padding:11px 18px;
    font-weight:600;
    transition:transform 0.08s ease, filter 0.15s ease;
  }
  button:active{transform:scale(0.97);}
  .btn-primary{
    background:var(--safety-yellow);
    color:var(--ink);
  }
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-ghost{
    background:transparent;
    border:1px solid var(--steel-light);
    color:var(--paper);
  }
  .btn-ghost:hover{border-color:var(--paper);}
  .btn-ghost.on{
    background:var(--panel-raised);
    border-color:var(--safety-yellow);
    color:var(--safety-yellow);
  }
  .toolbar-spacer{flex:1;}
  .toolbar-note{
    font-size:0.68rem;
    color:var(--steel-light);
    letter-spacing:0.03em;
  }

  /* Add form */
  .form-panel{
    background:var(--panel);
    border:1px solid var(--steel);
    border-left:4px solid var(--safety-yellow);
    padding:24px;
    margin-bottom:28px;
    display:none;
  }
  .form-panel.open{display:block;}
  .form-title{
    font-family:'Oswald', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.06em;
    font-size:1rem;
    margin:0 0 18px;
    color:var(--safety-yellow);
  }
  .form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .field{display:flex; flex-direction:column; gap:6px;}
  .field.full{grid-column:1 / -1;}
  label{
    font-size:0.66rem;
    letter-spacing:0.09em;
    text-transform:uppercase;
    color:var(--steel-light);
  }
  input, textarea, select{
    background:var(--ink);
    border:1px solid var(--steel);
    color:var(--paper);
    padding:10px 12px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.85rem;
    border-radius:2px;
    resize:vertical;
  }
  input:focus, textarea:focus, select:focus, button:focus-visible{
    outline:2px solid var(--safety-yellow);
    outline-offset:1px;
  }
  textarea{min-height:80px; line-height:1.5;}
  .form-actions{
    margin-top:20px;
    display:flex;
    gap:12px;
  }
  .type-toggle{
    display:flex;
    gap:0;
    border:1px solid var(--steel);
    border-radius:2px;
    overflow:hidden;
    width:fit-content;
  }
  .type-toggle button{
    background:var(--ink);
    color:var(--steel-light);
    border-radius:0;
    padding:9px 16px;
    font-weight:500;
  }
  .type-toggle button.active{
    background:var(--safety-yellow);
    color:var(--ink);
  }
  .type-toggle button:not(:last-child){border-right:1px solid var(--steel);}
  .type-hint{
    font-size:0.68rem;
    color:var(--steel-light);
    margin-top:6px;
    line-height:1.5;
  }
  .reminder-field{display:none; flex-direction:column; align-items:stretch; gap:6px;}
  .reminder-field.show{display:flex;}
  .reminder-field input[type="time"]{width:140px;}

  /* Filter chips */
  .filter-row{
    display:flex;
    gap:8px;
    margin-bottom:18px;
  }
  .chip{
    background:transparent;
    border:1px solid var(--steel);
    color:var(--steel-light);
    padding:6px 14px;
    font-size:0.68rem;
  }
  .chip.active{
    border-color:var(--safety-yellow);
    color:var(--safety-yellow);
    background:var(--panel-raised);
  }

  /* Type badge + overdue */
  .tag-type{
    display:inline-block;
    font-size:0.58rem;
    letter-spacing:0.07em;
    text-transform:uppercase;
    color:#9a988f;
    border:1px solid var(--steel);
    padding:2px 6px;
    border-radius:2px;
    margin-bottom:8px;
  }
  .tag.overdue{border-color:var(--danger-red);}
  .tag.overdue .tag-band{
    background:var(--danger-red);
    animation:pulseBand 1.6s ease-in-out infinite;
  }
  @keyframes pulseBand{
    0%, 100%{opacity:1;}
    50%{opacity:0.4;}
  }
  .overdue-flag{
    font-size:0.62rem;
    letter-spacing:0.05em;
    text-transform:uppercase;
    color:#ff9d9f;
    margin-top:6px;
  }
  .zvv-row{
    display:flex;
    align-items:center;
    gap:8px;
    margin-top:12px;
    padding-top:12px;
    border-top:1px solid var(--steel);
  }
  .zvv-row input[type="checkbox"]{
    width:16px;
    height:16px;
    accent-color:var(--clear-green);
    cursor:pointer;
    flex-shrink:0;
  }
  .zvv-row input[type="checkbox"]:disabled{
    cursor:default;
  }
  .zvv-row label{
    font-size:0.68rem;
    letter-spacing:0.05em;
    text-transform:uppercase;
    color:var(--paper);
    cursor:pointer;
  }
  .zvv-row.verified label{color:var(--clear-green);}
  .zvv-row input[type="checkbox"]:disabled + label{cursor:default;}
  .admin-lock-highlight{
    color:var(--safety-yellow);
    font-weight:600;
  }

  /* Lock inventory panel */
  .inv-add-row{
    display:flex;
    gap:10px;
    margin-bottom:20px;
  }
  .inv-add-row input{flex:1;}
  .inv-list{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .inv-item{
    border:1px solid var(--steel);
    border-radius:2px;
    padding:12px 14px;
  }
  .inv-item-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:10px;
  }
  .inv-name{
    font-family:'Oswald', sans-serif;
    font-size:1rem;
    font-weight:600;
  }
  .inv-status{
    font-size:0.6rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
    padding:2px 8px;
    border-radius:2px;
    white-space:nowrap;
  }
  .inv-status.available{background:var(--clear-green-dim); color:#8fd6ae;}
  .inv-status.in-use{background:var(--danger-red-dim); color:#ff9d9f;}
  .inv-actions{display:flex; gap:8px; margin-left:auto;}
  .inv-actions button{padding:6px 12px; font-size:0.65rem;}
  .inv-contact-row{
    display:flex;
    gap:8px;
    margin-top:10px;
  }
  .inv-contact-row input{
    flex:1;
    padding:6px 10px;
    font-size:0.72rem;
  }
  .inv-contact-display{
    flex:1;
    padding:6px 10px;
    font-size:0.72rem;
    color:var(--paper);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:8px;
  }
  .inv-contact-display .inv-edit-hint{
    color:var(--steel-light);
    font-size:0.62rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
  }
  .inv-contact-display:hover .inv-edit-hint{color:var(--paper);}
  .inv-history{
    margin-top:12px;
    padding-top:12px;
    border-top:1px solid var(--steel);
    display:none;
  }
  .inv-history.open{display:block;}
  .inv-history-entry{
    font-size:0.72rem;
    color:var(--steel-light);
    padding:6px 0;
    border-bottom:1px solid rgba(255,255,255,0.05);
  }
  .inv-history-entry b{color:var(--paper); font-weight:500;}
  .inv-empty{
    font-size:0.72rem;
    color:var(--steel-light);
    padding:20px 0;
    text-align:center;
  }
  .clear-zone{
    margin-top:24px;
    padding-top:20px;
    border-top:1px solid var(--steel);
  }
  .clear-zone #clearPanel{margin-top:16px;}
  .lock-picker-row{
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  input[readonly]{
    color:var(--steel-light);
    background:var(--panel-raised);
  }

  /* Lock grid */
  .section-label{
    font-family:'Oswald', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.08em;
    font-size:0.85rem;
    color:var(--steel-light);
    margin:0 0 14px;
    padding-bottom:8px;
    border-bottom:1px solid var(--steel);
  }
  .grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
    gap:18px;
    margin-bottom:36px;
  }
  .tag{
    background:var(--panel);
    border:1px solid var(--steel);
    border-radius:3px;
    padding:0;
    cursor:pointer;
    position:relative;
    overflow:hidden;
    transition:border-color 0.15s ease, transform 0.1s ease;
  }
  .tag:hover{border-color:var(--safety-yellow); transform:translateY(-2px);}
  .tag.removed{background:var(--panel-raised); border-color:var(--steel);}
  .tag-band{
    height:6px;
    background:var(--danger-red);
  }
  .tag.removed .tag-band{background:var(--clear-green);}
  .tag.removed .tag-equip{color:var(--paper);}
  .tag.removed .tag-meta{color:#9a988f;}
  .tag.removed .tag-type{color:#9a988f;}
  .tag-body{padding:16px 18px 18px;}
  .tag-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:10px;
  }
  .tag-id{
    font-family:'Oswald', sans-serif;
    font-size:1.15rem;
    font-weight:600;
    letter-spacing:0.03em;
  }
  .tag-status{
    font-size:0.6rem;
    letter-spacing:0.08em;
    text-transform:uppercase;
    padding:3px 8px;
    border-radius:2px;
    background:var(--danger-red-dim);
    color:#ff9d9f;
    white-space:nowrap;
  }
  .tag.removed .tag-status{background:var(--clear-green-dim); color:#8fd6ae;}
  .tag-equip{
    font-size:0.9rem;
    margin-bottom:4px;
    color:var(--paper);
  }
  .tag-meta{
    font-size:0.72rem;
    color:#9a988f;
    line-height:1.6;
  }
  .tag-meta b{color:var(--paper); font-weight:500;}

  .empty{
    padding:40px 20px;
    text-align:center;
    color:var(--steel-light);
    border:1px dashed var(--steel);
    border-radius:3px;
    font-size:0.85rem;
  }

  /* Modal */
  .overlay{
    position:fixed; inset:0;
    background:rgba(0,0,0,0.6);
    display:none;
    align-items:center;
    justify-content:center;
    padding:20px;
    z-index:50;
  }
  .overlay.open{display:flex;}
  .modal{
    background:var(--panel);
    border:1px solid var(--steel);
    border-top:5px solid var(--safety-yellow);
    max-width:560px;
    width:100%;
    max-height:85vh;
    overflow-y:auto;
    padding:28px;
  }
  .modal-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:18px;
  }
  .modal-id{
    font-family:'Oswald', sans-serif;
    font-size:1.5rem;
    font-weight:700;
  }
  .modal-close{
    background:transparent;
    border:1px solid var(--steel);
    color:var(--steel-light);
    width:32px; height:32px;
    padding:0;
    font-size:1rem;
    border-radius:2px;
  }
  .modal-close:hover{border-color:var(--paper); color:var(--paper);}
  .modal-row{margin-bottom:14px;}
  .modal-row label{display:block; margin-bottom:4px;}
  .modal-row div{font-size:0.85rem;}
  .procedure-list{
    margin:0; padding-left:20px;
    font-size:0.82rem;
    line-height:1.9;
  }
  .audit-block{
    margin-top:20px;
    padding-top:16px;
    border-top:1px solid var(--steel);
  }
  .audit-entry{
    font-size:0.72rem;
    color:var(--steel-light);
    padding:6px 0;
    border-bottom:1px solid rgba(255,255,255,0.05);
  }
  .audit-entry b{color:var(--paper); font-weight:500;}
  .modal-actions{
    margin-top:22px;
    display:flex;
    gap:12px;
  }
  .btn-danger{background:var(--danger-red); color:#fff;}
  .btn-danger:hover{filter:brightness(1.1);}
  .remove-form{margin-top:4px;}
  .remove-form .field{margin-bottom:14px;}
  .remove-error{
    color:#ff9d9f;
    font-size:0.72rem;
    margin-top:8px;
    min-height:1em;
  }
  .remove-error:not(:empty){
    background:rgba(193,39,45,0.18);
    border:1px solid var(--danger-red);
    border-left:4px solid var(--danger-red);
    border-radius:2px;
    padding:10px 12px;
    font-size:0.82rem;
    font-weight:600;
    line-height:1.4;
  }

  /* Print tag */
  .print-tag-overlay{
    position:fixed; inset:0;
    background:rgba(0,0,0,0.7);
    display:none;
    align-items:center;
    justify-content:center;
    padding:20px;
    z-index:60;
  }
  .print-tag-overlay.open{display:flex;}
  .print-tag-shell{
    background:var(--panel);
    border:1px solid var(--steel);
    padding:24px;
    max-width:420px;
    width:100%;
  }
  .print-tag-note{
    font-size:0.7rem;
    color:var(--steel-light);
    margin-bottom:16px;
    line-height:1.6;
  }
  .print-tag{
    background:var(--paper);
    color:var(--ink);
    padding:24px;
    text-align:center;
    border-radius:4px;
  }
  .print-tag .pt-id{
    font-family:'Oswald', sans-serif;
    font-size:1.8rem;
    font-weight:700;
    margin-bottom:12px;
  }
  .print-tag .pt-owner-fields{
    display:flex;
    flex-direction:column;
    gap:6px;
    margin-bottom:16px;
  }
  .print-tag .pt-owner-input{
    background:transparent;
    border:none;
    border-bottom:1px dashed var(--steel-light);
    color:var(--ink);
    text-align:center;
    font-size:0.85rem;
    padding:2px 4px;
  }
  .print-tag .pt-owner-input::placeholder{color:#777;}
  .print-tag .pt-owner-input:focus{outline:none; border-bottom-color:var(--ink);}
  .print-tag .pt-qr{
    display:flex;
    justify-content:center;
    margin-bottom:12px;
  }
  .print-tag .pt-scan{
    font-size:0.65rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
    color:#555;
  }
  .print-tag-actions{
    display:flex;
    gap:12px;
    margin-top:18px;
  }
  @media print{
    body > *:not(.print-tag-overlay){display:none !important;}
    .print-tag-overlay{
      position:static !important;
      background:none !important;
      display:block !important;
      padding:0 !important;
    }
    .print-tag-shell{
      border:none !important;
      background:none !important;
      box-shadow:none !important;
      max-width:none !important;
    }
    .print-tag-note, .print-tag-actions{display:none !important;}
    .print-tag{border:2px solid #000;}
    .print-tag .pt-owner-input{border-bottom:none !important;}
  }

  /* Full audit log view */
  .audit-table{
    width:100%;
    border-collapse:collapse;
    font-size:0.76rem;
  }
  .audit-table th{
    text-align:left;
    color:var(--steel-light);
    text-transform:uppercase;
    letter-spacing:0.06em;
    font-size:0.65rem;
    padding:8px 10px;
    border-bottom:1px solid var(--steel);
  }
  .audit-table td{
    padding:9px 10px;
    border-bottom:1px solid rgba(255,255,255,0.05);
    vertical-align:top;
  }
  .action-tag{
    font-size:0.62rem;
    text-transform:uppercase;
    padding:2px 6px;
    border-radius:2px;
    letter-spacing:0.04em;
  }
  .action-applied{background:var(--danger-red-dim); color:#ff9d9f;}
  .action-removed{background:var(--clear-green-dim); color:#8fd6ae;}
  .action-zvv_verified{background:var(--safety-yellow-dim); color:var(--safety-yellow);}

  @media (max-width:640px){
    header{padding:20px;}
    main{padding:20px 16px 60px;}
    .form-grid{grid-template-columns:1fr;}
    h1{font-size:1.5rem;}
    .stats{gap:18px;}
  }

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;}
  }
/* ============ Auth Gate (standalone app addition) ============ */
.auth-gate{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}
.auth-card{
  background:var(--panel);
  border:1px solid var(--steel);
  border-top:5px solid var(--safety-yellow);
  padding:40px 32px;
  max-width:380px;
  width:100%;
  text-align:center;
}
.auth-card h1{
  font-family:'Oswald', sans-serif;
  font-size:1.8rem;
  text-transform:uppercase;
  margin:0 0 8px;
}
.auth-card h1 span{color:var(--safety-yellow);}
.auth-card p{
  font-size:0.8rem;
  color:var(--steel-lighter);
  margin-bottom:28px;
  line-height:1.6;
}
.google-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
  background:var(--paper);
  color:#1a1a1a;
  border:none;
  border-radius:3px;
  padding:12px 18px;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.85rem;
  font-weight:600;
  cursor:pointer;
}
.google-btn:hover{filter:brightness(0.95);}
.google-btn svg{width:18px; height:18px;}
.auth-note{
  color:var(--steel-lighter);
  font-size:0.7rem;
  margin-top:16px;
}
.auth-error{
  color:#ff9d9f;
  font-size:0.75rem;
  margin-top:16px;
}
.user-badge{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.72rem;
  color:var(--steel-light);
}
.user-badge img{
  width:26px; height:26px;
  border-radius:50%;
  border:1px solid var(--steel);
}
.user-badge button{
  background:transparent;
  border:1px solid var(--steel-light);
  color:var(--steel-light);
  padding:6px 12px;
  font-size:0.65rem;
}
.user-badge button:hover{border-color:var(--paper); color:var(--paper);}
.app-loading{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--steel-light);
  font-size:0.85rem;
}