*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --navy: #0B1929; --navy-mid: #112240;
    --accent: #E8A020; --accent-dim: #b47c18;
    --danger: #d94040; --warning: #d97a20; --ok: #2e9e5b;
    --text: #e8edf2; --text-muted: #7a9ab8; --text-dim: #4a6a8a;
    --border: rgba(255,255,255,0.08); --border-bright: rgba(255,255,255,0.15);
    --surface: rgba(255,255,255,0.04); --surface-hover: rgba(255,255,255,0.07);
  }
  body { font-family: 'Barlow', sans-serif; background: var(--navy); color: var(--text); min-height: 100vh; font-size: 15px; }
  .header { background: var(--navy-mid); border-bottom: 1px solid var(--border-bright); padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 56px; position: sticky; top: 0; z-index: 100; }
  .logo { display: flex; align-items: center; gap: 10px; }
  .logo-mark { height: 38px; display: flex; align-items: center; }
  .logo-mark img { height: 38px; width: auto; }
  .logo-text { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 17px; letter-spacing: 1px; text-transform: uppercase; display: none; }
  .logo-sub { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
  .header-right { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text-dim); }
  .nav {
  background: var(--navy-mid);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  overflow-x: auto;

  position: sticky;
  top: 56px;
  z-index: 99;
}
  .nav-btn { background: none; border: none; border-bottom: 2px solid transparent; padding: 12px 18px; font-family: 'Barlow', sans-serif; font-size: 13px; font-weight: 600; color: var(--text-muted); cursor: pointer; white-space: nowrap; letter-spacing: 0.5px; text-transform: uppercase; transition: color 0.15s, border-color 0.15s; }
  .nav-btn:hover { color: var(--text); }
  .nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
  .main {
    padding: 1rem 1.5rem;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}
  .section { display: none; }
  .section.active { display: block; }
  .metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 1.5rem; }
  .metric { background: var(--surface); border: 1px solid var(--border); padding: 1rem 1.25rem; position: relative; overflow: hidden; }
  .metric::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
  .metric.danger::before { background: var(--danger); }
  .metric.warning::before { background: var(--warning); }
  .metric.ok::before { background: var(--ok); }
  .metric-label { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--text-dim); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
  .metric-value { font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 700; }
  .metric.danger .metric-value { color: var(--danger); }
  .metric.warning .metric-value { color: var(--warning); }
  .card { background: var(--surface); border: 1px solid var(--border); margin-bottom: 1.5rem; }
  .card-header { padding: 14px 1.25rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
  .card-title { font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); }
  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  th { font-family: 'DM Mono', monospace; font-size: 10px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); padding: 10px 1.25rem; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
  td { padding: 11px 1.25rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--surface-hover); }
  .mono { font-family: 'DM Mono', monospace; font-size: 12px; }
  .badge { display: inline-block; font-family: 'DM Mono', monospace; font-size: 10px; font-weight: 500; letter-spacing: 0.5px; padding: 3px 8px; text-transform: uppercase; }
  .badge-ok { background: rgba(46,158,91,0.15); color: #4ec87a; border: 1px solid rgba(46,158,91,0.3); }
  .badge-low { background: rgba(217,122,32,0.15); color: #f0a050; border: 1px solid rgba(217,122,32,0.3); }
  .badge-critical { background: rgba(217,64,64,0.15); color: #f06060; border: 1px solid rgba(217,64,64,0.3); }
  .bar-wrap { display: flex; align-items: center; gap: 8px; }
  .bar-track { flex: 1; height: 4px; background: var(--border-bright); max-width: 72px; }
  .bar-fill { height: 100%; }
  .form-card { background: var(--surface); border: 1px solid var(--border); padding: 1.5rem; margin-bottom: 1.5rem; }
  .form-title { font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1.25rem; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
  .form-full { margin-bottom: 14px; }
  label { display: block; font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--navy);
  border: 1px solid var(--border-bright);
  color: var(--text);
  padding: 9px 12px;
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: brightness(0) invert(1);
  opacity: 1;
  cursor: pointer;
}
  input:focus, select:focus, textarea:focus { border-color: var(--accent); }
  select option { background: var(--navy-mid); }
  textarea { resize: vertical; min-height: 72px; }
  .qty-hint { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--text-dim); margin-top: 4px; }
  .qty-hint.warn { color: var(--warning); }
  .btn-submit { background: var(--accent); color: var(--navy); border: none; padding: 11px 28px; font-family: 'Barlow Condensed', sans-serif; font-size: 15px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; width: 100%; transition: background 0.15s; }
  .btn-submit:hover { background: var(--accent-dim); }
  .btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }
  .success-bar { background: rgba(46,158,91,0.15); border: 1px solid rgba(46,158,91,0.3); color: #4ec87a; padding: 10px 14px; font-family: 'DM Mono', monospace; font-size: 12px; margin-top: 12px; display: none; }
  .filter-row { display: flex; gap: 8px; padding: 10px 1.25rem; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
  .filter-row select { flex: 1; min-width: 140px; font-size: 13px; padding: 7px 10px; }
  .filter-label { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; align-self: center; }
  .tech-row { display: flex; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 12px; }
  .tech-row:last-child { border-bottom: none; }
  .tech-name { flex: 1; font-size: 14px; }
  .btn-remove { background: none; border: 1px solid var(--border-bright); color: var(--text-muted); padding: 4px 10px; font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.5px; text-transform: uppercase; cursor: pointer; }
  .btn-remove:hover { border-color: var(--danger); color: var(--danger); }
  .add-row { display: flex; gap: 8px; margin-top: 14px; }
  .add-row input { flex: 1; }
  .btn-add { background: none; border: 1px solid var(--border-bright); color: var(--text); padding: 9px 18px; font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; white-space: nowrap; }
  .btn-add:hover { border-color: var(--accent); color: var(--accent); }
  .alert-banner { background: rgba(217,64,64,0.1); border: 1px solid rgba(217,64,64,0.3); border-left: 3px solid var(--danger); padding: 10px 14px; font-size: 13px; color: #f06060; margin-bottom: 1rem; display: none; }
  .alert-banner.visible { display: block; }
  .alert-banner strong { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; display: block; margin-bottom: 4px; }
  .reorder-item { display: flex; align-items: center; padding: 10px 1.25rem; border-bottom: 1px solid var(--border); font-size: 13px; flex-wrap: wrap; gap: 8px; }
  .reorder-item:last-child { border-bottom: none; }
  .reorder-name { font-weight: 500; flex: 1; min-width: 180px; }
  .reorder-detail { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text-muted); }
  .table-scroll { overflow-x: auto; }
  .empty { text-align: center; padding: 3rem 1rem; color: var(--text-dim); font-family: 'DM Mono', monospace; font-size: 12px; letter-spacing: 1px; }
  .loading { text-align: center; padding: 2rem; color: var(--text-dim); font-family: 'DM Mono', monospace; font-size: 12px; letter-spacing: 1px; }
  .spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border-bright); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; margin-right: 8px; vertical-align: middle; }
  @keyframes spin { to { transform: rotate(360deg); } }
  @media (max-width: 580px) { .form-grid { grid-template-columns: 1fr; } .metrics { grid-template-columns: 1fr 1fr; } .header { padding: 0 1rem; } .main { padding: 1rem; } .nav-btn { padding: 12px 10px; font-size: 11px; } }

  /* Sortable table headers */
  th[data-sort] { cursor: pointer; user-select: none; }
  th[data-sort]:hover { color: var(--accent); }
  .sort-icon { font-size: 9px; margin-left: 3px; opacity: 0.3; vertical-align: middle; }
  th[data-sort].sorted .sort-icon { opacity: 1; color: var(--accent); }

  /* Time Range Picker */
  input[type="time"]::-webkit-calendar-picker-indicator { filter: brightness(0) invert(1); opacity: 0.6; cursor: pointer; }
  .time-range-picker { display: flex; align-items: stretch; border: 1px solid var(--border-bright); background: var(--navy); transition: border-color 0.15s; }
  .time-range-picker:focus-within { border-color: var(--accent); }
  .trp-half { flex: 1; display: flex; flex-direction: column; padding: 6px 10px 8px; min-width: 0; }
  .trp-sublabel { font-family: 'DM Mono', monospace; font-size: 8.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 3px; opacity: 0.85; }
  .trp-half input[type="time"] { background: transparent; border: none; padding: 0; width: 100%; font-family: 'DM Mono', monospace; font-size: 14px; color: var(--text); outline: none; }
  .trp-half input[type="time"]:focus { border-color: transparent; }
  .trp-divider { display: flex; align-items: center; justify-content: center; padding: 0 10px; flex-shrink: 0; background: rgba(232,160,32,0.06); border-left: 1px solid var(--border); border-right: 1px solid var(--border); color: var(--accent); font-size: 16px; font-weight: 600; }