:root {
      --midnight-navy: #0B1F33;
      --slate-grey: #2F3A44;
      --muted-teal: #2C7A7B;
      --teal-hover: #236363;
      --light-bg: #F8F9FA;
      --white: #FFFFFF;
      --border-color: #E2E8F0;
      --text-primary: #0B1F33;
      --text-secondary: #2F3A44;
      --text-muted: #64748B;
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      line-height: 1.6;
      color: var(--text-secondary);
      background-color: var(--light-bg);
      font-size: 15px;
    }
    
    .container {
      max-width: 960px;
      margin: 0 auto;
      padding: 24px;
    }
    
    header {
      background: var(--midnight-navy);
      color: var(--white);
      padding: 16px 0;
      margin-bottom: 32px;
      border-bottom: 3px solid var(--muted-teal);
    }
    
    header .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 0;
      padding-bottom: 0;
    }
    
    header h1 {
      font-size: 1.25rem;
      font-weight: 600;
      letter-spacing: -0.02em;
    }
    
    header a {
      color: var(--white);
      text-decoration: none;
    }
    
    header nav {
      display: flex;
      gap: 24px;
      align-items: center;
    }
    
    header nav a {
      font-size: 0.875rem;
      font-weight: 500;
      opacity: 0.85;
      transition: opacity 0.2s ease;
    }
    
    header nav a:hover {
      opacity: 1;
    }
    
    main {
      min-height: calc(100vh - 180px);
    }
    
    .card {
      background: var(--white);
      border-radius: 4px;
      border: 1px solid var(--border-color);
      padding: 32px;
      margin-bottom: 24px;
    }
    
    h2 {
      color: var(--midnight-navy);
      margin-bottom: 8px;
      font-size: 1.375rem;
      font-weight: 600;
      letter-spacing: -0.02em;
    }
    
    .description {
      color: var(--text-muted);
      margin-bottom: 28px;
      font-size: 0.9375rem;
    }
    
    .form-group {
      margin-bottom: 24px;
    }
    
    label {
      display: block;
      margin-bottom: 6px;
      font-weight: 500;
      color: var(--text-primary);
      font-size: 0.875rem;
    }
    
    input[type="number"],
    input[type="text"],
    select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      font-size: 0.9375rem;
      font-family: inherit;
      color: var(--text-primary);
      background: var(--white);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    
    input[type="number"]:focus,
    input[type="text"]:focus,
    select:focus {
      outline: none;
      border-color: var(--muted-teal);
      box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.12);
    }
    
    input[type="number"]::placeholder,
    input[type="text"]::placeholder {
      color: var(--text-muted);
    }
    
    .input-hint {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-top: 6px;
    }
    
    .form-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
    }
    
    button, .btn {
      display: inline-block;
      background: var(--muted-teal);
      color: var(--white);
      border: none;
      padding: 12px 28px;
      font-size: 0.9375rem;
      font-weight: 500;
      font-family: inherit;
      border-radius: 4px;
      cursor: pointer;
      text-decoration: none;
      text-align: center;
      transition: background-color 0.2s ease;
    }
    
    button:hover, .btn:hover {
      background: var(--teal-hover);
    }
    
    .btn-secondary {
      background: var(--white);
      color: var(--slate-grey);
      border: 1px solid var(--border-color);
    }
    
    .btn-secondary:hover {
      background: var(--light-bg);
    }
    
    .btn-navy {
      background: var(--midnight-navy);
    }
    
    .btn-navy:hover {
      background: #0E2943;
    }
    
    .results {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 0;
      margin-top: 32px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(11, 31, 51, 0.06);
    }
    
    .results h3 {
      color: var(--midnight-navy);
      margin: 0;
      padding: 18px 28px;
      font-size: 1rem;
      font-weight: 600;
      background: var(--light-bg);
      border-bottom: 1px solid var(--border-color);
      letter-spacing: 0.01em;
    }
    
    .result-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 28px;
      border-bottom: 1px solid var(--border-color);
      transition: background 0.15s ease;
    }

    .result-item:hover {
      background: var(--light-bg);
    }
    
    .result-item:last-child {
      border-bottom: none;
    }
    
    .result-label {
      color: var(--slate-grey);
      font-size: 0.9375rem;
      font-weight: 500;
    }
    
    .result-value {
      font-weight: 600;
      color: var(--midnight-navy);
      font-size: 0.9375rem;
      font-variant-numeric: tabular-nums;
    }
    
    .result-value.highlight {
      color: var(--white);
      background: var(--muted-teal);
      font-size: 1rem;
      padding: 6px 16px;
      border-radius: 6px;
      letter-spacing: 0.01em;
    }
    
    .explanation {
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      border-left: 3px solid var(--muted-teal);
      border-radius: 6px;
      padding: 18px 22px;
      margin: 20px 28px 24px;
    }
    
    .explanation h4 {
      color: var(--slate-grey);
      margin-bottom: 10px;
      font-size: 0.8125rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    
    .explanation p {
      font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
      font-size: 0.8125rem;
      color: var(--text-secondary);
      margin: 4px 0;
      line-height: 1.6;
    }
    
    .disclaimer {
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 18px 24px;
      margin-top: 20px;
    }
    
    .disclaimer h4 {
      color: var(--slate-grey);
      margin-bottom: 8px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    
    .disclaimer p {
      color: var(--text-muted);
      font-size: 0.8125rem;
      line-height: 1.6;
    }
    
    .calculator-list {
      display: grid;
      gap: 16px;
    }
    
    .calculator-link {
      display: block;
      padding: 24px;
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 4px;
      text-decoration: none;
      color: inherit;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    
    .calculator-link:hover {
      border-color: var(--muted-teal);
      box-shadow: 0 2px 8px rgba(11, 31, 51, 0.08);
    }
    
    .calculator-link h3 {
      color: var(--midnight-navy);
      margin-bottom: 6px;
      font-size: 1rem;
      font-weight: 600;
    }
    
    .calculator-link p {
      color: var(--text-muted);
      font-size: 0.875rem;
    }
    
    .table-container {
      overflow-x: auto;
      margin-top: 16px;
    }
    
    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.875rem;
    }
    
    th, td {
      padding: 12px 16px;
      text-align: right;
      border-bottom: 1px solid var(--border-color);
    }
    
    th {
      background: var(--midnight-navy);
      color: var(--white);
      font-weight: 600;
      font-size: 0.8125rem;
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }
    
    th:first-child,
    td:first-child {
      text-align: left;
    }
    
    tbody tr:nth-child(even) {
      background: var(--light-bg);
    }
    
    tbody tr:hover {
      background: rgba(44, 122, 123, 0.04);
    }
    
    tfoot td {
      background: var(--light-bg);
      font-weight: 600;
      color: var(--midnight-navy);
    }
    
    .site-footer {
      background: var(--midnight-navy);
      color: rgba(255,255,255,0.65);
      padding: 80px 0 40px;
      margin-top: 48px;
    }
    .site-footer-inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 32px;
    }
    .site-footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .site-footer-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--white);
      font-weight: 600;
      font-size: 1rem;
      margin-bottom: 16px;
    }
    .site-footer-logo-img {
      height: 44px;
      width: auto;
    }
    .site-footer-desc {
      font-size: 0.875rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.5);
    }
    .site-footer-col h4 {
      color: var(--white);
      font-size: 0.8125rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-bottom: 16px;
    }
    .site-footer-col a {
      display: block;
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      font-size: 0.875rem;
      padding: 5px 0;
      transition: color 0.2s ease;
    }
    .site-footer-col a:hover {
      color: var(--white);
    }
    .site-footer-address {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 24px;
      margin-bottom: 20px;
    }
    .site-footer-address p {
      color: rgba(255,255,255,0.5);
      font-size: 0.75rem;
      line-height: 1.6;
      margin-bottom: 8px;
    }
    .site-footer-address p:first-child {
      font-weight: 500;
      color: rgba(255,255,255,0.6);
      font-size: 0.8125rem;
      margin-bottom: 10px;
    }
    .site-footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 20px;
    }
    .site-footer-legal {
      display: flex;
      gap: 24px;
    }
    .site-footer-legal a {
      color: rgba(255,255,255,0.4);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .site-footer-legal a:hover {
      color: var(--white);
    }
    @media (max-width: 768px) {
      .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .site-footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }
    @media (max-width: 480px) {
      .site-footer-grid { grid-template-columns: 1fr; }
    }
    
    .metric-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 20px 24px;
      text-align: center;
    }
    
    .metric-value {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--muted-teal);
      margin-bottom: 4px;
    }
    
    .metric-label {
      font-size: 0.8125rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }
    
    .badge {
      display: inline-block;
      padding: 4px 10px;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 3px;
      text-transform: uppercase;
      letter-spacing: 0.02em;
    }
    
    .badge-navy {
      background: var(--midnight-navy);
      color: var(--white);
    }
    
    .badge-teal {
      background: var(--muted-teal);
      color: var(--white);
    }
    
    .badge-grey {
      background: var(--slate-grey);
      color: var(--white);
    }
    
    .section-divider {
      height: 1px;
      background: var(--border-color);
      margin: 32px 0;
    }
    
    .text-navy { color: var(--midnight-navy); }
    .text-teal { color: var(--muted-teal); }
    .text-slate { color: var(--slate-grey); }
    .text-muted { color: var(--text-muted); }
    .font-semibold { font-weight: 600; }
    .mb-0 { margin-bottom: 0; }
    .mb-4 { margin-bottom: 4px; }
    .mb-8 { margin-bottom: 8px; }
    .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }

    .admin-page-wrap { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }
    .admin-page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
    .admin-btn-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
    .admin-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .admin-table-wrap table { min-width: 640px; }
    .admin-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }

    @media (max-width: 768px) {
      header .container {
        padding: 0 16px;
      }
      header h1 {
        font-size: 1.1rem;
      }
      header nav {
        gap: 14px;
      }
      header nav a {
        font-size: 0.8rem;
      }
      .container {
        padding: 16px;
      }
      .card {
        padding: 20px;
      }
      h2 {
        font-size: 1.15rem;
      }
      .results {
        margin-top: 24px;
      }
      .results h3 {
        padding: 14px 20px;
      }
      .result-item {
        padding: 14px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }
      .result-value {
        font-size: 1rem;
      }
      .table-container {
        margin-left: -20px;
        margin-right: -20px;
        padding: 0 4px;
        overflow-x: auto;
      }
      table {
        font-size: 0.8rem;
      }
      th, td {
        padding: 10px 8px;
      }
      .dashboard-header,
      .proposal-header {
        flex-direction: column;
        align-items: stretch;
      }
      .dashboard-header > div {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
      }
      .dashboard-header .btn,
      .proposal-header .btn {
        text-align: center;
        font-size: 11px;
        padding: 7px 10px;
      }
      .submission-item {
        flex-direction: column;
        align-items: stretch;
      }
      .submission-actions {
        flex-wrap: wrap;
      }
      .submission-actions .btn-small {
        flex: 1;
        text-align: center;
        min-width: 0;
      }
      .admin-page-wrap { padding: 20px 16px; }
      .admin-page-header { flex-direction: column; align-items: stretch; }
      .admin-btn-group { width: 100%; }
      .admin-stats-row { grid-template-columns: repeat(2, 1fr); }
      .stats-row { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 480px) {
      header .container {
        flex-wrap: wrap;
        gap: 8px;
      }
      header nav {
        gap: 10px;
        width: 100%;
        justify-content: flex-end;
      }
      header nav a {
        font-size: 0.75rem;
      }
      .card {
        padding: 16px;
      }
      .form-row {
        grid-template-columns: 1fr;
        gap: 0;
      }
      button, .btn {
        width: 100%;
      }
      .button-group {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
      }
      .button-group .cancel-link {
        text-align: center;
      }
      .admin-stats-row { grid-template-columns: 1fr 1fr; }
      .stats-row { grid-template-columns: 1fr 1fr; }
    }