/* ===== universal CSS variables (applied) ===== */
    :root {
      --navy: #03085b;
      --navy-deep: #020433;
      --navy-soft: #232864;
      --parchment: #f7f2e4;
      --parchment-dark: #efe4c6;
      --brass: #b6863f;
      --brass-light: #e3c791;
      --ink: #1c1f33;
      --ink-soft: #5b5f78;
      --white: #ffffff;
      --sage: #5c7a5c;

      --font-display: 'Fraunces', Georgia, serif;
      --font-body: 'Inter', -apple-system, sans-serif;
      --font-mono: 'IBM Plex Mono', monospace;
    }

    /* ----- global reset & base ----- */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      background: var(--parchment);
      font-family: var(--font-body);
      color: var(--ink);
      line-height: 1.6;
    }

    /* ----- top navigation (heritage feel) ----- */
    .top-nav {
      background: var(--navy-deep);
      padding: 0.9rem 0;
      border-bottom: 4px solid var(--brass);
      box-shadow: 0 6px 24px rgba(3, 8, 91, 0.2);
    }
    .top-nav .brand {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--parchment);
      letter-spacing: 0.5px;
    }
    .top-nav .brand span {
      color: var(--brass-light);
      font-weight: 400;
    }
    .top-nav .brand i {
      color: var(--brass-light);
      margin-right: 8px;
    }
    .btn-home {
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--brass);
      color: var(--parchment);
      border-radius: 50px;
      padding: 0.35rem 1.8rem;
      font-weight: 500;
      font-family: var(--font-body);
      transition: all 0.3s ease;
      backdrop-filter: blur(4px);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
    }
    .btn-home:hover {
      background: var(--brass);
      color: var(--navy-deep);
      border-color: var(--brass-light);
      transform: scale(1.02);
      box-shadow: 0 8px 20px rgba(182, 134, 63, 0.3);
    }

    /* ----- search card (parchment & brass accents) ----- */
    .search-card {
      background: var(--white);
      border-radius: 28px;
      padding: 2.2rem 2.8rem;
      box-shadow: 0 20px 50px rgba(3, 8, 91, 0.06);
      border: 1px solid rgba(182, 134, 63, 0.15);
      transition: all 0.2s;
      margin-top: 2.5rem;
      margin-bottom: 2rem;
    }
    .search-card h2 {
      font-family: var(--font-display);
      font-weight: 700;
      color: var(--navy);
      font-size: 2rem;
      letter-spacing: -0.5px;
      border-left: 6px solid var(--brass);
      padding-left: 1.2rem;
      margin-bottom: 2rem;
    }
    .search-card h2 i {
      color: var(--brass);
      margin-right: 10px;
    }
    .search-card label {
      font-weight: 600;
      color: var(--navy-soft);
      font-size: 0.9rem;
      letter-spacing: 0.3px;
      margin-bottom: 0.2rem;
      font-family: var(--font-body);
    }
    .search-card .form-control {
      border: 2px solid #e4dfd2;
      border-radius: 50px;
      padding: 0.7rem 1.3rem;
      font-family: var(--font-body);
      font-size: 0.95rem;
      background: var(--parchment);
      transition: 0.2s;
      color: var(--ink);
    }
    .search-card .form-control:focus {
      border-color: var(--brass);
      box-shadow: 0 0 0 4px rgba(182, 134, 63, 0.15);
      background: var(--white);
    }
    .btn-search {
      background: var(--navy);
      border: none;
      border-radius: 50px;
      padding: 0.7rem 2.8rem;
      font-weight: 600;
      font-family: var(--font-body);
      color: var(--parchment);
      box-shadow: 0 8px 20px rgba(3, 8, 91, 0.25);
      transition: 0.25s;
      letter-spacing: 0.3px;
      border: 1px solid transparent;
    }
    .btn-search:hover {
      background: var(--navy-deep);
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(3, 8, 91, 0.35);
      border-color: var(--brass);
      color: var(--parchment);
    }
    .btn-search i {
      color: var(--brass-light);
    }

    /* ----- table wrapper (elegant) ----- */
    .table-wrapper {
      background: var(--white);
      border-radius: 28px;
      padding: 1.2rem 0.8rem;
      box-shadow: 0 10px 40px rgba(3, 8, 91, 0.04);
      border: 1px solid rgba(182, 134, 63, 0.08);
      overflow: hidden;
    }
    .table thead th {
      background: var(--navy);
      color: var(--parchment);
      font-family: var(--font-display);
      font-weight: 600;
      border: none;
      padding: 1rem 0.8rem;
      text-transform: uppercase;
      font-size: 0.8rem;
      letter-spacing: 0.8px;
    }
    .table tbody tr {
      border-bottom: 1px solid #f0ebe0;
      transition: 0.15s;
    }
    .table tbody tr:hover {
      background: var(--parchment);
    }
    .table tbody td {
      padding: 0.9rem 0.6rem;
      vertical-align: middle;
      font-weight: 500;
      color: var(--ink);
      font-family: var(--font-body);
      font-size: 0.95rem;
    }
    .badge-number {
      background: var(--parchment-dark);
      color: var(--navy);
      font-family: var(--font-mono);
      font-weight: 500;
      padding: 0.3rem 1rem;
      border-radius: 40px;
      font-size: 0.85rem;
    }
    .badge-ano {
      background: var(--parchment);
      color: var(--navy-soft);
      font-family: var(--font-mono);
      font-weight: 500;
      padding: 0.3rem 1.2rem;
      border-radius: 40px;
      font-size: 0.8rem;
      border: 1px solid var(--brass-light);
    }
    .download-link {
      background: var(--parchment);
      padding: 0.3rem 1.4rem;
      border-radius: 50px;
      color: var(--navy);
      font-weight: 600;
      font-size: 0.85rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: 0.2s;
      border: 1px solid var(--brass-light);
      font-family: var(--font-body);
    }
    .download-link i {
      color: var(--brass);
    }
    .download-link:hover {
      background: var(--navy);
      color: var(--parchment);
      border-color: var(--navy);
      box-shadow: 0 6px 16px rgba(3, 8, 91, 0.2);
      text-decoration: none;
    }
    .download-link:hover i {
      color: var(--brass-light);
    }
    .no-result {
      text-align: center;
      padding: 2.5rem 0;
      color: var(--ink-soft);
      font-family: var(--font-body);
      font-weight: 500;
      font-size: 1rem;
    }
    .no-result i {
      color: var(--brass);
      margin-right: 10px;
    }

    /* footer */
    .footer-credit {
      margin-top: 2.5rem;
      padding: 1.2rem 0;
      color: var(--ink-soft);
      font-size: 0.9rem;
      text-align: center;
      border-top: 2px solid var(--parchment-dark);
      font-family: var(--font-body);
      letter-spacing: 0.3px;
    }
    .footer-credit i {
      color: var(--brass);
      margin: 0 6px;
    }

    /* ----- responsive fine-tune ----- */
    @media (max-width: 768px) {
      .top-nav .brand {
        font-size: 1.2rem;
      }
      .search-card {
        padding: 1.8rem 1.2rem;
        border-radius: 24px;
      }
      .search-card h2 {
        font-size: 1.5rem;
        padding-left: 0.8rem;
      }
      .btn-home {
        font-size: 0.8rem;
        padding: 0.25rem 1.2rem;
      }
      .table-wrapper {
        padding: 0.6rem 0.2rem;
        border-radius: 20px;
      }
      .table thead th, .table tbody td {
        font-size: 0.8rem;
        padding: 0.5rem 0.3rem;
      }
      .download-link {
        font-size: 0.75rem;
        padding: 0.2rem 0.9rem;
      }
    }
    @media (max-width: 576px) {
      .search-card {
        padding: 1.2rem 0.8rem;
      }
      .search-card h2 {
        font-size: 1.3rem;
      }
      .btn-search {
        width: 100%;
        justify-content: center;
      }
      .table thead th {
        font-size: 0.65rem;
        padding: 0.4rem 0.2rem;
        letter-spacing: 0.3px;
      }
      .table tbody td {
        font-size: 0.7rem;
        padding: 0.35rem 0.15rem;
      }
      .badge-number, .badge-ano {
        font-size: 0.65rem;
        padding: 0.1rem 0.6rem;
      }
      .download-link {
        font-size: 0.6rem;
        padding: 0.1rem 0.6rem;
        gap: 4px;
      }
    }