/* ── PROFESSIONAL NAV BAR ── */
  .app-nav {
    display: flex;
    align-items: center;
    width: 100%;
    height: 64px;
    background: white;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 2000;
    font-family: 'Inter', sans-serif;
    padding: 0 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  }

  .nb-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-right: 40px;
  }

  .nb-brand-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .nb-brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .nb-brand-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.02em;
  }

  .nb-brand-short {
    display: none;
  }

  @media(max-width: 640px) {
    .nb-brand-full {
      display: none;
    }

    .nb-brand-short {
      display: inline;
    }
  }

  .nb-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nb-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
    text-decoration: none !important;
    transition: all 0.2s ease;
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
  }

  .nb-link:hover {
    color: #0f172a;
    background: #f1f5f9;
  }

  .nb-link.active {
    color: #2563eb;
    background: #eff6ff;
  }

  .nb-link svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke-width: 2;
  }

  /* ── DROPDOWNS ── */
  .nb-dropdown {
    position: relative;
  }

  .nb-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 8px;
    min-width: 220px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 2500;
  }

  .nb-dropdown.open .nb-dropdown-menu {
    display: block;
  }

  .nb-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none !important;
    transition: background 0.15s;
  }

  .nb-dropdown-item:hover {
    background: #f8fafc;
    color: #2563eb;
  }

  .nb-dropdown-item svg {
    width: 14px;
    height: 14px;
    opacity: 0.5;
  }

  /* ── USER CHIP ── */
  .nb-user {
    margin-left: auto;
    display: flex;
    align-items: center;
  }

  .nb-landing-active {
    background: #eff6ff !important;
    color: #2563eb !important;
  }

  .nb-logout {
    padding: 10px 24px;
    background: #fce7e7;
    color: #d63333;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none !important;
    transition: all 0.2s;
  }

  .nb-logout:hover {
    background: #fbcaca;
    color: #b91c1c;
  }

  /* ── HAMBURGER ── */
  .nb-hamburger {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    color: #475569;
    cursor: pointer;
    margin-right: 8px;
    outline: none;
  }

  @media(max-width: 1024px) {
    .app-nav {
      padding: 0 16px;
      justify-content: space-between;
    }

    .nb-hamburger {
      display: block;
    }

    .nb-brand {
      margin-right: 0;
    }

    .nb-menu {
      display: none;
      position: absolute;
      top: 64px;
      left: 0;
      width: 100%;
      background: white;
      border-bottom: 1px solid #e2e8f0;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: 8px 0;
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
      z-index: 1999;
    }

    .nb-menu.open {
      display: flex;
    }

    .nb-link {
      padding: 14px 20px;
      border-radius: 0;
      font-size: 0.9375rem;
    }

    .nb-dropdown-menu {
      position: static;
      width: 100%;
      box-shadow: none !important;
      border: none;
      background: #f8fafc;
      padding: 4px 0 4px 40px;
    }

    .nb-user {
      margin-left: 0;
    }

    .nb-brand-text {
      font-size: 1rem;
    }

    #dd-profile .nb-dropdown-menu {
      position: absolute !important;
      width: auto !important;
      min-width: 200px;
      padding: 8px !important;
      background: white;
      border: 1px solid #e2e8f0 !important;
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1) !important;
      top: calc(100% + 8px);
      right: 0;
      left: auto;
    }
  }