*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  :root {
    --bg:       #f5f6fa;
    --surface:  #ffffff;
    --sidebar:  #0f1117;
    --border:   #e8eaf0;
    --text:     #0f1117;
    --muted:    #8a8fa8;
    --accent:   #6c63ff;
    --income:   #00c48c;
    --expense:  #ff5c5c;
    --hover:    #f9f9fc;
  }
  
  body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
  }
  
  /* ── Sidebar ── */
  .sidebar {
    width: 230px;
    background: var(--sidebar);
    display: flex;
    flex-direction: column;
    padding: 28px 16px;
    gap: 4px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
  }
  
  .logo {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    padding: 0 12px;
    margin-bottom: 28px;
    letter-spacing: -0.3px;
  }
  
  .logo span {
    color: var(--accent);
  }
  
  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: #6b7080;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.18s;
  }
  
  .nav-item:hover  { background: rgba(255,255,255,0.07); color: #fff; }
  .nav-item.active { background: var(--accent); color: #fff; }
  
  .nav-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
  }
  
  /* ── Main ── */
  .main {
    flex: 1;
    padding: 36px 32px;
    overflow-y: auto;
  }
  
  /* ── Header ── */
  .page-header {
    margin-bottom: 28px;
  }
  
  .page-title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.6px;
  }
  
  .page-sub {
    color: var(--muted);
    font-size: 0.83rem;
    margin-top: 4px;
  }
  
  /* ── Kaartjes ── */
  .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
  }
  
  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
  }
  
  .card-label {
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 8px;
  }
  
  .card-value {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
  }
  
  .card-value.income  { color: var(--income); }
  .card-value.expense { color: var(--expense); }
  .card-value.balance { color: var(--accent); }
  
  /* ── Filterknopjes ── */
  .filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
  }
  
  .filter-btn {
    padding: 7px 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.18s;
  }
  
  .filter-btn:hover          { border-color: var(--accent); color: var(--text); }
  .filter-btn.active         { background: var(--accent);  border-color: var(--accent);  color: #fff; }
  .filter-btn.active-income  { background: var(--income);  border-color: var(--income);  color: #fff; }
  .filter-btn.active-expense { background: var(--expense); border-color: var(--expense); color: #fff; }
  
  /* ── Tabel ── */
  .table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
  }
  
  thead tr {
    border-bottom: 1px solid var(--border);
  }
  
  th {
    padding: 13px 20px;
    text-align: left;
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
  }
  
  th.right { text-align: right; }
  
  tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.13s;
    animation: fadeUp 0.3s ease both;
  }
  
  tbody tr:last-child { border-bottom: none; }
  tbody tr:hover { background: var(--hover); }
  
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  
  td {
    padding: 14px 20px;
    font-size: 0.875rem;
    vertical-align: middle;
  }
  
  td.right { text-align: right; }
  
  .tx-cell {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .tx-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
  }
  
  .tx-icon.income  { background: #e6faf4; }
  .tx-icon.expense { background: #fff0f0; }
  
  .tx-name {
    font-weight: 600;
    font-size: 0.88rem;
  }
  
  .tx-cat {
    font-size: 0.73rem;
    color: var(--muted);
    margin-top: 2px;
  }
  
  .date-cell {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--muted);
  }
  
  .badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
  }
  
  .badge.income  { background: #e6faf4; color: var(--income); }
  .badge.expense { background: #fff0f0; color: var(--expense); }
  
  .amount {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    font-weight: 500;
  }
  
  .amount.income  { color: var(--income); }
  .amount.expense { color: var(--expense); }
  
  .empty-row td {
    text-align: center;
    padding: 48px;
    color: var(--muted);
    font-size: 0.85rem;
  }
  
  /* ── Responsive ── */
  @media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar { width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; padding: 16px; }
    .cards { grid-template-columns: 1fr; }
    .main { padding: 20px 16px; }
  }