* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f0f2f5;
  color: #1a1a2e;
  font-size: 14px;
}

/* Layout */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  min-width: 220px;
  background: #1a1a2e;
  color: white;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 8px;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.sidebar-section .sidebar-nav { padding: 0; margin-top: 4px; }

.sidebar-nav button {
  background: none;
  border: none;
  color: rgba(255,255,255,.65);
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: all .15s;
}
.sidebar-nav button:hover { background: rgba(255,255,255,.1); color: white; }
.sidebar-nav button.active { background: rgba(255,255,255,.18); color: white; }

.sidebar-section {
  padding: 16px 12px 8px;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 12px;
}
.sidebar-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: rgba(255,255,255,.4);
  margin-bottom: 6px;
  padding: 0 8px;
}
.sidebar-section select {
  width: 100%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: white;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 12px;
}
.sidebar-section select option { background: #1a1a2e; }

.sidebar-actions {
  padding: 12px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-btn {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 12px;
  text-align: left;
  transition: all .15s;
}
.sidebar-btn:hover { background: rgba(255,255,255,.15); color: white; }
.sidebar-btn-warn {
  background: rgba(220,38,38,.2);
  border-color: rgba(220,38,38,.3);
  color: #fca5a5;
}
.sidebar-btn-warn:hover { background: rgba(220,38,38,.3); color: #fecaca; }

main { flex: 1; padding: 24px; min-width: 0; }

.page { display: none; }
.page.active { display: block; }

h2 { font-size: 18px; font-weight: 600; margin-bottom: 16px; }

/* Cards */
.card {
  background: white;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* Periode header */
.periode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.periode-header select {
  padding: 6px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
}

/* Totalen balk */
.totalen {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.totaal-item {
  background: white;
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

.totaal-item .label { font-size: 12px; color: #6b7280; margin-bottom: 4px; }
.totaal-item .bedrag { font-size: 22px; font-weight: 700; }
.totaal-item.verwacht .bedrag { color: #374151; }
.totaal-item.betaald .bedrag { color: #16a34a; }
.totaal-item.open .bedrag { color: #dc2626; }

/* Lasten tabel */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #6b7280;
  border-bottom: 2px solid #f3f4f6;
}
td { padding: 10px 12px; border-bottom: 1px solid #f3f4f6; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge.betaald { background: #dbeafe; color: #1d4ed8; }
.badge.open { background: #fee2e2; color: #b91c1c; }
.badge.verwacht { background: #f3f4f6; color: #6b7280; }
.badge.overgeslagen { background: #fef3c7; color: #92400e; }
.badge.inactief { background: #f3f4f6; color: #9ca3af; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
}
.btn-primary { background: #1a1a2e; color: white; }
.btn-primary:hover { background: #2d2d44; }
.btn-secondary { background: #f3f4f6; color: #374151; }
.btn-secondary:hover { background: #e5e7eb; }
.btn-danger { background: #fee2e2; color: #b91c1c; }
.btn-danger:hover { background: #fecaca; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

.toolbar { display: flex; gap: 8px; margin-bottom: 16px; }

/* Formulieren */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid .full { grid-column: 1 / -1; }

label { display: block; font-size: 12px; font-weight: 500; color: #374151; margin-bottom: 4px; }

input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d5db;
  border-radius: 7px;
  font-size: 13px;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #1a1a2e;
}

.form-actions { display: flex; gap: 8px; margin-top: 16px; justify-content: flex-end; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: white;
  border-radius: 12px;
  padding: 24px;
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.modal h3 { font-size: 16px; margin-bottom: 20px; }

/* Import preview tabel */
.import-preview { max-height: 300px; overflow-y: auto; margin: 12px 0; }
.import-preview table td { font-size: 12px; padding: 6px 10px; }

/* Transacties in overzicht */
.transacties-sectie { margin-top: 24px; }
.transacties-sectie h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: #6b7280; }

.ongekoppeld { background: #fffbeb; }

/* Lege staat */
.empty { text-align: center; padding: 40px; color: #9ca3af; }

/* Acties dropdown (kebab menu) */
.acties-menu { position: relative; display: inline-block; }
.acties-btn {
  background: none;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  cursor: pointer;
  padding: 2px 8px;
  font-size: 16px;
  color: #6b7280;
  line-height: 1.4;
  transition: all .15s;
}
.acties-btn:hover { background: #f3f4f6; color: #374151; border-color: #d1d5db; }
.acties-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  z-index: 50;
  min-width: 180px;
  padding: 4px 0;
}
.acties-dropdown.open { display: block; }
.acties-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  color: #374151;
}
.acties-dropdown button:hover { background: #f3f4f6; }
.acties-dropdown button.danger { color: #b91c1c; }
.acties-dropdown button.danger:hover { background: #fee2e2; }
.acties-dropdown .menu-divider { height: 1px; background: #f3f4f6; margin: 4px 0; }

/* Grafieken */
.grafieken-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.chart-titel { font-size: 14px; font-weight: 600; margin-bottom: 16px; color: #374151; }
.chart-wrap { position: relative; height: 280px; }

/* Dashboard actie-knoppen (stijl gebaseerd op bookkeeping app) */
.btn-dash-actie {
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
}
.btn-dash-primary { background: #1a1a2e; color: #fff; }
.btn-dash-primary:hover { opacity: .85; }
.btn-dash-secondary { background: transparent; border: 1px solid #d1d5db; color: #374151; }
.btn-dash-secondary:hover { background: #f3f4f6; }
.btn-dash-secondary.actief { background: #1a1a2e; border-color: #1a1a2e; color: #fff; }

/* Toggle actief */
.toggle {
  width: 36px; height: 20px;
  background: #d1d5db;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  transition: background .2s;
  border: none;
}
.toggle.on { background: #16a34a; }
.toggle::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  background: white;
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: left .2s;
}
.toggle.on::after { left: 18px; }