:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e2e4e9;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2c5f7c;
  --accent-dark: #1f4359;
  --danger: #c0392b;
  --success: #1e8e5a;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: var(--accent-dark);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  flex-wrap: wrap;
}

.topbar .brand { font-weight: 700; font-size: 18px; color: white; order: 1; }
.topbar .brand:hover { text-decoration: none; }

.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; order: 2; }

.topbar nav a {
  color: rgba(255,255,255,0.85);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
}

.topbar nav a:hover, .topbar nav a.actief {
  background: rgba(255,255,255,0.15);
  color: white;
  text-decoration: none;
}

.topbar form { margin: 0; }

.topbar button.logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}
.topbar button.logout:hover { background: rgba(255,255,255,0.15); }

.topbar-rechts {
  display: flex;
  align-items: center;
  gap: 10px;
  order: 3;
}

.nav-toggle-input { display: none; }

.nav-toggle-btn {
  display: none;
  color: white;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.4);
}
.nav-toggle-btn:hover { background: rgba(255,255,255,0.15); }

/* Mobiel: menu-items achter een hamburger-knop */
@media (max-width: 860px) {
  .topbar { height: auto; padding: 10px 16px; }
  .nav-toggle-btn { display: inline-block; }

  .topbar nav {
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    gap: 2px;
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
    border-top: 0 solid rgba(255,255,255,0.15);
    transition: max-height 0.2s ease;
  }
  .topbar nav a { padding: 12px 10px; }

  .nav-toggle-input:checked ~ nav {
    max-height: 400px;
    margin-top: 10px;
    padding-top: 10px;
    border-top-width: 1px;
  }
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.subtitel { color: var(--muted); margin: 0 0 24px; font-size: 14px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn.secundair { background: white; color: var(--text); border: 1px solid var(--border); }
.btn.secundair:hover { background: #f0f1f3; }
.btn.gevaar { background: var(--danger); }
.btn.gevaar:hover { background: #96271c; }
.btn.klein { padding: 5px 10px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfc; }

.badge {
  display: inline-block;
  background: #e7eef2;
  color: var(--accent-dark);
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  margin: 2px 4px 2px 0;
}

.badge.klein { padding: 2px 7px; font-size: 11px; }

form.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
form.form-grid.smal { grid-template-columns: 1fr; }
form.form-grid .volledig { grid-column: 1 / -1; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }

input[type=text], input[type=email], input[type=number], input[type=date], input[type=password],
select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: white;
  color: var(--text);
  font-family: inherit;
}

textarea { resize: vertical; min-height: 60px; }

.checkbox-lijst {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
}
.checkbox-lijst label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--text);
  font-size: 14px;
}
.checkbox-lijst input { width: auto; }

.form-actions { margin-top: 4px; display: flex; gap: 10px; }

.leeg { color: var(--muted); font-style: italic; padding: 16px 0; }

.flex-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.acties { display: flex; gap: 8px; }
.acties form { display: inline; }

.melding {
  background: #fdecea;
  border: 1px solid #f5c6c0;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-card .waarde { font-size: 26px; font-weight: 700; color: var(--accent-dark); }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.bar-track {
  background: #eceef1;
  border-radius: 999px;
  height: 8px;
  width: 100%;
  overflow: hidden;
}
.bar-fill { background: var(--accent); height: 100%; border-radius: 999px; }
.bar-fill.hoog { background: var(--success); }
.bar-fill.laag { background: #d69e2e; }

.periode-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 320px;
  max-width: 90vw;
  box-sizing: border-box;
}
.login-card h1 { text-align: center; margin-bottom: 20px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
  form.form-grid { grid-template-columns: 1fr; }
  main { padding: 20px 14px 40px; }
  .page-header h1 { font-size: 19px; }
  .stat-card .waarde { font-size: 22px; }
  .btn, .btn.klein { padding: 8px 12px; }
}

@media (max-width: 500px) {
  #kaart { height: 380px !important; }
}