:root {
  --cf-blue: #f38020;
  --cf-blue-primary: #1d6fe0;
  --cf-blue-dark: #0b4a9e;
  --cf-blue-light: #e8f1fd;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1a1a2e;
  --text-muted: #5a6577;
  --border: #d8dee9;
  --danger: #e5484d;
  --danger-light: #fef0f0;
  --success: #2a9d4f;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --max-width: 960px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--cf-blue-primary); text-decoration: none; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1rem; }
.main { flex: 1; padding: 2rem 1rem; }

.navbar { background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.navbar__actions { display: flex; align-items: center; gap: 1rem; }
.navbar__user { color: var(--text-muted); font-size: 0.875rem; }

.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.25rem; color: var(--text); }
.brand__logo { color: var(--cf-blue-primary); font-size: 1.5rem; }

.hero { text-align: center; padding: 4rem 1rem 3rem; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--cf-blue-dark); }
.hero__subtitle { font-size: 1.15rem; color: var(--text-muted); max-width: 540px; margin: 0 auto 2rem; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.feature-card { background: var(--surface); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow); }
.feature-card h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

.card { background: var(--surface); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); margin-bottom: 1.5rem; }
.login-card { max-width: 440px; margin: 2rem auto; }
.login-card h1 { margin-bottom: 0.5rem; }
.login-card__hint { color: var(--text-muted); font-size: 0.925rem; margin-bottom: 1.5rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; padding: 0.625rem 1.25rem; border: 2px solid transparent; border-radius: 8px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: background 0.15s, border-color 0.15s, opacity 0.15s; font-family: var(--font); text-decoration: none; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--primary { background: var(--cf-blue-primary); color: #fff; border-color: var(--cf-blue-primary); }
.btn--primary:hover:not(:disabled) { background: var(--cf-blue-dark); border-color: var(--cf-blue-dark); }
.btn--outline { background: transparent; color: var(--cf-blue-primary); border-color: var(--cf-blue-primary); }
.btn--outline:hover:not(:disabled) { background: var(--cf-blue-light); }
.btn--link { background: transparent; border: none; color: var(--cf-blue-primary); padding: 0.5rem; width: 100%; margin-top: 0.5rem; }
.btn--lg { padding: 0.875rem 2.5rem; font-size: 1.05rem; }
.btn--sm { padding: 0.375rem 0.875rem; font-size: 0.85rem; }
.btn--block { width: 100%; }
.btn--danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn--danger:hover:not(:disabled) { background: var(--danger-light); }

.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: 0.375rem; font-weight: 600; font-size: 0.9rem; }
.required { color: var(--danger); }
.form-input { width: 100%; padding: 0.625rem 0.75rem; border: 1.5px solid var(--border); border-radius: 8px; font-size: 1rem; font-family: var(--font); background: var(--surface); color: var(--text); transition: border-color 0.15s, box-shadow 0.15s; }
.form-input:focus { outline: none; border-color: var(--cf-blue-primary); box-shadow: 0 0 0 3px rgba(29, 111, 224, 0.15); }
.form-input::placeholder { color: #a0a8b4; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 1.25rem; }
.form-meta { font-size: 0.825rem; color: var(--text-muted); margin-bottom: 1rem; }
.form-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.otp-section { margin-top: 1.5rem; }
hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

.message { margin-top: 1rem; padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.9rem; display: none; }
.message--show { display: block; }
.message--error { background: var(--danger-light); color: var(--danger); }
.message--success { background: #eaf7ee; color: var(--success); }

.dashboard-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.dashboard-header h1 { color: var(--cf-blue-dark); }

.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.925rem; }
.data-table th, .data-table td { text-align: left; padding: 0.75rem 0.875rem; border-bottom: 1px solid var(--border); }
.data-table th { font-weight: 600; color: var(--text-muted); font-size: 0.825rem; text-transform: uppercase; letter-spacing: 0.04em; }
.data-table tbody tr:hover { background: var(--cf-blue-light); }
.data-table .actions-cell { display: flex; gap: 0.5rem; white-space: nowrap; }

.loading, .empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state p { margin-bottom: 1rem; }
.hidden { display: none !important; }

.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 1.5rem 0; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

.kinderen-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.kind-item { background: var(--surface); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.kind-item__name { font-weight: 600; font-size: 1.05rem; color: var(--text); }
.kind-item__actions { display: flex; gap: 0.5rem; }

.sticker-lists { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.sticker-lists .card h2 { margin-bottom: 1rem; font-size: 1.05rem; }
.sticker-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.sticker-item { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 8px; gap: 0.5rem; flex-wrap: wrap; }
.sticker-item__nummer { font-weight: 600; }
.sticker-item__actions { display: flex; gap: 0.4rem; }
.sticker-item--empty { color: var(--text-muted); justify-content: center; border-style: dashed; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.75rem; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .form-grid { grid-template-columns: 1fr; }
  .card { padding: 1.25rem; }
  .navbar__user { display: none; }
  .dashboard-header h1 { font-size: 1.4rem; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 0.5rem; }
}