:root {
    --groen: #2e7d32;
    --groen-licht: #e8f5e9;
    --rood: #c62828;
    --rood-licht: #ffebee;
    --grijs: #616161;
    --grijs-licht: #f5f5f5;
    --geel: #fff59d;
    --rand: #ddd;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    margin: 0;
    background: #fafafa;
    color: #222;
}

.topnav {
    background: #1b1b1b;
    color: #fff;
}
.topnav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.brand { color: #fff; text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.topnav nav a {
    color: #ccc;
    text-decoration: none;
    margin-right: 1.25rem;
    font-size: 0.95rem;
}
.topnav nav a:hover { color: #fff; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem 4rem;
}

.card {
    background: #fff;
    border: 1px solid var(--rand);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card h1 { margin-top: 0; }
.muted { color: #777; font-size: 0.9rem; }

.form { display: flex; flex-direction: column; gap: 0.5rem; max-width: 420px; }
.form-inline { display: flex; gap: 0.5rem; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    max-width: 640px;
}
.form-grid .span-2 { grid-column: span 2; }
.form-grid label, .form label {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: #444;
    gap: 0.25rem;
}
input, select, button {
    font-size: 0.95rem;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--rand);
    border-radius: 5px;
}
button {
    cursor: pointer;
    background: var(--groen);
    color: #fff;
    border: none;
    font-weight: 600;
}
button:hover { opacity: 0.9; }

.button {
    display: inline-block;
    background: var(--groen);
    color: #fff;
    text-decoration: none;
    padding: 0.55rem 1rem;
    border-radius: 5px;
    font-weight: 600;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
}
.button-secondary { background: var(--grijs); }
.button-klein { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.button-rood { background: var(--rood); }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.data-table th, .data-table td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--rand);
}
.data-table th { background: var(--grijs-licht); }
.cel-gewijzigd { background: var(--geel); font-weight: 600; }
.rij-mislukt { opacity: 0.55; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-groen { background: var(--groen-licht); color: var(--groen); }
.badge-grijs { background: var(--grijs-licht); color: var(--grijs); }
.badge-rood { background: var(--rood-licht); color: var(--rood); }

.stats-list { padding-left: 1.1rem; }
.stats-list li { margin-bottom: 0.25rem; }

.flash {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.flash-ok { background: var(--groen-licht); color: var(--groen); }
.flash-fout { background: var(--rood-licht); color: var(--rood); }