:root {
    --primary: #1c3f60;
    --primary-light: #2f6690;
    --accent: #e08e2c;
    --bg: #f4f6f9;
    --card-bg: #ffffff;
    --border: #e1e5eb;
    --text: #1f2733;
    --muted: #6b7685;
    --success: #2e7d32;
    --error: #c0392b;
    --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); }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.2rem 0 0.6rem; }
a { color: var(--primary-light); text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.topbar { display:flex; align-items:center; justify-content:space-between; background: var(--primary); color:#fff; padding: 0.8rem 1.5rem; flex-wrap: wrap; gap: 0.5rem; }
.topbar-brand { font-weight: 700; font-size: 1.1rem; }
.topbar-brand span { color: var(--accent); }
.topbar-nav a { color: #d9e4ef; margin-right: 1rem; font-size: 0.92rem; }
.topbar-nav a:hover { color: #fff; }
.topbar-user { color: #cfe0ee; font-size: 0.85rem; display:flex; align-items:center; gap: 1rem; }
.btn-link { color: #fff !important; text-decoration: underline; }

.page-content { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.site-footer { text-align:center; color: var(--muted); font-size: 0.8rem; padding: 2rem 0; }

.tile-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.tile-grid-compact { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.tile { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:0.5rem; background: var(--card-bg); border:1px solid var(--border); border-radius: var(--radius); padding: 2rem 1rem; font-weight:600; font-size:1.05rem; box-shadow: 0 1px 3px rgba(0,0,0,0.04); transition: transform .1s ease, box-shadow .1s ease; }
.tile:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.08); }
.tile-primary { background: var(--primary); color:#fff; }
.tile-secondary { background: var(--accent); color:#fff; }
.tile-icon { font-size: 2rem; }

.kpi-row { display:grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap:1rem; margin: 1rem 0 2rem; }
.kpi-card { background: var(--card-bg); border:1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; }
.kpi-card h3 { margin:0 0 .3rem; font-size:0.85rem; color: var(--muted); text-transform:uppercase; letter-spacing:.03em; }
.kpi-value { font-size: 1.8rem; font-weight:700; margin: 0.1rem 0; color: var(--primary); }
.kpi-label { margin:0; color: var(--muted); font-size:0.85rem; }
.kpi-sub { margin: .3rem 0 0; font-size:0.85rem; }

.card { background: var(--card-bg); border:1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; margin-bottom: 1.2rem; }

.auth-wrap { display:flex; align-items:center; justify-content:center; min-height: 90vh; }
.auth-card { background:#fff; border-radius: var(--radius); padding: 2.2rem; width: 100%; max-width: 380px; box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.auth-card h1 { text-align:center; color: var(--primary); }

form label { display:block; font-size:0.85rem; font-weight:600; margin: 0.8rem 0 0.3rem; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], textarea, select {
    width:100%; padding: 0.65rem 0.8rem; border:1px solid var(--border); border-radius: 8px; font-size: 1rem; background:#fff;
}
textarea { min-height: 80px; }
.checkbox-row { display:flex; align-items:center; gap:.5rem; font-weight:400; }
.checkbox-row input { width:auto; }
.radio-row { display:flex; gap:1.5rem; margin: .5rem 0; }
.radio-row label { display:flex; align-items:center; gap:.4rem; font-weight:400; }

.btn { display:inline-block; padding: 0.7rem 1.4rem; border-radius: 8px; border:none; font-weight:600; cursor:pointer; font-size: 0.95rem; text-align:center; }
.btn-primary { background: var(--primary); color:#fff; }
.btn-secondary { background:#eceff3; color: var(--text); }
.btn-danger { background: var(--error); color:#fff; }
.btn-block { width:100%; margin-top:1rem; }
.btn-large { padding: 1rem 1.8rem; font-size: 1.05rem; margin-top: 1rem; }

.alert { padding: 0.8rem 1rem; border-radius: 8px; margin-bottom:1rem; font-size:0.9rem; }
.alert-error { background:#fdecea; color: var(--error); border:1px solid #f5c6c0; }
.alert-success { background:#e8f5e9; color: var(--success); border:1px solid #c8e6c9; }

.wizard-card { background:#fff; border-radius: var(--radius); padding: 2rem; max-width: 760px; margin: 0 auto; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.wizard-card.center { text-align:center; }
.wizard-progress { display:flex; justify-content:space-between; max-width: 760px; margin: 0 auto 1.5rem; }
.wizard-step { flex:1; text-align:center; font-size: 0.75rem; color: var(--muted); position:relative; }
.wizard-step-num { display:inline-flex; align-items:center; justify-content:center; width:28px; height:28px; border-radius:50%; background:#e1e5eb; color:#fff; margin-bottom:4px; font-weight:700; }
.wizard-step.active .wizard-step-num { background: var(--accent); }
.wizard-step.done .wizard-step-num { background: var(--success); }
.wizard-step-label { display:block; }
.wizard-actions { display:flex; gap:1rem; margin-top:1.5rem; flex-wrap:wrap; }
.form-grid .form-row { margin-bottom: 0.6rem; }
.two-col { display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.agree-text { background:#f7f8fa; padding:1rem; border-radius:8px; font-size:0.95rem; }
.hint { font-size:0.8rem; color: var(--muted); }
.field-error { color: var(--error); font-size:0.8rem; }

.overview-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem; margin: 1rem 0; }
.overview-grid.center { text-align:center; }

.product-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1rem; }
.product-choice { border:2px solid var(--border); border-radius: var(--radius); padding: 1.2rem; cursor:pointer; display:flex; flex-direction:column; gap:.3rem; position:relative; }
.product-choice input { position:absolute; top:10px; right:10px; }
.product-choice-name { font-weight:700; }
.product-choice-cat { color: var(--muted); font-size:0.8rem; }
.product-choice-price { color: var(--primary); font-weight:700; }

.data-table { width:100%; border-collapse: collapse; background:#fff; border-radius: var(--radius); overflow:hidden; }
.data-table th, .data-table td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border); text-align:left; font-size: 0.9rem; }
.data-table.small th, .data-table.small td { padding: 0.4rem 0.6rem; }
.data-table th { background:#f7f8fa; font-size:0.75rem; text-transform:uppercase; color: var(--muted); }

.status-badge { display:inline-block; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.75rem; font-weight:600; background:#eceff3; }
.status-bevestigd, .status-goedgekeurd, .status-afgerond, .status-ondertekend { background:#e8f5e9; color: var(--success); }
.status-geannuleerd, .status-afgewezen { background:#fdecea; color: var(--error); }
.flag-badge { color: var(--accent); margin-left: 0.3rem; }

.filter-row { margin-bottom: 1rem; }
.detail-columns { display:grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1rem; }

@media (max-width: 640px) {
    .two-col { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; align-items: flex-start; }
}