/* Beheer - De eerste noot */
:root {
    --blue: #12406b;
    --blue-dark: #0d2f50;
    --blue-light: #e8f0f8;
    --amber: #f5a623;
    --teal: #1fa39a;
    --coral: #ef6a5a;
    --ink: #20242c;
    --muted: #6b7280;
    --line: #e3e7ee;
    --bg: #f2f5f9;
    --font: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; }
a { color: var(--blue); }
img { max-width: 100%; }

.admin-layout { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }

.sidebar { background: var(--blue-dark); color: #cfe0f0; padding: 1.2rem; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar h1 { font-size: 1.2rem; color: #fff; margin: .2rem 0 1.2rem; }
.sidebar h1 span { color: var(--amber); }
.sidebar nav { display: flex; flex-direction: column; gap: .2rem; }
.sidebar nav a { color: #cfe0f0; text-decoration: none; padding: .6rem .8rem; border-radius: 8px; font-weight: 600; font-size: .95rem; }
.sidebar nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
.sidebar nav a.active { background: var(--amber); color: #3a2a00; }
.sidebar .sidebar-foot { margin-top: 1.5rem; font-size: .82rem; color: #8fa9c4; }

.admin-main { padding: 1.5rem 2rem 3rem; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.admin-topbar h2 { margin: 0; color: var(--blue-dark); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.2rem; }
.stat .num { font-size: 2rem; font-weight: 800; color: var(--blue); }
.stat .lbl { color: var(--muted); font-size: .9rem; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; margin-bottom: 1.5rem; }
.panel h3 { margin-top: 0; }

table { width: 100%; border-collapse: collapse; background: #fff; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
th, td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--blue-light); color: var(--blue-dark); font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafcff; }

.btn { display: inline-block; font-weight: 700; text-decoration: none; padding: .55rem 1rem; border-radius: 8px; border: 2px solid transparent; cursor: pointer; font-size: .9rem; }
.btn-primary { background: var(--amber); color: #3a2a00; }
.btn-primary:hover { background: #d98a0a; color: #fff; }
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-danger { background: #fff; border-color: var(--coral); color: #b0342a; }
.btn-danger:hover { background: var(--coral); color: #fff; }
.btn-sm { padding: .35rem .7rem; font-size: .82rem; }

label { font-weight: 600; color: var(--blue-dark); font-size: .9rem; display: block; margin-bottom: .25rem; }
input[type=text], input[type=email], input[type=tel], input[type=number], input[type=password],
input[type=date], input[type=url], select, textarea {
    font: inherit; padding: .55rem .7rem; border: 1px solid #cfd6e0; border-radius: 8px; width: 100%; background: #fff;
}
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(31,163,154,.3); border-color: var(--teal); }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.field-full { grid-column: 1 / -1; }
.hint { color: var(--muted); font-size: .82rem; font-weight: 400; }

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: .8rem; font-weight: 600; }
.flash-success { background: #e6f7ec; color: #14663a; }
.flash-error { background: #fdecea; color: #8a1c12; }
.flash-info { background: var(--blue-light); color: var(--blue-dark); }

.badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge-nieuw { background: #fff3d6; color: #8a5a00; }
.badge-in_gesprek { background: #e0eefb; color: #12406b; }
.badge-ingedeeld { background: #e6f7ec; color: #14663a; }
.badge-afgemeld { background: #f0f1f3; color: #555; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.login-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 2rem; width: min(420px, 100%); box-shadow: 0 20px 50px rgba(18,64,107,.12); }
.login-card h1 { color: var(--blue-dark); margin-top: 0; }

.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.inline-form { display: inline; }
details.inline { display: inline; }
.muted { color: var(--muted); }

@media (max-width: 820px) {
    .admin-layout { grid-template-columns: 1fr; }
    .sidebar { height: auto; position: static; }
    .sidebar nav { flex-direction: row; flex-wrap: wrap; }
    .admin-main { padding: 1rem; }
    .form-grid { grid-template-columns: 1fr; }
}