/* Inzettool - Functionele spreadsheet-achtige UI */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --sidebar-width: 220px;

    /* Standaard themakleur (blauw) */
    --theme: 220, 80%, 50%;
    --theme-head: hsla(var(--theme), 0.12);
    --theme-row-even: hsla(var(--theme), 0.04);
    --theme-row-odd: hsla(var(--theme), 0.00);
    --theme-row-hover: hsla(var(--theme), 0.09);
    --theme-accent: hsla(var(--theme), 0.18);
    --theme-border: hsla(var(--theme), 0.15);
    --theme-bar: hsl(var(--theme));
}

/* Thema per pagina */
.theme-dashboard    { --theme: 220, 70%, 50%; }    /* blauw */
.theme-settings     { --theme: 260, 55%, 55%; }    /* paars */
.theme-docenten     { --theme: 200, 70%, 45%; }    /* cyaan */
.theme-beschikbaar  { --theme: 170, 55%, 42%; }    /* teal */
.theme-klassen      { --theme: 30, 75%, 50%; }     /* oranje */
.theme-lesplanner   { --theme: 145, 55%, 42%; }    /* groen */
.theme-examen       { --theme: 340, 60%, 52%; }    /* roze */
.theme-oca          { --theme: 280, 50%, 55%; }    /* violet */
.theme-regierollen  { --theme: 15, 70%, 52%; }     /* warm oranje */
.theme-werkverdeling { --theme: 210, 65%, 48%; }   /* staalblauw */
.theme-analyse      { --theme: 250, 55%, 50%; }    /* indigo */
.theme-inzetplaatje { --theme: 190, 60%, 42%; }    /* petrol */
.theme-admin        { --theme: 0, 0%, 45%; }       /* neutraal grijs */

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.4;
}

/* Layout */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem 0;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}
/* App-branding footer onderin sidebar */
.sidebar-footer {
    margin-top: auto;
    padding: 0.7rem 1rem 0.5rem;
    border-top: 1px solid #334155;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}
.sidebar-footer .app-logo {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: hsl(220, 70%, 55%);
}
.sidebar-footer .app-name {
    text-transform: uppercase;
}
.sidebar-logo {
    padding: 0 1rem 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid #334155;
    margin-bottom: 0.5rem;
    text-align: center;
    min-height: 1.5rem;
}
.sidebar-logo .school-logo {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    background: #fff;
    padding: 0.3rem;
    border-radius: 4px;
}
.sidebar-user {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: #94a3b8;
    border-bottom: 1px solid #334155;
    margin-bottom: 0.5rem;
}
.sidebar-section {
    padding: 0.5rem 1rem 0.25rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
}
.sidebar a {
    display: block;
    padding: 0.4rem 1rem;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.15s;
}
.sidebar a:hover, .sidebar a.active {
    background: #334155;
    color: #fff;
}

/* Sub-menu: flyout-overlay rechts naast de sidebar.
   position: fixed ontsnapt aan de overflow-y van .sidebar en neemt geen ruimte in,
   dus de hoofditems verspringen niet bij hover. De verticale positie wordt door
   app.js exact op het hoofditem gezet (fallback: static positie via top:auto). */
.sidebar .nav-item-wrap {
    position: relative;
}
.sidebar .nav-item-wrap > .nav-submenu {
    display: none;
    position: fixed;
    left: var(--sidebar-width);
    min-width: 210px;
    max-width: 300px;
    background: #273449;
    border: 1px solid #3b4a63;
    border-left: 3px solid hsl(var(--theme));
    border-radius: 0 6px 6px 0;
    box-shadow: 4px 4px 14px rgba(0, 0, 0, 0.35);
    padding: 0.3rem 0;
    z-index: 200;
}
.sidebar .nav-item-wrap:hover > .nav-submenu,
.sidebar .nav-item-wrap.is-open > .nav-submenu {
    display: block;
}
.sidebar .nav-item-wrap:hover > a.has-sub {
    background: #334155;
    color: #fff;
}
.sidebar .nav-submenu a,
.sidebar .nav-submenu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.4rem 1rem;
    color: #cbd5e1;
    background: transparent;
    border: none;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.sidebar .nav-submenu a:hover,
.sidebar .nav-submenu button:hover {
    background: #334155;
    color: #fff;
}
.sidebar .nav-submenu form {
    margin: 0;
}
.sidebar .nav-submenu-divider {
    border-top: 1px solid #334155;
    margin: 0.25rem 0;
}
/* Pijltje rechts om aan te geven dat er een submenu is */
.sidebar .nav-item-wrap > a.has-sub::after {
    content: '▸';
    float: right;
    color: #64748b;
    font-size: 0.7rem;
    margin-top: 2px;
}
.sidebar .nav-item-wrap:hover > a.has-sub::after {
    color: #cbd5e1;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 1.5rem;
    min-width: 0;
}

/* Top bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--theme-bar);
}
.top-bar h1 {
    font-size: 1.3rem;
    font-weight: 600;
    color: hsl(var(--theme));
}

/* Cards */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}
.card-header {
    font-weight: 600;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--theme-border);
    color: hsl(var(--theme));
}

/* ============================================================
   TABELLEN met thema-kleuren
   ============================================================ */
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--theme-border);
}
table.data-table th,
table.data-table td {
    padding: 0.4rem 0.6rem;
    border: 1px solid hsla(var(--theme), 0.10);
    text-align: left;
    white-space: nowrap;
}
table.data-table th {
    background: var(--theme-head);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
    color: hsl(var(--theme));
    border-bottom: 2px solid var(--theme-border);
}
table.data-table tbody tr:nth-child(even) {
    background: var(--theme-row-even);
}
table.data-table tbody tr:nth-child(odd) {
    background: var(--theme-row-odd);
}
table.data-table tbody tr:hover {
    background: var(--theme-row-hover);
}
table.data-table tfoot td {
    background: var(--theme-head);
    font-weight: 600;
    border-top: 2px solid var(--theme-border);
}
table.data-table td.number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}
table.data-table .row-total {
    font-weight: 700;
    background: var(--theme-head);
}

/* Saldo kleuren */
.saldo-positief { color: var(--success); font-weight: 600; }
.saldo-negatief { color: var(--danger); font-weight: 600; }
table.data-table .saldo-positief { color: var(--success); font-weight: 700; }
table.data-table .saldo-negatief { color: var(--danger); font-weight: 700; }

/* Speciale rijen */
.row-saldo td { border-top: 2px solid hsl(var(--theme)); font-weight: 600; background: var(--theme-accent) !important; }
.row-subtotal td { border-top: 1px solid var(--theme-border); font-weight: 600; background: var(--theme-row-even) !important; }
.row-section td { padding-top: 0.75rem; font-weight: 600; background: transparent !important; }
.row-header td { font-weight: 600; background: var(--theme-head) !important; }
.row-calculated td { color: var(--text-muted); font-style: italic; }

/* Werkverdeling tabel — vaste kolombreedtes zodat de docent-kolommen in de
   drie onder elkaar staande tabellen (1200-blok, 400-blok, Saldo totaal)
   precies uitlijnen. Zonder table-layout:fixed bepaalt elke tabel haar
   kolombreedtes onafhankelijk op basis van haar eigen langste label
   (bv. "Duurzame inzetbaarheid (indicatief)" in het 400-blok), waardoor de
   docent-kolommen tussen de tabellen verschuiven. */
.werkverdeling-table { table-layout: fixed; }
.werkverdeling-table th,
.werkverdeling-table td {
    width: 76px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.werkverdeling-table td:first-child,
.werkverdeling-table th:first-child {
    width: 190px;
    white-space: normal;
    font-weight: 500;
    overflow: visible;
    text-overflow: clip;
}

/* Compact tabel variant */
table.data-table.compact th,
table.data-table.compact td {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
}

/* ============================================================
   FORMULIEREN
   ============================================================ */
.form-group { margin-bottom: 0.75rem; }
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: hsl(var(--theme));
    box-shadow: 0 0 0 2px hsla(var(--theme), 0.15);
}

/* Compact inputs in tabellen */
.input-sm {
    padding: 5px 6px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 3px;
    width: 100%;
    box-sizing: border-box;
}
.input-number {
    text-align: right;
    min-width: 90px;
    width: 90px;
    -moz-appearance: textfield;
}
.input-number::-webkit-inner-spin-button,
.input-number::-webkit-outer-spin-button { opacity: 1; height: auto; }
select.input-sm { min-width: 80px; width: 80px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    border: none;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}
.btn-primary { background: hsl(var(--theme)); color: #fff; }
.btn-primary:hover { background: hsl(var(--theme)); filter: brightness(0.9); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { background: var(--theme-row-even); }

/* Flash messages */
.flash {
    padding: 0.6rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}
.flash-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.flex { display: flex; }
.flex-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.8rem; }

/* Table scroll wrapper */
.table-scroll { overflow-x: auto; max-width: 100%; }

/* Modal */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    align-items: center;
    justify-content: center;
}
.modal-backdrop.active { display: flex; }
.modal {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    min-width: 400px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    border-top: 4px solid hsl(var(--theme));
}
.modal h2 { margin-bottom: 1rem; font-size: 1.1rem; color: hsl(var(--theme)); }
/* Sluitkruisje rechtsboven in een modal */
.modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 0.25rem;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}
.modal-close:hover {
    background: hsl(var(--theme-head));
    color: hsl(var(--theme));
}
.modal h3 { margin: 0.75rem 0 0.5rem; font-size: 0.95rem; color: hsl(var(--theme)); }
.modal-wide { min-width: 600px; }
.modal hr { border: none; border-top: 1px solid hsl(var(--theme-border)); margin: 1rem 0; }

.badge-new {
    display: inline-block;
    background: hsl(var(--theme));
    color: white;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    margin-left: 0.25rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Indicatieve rij: getallen ter info, niet in optellingen */
.row-indicatief td {
    font-style: italic;
    color: #64748b;
    background: rgba(100, 116, 139, 0.05);
}

.badge-locked {
    display: inline-block;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    font-weight: 600;
    vertical-align: middle;
}

/* Info-icon (klikbaar) — opent modal met de volledige beschrijving */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: hsl(var(--theme));
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    font-style: italic;
    font-family: Georgia, serif;
    cursor: pointer;
    margin-left: 0.4rem;
    vertical-align: middle;
    user-select: none;
    border: none;
    transition: transform 0.1s, box-shadow 0.1s;
}
.info-icon:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 3px hsla(var(--theme), 0.25);
}

.bpv-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}
.bpv-dag-cell {
    border: 1px solid hsl(var(--theme-border));
    border-radius: 4px;
    padding: 0.4rem;
    background: hsl(var(--theme-row-odd));
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.bpv-dag-cell label { font-weight: 600; }
.bpv-dag-cell .input-number { width: 100%; }

.filter-list {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid hsl(var(--theme-border));
    border-radius: 4px;
    padding: 0.4rem 0.6rem;
    background: hsl(var(--theme-row-odd));
}
.filter-list .filter-item {
    display: block;
    padding: 0.15rem 0;
    font-size: 0.85rem;
    cursor: pointer;
}
.filter-list .filter-item:hover {
    background: hsl(var(--theme-row-hover));
}

/* Beschikbaarheid grid specifiek */
.besch-grid td { text-align: center; padding: 0.2rem; }
.besch-grid .beschikbaar { background: #dcfce7; cursor: pointer; }
.besch-grid .niet-beschikbaar { background: #fef2f2; cursor: pointer; }

/* Beschikbaarheid form grid */
.beschikbaarheid-form { display: flex; flex-wrap: wrap; gap: 1rem; padding: 1rem; }
.beschikbaarheid-periode { flex: 1; min-width: 200px; }
.beschikbaarheid-periode h4 { margin-bottom: 0.5rem; font-size: 0.85rem; color: hsl(var(--theme)); }
.beschikbaarheid-grid { width: 100%; border-collapse: collapse; }
.beschikbaarheid-grid th, .beschikbaarheid-grid td { padding: 4px 8px; text-align: center; border: 1px solid var(--border); }
.beschikbaarheid-grid th { background: var(--theme-head); }
.beschikbaarheid-grid .label { text-align: left; font-size: 0.8rem; }
.beschikbaarheid-actions { width: 100%; padding: 0.5rem 0; }

/* KPI cards */
.kpi-card { text-align: center; padding: 1.2rem; border-top: 3px solid hsl(var(--theme)); }
.kpi-value { font-size: 1.8rem; font-weight: 700; font-variant-numeric: tabular-nums; color: hsl(var(--theme)); }
.kpi-label { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }
.kpi-sub { color: var(--text-muted); font-size: 0.75rem; margin-top: 0.15rem; }

/* Filter bar */
.filter-bar { background: var(--theme-row-even); border-left: 3px solid hsl(var(--theme)); }

/* Login page */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #f1f5f9;
}
.login-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 380px;
    border-top: 4px solid var(--primary);
}
.login-card h1 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Print */
/* Print-only element: verborgen op scherm, alleen zichtbaar bij afdrukken.
   Gebruikt o.a. voor een paginatitel die WEL moet printen terwijl de
   .top-bar (met actieknoppen) verborgen wordt. */
.print-only { display: none; }

@media print {
    .sidebar, .top-bar, .btn, .no-print, .filter-bar { display: none !important; }
    .print-only { display: block; }
    .main-content { margin-left: 0; padding: 0; }

    /* Compacte opmaak zodat een inzetplaatje/overzicht op 1 A4 past */
    @page { size: A4; margin: 10mm; }
    body { font-size: 9.5pt; }
    h1 { font-size: 13pt; margin-bottom: 6px; }
    h2, h3 { font-size: 10.5pt; }
    .card {
        padding: 0.5rem 0.75rem;
        margin-bottom: 0.4rem;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    .card-header {
        margin-bottom: 0.3rem;
        padding-bottom: 0.2rem;
        font-size: 10.5pt;
    }
    table.data-table th, table.data-table td { font-size: 8.5pt; padding: 1px 4px; line-height: 1.25; }
    table.data-table th { background: #eee !important; color: #000 !important; }
    table.data-table tbody tr:nth-child(even) { background: #f5f5f5 !important; }
}