:root {
            /* Sidebar */
            --sidebar-bg:      #0C0A09;
            --sidebar-accent:  #F97316;
            --sidebar-width:   220px;

            /* Kleuren */
            --main-bg:         #FAFAF9;
            --surface:         #FFFFFF;
            --border:          #E7E5E4;
            --text:            #1C1917;
            --text-light:      #78716C;
            --accent:          #F97316;
            --accent-hover:    #EA6C0F;
            --danger:          #dc2626;
            --danger-hover:    #b91c1c;
            --success:         #16a34a;
            --primary:         #1C1917;
            --primary-hover:   #0C0A09;
            --radius:          8px;
            --shadow:          0 1px 3px rgba(0,0,0,0.08);

            /* Schedule */
            --hour-height:     72px;
            --time-col-width:  56px;
            --grid-line:       #F0EFEE;
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html, body {
            height: 100%;
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--main-bg);
            color: var(--text);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        /* App layout */
        .app { display: flex; height: 100vh; overflow: hidden; }
        .main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

        /* Sidebar */
        .sidebar {
            width: var(--sidebar-width); flex-shrink: 0;
            background: var(--sidebar-bg);
            display: flex; flex-direction: column;
            position: relative; z-index: 20;
        }
        .sidebar-logo {
            display: flex; align-items: center; gap: 10px;
            padding: 20px 16px 18px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .sidebar-logo-icon {
            width: 32px; height: 32px;
            background: var(--sidebar-accent); border-radius: 8px;
            display: flex; align-items: center; justify-content: center; flex-shrink: 0;
        }
        .sidebar-logo-icon svg { width: 18px; height: 18px; color: #fff; }
        .sidebar-logo-text { display: flex; flex-direction: column; }
        .sidebar-logo-name {
            font-size: 14px; font-weight: 700; color: #FAFAF9;
            letter-spacing: -0.01em; line-height: 1.2;
        }
        .sidebar-logo-sub {
            font-size: 10px; color: rgba(255,255,255,0.35);
            font-weight: 400; letter-spacing: 0.02em; text-transform: uppercase;
        }
        .sidebar-nav {
            flex: 1; padding: 12px 8px;
            display: flex; flex-direction: column; gap: 2px;
        }
        .nav-section-label {
            font-size: 10px; font-weight: 600;
            color: rgba(255,255,255,0.25);
            letter-spacing: 0.08em; text-transform: uppercase;
            padding: 8px 8px 4px; margin-top: 4px;
        }
        .nav-item {
            display: flex; align-items: center; gap: 10px;
            padding: 8px 10px; border-radius: 8px;
            cursor: pointer;
            transition: background 0.15s ease, color 0.15s ease;
            color: rgba(255,255,255,0.5);
            font-size: 13.5px; font-weight: 500;
            user-select: none; border: none; background: none; width: 100%; text-align: left;
        }
        .nav-item:hover { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.85); }
        .nav-item.active { background: rgba(249,115,22,0.15); color: #F97316; }
        .nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.9; }
        .nav-item-badge {
            margin-left: auto;
            background: rgba(249,115,22,0.2); color: #F97316;
            font-size: 10px; font-weight: 600;
            padding: 1px 6px; border-radius: 99px;
        }
        .sidebar-bottom { padding: 12px 8px; border-top: 1px solid rgba(255,255,255,0.06); }
        .sidebar-user {
            display: flex; align-items: center; gap: 10px;
            padding: 8px 10px; border-radius: 8px;
            cursor: pointer; transition: background 0.15s;
        }
        .sidebar-user:hover { background: rgba(255,255,255,0.06); }
        .sidebar-actions {
            display: flex; gap: 4px; padding: 4px 10px 0;
        }
        .sidebar-action-btn {
            flex: 1; display: flex; align-items: center; justify-content: center;
            padding: 6px; border-radius: 6px; border: none; background: none;
            color: rgba(255,255,255,0.35); cursor: pointer;
            transition: background 0.15s, color 0.15s;
            font-size: 0.8rem;
        }
        .sidebar-action-btn:hover { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); }
        .user-avatar {
            width: 28px; height: 28px; border-radius: 50%;
            background: linear-gradient(135deg, #F97316, #fb923c);
            display: flex; align-items: center; justify-content: center;
            font-size: 11px; font-weight: 700; color: white; flex-shrink: 0;
        }
        .user-info { flex: 1; min-width: 0; }
        .user-name {
            font-size: 12.5px; font-weight: 600; color: rgba(255,255,255,0.85);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .user-role { font-size: 11px; color: rgba(255,255,255,0.3); }

        /* Mobile header (hidden on desktop) */
        .mobile-header { display: none; }
        .sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 199; }
        .sidebar-overlay.open { display: block; }

        /* Views */
        .view { display: none; flex: 1; min-height: 0; }
        /* Schedule view: flex column so internal schedule-wrap can scroll */
        #view-schedule.view.active { display: flex; flex-direction: column; overflow: hidden; }
        /* Other views: block with scroll */
        #view-calendar.view.active,
        #view-financial.view.active,
        #view-teachers.view.active,
        #view-students.view.active,
        #view-settings.view.active,
        #view-teacher-hours.view.active { display: block; overflow-y: auto; padding: 24px; }

        /* View Topbar (replaces schedule-toolbar) */
        .view-topbar {
            height: 56px; background: var(--surface);
            border-bottom: 1px solid var(--border);
            display: flex; align-items: center;
            padding: 0 16px; gap: 8px; flex-shrink: 0;
            overflow-x: auto;
        }
        .view-topbar::-webkit-scrollbar { display: none; }
        .week-nav-btn {
            width: 28px; height: 28px; border-radius: 6px;
            border: 1px solid var(--border); background: transparent;
            cursor: pointer; display: flex; align-items: center; justify-content: center;
            color: var(--text-light);
            transition: background 0.12s, border-color 0.12s, color 0.12s;
            flex-shrink: 0;
        }
        .week-nav-btn:hover { background: var(--main-bg); border-color: #D6D3D1; color: var(--text); }
        .week-nav-btn svg { width: 14px; height: 14px; }
        .today-btn {
            height: 28px; padding: 0 10px; border-radius: 6px;
            border: 1px solid var(--border); background: transparent;
            font-size: 12px; font-weight: 500; color: var(--text-light);
            cursor: pointer; transition: background 0.12s, color 0.12s;
            font-family: inherit; flex-shrink: 0;
        }
        .today-btn:hover { background: var(--main-bg); color: var(--text); }
        .topbar-divider { width: 1px; height: 20px; background: var(--border); flex-shrink: 0; }
        .topbar-spacer { flex: 1; min-width: 8px; }
        #filterTeacher { height: 28px; padding: 0 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; background: var(--surface); color: var(--text); font-family: inherit; flex-shrink: 0; }
        .add-btn {
            display: flex; align-items: center; gap: 6px;
            height: 30px; padding: 0 12px; border-radius: 7px; border: none;
            background: var(--sidebar-accent); color: white;
            font-size: 12.5px; font-weight: 600;
            cursor: pointer; transition: background 0.15s, box-shadow 0.15s;
            font-family: inherit; white-space: nowrap; flex-shrink: 0;
        }
        .add-btn:hover { background: #EA6C0F; box-shadow: 0 2px 8px rgba(249,115,22,0.35); }

        /* Sub-tabs (Instellingen) */
        .sub-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 2px solid var(--border); }
        .sub-tab { padding: 8px 20px; border: none; background: none; cursor: pointer; font-size: 0.9rem; color: var(--text-light); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.2s; }
        .sub-tab:hover { color: var(--text); }
        .sub-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
        .sub-view { display: none; }
        .sub-view.active { display: block; }

        /* Schedule area */
        .week-nav { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
        .week-info { font-size: 0.8rem; color: var(--text-light); padding: 3px 8px; background: #fff3cd; border-radius: var(--radius); border: 1px solid #ffc107; flex-shrink: 0; }
        .week-info.holiday { background: #f8d7da; border-color: #dc3545; color: #721c24; }
        #weekLabel { font-size: 13px; font-weight: 600; color: var(--text); padding: 0 6px; white-space: nowrap; }

        /* Stats row */
        .stats-row {
            display: flex; border-bottom: 1px solid var(--border);
            background: var(--surface); flex-shrink: 0;
        }
        .stat-item { flex: 1; padding: 8px 16px; border-right: 1px solid var(--border); }
        .stat-item:last-child { border-right: none; }
        .stat-label { font-size: 11px; font-weight: 500; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.06em; }
        .stat-value { font-size: 18px; font-weight: 700; color: var(--text); line-height: 1.2; letter-spacing: -0.02em; }

        .schedule-wrap { flex: 1; overflow-y: auto; overflow-x: hidden; position: relative; }
        .schedule-wrap::-webkit-scrollbar { width: 6px; }
        .schedule-wrap::-webkit-scrollbar-track { background: transparent; }
        .schedule-wrap::-webkit-scrollbar-thumb { background: #D6D3D1; border-radius: 3px; }

        .schedule-grid {
            display: grid; grid-template-columns: var(--time-col-width) repeat(6, 1fr);
            background: var(--surface); overflow: visible;
        }
        .schedule-header {
            background: var(--surface); padding: 10px 4px 8px; font-weight: 600; font-size: 0.78rem;
            text-align: center; border-bottom: 1px solid var(--border);
            display: flex; flex-direction: column; align-items: center; gap: 2px;
            position: sticky; top: 0; z-index: 10;
        }
        .schedule-header.today-header { background: rgba(59,130,246,0.03); }
        .schedule-header .day-num-today {
            width: 28px; height: 28px; background: #3B82F6; color: white;
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-size: 13px;
        }
        .schedule-header .date-sub {
            font-weight: 400; font-size: 0.68rem; color: var(--text-light);
            text-transform: uppercase; letter-spacing: 0.05em;
        }
        .time-label {
            font-size: 10.5px; font-weight: 500; color: var(--text-light);
            text-align: right; padding: 4px 6px 0 0;
            border-right: 1px solid var(--border); border-bottom: 1px solid var(--grid-line);
            min-height: var(--hour-height); display: flex; align-items: flex-start; justify-content: flex-end;
            position: relative;
        }
        /* Subtiel ":30" label halverwege elke uurcel */
        .time-label::after {
            content: ':30'; position: absolute; bottom: 0; right: 6px;
            font-size: 9px; color: #D6D3D1; line-height: 1; transform: translateY(50%); z-index: 1;
        }
        .schedule-cell {
            min-height: var(--hour-height); border-right: 1px solid var(--border); border-bottom: 1px solid var(--grid-line);
            position: relative; cursor: pointer; transition: background 0.15s; overflow: visible;
        }
        /* Gestippelde halve-uur lijn in elke uurcel */
        .schedule-cell::after {
            content: ''; position: absolute; left: 0; right: 0; top: 50%;
            border-top: 1px dashed #ECEAE8; pointer-events: none; z-index: 0;
        }
        .schedule-cell:hover { background: rgba(249,115,22,0.02); }
        .schedule-cell.today-col { background: rgba(59,130,246,0.02); }
        .schedule-cell.today-col:hover { background: rgba(59,130,246,0.04); }
        .schedule-cell.holiday-cell { background: #fff5f5; cursor: default; }
        .schedule-cell.holiday-cell:hover { background: #fff5f5; }
        /* Beschikbaarheid: buiten werktijden docent */
        .schedule-cell.avail-outside { background: repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(0,0,0,0.028) 5px, rgba(0,0,0,0.028) 10px) !important; }
        .schedule-cell.avail-outside:hover { background: repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(0,0,0,0.05) 5px, rgba(0,0,0,0.05) 10px) !important; }
        /* Geblokkeerde tijdslot (pauze) overlay */
        .blocked-slot-overlay {
            position: absolute; left: 3px; right: 3px; border-radius: 5px; z-index: 2; pointer-events: none; overflow: hidden;
            background: repeating-linear-gradient(45deg, rgba(0,0,0,0.055), rgba(0,0,0,0.055) 3px, rgba(255,255,255,0.5) 3px, rgba(255,255,255,0.5) 8px);
            border: 1px solid rgba(0,0,0,0.1);
            display: flex; align-items: center; justify-content: center;
            font-size: 9.5px; color: var(--text-light); font-weight: 500; letter-spacing: 0.02em;
        }
        /* Pauze-rijen in teacher modal */
        .blocked-slot-row { display:flex; align-items:center; gap:8px; padding:4px 0; font-size:0.85rem; }
        .blocked-slot-row select { height:30px; border:1px solid var(--border); border-radius:var(--radius); padding:0 6px; font-size:0.85rem; background:var(--surface); color:var(--text); }
        .blocked-slot-row input[type="time"] { height:30px; padding:0 6px; border:1px solid var(--border); border-radius:var(--radius); font-size:0.85rem; background:var(--surface); color:var(--text); }
        .blocked-slot-row .remove-btn { background:none; border:none; cursor:pointer; color:var(--text-light); padding:0 4px; font-size:1.1rem; line-height:1; }
        .blocked-slot-row .remove-btn:hover { color:var(--danger); }

        /* Lesson blocks — new design */
        .lesson-block {
            position: absolute; left: 3px; right: 3px;
            border-radius: 6px; border-left: 3.5px solid transparent;
            padding: 3px 6px; cursor: pointer; overflow: hidden;
            z-index: 3; transition: box-shadow 0.15s, transform 0.1s, opacity 0.2s;
        }
        .lesson-block:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.12); transform: translateY(-1px); z-index: 6; }
        .lesson-block { cursor: grab; }
        .lesson-block:active { cursor: grabbing; }
        .lesson-block.dragging { opacity: 0.35; pointer-events: none; }
        .schedule-cell.drag-over { background: rgba(249,115,22,0.09) !important; outline: 2px dashed rgba(249,115,22,0.4); outline-offset: -2px; }
        .lesson-block.absent, .lesson-block.sick,
        .lesson-block.teacher-absent, .lesson-block.teacher-sick { opacity: 0.45; }
        .lesson-title { font-size: 11.5px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.25; }
        .lesson-meta { font-size: 10px; color: var(--text-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 1px; line-height: 1.2; }
        .lesson-time { font-size: 10px; color: var(--text-light); margin-top: 2px; }
        .lesson-package-badge { font-size: 9.5px; font-weight: 700; padding: 1px 5px; border-radius: 99px; display: inline-block; margin-top: 2px;
            background: rgba(249,115,22,0.15); color: #C2410C; border: 1px solid rgba(249,115,22,0.25); }

        /* Lesson status dot (small coloured indicator instead of emoji) */
        .lesson-status-dot {
            display: inline-block; width: 6px; height: 6px; border-radius: 50%;
            margin-left: 4px; vertical-align: 1px; flex-shrink: 0;
        }
        .lesson-status-dot.absent { background: #dc2626; }
        .lesson-status-dot.sick   { background: #f59e0b; }

        /* Now-line */
        .now-line { position: absolute; left: 0; right: 0; z-index: 5; pointer-events: none; }
        .now-line-bar { position: absolute; left: 0; right: 0; height: 2px; background: #EF4444; border-radius: 1px; }
        .now-line-dot { position: absolute; left: -4px; top: 50%; transform: translateY(-50%); width: 8px; height: 8px; border-radius: 50%; background: #EF4444; }

        /* Naast-elkaar layout voor meerdere lessen in hetzelfde tijdvak */
        .lesson-stack { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
        .schedule-cell.has-stack { position: relative; }

        /* Instrument fallback colors (used as border-left when no teacher color) */
        .instrument-gitaar  { border-left-color: #d97706 !important; background: rgba(217,119,6,0.08) !important; }
        .instrument-piano   { border-left-color: #0693e3 !important; background: rgba(6,147,227,0.08) !important; }
        .instrument-viool   { border-left-color: #7c3aed !important; background: rgba(124,58,237,0.08) !important; }
        .instrument-drums   { border-left-color: #dc2626 !important; background: rgba(220,38,38,0.08) !important; }
        .instrument-zang    { border-left-color: #db2777 !important; background: rgba(219,39,119,0.08) !important; }
        .instrument-fluit   { border-left-color: #059669 !important; background: rgba(5,150,105,0.08) !important; }
        .instrument-saxofoon{ border-left-color: #0891b2 !important; background: rgba(8,145,178,0.08) !important; }
        .instrument-trompet { border-left-color: #ca8a04 !important; background: rgba(202,138,4,0.08) !important; }
        .instrument-bas     { border-left-color: #4f46e5 !important; background: rgba(79,70,229,0.08) !important; }
        .instrument-ukulele { border-left-color: #f59e0b !important; background: rgba(245,158,11,0.08) !important; }
        .instrument-default { border-left-color: #64748b !important; background: rgba(100,116,139,0.08) !important; }

        /* Tables */
        .data-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .data-table th { background: #eeeeee; padding: 10px 14px; text-align: left; font-weight: 600; font-size: 0.8rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; cursor: pointer; user-select: none; position: relative; }
        .data-table th:first-child { border-radius: var(--radius) 0 0 0; }
        .data-table th:last-child { border-radius: 0 var(--radius) 0 0; }
        .data-table th:hover { background: #e0e0e0; }
        .data-table th.sortable::after { content: ' ↕'; opacity: 0.3; font-size: 0.7rem; }
        .data-table th.sort-asc::after { content: ' ↑'; opacity: 1; }
        .data-table th.sort-desc::after { content: ' ↓'; opacity: 1; }
        .data-table td { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 0.88rem; vertical-align: middle; }
        .data-table tr:hover td { background: #fafafa; }
        .table-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
        .table-toolbar h2 { font-size: 1.2rem; }
        .search-input { padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.9rem; width: 250px; max-width: 100%; }

        /* Buttons */
        .btn { padding: 8px 16px; border: none; border-radius: 9999px; cursor: pointer; font-size: 0.88rem; font-weight: 500; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
        .btn-primary { background: var(--accent); color: white; }
        .btn-primary:hover { background: var(--accent-hover); }
        .btn-dark { background: var(--primary); color: white; }
        .btn-dark:hover { background: var(--primary-hover); }
        .btn-danger { background: var(--danger); color: white; }
        .btn-danger:hover { background: var(--danger-hover); }
        .btn-sm { padding: 6px 12px; font-size: 0.8rem; display: inline-block; vertical-align: middle; line-height: 1; }
        .btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
        .btn.active { background: var(--accent); color: white; }
        .btn-outline:hover { background: #f0f0f0; }
        .action-btns { position: relative; }
        .action-menu-btn {
            background: transparent; border: none; border-radius: var(--radius);
            padding: 5px 10px; cursor: pointer; font-size: 1rem; line-height: 1;
            transition: background 0.15s; color: var(--text-light);
        }
        .action-menu-btn:hover { background: rgba(0,0,0,0.06); }
        .action-menu {
            display: none; position: fixed;
            background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
            box-shadow: 0 4px 12px rgba(0,0,0,0.12); z-index: 500; min-width: 160px; overflow: hidden;
        }
        .action-menu.open { display: block; }
        .action-menu button {
            display: flex; align-items: center; gap: 8px; width: 100%; padding: 9px 14px;
            background: none; border: none; cursor: pointer; font-size: 0.88rem;
            color: var(--text); text-align: left; transition: background 0.1s;
        }
        .action-menu button:hover { background: #f5f5f5; }
        .action-menu button.danger { color: var(--danger); }
        .action-menu button.danger:hover { background: #fff5f5; }
        .action-menu hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }
        .badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 0.78rem; }
        .badge-instrument { background: #e0e0e0; }
        .badge-weekly { background: #d1fae5; color: #065f46; }
        .badge-biweekly { background: #dbeafe; color: #1e40af; }
        .badge-sick { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
        .badge-absent { background: #f0fdf4; color: #15803d; border: 1px solid #dcfce7; }

        /* Teacher Absences Section */
        #teacherAbsencesSection {
            background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius); padding: 14px; margin-bottom: 20px; display: none;
        }
        .absence-item {
            display: flex; justify-content: space-between; align-items: center; padding: 10px 12px;
            background: white; border-radius: 6px; margin-bottom: 8px; border: 1px solid #fcd34d;
        }
        .absence-item:last-child { margin-bottom: 0; }
        .absence-info { flex: 1; }
        .absence-info strong { display: block; font-size: 0.95rem; margin-bottom: 4px; }
        .absence-date { display: inline-block; font-size: 0.85rem; color: var(--text-light); margin-right: 10px; }
        .absence-actions { display: flex; gap: 8px; }
        .absence-actions .btn { margin: 0; }

        /* Modal */
        .modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; justify-content: center; align-items: center; padding: 16px; }
        .modal-overlay.active { display: flex; }
        .modal { background: var(--surface); border-radius: 12px; padding: 24px; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
        .modal h3 { margin-bottom: 20px; font-size: 1.15rem; }
        .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
        .form-group { margin-bottom: 14px; }
        .form-group label { display: block; margin-bottom: 3px; font-weight: 500; font-size: 0.88rem; }
        .form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.9rem; }
        .form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,147,227,0.1); }
        .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
        .form-section { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 16px; }
        .form-section h4 { font-size: 0.9rem; margin-bottom: 12px; color: var(--text-light); }
        .day-avail-row { display:flex; align-items:center; gap:10px; padding:5px 0; font-size:0.9rem; }
        .day-avail-row label { width:92px; cursor:pointer; user-select:none; }
        .day-time-inputs { display:flex; align-items:center; gap:6px; color:var(--text-light); font-size:0.85rem; }
        .day-time-inputs input[type="time"] { height:30px; padding:0 6px; border:1px solid var(--border); border-radius:var(--radius); font-size:0.85rem; background:var(--surface); color:var(--text); }
        .error-msg { background: #fef2f2; color: var(--danger); padding: 10px 14px; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 16px; border: 1px solid #fecaca; display: none; }
        .error-msg.visible { display: block; }
        .empty-state { text-align: center; padding: 48px 24px; color: var(--text-light); }
        .empty-state p { font-size: 1.05rem; margin-bottom: 16px; }

        /* Calendar view */
        .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .calendar-header-cell { background: #eee; padding: 8px; text-align: center; font-weight: 600; font-size: 0.8rem; }
        .calendar-day { min-height: 70px; padding: 4px 6px; border: 1px solid #f0f0f0; font-size: 0.78rem; position: relative; cursor: default; }
        .calendar-day .day-num { font-weight: 600; font-size: 0.82rem; }
        .calendar-day.other-month { background: #fafafa; color: #ccc; }
        .calendar-day.today { background: #eff6ff; }
        .calendar-day.holiday { background: #fff5f5; }
        .calendar-day.vacation { background: #fef3c7; }
        .calendar-day .holiday-label { font-size: 0.68rem; color: #b91c1c; line-height: 1.2; }
        .calendar-day .vacation-label { font-size: 0.68rem; color: #92400e; line-height: 1.2; }
        .calendar-day .lesson-count { font-size: 0.68rem; color: var(--accent); font-weight: 600; }
        .calendar-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
        .calendar-toolbar h3 { min-width: 200px; text-align: center; }

        /* Responsive */
        @media (max-width: 768px) {
            /* Sidebar: hidden by default, slide in as overlay */
            .sidebar { display: none; }
            .sidebar.open {
                display: flex; position: fixed; inset: 0; z-index: 200;
                width: 260px; height: 100vh;
            }
            /* Mobile header */
            .mobile-header {
                display: flex; align-items: center; justify-content: space-between;
                padding: 10px 16px; background: var(--sidebar-bg);
                border-bottom: 1px solid rgba(255,255,255,0.06);
                flex-shrink: 0;
            }
            .mobile-header-logo { display: flex; align-items: center; gap: 8px; }
            .mobile-header-logo-icon {
                width: 28px; height: 28px; background: var(--sidebar-accent);
                border-radius: 6px; display: flex; align-items: center; justify-content: center;
            }
            .mobile-header-logo-icon svg { width: 16px; height: 16px; color: white; }
            .mobile-header-title { font-size: 13px; font-weight: 700; color: #FAFAF9; }
            .hamburger-btn {
                background: none; border: none; color: rgba(255,255,255,0.7);
                padding: 6px; cursor: pointer; font-size: 1.2rem; line-height: 1;
            }

            /* Login box: minder padding op kleine schermen */
            .login-box { padding: 32px 20px; }

            /* Aanraakdoelen: vergroten naar ~44px */
            .action-menu-btn { padding: 10px 14px; font-size: 1.1rem; }
            .expand-btn { padding: 8px 10px; font-size: 0.88rem; }
            .btn-sm { padding: 10px 14px; font-size: 0.82rem; }
            .action-menu button { padding: 12px 14px; font-size: 0.9rem; }

            /* Non-schedule views */
            #view-calendar.view.active,
            #view-teachers.view.active,
            #view-students.view.active,
            #view-settings.view.active,
            #view-teacher-hours.view.active { padding: 16px; }
            .search-input { width: 100%; }
            .form-row { grid-template-columns: 1fr; }

            /* Rooster: 5 dagen (Ma–Vr), zaterdag verbergen — horizontaal scrollbaar */
            .schedule-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
            .schedule-grid { grid-template-columns: 48px repeat(5, minmax(68px, 1fr)); min-width: 390px; font-size: 0.78rem; }
            .col-sat { display: none; }
            .time-label { font-size: 0.62rem; padding: 3px 4px 0 0; }
            .schedule-header { padding: 6px 2px; font-size: 0.68rem; }
            /* Overlappende lessen: verticaal stapelen op mobiel */
            .lesson-stack { position: static; display: flex; flex-direction: column; gap: 2px; padding: 2px; height: auto; }
            .lesson-stack .lesson-block { position: static !important; top: auto !important; left: auto !important; right: auto !important; width: auto !important; height: auto !important; min-height: 28px; }

            /* Topbar: 3 rijen */
            .view-topbar { height: auto; flex-wrap: wrap; padding: 8px 12px 6px; gap: 6px; }
            .week-nav    { order: 1; }
            .today-btn   { order: 1; }
            .week-info   { order: 1; }
            .topbar-spacer { order: 1; flex: 1; }
            .add-btn     { order: 1; }
            .topbar-divider { display: none; }
            #filterTeacher { order: 2; flex: 1; min-width: 80px; height: 32px; font-size: 12px; }
            #filterLocation { order: 3; flex: 1; min-width: 80px; height: 32px; font-size: 12px; }
            #topbarStudentFilter { order: 3; flex: 1; min-width: 80px; }
            #topbarStudentFilter input { width: 100%; font-size: 12px; }

            /* Tabel kaart-weergave */
            .data-table thead { display: none; }
            .data-table tbody tr {
                display: block; border: 1px solid var(--border);
                border-radius: var(--radius); margin-bottom: 12px;
                padding: 12px 14px; box-shadow: var(--shadow); background: var(--surface);
            }
            .data-table tr.student-details,
            .data-table tr.teacher-details {
                display: none; background: #fafafa;
                border-top: 1px solid var(--border); margin-top: -13px;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .data-table tr.student-details.visible,
            .data-table tr.teacher-details.visible { display: block; padding: 10px 14px; }
            .data-table td {
                display: flex; align-items: baseline; gap: 8px;
                padding: 4px 0; border: none; font-size: 0.88rem;
            }
            .data-table td::before {
                content: attr(data-label); font-weight: 600; font-size: 0.75rem;
                color: var(--text-light); text-transform: uppercase;
                letter-spacing: 0.04em; min-width: 90px; flex-shrink: 0;
            }
            .data-table td:not([data-label])::before { display: none; }
            .data-table td.action-btns { justify-content: flex-end; padding-top: 8px; }
            .data-table tr.student-details td,
            .data-table tr.teacher-details td { display: block; padding: 0; }
        }

        @media (max-width: 480px) {
            .schedule-header { font-size: 0.6rem; padding: 4px 1px; }
            .lesson-block { font-size: 0.65rem; padding: 3px 4px; }
            .login-box { padding: 24px 16px; }
            .sub-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
            .sub-tab { white-space: nowrap; flex-shrink: 0; }
            .data-table td::before { min-width: 70px; }
        }

        /* Searchable Dropdown */
        .search-dropdown { position: relative; }
        .search-dropdown-input {
            width: 100%; padding: 8px 32px 8px 12px; border: 1px solid var(--border);
            border-radius: var(--radius); font-size: 0.9rem; background: var(--surface);
            cursor: pointer; box-sizing: border-box;
        }
        .search-dropdown-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,147,227,0.1); }
        .search-dropdown-arrow {
            position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
            pointer-events: none; font-size: 0.7rem; color: #888;
        }
        .search-dropdown-list {
            display: none; position: absolute; top: 100%; left: 0; right: 0;
            max-height: 220px; overflow-y: auto; background: var(--surface);
            border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius);
            z-index: 1010; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .search-dropdown-list.open { display: block; }
        .search-dropdown-item {
            padding: 8px 12px; cursor: pointer; font-size: 0.9rem;
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .search-dropdown-item:hover, .search-dropdown-item.highlighted { background: #f0f7ff; }
        .search-dropdown-item.no-results { color: #999; cursor: default; font-style: italic; }

        .toast { position: fixed; bottom: 24px; right: 24px; background: var(--primary); color: white; padding: 12px 20px; border-radius: 9999px; font-size: 0.9rem; box-shadow: 0 4px 12px rgba(0,0,0,0.2); z-index: 1100; transform: translateY(100px); opacity: 0; transition: all 0.3s; }
        .toast.visible { transform: translateY(0); opacity: 1; }

        .expand-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 0.82rem; padding: 2px 6px; }
        .expand-btn:hover { text-decoration: underline; }
        .student-details { display: none; background: #fafafa; padding: 10px 14px; font-size: 0.82rem; }
        .student-details.visible { display: table-row; }
        .student-details td { padding: 10px 14px; }
        .teacher-details { display: none; background: #fafafa; font-size: 0.82rem; }
        .teacher-details.visible { display: table-row; }
        .teacher-details td { padding: 10px 14px; }
        /* (teacher-sidebar-btn removed — pills now in topbar) */

        /* ---- Login scherm ---- */
        #loginScreen {
            display: none; position: fixed; inset: 0;
            background: var(--main-bg); z-index: 9999;
            align-items: center; justify-content: center;
        }
        #loginScreen.visible { display: flex; }
        .login-box {
            background: #fff; border-radius: 12px; padding: 44px 40px;
            width: 100%; max-width: 380px;
            box-shadow: 0 8px 32px rgba(0,0,0,.12);
        }
        .login-box > img { height: 52px; margin-bottom: 20px; display: block; }
        .login-box h1 { font-size: 1.25rem; margin-bottom: 6px; }
        .login-box p  { color: #666; font-size: .875rem; margin-bottom: 28px; }
        .login-field  { margin-bottom: 14px; }
        .login-field label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: 5px; }
        .login-field input {
            width: 100%; padding: 9px 12px;
            border: 1px solid var(--border); border-radius: var(--radius);
            font-size: .95rem; outline: none; transition: border-color .15s;
        }
        .login-field input:focus { border-color: var(--accent); }
        #loginBtn {
            width: 100%; padding: 10px; background: var(--primary);
            color: #fff; border: none; border-radius: var(--radius);
            font-size: 1rem; cursor: pointer; margin-top: 6px;
            transition: background .15s;
        }
        #loginBtn:hover { background: var(--primary-hover); }
        #loginBtn:disabled { opacity: .6; cursor: not-allowed; }
        #loginError, #totpError {
            display: none; margin-top: 12px; padding: 9px 12px;
            background: #fef2f2; border: 1px solid #fca5a5;
            border-radius: var(--radius); color: #dc2626; font-size: .875rem;
        }
        #totpBackBtn {
            width: 100%; padding: 8px; margin-top: 8px; background: transparent;
            border: 1px solid var(--border); border-radius: var(--radius);
            cursor: pointer; font-size: .875rem; color: var(--text-light);
        }
        #totpBackBtn:hover { background: var(--surface); }
        #totpCode { font-size: 1.5rem; text-align: center; letter-spacing: 6px; font-family: monospace; }

        /* Docent-uren view */
        #panel-teacher-hours .filter-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 20px; }
        #panel-teacher-hours .filter-bar button,
        #panel-teacher-hours .filter-bar select,
        #panel-teacher-hours .filter-bar input { padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.88rem; background: var(--card-bg, #fff); cursor: pointer; }
        #panel-teacher-hours table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 20px; }
        #panel-teacher-hours th { background: #eeeeee; padding: 10px 14px; text-align: left; font-weight: 600; font-size: 0.8rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; }
        #panel-teacher-hours td { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 0.88rem; vertical-align: middle; }
        #panel-teacher-hours details { margin-bottom: 16px; }
        #panel-teacher-hours summary { cursor: pointer; padding: 8px 4px; font-size: 0.95rem; }

        @media print {
            nav, .nav-item, .filter-bar, #thBtnPrint { display: none !important; }
            .view { display: none !important; }
            #view-teacher-hours { display: block !important; }
            #panel-teacher-hours { display: block !important; }
        }