:root {
    --bg-main: #0a0f1d;
    --bg-card: #12192c;
    --bg-card-hover: #1a233d;
    --bg-sidebar: #070b16;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 85, 0, 0.4);
    
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --knrm-orange: #ff5500;
    --knrm-orange-hover: #e04a00;
    --knrm-orange-glow: rgba(255, 85, 0, 0.25);
    
    --color-accent: #ff5500;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

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

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.brand-logo {
    background: linear-gradient(135deg, var(--knrm-orange), #ff8800);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px var(--knrm-orange-glow);
    flex-shrink: 0;
}

.logo-badge {
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    letter-spacing: 1px;
}

.brand-title {
    transition: opacity 0.2s ease, width 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
}

.brand-title h1 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}

.brand-title .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sidebar-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: auto;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.sidebar-toggle-btn:hover {
    background: var(--bg-card-hover);
    color: var(--knrm-orange);
    border-color: var(--knrm-orange);
}

.sidebar-toggle-btn .icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

/* Collapsed Sidebar State */
.sidebar.collapsed {
    width: 76px;
    padding: 1.25rem 0.6rem;
}

.sidebar.collapsed .brand {
    justify-content: center;
    gap: 0;
}

.sidebar.collapsed .brand-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .status-text {
    display: none;
    opacity: 0;
}

.sidebar.collapsed .sidebar-toggle-btn {
    margin-left: 0;
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    z-index: 101;
}

.sidebar.collapsed .sidebar-toggle-btn .icon {
    transform: rotate(180deg);
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0.85rem 0;
    gap: 0;
}

.sidebar.collapsed .system-status {
    justify-content: center;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
}

.nav-item .icon {
    width: 20px;
    height: 20px;
}

.nav-item:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(255, 85, 0, 0.15), transparent);
    color: var(--knrm-orange);
    border-left: 3px solid var(--knrm-orange);
    font-weight: 600;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

/* Main Content */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 2rem;
    max-width: 1600px;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-layout.sidebar-collapsed .main-content {
    margin-left: 76px;
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1.5rem;
}

.header-search {
    position: relative;
    flex: 1;
    max-width: 480px;
}

.header-search input {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    color: var(--text-main);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.header-search input:focus {
    outline: none;
    border-color: var(--knrm-orange);
    box-shadow: 0 0 0 3px var(--knrm-orange-glow);
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-dim);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.year-selector-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.year-select, .custom-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.year-select:focus, .custom-select:focus {
    outline: none;
    border-color: var(--knrm-orange);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn .icon {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--knrm-orange), #ff7700);
    color: #fff;
    box-shadow: 0 4px 14px var(--knrm-orange-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--knrm-orange-hover), var(--knrm-orange));
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Tab Sections */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.text-accent { color: var(--knrm-orange); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-center { text-align: center; }

/* Filter Pills */
.filter-pills {
    display: flex;
    gap: 0.5rem;
    background-color: var(--bg-card);
    padding: 0.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.pill {
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pill.active {
    background-color: var(--knrm-orange);
    color: #fff;
}

/* Stats Overview Bar */
.stats-overview-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

/* Table Cards */
.table-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.data-table th {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 1rem 1.25rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-actie { background-color: rgba(255, 85, 0, 0.2); color: #ff7733; border: 1px solid rgba(255, 85, 0, 0.4); }
.badge-oefening { background-color: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-pr { background-color: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-default { background-color: rgba(255, 255, 255, 0.1); color: var(--text-muted); }

.role-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    background-color: var(--bg-card-hover);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin: 0.1rem;
}

.role-tag.role-K { border-left: 2px solid var(--knrm-orange); font-weight: 600; }
.role-tag.role-N { border-left: 2px solid var(--color-info); }
.role-tag.role-F { border-left: 2px solid var(--color-warning); }
.role-tag.role-O { border-left: 2px solid var(--color-success); }
.role-tag.role-X { border-left: 2px solid var(--color-danger); background-color: rgba(239, 68, 68, 0.2); color: #fca5a5; font-weight: 700; }

/* Member Detail View */
.member-detail-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.member-profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.avatar-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--knrm-orange), #ff8800);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
}

.profile-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 760px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.8rem;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--knrm-orange);
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* v2.10.6: zichtbare cache-buster indicator (rechtsboven in top-bar) */
.app-version-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    margin-right: 0.5rem;
    background-color: rgba(255, 193, 7, 0.18);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: monospace;
    letter-spacing: 0.02em;
    user-select: all;
}

.crew-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.35rem;
    max-height: 460px;
    overflow-y: auto;
    padding: 0.4rem;
    background-color: var(--bg-main);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.crew-checkbox-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-card);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.78rem;
    gap: 0.3rem;
}

.crew-checkbox-item label {
    cursor: pointer;
    font-weight: 400;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90px;
}

.crew-role-select {
    padding: 0.05rem 0.15rem;
    font-size: 0.72rem;
    min-width: 36px;
    flex-shrink: 0;
}

/* v2.10.5: Toggle om inactieve bemanningsleden te tonen */
.crew-toggle-inactief {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 0.4rem 0 0.3rem 0;
    cursor: pointer;
    font-weight: 400;
}
.crew-toggle-inactief input[type="checkbox"] {
    cursor: pointer;
}

/* v2.10.5: status-melding onder de toggle */
.crew-status-msg {
    font-size: 0.75rem;
    color: var(--accent);
    margin: 0 0 0.4rem 0;
    min-height: 1.1rem;
    font-weight: 500;
}

/* v2.10.4: visuele markering voor inactieve / aspirant bemanningsleden */
.crew-checkbox-item.crew-inactief {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--border-color);
    opacity: 0.85;
}
.crew-inactief-badge {
    display: inline-block;
    margin-left: 0.3rem;
    padding: 0.05rem 0.35rem;
    background-color: rgba(255, 193, 7, 0.18);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.4);
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: lowercase;
    letter-spacing: 0.02em;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* ===== v2.5: Persoonlijk Overzicht ===== */
.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 0.6em;
    padding: 2px 8px;
    border-radius: 12px;
    vertical-align: middle;
    margin-left: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.headerkaart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.hk-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hk-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.hk-val {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.stat-card .stat-value.text-danger { color: #ef4444; }
.stat-card .stat-value.text-warning { color: #f59e0b; }

/* ===== v2.5: Matrix Grid ===== */
.matrix-grid-container {
    overflow-x: auto;
    max-width: 100%;
}

table.matrix-table {
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.78rem;
    background: var(--bg-card);
}

table.matrix-table th,
table.matrix-table td {
    border: 1px solid var(--border-color);
    padding: 4px 6px;
    text-align: center;
    white-space: nowrap;
}

table.matrix-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 10;
    font-weight: 600;
}

table.matrix-table thead th.inzet-col {
    min-width: 60px;
    max-width: 80px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    height: 110px;
    vertical-align: bottom;
    padding: 4px 3px;
}

table.matrix-table tbody th {
    background: var(--bg-secondary);
    text-align: left;
    position: sticky;
    left: 0;
    z-index: 5;
    min-width: 160px;
    max-width: 220px;
    font-weight: 600;
}

table.matrix-table tbody th .row-meta {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: normal;
}

.rol-badge {
    display: inline-block;
    min-width: 22px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.rol-badge.rol-K { background: #dbeafe; color: #1e3a8a; }
.rol-badge.rol-N { background: #d1fae5; color: #065f46; }
.rol-badge.rol-F { background: #fef3c7; color: #92400e; }
.rol-badge.rol-O { background: #e0e7ff; color: #3730a3; }
.rol-badge.rol-X { background: #fee2e2; color: #991b1b; }
.rol-badge.rol-leeg { background: var(--bg-tertiary); color: var(--text-muted); }

/* Matrix scrollbar styling */
.matrix-grid-container::-webkit-scrollbar { height: 10px; }
.matrix-grid-container::-webkit-scrollbar-track { background: var(--bg-tertiary); }
.matrix-grid-container::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 5px; }

/* ===== v2.5 Sidebar — Mobile + Custom Tooltip ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 76px;
        padding: 1.25rem 0.6rem;
    }
    .sidebar .brand-title,
    .sidebar .nav-item span,
    .sidebar .status-text {
        display: none;
    }
    .sidebar .brand {
        justify-content: center;
    }
    .sidebar .nav-item {
        justify-content: center;
        padding: 0.85rem 0;
    }
    .sidebar .sidebar-toggle-btn {
        display: none;  /* Geen handmatige toggle op mobile; sidebar is permanent ingeklapt */
    }
    .app-layout.sidebar-collapsed .main-content,
    .main-content {
        margin-left: 76px;
        padding: 1rem;
    }
}

/* Custom tooltip voor nav-items in collapsed stand */
.sidebar.collapsed .nav-item[data-tooltip]:hover::after,
.sidebar.collapsed .nav-item[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    z-index: 250;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    pointer-events: none;
}

/* v2.5.2: Verberg Geredden-kolom bij Oefeningen/Div filter */
#inzetten-table.hide-geredden th#th-geredden,
#inzetten-table.hide-geredden td:nth-child(7) {
    display: none;
}

/* v2.9.2: Sortable headers (bezetting-tabel) */
#bezetting-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: color 0.15s ease;
}
#bezetting-table th.sortable:hover {
    color: #cbd5e1;
}
#bezetting-table th.sortable .sort-indicator {
    display: inline-block;
    margin-left: 4px;
    font-size: 0.85em;
    color: #fbbf24;
}