/* Marinus Works Portal - Main Stylesheet */
/* Strak, professioneel design met automatische dark/light mode */

/* ===== LIGHT MODE VARIABELEN ===== */
:root,
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f0f1f3;
    --bg-hover: #e9ecef;

    --text-primary: #1a1a1a;
    --text-secondary: #495057;
    --text-muted: #868e96;

    --accent-primary: #1a1a1a;
    --accent-secondary: #333333;
    --accent-hover: #4a4a4a;

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    --border-color: #dee2e6;
    --border-light: #ced4da;
    --border-radius: 6px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    --transition: 0.15s ease;

    /* Logo filter voor light mode (wit logo wordt donker) */
    --logo-filter: invert(1);

    color-scheme: light;
}

/* ===== DARK MODE VARIABELEN ===== */
[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-hover: #242424;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --accent-primary: #ffffff;
    --accent-secondary: #cccccc;
    --accent-hover: #e0e0e0;

    --success: #4ade80;
    --warning: #fbbf24;
    --error: #f87171;
    --info: #60a5fa;

    --border-color: #2a2a2a;
    --border-light: #333333;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);

    /* Logo filter voor dark mode (wit logo blijft wit) */
    --logo-filter: none;

    color-scheme: dark;
}

/* ===== AUTO MODE: volg systeeminstelling ===== */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --bg-primary: #0a0a0a;
        --bg-secondary: #111111;
        --bg-tertiary: #1a1a1a;
        --bg-hover: #242424;

        --text-primary: #ffffff;
        --text-secondary: #a0a0a0;
        --text-muted: #666666;

        --accent-primary: #ffffff;
        --accent-secondary: #cccccc;
        --accent-hover: #e0e0e0;

        --success: #4ade80;
        --warning: #fbbf24;
        --error: #f87171;
        --info: #60a5fa;

        --border-color: #2a2a2a;
        --border-light: #333333;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);

        /* Logo filter voor dark mode (wit logo blijft wit) */
        --logo-filter: none;

        color-scheme: dark;
    }
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.01em;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity var(--transition);
}

a:hover {
    opacity: 0.8;
}

/* Navigation */
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.brand-logo {
    height: 28px;
    width: auto;
    filter: var(--logo-filter);
    transition: filter var(--transition);
}

.brand-text {
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    margin-left: 3rem;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: all var(--transition);
    font-size: 0.9rem;
    font-weight: 400;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-icon {
    font-size: 1rem;
    opacity: 0.8;
}

.nav-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-user {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0 0.25rem;
}

/* Search Bar */
.search-bar {
    display: none;
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
    align-items: center;
}

.search-bar.active {
    display: flex;
}

.search-bar input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--border-light);
}

.search-bar input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-secondary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Back Navigation */
.back-nav {
    margin-bottom: 1rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.back-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 1.5rem;
}

.flash-message {
    padding: 0.875rem 1rem;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.flash-success {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.3);
    color: var(--success);
}

.flash-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--error);
}

.flash-warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: var(--warning);
}

.flash-info {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: var(--info);
}

.flash-close {
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.6;
    font-size: 1rem;
}

.flash-close:hover {
    opacity: 1;
}

/* Portal Home */
.portal-home {
    max-width: 900px;
    margin: 0 auto;
}

.portal-header {
    text-align: center;
    margin-bottom: 4rem;
    padding-top: 3rem;
}

.portal-header h1 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.portal-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* Module Cards */
.module-cards {
    display: grid;
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 3rem;
}

.module-card {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition);
}

.module-card:hover {
    background: var(--bg-tertiary);
}

.module-icon {
    font-size: 1.75rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
}

.module-info h2 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.module-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.module-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.module-arrow {
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: all var(--transition);
}

.module-card:hover .module-arrow {
    color: var(--text-primary);
    transform: translateX(4px);
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 3rem;
}

.quick-actions h3 {
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition);
}

.action-btn:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.action-icon {
    font-size: 1rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

.card-header h2, .card-header h3 {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--text-muted);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    color: var(--error);
}

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

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tr:hover {
    background: var(--bg-hover);
}

.table td {
    font-size: 0.9rem;
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: rgba(74, 222, 128, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.15);
    color: var(--warning);
}

.badge-error {
    background: rgba(248, 113, 113, 0.15);
    color: var(--error);
}

.badge-info {
    background: rgba(96, 165, 250, 0.15);
    color: var(--info);
}

.badge-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.page-breadcrumb a {
    color: var(--text-muted);
}

.page-breadcrumb a:hover {
    color: var(--text-primary);
}

.page-breadcrumb span {
    opacity: 0.5;
}

/* Footer */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.footer-separator {
    margin: 0 0.75rem;
    opacity: 0.3;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.empty-state p {
    font-size: 0.9rem;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 200;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1rem;
    font-weight: 500;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Code/Reference styling */
code {
    background: var(--bg-primary);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Category sections in tables */
.category-section {
    border-bottom: 1px solid var(--border-color);
}

.category-section:last-child {
    border-bottom: none;
}

/* Global Loading Indicator */
.global-loading {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.25);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--info);
    animation: fadeIn 0.3s ease;
}

.global-loading.active {
    display: flex;
}

.global-loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(96, 165, 250, 0.3);
    border-top-color: var(--info);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }

    .main-content {
        padding: 1.5rem 1rem;
    }

    .module-card {
        grid-template-columns: auto 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    .module-stats,
    .module-arrow {
        display: none;
    }

    .action-buttons {
        flex-direction: column;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}