/* ============================================================================
   main.css - Enhanced Global Styles
   ---------------------------------------------------------------------------
   Purpose:
   - Provide a cohesive baseline style for the entire site.
   - Define global fonts, colors, spacing, and responsive behavior.
   - Offer a consistent look and feel so each page looks like part of the same app.
   - Complement page-specific styles without overriding their unique look.

   Note: Adjust these variables and selectors as the brand evolves.
   ============================================================================
*/

/* -------------------------------------
   Root Variables & Global Settings
------------------------------------- */
:root {
    /* Primaire kleuren - Dutch Fluency palette */
    --primary-color: #4976AB;       /* Dutch blue, primaire kleur */
    --primary-light: #6B94C9;       /* Lichtere versie van primaire kleur */
    --primary-dark: #345C8C;        /* Donkere versie van primaire kleur */
    
    /* Accentkleuren */
    --accent-color: #F79E45;        /* Oranje accent voor call-to-actions */
    --accent-light: #FFBB7D;        /* Lichtere versie van accent */
    --accent-dark: #D47825;         /* Donkere versie van accent */
    
    /* Neutrale kleuren */
    --text-color: #333333;          /* Hoofdtekstkleur */
    --text-light: #666666;          /* Secundaire tekstkleur */
    --text-dark: #111111;           /* Donkere tekstkleur voor titels */
    --background-color: #F8F9FA;    /* Achtergrondkleur voor body */
    --background-alt: #FFFFFF;      /* Alternatieve achtergrondkleur voor secties */
    --border-color: #E1E1E1;        /* Kleur voor randen */
    
    /* Status kleuren */
    --success-color: #4CAF50;       /* Groen voor succes berichten */
    --warning-color: #FF9800;       /* Oranje voor waarschuwingen */
    --error-color: #F44336;         /* Rood voor fouten */
    --info-color: #2196F3;          /* Blauw voor info berichten */
    
    /* Variabelen voor consistente spacing */
    --spacing-xs: 0.25rem;          /* 4px */
    --spacing-sm: 0.5rem;           /* 8px */
    --spacing-md: 1rem;             /* 16px */
    --spacing-lg: 1.5rem;           /* 24px */
    --spacing-xl: 2rem;             /* 32px */
    --spacing-xxl: 3rem;            /* 48px */
    
    /* Variabelen voor typografie */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;        /* 12px */
    --font-size-sm: 0.875rem;       /* 14px */
    --font-size-md: 1rem;           /* 16px */
    --font-size-lg: 1.25rem;        /* 20px */
    --font-size-xl: 1.5rem;         /* 24px */
    --font-size-2xl: 2rem;          /* 32px */
    --font-size-3xl: 2.5rem;        /* 40px */
    
    /* Variabelen voor font weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Variabelen voor visuele effecten */
    --border-radius-sm: 0.25rem;    /* 4px */
    --border-radius-md: 0.5rem;     /* 8px */
    --border-radius-lg: 1rem;       /* 16px */
    --border-radius-xl: 1.5rem;     /* 24px */
    --border-radius-circle: 50%;
    
    --box-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --box-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* Remove default browser margins and paddings */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Improved body base styles */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top right, rgba(255, 103, 0, 0.05), transparent 60%),
                radial-gradient(ellipse at bottom left, rgba(255, 235, 191, 0.3), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Content container - does NOT apply to oefenen-page which needs full width */
body:not(.oefenen-page) .content {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    animation: fadeIn 0.5s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    line-height: 1.3;
}

h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius-sm);
    transition: width var(--transition-normal);
}

h1:hover::after {
    width: 100%;
}

h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

p:last-child {
    margin-bottom: 0;
}

/* Text & Links */
p, li, span, input, textarea, button {
    font-family: var(--font-family);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

a:hover, a:focus {
    color: var(--primary-dark);
}

a:not(.button)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

a:not(.button):hover::after, a:not(.button):focus::after {
    width: 100%;
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-size: var(--font-size-md);
    text-decoration: none;
    box-shadow: var(--box-shadow-sm);
    min-width: 120px;
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transition: left var(--transition-fast);
}

.button:hover, .button:focus {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-md);
}

.button:hover::before, .button:focus::before {
    left: 100%;
}

.button:active {
    transform: translateY(-1px);
}

.button.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.button.secondary::before {
    background: linear-gradient(
        90deg,
        rgba(73, 118, 171, 0) 0%,
        rgba(73, 118, 171, 0.1) 50%,
        rgba(73, 118, 171, 0) 100%
    );
}

.button.secondary:hover, .button.secondary:focus {
    color: white;
    background-color: var(--primary-color);
}

.button:disabled {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.button:disabled::before {
    display: none;
}

/* Forms */
.input-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
    background-color: white;
    color: var(--text-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(73, 118, 171, 0.2);
}

.form-control:hover:not(:focus) {
    border-color: var(--primary-light);
}

.form-hint {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

/* Loading Indicator (Existing) */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(73, 118, 171, 0.2);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Notification system */
.notification {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-md);
    transition: all var(--transition-normal);
    z-index: 1000;
    animation: slideInUp 0.3s ease;
}

.notification:hover {
    transform: translateY(-5px);
}

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

.notification.success {
    background-color: var(--success-color);
    color: white;
}

.notification.warning {
    background-color: var(--warning-color);
    color: white;
}

.notification.info {
    background-color: var(--info-color);
    color: white;
}

@keyframes slideInUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Cards and Containers */
.card {
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.card-body {
    color: var(--text-color);
}

/* Header Styles */
header {
    background-color: white;
    box-shadow: var(--box-shadow-sm);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .logo {
    height: 40px;
    transition: transform var(--transition-fast);
}

header .logo:hover {
    transform: scale(1.05);
}

header .site-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

header .site-description {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: white;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    color: var(--text-light);
}

footer a {
    color: var(--primary-color);
}

footer .footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

footer .copyright {
    text-align: center;
    font-size: var(--font-size-sm);
}

/* Accessibility Improvements */
:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
    min-width: 0;
}

/* Responsive behavior */
@media (max-width: 992px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.75rem;
    }
    
    .container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.25rem;
    }

    body:not(.oefenen-page) .content {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-xl);
    }
    
    h2 {
        font-size: var(--font-size-lg);
    }
    
    .row {
        flex-direction: column;
    }
    
    .col {
        width: 100%;
        margin-bottom: var(--spacing-md);
    }
    
    .notification {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        max-width: calc(100% - var(--spacing-md) * 2);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
    }
    
    h1::after {
        width: 60px;
    }
    
    .button {
        padding: 0.5rem 1rem;
    }
    
    footer .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
}

/* Print styles */
@media print {
    body {
        background: white;
    }
    
    .content {
        margin: 0;
        padding: 0;
    }
    
    .no-print {
        display: none;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    p, h2, h3 {
        orphans: 3;
        widows: 3;
    }
    
    img {
        max-width: 100% !important;
    }
}

/* Floating Menu */
.floating-menu {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Responsive Floating Menu for Mobile */
@media (max-width: 768px) {
    .floating-menu {
        bottom: 10px;
        left: 10px;
    }
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-in-out;
}

.page-loader.loaded {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.spinner-large {
    width: 80px;
    height: 80px;
    border: 8px solid rgba(255, 103, 0, 0.1);
    border-top: 8px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.5, 0.1, 0.5, 0.9) infinite;
    margin: 0 auto 20px;
}

.loader-content p {
    color: var(--primary-color);
    font-size: 1.2em;
    font-weight: 500;
    margin-top: 20px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
    backdrop-filter: blur(3px);
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-overlay .spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(73, 118, 171, 0.2);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

.loading-overlay p {
    color: var(--primary-dark);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Main.css - Centrale stijlen voor Dutch Fluency */

/* Page Header stijlen */
.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.page-header:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-sm);
}

.page-header h1 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-2xl);
    color: var(--primary-dark);
}

.header-subtitle {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
}

/* Knoppen */
.primary-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    box-shadow: var(--box-shadow-sm);
}

.primary-button:hover {
    background-color: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-md);
}

.primary-button:disabled {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Tips sectie stijlen */
.tips-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--box-shadow-sm);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.tip-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    transition: all var(--transition-normal);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-md);
}

/* Loading states */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.loading-spinner {
    border: 4px solid rgba(255, 103, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Error states */
.error-message {
    background: var(--error-color);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-md) 0;
}

/* Success states */
.success-message {
    background: var(--success-color);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-md) 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .content-wrapper {
        padding: var(--spacing-sm);
    }
    
    .page-header {
        padding-bottom: var(--spacing-sm);
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
}

/* Animaties */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in-up {
    animation: slideInUp 0.5s ease;
}

/* Dark Mode (als optie) */
body.dark-mode {
    --text-color: #e1e1e1;
    --text-light: #a0a0a0;
    --text-dark: #f8f8f8;
    --background-color: #222222;
    --background-alt: #333333;
    --border-color: #444444;
    
    background-color: var(--background-color);
    color: var(--text-color);
}

body.dark-mode .card,
body.dark-mode .section,
body.dark-mode .grid-card {
    background-color: var(--background-alt);
    color: var(--text-color);
}

/* Mindful Moment animatie voor schrijfoefening */
.mindful-animation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    margin: 1rem 0;
    min-height: 300px;
}

.breathing-circle {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    height: 200px;
}

.circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, #4CAF50, #2E7D32);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.4);
    animation: breathing 8s infinite ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

@keyframes breathing {
    0%, 100% {
        transform: scale(1);
        background: radial-gradient(circle, #4CAF50, #2E7D32);
        box-shadow: 0 0 20px rgba(76, 175, 80, 0.4);
    }
    40% {
        transform: scale(1.4);
        background: radial-gradient(circle, #81C784, #388E3C);
        box-shadow: 0 0 30px rgba(76, 175, 80, 0.7);
    }
    50% {
        transform: scale(1.4);
        background: radial-gradient(circle, #81C784, #388E3C);
        box-shadow: 0 0 30px rgba(76, 175, 80, 0.7);
    }
    90% {
        transform: scale(1);
        background: radial-gradient(circle, #4CAF50, #2E7D32);
        box-shadow: 0 0 20px rgba(76, 175, 80, 0.4);
    }
}

.breathing-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: #2E7D32;
    margin-top: 1.5rem;
    text-align: center;
    animation: fadeText 8s infinite;
}

@keyframes fadeText {
    0%, 100% {
        opacity: 0.7;
    }
    40%, 60% {
        opacity: 1;
    }
}

.breath-counter {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

.mindful-tips {
    background-color: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    max-width: 500px;
    width: 100%;
}

.mindful-tips h4 {
    color: #2E7D32;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.mindful-tips p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 0;
}

.feedback-status-container {
    margin: 1.5rem 0;
    text-align: center;
}

.feedback-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.feedback-status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #FFC107;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(255, 193, 7, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(255, 193, 7, 0);
    }
}

#feedbackStatusText {
    font-size: 0.9rem;
    color: #666;
}

.game-intermezzo-footer {
    margin-top: 1.5rem;
    text-align: center;
}

/* Game feature card styles */
.game-feature {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
}

.game-feature .card-icon {
    background-color: rgba(255, 255, 255, 0.2);
}

.game-feature .card-icon span {
    font-size: 2.5rem;
}

.game-feature .card-overlay {
    background-color: rgba(106, 17, 203, 0.9);
}

.game-feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(106, 17, 203, 0.3);
}

/* Vertaaltooltip stijlen */
.translation-tooltip {
    position: absolute;
    z-index: 9999;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    padding: 12px;
    max-width: 300px;
    font-size: 14px;
    line-height: 1.4;
    color: #333;
    border: 1px solid #ddd;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.translation-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.translation-tooltip .tooltip-content {
    margin-bottom: 8px;
}

.translation-tooltip .original-text {
    font-weight: bold;
    margin-bottom: 4px;
    color: var(--primary-color);
}

.translation-tooltip .translated-text {
    margin-bottom: 8px;
}

.translation-tooltip .add-to-vocabulary-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 8px;
    transition: background-color 0.2s ease;
}

.translation-tooltip .add-to-vocabulary-btn:hover {
    background-color: var(--primary-color-darker);
}

.translation-tooltip .add-to-vocabulary-btn i {
    margin-right: 5px;
}

/* Eenvoudige notificatie stijlen */
.simple-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    background-color: #333;
    color: white;
    border-radius: 4px;
    z-index: 10000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-width: 300px;
}

.simple-notification.success {
    background-color: #4CAF50;
}

.simple-notification.error {
    background-color: #F44336;
}

.simple-notification.info {
    background-color: #2196F3;
}