/* ============================================================================
   Components.css - Gestandaardiseerde componenten voor Dutch Fluency
   ---------------------------------------------------------------------------
   Doel: Consistente styling voor alle veelgebruikte componenten in de app.
   Dit bestand biedt een gestandaardiseerde set van componentstijlen die 
   door alle pagina's kunnen worden gebruikt om een consistente look te behouden.
   ============================================================================
*/

/* Gestandaardiseerde header style voor alle pagina's */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 30px;
    border-radius: var(--border-radius-md);
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-md);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-header:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.page-header h1 {
    margin-bottom: 10px;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.page-header h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    margin: 15px auto 0;
    border-radius: var(--border-radius-sm);
}

.header-subtitle {
    opacity: 0.9;
    margin-top: 10px;
    font-size: 1.1rem;
}

/* Gestandaardiseerde content container */
.content-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Gestandaardiseerde tips secties */
.tips-section {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: var(--border-radius-md);
    margin-bottom: 30px;
    transition: transform 0.3s ease;
}

.tips-section:hover {
    transform: translateY(-3px);
}

.tips-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
    position: relative;
}

.tips-section h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin: 10px auto 0;
    border-radius: var(--border-radius-sm);
}

/* Gestandaardiseerde tips grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.tip-card {
    background-color: white;
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--box-shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.tip-card:hover::before {
    transform: scaleX(1);
}

.tip-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.tip-card:hover .tip-icon {
    transform: scale(1.1);
}

.tip-card h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.tip-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Gestandaardiseerde level selector */
.level-selector {
    margin: 20px 0;
    text-align: center;
}

.level-selector label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-dark);
}

.level-selector select {
    width: 100%;
    max-width: 300px;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: white;
    font-size: 1rem;
    color: var(--text-color);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.level-selector select:hover {
    border-color: var(--primary-light);
}

/* Gestandaardiseerde primary button */
.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-transform: none;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.primary-button .button-icon {
    margin-right: 8px;
    font-size: 1.1em;
    transition: transform 0.3s ease;
}

.primary-button:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.primary-button:hover .button-icon {
    transform: scale(1.1);
}

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

.primary-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.primary-button:hover::after {
    animation: ripple 1s ease-out;
}

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

.primary-button:disabled::after {
    display: none;
}

/* Animaties voor buttons */
@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

/* Gestandaardiseerde secondary button */
.btn.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn.secondary:hover {
    background-color: rgba(73, 118, 171, 0.1);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
}

/* Gestandaardiseerde loading state */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    margin: 20px auto;
    max-width: 500px;
    transition: opacity 0.3s ease-out;
}

.loading-state.hidden {
    display: none;
    opacity: 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(73, 118, 171, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-message {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--text-dark);
}

.loading-submessage {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.loader-progress {
    width: 100%;
    max-width: 300px;
    height: 6px;
    background-color: #f1f1f1;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 15px;
}

.loader-progress-bar {
    height: 100%;
    width: 0%;
    background-color: var(--primary-color);
    animation: progressAnimation 2s ease-in-out infinite;
}

@keyframes progressAnimation {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Gestandaardiseerde exercise container */
.exercise-container {
    background-color: white;
    border-radius: var(--border-radius-md);
    padding: 30px;
    margin-top: 20px;
    box-shadow: var(--box-shadow-md);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.exercise-container.hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

/* Gestandaardiseerde feedback container */
.feedback-container {
    background-color: white;
    border-radius: var(--border-radius-md);
    padding: 30px;
    margin-top: 20px;
    box-shadow: var(--box-shadow-md);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feedback-container.show {
    opacity: 1;
    transform: translateY(0);
}

/* Gestandaardiseerde error boundary */
.error-boundary {
    background-color: #fff8f8;
    border: 1px solid #ffd7d7;
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin: 20px 0;
    text-align: center;
    display: none;
}

.error-boundary.show {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.error-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    margin-bottom: 15px;
}

/* Responsive styles */
@media (max-width: 768px) {
    .page-header {
        padding: 20px;
    }
    
    .page-header h1 {
        font-size: 1.7rem;
    }
    
    .header-subtitle {
        font-size: 1rem;
    }
    
    .content-wrapper {
        padding: 15px;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .tip-card {
        padding: 15px;
    }
    
    .loading-state {
        padding: 30px 15px;
    }
    
    .exercise-container,
    .feedback-container {
        padding: 20px;
    }
}

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

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

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