/* Museum-specific styles - clean, accessible interface */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.site-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    font-weight: 400;
}

.museum-interface {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.guide-info {
    margin-bottom: 2rem;
}

.guide-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.guide-card h2 {
    font-size: 1rem;
    color: #7f8c8d;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guide-name {
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
}

.controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.6);
}

.btn-stop {
    background: linear-gradient(135deg, #e67e22, #d35400);
    color: white;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
}

.btn-stop:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.6);
}

.btn-conversation {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
}

.btn-conversation:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6);
}

.btn-conversation.active {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn:not(.btn-primary) {
    background: rgba(255, 255, 255, 0.9);
    color: #2c3e50;
    border: 2px solid rgba(52, 152, 219, 0.3);
}

.btn:not(.btn-primary):hover:not(:disabled) {
    transform: translateY(-2px);
    background: white;
    border-color: #3498db;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.answer-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.answer-display {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #34495e;
    min-height: 100px;
    padding: 1rem;
    background: rgba(236, 240, 241, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(189, 195, 199, 0.3);
    white-space: pre-wrap;
}

.audio {
    display: none;
}

.media-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin-top: 12px;
}
.media-grid img, .media-grid video{
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(189,195,199,0.5);
    background: #fff;
}

/* Responsive design */
@media (max-width: 768px) {
    .site-header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .museum-interface {
        margin: 1rem auto;
        padding: 0 0.5rem;
    }
}

/* Accessibility improvements */
.btn:focus {
    outline: 3px solid #3498db;
    outline-offset: 2px;
}

.answer-display:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #3498db;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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