/* Premium Content Preview Styles */
.premium-preview-container {
    position: relative;
    border: 2px solid #007bff;
    border-radius: 8px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.preview-content {
    position: relative;
    padding: 20px;
    filter: blur(3px);
    pointer-events: none;
    user-select: none;
    transition: filter 0.3s ease;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg, 
        rgba(0, 123, 255, 0.1) 0%, 
        rgba(108, 117, 125, 0.05) 50%,
        rgba(0, 123, 255, 0.1) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.preview-upgrade-card {
    background: white;
    border: 2px solid #007bff;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
    max-width: 400px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.premium-badge {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 15px;
    animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
    0% { background-position: -468px 0; }
    100% { background-position: 468px 0; }
}

.premium-feature-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.premium-feature-list li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.premium-feature-list li:last-child {
    border-bottom: none;
}

.premium-feature-list i {
    color: #28a745;
    margin-right: 8px;
}

.upgrade-btn {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.upgrade-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
    color: white;
}

/* Preview Sample Content */
.preview-sample {
    opacity: 0.7;
    font-family: 'Times New Roman', serif;
    line-height: 1.4;
}

.preview-sample h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

.preview-sample h3 {
    color: #34495e;
    margin-top: 20px;
    margin-bottom: 10px;
}

.preview-sample ul {
    margin-left: 20px;
}

.preview-sample p {
    margin-bottom: 10px;
    text-align: justify;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .preview-upgrade-card {
        margin: 10px;
        padding: 20px;
    }
    
    .premium-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .upgrade-btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

/* Premium button styles */
.btn-purple {
    background: linear-gradient(45deg, #6f42c1, #5a32a3);
    border: none;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-purple:hover {
    background: linear-gradient(45deg, #5a32a3, #4c2a85);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(111, 66, 193, 0.3);
    color: white;
}

.btn-outline-purple {
    border: 2px solid #6f42c1;
    color: #6f42c1;
    background: transparent;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-purple:hover {
    background: #6f42c1;
    color: white;
    transform: translateY(-1px);
}

/* Free version quality indicator */
.free-quality-badge {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 10px;
}

.quality-features {
    background: #f8f9fa;
    border-left: 4px solid #28a745;
    padding: 15px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.quality-features h6 {
    color: #28a745;
    font-weight: bold;
    margin-bottom: 10px;
}

.quality-features ul {
    margin: 0;
    padding-left: 20px;
}

.quality-features li {
    margin-bottom: 5px;
    font-size: 0.9rem;
}