/* Main Form Container */
.prm-upload-form {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

/* Form Header */
.prm-form-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.prm-form-header h3 {
    color: #2c3e50;
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.prm-form-header p {
    color: #7f8c8d;
    margin: 0;
}

/* Form Elements */
.prm-form-group {
    margin-bottom: 1.5rem;
}

.prm-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.prm-form-group input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px dashed #bdc3c7;
    border-radius: 4px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.prm-form-group input[type="file"]:hover {
    border-color: #3498db;
    background: #eaf2f8;
}

/* Preview Section */
.prm-preview {
    margin: 1.5rem 0;
    padding: 1rem;
    border: 2px dashed #bdc3c7;
    border-radius: 4px;
    text-align: center;
    background: #f8f9fa;
    display: none;
}

.prm-preview h4 {
    margin-top: 0;
    color: #2c3e50;
}

.prm-preview img {
    max-width: 100%;
    height: auto;
    max-height: 300px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Submit Button */
.prm-submit-button {
    display: block;
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.prm-submit-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(41, 128, 185, 0.3);
}

/* Error Messages */
.prm-error {
    padding: 1rem;
    margin: 1rem 0;
    background: #fdecea;
    border-left: 4px solid #f44336;
    color: #c62828;
    border-radius: 0 4px 4px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .prm-upload-form {
        padding: 1.5rem;
        margin: 1rem;
    }
}

@media (max-width: 480px) {
    .prm-upload-form {
        padding: 1rem;
    }
    
    .prm-form-header h3 {
        font-size: 1.3rem;
    }
}