.pdf-tools-list .tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.pdf-tools-list .tool-card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.pdf-tools-list .tool-icon {
    font-size: 40px;
    color: #2271b1;
    margin-bottom: 15px;
}

.pdf-tool-container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pdf-tool-form .form-group {
    margin-bottom: 15px;
}

.pdf-tool-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.pdf-tool-form input[type="file"] {
    display: block;
    margin-bottom: 10px;
}

.pdf-tool-submit {
    background: #2271b1;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.pdf-tool-submit:hover {
    background: #135e96;
}

.pdf-tool-progress {
    margin-top: 20px;
}

.progress-bar {
    height: 20px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: #2271b1;
    width: 0%;
    transition: width 0.3s;
}

.pdf-tool-result {
    margin-top: 20px;
    padding: 15px;
    background: #f8fff0;
    border: 1px solid #e5e5e5;
}

.pdf-tool-auth-required {
    padding: 15px;
    background: #fff8e5;
    border: 1px solid #e5e5e5;
}