/* PDF Unlock Tool Styles */
.pdf-unlock-tool {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.tool-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.main-tool-bordered {
    border: 2px solid var(--accent-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-primary);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 2rem;
}

.file-upload-area:hover {
    border-color: var(--accent-color);
    background: var(--bg-hover);
}

.file-upload-area.dragover {
    border-color: var(--accent-color);
    background: var(--bg-hover);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.upload-text {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-input {
    display: none;
}

.file-info {
    display: none;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.file-info h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.file-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-detail {
    display: flex;
    justify-content: space-between;
}

.file-detail span:first-child {
    font-weight: 500;
}

.password-section {
    margin-bottom: 2rem;
}

.password-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.password-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.password-hint {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.options-section {
    margin-bottom: 2rem;
}

.options-section h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    transition: all 0.3s ease;
}

.option-item:hover {
    border-color: var(--accent-color);
    background: var(--bg-hover);
}

.option-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.option-item label {
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
}

.unlock-button {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.unlock-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.unlock-button:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.progress-container {
    margin-bottom: 2rem;
    display: none;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-container {
    display: none;
    text-align: center;
    padding: 2rem;
    border: 2px solid var(--success-color);
    border-radius: 12px;
    background: var(--success-bg);
    margin-bottom: 2rem;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--success-color);
}

.success-message {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.download-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--success-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.download-button:hover {
    background: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.error-container {
    display: none;
    text-align: center;
    padding: 2rem;
    border: 2px solid var(--error-color);
    border-radius: 12px;
    background: var(--error-bg);
    margin-bottom: 2rem;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--error-color);
}

.error-message {
    color: var(--text-secondary);
}

/* How to Use Section */
.how-to-use {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.how-to-use h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Why Use Section */
.why-use {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.why-use h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit {
    text-align: center;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.benefit:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.benefit p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.faq-grid {
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Related Tools Section */
.related-tools {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.related-tools h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    display: block;
    text-decoration: none;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.tool-card .tool-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tool-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .pdf-unlock-tool {
        padding: 1rem;
    }
    
    .tool-title {
        font-size: 2rem;
    }
    
    .main-tool-bordered {
        padding: 1.5rem;
    }
    
    .file-upload-area {
        padding: 2rem 1rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .file-details {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .file-upload-area {
    background: var(--bg-secondary);
}

[data-theme="dark"] .option-item {
    background: var(--bg-secondary);
}

[data-theme="dark"] .file-info {
    background: var(--bg-secondary);
}

[data-theme="dark"] .step {
    background: var(--bg-secondary);
}

[data-theme="dark"] .benefit {
    background: var(--bg-secondary);
}

[data-theme="dark"] .faq-item {
    background: var(--bg-secondary);
}

[data-theme="dark"] .tool-card {
    background: var(--bg-secondary);
}