/* Tool-specific styles */
    .tool-header {
        text-align: center;
        padding: 2rem;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
    }

    .tool-header h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .tool-container {
        max-width: 1000px;
        margin: 2rem auto;
        padding: 0 1rem;
    }

    .upload-container {
        background: white;
        border-radius: 1rem;
        padding: 2rem;
        box-shadow: var(--card-shadow);
    }

    .upload-area {
        border: 2px dashed var(--border-color);
        border-radius: 0.5rem;
        padding: 3rem;
        text-align: center;
        transition: border-color 0.3s ease;
    }

    .upload-area.drag-over {
        border-color: var(--primary-color);
        background-color: rgba(37, 99, 235, 0.05);
    }

    .upload-area i {
        font-size: 3rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }

    .upload-btn {
        background-color: var(--primary-color);
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: 0.5rem;
        border: none;
        cursor: pointer;
        font-size: 1rem;
        margin-top: 1rem;
        transition: background-color 0.2s ease;
    }

    .upload-btn:hover {
        background-color: var(--hover-color);
    }

    .editor-container {
        background: white;
        border-radius: 1rem;
        padding: 2rem;
        box-shadow: var(--card-shadow);
        margin-top: 2rem;
    }

    .preview-container {
        text-align: center;
        margin-bottom: 2rem;
    }

    #preview-image {
        max-width: 100%;
        max-height: 500px;
        border-radius: 0.5rem;
    }

    .controls {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .format-control {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .format-control label {
        color: var(--text-color);
        font-weight: 500;
    }

    .format-control select {
        padding: 0.75rem;
        border: 1px solid var(--border-color);
        border-radius: 0.5rem;
        font-size: 1rem;
    }

    .quality-control {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .quality-control label {
        color: var(--text-color);
        font-weight: 500;
    }

    .quality-control input[type="range"] {
        flex: 1;
    }

    .primary-btn {
        background-color: var(--primary-color);
        color: white;
        padding: 1rem;
        border-radius: 0.5rem;
        border: none;
        cursor: pointer;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        transition: background-color 0.2s ease;
    }

    .primary-btn:hover {
        background-color: var(--hover-color);
    }

    /* Documentation styles */
    .documentation {
        max-width: 1000px;
        margin: 4rem auto;
        padding: 0 1rem;
    }

    .user-manual, .faq {
        background: white;
        border-radius: 1rem;
        padding: 2rem;
        box-shadow: var(--card-shadow);
        margin-bottom: 2rem;
    }

    .user-manual h2, .faq h2 {
        color: var(--text-color);
        margin-bottom: 1.5rem;
    }

    .user-manual ol {
        padding-left: 1.5rem;
    }

    .user-manual li {
        margin-bottom: 0.75rem;
        color: #4b5563;
    }

    .faq-item {
        margin-bottom: 1.5rem;
    }

    .faq-item h3 {
        color: var(--text-color);
        margin-bottom: 0.5rem;
        font-size: 1.1rem;
    }

    .faq-item p {
        color: #4b5563;
    }

    /* Responsive styles */
    @media (max-width: 768px) {
        .tool-header h1 {
            font-size: 2rem;
        }
    }