diff --git a/index.html b/index.html
index 7a6cb61..b1f20a8 100644
--- a/index.html
+++ b/index.html
@@ -741,9 +741,23 @@
                         <div id="no-docs" class="empty-state" style="display:none;">
                             <div class="empty-icon">📄</div>
                             <p>Ei dokumentteja vielä.</p>
-                            <p class="empty-hint">Klikkaa "+ Uusi dokumentti" aloittaaksesi.</p>
+                            <p class="empty-hint">Klikkaa "+ Uusi dokumentti" tai raahaa tiedostoja alle.</p>
                         </div>
                     </div>
+
+                    <!-- Drag & Drop -tiedostolataus -->
+                    <div id="doc-dropzone" class="doc-dropzone">
+                        <div class="doc-dropzone-icon">📁</div>
+                        <p>Raahaa tiedostoja tähän ladataksesi</p>
+                        <p class="doc-dropzone-hint">tai <label for="doc-multi-file" class="doc-dropzone-link">valitse tiedostot</label></p>
+                        <input type="file" id="doc-multi-file" multiple style="display:none;">
+                    </div>
+                    <div id="doc-upload-progress" class="doc-upload-progress" style="display:none;">
+                        <div class="doc-upload-progress-bar">
+                            <div class="doc-upload-progress-fill" id="doc-upload-fill"></div>
+                        </div>
+                        <span class="doc-upload-status" id="doc-upload-status">Ladataan...</span>
+                    </div>
                 </div>
 
                 <!-- Lukunäkymä -->
diff --git a/script.js b/script.js
index a34d2c2..32674fc 100644
--- a/script.js
+++ b/script.js
@@ -5563,6 +5563,201 @@ document.getElementById('doc-edit-form')?.addEventListener('submit', async (e) =
     } catch (e) { alert('Tallennus epäonnistui: ' + e.message); }
 });
 
+// ---- Drag & Drop multi-upload ----
+
+function detectDocCategory(filename) {
+    const ext = (filename.split('.').pop() || '').toLowerCase();
+    if (['png', 'jpg', 'jpeg', 'gif', 'webp', 'svg', 'bmp'].includes(ext)) return 'kuva';
+    return 'muu';
+}
+
+// Käy läpi kansiorakenne webkitGetAsEntry:n avulla
+function traverseFileTree(entry, path) {
+    return new Promise((resolve) => {
+        if (entry.isFile) {
+            entry.file(file => {
+                file._relativePath = path + file.name;
+                resolve([file]);
+            });
+        } else if (entry.isDirectory) {
+            const reader = entry.createReader();
+            reader.readEntries(async (entries) => {
+                let files = [];
+                for (const e of entries) {
+                    const sub = await traverseFileTree(e, path + entry.name + '/');
+                    files = files.concat(sub);
+                }
+                // Merkitään kansion nimi
+                if (files.length > 0) {
+                    files._folderName = entry.name;
+                }
+                resolve(files);
+            });
+        } else {
+            resolve([]);
+        }
+    });
+}
+
+async function handleDocFileDrop(dataTransfer) {
+    const progressEl = document.getElementById('doc-upload-progress');
+    const fillEl = document.getElementById('doc-upload-fill');
+    const statusEl = document.getElementById('doc-upload-status');
+
+    // Kerää tiedostot — tarkista kansiot webkitGetAsEntry:llä
+    let allFiles = [];
+    let folderName = null;
+    const items = dataTransfer.items;
+
+    if (items && items.length > 0 && items[0].webkitGetAsEntry) {
+        for (let i = 0; i < items.length; i++) {
+            const entry = items[i].webkitGetAsEntry();
+            if (entry) {
+                if (entry.isDirectory) {
+                    folderName = entry.name;
+                    const files = await traverseFileTree(entry, '');
+                    allFiles = allFiles.concat(files);
+                } else {
+                    const files = await traverseFileTree(entry, '');
+                    allFiles = allFiles.concat(files);
+                }
+            }
+        }
+    } else {
+        // Fallback: tavallinen files-lista
+        allFiles = Array.from(dataTransfer.files || []);
+    }
+
+    if (allFiles.length === 0) return;
+
+    // Näytä edistymispalkki
+    progressEl.style.display = '';
+    fillEl.style.width = '0%';
+    statusEl.textContent = `Ladataan 0 / ${allFiles.length} tiedostoa...`;
+
+    // Jos raahattiin kansio → luo kansio ensin
+    let targetFolderId = currentDocFolderId || null;
+    if (folderName) {
+        try {
+            const folder = await apiCall('document_folder_save', 'POST', {
+                name: folderName,
+                parent_id: currentDocFolderId || null,
+                customer_id: currentDocCustomerId || null
+            });
+            targetFolderId = folder.id;
+        } catch (e) {
+            console.error('Kansion luonti epäonnistui:', e);
+        }
+    }
+
+    let success = 0;
+    let failed = 0;
+    for (let i = 0; i < allFiles.length; i++) {
+        const file = allFiles[i];
+        const filename = file.name;
+        const pct = Math.round(((i) / allFiles.length) * 100);
+        fillEl.style.width = pct + '%';
+        statusEl.textContent = `Ladataan ${i + 1} / ${allFiles.length}: ${filename}`;
+
+        try {
+            // 1. Luo dokumentti
+            const saved = await apiCall('document_save', 'POST', {
+                title: filename.replace(/\.[^.]+$/, ''),
+                category: detectDocCategory(filename),
+                customer_id: currentDocCustomerId || null,
+                folder_id: targetFolderId,
+                max_versions: 10,
+                created_by: currentUser?.username || ''
+            });
+
+            // 2. Lataa tiedosto
+            const fd = new FormData();
+            fd.append('document_id', saved.id);
+            fd.append('file', file);
+            fd.append('change_notes', 'Ensimmäinen versio');
+            const res = await fetch(`${API}?action=document_upload`, {
+                method: 'POST',
+                credentials: 'include',
+                body: fd
+            });
+            if (!res.ok) {
+                const errData = await res.json().catch(() => ({}));
+                throw new Error(errData.error || 'Upload failed');
+            }
+            success++;
+        } catch (e) {
+            console.error(`Tiedoston "${filename}" lataus epäonnistui:`, e);
+            failed++;
+        }
+    }
+
+    // Valmis
+    fillEl.style.width = '100%';
+    const failText = failed > 0 ? ` (${failed} epäonnistui)` : '';
+    statusEl.textContent = `✓ ${success} tiedostoa ladattu${failText}`;
+
+    // Päivitä lista
+    await loadDocuments();
+    if (folderName && targetFolderId) {
+        navigateDocFolder(targetFolderId);
+    }
+
+    // Piilota edistymispalkki hetken kuluttua
+    setTimeout(() => {
+        progressEl.style.display = 'none';
+        fillEl.style.width = '0%';
+    }, 3000);
+}
+
+// Drop zone handlerit
+const docDropzone = document.getElementById('doc-dropzone');
+if (docDropzone) {
+    let dragCounter = 0;
+
+    docDropzone.addEventListener('dragenter', (e) => {
+        e.preventDefault();
+        dragCounter++;
+        docDropzone.classList.add('active');
+    });
+
+    docDropzone.addEventListener('dragover', (e) => {
+        e.preventDefault();
+        e.dataTransfer.dropEffect = 'copy';
+    });
+
+    docDropzone.addEventListener('dragleave', (e) => {
+        e.preventDefault();
+        dragCounter--;
+        if (dragCounter <= 0) {
+            dragCounter = 0;
+            docDropzone.classList.remove('active');
+        }
+    });
+
+    docDropzone.addEventListener('drop', async (e) => {
+        e.preventDefault();
+        dragCounter = 0;
+        docDropzone.classList.remove('active');
+        await handleDocFileDrop(e.dataTransfer);
+    });
+
+    // Klikkaa drop zonea → avaa file dialog
+    docDropzone.addEventListener('click', (e) => {
+        if (e.target.tagName !== 'LABEL' && e.target.tagName !== 'INPUT') {
+            document.getElementById('doc-multi-file')?.click();
+        }
+    });
+}
+
+// Multi-file input fallback
+document.getElementById('doc-multi-file')?.addEventListener('change', async (e) => {
+    if (e.target.files.length > 0) {
+        // Luo pseudo-DataTransfer jossa on files
+        await handleDocFileDrop({ files: e.target.files, items: null });
+        e.target.value = '';
+    }
+});
+
 // ==================== LAITETILAT ====================
 
 let allLaitetilat = [];
diff --git a/style.css b/style.css
index b668b11..d8cfd1c 100644
--- a/style.css
+++ b/style.css
@@ -1681,6 +1681,70 @@ span.empty {
     color: #888;
 }
 
+/* Drag & Drop -tiedostolataus */
+.doc-dropzone {
+    border: 2px dashed #d1d5db;
+    border-radius: 12px;
+    padding: 2rem 1rem;
+    text-align: center;
+    transition: all 0.2s;
+    margin-top: 1rem;
+    cursor: pointer;
+    background: #fafafa;
+}
+.doc-dropzone:hover {
+    border-color: #a0aec0;
+    background: #f7fafc;
+}
+.doc-dropzone.active {
+    border-color: var(--primary-color);
+    background: #eff6ff;
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
+}
+.doc-dropzone-icon {
+    font-size: 2rem;
+    margin-bottom: 0.5rem;
+}
+.doc-dropzone p {
+    margin: 0.25rem 0;
+    color: #666;
+    font-size: 0.9rem;
+}
+.doc-dropzone-hint {
+    font-size: 0.85rem !important;
+    color: #999 !important;
+}
+.doc-dropzone-link {
+    color: var(--primary-color);
+    cursor: pointer;
+    text-decoration: underline;
+}
+.doc-upload-progress {
+    margin-top: 0.75rem;
+    padding: 0.75rem 1rem;
+    background: #f8fafc;
+    border-radius: 8px;
+    border: 1px solid #e2e8f0;
+}
+.doc-upload-progress-bar {
+    height: 6px;
+    background: #e5e7eb;
+    border-radius: 3px;
+    overflow: hidden;
+    margin-bottom: 0.4rem;
+}
+.doc-upload-progress-fill {
+    height: 100%;
+    background: var(--primary-color);
+    transition: width 0.3s;
+    width: 0%;
+    border-radius: 3px;
+}
+.doc-upload-status {
+    font-size: 0.8rem;
+    color: #666;
+}
+
 /* Asiakasprofiilin dokumentit */
 .customer-doc-item {
     display: flex;