diff --git a/app/static/app.css b/app/static/app.css
index 7fdf23e..bd0dbe3 100644
--- a/app/static/app.css
+++ b/app/static/app.css
@@ -4613,3 +4613,667 @@ table {
   }
 }
 /* ===== end tighten metadata panel on mobile (real classes) ===== */
+
+
+/* ===== tighten non-OCR detail tabs on mobile ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="extracted-fields"],
+  .tab-panel[data-panel="additional-fields"],
+  .tab-panel[data-panel="line-items"],
+  .tab-panel[data-panel="versions"],
+  .tab-panel[data-panel="raw-ocr"],
+  .tab-panel[data-panel="source-options"] {
+    font-size: 0.8rem !important;
+    line-height: 1.22 !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .card-title,
+  .tab-panel[data-panel="additional-fields"] .card-title,
+  .tab-panel[data-panel="line-items"] .card-title,
+  .tab-panel[data-panel="versions"] .card-title,
+  .tab-panel[data-panel="raw-ocr"] .card-title,
+  .tab-panel[data-panel="source-options"] .card-title {
+    font-size: 0.98rem !important;
+    line-height: 1.08 !important;
+    margin: 0 0 0.3rem 0 !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] > p,
+  .tab-panel[data-panel="additional-fields"] > p,
+  .tab-panel[data-panel="line-items"] > p,
+  .tab-panel[data-panel="versions"] > p,
+  .tab-panel[data-panel="raw-ocr"] > p,
+  .tab-panel[data-panel="source-options"] > p {
+    font-size: 0.76rem !important;
+    line-height: 1.15 !important;
+    margin: 0.08rem 0 !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .form-grid,
+  .tab-panel[data-panel="additional-fields"] .form-grid {
+    gap: 0.42rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .form-field,
+  .tab-panel[data-panel="additional-fields"] .form-field {
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .form-field label,
+  .tab-panel[data-panel="additional-fields"] .form-field label,
+  .tab-panel[data-panel="line-items"] th,
+  .tab-panel[data-panel="versions"] th,
+  .tab-panel[data-panel="source-options"] .meta-label {
+    font-size: 0.72rem !important;
+    line-height: 1.1 !important;
+    margin-bottom: 0.14rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] input,
+  .tab-panel[data-panel="extracted-fields"] textarea,
+  .tab-panel[data-panel="extracted-fields"] select,
+  .tab-panel[data-panel="additional-fields"] input,
+  .tab-panel[data-panel="additional-fields"] textarea,
+  .tab-panel[data-panel="additional-fields"] select,
+  .tab-panel[data-panel="line-items"] input,
+  .tab-panel[data-panel="line-items"] textarea,
+  .tab-panel[data-panel="line-items"] select {
+    font-size: 0.8rem !important;
+    line-height: 1.2 !important;
+    padding-top: 0.42rem !important;
+    padding-bottom: 0.42rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] textarea,
+  .tab-panel[data-panel="additional-fields"] textarea {
+    min-height: 5.5rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .button-row,
+  .tab-panel[data-panel="additional-fields"] .button-row,
+  .tab-panel[data-panel="line-items"] .button-row,
+  .tab-panel[data-panel="versions"] .button-row,
+  .tab-panel[data-panel="raw-ocr"] .button-row,
+  .tab-panel[data-panel="source-options"] .button-row {
+    margin-top: 0.35rem !important;
+    margin-bottom: 0.35rem !important;
+    gap: 0.24rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .button-row button,
+  .tab-panel[data-panel="additional-fields"] .button-row button,
+  .tab-panel[data-panel="line-items"] .button-row button,
+  .tab-panel[data-panel="versions"] .button-row button,
+  .tab-panel[data-panel="raw-ocr"] .button-row button,
+  .tab-panel[data-panel="source-options"] .button-row button,
+  .tab-panel[data-panel="additional-fields"] .button-row .button-link,
+  .tab-panel[data-panel="source-options"] .button-row .button-link {
+    font-size: 0.74rem !important;
+    line-height: 1 !important;
+    min-height: 1.6rem !important;
+    height: 1.6rem !important;
+    padding: 0 0.42rem !important;
+    border-radius: 999px !important;
+  }
+
+  .tab-panel[data-panel="line-items"] table th,
+  .tab-panel[data-panel="line-items"] table td,
+  .tab-panel[data-panel="versions"] table th,
+  .tab-panel[data-panel="versions"] table td {
+    padding: 0.22rem !important;
+    font-size: 0.72rem !important;
+    line-height: 1.15 !important;
+  }
+
+  .tab-panel[data-panel="raw-ocr"] pre,
+  .tab-panel[data-panel="raw-ocr"] textarea {
+    font-size: 0.78rem !important;
+    line-height: 1.2 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .meta-grid {
+    gap: 0.34rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .meta-item {
+    padding: 0.38rem 0.48rem !important;
+    border-radius: 0.85rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .meta-label {
+    font-size: 0.7rem !important;
+    margin-bottom: 0.12rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .meta-item,
+  .tab-panel[data-panel="source-options"] .meta-item div,
+  .tab-panel[data-panel="source-options"] .meta-item span:not(.meta-label) {
+    font-size: 0.76rem !important;
+    line-height: 1.18 !important;
+  }
+}
+/* ===== end tighten non-OCR detail tabs on mobile ===== */
+
+
+
+
+/* ===== extracted fields header inline action ===== */
+@media (max-width: 900px) {
+  .extracted-fields-header-row {
+    display: grid !important;
+    grid-template-columns: minmax(0, 1fr) auto !important;
+    align-items: center !important;
+    column-gap: 0.35rem !important;
+    margin-bottom: 0.18rem !important;
+  }
+
+  .extracted-fields-header-row .card-title {
+    margin: 0 !important;
+    white-space: nowrap !important;
+    overflow: hidden !important;
+    text-overflow: ellipsis !important;
+    min-width: 0 !important;
+    font-size: 0.98rem !important;
+    line-height: 1.05 !important;
+  }
+
+  .extracted-autofill-inline-form {
+    margin: 0 !important;
+    justify-self: end !important;
+  }
+
+  .extracted-autofill-inline-form button {
+    display: inline-flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    white-space: nowrap !important;
+    font-size: 0.72rem !important;
+    line-height: 1 !important;
+    font-weight: 500 !important;
+    min-height: 1.5rem !important;
+    height: 1.5rem !important;
+    padding: 0 0.34rem !important;
+    border-radius: 999px !important;
+    margin: 0 !important;
+  }
+}
+/* ===== end extracted fields header inline action ===== */
+
+
+/* ===== extracted version line spacing ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="extracted-fields"] > p:first-of-type {
+    margin-top: 0.16rem !important;
+    margin-bottom: 0.28rem !important;
+    line-height: 1.18 !important;
+  }
+
+  .extracted-fields-header-row {
+    margin-bottom: 0.12rem !important;
+  }
+}
+/* ===== end extracted version line spacing ===== */
+
+
+/* ===== line items header inline action ===== */
+@media (max-width: 900px) {
+  .line-items-header-row {
+    display: grid !important;
+    grid-template-columns: minmax(0, 1fr) auto !important;
+    align-items: center !important;
+    column-gap: 0.35rem !important;
+    margin-bottom: 0.12rem !important;
+  }
+
+  .line-items-header-row .card-title {
+    margin: 0 !important;
+    white-space: nowrap !important;
+    overflow: hidden !important;
+    text-overflow: ellipsis !important;
+    min-width: 0 !important;
+    font-size: 0.98rem !important;
+    line-height: 1.05 !important;
+  }
+
+  .line-items-regenerate-inline-form {
+    margin: 0 !important;
+    justify-self: end !important;
+  }
+
+  .line-items-regenerate-inline-form button {
+    display: inline-flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    white-space: nowrap !important;
+    font-size: 0.72rem !important;
+    line-height: 1 !important;
+    font-weight: 500 !important;
+    min-height: 1.5rem !important;
+    height: 1.5rem !important;
+    padding: 0 0.34rem !important;
+    border-radius: 999px !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="line-items"] > p:first-of-type {
+    margin-top: 0.16rem !important;
+    margin-bottom: 0.28rem !important;
+    line-height: 1.18 !important;
+  }
+}
+/* ===== end line items header inline action ===== */
+
+
+/* ===== additional fields preset controls one row ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="additional-fields"] form[style*="margin-bottom: 1rem;"] .button-row {
+    display: grid !important;
+    grid-template-columns: minmax(0, 1fr) auto auto !important;
+    align-items: center !important;
+    gap: 0.22rem !important;
+    margin: 0.18rem 0 0.35rem 0 !important;
+  }
+
+  .tab-panel[data-panel="additional-fields"] form[style*="margin-bottom: 1rem;"] .button-row select {
+    min-width: 0 !important;
+    width: 100% !important;
+    font-size: 0.78rem !important;
+    line-height: 1.1 !important;
+    height: 1.7rem !important;
+    padding: 0 0.45rem !important;
+  }
+
+  .tab-panel[data-panel="additional-fields"] form[style*="margin-bottom: 1rem;"] .button-row button,
+  .tab-panel[data-panel="additional-fields"] form[style*="margin-bottom: 1rem;"] .button-row .button-link {
+    display: inline-flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    white-space: nowrap !important;
+    font-size: 0.72rem !important;
+    line-height: 1 !important;
+    min-height: 1.7rem !important;
+    height: 1.7rem !important;
+    padding: 0 0.42rem !important;
+    border-radius: 999px !important;
+    margin: 0 !important;
+  }
+}
+/* ===== end additional fields preset controls one row ===== */
+
+
+
+
+/* ===== source options dropdown + tighter mobile layout ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="source-options"] .card-title {
+    margin-bottom: 0.22rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form {
+    gap: 0.34rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card {
+    padding: 0.56rem !important;
+    border-radius: 0.9rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] h3 {
+    margin: 0 0 0.2rem 0 !important;
+    font-size: 0.88rem !important;
+    line-height: 1.05 !important;
+  }
+
+  .source-options-select-row {
+    display: grid !important;
+    grid-template-columns: 4.2rem minmax(0, 1fr) !important;
+    gap: 0.18rem !important;
+    align-items: center !important;
+  }
+
+  .source-options-inline-label {
+    font-size: 0.7rem !important;
+    line-height: 1.05 !important;
+    color: #6b7280 !important;
+    margin: 0 !important;
+  }
+
+  .source-options-select-row select,
+  .tab-panel[data-panel="source-options"] select {
+    font-size: 0.74rem !important;
+    line-height: 1.05 !important;
+    min-height: 1.6rem !important;
+    height: 1.6rem !important;
+    padding: 0 0.4rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .button-row {
+    margin-top: 0.18rem !important;
+    margin-bottom: 0 !important;
+    gap: 0.18rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .button-row button,
+  .tab-panel[data-panel="source-options"] .button-row .button-link {
+    font-size: 0.7rem !important;
+    line-height: 1 !important;
+    min-height: 1.5rem !important;
+    height: 1.5rem !important;
+    padding: 0 0.36rem !important;
+    border-radius: 999px !important;
+  }
+}
+/* ===== end source options dropdown + tighter mobile layout ===== */
+
+
+/* ===== metadata card matches source-options styling ===== */
+@media (max-width: 900px) {
+  .meta-grid {
+    gap: 0.34rem !important;
+  }
+
+  .meta-item {
+    padding: 0.56rem !important;
+    border-radius: 0.9rem !important;
+  }
+
+  .meta-label {
+    font-size: 0.7rem !important;
+    line-height: 1.05 !important;
+    margin-bottom: 0.14rem !important;
+    color: #6b7280 !important;
+  }
+
+  .meta-item,
+  .meta-item div,
+  .meta-item span:not(.meta-label) {
+    font-size: 0.74rem !important;
+    line-height: 1.18 !important;
+  }
+
+  .meta-grid + .card-title,
+  h2.card-title + .meta-grid,
+  .card-title {
+    margin-bottom: 0.22rem !important;
+  }
+}
+ /* ===== end metadata card matches source-options styling ===== */
+
+
+/* ===== metadata card matches source-options styling v2 ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="source-options"] > h2.card-title:last-of-type {
+    font-size: 0.98rem !important;
+    line-height: 1.08 !important;
+    margin: 0.1rem 0 0.22rem 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > .meta-grid {
+    gap: 0.34rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > .meta-grid > .meta-item {
+    padding: 0.56rem !important;
+    border-radius: 0.9rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > .meta-grid > .meta-item > .meta-label {
+    display: block !important;
+    font-size: 0.7rem !important;
+    line-height: 1.05 !important;
+    margin-bottom: 0.14rem !important;
+    color: #6b7280 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > .meta-grid > .meta-item,
+  .tab-panel[data-panel="source-options"] > .meta-grid > .meta-item > span:not(.meta-label),
+  .tab-panel[data-panel="source-options"] > .meta-grid > .meta-item > div {
+    font-size: 0.74rem !important;
+    line-height: 1.18 !important;
+  }
+}
+/* ===== end metadata card matches source-options styling v2 ===== */
+
+
+/* ===== data reset matches file source box ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="source-options"] .card h3 {
+    margin: 0 0 0.18rem 0 !important;
+    font-size: 0.88rem !important;
+    line-height: 1.05 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card:has(select[name="ocr_action"]) {
+    padding: 0.56rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card:has(select[name="ocr_action"]) > div[style*="display:grid"] {
+    display: grid !important;
+    grid-template-columns: 1fr !important;
+    gap: 0.22rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card:has(select[name="ocr_action"]) > div[style*="display:grid"] > div {
+    display: grid !important;
+    grid-template-columns: 7.2rem minmax(0, 1fr) !important;
+    align-items: center !important;
+    gap: 0.28rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card:has(select[name="ocr_action"]) label {
+    font-size: 0.74rem !important;
+    line-height: 1.1 !important;
+    margin: 0 !important;
+    color: #111827 !important;
+    font-weight: 600 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] .card:has(select[name="ocr_action"]) select {
+    width: 100% !important;
+    min-width: 0 !important;
+    font-size: 0.74rem !important;
+    line-height: 1.05 !important;
+    min-height: 1.6rem !important;
+    height: 1.6rem !important;
+    padding: 0 0.4rem !important;
+  }
+}
+/* ===== end data reset matches file source box ===== */
+
+
+/* ===== data reset relayout ===== */
+@media (max-width: 900px) {
+  .data-reset-grid {
+    display: grid !important;
+    grid-template-columns: 1fr !important;
+    gap: 0.22rem !important;
+  }
+
+  .data-reset-row {
+    display: grid !important;
+    grid-template-columns: 7.2rem minmax(0, 1fr) !important;
+    align-items: center !important;
+    gap: 0.28rem !important;
+    margin: 0 !important;
+  }
+
+  .data-reset-row label {
+    font-size: 0.74rem !important;
+    line-height: 1.1 !important;
+    margin: 0 !important;
+    color: #111827 !important;
+    font-weight: 600 !important;
+  }
+
+  .data-reset-row select {
+    width: 100% !important;
+    min-width: 0 !important;
+    font-size: 0.74rem !important;
+    line-height: 1.05 !important;
+    min-height: 1.6rem !important;
+    height: 1.6rem !important;
+    padding: 0 0.4rem !important;
+  }
+}
+/* ===== end data reset relayout ===== */
+
+
+/* ===== source-options data reset matches file source v3 ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) {
+    padding: 0.56rem !important;
+    border-radius: 0.9rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) > h3 {
+    margin: 0 0 0.18rem 0 !important;
+    font-size: 0.88rem !important;
+    line-height: 1.05 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) .data-reset-grid {
+    display: grid !important;
+    grid-template-columns: 1fr !important;
+    gap: 0.22rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) .data-reset-row {
+    display: grid !important;
+    grid-template-columns: 6.8rem minmax(0, 1fr) !important;
+    align-items: center !important;
+    gap: 0.22rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) .data-reset-row label {
+    font-size: 0.74rem !important;
+    line-height: 1.08 !important;
+    font-weight: 500 !important;
+    margin: 0 !important;
+    color: #6b7280 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > .card:nth-of-type(2) .data-reset-row select {
+    width: 100% !important;
+    min-width: 0 !important;
+    font-size: 0.74rem !important;
+    line-height: 1.05 !important;
+    min-height: 1.6rem !important;
+    height: 1.6rem !important;
+    padding: 0 0.4rem !important;
+    margin: 0 !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > div:last-child {
+    margin-top: 0.18rem !important;
+  }
+
+  .tab-panel[data-panel="source-options"] > form > div:last-child .btn {
+    font-size: 0.72rem !important;
+    line-height: 1 !important;
+    min-height: 1.5rem !important;
+    height: 1.5rem !important;
+    padding: 0 0.42rem !important;
+    border-radius: 999px !important;
+  }
+}
+/* ===== end source-options data reset matches file source v3 ===== */
+
+
+/* ===== extra json matches OCR editor ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-field {
+    margin-top: 0.12rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap {
+    display: block !important;
+    background: #f8fafc !important;
+    border: 1px solid #d7dce5 !important;
+    border-radius: 1rem !important;
+    overflow: hidden !important;
+    margin-top: 0.08rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap textarea {
+    display: block !important;
+    width: 100% !important;
+    min-height: 10rem !important;
+    border: 0 !important;
+    border-radius: 0 !important;
+    background: transparent !important;
+    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
+    font-size: 0.88rem !important;
+    line-height: 1.35 !important;
+    padding: 0.6rem 0.7rem !important;
+    resize: vertical !important;
+    box-sizing: border-box !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap textarea:focus {
+    outline: none !important;
+    box-shadow: none !important;
+  }
+}
+/* ===== end extra json matches OCR editor ===== */
+
+
+/* ===== extra json matches OCR editor with line numbers ===== */
+@media (max-width: 900px) {
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap {
+    display: grid !important;
+    grid-template-columns: 2.1rem minmax(0, 1fr) !important;
+    column-gap: 0 !important;
+    background: #f8fafc !important;
+    border: 1px solid #d7dce5 !important;
+    border-radius: 1rem !important;
+    overflow: hidden !important;
+    margin-top: 0.08rem !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap .line-numbers {
+    width: 2.1rem !important;
+    min-width: 2.1rem !important;
+    margin: 0 !important;
+    padding: 0.6rem 0.22rem 0.6rem 0.18rem !important;
+    text-align: right !important;
+    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
+    font-size: 0.88rem !important;
+    line-height: 1.35 !important;
+    color: #6b7280 !important;
+    background: #f3f4f6 !important;
+    border-right: 1px solid #d7dce5 !important;
+    overflow: hidden !important;
+    user-select: none !important;
+    box-sizing: border-box !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap textarea {
+    display: block !important;
+    width: 100% !important;
+    min-height: 10rem !important;
+    margin: 0 !important;
+    border: 0 !important;
+    border-radius: 0 !important;
+    background: transparent !important;
+    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
+    font-size: 0.88rem !important;
+    line-height: 1.35 !important;
+    padding: 0.6rem 0.7rem !important;
+    resize: vertical !important;
+    box-sizing: border-box !important;
+    overflow: auto !important;
+    white-space: pre !important;
+    overflow-wrap: normal !important;
+  }
+
+  .tab-panel[data-panel="extracted-fields"] .extra-json-editor-wrap textarea:focus {
+    outline: none !important;
+    box-shadow: none !important;
+  }
+}
+/* ===== end extra json matches OCR editor with line numbers ===== */
diff --git a/app/templates/base.html b/app/templates/base.html
index 7272a78..70bfc5b 100644
--- a/app/templates/base.html
+++ b/app/templates/base.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>{% block title %}Document Processor{% endblock %}</title>
-    <link rel="stylesheet" href="/static/app.css?v=131">
+    <link rel="stylesheet" href="/static/app.css?v=146">
     <link rel="stylesheet" href="/static/app-shell.css?v=66">
 </head>
 <body>
diff --git a/app/templates/documents/detail.html b/app/templates/documents/detail.html
index dbffe59..4246012 100644
--- a/app/templates/documents/detail.html
+++ b/app/templates/documents/detail.html
@@ -1,5 +1,27 @@
 {% extends "base.html" %}
-{% block title %}Document Detail{% endblock %}
+{% block title %}Document Detail
+<script>
+document.addEventListener("DOMContentLoaded", () => {
+  const ta = document.getElementById("extra_json");
+  const nums = document.getElementById("extra-json-line-numbers");
+  if (!ta || !nums) return;
+
+  const syncNums = () => {
+    const count = Math.max(1, ta.value.split("\n").length);
+    nums.textContent = Array.from({ length: count }, (_, i) => String(i + 1)).join("\n");
+    nums.scrollTop = ta.scrollTop;
+  };
+
+  ta.addEventListener("input", syncNums);
+  ta.addEventListener("scroll", () => {
+    nums.scrollTop = ta.scrollTop;
+  });
+
+  syncNums();
+});
+</script>
+
+{% endblock %}
 {% block content %}
 {% if error == "line_count_mismatch" %}
             <div class="error-box">
@@ -223,7 +245,14 @@
                     </div>
 
                     <div class="tab-panel{% if active_tab == 'extracted-fields' %} active{% endif %}" data-panel="extracted-fields">
-                        <h2 class="card-title">Extracted fields</h2>
+                                                <div class="extracted-fields-header-row">
+                            <h2 class="card-title">Extracted fields</h2>
+                            <form method="get" action="/documents/{{ document.document_id }}" class="extracted-autofill-inline-form">
+                                <input type="hidden" name="autofill_extracted" value="1">
+                                <input type="hidden" name="tab" value="extracted-fields">
+                                <button type="submit">Auto-extract fields</button>
+                            </form>
+                        </div>
 {% if current_extracted_version_number %}
 {% set current_extracted_meta = (
     extracted_version_options
@@ -243,13 +272,7 @@
                             <p class="empty-state">No extracted fields saved yet.</p>
                         {% endif %}
 
-                        <form method="get" action="/documents/{{ document.document_id }}">
-                            <input type="hidden" name="autofill_extracted" value="1">
-                            <input type="hidden" name="tab" value="extracted-fields">
-                            <div class="button-row">
-                                <button type="submit">Auto-extract fields</button>
-                            </div>
-                        </form>
+                        
 
                         <form method="post" action="/documents/{{ document.document_id }}/save-extracted-fields" style="margin-top: 1rem;">
                             <div class="form-grid">
@@ -265,7 +288,13 @@
                                 <div class="form-field"><label>Reference number</label><input type="text" name="receipt_number" value="{{ extracted_form.receipt_number }}"></div>
                                 <div class="form-field full"><label>Location</label><input type="text" name="location" value="{{ extracted_form.location }}"></div>
                                 <div class="form-field full"><label>Counterparty</label><input type="text" name="counterparty" value="{{ extracted_form.counterparty }}"></div>
-                                <div class="form-field full"><label>Extra JSON</label><textarea name="extra_json" rows="8">{{ extracted_form.extra_json }}</textarea></div>
+                                <div class="form-field full extra-json-editor-field">
+                                    <label for="extra_json">Extra JSON</label>
+                                    <div class="editor-wrap extra-json-editor-wrap">
+                                        <pre class="line-numbers" id="extra-json-line-numbers">1</pre>
+                                        <textarea id="extra_json" name="extra_json" rows="8" spellcheck="false">{{ extracted_form.extra_json }}</textarea>
+                                    </div>
+                                </div>
                             </div>
 
                             <div class="button-row" style="margin-top: 1rem;">
@@ -376,19 +405,19 @@
 
                     
 <div class="tab-panel{% if active_tab == 'line-items' %} active{% endif %}" data-panel="line-items">
-    <h2 class="card-title">Line Items</h2>
-
-    {% if current_line_item_version %}
+        <div class="line-items-header-row">
+        <h2 class="card-title">Line Items</h2>
+        <form method="post" action="/documents/{{ document.document_id }}/regenerate-line-items" class="line-items-regenerate-inline-form">
+            <button type="submit">Regenerate Line Items</button>
+        </form>
+    </div>
+{% if current_line_item_version %}
         <p>Current line item version: v{{ current_line_item_version.version_number }} — {{ current_line_item_version.created_at }}</p>
     {% else %}
         <p class="empty-state">No line items saved yet.</p>
     {% endif %}
 
-    <div class="button-row" style="margin-bottom: 0.75rem;">
-        <form method="post" action="/documents/{{ document.document_id }}/regenerate-line-items" style="display:inline;">
-            <button type="submit">Regenerate Line Items</button>
-        </form>
-    </div>
+    
 
     <form method="post" action="/documents/{{ document.document_id }}/save-line-items">
         {% set base_count = line_items|length %}
@@ -514,69 +543,48 @@ function addRow() {
 
                         <form method="post" action="/documents/{{ document.document_id }}/source-options" style="display:flex; flex-direction:column; gap:1rem;">
                             <div class="card" style="padding:1rem;">
-                                <h3 style="margin-top:0;">File Source</h3>
-                                <div style="display:flex; flex-direction:column; gap:0.75rem;">
-                                    <label style="display:flex; align-items:center; gap:0.5rem;">
-                                        <input type="radio" name="file_action" value="none" checked>
-                                        <span>No file change</span>
-                                    </label>
-                                    <label style="display:flex; align-items:center; gap:0.5rem;">
-                                        <input type="radio" name="file_action" value="revert_original">
-                                        <span>Revert to original file</span>
-                                    </label>
-                                    <label style="display:flex; align-items:center; gap:0.5rem;">
-                                        <input type="radio" name="file_action" value="revert_current_version">
-                                        <span>Revert to current saved version</span>
-                                    </label>
-                                </div>
+                                <div class="source-options-select-row">
+                                      <label for="file_action_select" class="source-options-inline-label">File source</label>
+                                      <select id="file_action_select" name="file_action">
+                                          <option value="none" selected>No file change</option>
+                                          <option value="revert_original">Revert to original file</option>
+                                          <option value="revert_current_saved">Revert to current saved version</option>
+                                      </select>
+                                  </div>
                             </div>
 
                             <div class="card" style="padding:1rem;">
                                 <h3 style="margin-top:0;">Data Reset</h3>
-<div style="display:grid; grid-template-columns: 180px 1fr; gap:0.75rem; align-items:center; margin-bottom:0.75rem;">
-                                    <strong>OCR</strong>
-                                    <select name="ocr_restore_choice">
-                                        <option value="none" selected>No change</option>
-                                        <option value="original">Original</option>
-                                        {% for version_number, version_type, created_at in ocr_version_options %}
-                                        <option value="version:{{ version_number }}">v{{ version_number }} — {{ version_type }} — {{ created_at }}</option>
-                                        {% endfor %}
-                                    </select>
-                                </div>
-
-                                <div style="display:grid; grid-template-columns: 180px 1fr; gap:0.75rem; align-items:center; margin-bottom:0.75rem;">
-                                    <strong>Extracted fields</strong>
-                                    <select name="extracted_restore_choice">
-                                        <option value="none" selected>No change</option>
-                                        <option value="original">Original</option>
-                                        {% for version_number, created_at in extracted_version_options %}
-                                        <option value="version:{{ version_number }}">v{{ version_number }} — {{ created_at }}</option>
-                                        {% endfor %}
-                                    </select>
-                                </div>
-
-                                <div style="display:grid; grid-template-columns: 180px 1fr; gap:0.75rem; align-items:center; margin-bottom:0.75rem;">
-                                    <strong>Additional fields</strong>
-                                    <select name="additional_restore_choice">
-                                        <option value="none" selected>No change</option>
-                                        <option value="original">Original</option>
-                                        {% for version_number, created_at in additional_version_options %}
-                                        <option value="version:{{ version_number }}">v{{ version_number }} — {{ created_at }}</option>
-                                        {% endfor %}
-                                    </select>
-                                </div>
-
-                                <div style="display:grid; grid-template-columns: 180px 1fr; gap:0.75rem; align-items:center;">
-                                    <strong>Line items</strong>
-                                    <select name="line_item_restore_choice">
-                                        <option value="none" selected>No change</option>
-                                        <option value="clear">Clear</option>
-                                        {% for version in document.line_item_set_versions %}
-                                        <option value="version:{{ version.version_number }}">v{{ version.version_number }} — {{ version.created_at }}</option>
-                                        {% endfor %}
-                                    </select>
-                                </div>
-                            </div>
+<div class="data-reset-grid">
+                                      <div class="data-reset-row">
+                                          <label for="ocr_action">OCR</label>
+                                          <select id="ocr_action" name="ocr_action">
+                                              <option value="none" {% if selected_ocr_action == "none" %}selected{% endif %}>No change</option>
+                                              <option value="reset" {% if selected_ocr_action == "reset" %}selected{% endif %}>Reset</option>
+                                          </select>
+                                      </div>
+                                      <div class="data-reset-row">
+                                          <label for="extracted_action">Extracted fields</label>
+                                          <select id="extracted_action" name="extracted_action">
+                                              <option value="none" {% if selected_extracted_action == "none" %}selected{% endif %}>No change</option>
+                                              <option value="reset" {% if selected_extracted_action == "reset" %}selected{% endif %}>Reset</option>
+                                          </select>
+                                      </div>
+                                      <div class="data-reset-row">
+                                          <label for="additional_action">Additional fields</label>
+                                          <select id="additional_action" name="additional_action">
+                                              <option value="none" {% if selected_additional_action == "none" %}selected{% endif %}>No change</option>
+                                              <option value="reset" {% if selected_additional_action == "reset" %}selected{% endif %}>Reset</option>
+                                          </select>
+                                      </div>
+                                      <div class="data-reset-row">
+                                          <label for="line_items_action">Line items</label>
+                                          <select id="line_items_action" name="line_items_action">
+                                              <option value="none" {% if selected_line_items_action == "none" %}selected{% endif %}>No change</option>
+                                              <option value="reset" {% if selected_line_items_action == "reset" %}selected{% endif %}>Reset</option>
+                                          </select>
+                                      </div>
+                                  </div>
 
                             <div>
                                 <button class="btn btn-primary" type="submit">Apply Source Options</button>
@@ -622,4 +630,26 @@ function addRow() {
                 <div class="meta-item"><span class="meta-label">Updated at</span>{{ document.updated_at }}</div>
             </div>
         </div>
+
+<script>
+document.addEventListener("DOMContentLoaded", () => {
+  const ta = document.getElementById("extra_json");
+  const nums = document.getElementById("extra-json-line-numbers");
+  if (!ta || !nums) return;
+
+  const syncNums = () => {
+    const count = Math.max(1, ta.value.split("\n").length);
+    nums.textContent = Array.from({ length: count }, (_, i) => String(i + 1)).join("\n");
+    nums.scrollTop = ta.scrollTop;
+  };
+
+  ta.addEventListener("input", syncNums);
+  ta.addEventListener("scroll", () => {
+    nums.scrollTop = ta.scrollTop;
+  });
+
+  syncNums();
+});
+</script>
+
 {% endblock %}