feat: recalc coordinates flow

style.css

@@ -107,6 +107,16 @@ main {
   margin-bottom: 12px;
 }
 
+.panel-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+}
+.panel-header h2 {
+  margin-bottom: 0;
+}
+
 .left-col {
   display: flex;
   flex-direction: column;
@@ -275,6 +285,145 @@ main {
   background: #484f58;
 }
 
+.btn-edit-field {
+  padding: 4px 12px;
+  border: 1px solid var(--accent);
+  border-radius: 4px;
+  background: transparent;
+  color: var(--accent);
+  font-size: 12px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.15s, color 0.15s;
+}
+.btn-edit-field:hover {
+  background: rgba(88, 166, 255, 0.1);
+}
+
+.btn-save-field {
+  padding: 4px 12px;
+  border: none;
+  border-radius: 4px;
+  background: var(--btn-bg);
+  color: white;
+  font-size: 12px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.15s;
+}
+.btn-save-field:hover {
+  background: var(--btn-hover);
+}
+
+.btn-cancel-field {
+  padding: 4px 12px;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: transparent;
+  color: var(--text);
+  font-size: 12px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.15s;
+}
+.btn-cancel-field:hover {
+  background: var(--border);
+}
+
+.field-size-stack {
+  display: flex;
+  align-items: stretch;
+  gap: 8px;
+}
+
+.chain-link {
+  display: none;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  min-height: 56px;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: var(--input-bg);
+  color: var(--accent);
+  cursor: pointer;
+  flex-shrink: 0;
+  transition: background 0.15s, color 0.15s;
+}
+.chain-link:hover {
+  background: rgba(88, 166, 255, 0.1);
+}
+.chain-link.unlocked {
+  color: #8b949e;
+}
+.chain-link.visible {
+  display: flex;
+}
+
+.field-stack-inputs {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  flex: 1;
+}
+.field-stack-inputs label {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 13px;
+  color: #8b949e;
+}
+.field-stack-inputs label span {
+  min-width: 14px;
+}
+.field-stack-inputs input {
+  width: 100%;
+  padding: 6px 8px;
+  background: var(--input-bg);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  color: var(--heading);
+  font-size: 14px;
+  font-family: monospace;
+  outline: none;
+}
+.field-stack-inputs input:focus {
+  border-color: var(--accent);
+}
+.field-stack-inputs input:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.field-edit-options {
+  display: none;
+  margin-top: 10px;
+  flex-direction: column;
+  gap: 8px;
+}
+.field-edit-options.visible {
+  display: flex;
+}
+
+.field-save-row {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 8px;
+}
+
+.checkbox-label {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 12px;
+  color: #8b949e;
+  cursor: pointer;
+}
+.checkbox-label input[type="checkbox"] {
+  accent-color: var(--accent);
+}
+
 #fieldContainer {
   width: 100%;
   overflow: hidden;