1 files changed, 223 insertions, 0 deletions
diff --git a/packages/ui/src/components/line-comment-styles.ts b/packages/ui/src/components/line-comment-styles.ts
new file mode 100644
index 000000000..d5be67554
--- /dev/null
+++ b/packages/ui/src/components/line-comment-styles.ts
@@ -0,0 +1,223 @@
+export const lineCommentStyles = `
+[data-annotation-slot] {
+  padding: 12px;
+  box-sizing: border-box;
+}
+
+[data-component="line-comment"] {
+  position: absolute;
+  right: 24px;
+  z-index: var(--line-comment-z, 30);
+}
+
+[data-component="line-comment"][data-inline] {
+  position: relative;
+  right: auto;
+  display: flex;
+  width: 100%;
+  align-items: flex-start;
+}
+
+[data-component="line-comment"][data-open] {
+  z-index: var(--line-comment-open-z, 100);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-button"] {
+  width: 20px;
+  height: 20px;
+  border-radius: var(--radius-md);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: var(--icon-interactive-base);
+  box-shadow: var(--shadow-xs);
+  cursor: default;
+  border: none;
+}
+
+[data-component="line-comment"][data-variant="add"] [data-slot="line-comment-button"] {
+  background: var(--syntax-diff-add);
+}
+
+[data-component="line-comment"] [data-component="icon"] {
+  color: var(--white);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-icon"] {
+  width: 12px;
+  height: 12px;
+  color: var(--white);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-button"]:focus {
+  outline: none;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-button"]:focus-visible {
+  box-shadow: var(--shadow-xs-border-focus);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-popover"] {
+  position: absolute;
+  top: calc(100% + 4px);
+  right: -8px;
+  z-index: var(--line-comment-popover-z, 40);
+  min-width: 200px;
+  max-width: none;
+  border-radius: 8px;
+  background: var(--surface-raised-stronger-non-alpha);
+  box-shadow: var(--shadow-xxs-border);
+  padding: 12px;
+}
+
+[data-component="line-comment"][data-inline] [data-slot="line-comment-popover"] {
+  position: relative;
+  top: auto;
+  right: auto;
+  margin-left: 8px;
+  flex: 0 1 600px;
+  width: min(100%, 600px);
+  max-width: min(100%, 600px);
+}
+
+[data-component="line-comment"][data-inline] [data-slot="line-comment-popover"][data-inline-body] {
+  margin-left: 0;
+}
+
+[data-component="line-comment"][data-inline][data-variant="default"] [data-slot="line-comment-popover"][data-inline-body] {
+  cursor: pointer;
+}
+
+[data-component="line-comment"][data-variant="editor"] [data-slot="line-comment-popover"] {
+  width: 380px;
+  max-width: none;
+  padding: 8px;
+  border-radius: 14px;
+}
+
+[data-component="line-comment"][data-inline][data-variant="editor"] [data-slot="line-comment-popover"] {
+  flex-basis: 600px;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-content"] {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-head"] {
+  display: flex;
+  align-items: flex-start;
+  gap: 8px;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-text"] {
+  flex: 1;
+  font-family: var(--font-family-sans);
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-regular);
+  line-height: var(--line-height-x-large);
+  letter-spacing: var(--letter-spacing-normal);
+  color: var(--text-strong);
+  white-space: pre-wrap;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-tools"] {
+  flex: 0 0 auto;
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-label"],
+[data-component="line-comment"] [data-slot="line-comment-editor-label"] {
+  font-family: var(--font-family-sans);
+  font-size: var(--font-size-small);
+  font-weight: var(--font-weight-medium);
+  line-height: var(--line-height-large);
+  letter-spacing: var(--letter-spacing-normal);
+  color: var(--text-weak);
+  white-space: nowrap;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-editor"] {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-textarea"] {
+  width: 100%;
+  resize: vertical;
+  padding: 8px;
+  border-radius: var(--radius-md);
+  background: var(--surface-base);
+  border: 1px solid var(--border-base);
+  color: var(--text-strong);
+  font-family: var(--font-family-sans);
+  font-size: var(--font-size-small);
+  line-height: var(--line-height-large);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-textarea"]:focus {
+  outline: none;
+  box-shadow: var(--shadow-xs-border-select);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-actions"] {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding-left: 8px;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-editor-label"] {
+  margin-right: auto;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-action"] {
+  border: 1px solid var(--border-base);
+  background: var(--surface-base);
+  color: var(--text-strong);
+  border-radius: var(--radius-md);
+  height: 28px;
+  padding: 0 10px;
+  font-family: var(--font-family-sans);
+  font-size: var(--font-size-small);
+  font-weight: var(--font-weight-medium);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-action"][data-variant="ghost"] {
+  background: transparent;
+}
+
+[data-component="line-comment"] [data-slot="line-comment-action"][data-variant="primary"] {
+  background: var(--text-strong);
+  border-color: var(--text-strong);
+  color: var(--background-base);
+}
+
+[data-component="line-comment"] [data-slot="line-comment-action"]:disabled {
+  opacity: 0.5;
+  pointer-events: none;
+}
+`
+
+let installed = false
+
+export function installLineCommentStyles() {
+  if (installed) return
+  if (typeof document === "undefined") return
+
+  const id = "opencode-line-comment-styles"
+  if (document.getElementById(id)) {
+    installed = true
+    return
+  }
+
+  const style = document.createElement("style")
+  style.id = id
+  style.textContent = lineCommentStyles
+  document.head.appendChild(style)
+  installed = true
+}