.selection-comment-mark {
  background: linear-gradient(180deg, rgba(255, 238, 153, 0) 46%, rgba(255, 213, 79, 0.72) 46%);
  border-radius: 2px;
  cursor: pointer;
}

.selection-comment-mark:hover {
  background: rgba(255, 213, 79, 0.55);
}

.selection-comment-popover,
.selection-comment-editor {
  position: fixed;
  z-index: 9998;
  display: none;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft Yahei", sans-serif;
}

.selection-comment-popover {
  padding: 8px;
  border: 1px solid rgba(30, 41, 59, 0.12);
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.96);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
}

.selection-comment-popover button,
.selection-comment-editor button,
.selection-comment-panel button {
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
}

.selection-comment-popover button {
  padding: 6px 10px;
  color: #fff;
  background: #2563eb;
}

.selection-comment-editor {
  width: min(360px, calc(100vw - 32px));
  padding: 12px;
  border: 1px solid rgba(30, 41, 59, 0.14);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.22);
}

.selection-comment-editor .quote {
  max-height: 80px;
  margin-bottom: 10px;
  padding: 8px;
  overflow: auto;
  border-left: 3px solid #f59e0b;
  background: #fff7ed;
  color: #5f4631;
  font-size: 13px;
  line-height: 1.55;
}

.selection-comment-editor textarea {
  width: 100%;
  min-height: 96px;
  box-sizing: border-box;
  padding: 9px 10px;
  resize: vertical;
  border: 1px solid #d7dde8;
  border-radius: 6px;
  outline: none;
  color: #1f2937;
  font: inherit;
  line-height: 1.6;
}

.selection-comment-editor textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.selection-comment-editor .actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 10px;
}

.selection-comment-editor .save-github {
  padding: 7px 12px;
  color: #fff;
  background: #2563eb;
}

.selection-comment-editor .save-local {
  padding: 7px 12px;
  color: #1f2937;
  background: #e5eaf2;
}

.selection-comment-editor .cancel {
  padding: 7px 12px;
  color: #4b5563;
  background: #eef2f7;
}

.selection-comment-panel-toggle {
  position: fixed;
  right: 18px;
  bottom: 92px;
  z-index: 9997;
  display: none;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: #1f2937;
  color: #fff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.2);
  cursor: pointer;
  font-weight: 700;
}

.selection-comment-panel {
  position: fixed;
  top: 88px;
  right: 18px;
  z-index: 9997;
  display: none;
  width: min(340px, calc(100vw - 36px));
  max-height: calc(100vh - 150px);
  overflow: auto;
  border: 1px solid rgba(30, 41, 59, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.18);
}

.selection-comment-panel.open {
  display: block;
}

.selection-comment-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid #edf0f5;
  font-weight: 700;
}

.selection-comment-panel .empty {
  padding: 18px 14px;
  color: #6b7280;
  font-size: 14px;
}

.selection-comment-status {
  margin: 12px 14px 0;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
}

.selection-comment-status.error {
  border: 1px solid #fed7aa;
  background: #fff7ed;
  color: #9a3412;
}

.selection-comment-item {
  padding: 12px 14px;
  border-bottom: 1px solid #edf0f5;
}

.selection-comment-item:last-child {
  border-bottom: 0;
}

.selection-comment-item .selected {
  margin-bottom: 8px;
  color: #374151;
  font-size: 13px;
  line-height: 1.5;
}

.selection-comment-item .source {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.selection-comment-item .source.github {
  color: #14532d;
  background: #dcfce7;
}

.selection-comment-item .source.local {
  color: #374151;
  background: #eef2f7;
}

.selection-comment-item .comment {
  color: #111827;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.selection-comment-item .meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  color: #8a94a6;
  font-size: 12px;
}

.selection-comment-item .delete {
  padding: 0;
  color: #dc2626;
  background: transparent;
}

.selection-comment-item a {
  color: #2563eb;
  text-decoration: none;
}

.selection-comment-item a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .selection-comment-panel {
    top: auto;
    right: 10px;
    bottom: 140px;
    left: 10px;
    width: auto;
    max-height: 50vh;
  }

  .selection-comment-panel-toggle {
    right: 14px;
    bottom: 82px;
  }
}