.menu-group a.active {
  color: #1677ff;
  background: rgba(255, 255, 255, 0.24);
  font-weight: 700;
}

.protocol-page {
  flex: 1;
  padding: 10px 12px 18px;
  background: #eef3f8;
}

.protocol-card {
  min-height: calc(100vh - 118px);
  padding: 18px 26px 82px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 1px 8px rgba(28, 82, 142, 0.08);
}

.protocol-card h1 {
  margin: 0 0 26px;
  color: #111827;
  font-size: 16px;
  font-weight: 700;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px 24px;
  color: #10213b;
  font-size: 14px;
}

.section-title span {
  width: 4px;
  height: 16px;
  display: inline-block;
  border-radius: 2px;
  background: #2e73ff;
}

.protocol-form {
  position: relative;
}

.editor-shell {
  width: min(865px, calc(100vw - 330px));
  min-width: 720px;
  margin-left: 26px;
  border: 1px solid #d4d8df;
  background: #fff;
}

.editor-shell.fullscreen {
  position: fixed;
  inset: 18px;
  z-index: 240;
  width: auto;
  min-width: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 42px rgba(13, 34, 64, 0.28);
}

.editor-toolbar {
  height: 42px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: center;
  border-bottom: 1px solid #edf1f5;
  background: #fff;
}

.editor-toolbar button {
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  color: #666;
  background: transparent;
  font-size: 26px;
  cursor: pointer;
}

.editor-toolbar button:hover {
  color: #1f82ea;
  background: #f5f9ff;
}

.font-color {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  text-decoration: underline;
}

.font-size {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 700;
}

.font-size small {
  margin-left: 1px;
  font-size: 13px;
}

.list-icon,
.align-icon,
.fullscreen-icon {
  width: 26px;
  height: 26px;
  position: relative;
  display: inline-block;
}

.list-icon::before,
.list-icon::after {
  content: "";
  position: absolute;
}

.list-icon.unordered::before {
  left: 1px;
  top: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 8px 0 currentColor, 0 16px 0 currentColor;
}

.list-icon.ordered::before {
  left: 0;
  top: 2px;
  content: "1\A2\A3";
  white-space: pre;
  font-size: 8px;
  font-weight: 700;
  line-height: 8px;
}

.list-icon::after {
  left: 9px;
  top: 5px;
  width: 16px;
  height: 3px;
  background: currentColor;
  box-shadow: 0 8px 0 currentColor, 0 16px 0 currentColor;
}

.align-icon::before {
  content: "";
  position: absolute;
  top: 5px;
  height: 3px;
  background: currentColor;
  box-shadow: 0 7px 0 currentColor, 0 14px 0 currentColor;
}

.align-icon.left::before {
  left: 2px;
  width: 22px;
}

.align-icon.center::before {
  left: 5px;
  width: 16px;
}

.align-icon.right::before {
  right: 2px;
  width: 22px;
}

.undo-icon,
.redo-icon {
  font-size: 32px;
  line-height: 1;
}

.fullscreen-icon::before,
.fullscreen-icon::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
}

.fullscreen-icon::before {
  left: 3px;
  top: 3px;
  border-left: 2px solid currentColor;
  border-top: 2px solid currentColor;
  box-shadow: 12px 0 0 -1px #fff, 12px 0 0 0 currentColor;
}

.fullscreen-icon::after {
  right: 3px;
  bottom: 3px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  box-shadow: -12px 0 0 -1px #fff, -12px 0 0 0 currentColor;
}

.protocol-editor {
  min-height: 405px;
  padding: 14px 8px;
  color: #1f2d3d;
  background: #fff;
  font-size: 14px;
  line-height: 1.8;
  outline: 0;
  overflow: auto;
}

.editor-shell.fullscreen .protocol-editor {
  flex: 1;
  min-height: 0;
}

.protocol-editor:empty::before {
  content: attr(data-placeholder);
  color: #7c8da6;
  pointer-events: none;
}

.protocol-editor p {
  margin: 0 0 8px;
}

.protocol-editor ul,
.protocol-editor ol {
  margin: 0 0 8px 24px;
  padding: 0;
}

.protocol-actions {
  position: fixed;
  left: 252px;
  bottom: 28px;
}

.protocol-save-button {
  min-width: 58px;
  height: 26px;
  padding: 0 16px;
  border: 1px solid #2e73ff;
  border-radius: 4px;
  color: #fff;
  background: #2e73ff;
  font-size: 12px;
  cursor: pointer;
}

.protocol-save-button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

@media (max-width: 1280px) {
  .editor-shell {
    width: min(865px, calc(100vw - 285px));
    min-width: 680px;
  }

  .protocol-actions {
    left: 238px;
  }
}