.internal-system-mail-top-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1.3fr);
  gap: 16px;
  align-items: end;
}

.internal-system-mail-top-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.internal-system-mail-top-grid input,
.internal-system-mail-top-grid select {
  min-height: 38px;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #cfd7e3;
  border-radius: 7px;
  padding: 7px 10px;
  background: #fff;
  color: #182230;
}

.internal-system-mail-placeholders {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

#internalSystemMailPlaceholders {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.internal-system-mail-placeholder {
  border: 1px solid rgba(6, 63, 108, 0.25);
  background: rgba(6, 63, 108, 0.06);
  color: #063f6c;
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.internal-system-mail-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 9px;
  border: 1px solid #cfd7e3;
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: #f7f9fc;
}

.internal-system-mail-toolbar button {
  min-height: 32px;
  padding: 5px 9px;
  border: 1px solid #c8d1de;
  border-radius: 6px;
  background: #fff;
  color: #243244;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.internal-system-mail-toolbar button:hover {
  border-color: #063f6c;
  color: #063f6c;
}

.internal-system-mail-toolbar-separator {
  width: 1px;
  height: 24px;
  background: #d7dee8;
  margin: 0 2px;
}

.internal-system-mail-image-size {
  align-items: center;
  padding: 3px 8px;
  border: 1px solid #c8d1de;
  border-radius: 6px;
  background: #fff;
}

.internal-system-mail-image-size label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #243244;
}

.internal-system-mail-image-size input[type="range"] {
  width: 150px;
}

.internal-system-mail-image-size strong {
  min-width: 42px;
  text-align: right;
  color: #063f6c;
}

.internal-system-mail-color {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 3px 8px;
  border: 1px solid #c8d1de;
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
}

.internal-system-mail-color input {
  width: 25px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
}

.internal-system-mail-editor {
  min-height: 360px;
  max-height: 60vh;
  overflow: auto;
  border: 1px solid #cfd7e3;
  border-radius: 0 0 8px 8px;
  padding: 22px;
  background: #fff;
  color: #202124;
  line-height: 1.55;
  outline: none;
}

.internal-system-mail-editor:focus {
  border-color: #063f6c;
  box-shadow: inset 0 0 0 1px #063f6c;
}

.internal-system-mail-editor img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 14px 0;
  cursor: pointer;
  box-sizing: border-box;
}

.internal-system-mail-editor img.is-selected {
  outline: 2px solid #f28c18;
  outline-offset: 3px;
}

.internal-system-mail-editor-note {
  margin-top: 10px;
}

#internalSystemMailStatus.is-error {
  color: #a61b1b;
  background: #fff1f1;
  border-color: #f0caca;
}

@media (max-width: 820px) {
  .internal-system-mail-top-grid {
    grid-template-columns: 1fr;
  }

  .internal-system-mail-editor {
    min-height: 300px;
    padding: 16px;
  }
}