wip(14-email-templates): CRUD szablonów e-mail z Quill.js + system zmiennych

APPLY in progress — checkpoint human-verify awaiting re-test po namespace fixes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

resources/scss/app.scss

@@ -105,8 +105,12 @@ a {
 }
 
 .sidebar__link {
+  display: flex;
+  align-items: center;
+  gap: 9px;
+  white-space: nowrap;
   border-radius: 8px;
-  padding: 10px 12px;
+  padding: 9px 10px;
   text-decoration: none;
   color: #cbd5e1;
   font-weight: 600;
@@ -2303,5 +2307,158 @@ h4.section-title {
   .modal--image-preview {
     width: min(92vw, 100%);
   }
+
+  .email-tpl-editor-wrap {
+    flex-direction: column;
+  }
+
+  .email-tpl-var-panel {
+    min-width: 200px;
+  }
+
+  .modal-box {
+    width: 95vw;
+    max-height: 90vh;
+  }
+}
+
+// Email template editor
+.email-tpl-editor-wrap {
+  display: flex;
+  flex-direction: column;
+  border: 1px solid var(--c-border);
+  border-radius: 6px;
+  overflow: hidden;
+}
+
+.email-tpl-toolbar {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 8px;
+  background: var(--c-bg-subtle, #f8f9fa);
+  border-bottom: 1px solid var(--c-border);
+}
+
+.email-tpl-var-dropdown {
+  position: relative;
+}
+
+.email-tpl-var-panel {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  z-index: 50;
+  min-width: 260px;
+  max-height: 320px;
+  overflow-y: auto;
+  background: var(--c-bg);
+  border: 1px solid var(--c-border);
+  border-radius: 6px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
+  padding: 6px;
+  margin-top: 4px;
+}
+
+.email-var-group {
+  &:not(:first-child) {
+    margin-top: 6px;
+    padding-top: 6px;
+    border-top: 1px solid var(--c-border);
+  }
+
+  &__label {
+    font-size: 11px;
+    font-weight: 600;
+    text-transform: uppercase;
+    color: var(--c-text-muted);
+    padding: 2px 4px;
+    letter-spacing: 0.03em;
+  }
+}
+
+.email-var-item {
+  display: block;
+  width: 100%;
+  text-align: left;
+  padding: 3px 6px;
+  margin: 1px 0;
+  border: none;
+  background: none;
+  font-size: 12px;
+  font-family: "Roboto Mono", monospace;
+  color: var(--c-text);
+  border-radius: 3px;
+  cursor: pointer;
+
+  &:hover {
+    background: var(--c-primary);
+    color: #fff;
+  }
+}
+
+#js-quill-editor {
+  min-height: 200px;
+
+  .ql-editor {
+    min-height: 200px;
+    font-size: 13px;
+  }
+}
+
+// Modal overlay (reusable)
+.modal-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 1000;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: rgba(0, 0, 0, 0.45);
+}
+
+.modal-box {
+  width: min(680px, 90vw);
+  max-height: 80vh;
+  background: var(--c-bg);
+  border-radius: 8px;
+  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+
+  &__header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 10px 16px;
+    border-bottom: 1px solid var(--c-border);
+  }
+
+  &__title {
+    margin: 0;
+    font-size: 15px;
+    font-weight: 600;
+  }
+
+  &__close {
+    background: none;
+    border: none;
+    font-size: 22px;
+    line-height: 1;
+    cursor: pointer;
+    color: var(--c-text-muted);
+    padding: 0 4px;
+
+    &:hover {
+      color: var(--c-text);
+    }
+  }
+
+  &__body {
+    padding: 12px 16px;
+    overflow-y: auto;
+    flex: 1;
+  }
 }