Enhance UI and functionality for admin dashboard and user management

- Update `_base_context` to include `active_nav` for dynamic navigation highlighting.
- Revamp `base.html` to improve header layout and navigation links for better user experience.
- Redesign `dashboard.html` to include statistics for new and edited articles, enhancing visibility of content changes.
- Improve `users.html` layout for user management, adding detailed user roles and status indicators.
- Update CSS styles for a cohesive design across the application, introducing new color variables and layout adjustments.

app/main.py

@@ -93,10 +93,15 @@ def _bootstrap_admin() -> None:
 
 
 def _base_context(request: Request, user: User, db: Session) -> dict:
+    path = request.url.path
+    active_nav = "dashboard"
+    if path.startswith("/admin/users"):
+        active_nav = "users"
     return {
         "user": user,
         "csrf_token": request.cookies.get(CSRF_COOKIE_NAME) or ensure_csrf_cookie(request),
         "smtp": get_smtp_settings(db),
+        "active_nav": active_nav,
     }
 
 

app/services/newsletter.py

@@ -10,17 +10,24 @@ LINE = "=" * 78
 SUBLINE = "-" * 78
 
 FONT = "Arial, Helvetica, sans-serif"
+# Thomas-Krenn.AG Corporate Design (Orange + Anthrazit)
+COLOR_TK_ORANGE = "#ED6B06"
+COLOR_TK_ORANGE_DARK = "#C95605"
+COLOR_TK_ORANGE_LIGHT = "#FFF4ED"
+COLOR_TK_GRAY_DARK = "#4A4A4A"
+COLOR_TK_GRAY = "#6B6B6B"
+COLOR_TK_GRAY_LIGHT = "#F5F5F5"
 COLOR_TEXT = "#1A1A1A"
-COLOR_MUTED = "#5C6670"
+COLOR_MUTED = COLOR_TK_GRAY
-COLOR_HEADING = "#003366"
+COLOR_HEADING = COLOR_TK_GRAY_DARK
-COLOR_LINK = "#0055A4"
+COLOR_LINK = COLOR_TK_ORANGE
-COLOR_BORDER = "#D7DEE8"
+COLOR_BORDER = "#E0E0E0"
-COLOR_BG = "#EEF2F7"
+COLOR_BG = COLOR_TK_GRAY_LIGHT
 COLOR_WHITE = "#FFFFFF"
-COLOR_ACCENT_NEW = "#1F7A4D"
+COLOR_ACCENT_NEW = COLOR_TK_ORANGE
-COLOR_ACCENT_NEW_BG = "#E8F6EE"
+COLOR_ACCENT_NEW_BG = COLOR_TK_ORANGE_LIGHT
-COLOR_ACCENT_EDIT = "#0055A4"
+COLOR_ACCENT_EDIT = COLOR_TK_GRAY_DARK
-COLOR_ACCENT_EDIT_BG = "#E8F1FA"
+COLOR_ACCENT_EDIT_BG = "#EEEEEE"
 
 
 class DisplayOptions(TypedDict):
@@ -204,18 +211,18 @@ def create_html(
       <td align="center" style="padding:28px 16px;font-family:{FONT};">
         <table role="presentation" width="680" cellpadding="0" cellspacing="0" border="0" style="width:680px;max-width:680px;background:{COLOR_WHITE};border:1px solid {COLOR_BORDER};font-family:{FONT};">
           <tr>
-            <td style="height:5px;background:{COLOR_LINK};font-size:0;line-height:0;">&nbsp;</td>
+            <td style="height:5px;background:{COLOR_TK_ORANGE};font-size:0;line-height:0;">&nbsp;</td>
           </tr>
           <tr>
-            <td style="background:{COLOR_HEADING};padding:30px 36px 28px;font-family:{FONT};">
+            <td style="background:{COLOR_TK_GRAY_DARK};padding:30px 36px 28px;font-family:{FONT};">
-              <p style="margin:0;font-family:{FONT};font-size:11px;line-height:16px;letter-spacing:1.2px;text-transform:uppercase;color:#A9C6E8;">Interner Newsletter</p>
+              <p style="margin:0;font-family:{FONT};font-size:11px;line-height:16px;letter-spacing:1.2px;text-transform:uppercase;color:{COLOR_TK_ORANGE};">Interner Newsletter</p>
               <h1 style="margin:10px 0 0;font-family:{FONT};font-size:28px;line-height:34px;font-weight:bold;color:{COLOR_WHITE};">Thomas-Krenn Wiki Update</h1>
-              <p style="margin:10px 0 0;font-family:{FONT};font-size:14px;line-height:21px;color:#D9E8F8;">{escape(ORG_NAME)}</p>
+              <p style="margin:10px 0 0;font-family:{FONT};font-size:14px;line-height:21px;color:#CCCCCC;">{escape(ORG_NAME)}</p>
             </td>
           </tr>
           <tr>
             <td style="padding:28px 36px 0;font-family:{FONT};">
-              <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="background:{COLOR_BG};border-left:4px solid {COLOR_LINK};font-family:{FONT};">
+              <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="background:{COLOR_TK_ORANGE_LIGHT};border-left:4px solid {COLOR_TK_ORANGE};font-family:{FONT};">
                 <tr>
                   <td style="padding:18px 20px;font-family:{FONT};font-size:15px;line-height:24px;color:{COLOR_TEXT};">
                     <p style="margin:0 0 10px;font-family:{FONT};font-size:15px;line-height:24px;">Liebe Kolleginnen und Kollegen,</p>
@@ -237,7 +244,7 @@ def create_html(
               {summary}
               <table role="presentation" cellpadding="0" cellspacing="0" border="0" align="center" style="margin:32px auto 0;font-family:{FONT};">
                 <tr>
-                  <td align="center" style="background:{COLOR_HEADING};padding:14px 28px;font-family:{FONT};">
+                  <td align="center" style="background:{COLOR_TK_ORANGE};padding:14px 28px;font-family:{FONT};">
                     <a href="{WIKI_HOME_URL}" style="font-family:{FONT};font-size:14px;line-height:20px;font-weight:bold;color:{COLOR_WHITE};text-decoration:none;">Zum Thomas-Krenn-Wiki &rarr;</a>
                   </td>
                 </tr>
@@ -258,11 +265,67 @@ def create_html(
 
 
 OUTLOOK_FONT = "Arial, sans-serif"
-OUTLOOK_TEXT = "#000000"
+OUTLOOK_TEXT = COLOR_TEXT
-OUTLOOK_MUTED = "#666666"
+OUTLOOK_MUTED = COLOR_TK_GRAY
-OUTLOOK_LINK = "#0563C1"
+OUTLOOK_LINK = COLOR_TK_ORANGE
-OUTLOOK_HEADING = "#003366"
+OUTLOOK_HEADING = COLOR_TK_GRAY_DARK
-OUTLOOK_BORDER = "#DDDDDD"
+OUTLOOK_BORDER = COLOR_BORDER
+OUTLOOK_WHITE = COLOR_WHITE
+OUTLOOK_ORANGE = COLOR_TK_ORANGE
+OUTLOOK_GRAY_DARK = COLOR_TK_GRAY_DARK
+
+
+def _outlook_td_attrs(
+    bg: str = OUTLOOK_WHITE,
+    *,
+    colspan: int | None = None,
+    width: str | None = None,
+    valign: str | None = None,
+    extra_style: str = "",
+) -> str:
+    """Tabellen-Zelle mit Outlook-Dunkelmodus-Schutz (data-ogsb/data-ogsc)."""
+    parts = [
+        f'bgcolor="{bg}"',
+        f'style="background-color:{bg} !important;color:{OUTLOOK_TEXT} !important;{extra_style}"',
+        f'data-ogsb="{bg}"',
+    ]
+    if colspan:
+        parts.insert(0, f'colspan="{colspan}"')
+    if width:
+        parts.append(f'width="{width}"')
+    if valign:
+        parts.append(f'valign="{valign}"')
+    return " ".join(parts)
+
+
+def _outlook_font(
+    text: str,
+    *,
+    color: str = OUTLOOK_TEXT,
+    size: str = "2",
+    bold: bool = False,
+) -> str:
+    inner = escape(text)
+    if bold:
+        inner = f"<b>{inner}</b>"
+    return (
+        f'<span style="color:{color} !important;" data-ogsc="{color}">'
+        f'<font face="Arial" color="{color}" size="{size}">{inner}</font>'
+        f"</span>"
+    )
+
+
+def _outlook_link(title: str, url: str, *, bold: bool = True) -> str:
+    weight = "<b>" if bold else ""
+    weight_end = "</b>" if bold else ""
+    return (
+        f'<a href="{escape(url)}" '
+        f'style="color:{OUTLOOK_LINK} !important;text-decoration:none !important;mso-style-priority:100 !important;">'
+        f'<span style="color:{OUTLOOK_LINK} !important;" data-ogsc="{OUTLOOK_LINK}">'
+        f'<font face="Arial" color="{OUTLOOK_LINK}" size="2">'
+        f"{weight}{escape(title)}{weight_end}"
+        f"</font></span></a>"
+    )
 
 
 def create_outlook_html(
@@ -271,44 +334,48 @@ def create_outlook_html(
     display: DisplayOptions | None = None,
     category: str = "",
 ) -> str:
-    """Vereinfachtes HTML für Outlook/Word – nur Tabellen und Inline-Styles."""
+    """Word/Outlook-kompatibles HTML mit font-Tags und bgcolor (überlebt Einfügen in Outlook)."""
     display = display or DEFAULT_DISPLAY
     new_articles, edited_articles = split_articles_by_type(articles)
     period_start, period_end = _period_range(days)
     created_at = datetime.now().strftime("%d.%m.%Y %H:%M")
-    intro = escape(_intro_sentence(period_start, period_end))
+    intro = _intro_sentence(period_start, period_end)
     subject = escape(create_subject(days, category))
 
     if not new_articles and not edited_articles:
         body_rows = f"""<tr>
-  <td style="padding:12px 0;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_MUTED};">
+  <td {_outlook_td_attrs(colspan=2, extra_style="padding:12px 0;")}>
-    Im gewählten Zeitraum wurden keine passenden Wiki-Änderungen gefunden.
+    {_outlook_font("Im gewählten Zeitraum wurden keine passenden Wiki-Änderungen gefunden.", color=OUTLOOK_MUTED)}
   </td>
 </tr>"""
     else:
         body_rows = "\n".join(
             [
-                _outlook_section("Neue Artikel", new_articles, display, "Keine neuen Artikel im Zeitraum."),
+                _outlook_section("Neue Artikel", new_articles, display, "Keine neuen Artikel im Zeitraum.", kind="new"),
                 _outlook_section(
                     "Bearbeitete Artikel",
                     edited_articles,
                     display,
                     "Keine bearbeiteten Artikel im Zeitraum.",
+                    kind="edited",
                 ),
             ]
         )
 
     category_block = ""
     if category.strip():
-        category_block = f"""<p style="margin:0 0 8px;font-family:{OUTLOOK_FONT};font-size:10pt;color:{OUTLOOK_MUTED};">
+        category_block = (
-    <strong style="font-family:{OUTLOOK_FONT};color:{OUTLOOK_HEADING};">Filter:</strong> Kategorie {escape(category.strip())}
+            f'<p style="margin:0 0 10px;">'
-  </p>"""
+            f'{_outlook_font("Filter: ", color=OUTLOOK_HEADING, bold=True)}'
+            f'{_outlook_font(f"Kategorie {category.strip()}", color=OUTLOOK_MUTED, size="1")}'
+            f"</p>"
+        )
 
     total = len(new_articles) + len(edited_articles)
     summary_row = f"""<tr>
-  <td style="padding:16px 0 0;font-family:{OUTLOOK_FONT};font-size:10pt;color:{OUTLOOK_MUTED};border-top:1px solid {OUTLOOK_BORDER};">
+  <td {_outlook_td_attrs(colspan=2, extra_style=f"padding:16px 0 0;border-top:1px solid {OUTLOOK_BORDER};")}>
-    <strong style="font-family:{OUTLOOK_FONT};color:{OUTLOOK_HEADING};">Zusammenfassung:</strong>
+    {_outlook_font("Zusammenfassung: ", color=OUTLOOK_HEADING, bold=True, size="1")}
-    {len(new_articles)} neu &middot; {len(edited_articles)} bearbeitet &middot; {total} gesamt
+    {_outlook_font(f"{len(new_articles)} neu · {len(edited_articles)} bearbeitet · {total} gesamt", color=OUTLOOK_MUTED, size="1")}
   </td>
 </tr>"""
 
@@ -318,48 +385,56 @@ def create_outlook_html(
   <meta charset="utf-8">
   <meta name="ProgId" content="Word.Document">
   <meta name="Generator" content="Microsoft Word 15">
+  <meta name="color-scheme" content="light dark">
+  <meta name="supported-color-schemes" content="light dark">
   <title>{subject}</title>
-  <!--[if gte mso 9]>
-  <xml>
-    <w:WordDocument>
-      <w:View>Print</w:View>
-      <w:Zoom>100</w:Zoom>
-      <w:DoNotOptimizeForBrowser/>
-    </w:WordDocument>
-  </xml>
-  <![endif]-->
   <!--[if mso]>
   <style type="text/css">
-    body, table, td, p, a, span, strong {{ font-family: Arial, sans-serif !important; }}
+    body, table, td, p, font, span, strong {{ font-family: Arial, sans-serif !important; }}
+    a, span.MsoHyperlink, span.MsoHyperlinkFollowed {{
+      color: {OUTLOOK_LINK} !important;
+      text-decoration: none !important;
+    }}
   </style>
   <![endif]-->
+  <style type="text/css">
+    :root {{ color-scheme: light dark; supported-color-schemes: light dark; }}
+    body {{ background-color: {OUTLOOK_WHITE} !important; color: {OUTLOOK_TEXT} !important; }}
+    a, a:link, a:visited, a:hover, a:active {{
+      color: {OUTLOOK_LINK} !important;
+      text-decoration: none !important;
+    }}
+  </style>
 </head>
-<body style="margin:0;padding:16px;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};background:#FFFFFF;">
+<body bgcolor="{OUTLOOK_WHITE}" style="margin:0;padding:16px;background-color:{OUTLOOK_WHITE} !important;color:{OUTLOOK_TEXT} !important;" data-ogsb="{OUTLOOK_WHITE}">
-  <table width="600" cellpadding="0" cellspacing="0" border="0" align="center" style="width:600px;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};background:#FFFFFF;">
+  <table width="600" cellpadding="0" cellspacing="0" border="0" align="center" bgcolor="{OUTLOOK_WHITE}" style="width:600px;background-color:{OUTLOOK_WHITE} !important;" data-ogsb="{OUTLOOK_WHITE}">
     <tr>
-      <td style="padding:16px 20px;background:{OUTLOOK_HEADING};font-family:{OUTLOOK_FONT};">
+      <td {_outlook_td_attrs(bg=OUTLOOK_ORANGE, extra_style="height:5px;font-size:0;line-height:0;")}>&nbsp;</td>
-        <p style="margin:0;font-family:{OUTLOOK_FONT};font-size:9pt;color:#A9C6E8;text-transform:uppercase;letter-spacing:1px;">Interner Newsletter</p>
+    </tr>
-        <p style="margin:6px 0 0;font-family:{OUTLOOK_FONT};font-size:18pt;font-weight:bold;color:#FFFFFF;">Thomas-Krenn Wiki Update</p>
+    <tr>
-        <p style="margin:4px 0 0;font-family:{OUTLOOK_FONT};font-size:11pt;color:#D9E8F8;">{escape(ORG_NAME)}</p>
+      <td {_outlook_td_attrs(bg=OUTLOOK_GRAY_DARK, extra_style="padding:16px 20px;")}>
+        {_outlook_font("Interner Newsletter", color=OUTLOOK_ORANGE, size="1")}<br>
+        {_outlook_font("Thomas-Krenn Wiki Update", color=OUTLOOK_WHITE, size="5", bold=True)}<br>
+        {_outlook_font(ORG_NAME, color="#CCCCCC", size="2")}
       </td>
     </tr>
     <tr>
-      <td style="padding:20px;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">
+      <td {_outlook_td_attrs(extra_style="padding:20px;")}>
-        <p style="margin:0 0 8px;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">Liebe Kolleginnen und Kollegen,</p>
+        <p style="margin:0 0 8px;">{_outlook_font("Liebe Kolleginnen und Kollegen,")}</p>
-        <p style="margin:0 0 12px;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">{intro}</p>
+        <p style="margin:0 0 12px;">{_outlook_font(intro)}</p>
-        <p style="margin:0 0 16px;font-family:{OUTLOOK_FONT};font-size:9pt;color:{OUTLOOK_MUTED};">Erstellt am: {created_at}</p>
+        <p style="margin:0 0 16px;">{_outlook_font(f"Erstellt am: {created_at}", color=OUTLOOK_MUTED, size="1")}</p>
         {category_block}
-        <table width="100%" cellpadding="0" cellspacing="0" border="0" style="font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">
+        <table width="100%" cellpadding="0" cellspacing="0" border="0" bgcolor="{OUTLOOK_WHITE}" style="background-color:{OUTLOOK_WHITE} !important;" data-ogsb="{OUTLOOK_WHITE}">
           {body_rows}
           {summary_row}
           <tr>
-            <td style="padding:20px 0 0;font-family:{OUTLOOK_FONT};font-size:11pt;">
+            <td {_outlook_td_attrs(colspan=2, extra_style="padding:20px 0 0;")}>
-              <a href="{WIKI_HOME_URL}" style="font-family:{OUTLOOK_FONT};font-size:11pt;font-weight:bold;color:{OUTLOOK_LINK};">Zum Thomas-Krenn-Wiki &rarr;</a>
+              {_outlook_link("Zum Thomas-Krenn-Wiki →", WIKI_HOME_URL)}
             </td>
           </tr>
           <tr>
-            <td style="padding:16px 0 0;font-family:{OUTLOOK_FONT};font-size:9pt;color:{OUTLOOK_MUTED};border-top:1px solid {OUTLOOK_BORDER};">
+            <td {_outlook_td_attrs(colspan=2, extra_style=f"padding:16px 0 0;border-top:1px solid {OUTLOOK_BORDER};")}>
-              Automatisch erstellter interner Newsletter &middot; Nur für den Gebrauch bei {escape(ORG_NAME)}
+              {_outlook_font(f"Automatisch erstellter interner Newsletter · Nur für den Gebrauch bei {ORG_NAME}", color=OUTLOOK_MUTED, size="1")}
             </td>
           </tr>
         </table>
@@ -385,20 +460,19 @@ def _outlook_meta_line(item: dict[str, Any], display: DisplayOptions) -> str:
 def _outlook_article_rows(items: list[dict[str, Any]], display: DisplayOptions) -> str:
     rows: list[str] = []
     for idx, item in enumerate(items, 1):
-        title = escape(item.get("title", "Ohne Titel"))
+        title = item.get("title", "Ohne Titel")
-        url = escape(_article_url(item.get("title", "")))
+        url = _article_url(item.get("title", ""))
         meta = _outlook_meta_line(item, display)
         meta_html = ""
         if meta:
-            meta_html = (
+            meta_html = f"<br>{_outlook_font(meta, color=OUTLOOK_MUTED, size='1')}"
-                f'<br><span style="font-family:{OUTLOOK_FONT};font-size:9pt;color:{OUTLOOK_MUTED};">'
-                f"{escape(meta)}</span>"
-            )
         rows.append(
             f"""<tr>
-  <td width="28" valign="top" style="padding:6px 8px 10px 0;border-bottom:1px solid {OUTLOOK_BORDER};font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">{idx}.</td>
+  <td {_outlook_td_attrs(width="28", valign="top", extra_style=f"padding:8px 8px 10px 0;border-bottom:1px solid {OUTLOOK_BORDER};")}>
-  <td valign="top" style="padding:6px 0 10px;border-bottom:1px solid {OUTLOOK_BORDER};font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_TEXT};">
+    {_outlook_font(f"{idx}.")}
-    <a href="{url}" style="font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_LINK};">{title}</a>{meta_html}
+  </td>
+  <td {_outlook_td_attrs(valign="top", extra_style=f"padding:8px 0 10px;border-bottom:1px solid {OUTLOOK_BORDER};")}>
+    {_outlook_link(title, url)}{meta_html}
   </td>
 </tr>"""
         )
@@ -410,15 +484,19 @@ def _outlook_section(
     items: list[dict[str, Any]],
     display: DisplayOptions,
     empty_text: str,
+    kind: str = "edited",
 ) -> str:
+    accent = OUTLOOK_ORANGE if kind == "new" else OUTLOOK_GRAY_DARK
     header = f"""<tr>
-  <td colspan="2" style="padding:18px 0 6px;font-family:{OUTLOOK_FONT};font-size:13pt;font-weight:bold;color:{OUTLOOK_HEADING};border-bottom:2px solid {OUTLOOK_HEADING};">
+  <td {_outlook_td_attrs(colspan=2, extra_style=f"padding:18px 0 8px;border-bottom:2px solid {accent};")}>
-    {escape(heading)} ({len(items)})
+    {_outlook_font(f"{heading} ({len(items)})", color=accent, size="3", bold=True)}
   </td>
 </tr>"""
     if not items:
         return header + f"""<tr>
-  <td colspan="2" style="padding:8px 0;font-family:{OUTLOOK_FONT};font-size:11pt;color:{OUTLOOK_MUTED};font-style:italic;">{escape(empty_text)}</td>
+  <td {_outlook_td_attrs(colspan=2, extra_style="padding:8px 0;")}>
+    {_outlook_font(empty_text, color=OUTLOOK_MUTED)}
+  </td>
 </tr>"""
     return header + _outlook_article_rows(items, display)
 
@@ -573,7 +651,7 @@ def _html_item_row(idx: int, item: dict[str, Any], display: DisplayOptions, acce
             <tr>
               <td style="width:26px;vertical-align:top;font-family:{FONT};font-size:13px;line-height:20px;font-weight:bold;color:{accent};">{idx}.</td>
               <td style="vertical-align:top;font-family:{FONT};">
-                <a href="{url}" style="font-family:{FONT};font-size:15px;line-height:22px;font-weight:bold;color:{COLOR_LINK};text-decoration:underline;">{title}</a>
+                <a href="{url}" style="font-family:{FONT};font-size:15px;line-height:22px;font-weight:bold;color:{COLOR_LINK};text-decoration:none;">{title}</a>
                 {meta_html}
               </td>
             </tr>

app/static/css/main.css

@@ -1,26 +1,659 @@
+:root {
+    --tk-orange: #ED6B06;
+    --tk-orange-dark: #C95605;
+    --tk-orange-light: #FFF4ED;
+    --tk-gray-dark: #4A4A4A;
+    --tk-gray: #6B6B6B;
+    --tk-gray-light: #F5F5F5;
+    --tk-border: #E0E0E0;
+    --tk-text: #1A1A1A;
+    --tk-white: #FFFFFF;
+    --tk-success: #027A48;
+    --tk-success-bg: #ECFDF3;
+    --tk-error: #B42318;
+    --tk-error-bg: #FEF3F2;
+    --tk-warning: #B54708;
+    --tk-warning-bg: #FFFAEB;
+    --shadow-sm: 0 1px 3px rgba(74, 74, 74, 0.08);
+    --shadow-md: 0 4px 16px rgba(74, 74, 74, 0.1);
+    --radius: 8px;
+    --radius-lg: 12px;
+}
+
 * { box-sizing: border-box; }
-body { margin: 0; font-family: Arial, sans-serif; background: #f5f7fb; color: #1f2430; }
+
-.topbar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; background: #0c2c5a; color: #fff; }
+body {
-.container { max-width: 1100px; margin: 1rem auto; padding: 0 1rem; }
+    margin: 0;
-.card { background: #fff; border: 1px solid #dde3ef; border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
+    font-family: Arial, Helvetica, sans-serif;
-.narrow { max-width: 420px; margin: 2rem auto; }
+    background: var(--tk-gray-light);
-.form-grid { display: grid; gap: 0.75rem; }
+    color: var(--tk-text);
-label { display: grid; gap: 0.3rem; font-weight: 600; }
+    line-height: 1.5;
-input, button, textarea { font: inherit; padding: 0.55rem; }
+    min-height: 100vh;
+}
+
+a { color: var(--tk-orange); text-decoration: none; }
+a:hover { color: var(--tk-orange-dark); text-decoration: underline; }
+
+/* ── Header ── */
+.topbar {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 1rem;
+    padding: 0.85rem 1.5rem;
+    background: var(--tk-gray-dark);
+    color: var(--tk-white);
+    border-bottom: 4px solid var(--tk-orange);
+}
+
+.topbar-brand {
+    display: flex;
+    align-items: center;
+    gap: 0.75rem;
+    min-width: 0;
+}
+
+.topbar-logo {
+    width: 36px;
+    height: 36px;
+    background: var(--tk-orange);
+    border-radius: 6px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-weight: bold;
+    font-size: 1.1rem;
+    flex-shrink: 0;
+}
+
+.topbar h1 {
+    margin: 0;
+    font-size: 1.05rem;
+    font-weight: 700;
+    line-height: 1.2;
+}
+
+.topbar-sub {
+    margin: 0;
+    font-size: 0.78rem;
+    color: #BBBBBB;
+    font-weight: normal;
+}
+
+.topbar-actions {
+    display: flex;
+    align-items: center;
+    gap: 0.75rem;
+    flex-wrap: wrap;
+}
+
+.topbar-nav {
+    display: flex;
+    gap: 0.25rem;
+}
+
+.topbar-nav a {
+    color: #DDDDDD;
+    padding: 0.35rem 0.65rem;
+    border-radius: 4px;
+    font-size: 0.88rem;
+    text-decoration: none;
+}
+
+.topbar-nav a:hover,
+.topbar-nav a.active {
+    background: rgba(255, 255, 255, 0.1);
+    color: var(--tk-white);
+    text-decoration: none;
+}
+
+.user-chip {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    font-size: 0.85rem;
+    color: #CCCCCC;
+}
+
+.topbar .btn-logout {
+    background: transparent;
+    border: 1px solid rgba(255, 255, 255, 0.35);
+    color: var(--tk-white);
+    padding: 0.35rem 0.75rem;
+    font-size: 0.85rem;
+}
+
+.topbar .btn-logout:hover {
+    background: rgba(255, 255, 255, 0.1);
+    border-color: rgba(255, 255, 255, 0.5);
+}
+
+/* ── Layout ── */
+.container {
+    max-width: 1140px;
+    margin: 0 auto;
+    padding: 1.5rem 1rem 2.5rem;
+}
+
+.page-header {
+    margin-bottom: 1.5rem;
+}
+
+.page-header h2 {
+    margin: 0 0 0.35rem;
+    font-size: 1.65rem;
+    color: var(--tk-gray-dark);
+}
+
+.page-lead {
+    margin: 0;
+    color: var(--tk-gray);
+    font-size: 0.95rem;
+}
+
+.stats-row {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
+    gap: 1rem;
+    margin-bottom: 1.5rem;
+}
+
+.stat-card {
+    background: var(--tk-white);
+    border: 1px solid var(--tk-border);
+    border-radius: var(--radius);
+    padding: 1rem 1.15rem;
+    box-shadow: var(--shadow-sm);
+}
+
+.stat-card.accent-new { border-left: 4px solid var(--tk-orange); }
+.stat-card.accent-edit { border-left: 4px solid var(--tk-gray-dark); }
+.stat-card.accent-total { border-left: 4px solid var(--tk-gray); }
+
+.stat-value {
+    font-size: 2rem;
+    font-weight: 700;
+    line-height: 1.1;
+    color: var(--tk-gray-dark);
+}
+
+.stat-card.accent-new .stat-value { color: var(--tk-orange); }
+
+.stat-label {
+    margin-top: 0.25rem;
+    font-size: 0.85rem;
+    color: var(--tk-gray);
+}
+
+.layout-2col {
+    display: grid;
+    grid-template-columns: 1fr 280px;
+    gap: 1rem;
+    align-items: start;
+}
+
+@media (max-width: 900px) {
+    .layout-2col { grid-template-columns: 1fr; }
+    .topbar { flex-wrap: wrap; }
+}
+
+/* ── Cards ── */
+.card {
+    background: var(--tk-white);
+    border: 1px solid var(--tk-border);
+    border-radius: var(--radius-lg);
+    padding: 1.25rem 1.35rem;
+    margin-bottom: 1rem;
+    box-shadow: var(--shadow-sm);
+}
+
+.card-header {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 1rem;
+    margin-bottom: 1rem;
+    padding-bottom: 0.85rem;
+    border-bottom: 1px solid var(--tk-border);
+}
+
+.card-header h2,
+.card-header h3,
+.card > h2,
+.card > h3 {
+    margin: 0;
+    color: var(--tk-gray-dark);
+    font-size: 1.1rem;
+}
+
+.card > h2 { font-size: 1.2rem; margin-bottom: 1rem; }
+
+.card-desc {
+    margin: 0.35rem 0 0;
+    font-size: 0.88rem;
+    color: var(--tk-gray);
+    font-weight: normal;
+}
+
+.card-accent-orange { border-top: 3px solid var(--tk-orange); }
+.card-accent-gray { border-top: 3px solid var(--tk-gray-dark); }
+
+.sidebar-card {
+    background: var(--tk-orange-light);
+    border: 1px solid #F5D5BC;
+    border-radius: var(--radius);
+    padding: 1rem;
+    margin-bottom: 0.75rem;
+    font-size: 0.88rem;
+}
+
+.sidebar-card h4 {
+    margin: 0 0 0.5rem;
+    font-size: 0.9rem;
+    color: var(--tk-gray-dark);
+}
+
+.sidebar-card ul {
+    margin: 0;
+    padding-left: 1.1rem;
+    color: var(--tk-gray);
+}
+
+.sidebar-card li { margin-bottom: 0.3rem; }
+
+.narrow { max-width: 420px; margin: 3rem auto; }
+
+/* ── Forms ── */
+.form-grid { display: grid; gap: 0.85rem; }
+
+.form-row {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 0.85rem;
+}
+
+@media (max-width: 600px) {
+    .form-row { grid-template-columns: 1fr; }
+}
+
+label {
+    display: grid;
+    gap: 0.35rem;
+    font-weight: 600;
+    font-size: 0.88rem;
+    color: var(--tk-gray-dark);
+}
+
+input, select, textarea, button {
+    font: inherit;
+}
+
+input, select, textarea {
+    padding: 0.6rem 0.75rem;
+    border: 1px solid var(--tk-border);
+    border-radius: 6px;
+    background: var(--tk-white);
+    color: var(--tk-text);
+    transition: border-color 0.15s, box-shadow 0.15s;
+}
+
+input:focus, select:focus, textarea:focus {
+    outline: none;
+    border-color: var(--tk-orange);
+    box-shadow: 0 0 0 3px rgba(237, 107, 6, 0.15);
+}
+
 textarea { width: 100%; resize: vertical; }
-button { width: fit-content; background: #1b5dbf; color: #fff; border: 0; border-radius: 4px; cursor: pointer; }
+
-.btn-secondary { background: #334155; }
+.checkbox {
-.copy-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; }
+    display: flex;
-.copy-status { font-size: 0.92rem; color: #64748b; }
+    align-items: center;
-.copy-status.success { color: #027a48; }
+    gap: 0.5rem;
-.copy-status.error { color: #b42318; }
+    font-weight: 500;
-.newsletter-preview-frame { width: 100%; min-height: 720px; border: 1px solid #D7DEE8; border-radius: 6px; background: #EEF2F7; box-shadow: 0 2px 8px rgba(0, 51, 102, 0.08); }
+    cursor: pointer;
-.card h3 { color: #003366; margin-top: 0; }
+}
+
+.checkbox input[type="checkbox"] {
+    width: 1rem;
+    height: 1rem;
+    accent-color: var(--tk-orange);
+    cursor: pointer;
+}
+
+.display-options {
+    border: 1px solid var(--tk-border);
+    border-radius: var(--radius);
+    padding: 0.85rem 1rem;
+    display: grid;
+    gap: 0.5rem;
+    background: var(--tk-gray-light);
+}
+
+.display-options legend {
+    font-weight: 600;
+    padding: 0 0.35rem;
+    color: var(--tk-gray-dark);
+    font-size: 0.88rem;
+}
+
+/* ── Buttons ── */
+button {
+    width: fit-content;
+    background: var(--tk-orange);
+    color: var(--tk-white);
+    border: 0;
+    border-radius: 6px;
+    cursor: pointer;
+    padding: 0.6rem 1.1rem;
+    font-weight: 600;
+    font-size: 0.9rem;
+    transition: background 0.15s, transform 0.1s;
+}
+
+button:hover { background: var(--tk-orange-dark); }
+button:active { transform: scale(0.98); }
+
+.btn-primary {
+    background: var(--tk-orange);
+    padding: 0.7rem 1.4rem;
+    font-size: 0.95rem;
+}
+
+.btn-block { width: 100%; }
+
+.btn-secondary {
+    background: var(--tk-gray-dark);
+}
+
+.btn-secondary:hover { background: #3A3A3A; }
+
+.btn-outline {
+    background: transparent;
+    border: 1px solid var(--tk-border);
+    color: var(--tk-gray-dark);
+}
+
+.btn-outline:hover {
+    background: var(--tk-gray-light);
+    border-color: var(--tk-gray);
+}
+
+.btn-group {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.5rem;
+    align-items: center;
+}
+
+/* ── Badges ── */
+.badge {
+    display: inline-block;
+    padding: 0.2rem 0.55rem;
+    border-radius: 999px;
+    font-size: 0.75rem;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 0.03em;
+}
+
+.badge-admin { background: var(--tk-orange-light); color: var(--tk-orange-dark); }
+.badge-editor { background: #EEEEEE; color: var(--tk-gray-dark); }
+.badge-reader { background: var(--tk-gray-light); color: var(--tk-gray); }
+
+.badge-sent { background: var(--tk-success-bg); color: var(--tk-success); }
+.badge-failed { background: var(--tk-error-bg); color: var(--tk-error); }
+.badge-skipped { background: var(--tk-warning-bg); color: var(--tk-warning); }
+
+.count-badge {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    min-width: 1.6rem;
+    padding: 0.15rem 0.5rem;
+    background: var(--tk-gray-light);
+    border: 1px solid var(--tk-border);
+    border-radius: 999px;
+    font-size: 0.82rem;
+    font-weight: 600;
+    color: var(--tk-gray-dark);
+}
+
+.count-badge.orange {
+    background: var(--tk-orange-light);
+    border-color: #F5D5BC;
+    color: var(--tk-orange-dark);
+}
+
+/* ── Tables ── */
+.table-wrap { overflow-x: auto; }
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.9rem;
+}
+
+th {
+    background: var(--tk-gray-light);
+    color: var(--tk-gray-dark);
+    font-weight: 600;
+    font-size: 0.82rem;
+    text-transform: uppercase;
+    letter-spacing: 0.04em;
+    padding: 0.65rem 0.75rem;
+    text-align: left;
+    border-bottom: 2px solid var(--tk-border);
+}
+
+td {
+    padding: 0.65rem 0.75rem;
+    border-bottom: 1px solid var(--tk-border);
+    vertical-align: top;
+}
+
+tbody tr:hover { background: #FAFAFA; }
+
+.empty-row td {
+    color: var(--tk-gray);
+    font-style: italic;
+    text-align: center;
+    padding: 1.5rem;
+}
+
+/* ── Preview & Copy ── */
+.copy-actions {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    gap: 0.5rem;
+    margin-bottom: 1rem;
+    padding: 0.85rem;
+    background: var(--tk-gray-light);
+    border-radius: var(--radius);
+    border: 1px solid var(--tk-border);
+}
+
+.copy-status {
+    font-size: 0.88rem;
+    color: var(--tk-gray);
+    flex: 1 1 100%;
+    margin-top: 0.25rem;
+}
+
+@media (min-width: 700px) {
+    .copy-status { flex: 1 1 auto; margin-top: 0; margin-left: 0.5rem; }
+}
+
+.copy-status.success { color: var(--tk-success); }
+.copy-status.error { color: var(--tk-error); }
+
+.newsletter-preview-frame {
+    width: 100%;
+    min-height: 640px;
+    border: 1px solid var(--tk-border);
+    border-radius: var(--radius);
+    background: var(--tk-gray-light);
+    box-shadow: var(--shadow-md);
+}
+
+.textarea-actions {
+    display: flex;
+    gap: 0.5rem;
+    flex-wrap: wrap;
+    margin-bottom: 0.75rem;
+}
+
+.readonly-output {
+    font-family: Consolas, "Courier New", monospace;
+    font-size: 0.82rem;
+    line-height: 1.45;
+    background: var(--tk-gray-light);
+}
+
 .hidden-source { display: none; }
-table { width: 100%; border-collapse: collapse; }
+
-th, td { border-bottom: 1px solid #e6ebf4; text-align: left; padding: 0.55rem; vertical-align: top; }
+/* ── Collapsible ── */
-.checkbox { display: flex; align-items: center; gap: 0.45rem; font-weight: 500; }
+details.card-details {
-.display-options { border: 1px solid #dde3ef; border-radius: 6px; padding: 0.75rem; display: grid; gap: 0.45rem; }
+    background: var(--tk-white);
-.display-options legend { font-weight: 600; padding: 0 0.25rem; }
+    border: 1px solid var(--tk-border);
-.error { color: #b42318; background: #fef3f2; border: 1px solid #fecdca; padding: 0.6rem; border-radius: 4px; margin: 0 0 0.75rem; }
+    border-radius: var(--radius-lg);
-.hint { color: #64748b; font-size: 0.92rem; margin: 0 0 0.6rem; }
+    margin-bottom: 1rem;
+    box-shadow: var(--shadow-sm);
+}
+
+details.card-details > summary {
+    padding: 1rem 1.35rem;
+    cursor: pointer;
+    font-weight: 600;
+    color: var(--tk-gray-dark);
+    list-style: none;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    user-select: none;
+}
+
+details.card-details > summary::-webkit-details-marker { display: none; }
+
+details.card-details > summary::after {
+    content: "▸";
+    color: var(--tk-gray);
+    transition: transform 0.2s;
+}
+
+details.card-details[open] > summary::after {
+    transform: rotate(90deg);
+}
+
+details.card-details > summary:hover { background: var(--tk-gray-light); }
+
+details.card-details .details-body {
+    padding: 0 1.35rem 1.25rem;
+    border-top: 1px solid var(--tk-border);
+}
+
+/* ── Alerts ── */
+.error, .alert-error {
+    color: var(--tk-error);
+    background: var(--tk-error-bg);
+    border: 1px solid #FECDCA;
+    padding: 0.75rem 1rem;
+    border-radius: var(--radius);
+    margin: 0 0 0.85rem;
+    font-size: 0.9rem;
+}
+
+.hint {
+    color: var(--tk-gray);
+    font-size: 0.88rem;
+    margin: 0 0 0.75rem;
+    line-height: 1.5;
+}
+
+/* ── Login ── */
+body.login-page {
+    display: flex;
+    flex-direction: column;
+    min-height: 100vh;
+}
+
+body.login-page .topbar { flex-shrink: 0; }
+
+body.login-page .container {
+    flex: 1;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 2rem 1rem;
+}
+
+.login-card {
+    width: 100%;
+    max-width: 400px;
+    border-top: 4px solid var(--tk-orange);
+}
+
+.login-card h2 {
+    margin: 0 0 0.35rem;
+    color: var(--tk-gray-dark);
+}
+
+.login-subtitle {
+    margin: 0 0 1.25rem;
+    color: var(--tk-gray);
+    font-size: 0.9rem;
+}
+
+/* ── Copy dialog ── */
+.copy-dialog-overlay {
+    position: fixed;
+    inset: 0;
+    z-index: 1000;
+    background: rgba(26, 26, 26, 0.55);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 1rem;
+}
+
+.copy-dialog {
+    width: min(900px, 100%);
+    max-height: 90vh;
+    background: var(--tk-white);
+    border-radius: var(--radius-lg);
+    padding: 1.25rem 1.5rem;
+    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
+    border-top: 4px solid var(--tk-orange);
+    display: grid;
+    gap: 0.85rem;
+}
+
+.copy-dialog h4 { margin: 0; color: var(--tk-gray-dark); }
+.copy-dialog-hint { margin: 0; color: var(--tk-gray); }
+.copy-dialog-textarea {
+    width: 100%;
+    min-height: 320px;
+    font-family: Consolas, "Courier New", monospace;
+    font-size: 0.85rem;
+    line-height: 1.4;
+    border: 1px solid var(--tk-border);
+    border-radius: 6px;
+    padding: 0.75rem;
+    resize: vertical;
+}
+
+.copy-dialog-actions {
+    display: flex;
+    gap: 0.5rem;
+    flex-wrap: wrap;
+}
+
+/* ── Footer ── */
+.site-footer {
+    text-align: center;
+    padding: 1rem;
+    font-size: 0.8rem;
+    color: var(--tk-gray);
+    border-top: 1px solid var(--tk-border);
+    background: var(--tk-white);
+}

app/static/js/newsletter.js

@@ -8,8 +8,7 @@ function setCopyStatus(message, isError) {
 function getNewsletterHtml() {
     const htmlSource = document.getElementById("newsletter-html-source");
     const htmlDisplay = document.getElementById("newsletter-html-display");
-    const value = htmlSource?.value.trim() || htmlDisplay?.value.trim() || "";
+    return htmlSource?.value.trim() || htmlDisplay?.value.trim() || "";
-    return value;
 }
 
 function getNewsletterOutlookHtml() {
@@ -24,6 +23,10 @@ function getNewsletterPlain() {
     return plainSource ? plainSource.value : "";
 }
 
+function byteLength(text) {
+    return new TextEncoder().encode(text).length;
+}
+
 function wrapCfHtml(html) {
     const fragmentStart = "<!--StartFragment-->";
     const fragmentEnd = "<!--EndFragment-->";
@@ -32,15 +35,20 @@ function wrapCfHtml(html) {
     const documentHtml = `<html><body>${fragmentStart}${inner}${fragmentEnd}</body></html>`;
 
     const pad = (value) => String(value).padStart(10, "0");
-    const headerPlaceholder = "StartHTML:0000000000\r\nEndHTML:0000000000\r\nStartFragment:0000000000\r\nEndFragment:0000000000\r\n";
+    const headerTemplate =
-    const prefix = `Version:0.9\r\n${headerPlaceholder}`;
+        "Version:0.9\r\n" +
-    const startHtml = prefix.length;
+        "StartHTML:0000000000\r\n" +
-    const endHtml = startHtml + documentHtml.length;
+        "EndHTML:0000000000\r\n" +
-    const startFragment = startHtml + documentHtml.indexOf(fragmentStart) + fragmentStart.length;
+        "StartFragment:0000000000\r\n" +
-    const endFragment = startHtml + documentHtml.indexOf(fragmentEnd);
+        "EndFragment:0000000000\r\n";
+
+    const startHtml = byteLength(headerTemplate);
+    const endHtml = startHtml + byteLength(documentHtml);
+    const startFragment = startHtml + byteLength(documentHtml.slice(0, documentHtml.indexOf(fragmentStart) + fragmentStart.length));
+    const endFragment = startHtml + byteLength(documentHtml.slice(0, documentHtml.indexOf(fragmentEnd)));
 
     return (
-        `Version:0.9\r\n` +
+        "Version:0.9\r\n" +
         `StartHTML:${pad(startHtml)}\r\n` +
         `EndHTML:${pad(endHtml)}\r\n` +
         `StartFragment:${pad(startFragment)}\r\n` +
@@ -49,26 +57,33 @@ function wrapCfHtml(html) {
     );
 }
 
-function copyFromTextarea(textarea) {
+function selectTextarea(textarea) {
     if (!textarea || !textarea.value) return false;
-
+    textarea.scrollIntoView({ behavior: "smooth", block: "center" });
-    const previousActive = document.activeElement;
-    textarea.removeAttribute("readonly");
     textarea.focus({ preventScroll: true });
     textarea.select();
     textarea.setSelectionRange(0, textarea.value.length);
+    return true;
+}
+
+function copyFromTextarea(textarea) {
+    if (!textarea || !textarea.value) return false;
+
+    const wasReadonly = textarea.hasAttribute("readonly");
+    if (wasReadonly) textarea.removeAttribute("readonly");
+
+    selectTextarea(textarea);
 
     let ok = false;
     try {
         ok = document.execCommand("copy");
     } catch (err) {
         console.warn("execCommand copy from textarea failed.", err);
-        ok = false;
+    }
-    } finally {
+
-        textarea.setAttribute("readonly", "");
+    if (wasReadonly) textarea.setAttribute("readonly", "");
-        if (previousActive && typeof previousActive.focus === "function") {
+    if (!ok) {
-            previousActive.focus({ preventScroll: true });
+        selectTextarea(textarea);
-        }
     }
     return ok;
 }
@@ -92,47 +107,118 @@ function copyTextWithFallback(text) {
     const textarea = document.createElement("textarea");
     textarea.value = text;
     textarea.setAttribute("aria-hidden", "true");
-    textarea.style.position = "fixed";
+    textarea.style.cssText = "position:fixed;top:0;left:0;width:2px;height:2px;opacity:0;border:none;padding:0;";
-    textarea.style.top = "0";
-    textarea.style.left = "0";
-    textarea.style.width = "2px";
-    textarea.style.height = "2px";
-    textarea.style.padding = "0";
-    textarea.style.border = "none";
-    textarea.style.outline = "none";
-    textarea.style.boxShadow = "none";
-    textarea.style.background = "transparent";
     document.body.appendChild(textarea);
 
     let ok = false;
     try {
-        textarea.focus({ preventScroll: true });
+        selectTextarea(textarea);
-        textarea.select();
-        textarea.setSelectionRange(0, text.length);
         ok = document.execCommand("copy");
     } catch (err) {
         console.warn("execCommand copy from temporary textarea failed.", err);
-        ok = false;
     } finally {
         document.body.removeChild(textarea);
     }
     return ok;
 }
 
+let copyDialogKeyHandler = null;
+
+function closeCopyDialog() {
+    const overlay = document.getElementById("copy-dialog-overlay");
+    if (overlay) overlay.remove();
+    if (copyDialogKeyHandler) {
+        document.removeEventListener("keydown", copyDialogKeyHandler);
+        copyDialogKeyHandler = null;
+    }
+}
+
+function showCopyDialog(text, title) {
+    closeCopyDialog();
+
+    const overlay = document.createElement("div");
+    overlay.id = "copy-dialog-overlay";
+    overlay.className = "copy-dialog-overlay";
+    overlay.innerHTML = `
+        <div class="copy-dialog" role="dialog" aria-modal="true" aria-labelledby="copy-dialog-title">
+            <h4 id="copy-dialog-title">${title}</h4>
+            <p class="copy-dialog-hint">Der Text ist markiert. Jetzt <strong>Strg+C</strong> drücken (Mac: <strong>Cmd+C</strong>).</p>
+            <textarea class="copy-dialog-textarea" spellcheck="false"></textarea>
+            <div class="copy-dialog-actions">
+                <button type="button" class="btn-secondary" id="copy-dialog-select-btn">Alles markieren</button>
+                <button type="button" class="btn-secondary" id="copy-dialog-close-btn">Schließen</button>
+            </div>
+        </div>
+    `;
+    document.body.appendChild(overlay);
+
+    const textarea = overlay.querySelector(".copy-dialog-textarea");
+    textarea.value = text;
+    selectTextarea(textarea);
+
+    let copied = false;
+    try {
+        copied = document.execCommand("copy");
+    } catch (err) {
+        console.warn("execCommand copy in dialog failed.", err);
+    }
+
+    if (copied) {
+        setCopyStatus("HTML-Quelltext kopiert.");
+    } else {
+        setCopyStatus("Bitte im Fenster Strg+C drücken.", true);
+    }
+
+    overlay.querySelector("#copy-dialog-close-btn").addEventListener("click", closeCopyDialog);
+    overlay.querySelector("#copy-dialog-select-btn").addEventListener("click", () => selectTextarea(textarea));
+    overlay.addEventListener("click", (event) => {
+        if (event.target === overlay) closeCopyDialog();
+    });
+
+    copyDialogKeyHandler = (event) => {
+        if (event.key === "Escape") closeCopyDialog();
+    };
+    document.addEventListener("keydown", copyDialogKeyHandler);
+}
+
+function copyViaIframe(html) {
+    const iframe = document.createElement("iframe");
+    iframe.setAttribute("aria-hidden", "true");
+    iframe.style.cssText = "position:fixed;width:700px;height:500px;left:-9999px;top:0;border:none;";
+    document.body.appendChild(iframe);
+
+    const doc = iframe.contentWindow.document;
+    doc.open();
+    doc.write(html);
+    doc.close();
+
+    const range = doc.createRange();
+    range.selectNodeContents(doc.body);
+    const selection = iframe.contentWindow.getSelection();
+    selection.removeAllRanges();
+    selection.addRange(range);
+
+    let ok = false;
+    try {
+        ok = doc.execCommand("copy");
+    } catch (err) {
+        console.warn("execCommand copy via iframe failed.", err);
+    } finally {
+        selection.removeAllRanges();
+        document.body.removeChild(iframe);
+    }
+    return ok;
+}
+
 function copyHtmlWithFallback(html) {
+    if (copyViaIframe(html)) return true;
+
     const container = document.createElement("div");
     container.innerHTML = html;
     container.contentEditable = "true";
     container.setAttribute("aria-hidden", "true");
-    container.style.position = "fixed";
+    container.style.cssText =
-    container.style.left = "0";
+        "position:fixed;left:0;top:0;width:700px;max-height:1px;overflow:hidden;opacity:0;pointer-events:none;background:#FFFFFF;";
-    container.style.top = "0";
-    container.style.width = "600px";
-    container.style.height = "1px";
-    container.style.overflow = "hidden";
-    container.style.opacity = "0";
-    container.style.pointerEvents = "none";
-    container.style.background = "#FFFFFF";
     document.body.appendChild(container);
 
     const range = document.createRange();
@@ -146,36 +232,13 @@ function copyHtmlWithFallback(html) {
         ok = document.execCommand("copy");
     } catch (err) {
         console.warn("execCommand HTML copy failed.", err);
-        ok = false;
     } finally {
         selection.removeAllRanges();
         document.body.removeChild(container);
     }
-
-    if (!ok) {
-        ok = copyTextWithFallback(wrapCfHtml(html));
-    }
     return ok;
 }
 
-async function copyText(text) {
-    if (!text) return false;
-
-    if (copyTextWithFallback(text)) {
-        return true;
-    }
-
-    if (navigator.clipboard && window.isSecureContext) {
-        try {
-            await navigator.clipboard.writeText(text);
-            return true;
-        } catch (err) {
-            console.warn("Clipboard API text copy failed.", err);
-        }
-    }
-    return false;
-}
-
 async function copyForOutlook() {
     const html = getNewsletterOutlookHtml();
     const plain = getNewsletterPlain();
@@ -185,7 +248,7 @@ async function copyForOutlook() {
     }
 
     if (copyHtmlWithFallback(html)) {
-        setCopyStatus("Newsletter für Outlook kopiert. Mit Strg+V einfügen (ggf. „Format beibehalten“).");
+        setCopyStatus("Newsletter kopiert. In Outlook: Strg+V, dann ggf. Rechtsklick → „Format beibehalten“.");
         return;
     }
 
@@ -198,55 +261,24 @@ async function copyForOutlook() {
                     "text/plain": new Blob([plain], { type: "text/plain" }),
                 }),
             ]);
-            setCopyStatus("Newsletter für Outlook kopiert. Mit Strg+V einfügen (ggf. „Format beibehalten“).");
+            setCopyStatus("Newsletter kopiert. In Outlook: Strg+V, dann ggf. Rechtsklick → „Format beibehalten“.");
             return;
         } catch (err) {
             console.warn("Clipboard API HTML copy failed.", err);
         }
     }
 
-    setCopyStatus("Kopieren fehlgeschlagen. Bitte „HTML herunterladen“ verwenden.", true);
+    setCopyStatus("Bitte „Im Browser öffnen“ nutzen und dort Strg+A → Strg+C.", true);
 }
 
-async function copyHtmlSource() {
+function copyHtmlSource() {
     const html = getNewsletterHtml();
     if (!html) {
         setCopyStatus("Bitte zuerst einen Newsletter generieren.", true);
         return;
     }
 
-    const displayArea = document.getElementById("newsletter-html-display");
+    showCopyDialog(html, "HTML-Quelltext kopieren");
-    const sourceArea = document.getElementById("newsletter-html-source");
-    const textarea = displayArea?.value ? displayArea : sourceArea;
-
-    if (textarea && copyFromTextarea(textarea)) {
-        setCopyStatus("HTML-Quelltext kopiert.");
-        return;
-    }
-
-    if (copyTextWithFallback(html)) {
-        setCopyStatus("HTML-Quelltext kopiert.");
-        return;
-    }
-
-    if (navigator.clipboard && window.isSecureContext) {
-        try {
-            await navigator.clipboard.writeText(html);
-            setCopyStatus("HTML-Quelltext kopiert.");
-            return;
-        } catch (err) {
-            console.warn("Clipboard API HTML source copy failed.", err);
-        }
-    }
-
-    if (textarea) {
-        textarea.focus({ preventScroll: true });
-        textarea.select();
-    }
-    setCopyStatus(
-        "Automatisches Kopieren nicht möglich. HTML-Feld unten ist markiert – bitte Strg+C drücken.",
-        true
-    );
 }
 
 function downloadHtml() {
@@ -256,9 +288,23 @@ function downloadHtml() {
         return;
     }
 
-    const stamp = new Date().toISOString().slice(0, 10);
+    downloadFile(html, `wiki-newsletter-${new Date().toISOString().slice(0, 10)}.html`, "text/html;charset=utf-8");
-    const filename = `wiki-newsletter-${stamp}.html`;
+    setCopyStatus("Outlook-HTML heruntergeladen.");
-    const blob = new Blob([html], { type: "text/html;charset=utf-8" });
+}
+
+function downloadHtmlSource() {
+    const html = getNewsletterHtml();
+    if (!html) {
+        setCopyStatus("Bitte zuerst einen Newsletter generieren.", true);
+        return;
+    }
+
+    downloadFile(html, `wiki-newsletter-source-${new Date().toISOString().slice(0, 10)}.html`, "text/html;charset=utf-8");
+    setCopyStatus("HTML-Quelltext heruntergeladen.");
+}
+
+function downloadFile(content, filename, mimeType) {
+    const blob = new Blob([content], { type: mimeType });
     const url = URL.createObjectURL(blob);
     const link = document.createElement("a");
     link.href = url;
@@ -267,7 +313,26 @@ function downloadHtml() {
     link.click();
     document.body.removeChild(link);
     URL.revokeObjectURL(url);
-    setCopyStatus(`HTML gespeichert als ${filename}. Datei in Outlook öffnen oder Inhalt kopieren.`);
+}
+
+function openOutlookInBrowser() {
+    const html = getNewsletterOutlookHtml();
+    if (!html) {
+        setCopyStatus("Bitte zuerst einen Newsletter generieren.", true);
+        return;
+    }
+
+    const popup = window.open("", "_blank");
+    if (!popup) {
+        setCopyStatus("Pop-up blockiert. Bitte Pop-ups erlauben oder „HTML herunterladen“ nutzen.", true);
+        return;
+    }
+
+    popup.document.open();
+    popup.document.write(html);
+    popup.document.close();
+    popup.document.title = "Wiki-Newsletter – zum Kopieren";
+    setCopyStatus("Newsletter im Browser geöffnet: Strg+A → Strg+C, dann in Outlook einfügen.");
 }
 
 document.addEventListener("DOMContentLoaded", () => {
@@ -279,7 +344,14 @@ document.addEventListener("DOMContentLoaded", () => {
         frame.srcdoc = previewHtml;
     }
 
+    const htmlDisplay = document.getElementById("newsletter-html-display");
+    htmlDisplay?.addEventListener("focus", () => selectTextarea(htmlDisplay));
+    htmlDisplay?.addEventListener("click", () => selectTextarea(htmlDisplay));
+
     document.getElementById("copy-outlook-btn")?.addEventListener("click", copyForOutlook);
+    document.getElementById("open-outlook-btn")?.addEventListener("click", openOutlookInBrowser);
     document.getElementById("copy-html-source-btn")?.addEventListener("click", copyHtmlSource);
+    document.getElementById("copy-html-source-btn-2")?.addEventListener("click", copyHtmlSource);
     document.getElementById("download-html-btn")?.addEventListener("click", downloadHtml);
+    document.getElementById("download-html-source-btn")?.addEventListener("click", downloadHtmlSource);
 });

app/templates/base.html

@@ -3,22 +3,43 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>{{ title if title else "TK Wiki Newsletter Admin" }}</title>
+    <title>{% block title %}{{ title if title else "Wiki Newsletter Admin" }}{% endblock %} · Thomas-Krenn.AG</title>
-    <link rel="stylesheet" href="/static/css/main.css">
+    <link rel="stylesheet" href="/static/css/main.css?v=3">
 </head>
-<body>
+<body class="{% block body_class %}{% endblock %}">
 <header class="topbar">
-    <h1>TK Wiki Newsletter Admin</h1>
+    <div class="topbar-brand">
+        <div class="topbar-logo" aria-hidden="true">TK</div>
+        <div>
+            <h1>Wiki Newsletter Admin</h1>
+            <p class="topbar-sub">Thomas-Krenn.AG · Intern</p>
+        </div>
+    </div>
     {% if user %}
-    <form method="post" action="/logout">
+    <div class="topbar-actions">
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+        <nav class="topbar-nav" aria-label="Hauptnavigation">
-        <button type="submit">Logout</button>
+            <a href="/dashboard" class="{% if active_nav == 'dashboard' %}active{% endif %}">Dashboard</a>
-    </form>
+            {% if user.role == "admin" %}
+            <a href="/admin/users" class="{% if active_nav == 'users' %}active{% endif %}">Benutzer</a>
+            {% endif %}
+        </nav>
+        <div class="user-chip">
+            <span>{{ user.full_name }}</span>
+            <span class="badge badge-{{ user.role }}">{{ user.role }}</span>
+        </div>
+        <form method="post" action="/logout">
+            <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+            <button type="submit" class="btn-logout">Abmelden</button>
+        </form>
+    </div>
     {% endif %}
 </header>
 <main class="container">
     {% block content %}{% endblock %}
 </main>
+<footer class="site-footer">
+    Thomas-Krenn.AG · Interner Wiki-Newsletter · Nur für den internen Gebrauch
+</footer>
 {% block scripts %}{% endblock %}
 </body>
 </html>

app/templates/dashboard.html

@@ -1,199 +1,301 @@
 {% extends "base.html" %}
+{% block title %}Dashboard{% endblock %}
 {% block content %}
-<section class="card">
-    <h2>Newsletter erstellen</h2>
-    <form method="post" action="/dashboard" class="form-grid">
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        <label>Zeitraum (Tage)
-            <input type="number" name="days" min="1" max="90" value="{{ filters.days }}">
-        </label>
-        <label>Kategorie (optional)
-            <input type="text" name="category" value="{{ filters.category }}">
-        </label>
-        <label class="checkbox">
-            <input type="checkbox" name="only_edited" value="true" {% if filters.only_edited %}checked{% endif %}>
-            Nur bearbeitete Artikel (keine neu erstellten)
-        </label>
-        <fieldset class="display-options">
-            <legend>Anzeige im Output</legend>
-            <label class="checkbox">
-                <input type="checkbox" name="show_date" value="true" {% if filters.display.show_date %}checked{% endif %}>
-                Datum anzeigen
-            </label>
-            <label class="checkbox">
-                <input type="checkbox" name="show_user" value="true" {% if filters.display.show_user %}checked{% endif %}>
-                Benutzer anzeigen
-            </label>
-            <label class="checkbox">
-                <input type="checkbox" name="show_category" value="true" {% if filters.display.show_category %}checked{% endif %}>
-                Kategorie anzeigen
-            </label>
-        </fieldset>
-        {% if user.role in ["admin", "editor"] %}
-        <button type="submit">Newsletter generieren</button>
-        {% endif %}
-    </form>
-    {% if user.role == "admin" %}
-    <p><a href="/admin/users">Zur Benutzerverwaltung</a></p>
-    {% endif %}
-    {% if wiki_error %}
-    <p class="error">{{ wiki_error }}</p>
-    {% endif %}
-</section>
 
-{% if user.role in ["admin", "editor"] %}
+<div class="page-header">
-<section class="card">
+    <h2>Wiki Newsletter</h2>
-    <h3>Optionaler SMTP-Versand</h3>
+    <p class="page-lead">Wiki-Änderungen filtern, Newsletter generieren und für Outlook aufbereiten.</p>
-    <form method="post" action="/newsletter/send-now" class="form-grid">
+</div>
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        <input type="hidden" name="days" value="{{ filters.days }}">
-        <input type="hidden" name="category" value="{{ filters.category }}">
-        <input type="hidden" name="only_edited" value="{{ 'true' if filters.only_edited else 'false' }}">
-        <input type="hidden" name="show_date" value="{{ 'true' if filters.display.show_date else 'false' }}">
-        <input type="hidden" name="show_user" value="{{ 'true' if filters.display.show_user else 'false' }}">
-        <input type="hidden" name="show_category" value="{{ 'true' if filters.display.show_category else 'false' }}">
-        <button type="submit">Newsletter jetzt senden</button>
-    </form>
-</section>
-{% endif %}
 
-{% if user.role == "admin" %}
+<div class="stats-row">
-<section class="card">
+    <div class="stat-card accent-new">
-    <h3>SMTP-Konfiguration (optional)</h3>
+        <div class="stat-value">{{ articles_new|length }}</div>
-    <form method="post" action="/admin/smtp" class="form-grid">
+        <div class="stat-label">Neue Artikel</div>
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        <label class="checkbox">
-            <input type="checkbox" name="enabled" value="true" {% if smtp.enabled == "true" %}checked{% endif %}>
-            SMTP Versand aktivieren
-        </label>
-        <label>SMTP Host
-            <input type="text" name="host" value="{{ smtp.host }}">
-        </label>
-        <label>SMTP Port
-            <input type="number" name="port" value="{{ smtp.port }}">
-        </label>
-        <label>Benutzername
-            <input type="text" name="username" value="{{ smtp.username }}">
-        </label>
-        <label>Passwort
-            <input type="password" name="password" value="{{ smtp.password }}">
-        </label>
-        <label>Absender E-Mail
-            <input type="email" name="from_email" value="{{ smtp.from_email }}">
-        </label>
-        <label class="checkbox">
-            <input type="checkbox" name="use_tls" value="true" {% if smtp.use_tls == "true" %}checked{% endif %}>
-            STARTTLS verwenden
-        </label>
-        <label>Verteilerliste (Komma-separiert)
-            <textarea rows="3" name="recipients">{{ smtp.recipients }}</textarea>
-        </label>
-        <label>Geplanter täglicher Versand (HH:MM)
-            <input type="time" name="schedule_time" value="{{ smtp.schedule_time }}">
-        </label>
-        <button type="submit">SMTP Einstellungen speichern</button>
-    </form>
-</section>
-{% endif %}
-
-<section class="card">
-    <h3>Newsletter-Vorschau (mit Hyperlinks)</h3>
-    <p class="hint">Für Outlook „Für Outlook kopieren“ nutzen und mit <strong>Strg+V</strong> einfügen (Rechtsklick → „Format beibehalten“). Falls Kopieren nicht klappt (z. B. per HTTP/IP), „HTML herunterladen“ verwenden und die Datei in Outlook öffnen.</p>
-    <div class="copy-actions">
-        <button type="button" id="copy-outlook-btn" class="btn-secondary">Für Outlook kopieren</button>
-        <button type="button" id="copy-html-source-btn" class="btn-secondary">HTML-Quelltext kopieren</button>
-        <button type="button" id="download-html-btn" class="btn-secondary">HTML herunterladen</button>
-        <span id="copy-status" class="copy-status" aria-live="polite"></span>
     </div>
-    <iframe id="newsletter-preview-frame" class="newsletter-preview-frame" title="Newsletter Vorschau"></iframe>
+    <div class="stat-card accent-edit">
-    <textarea id="newsletter-html-source" class="hidden-source" hidden readonly>{{ raw_html }}</textarea>
+        <div class="stat-value">{{ articles_edited|length }}</div>
-    <textarea id="newsletter-outlook-source" class="hidden-source" hidden readonly>{{ outlook_html }}</textarea>
+        <div class="stat-label">Bearbeitete Artikel</div>
-    <textarea id="newsletter-plain-source" class="hidden-source" hidden readonly>{{ plain_text }}</textarea>
+    </div>
-</section>
+    <div class="stat-card accent-total">
+        <div class="stat-value">{{ articles_new|length + articles_edited|length }}</div>
+        <div class="stat-label">Gesamt</div>
+    </div>
+</div>
 
-<section class="card">
+<div class="layout-2col">
-    <h3>Output: Nur-Text (Fallback)</h3>
+    <div class="main-col">
-    <p class="hint">Enthält URLs als Text. Für klickbare Links bitte die Vorschau bzw. „Für Outlook kopieren“ verwenden.</p>
-    <textarea rows="16" readonly>{{ plain_text }}</textarea>
-</section>
 
-<section class="card">
+        <section class="card card-accent-orange">
-    <h3>Output: HTML-Quelltext</h3>
+            <div class="card-header">
-    <p class="hint">Bei Problemen mit „Kopieren“: Textfeld markieren (Strg+A) und manuell kopieren (Strg+C).</p>
+                <div>
-    <textarea id="newsletter-html-display" rows="12" readonly>{{ raw_html }}</textarea>
+                    <h3>Newsletter erstellen</h3>
-</section>
+                    <p class="card-desc">Zeitraum und Filter wählen, dann generieren.</p>
+                </div>
+            </div>
+            <form method="post" action="/dashboard" class="form-grid">
+                <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+                <div class="form-row">
+                    <label>Zeitraum (Tage)
+                        <input type="number" name="days" min="1" max="90" value="{{ filters.days }}">
+                    </label>
+                    <label>Kategorie (optional)
+                        <input type="text" name="category" value="{{ filters.category }}" placeholder="z. B. Linux">
+                    </label>
+                </div>
+                <label class="checkbox">
+                    <input type="checkbox" name="only_edited" value="true" {% if filters.only_edited %}checked{% endif %}>
+                    Nur bearbeitete Artikel (keine neu erstellten)
+                </label>
+                <fieldset class="display-options">
+                    <legend>Anzeige im Newsletter</legend>
+                    <label class="checkbox">
+                        <input type="checkbox" name="show_date" value="true" {% if filters.display.show_date %}checked{% endif %}>
+                        Datum anzeigen
+                    </label>
+                    <label class="checkbox">
+                        <input type="checkbox" name="show_user" value="true" {% if filters.display.show_user %}checked{% endif %}>
+                        Benutzer anzeigen
+                    </label>
+                    <label class="checkbox">
+                        <input type="checkbox" name="show_category" value="true" {% if filters.display.show_category %}checked{% endif %}>
+                        Kategorie anzeigen
+                    </label>
+                </fieldset>
+                {% if wiki_error %}
+                <p class="error">{{ wiki_error }}</p>
+                {% endif %}
+                {% if user.role in ["admin", "editor"] %}
+                <button type="submit" class="btn-primary">Newsletter generieren</button>
+                {% else %}
+                <p class="hint">Sie haben Leserechte. Bitte einen Editor oder Admin bitten, den Newsletter zu generieren.</p>
+                {% endif %}
+            </form>
+        </section>
 
-<section class="card">
+        <section class="card card-accent-orange">
-    <h3>Neue Artikel ({{ articles_new|length }})</h3>
+            <div class="card-header">
-    <table>
+                <div>
-        <thead>
+                    <h3>Vorschau &amp; Export</h3>
-            <tr>
+                    <p class="card-desc">Formatierten Newsletter ansehen und für Outlook kopieren.</p>
-                <th>Titel</th>
+                </div>
-                {% if filters.display.show_date %}<th>Zeit</th>{% endif %}
+            </div>
-                {% if filters.display.show_user %}<th>Benutzer</th>{% endif %}
+            <p class="hint"><strong>Empfohlen:</strong> „Im Browser öffnen“ → <strong>Strg+A</strong>, <strong>Strg+C</strong> → in Outlook <strong>Strg+V</strong>.</p>
-                {% if filters.display.show_category %}<th>Kategorien</th>{% endif %}
+            <div class="copy-actions">
-            </tr>
+                <button type="button" id="open-outlook-btn" class="btn-primary">Im Browser öffnen</button>
-        </thead>
+                <button type="button" id="copy-outlook-btn" class="btn-secondary">Für Outlook kopieren</button>
-        <tbody>
+                <button type="button" id="download-html-btn" class="btn-secondary">HTML herunterladen</button>
-        {% for item in articles_new %}
+                <button type="button" id="copy-html-source-btn" class="btn-outline">HTML-Quelltext</button>
-            <tr>
+                <span id="copy-status" class="copy-status" aria-live="polite"></span>
-                <td><a href="{{ wiki_article_url(item.title) }}" target="_blank" rel="noopener">{{ item.title }}</a></td>
+            </div>
-                {% if filters.display.show_date %}<td>{{ item.timestamp }}</td>{% endif %}
+            <iframe id="newsletter-preview-frame" class="newsletter-preview-frame" title="Newsletter Vorschau"></iframe>
-                {% if filters.display.show_user %}<td>{{ item.user }}</td>{% endif %}
+            <textarea id="newsletter-html-source" class="hidden-source" hidden readonly>{{ raw_html }}</textarea>
-                {% if filters.display.show_category %}<td>{{ item.categories|join(", ") }}</td>{% endif %}
+            <textarea id="newsletter-outlook-source" class="hidden-source" hidden readonly>{{ outlook_html }}</textarea>
-            </tr>
+            <textarea id="newsletter-plain-source" class="hidden-source" hidden readonly>{{ plain_text }}</textarea>
-        {% else %}
+        </section>
-            <tr><td colspan="4">Keine neuen Artikel im gewählten Zeitraum.</td></tr>
-        {% endfor %}
-        </tbody>
-    </table>
-</section>
 
-<section class="card">
+        <section class="card card-accent-gray">
-    <h3>Bearbeitete Artikel ({{ articles_edited|length }})</h3>
+            <div class="card-header">
-    <table>
+                <h3>Neue Artikel <span class="count-badge orange">{{ articles_new|length }}</span></h3>
-        <thead>
+            </div>
-            <tr>
+            <div class="table-wrap">
-                <th>Titel</th>
+                <table>
-                {% if filters.display.show_date %}<th>Zeit</th>{% endif %}
+                    <thead>
-                {% if filters.display.show_user %}<th>Benutzer</th>{% endif %}
+                        <tr>
-                {% if filters.display.show_category %}<th>Kategorien</th>{% endif %}
+                            <th>Titel</th>
-            </tr>
+                            {% if filters.display.show_date %}<th>Zeit</th>{% endif %}
-        </thead>
+                            {% if filters.display.show_user %}<th>Benutzer</th>{% endif %}
-        <tbody>
+                            {% if filters.display.show_category %}<th>Kategorien</th>{% endif %}
-        {% for item in articles_edited %}
+                        </tr>
-            <tr>
+                    </thead>
-                <td><a href="{{ wiki_article_url(item.title) }}" target="_blank" rel="noopener">{{ item.title }}</a></td>
+                    <tbody>
-                {% if filters.display.show_date %}<td>{{ item.timestamp }}</td>{% endif %}
+                    {% for item in articles_new %}
-                {% if filters.display.show_user %}<td>{{ item.user }}</td>{% endif %}
+                        <tr>
-                {% if filters.display.show_category %}<td>{{ item.categories|join(", ") }}</td>{% endif %}
+                            <td><a href="{{ wiki_article_url(item.title) }}" target="_blank" rel="noopener">{{ item.title }}</a></td>
-            </tr>
+                            {% if filters.display.show_date %}<td>{{ item.timestamp }}</td>{% endif %}
-        {% else %}
+                            {% if filters.display.show_user %}<td>{{ item.user }}</td>{% endif %}
-            <tr><td colspan="4">Keine bearbeiteten Artikel im gewählten Zeitraum.</td></tr>
+                            {% if filters.display.show_category %}<td>{{ item.categories|join(", ") }}</td>{% endif %}
-        {% endfor %}
+                        </tr>
-        </tbody>
+                    {% else %}
-    </table>
+                        <tr class="empty-row"><td colspan="4">Keine neuen Artikel im gewählten Zeitraum.</td></tr>
-</section>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        </section>
+
+        <section class="card card-accent-gray">
+            <div class="card-header">
+                <h3>Bearbeitete Artikel <span class="count-badge">{{ articles_edited|length }}</span></h3>
+            </div>
+            <div class="table-wrap">
+                <table>
+                    <thead>
+                        <tr>
+                            <th>Titel</th>
+                            {% if filters.display.show_date %}<th>Zeit</th>{% endif %}
+                            {% if filters.display.show_user %}<th>Benutzer</th>{% endif %}
+                            {% if filters.display.show_category %}<th>Kategorien</th>{% endif %}
+                        </tr>
+                    </thead>
+                    <tbody>
+                    {% for item in articles_edited %}
+                        <tr>
+                            <td><a href="{{ wiki_article_url(item.title) }}" target="_blank" rel="noopener">{{ item.title }}</a></td>
+                            {% if filters.display.show_date %}<td>{{ item.timestamp }}</td>{% endif %}
+                            {% if filters.display.show_user %}<td>{{ item.user }}</td>{% endif %}
+                            {% if filters.display.show_category %}<td>{{ item.categories|join(", ") }}</td>{% endif %}
+                        </tr>
+                    {% else %}
+                        <tr class="empty-row"><td colspan="4">Keine bearbeiteten Artikel im gewählten Zeitraum.</td></tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        </section>
+
+        <details class="card-details">
+            <summary>Weitere Ausgabeformate</summary>
+            <div class="details-body">
+                <h4 style="margin:1rem 0 0.5rem;font-size:0.95rem;">Nur-Text (Fallback)</h4>
+                <p class="hint">URLs als Klartext – für klickbare Links die Vorschau nutzen.</p>
+                <textarea class="readonly-output" rows="10" readonly>{{ plain_text }}</textarea>
+
+                <h4 style="margin:1.25rem 0 0.5rem;font-size:0.95rem;">HTML-Quelltext</h4>
+                <p class="hint">Öffnet ein Fenster mit markiertem Text – dort <strong>Strg+C</strong> drücken.</p>
+                <div class="textarea-actions">
+                    <button type="button" id="copy-html-source-btn-2" class="btn-secondary">HTML-Quelltext kopieren</button>
+                    <button type="button" id="download-html-source-btn" class="btn-outline">Herunterladen</button>
+                </div>
+                <textarea id="newsletter-html-display" class="readonly-output" rows="8" readonly>{{ raw_html }}</textarea>
+            </div>
+        </details>
+
+        {% if user.role in ["admin", "editor"] %}
+        <details class="card-details">
+            <summary>SMTP-Versand</summary>
+            <div class="details-body">
+                <p class="hint">Newsletter direkt per E-Mail versenden (aktuell gewählte Filter).</p>
+                <form method="post" action="/newsletter/send-now">
+                    <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+                    <input type="hidden" name="days" value="{{ filters.days }}">
+                    <input type="hidden" name="category" value="{{ filters.category }}">
+                    <input type="hidden" name="only_edited" value="{{ 'true' if filters.only_edited else 'false' }}">
+                    <input type="hidden" name="show_date" value="{{ 'true' if filters.display.show_date else 'false' }}">
+                    <input type="hidden" name="show_user" value="{{ 'true' if filters.display.show_user else 'false' }}">
+                    <input type="hidden" name="show_category" value="{{ 'true' if filters.display.show_category else 'false' }}">
+                    <button type="submit" class="btn-secondary">Newsletter jetzt senden</button>
+                </form>
+            </div>
+        </details>
+        {% endif %}
+
+        {% if user.role == "admin" %}
+        <details class="card-details">
+            <summary>SMTP-Konfiguration</summary>
+            <div class="details-body">
+                <form method="post" action="/admin/smtp" class="form-grid">
+                    <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+                    <label class="checkbox">
+                        <input type="checkbox" name="enabled" value="true" {% if smtp.enabled == "true" %}checked{% endif %}>
+                        SMTP-Versand aktivieren
+                    </label>
+                    <div class="form-row">
+                        <label>SMTP-Host
+                            <input type="text" name="host" value="{{ smtp.host }}" placeholder="mail.example.com">
+                        </label>
+                        <label>SMTP-Port
+                            <input type="number" name="port" value="{{ smtp.port }}">
+                        </label>
+                    </div>
+                    <div class="form-row">
+                        <label>Benutzername
+                            <input type="text" name="username" value="{{ smtp.username }}">
+                        </label>
+                        <label>Passwort
+                            <input type="password" name="password" value="{{ smtp.password }}">
+                        </label>
+                    </div>
+                    <label>Absender E-Mail
+                        <input type="email" name="from_email" value="{{ smtp.from_email }}">
+                    </label>
+                    <label class="checkbox">
+                        <input type="checkbox" name="use_tls" value="true" {% if smtp.use_tls == "true" %}checked{% endif %}>
+                        STARTTLS verwenden
+                    </label>
+                    <label>Verteilerliste (kommagetrennt)
+                        <textarea rows="3" name="recipients" placeholder="kollege@firma.de, team@firma.de">{{ smtp.recipients }}</textarea>
+                    </label>
+                    <label>Geplanter täglicher Versand (HH:MM)
+                        <input type="time" name="schedule_time" value="{{ smtp.schedule_time }}">
+                    </label>
+                    <button type="submit">Einstellungen speichern</button>
+                </form>
+            </div>
+        </details>
+        {% endif %}
+
+        <section class="card">
+            <div class="card-header">
+                <h3>Versandprotokoll</h3>
+                <span class="hint" style="margin:0;">Letzte 20 Einträge</span>
+            </div>
+            <div class="table-wrap">
+                <table>
+                    <thead>
+                        <tr><th>Zeit</th><th>Status</th><th>Betreff</th><th>Empfänger</th><th>Details</th></tr>
+                    </thead>
+                    <tbody>
+                    {% for log in send_logs %}
+                        <tr>
+                            <td>{{ log.created_at }}</td>
+                            <td><span class="badge badge-{{ log.status }}">{{ log.status }}</span></td>
+                            <td>{{ log.subject }}</td>
+                            <td>{{ log.recipients }}</td>
+                            <td>{{ log.detail }}</td>
+                        </tr>
+                    {% else %}
+                        <tr class="empty-row"><td colspan="5">Noch keine Versände protokolliert.</td></tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        </section>
+
+    </div>
+
+    <aside class="sidebar-col">
+        <div class="sidebar-card">
+            <h4>Workflow</h4>
+            <ol style="margin:0;padding-left:1.1rem;color:var(--tk-gray);">
+                <li>Filter setzen</li>
+                <li>Newsletter generieren</li>
+                <li>Vorschau prüfen</li>
+                <li>Für Outlook exportieren</li>
+            </ol>
+        </div>
+        <div class="sidebar-card">
+            <h4>Outlook-Tipp</h4>
+            <ul>
+                <li>„Im Browser öffnen“ nutzen</li>
+                <li>Alles markieren (Strg+A)</li>
+                <li>Kopieren (Strg+C)</li>
+                <li>In Outlook einfügen</li>
+            </ul>
+        </div>
+        {% if user.role == "admin" %}
+        <div class="sidebar-card">
+            <h4>Administration</h4>
+            <ul>
+                <li><a href="/admin/users">Benutzerverwaltung</a></li>
+                <li>SMTP unter „SMTP-Konfiguration“</li>
+            </ul>
+        </div>
+        {% endif %}
+    </aside>
+</div>
 
-<section class="card">
-    <h3>Versandprotokoll (letzte 20)</h3>
-    <table>
-        <thead><tr><th>Zeit</th><th>Status</th><th>Betreff</th><th>Empfänger</th><th>Details</th></tr></thead>
-        <tbody>
-        {% for log in send_logs %}
-            <tr>
-                <td>{{ log.created_at }}</td>
-                <td>{{ log.status }}</td>
-                <td>{{ log.subject }}</td>
-                <td>{{ log.recipients }}</td>
-                <td>{{ log.detail }}</td>
-            </tr>
-        {% endfor %}
-        </tbody>
-    </table>
-</section>
 {% endblock %}
 
 {% block scripts %}
-<script src="/static/js/newsletter.js"></script>
+<script src="/static/js/newsletter.js?v=6"></script>
 {% endblock %}

app/templates/login.html

@@ -1,19 +1,22 @@
 {% extends "base.html" %}
+{% block title %}Anmelden{% endblock %}
+{% block body_class %}login-page{% endblock %}
 {% block content %}
-<section class="card narrow">
+<section class="card login-card">
-    <h2>Login</h2>
+    <h2>Anmelden</h2>
+    <p class="login-subtitle">Thomas-Krenn Wiki Newsletter Admin</p>
     {% if error_message %}
     <p class="error">{{ error_message }}</p>
     {% endif %}
     <form method="post" action="/login" class="form-grid">
         <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
         <label>E-Mail
-            <input type="email" name="email" required>
+            <input type="email" name="email" required autocomplete="username" placeholder="name@firma.de">
         </label>
         <label>Passwort
-            <input type="password" name="password" required>
+            <input type="password" name="password" required autocomplete="current-password">
         </label>
-        <button type="submit">Anmelden</button>
+        <button type="submit" class="btn-primary btn-block">Anmelden</button>
     </form>
 </section>
 {% endblock %}

app/templates/users.html

@@ -1,43 +1,78 @@
 {% extends "base.html" %}
+{% block title %}Benutzerverwaltung{% endblock %}
 {% block content %}
-<section class="card">
-    <h2>Benutzerverwaltung</h2>
-    <form method="post" action="/admin/users" class="form-grid">
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        <label>E-Mail
-            <input type="email" name="email" required>
-        </label>
-        <label>Vollständiger Name
-            <input type="text" name="full_name" required>
-        </label>
-        <label>Passwort
-            <input type="password" name="password" required minlength="10">
-        </label>
-        <label>Rolle
-            <select name="role">
-                <option value="reader">Reader</option>
-                <option value="editor">Editor</option>
-                <option value="admin">Admin</option>
-            </select>
-        </label>
-        <button type="submit">Benutzer erstellen</button>
-    </form>
-</section>
 
-<section class="card">
+<div class="page-header">
-    <h3>Bestehende Benutzer</h3>
+    <h2>Benutzerverwaltung</h2>
-    <table>
+    <p class="page-lead"><a href="/dashboard">← Zurück zum Dashboard</a></p>
-        <thead><tr><th>E-Mail</th><th>Name</th><th>Rolle</th><th>Aktiv</th></tr></thead>
+</div>
-        <tbody>
+
-        {% for u in users %}
+<div class="layout-2col">
-            <tr>
+    <div class="main-col">
-                <td>{{ u.email }}</td>
+        <section class="card card-accent-orange">
-                <td>{{ u.full_name }}</td>
+            <div class="card-header">
-                <td>{{ u.role }}</td>
+                <h3>Neuen Benutzer anlegen</h3>
-                <td>{{ "Ja" if u.is_active else "Nein" }}</td>
+            </div>
-            </tr>
+            <form method="post" action="/admin/users" class="form-grid">
-        {% endfor %}
+                <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        </tbody>
+                <div class="form-row">
-    </table>
+                    <label>E-Mail
-</section>
+                        <input type="email" name="email" required placeholder="name@firma.de">
+                    </label>
+                    <label>Vollständiger Name
+                        <input type="text" name="full_name" required>
+                    </label>
+                </div>
+                <div class="form-row">
+                    <label>Passwort
+                        <input type="password" name="password" required minlength="10">
+                    </label>
+                    <label>Rolle
+                        <select name="role">
+                            <option value="reader">Leser (nur ansehen)</option>
+                            <option value="editor">Editor (generieren &amp; senden)</option>
+                            <option value="admin">Admin (voller Zugriff)</option>
+                        </select>
+                    </label>
+                </div>
+                <button type="submit" class="btn-primary">Benutzer erstellen</button>
+            </form>
+        </section>
+
+        <section class="card">
+            <div class="card-header">
+                <h3>Bestehende Benutzer <span class="count-badge">{{ users|length }}</span></h3>
+            </div>
+            <div class="table-wrap">
+                <table>
+                    <thead>
+                        <tr><th>E-Mail</th><th>Name</th><th>Rolle</th><th>Status</th></tr>
+                    </thead>
+                    <tbody>
+                    {% for u in users %}
+                        <tr>
+                            <td>{{ u.email }}</td>
+                            <td>{{ u.full_name }}</td>
+                            <td><span class="badge badge-{{ u.role }}">{{ u.role }}</span></td>
+                            <td>{{ "Aktiv" if u.is_active else "Inaktiv" }}</td>
+                        </tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        </section>
+    </div>
+
+    <aside class="sidebar-col">
+        <div class="sidebar-card">
+            <h4>Rollen</h4>
+            <ul>
+                <li><strong>Leser</strong> – Newsletter ansehen</li>
+                <li><strong>Editor</strong> – Generieren &amp; senden</li>
+                <li><strong>Admin</strong> – Benutzer &amp; SMTP</li>
+            </ul>
+        </div>
+    </aside>
+</div>
+
 {% endblock %}