remove: login card style dropdown and subtitle setting, glass effect now always active

docs/admin-guide.md

@@ -235,9 +235,7 @@ Navigate to **Admin Settings** (owner only) to configure:
 
 ### Login Page Customization
 
-- **Background Image** — Upload a custom background image for the login page (max 5 MB, JPEG/PNG/WebP). The image is centered and fills the screen without distortion (`background-size: cover`). The text color (heading, subtitle, footer) is automatically adjusted based on the image brightness — light text for dark images, dark text for bright images.
+- **Background Image** — Upload a custom background image for the login page (max 5 MB, JPEG/PNG/WebP). The image is centered and fills the screen without distortion (`background-size: cover`). The text color (heading, subtitle, footer) is automatically adjusted based on the image brightness — light text for dark images, dark text for bright images. The login card always uses a glass effect (transparent, blurred backdrop).
-- **Card Style** — Choose between **Default** (solid card) and **Glass** (transparent, blurred backdrop).
-- **Subtitle** — Custom text shown below the application name on the login page. Leave empty for the default subtitle.
 
 ### Application Settings
 

docs/environment-variables.md

@@ -120,6 +120,4 @@ In addition to environment variables, the following settings are configured thro
 | `lockout_attempts` | `5` | Failed login attempts before lockout (0 = disabled) |
 | `lockout_duration` | `15` | Lockout duration in minutes |
 | `mfa_required` | `false` | Enforce MFA for all users |
-| `login_card_style` | `default` | Login card style: `default` or `glass` |
 | `login_text_color` | `light` | Login text color over background image: `light` or `dark` (auto-detected on upload) |
-| `login_subtitle` | _(empty)_ | Custom subtitle on the login page |

internal/handlers/handlers.go

@@ -340,13 +340,6 @@ func (h *Handler) loadTemplates(templateFS embed.FS) {
 			}
 			return ""
 		},
-		"loginCardStyle": func() string {
-			style, _ := h.auth.GetSetting("login_card_style")
-			if style == "" {
-				return "default"
-			}
-			return style
-		},
 		"loginTextColor": func() string {
 			c, _ := h.auth.GetSetting("login_text_color")
 			if c == "" {
@@ -354,10 +347,6 @@ func (h *Handler) loadTemplates(templateFS embed.FS) {
 			}
 			return c
 		},
-		"loginSubtitle": func() string {
-			subtitle, _ := h.auth.GetSetting("login_subtitle")
-			return subtitle
-		},
 		// formatTime converts a time.Time to the app timezone and formats as "2006-01-02 15:04"
 		"formatTime": func(v interface{}) string {
 			switch t := v.(type) {
@@ -3364,26 +3353,6 @@ func (h *Handler) handleAdminSettings(w http.ResponseWriter, r *http.Request) {
 	logging.Info("Admin settings POST: form_type=%s from user_id=%d", formType, userID)
 
 	switch formType {
-	case "branding_settings":
-		batch := make(map[string]string)
-		cardStyle := r.FormValue("login_card_style")
-		if cardStyle == "glass" || cardStyle == "default" {
-			batch["login_card_style"] = cardStyle
-			changed = append(changed, "login_card_style="+cardStyle)
-		}
-		subtitle := r.FormValue("login_subtitle")
-		batch["login_subtitle"] = subtitle
-		if subtitle != "" {
-			changed = append(changed, "login_subtitle="+subtitle)
-		}
-		if err := h.auth.SetSettingsBatch(batch); err != nil {
-			logging.Error("Failed to save branding settings: %v", err)
-			http.Redirect(w, r, "/admin/settings?flash_type=danger&flash_msg="+url.QueryEscape("Failed to save branding settings: "+err.Error()), http.StatusSeeOther)
-			return
-		}
-		if len(changed) > 0 {
-			h.audit.Log(userID, audit.ActionBrandingChanged, fmt.Sprintf("Branding settings updated: %s", strings.Join(changed, ", ")), clientIP(r))
-		}
 	case "security_settings":
 		// Collect all settings to save
 		batch := make(map[string]string)

web/templates/admin_settings.html

@@ -40,37 +40,6 @@
             </div>
           </div>
         </form>
-
-        <hr class="my-4">
-
-        <!-- Login Theme Settings -->
-        <h4 class="mb-3"><i class="ti ti-brush"></i> Login Theme</h4>
-        <form action="/admin/settings" method="post">
-          <input type="hidden" name="form_type" value="branding_settings">
-          <div class="row">
-            <div class="col-md-3 mb-3">
-              <label class="form-label">Card Style</label>
-              <select name="login_card_style" class="form-select">
-                <option value="default" {{if eq (loginCardStyle) "default"}}selected{{end}}>Default (Solid)</option>
-                <option value="glass" {{if eq (loginCardStyle) "glass"}}selected{{end}}>Glass (Transparent)</option>
-              </select>
-              <small class="form-hint">Visual style of the login form.</small>
-            </div>
-          </div>
-          <div class="row">
-            <div class="col-md-8 mb-3">
-              <label class="form-label">Subtitle</label>
-              <input type="text" name="login_subtitle" class="form-control"
-                     value="{{loginSubtitle}}" placeholder="Centralized SSH Key Management and Deployment">
-              <small class="form-hint">Text shown below the application name on the login page. Leave empty for default.</small>
-            </div>
-          </div>
-          <div class="form-footer">
-            <button type="submit" class="btn btn-primary">
-              <i class="ti ti-device-floppy"></i> Save Login Theme
-            </button>
-          </div>
-        </form>
       </div>
     </div>
   </div>

web/templates/login.html

@@ -55,8 +55,7 @@
       .login-footer.text-secondary a.text-secondary { color: rgba(255,255,255,0.90) !important; }
       {{end}}
       {{end}}
-      {{if eq (loginCardStyle) "glass"}}
+      /* Glass card effect (always active) */
-      /* Glass card effect */
       .card {
         background: rgba(255, 255, 255, 0.15) !important;
         backdrop-filter: blur(16px) saturate(180%);
@@ -72,7 +71,6 @@
       .card .form-control { background: rgba(255,255,255,0.55); }
       [data-bs-theme="dark"] .card .form-control { background: rgba(0,0,0,0.3); }
       .card .form-label, .card .h2, .card h2 { text-shadow: none; }
-      {{end}}
     </style>
     <!-- Tabler CSS (self-hosted to prevent FOUC) -->
     <link rel="stylesheet" href="/static/css/tabler.min.css">
@@ -83,7 +81,7 @@
       <div class="container container-tight py-4">
         <div class="text-center mb-4">
           <h1 class="login-heading"><i class="ti ti-key"></i> {{appName}}</h1>
-          <p class="text-secondary login-subtitle">{{if loginSubtitle}}{{loginSubtitle}}{{else}}Centralized SSH Key Management and Deployment{{end}}</p>
+          <p class="text-secondary login-subtitle">Centralized SSH Key Management and Deployment</p>
         </div>
         <div class="card card-md">
           <div class="card-body">